[lacnog] Weekly Routing Table Report

Routing Analysis Role Account cscora en apnic.net
Vie Mayo 11 15:03:13 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 12 May, 2018

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

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

BGP routing table entries examined:                              699099
    Prefixes after maximum aggregation (per Origin AS):          269055
    Deaggregation factor:                                          2.60
    Unique aggregates announced (without unneeded subnets):      336810
Total ASes present in the Internet Routing Table:                 60733
    Prefixes per ASN:                                             11.51
Origin-only ASes present in the Internet Routing Table:           52477
Origin ASes announcing only one prefix:                           22967
Transit ASes present in the Internet Routing Table:                8256
Transit-only ASes present in the Internet Routing Table:            269
Average AS path length visible in the Internet Routing Table:       4.0
    Max AS path length visible:                                      34
    Max AS path prepend of ASN ( 30873)                              28
Prefixes from unregistered ASNs in the Routing Table:                51
    Number of instances of unregistered ASNs:                        51
Number of 32-bit ASNs allocated by the RIRs:                      22508
Number of 32-bit ASNs visible in the Routing Table:               18184
Prefixes from 32-bit ASNs in the Routing Table:                   75633
Number of bogon 32-bit ASNs visible in the Routing Table:            14
Special use prefixes present in the Routing Table:                    1
Prefixes being announced from unallocated address space:            309
Number of addresses announced to Internet:                   2859146114
    Equivalent to 170 /8s, 107 /16s and 27 /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:      233007

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

Prefixes being announced by APNIC Region ASes:                   191299
    Total APNIC prefixes after maximum aggregation:               54176
    APNIC Deaggregation factor:                                    3.53
Prefixes being announced from the APNIC address blocks:          190152
    Unique aggregates announced from the APNIC address blocks:    77850
APNIC Region origin ASes present in the Internet Routing Table:    8802
    APNIC Prefixes per ASN:                                       21.60
APNIC Region origin ASes announcing only one prefix:               2465
APNIC Region transit ASes present in the Internet Routing Table:   1312
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:   3762
Number of APNIC addresses announced to Internet:              766828290
    Equivalent to 45 /8s, 180 /16s and 223 /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:                    208203
    Total ARIN prefixes after maximum aggregation:                99080
    ARIN Deaggregation factor:                                     2.10
Prefixes being announced from the ARIN address blocks:           209083
    Unique aggregates announced from the ARIN address blocks:     98841
ARIN Region origin ASes present in the Internet Routing Table:    18167
    ARIN Prefixes per ASN:                                        11.51
ARIN Region origin ASes announcing only one prefix:                6708
ARIN Region transit ASes present in the Internet Routing Table:    1799
Average ARIN Region AS path length visible:                         3.6
    Max ARIN Region AS path length visible:                          20
Number of ARIN region 32-bit ASNs visible in the Routing Table:    2349
Number of ARIN addresses announced to Internet:              1105293088
    Equivalent to 65 /8s, 225 /16s and 111 /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:                    190744
    Total RIPE prefixes after maximum aggregation:                91945
    RIPE Deaggregation factor:                                     2.07
Prefixes being announced from the RIPE address blocks:           186665
    Unique aggregates announced from the RIPE address blocks:    111183
RIPE Region origin ASes present in the Internet Routing Table:    25184
    RIPE Prefixes per ASN:                                         7.41
RIPE Region origin ASes announcing only one prefix:               11419
RIPE Region transit ASes present in the Internet Routing Table:    3505
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:    6978
Number of RIPE addresses announced to Internet:               715758464
    Equivalent to 42 /8s, 169 /16s and 155 /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:                   90142
    Total LACNIC prefixes after maximum aggregation:              19844
    LACNIC Deaggregation factor:                                   4.54
Prefixes being announced from the LACNIC address blocks:          91536
    Unique aggregates announced from the LACNIC address blocks:   41016
LACNIC Region origin ASes present in the Internet Routing Table:   7139
    LACNIC Prefixes per ASN:                                      12.82
LACNIC Region origin ASes announcing only one prefix:              1995
LACNIC Region transit ASes present in the Internet Routing Table:  1314
Average LACNIC Region AS path length visible:                       4.7
    Max LACNIC Region AS path length visible:                        34
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  4677
Number of LACNIC addresses announced to Internet:             172818912
    Equivalent to 10 /8s, 77 /16s and 1 /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:                  18658
    Total AfriNIC prefixes after maximum aggregation:              3963
    AfriNIC Deaggregation factor:                                  4.71
Prefixes being announced from the AfriNIC address blocks:         21354
    Unique aggregates announced from the AfriNIC address blocks:   7653
AfriNIC Region origin ASes present in the Internet Routing Table:  1144
    AfriNIC Prefixes per ASN:                                     18.67
AfriNIC Region origin ASes announcing only one prefix:              379
AfriNIC Region transit ASes present in the Internet Routing Table:  234
Average AfriNIC Region AS path length visible:                      4.4
    Max AfriNIC Region AS path length visible:                       21
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:  418
Number of AfriNIC addresses announced to Internet:             97981184
    Equivalent to 5 /8s, 215 /16s and 19 /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         5397       4192      74  ERX-CERNET-BKB China Education and Rese
  7545         4395        419     431  TPG-INTERNET-AP TPG Telecom Limited, AU
  4766         2907      11137     792  KIXS-AS-KR Korea Telecom, KR
  7552         2835       1154      70  VIETEL-AS-AP Viettel Group, VN
  9829         2812       1498     543  BSNL-NIB National Internet Backbone, IN
  9394         2622       4922      25  CTTNET China TieTong Telecommunications
 45899         2528       1574     160  VNPT-AS-VN VNPT Corp, VN
 17974         2294        928      79  TELKOMNET-AS2-AP PT Telekomunikasi Indo
  9808         2191       8699      32  CMNET-GD Guangdong Mobile Communication
  4755         2101        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         3386       1323      84  SHAW - Shaw Communications Inc., CA
 22773         3288       2968     147  ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
 18566         2167        405     109  MEGAPATH5-US - MegaPath Corporation, US
 20115         2101       2508     451  CHARTER-NET-HKY-NC - Charter Communicat
 16509         2097       4687     662  AMAZON-02 - Amazon.com, Inc., US
 11492         2062        241     436  CABLEONE - CABLE ONE, INC., US
 30036         1972        339     175  MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
   209         1967       5070     605  CENTURYLINK-US-LEGACY-QWEST - Qwest Com
 16625         1779        873    1267  AKAMAI-AS - Akamai Technologies, Inc., 
  7018         1714      20216    1257  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         4113       1519     500  UNI2-AS, ES
 39891         3778        203      20  ALJAWWALSTC-AS, SA
 20940         2646        706    1943  AKAMAI-ASN1, US
  8551         2076        378      44  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 12389         2043       1876     708  ROSTELECOM-AS, RU
 34984         2019        334     485  TELLCOM-AS, TR
  9121         1888       1692      19  TTNET, TR
 13188         1609        100      43  TRIOLAN, UA
  8402         1246        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         4549       3355     577  Uninet S.A. de C.V., MX
 10620         3585        540     251  Telmex Colombia S.A., CO
 11830         2647        369      78  Instituto Costarricense de Electricidad
  6503         1599        437      53  Axtel, S.A.B. de C.V., MX
  7303         1513       1025     187  Telecom Argentina S.A., AR
 28573         1034       2252     185  CLARO S.A., BR
  3816         1008        505     123  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
  6147          971        377      31  Telefonica del Peru S.A.A., PE
 11172          927        126      85  Alestra, S. de R.L. de C.V., MX
 18881          909       1074      29  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         1183        396      45  LINKdotNET-AS, EG
 37611          839        107       9  Afrihost, ZA
 36903          741        372     137  MT-MPLS, MA
 36992          702       1412      42  ETISALAT-MISR, EG
  8452          693       1730      18  TE-AS TE-AS, EG
 24835          639        850      15  RAYA-AS, EG
 37492          453        376      82  ORANGE-, TN
 29571          436         68      10  ORANGE-COTE-IVOIRE, CI
 15399          363         35       7  WANANCHI-, KE
 37342          362         32       1  MOVITEL, MZ

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         5397       4192      74  ERX-CERNET-BKB China Education and Rese
  8151         4549       3355     577  Uninet S.A. de C.V., MX
  7545         4395        419     431  TPG-INTERNET-AP TPG Telecom Limited, AU
 12479         4113       1519     500  UNI2-AS, ES
 39891         3778        203      20  ALJAWWALSTC-AS, SA
 10620         3585        540     251  Telmex Colombia S.A., CO
  6327         3386       1323      84  SHAW - Shaw Communications Inc., CA
 22773         3288       2968     147  ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
  4766         2907      11137     792  KIXS-AS-KR Korea Telecom, KR
  7552         2835       1154      70  VIETEL-AS-AP Viettel Group, VN

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       4549         3972   Uninet S.A. de C.V., MX
  7545       4395         3964   TPG-INTERNET-AP TPG Telecom Limited, AU
 39891       3778         3758   ALJAWWALSTC-AS, SA
 12479       4113         3613   UNI2-AS, ES
 10620       3585         3334   Telmex Colombia S.A., CO
  6327       3386         3302   SHAW - Shaw Communications Inc., CA
 22773       3288         3141   ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 
  7552       2835         2765   VIETEL-AS-AP Viettel Group, VN
  9394       2622         2597   CTTNET China TieTong Telecommunications Corpora
 11830       2647         2569   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
  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
  65024   PRIVATE      87.103.232.0/24      39407       CHITATELECOM-AS, RU
  65024   PRIVATE      87.103.233.0/24      39407       CHITATELECOM-AS, RU
  65024   PRIVATE      87.103.234.0/24      39407       CHITATELECOM-AS, RU
  65024   PRIVATE      95.189.78.0/24       39407       CHITATELECOM-AS, RU
  65024   PRIVATE      95.189.80.0/22       39407       CHITATELECOM-AS, RU

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

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
36.50.254.0/23       48964    ENTERRA-AS, UA
41.76.136.0/22       37500    -Reserved AS-, ZZ
41.76.136.0/24       37500    -Reserved AS-, ZZ
41.76.138.0/24       37500    -Reserved AS-, ZZ
41.76.139.0/24       37500    -Reserved AS-, ZZ
41.76.140.0/22       37500    -Reserved AS-, ZZ
41.76.140.0/24       37500    -Reserved AS-, ZZ
41.76.141.0/24       37500    -Reserved AS-, ZZ
41.76.142.0/24       37500    -Reserved AS-, ZZ

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      /11:100     /12:288     
/13:564     /14:1094    /15:1904    /16:13394   /17:7871    /18:13718   
/19:25269   /20:39354   /21:45196   /22:87028   /23:70237   /24:390744  
/25:847     /26:650     /27:649     /28:36      /29:20      /30:17      
/31:4       /32:53      

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

   ASN   No of nets  Total ann.  Description
  6327     3174          3386    SHAW - Shaw Communications Inc., CA
 39891     2946          3778    ALJAWWALSTC-AS, SA
 12479     2892          4113    UNI2-AS, ES
 22773     2544          3288    ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 
 18566     2060          2167    MEGAPATH5-US - MegaPath Corporation, US
 11830     1995          2647    Instituto Costarricense de Electricidad y Telec
 11492     1804          2062    CABLEONE - CABLE ONE, INC., US
 30036     1724          1972    MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communi
 10620     1604          3585    Telmex Colombia S.A., CO
  8551     1538          2076    BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo

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

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

   1:1580      2:850       4:19        5:2842      6:65        7:1      
   8:1125     12:1870     13:186      14:1753     15:28       16:3      
  17:205      18:65       20:49       21:8        23:2631     24:2219   
  25:2        27:2362     31:1992     32:88       35:27       36:505    
  37:2803     38:1457     39:262      40:119      41:3134     42:572    
  43:1930     44:114      45:4460     46:3061     47:204      49:1317   
  50:1059     51:307      52:1021     54:369      55:4        56:12     
  57:42       58:1601     59:991      60:431      61:2166     62:1827   
  63:1801     64:5039     65:2216     66:4676     67:2417     68:1141   
  69:3200     70:1148     71:564      72:2126     74:2724     75:413    
  76:450      77:1529     78:1694     79:1862     80:1514     81:1409   
  82:1075     83:782      84:1058     85:2037     86:586      87:1316   
  88:926      89:2324     90:209      91:6351     92:1200     93:2374   
  94:2401     95:2807     96:659      97:358      98:941      99:133    
 100:81      101:1282    102:60      103:17680   104:3598    105:239    
 106:662     107:1874    108:704     109:2692    110:1611    111:1778   
 112:1276    113:1265    114:1118    115:1633    116:1648    117:1737   
 118:2194    119:1661    120:978     121:1051    122:2444    123:1802   
 124:1427    125:1906    128:1022    129:643     130:455     131:1600   
 132:665     133:194     134:1019    135:225     136:472     137:556    
 138:1924    139:580     140:393     141:704     142:822     143:978    
 144:796     145:462     146:1180    147:697     148:1597    149:711    
 150:724     151:1057    152:768     153:312     154:1066    155:765    
 156:938     157:792     158:659     159:1739    160:908     161:761    
 162:2579    163:563     164:1056    165:1584    166:448     167:1407   
 168:3084    169:808     170:3707    171:434     172:1054    173:1998   
 174:906     175:769     176:1889    177:3998    178:2450    179:1189   
 180:2249    181:2189    182:2415    183:1152    184:1001    185:13458  
 186:3594    187:2391    188:2812    189:2031    190:8078    191:1462   
 192:9830    193:5915    194:4761    195:3960    196:2538    197:1452   
 198:5545    199:5903    200:7406    201:5013    202:10412   203:10182  
 204:4572    205:2896    206:3099    207:3203    208:3992    209:3953   
 210:4044    211:2111    212:3035    213:2736    214:966     215:60     
 216:5920    217:2127    218:909     219:628     220:1763    221:985    
 222:1039    223:1251   

End of report


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