[lacnog] Weekly Routing Table Report

Routing Analysis Role Account cscora en apnic.net
Vie Jun 15 15:03:08 BRT 2018


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, SANOG, PacNOG, SAFNOG
TZNOG, MENOG, BJNOG, SDNOG, CMNOG, LACNOG, IRNOG 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 Jun, 2018

Report Website:     http://thyme.rand.apnic.net
Detailed Analysis:  http://thyme.rand.apnic.net/current/

Analysis Summary
----------------

BGP routing table entries examined:                              703538
    Prefixes after maximum aggregation (per Origin AS):          270561
    Deaggregation factor:                                          2.60
    Unique aggregates announced (without unneeded subnets):      337701
Total ASes present in the Internet Routing Table:                 60978
    Prefixes per ASN:                                             11.54
Origin-only ASes present in the Internet Routing Table:           52643
Origin ASes announcing only one prefix:                           23010
Transit ASes present in the Internet Routing Table:                8335
Transit-only ASes present in the Internet Routing Table:            278
Average AS path length visible in the Internet Routing Table:       4.0
    Max AS path length visible:                                      30
    Max AS path prepend of ASN ( 30873)                              28
Prefixes from unregistered ASNs in the Routing Table:                48
    Number of instances of unregistered ASNs:                        48
Number of 32-bit ASNs allocated by the RIRs:                      22964
Number of 32-bit ASNs visible in the Routing Table:               18494
Prefixes from 32-bit ASNs in the Routing Table:                   77091
Number of bogon 32-bit ASNs visible in the Routing Table:            17
Special use prefixes present in the Routing Table:                    2
Prefixes being announced from unallocated address space:            252
Number of addresses announced to Internet:                   2857557955
    Equivalent to 170 /8s, 82 /16s and 223 /24s
    Percentage of available address space announced:               77.2
    Percentage of allocated address space announced:               77.2
    Percentage of available address space allocated:              100.0
    Percentage of address space in use by end-sites:               98.9
Total number of prefixes smaller than registry allocations:      234947

APNIC Region Analysis Summary
-----------------------------

Prefixes being announced by APNIC Region ASes:                   191998
    Total APNIC prefixes after maximum aggregation:               54599
    APNIC Deaggregation factor:                                    3.52
Prefixes being announced from the APNIC address blocks:          190735
    Unique aggregates announced from the APNIC address blocks:    77742
APNIC Region origin ASes present in the Internet Routing Table:    8866
    APNIC Prefixes per ASN:                                       21.51
APNIC Region origin ASes announcing only one prefix:               2496
APNIC Region transit ASes present in the Internet Routing Table:   1332
Average APNIC Region AS path length visible:                        4.0
    Max APNIC Region AS path length visible:                         29
Number of APNIC region 32-bit ASNs visible in the Routing Table:   3837
Number of APNIC addresses announced to Internet:              767206658
    Equivalent to 45 /8s, 186 /16s and 165 /24s
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, 64297-64395, 131072-137529
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:                    209304
    Total ARIN prefixes after maximum aggregation:                99533
    ARIN Deaggregation factor:                                     2.10
Prefixes being announced from the ARIN address blocks:           209820
    Unique aggregates announced from the ARIN address blocks:     99158
ARIN Region origin ASes present in the Internet Routing Table:    18200
    ARIN Prefixes per ASN:                                        11.53
ARIN Region origin ASes announcing only one prefix:                6736
ARIN Region transit ASes present in the Internet Routing Table:    1806
Average ARIN Region AS path length visible:                         3.6
    Max ARIN Region AS path length visible:                          19
Number of ARIN region 32-bit ASNs visible in the Routing Table:    2363
Number of ARIN addresses announced to Internet:              1102973344
    Equivalent to 65 /8s, 190 /16s and 9 /24s
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, 393216-397212
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:                    192618
    Total RIPE prefixes after maximum aggregation:                92399
    RIPE Deaggregation factor:                                     2.08
Prefixes being announced from the RIPE address blocks:           188762
    Unique aggregates announced from the RIPE address blocks:    112082
RIPE Region origin ASes present in the Internet Routing Table:    25230
    RIPE Prefixes per ASN:                                         7.48
RIPE Region origin ASes announcing only one prefix:               11392
RIPE Region transit ASes present in the Internet Routing Table:    3516
Average RIPE Region AS path length visible:                         4.1
    Max RIPE Region AS path length visible:                          30
Number of RIPE region 32-bit ASNs visible in the Routing Table:    7093
Number of RIPE addresses announced to Internet:               716117120
    Equivalent to 42 /8s, 175 /16s and 20 /24s
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, 64396-64495
                       196608-207259
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:                   90608
    Total LACNIC prefixes after maximum aggregation:              19978
    LACNIC Deaggregation factor:                                   4.54
Prefixes being announced from the LACNIC address blocks:          92034
    Unique aggregates announced from the LACNIC address blocks:   40788
LACNIC Region origin ASes present in the Internet Routing Table:   7220
    LACNIC Prefixes per ASN:                                      12.75
LACNIC Region origin ASes announcing only one prefix:              2006
LACNIC Region transit ASes present in the Internet Routing Table:  1351
Average LACNIC Region AS path length visible:                       4.7
    Max LACNIC Region AS path length visible:                        26
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  4769
Number of LACNIC addresses announced to Internet:             172405152
    Equivalent to 10 /8s, 70 /16s and 177 /24s
LACNIC AS Blocks       26592-26623, 27648-28671, 52224-53247,
                       61440-61951, 64099-64197, 262144-268700 + 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:                  18961
    Total AfriNIC prefixes after maximum aggregation:              4010
    AfriNIC Deaggregation factor:                                  4.73
Prefixes being announced from the AfriNIC address blocks:         21935
    Unique aggregates announced from the AfriNIC address blocks:   7706
AfriNIC Region origin ASes present in the Internet Routing Table:  1156
    AfriNIC Prefixes per ASN:                                     18.97
AfriNIC Region origin ASes announcing only one prefix:              380
AfriNIC Region transit ASes present in the Internet Routing Table:  226
Average AfriNIC Region AS path length visible:                      4.4
    Max AfriNIC Region AS path length visible:                       29
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:  432
Number of AfriNIC addresses announced to Internet:             98414592
    Equivalent to 5 /8s, 221 /16s and 176 /24s
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         5425       4192      74  ERX-CERNET-BKB China Education and Rese
  7545         4290        420     439  TPG-INTERNET-AP TPG Telecom Limited, AU
  7552         2922       1154      77  VIETEL-AS-AP Viettel Group, VN
  4766         2849      11134     761  KIXS-AS-KR Korea Telecom, KR
  9829         2803       1497     543  BSNL-NIB National Internet Backbone, IN
 45899         2555       1598     162  VNPT-AS-VN VNPT Corp, VN
  9394         2540       4907      31  CTTNET China TieTong Telecommunications
 17974         2220        928      79  TELKOMNET-AS2-AP PT Telekomunikasi Indo
  9808         2200       8699      26  CMNET-GD Guangdong Mobile Communication
  4755         2105        417     206  TATACOMM-AS TATA Communications formerl

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
  6327         3433       1324      85  SHAW - Shaw Communications Inc., CA
 22773         3283       2968     147  ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
 11492         2324        243     463  CABLEONE - CABLE ONE, INC., US
 18566         2170        405     109  MEGAPATH5-US - MegaPath Corporation, US
 16509         2148       4709     683  AMAZON-02 - Amazon.com, Inc., US
 20115         2107       2562     469  CHARTER-NET-HKY-NC - Charter Communicat
   209         2009       5070     609  CENTURYLINK-US-LEGACY-QWEST - Qwest Com
 30036         1991        342     167  MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
 16625         1903        946    1357  AKAMAI-AS - Akamai Technologies, Inc., 
  7018         1739      20202    1272  ATT-INTERNET4 - AT&T Services, Inc., US

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
 12479         4284       1517     565  UNI2-AS, ES
 39891         3778        203      20  ALJAWWALSTC-AS, SA
  8551         2749        377      43  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 20940         2573        648    1891  AKAMAI-ASN1, US
 34984         2022        335     499  TELLCOM-AS, TR
 12389         2013       1877     707  ROSTELECOM-AS, RU
  9121         1889       1692      19  TTNET, TR
 13188         1610        100      43  TRIOLAN, UA
  8402         1261        544      14  CORBINA-AS OJSC "Vimpelcom", RU
  6849         1241        355      21  UKRTELNET, UA

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
  8151         4684       3306     586  Uninet S.A. de C.V., MX
 10620         3563        541     254  Telmex Colombia S.A., CO
 11830         2653        369      78  Instituto Costarricense de Electricidad
  6503         1639        443      60  Axtel, S.A.B. de C.V., MX
  7303         1507       1026     188  Telecom Argentina S.A., AR
 28573         1032       2242     177  CLARO S.A., BR
  3816         1010        505     130  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
 11172          926        126      85  Alestra, S. de R.L. de C.V., MX
  6147          921        377      31  Telefonica del Peru S.A.A., PE
 18881          911       1078      30  TELEF‘NICA BRASIL S.A, BR

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         1173        396      48  LINKdotNET-AS, EG
 37611          858        107       9  Afrihost, ZA
 36903          750        377     143  MT-MPLS, MA
 36992          724       1413      40  ETISALAT-MISR, EG
  8452          641       1730      18  TE-AS TE-AS, EG
 24835          610        818      18  RAYA-AS, EG
 37492          467        470      57  ORANGE-, TN
 29571          454         68      11  ORANGE-COTE-IVOIRE, CI
 37342          379         32       1  MOVITEL, MZ
 15399          371         35       7  WANANCHI-, KE

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         5425       4192      74  ERX-CERNET-BKB China Education and Rese
  8151         4684       3306     586  Uninet S.A. de C.V., MX
  7545         4290        420     439  TPG-INTERNET-AP TPG Telecom Limited, AU
 12479         4284       1517     565  UNI2-AS, ES
 39891         3778        203      20  ALJAWWALSTC-AS, SA
 10620         3563        541     254  Telmex Colombia S.A., CO
  6327         3433       1324      85  SHAW - Shaw Communications Inc., CA
 22773         3283       2968     147  ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
  7552         2922       1154      77  VIETEL-AS-AP Viettel Group, VN
  4766         2849      11134     761  KIXS-AS-KR Korea Telecom, KR

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet

Global Per AS Maximum Aggr summary
----------------------------------

  ASN   No of nets  Net Savings  Description
  8151       4684         4098   Uninet S.A. de C.V., MX
  7545       4290         3851   TPG-INTERNET-AP TPG Telecom Limited, AU
 39891       3778         3758   ALJAWWALSTC-AS, SA
 12479       4284         3719   UNI2-AS, ES
  6327       3433         3348   SHAW - Shaw Communications Inc., CA
 10620       3563         3309   Telmex Colombia S.A., CO
 22773       3283         3136   ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 
  7552       2922         2845   VIETEL-AS-AP Viettel Group, VN
  8551       2749         2706   BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 11830       2653         2575   Instituto Costarricense de Electricidad y Telec

Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet

List of Unregistered Origin ASNs (Global)
-----------------------------------------

Bad AS    Designation  Network              Transit AS  Description
 230105   UNALLOCATED  38.110.79.0/24       23015       CMC180-TOR-AS - Cambridge Merc
 268309   UNALLOCATED  45.238.48.0/22       52655       Ti5 Tecnologia e Inovacao, BR
  65001   PRIVATE      46.237.40.0/21       13118       ASN-YARTELECOM PJSC Rostelecom
  64513   PRIVATE      62.150.101.0/24       9155       QNET Kuwait, KW
  65537   DOCUMENT     62.162.120.0/24       6821       MT-AS-OWN bul. Orce Nikolov bb
 419333   UNALLOCATED  84.17.91.0/24        41933       IPRAGAZ-AS Istanbul/ TURKEY, T
  64121   UNALLOCATED  98.159.9.0/24        19555       KMI-NETWORK - Kinder Morgan, I
  64121   UNALLOCATED  98.159.12.0/24       19555       KMI-NETWORK - Kinder Morgan, I
  64140   UNALLOCATED  98.159.14.0/24       64121       UNKNOWN
  65544   DOCUMENT     103.197.121.0/24     65542       UNKNOWN

Complete listing at http://thyme.rand.apnic.net/current/data-badAS

Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------

Prefix             Origin AS  Description
100.66.224.0/19        209     CENTURYLINK-US-LEGACY-QWEST - Qwest Communicati
198.18.1.19/32        7497     CSTNET-AS-AP Computer Network Information Cente

Complete listing at http://thyme.rand.apnic.net/current/data-dsua

Advertised Unallocated Addresses
--------------------------------

Network            Origin AS  Description
27.100.7.0/24        56096    UNKNOWN
41.78.92.0/22        14988    BTC-GATE1, BW
41.78.180.0/23       37265    -Reserved AS-, ZZ
43.251.20.0/22        9381    WTT-AS-AP WTT HK Limited, HK
43.251.84.0/22      133676    PNPL-AS Precious netcom pvt ltd, IN
43.251.84.0/23      133676    PNPL-AS Precious netcom pvt ltd, IN
45.64.64.0/24        19551    INCAPSULA - Incapsula Inc, US
45.64.65.0/24        19551    INCAPSULA - Incapsula Inc, US
45.64.66.0/24        19551    INCAPSULA - Incapsula Inc, US
45.64.67.0/24        19551    INCAPSULA - Incapsula Inc, US

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        /8:14       /9:11      /10:37      /11:99      /12:290     
/13:567     /14:1098    /15:1902    /16:13363   /17:7925    /18:13754   
/19:25263   /20:39375   /21:45351   /22:87397   /23:70873   /24:394001  
/25:828     /26:626     /27:636     /28:35      /29:20      /30:16      
/31:4       /32:53      

Advertised prefixes smaller than registry allocations
-----------------------------------------------------

   ASN   No of nets  Total ann.  Description
  6327     3220          3433    SHAW - Shaw Communications Inc., CA
 12479     3072          4284    UNI2-AS, ES
 39891     2946          3778    ALJAWWALSTC-AS, SA
 22773     2547          3283    ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 
  8551     2211          2749    BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 18566     2063          2170    MEGAPATH5-US - MegaPath Corporation, US
 11830     2001          2653    Instituto Costarricense de Electricidad y Telec
 11492     1921          2324    CABLEONE - CABLE ONE, INC., US
 30036     1743          1991    MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communi
 10620     1612          3563    Telmex Colombia S.A., CO

Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos

Number of /24s announced per /8 block (Global)
----------------------------------------------

   1:1632      2:857       4:19        5:2828      6:40        7:1      
   8:1115     12:1873     13:195      14:1760     15:29       16:3      
  17:211      18:55       20:50       21:8        23:2668     24:2223   
  25:2        27:2426     31:2019     32:92       35:27       36:509    
  37:2749     38:1478     39:241      40:121      41:3160     42:681    
  43:1927     44:121      45:4712     46:3044     47:201      49:1324   
  50:1057     51:314      52:1053     54:367      55:2        56:12     
  57:39       58:1627     59:1000     60:390      61:2094     62:1852   
  63:1799     64:5030     65:2218     66:4665     67:2439     68:1168   
  69:3220     70:1152     71:564      72:2115     74:2736     75:422    
  76:454      77:1566     78:1714     79:1764     80:1504     81:1385   
  82:1084     83:768      84:1071     85:2016     86:587      87:1319   
  88:923      89:2341     90:212      91:6392     92:1203     93:2371   
  94:2395     95:2850     96:734      97:356      98:946      99:133    
 100:83      101:1265    102:78      103:17918   104:3609    105:246    
 106:651     107:1874    108:694     109:3459    110:1635    111:1774   
 112:1272    113:1275    114:1130    115:1649    116:1645    117:1756   
 118:2161    119:1668    120:986     121:1053    122:2456    123:1774   
 124:1439    125:1901    128:1036    129:655     130:452     131:1592   
 132:691     133:196     134:1026    135:222     136:507     137:561    
 138:1961    139:615     140:410     141:716     142:830     143:978    
 144:802     145:480     146:1202    147:727     148:1631    149:749    
 150:736     151:1062    152:787     153:312     154:1116    155:763    
 156:1066    157:799     158:652     159:1737    160:1122    161:783    
 162:2588    163:595     164:1062    165:1480    166:470     167:1287   
 168:3061    169:830     170:3733    171:454     172:1092    173:2014   
 174:905     175:781     176:1995    177:4068    178:2512    179:1217   
 180:2199    181:2230    182:2378    183:1179    184:1022    185:13627  
 186:3612    187:2348    188:2832    189:2065    190:8084    191:1421   
 192:9821    193:5976    194:4859    195:3985    196:2594    197:1573   
 198:5529    199:5909    200:7368    201:4898    202:10472   203:10200  
 204:4577    205:2909    206:3111    207:3177    208:4022    209:3958   
 210:4052    211:2108    212:3051    213:2746    214:976     215:57     
 216:5962    217:2123    218:903     219:628     220:1771    221:978    
 222:1022    223:1296   

End of report


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