[lacnog] Fwd: Weekly Routing Table Report

Tomas Lynch tomas.lynch en gmail.com
Dom Abr 24 17:39:36 BRT 2016


On Thu, Apr 21, 2016 at 8:20 PM, Nicolas Cortes <
julionicolascortes en gmail.com> wrote:

> Buenas,
>
> Interesante reporte semanal el que envía APNIC a todos los NOGs regionales
> (menos LACNOG) sobre la cantidad de prefijos, ASNs y factor de
> desagregación, tanto de cada RIR como global.
>
> Algo que me llamó la atención y preocupante es que nuestra región
> justamente tiene el factor de desagregación mas alto de todos los RIRs,
> método desaconsejado en BCPs y usado mayormente para balancear carga como
> ingeniería de tráfico.
>
Recuerdo cuando el problema de la desagregación estaba atado directamente a
un tema de procesamiento, memoria y que algunos equipos de Cisco no
soportaba más de 512,000 entradas en su TCAM [1].

Hoy la tabla de BGP supera este número. ¿Qué pasa hoy entonces si
desagrego? ¿Sigue habiendo límites debajo de la cantidad máxima de muchos
equipos (alrededor de 4 millones de entradas según marketing) por
procesamiento, etc.? Supondríamos que no.

¿Qué demuestra entonces la agregación de rutas si no existen límites
físicos? ¿Para qué agregar las rutas? Creo que tiene a favor los siguientes
puntos:

1) Control de la red
2) Consideración con nuestros peers
3) Consolidación de políticas de peering
4) Evitar problemas de propagación por filtros por máxima cantidad de
prefijos
5) Demostrar que la salud de nuestra red nos preocupa

¿Qué punto existen a favor de la desagregación? Alguna vez defendí algunos
por cuestiones geográficas y eran muy específicos (i.e. un /24 dentro de un
/16). ¿Cuáles otros habría o es simplemente poco interés por nuestras redes?

Tomás Lynch

 [1] http://www.bgpmon.net/what-caused-todays-internet-hiccup/

> Sólo se reportan prefijos IPv4. Creo que habla significativamente de
> cuánta importancia le seguimos dando a v4 y el bajo grado de adopción de v6
> en todas las regiones en general.
>
> Ojalá sea de interés de todos!
> Salu2, Nicolás./~
>
> ------------------------------------------------------
> LACNIC Region Analysis Summary
> ------------------------------------------------------
>
> Prefixes being announced by LACNIC Region ASes:                   62059
>     Total LACNIC prefixes after maximum aggregation:              12263
>     LACNIC Deaggregation factor:                                   5.06
> Prefixes being announced from the LACNIC address blocks:          76192
>     Unique aggregates announced from the LACNIC address blocks:   35932
> LACNIC Region origin ASes present in the Internet Routing Table:   2472
>     LACNIC Prefixes per ASN:                                      30.82
> LACNIC Region origin ASes announcing only one prefix:               582
> LACNIC Region transit ASes present in the Internet Routing Table:   557
> Average LACNIC Region AS path length visible:                       4.8
>     Max LACNIC Region AS path length visible:                        22
> Number of LACNIC region 32-bit ASNs visible in the Routing Table:  2409
> Number of LACNIC addresses announced to Internet:             170805824
>     Equivalent to 10 /8s, 46 /16s and 74 /24s
>     Percentage of available LACNIC address space announced:       101.8
>
> LACNIC AS Blocks       26592-26623, 27648-28671, 52224-53247,
>                        61440-61951, 64099-64197, 262144-265628 + ERX
> transfers
> LACNIC Address Blocks  177/8, 179/8, 181/8, 186/8, 187/8, 189/8, 190/8,
>                        191/8, 200/8, 201/8,
> ---------- Forwarded message ----------
> From: "Routing Analysis Role Account" <cscora en apnic.net>
> Date: Apr 15, 2016 3:13 PM
> Subject: Weekly Routing Table Report
> To: <apops en apops.net>, <nanog en nanog.org>, <routing-wg en ripe.net>, <
> afnog en afnog.org>, <sanog en sanog.org>, <pacnog en pacnog.org>, <
> safnog en safnog.org>
> Cc:
>
> This is an automated weekly mailing describing the state of the Internet
>> Routing Table as seen from APNIC's router in Japan.
>>
>> The posting is sent to APOPS, NANOG, AfNOG, AusNOG, SANOG, PacNOG,
>> SAFNOG, PaNOG, SdNOG, BJNOG, CaribNOG and the RIPE Routing WG.
>>
>> Daily listings are sent to bgp-stats en lists.apnic.net
>>
>> For historical data, please see http://thyme.rand.apnic.net.
>>
>> If you have any comments please contact Philip Smith <pfsinoz en gmail.com>.
>>
>> Routing Table Report   04:00 +10GMT Sat 16 Apr, 2016
>>
>> Report Website:     http://thyme.rand.apnic.net
>> Detailed Analysis:  http://thyme.rand.apnic.net/current/
>>
>> Analysis Summary
>> ----------------
>>
>> BGP routing table entries examined:                              590122
>>     Prefixes after maximum aggregation (per Origin AS):          217231
>>     Deaggregation factor:                                          2.72
>>     Unique aggregates announced (without unneeded subnets):      288719
>> Total ASes present in the Internet Routing Table:                 53427
>>     Prefixes per ASN:                                             11.05
>> Origin-only ASes present in the Internet Routing Table:           36609
>> Origin ASes announcing only one prefix:                           15715
>> Transit ASes present in the Internet Routing Table:                6422
>> Transit-only ASes present in the Internet Routing Table:            169
>> Average AS path length visible in the Internet Routing Table:       4.3
>>     Max AS path length visible:                                      41
>>     Max AS path prepend of ASN ( 55644)                              36
>> Prefixes from unregistered ASNs in the Routing Table:               966
>>     Unregistered ASNs in the Routing Table:                         358
>> Number of 32-bit ASNs allocated by the RIRs:                      13487
>> Number of 32-bit ASNs visible in the Routing Table:               10396
>> Prefixes from 32-bit ASNs in the Routing Table:                   40624
>> Number of bogon 32-bit ASNs visible in the Routing Table:            13
>> Special use prefixes present in the Routing Table:                    0
>> Prefixes being announced from unallocated address space:            388
>> Number of addresses announced to Internet:                   2807919940
>>     Equivalent to 167 /8s, 93 /16s and 117 /24s
>>     Percentage of available address space announced:               75.8
>>     Percentage of allocated address space announced:               75.8
>>     Percentage of available address space allocated:              100.0
>>     Percentage of address space in use by end-sites:               98.1
>> Total number of prefixes smaller than registry allocations:      193326
>>
>> APNIC Region Analysis Summary
>> -----------------------------
>>
>> Prefixes being announced by APNIC Region ASes:                   150247
>>     Total APNIC prefixes after maximum aggregation:               42132
>>     APNIC Deaggregation factor:                                    3.57
>> Prefixes being announced from the APNIC address blocks:          160679
>>     Unique aggregates announced from the APNIC address blocks:    65668
>> APNIC Region origin ASes present in the Internet Routing Table:    5167
>>     APNIC Prefixes per ASN:                                       31.10
>> APNIC Region origin ASes announcing only one prefix:               1184
>> APNIC Region transit ASes present in the Internet Routing Table:    912
>> Average APNIC Region AS path length visible:                        4.4
>>     Max APNIC Region AS path length visible:                         41
>> Number of APNIC region 32-bit ASNs visible in the Routing Table:   2000
>> Number of APNIC addresses announced to Internet:              752212548
>>     Equivalent to 44 /8s, 213 /16s and 218 /24s
>>     Percentage of available APNIC address space announced:         87.9
>>
>> APNIC AS Blocks        4608-4864, 7467-7722, 9216-10239, 17408-18431
>> (pre-ERX allocations)  23552-24575, 37888-38911, 45056-46079, 55296-56319,
>>                        58368-59391, 63488-64098, 131072-135580
>> APNIC Address Blocks     1/8,  14/8,  27/8,  36/8,  39/8,  42/8,  43/8,
>>                         49/8,  58/8,  59/8,  60/8,  61/8, 101/8, 103/8,
>>                        106/8, 110/8, 111/8, 112/8, 113/8, 114/8, 115/8,
>>                        116/8, 117/8, 118/8, 119/8, 120/8, 121/8, 122/8,
>>                        123/8, 124/8, 125/8, 126/8, 133/8, 150/8, 153/8,
>>                        163/8, 171/8, 175/8, 180/8, 182/8, 183/8, 202/8,
>>                        203/8, 210/8, 211/8, 218/8, 219/8, 220/8, 221/8,
>>                        222/8, 223/8,
>>
>> ARIN Region Analysis Summary
>> ----------------------------
>>
>> Prefixes being announced by ARIN Region ASes:                    180699
>>     Total ARIN prefixes after maximum aggregation:                89549
>>     ARIN Deaggregation factor:                                     2.02
>> Prefixes being announced from the ARIN address blocks:           185776
>>     Unique aggregates announced from the ARIN address blocks:     88178
>> ARIN Region origin ASes present in the Internet Routing Table:    16390
>>     ARIN Prefixes per ASN:                                        11.33
>> ARIN Region origin ASes announcing only one prefix:                5863
>> ARIN Region transit ASes present in the Internet Routing Table:    1716
>> Average ARIN Region AS path length visible:                         3.8
>>     Max ARIN Region AS path length visible:                          37
>> Number of ARIN region 32-bit ASNs visible in the Routing Table:    1133
>> Number of ARIN addresses announced to Internet:              1101654336
>>     Equivalent to 65 /8s, 169 /16s and 233 /24s
>>     Percentage of available ARIN address space announced:          58.3
>>
>> ARIN AS Blocks         1-1876, 1902-2042, 2044-2046, 2048-2106
>> (pre-ERX allocations)  2138-2584, 2615-2772, 2823-2829, 2880-3153
>>                        3354-4607, 4865-5119, 5632-6655, 6912-7466
>>                        7723-8191, 10240-12287, 13312-15359, 16384-17407
>>                        18432-20479, 21504-23551, 25600-26591,
>>                        26624-27647, 29696-30719, 31744-33791
>>                        35840-36863, 39936-40959, 46080-47103
>>                        53248-55295, 62464-63487, 64198-64296,
>> 393216-395164
>> ARIN Address Blocks      3/8,   4/8,   6/8,   7/8,   8/8,   9/8,  11/8,
>>                         12/8,  13/8,  15/8,  16/8,  17/8,  18/8,  19/8,
>>                         20/8,  21/8,  22/8,  23/8,  24/8,  26/8,  28/8,
>>                         29/8,  30/8,  32/8,  33/8,  34/8,  35/8,  38/8,
>>                         40/8,  44/8,  45/8,  47/8,  48/8,  50/8,  52/8,
>>                         53/8,  54/8,  55/8,  56/8,  57/8,  63/8,  64/8,
>>                         65/8,  66/8,  67/8,  68/8,  69/8,  70/8,  71/8,
>>                         72/8,  73/8,  74/8,  75/8,  76/8,  96/8,  97/8,
>>                         98/8,  99/8, 100/8, 104/8, 107/8, 108/8, 128/8,
>>                        129/8, 130/8, 131/8, 132/8, 134/8, 135/8, 136/8,
>>                        137/8, 138/8, 139/8, 140/8, 142/8, 143/8, 144/8,
>>                        146/8, 147/8, 148/8, 149/8, 152/8, 155/8, 156/8,
>>                        157/8, 158/8, 159/8, 160/8, 161/8, 162/8, 164/8,
>>                        165/8, 166/8, 167/8, 168/8, 169/8, 170/8, 172/8,
>>                        173/8, 174/8, 184/8, 192/8, 198/8, 199/8, 204/8,
>>                        205/8, 206/8, 207/8, 208/8, 209/8, 214/8, 215/8,
>>                        216/8,
>>
>> RIPE Region Analysis Summary
>> ----------------------------
>>
>> Prefixes being announced by RIPE Region ASes:                    142165
>>     Total RIPE prefixes after maximum aggregation:                70048
>>     RIPE Deaggregation factor:                                     2.03
>> Prefixes being announced from the RIPE address blocks:           150969
>>     Unique aggregates announced from the RIPE address blocks:     92852
>> RIPE Region origin ASes present in the Internet Routing Table:    18064
>>     RIPE Prefixes per ASN:                                         8.36
>> RIPE Region origin ASes announcing only one prefix:                7900
>> RIPE Region transit ASes present in the Internet Routing Table:    3001
>> Average RIPE Region AS path length visible:                         4.3
>>     Max RIPE Region AS path length visible:                          29
>> Number of RIPE region 32-bit ASNs visible in the Routing Table:    4649
>> Number of RIPE addresses announced to Internet:               704560256
>>     Equivalent to 41 /8s, 254 /16s and 188 /24s
>>     Percentage of available RIPE address space announced:         102.4
>>
>> RIPE AS Blocks         1877-1901, 2043, 2047, 2107-2136, 2585-2614
>> (pre-ERX allocations)  2773-2822, 2830-2879, 3154-3353, 5377-5631
>>                        6656-6911, 8192-9215, 12288-13311, 15360-16383
>>                        20480-21503, 24576-25599, 28672-29695
>>                        30720-31743, 33792-35839, 38912-39935
>>                        40960-45055, 47104-52223, 56320-58367
>>                        59392-61439, 61952-62463, 196608-204287
>> RIPE Address Blocks      2/8,   5/8,  25/8,  31/8,  37/8,  46/8,  51/8,
>>                         62/8,  77/8,  78/8,  79/8,  80/8,  81/8,  82/8,
>>                         83/8,  84/8,  85/8,  86/8,  87/8,  88/8,  89/8,
>>                         90/8,  91/8,  92/8,  93/8,  94/8,  95/8, 109/8,
>>                        141/8, 145/8, 151/8, 176/8, 178/8, 185/8, 188/8,
>>                        193/8, 194/8, 195/8, 212/8, 213/8, 217/8,
>>
>> LACNIC Region Analysis Summary
>> ------------------------------
>>
>> Prefixes being announced by LACNIC Region ASes:                   62059
>>     Total LACNIC prefixes after maximum aggregation:              12263
>>     LACNIC Deaggregation factor:                                   5.06
>> Prefixes being announced from the LACNIC address blocks:          76192
>>     Unique aggregates announced from the LACNIC address blocks:   35932
>> LACNIC Region origin ASes present in the Internet Routing Table:   2472
>>     LACNIC Prefixes per ASN:                                      30.82
>> LACNIC Region origin ASes announcing only one prefix:               582
>> LACNIC Region transit ASes present in the Internet Routing Table:   557
>> Average LACNIC Region AS path length visible:                       4.8
>>     Max LACNIC Region AS path length visible:                        22
>> Number of LACNIC region 32-bit ASNs visible in the Routing Table:  2409
>> Number of LACNIC addresses announced to Internet:             170805824
>>     Equivalent to 10 /8s, 46 /16s and 74 /24s
>>     Percentage of available LACNIC address space announced:       101.8
>>
>> LACNIC AS Blocks       26592-26623, 27648-28671, 52224-53247,
>>                        61440-61951, 64099-64197, 262144-265628 + ERX
>> transfers
>> LACNIC Address Blocks  177/8, 179/8, 181/8, 186/8, 187/8, 189/8, 190/8,
>>                        191/8, 200/8, 201/8,
>>
>> AfriNIC Region Analysis Summary
>> -------------------------------
>>
>> Prefixes being announced by AfriNIC Region ASes:                  14252
>>     Total AfriNIC prefixes after maximum aggregation:              3198
>>     AfriNIC Deaggregation factor:                                  4.46
>> Prefixes being announced from the AfriNIC address blocks:         16118
>>     Unique aggregates announced from the AfriNIC address blocks:   5740
>> AfriNIC Region origin ASes present in the Internet Routing Table:   743
>>     AfriNIC Prefixes per ASN:                                     21.69
>> AfriNIC Region origin ASes announcing only one prefix:              186
>> AfriNIC Region transit ASes present in the Internet Routing Table:  173
>> Average AfriNIC Region AS path length visible:                      4.6
>>     Max AfriNIC Region AS path length visible:                       21
>> Number of AfriNIC region 32-bit ASNs visible in the Routing Table:  205
>> Number of AfriNIC addresses announced to Internet:             78315008
>>     Equivalent to 4 /8s, 170 /16s and 254 /24s
>>     Percentage of available AfriNIC address space announced:       77.8
>>
>> AfriNIC AS Blocks      36864-37887, 327680-328703 & ERX transfers
>> AfriNIC Address Blocks  41/8, 102/8, 105/8, 154/8, 196/8, 197/8,
>>
>> APNIC Region per AS prefix count summary
>> ----------------------------------------
>>
>>   ASN   No of nets  /20 equiv  MaxAgg  Description
>>  4538     5591       4192          76   China Education and Research
>>  7545     3269        353         203   TPG Telecom Limited
>>  4766     3159      11145        1119   Korea Telecom
>> 17974     2919        914          96   PT Telekomunikasi Indonesia
>>  9829     2481       1457         447   National Internet Backbone
>>  4755     2096        432         241   TATA Communications formerly
>>  9808     1843       8717          30   Guangdong Mobile Communicatio
>>  4808     1658       2300         539   CNCGROUP IP network China169
>>  9583     1507        121         563   Sify Limited
>> 38197     1474         91         207   Sun Network (Hong Kong) Limit
>>
>> Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-APNIC
>>
>> ARIN Region per AS prefix count summary
>> ---------------------------------------
>>
>>   ASN   No of nets  /20 equiv  MaxAgg  Description
>> 22773     3312       2948         143   Cox Communications Inc.
>>  6389     2320       3687          42   BellSouth.net Inc.
>> 18566     2209        394         276   MegaPath Corporation
>> 20115     1924       1937         404   Charter Communications
>> 30036     1747        343         279   Mediacom Communications Corp
>>  6983     1690        849         231   EarthLink, Inc.
>>  4323     1566       1004         384   tw telecom holdings, inc.
>>   209     1549       4620        1232   Qwest Communications Company,
>>   701     1294      10686         702   MCI Communications Services,
>> 11492     1281        240         602   CABLE ONE, INC.
>>
>> Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-ARIN
>>
>> RIPE Region per AS prefix count summary
>> ---------------------------------------
>>
>>   ASN   No of nets  /20 equiv  MaxAgg  Description
>> 39891     2708        143          10   SaudiNet, Saudi Telecom Compa
>> 20940     2408        915        1751   Akamai International B.V.
>> 34984     1964        323         414   TELLCOM ILETISIM HIZMETLERI A
>>  8551     1606        376          55   Bezeq International-Ltd
>>  6849     1152        355          21   JSC "Ukrtelecom"
>> 12479     1151        981          86   France Telecom Espana SA
>> 13188     1079         98          68   TOV "Bank-Inform"
>>  8402     1051        544          15   OJSC "Vimpelcom"
>> 31148     1035         47          41   Freenet Ltd.
>>  9198      941        352          25   JSC Kazakhtelecom
>>
>> Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-RIPE
>>
>> LACNIC Region per AS prefix count summary
>> -----------------------------------------
>>
>>   ASN   No of nets  /20 equiv  MaxAgg  Description
>> 10620     3441        538         188   Telmex Colombia S.A.
>>  8151     2219       3318         543   Uninet S.A. de C.V.
>>  7303     1512        940         241   Telecom Argentina S.A.
>> 11830     1477        368          51   Instituto Costarricense de El
>>  6503     1434        453          56   Axtel, S.A.B. de C.V.
>>  6147     1057        377          27   Telefonica del Peru S.A.A.
>>  3816      995        478         185   COLOMBIA TELECOMUNICACIONES S
>> 26615      995       2325          34   Tim Celular S.A.
>>  7738      987       1882          40   Telemar Norte Leste S.A.
>> 28573      881       2177         159   NET Serviços de Comunicação S
>>
>> Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-LACNIC
>>
>> AfriNIC Region per AS prefix count summary
>> ------------------------------------------
>>
>>   ASN   No of nets  /20 equiv  MaxAgg  Description
>> 24863     1231        402          40   Link Egypt (Link.NET)
>> 37611      646         48           2   Afrihost-Brevis Computer Serv
>> 36903      587        295         101   Office National des Postes et
>>  8452      559       1472          15   TE-AS
>> 36992      509       1357          25   ETISALAT MISR
>> 37492      394        234          67   Orange Tunisie
>> 24835      329        210          13   Vodafone Data
>> 29571      281         37          12   Cote d'Ivoire Telecom
>>  2018      256        327          74   TENET (The UNINET Project)
>> 36947      234        807          13   Telecom Algeria
>>
>> Complete listing at
>> http://thyme.rand.apnic.net/current/data-ASnet-AFRINIC
>>
>> Global Per AS prefix count summary
>> ----------------------------------
>>
>>   ASN   No of nets  /20 equiv  MaxAgg  Description
>>  4538     5591       4192          76   China Education and Research
>> 10620     3441        538         188   Telmex Colombia S.A.
>> 22773     3312       2948         143   Cox Communications Inc.
>>  7545     3269        353         203   TPG Telecom Limited
>>  4766     3159      11145        1119   Korea Telecom
>> 17974     2919        914          96   PT Telekomunikasi Indonesia
>> 39891     2708        143          10   SaudiNet, Saudi Telecom Compa
>>  9829     2481       1457         447   National Internet Backbone
>> 20940     2408        915        1751   Akamai International B.V.
>>  6389     2320       3687          42   BellSouth.net Inc.
>>
>> Complete listing at http://thyme.rand.apnic.net/current/data-ASnet
>>
>> Global Per AS Maximum Aggr summary
>> ----------------------------------
>>
>>   ASN   No of nets  Net Savings Description
>> 10620      3441        3253      Telmex Colombia S.A.
>> 22773      3312        3169      Cox Communications Inc.
>>  7545      3269        3066      TPG Telecom Limited
>> 17974      2919        2823      PT Telekomunikasi Indonesia
>> 39891      2708        2698      SaudiNet, Saudi Telecom Compa
>>  6389      2320        2278      BellSouth.net Inc.
>>  4766      3159        2040      Korea Telecom
>>  9829      2481        2034      National Internet Backbone
>> 18566      2209        1933      MegaPath Corporation
>>  4755      2096        1855      TATA Communications formerly
>>
>> Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet
>>
>> List of Unregistered Origin ASNs (Global)
>> -----------------------------------------
>>
>> Bad AS  Designation  Network              Transit AS  Description
>> 30662   UNALLOCATED  8.2.129.0/24          3356       Level 3
>> Communicatio
>> 53506   UNALLOCATED  8.17.102.0/23         3356       Level 3
>> Communicatio
>> 46467   UNALLOCATED  8.19.192.0/24        46887       Lightower Fiber
>> Netw
>> 16589   UNALLOCATED  8.20.247.0/24        35838       CCANET Limited
>> 16589   UNALLOCATED  8.26.56.0/24         35838       CCANET Limited
>> 46473   UNALLOCATED  8.27.122.0/24         3356       Level 3
>> Communicatio
>> 46473   UNALLOCATED  8.27.124.0/24         3356       Level 3
>> Communicatio
>> 27205   UNALLOCATED  8.38.16.0/21          3356       Level 3
>> Communicatio
>> 27205   UNALLOCATED  8.38.20.0/24         32787       Prolexic
>> Technologie
>> 27205   UNALLOCATED  8.38.22.0/24         32787       Prolexic
>> Technologie
>>
>> Complete listing at http://thyme.rand.apnic.net/current/data-badAS
>>
>> Advertised Unallocated Addresses
>> --------------------------------
>>
>> Network            Origin AS  Description
>> 23.226.112.0/20      62788     >>UNKNOWN<<
>> 23.249.144.0/20      40430     colo4jax, LLC
>> 27.100.7.0/24        56096     >>UNKNOWN<<
>> 41.73.1.0/24         37004     >>UNKNOWN<<
>> 41.73.2.0/24         37004     >>UNKNOWN<<
>> 41.73.3.0/24         37004     >>UNKNOWN<<
>> 41.73.4.0/24         37004     >>UNKNOWN<<
>> 41.73.5.0/24         37004     >>UNKNOWN<<
>> 41.73.6.0/24         37004     >>UNKNOWN<<
>> 41.73.7.0/24         37004     >>UNKNOWN<<
>>
>> Complete listing at http://thyme.rand.apnic.net/current/data-add-IANA
>>
>> Number of prefixes announced per prefix length (Global)
>> -------------------------------------------------------
>>
>>  /1:0        /2:0        /3:0        /4:0        /5:0        /6:0
>>  /7:0        /8:16       /9:13      /10:36      /11:101     /12:267
>> /13:512     /14:1030    /15:1758    /16:12968   /17:7585    /18:12769
>> /19:25869   /20:38183   /21:39943   /22:65247   /23:56880   /24:325249
>> /25:556     /26:598     /27:420     /28:43      /29:32      /30:14
>> /31:1       /32:32
>>
>> Advertised prefixes smaller than registry allocations
>> -----------------------------------------------------
>>
>>   ASN   No of nets  Total ann.   Description
>> 39891     2664          2708      SaudiNet, Saudi Telecom Compa
>> 22773     2495          3312      Cox Communications Inc.
>> 18566     2111          2209      MegaPath Corporation
>> 30036     1562          1747      Mediacom Communications Corp
>>  6389     1485          2320      BellSouth.net Inc.
>> 10620     1346          3441      Telmex Colombia S.A.
>>  6983     1340          1690      EarthLink, Inc.
>> 34984     1249          1964      TELLCOM ILETISIM HIZMETLERI A
>> 11492     1183          1281      CABLE ONE, INC.
>>  8551     1103          1606      Bezeq International-Ltd
>>
>> Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
>>
>> Number of /24s announced per /8 block (Global)
>> ----------------------------------------------
>>
>>    1:1585      2:730       4:21        5:2058      6:28        8:950
>>   12:1775     13:39       14:1673     15:45       16:2        17:79
>>   18:87       20:48       23:1462     24:1778     27:2268     31:1748
>>   32:57       33:2        34:2        35:5        36:283      37:2258
>>   38:1212     39:24       40:87       41:2768     42:395      43:1708
>>   44:42       45:1799     46:2507     47:74       49:1140     50:840
>>   51:14       52:144      54:221      55:3        56:6        57:45
>>   58:1533     59:867      60:346      61:1810     62:1489     63:1917
>>   64:4471     65:2144     66:4273     67:2155     68:1087     69:3249
>>   70:1060     71:468      72:1984     74:2545     75:339      76:418
>>   77:1371     78:1265     79:1029     80:1316     81:1350     82:931
>>   83:688      84:820      85:1574     86:467      87:1037     88:560
>>   89:1971     90:167      91:6040     92:867      93:2321     94:2315
>>   95:2291     96:476      97:359      98:943      99:45      100:72
>>  101:1026    103:10417   104:2371    105:149     106:397     107:1096
>>  108:683     109:2291    110:1244    111:1655    112:958     113:1166
>>  114:1045    115:1556    116:1609    117:1431    118:2025    119:1593
>>  120:521     121:1163    122:2223    123:2011    124:1566    125:1753
>>  128:702     129:377     130:411     131:1319    132:621     133:174
>>  134:450     135:123     136:373     137:354     138:1712    139:248
>>  140:374     141:464     142:655     143:893     144:628     145:162
>>  146:856     147:688     148:1469    149:500     150:653     151:753
>>  152:608     153:269     154:599     155:949     156:491     157:476
>>  158:345     159:1104    160:459     161:744     162:2280    163:534
>>  164:753     165:1044    166:312     167:1099    168:1730    169:638
>>  170:1572    171:272     172:526     173:1697    174:731     175:722
>>  176:1678    177:3984    178:2211    179:1151    180:2068    181:1743
>>  182:1905    183:689     184:794     185:6207    186:3131    187:2108
>>  188:2124    189:1754    190:7714    191:1218    192:8939    193:5726
>>  194:4365    195:3767    196:1722    197:1089    198:5554    199:5661
>>  200:6924    201:3724    202:10173   203:9618    204:4653    205:2714
>>  206:3013    207:3101    208:4047    209:3791    210:3920    211:2012
>>  212:2663    213:2189    214:843     215:72      216:5776    217:1924
>>  218:765     219:562     220:1672    221:857     222:659     223:971
>>
>>
>> End of report
>>
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