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[routing-wg] Weekly Routing Table Report
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Routing Analysis Role Account
cscora at apnic.net
Fri Mar 27 19:13:01 CET 2015
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, CaribNOG and the RIPE Routing Working Group. Daily listings are sent to bgp-stats at lists.apnic.net For historical data, please see http://thyme.rand.apnic.net. If you have any comments please contact Philip Smith <pfsinoz at gmail.com>. Routing Table Report 04:00 +10GMT Sat 28 Mar, 2015 Report Website: http://thyme.rand.apnic.net Detailed Analysis: http://thyme.rand.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 539583 Prefixes after maximum aggregation (per Origin AS): 205817 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 262661 Total ASes present in the Internet Routing Table: 49834 Prefixes per ASN: 10.83 Origin-only ASes present in the Internet Routing Table: 36546 Origin ASes announcing only one prefix: 16280 Transit ASes present in the Internet Routing Table: 6292 Transit-only ASes present in the Internet Routing Table: 172 Average AS path length visible in the Internet Routing Table: 4.5 Max AS path length visible: 59 Max AS path prepend of ASN ( 55644) 56 Prefixes from unregistered ASNs in the Routing Table: 1158 Unregistered ASNs in the Routing Table: 415 Number of 32-bit ASNs allocated by the RIRs: 9001 Number of 32-bit ASNs visible in the Routing Table: 6996 Prefixes from 32-bit ASNs in the Routing Table: 25268 Number of bogon 32-bit ASNs visible in the Routing Table: 4 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 361 Number of addresses announced to Internet: 2737519268 Equivalent to 163 /8s, 43 /16s and 58 /24s Percentage of available address space announced: 73.9 Percentage of allocated address space announced: 73.9 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 97.3 Total number of prefixes smaller than registry allocations: 182122 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 132907 Total APNIC prefixes after maximum aggregation: 38646 APNIC Deaggregation factor: 3.44 Prefixes being announced from the APNIC address blocks: 138626 Unique aggregates announced from the APNIC address blocks: 56513 APNIC Region origin ASes present in the Internet Routing Table: 5030 APNIC Prefixes per ASN: 27.56 APNIC Region origin ASes announcing only one prefix: 1211 APNIC Region transit ASes present in the Internet Routing Table: 882 Average APNIC Region AS path length visible: 4.5 Max APNIC Region AS path length visible: 59 Number of APNIC region 32-bit ASNs visible in the Routing Table: 1362 Number of APNIC addresses announced to Internet: 747670784 Equivalent to 44 /8s, 144 /16s and 141 /24s Percentage of available APNIC address space announced: 87.4 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: 178044 Total ARIN prefixes after maximum aggregation: 87849 ARIN Deaggregation factor: 2.03 Prefixes being announced from the ARIN address blocks: 180012 Unique aggregates announced from the ARIN address blocks: 84168 ARIN Region origin ASes present in the Internet Routing Table: 16527 ARIN Prefixes per ASN: 10.89 ARIN Region origin ASes announcing only one prefix: 6081 ARIN Region transit ASes present in the Internet Routing Table: 1707 Average ARIN Region AS path length visible: 3.8 Max ARIN Region AS path length visible: 24 Number of ARIN region 32-bit ASNs visible in the Routing Table: 381 Number of ARIN addresses announced to Internet: 1062623008 Equivalent to 63 /8s, 86 /16s and 87 /24s Percentage of available ARIN address space announced: 56.2 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, 393216-394239 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: 130363 Total RIPE prefixes after maximum aggregation: 65087 RIPE Deaggregation factor: 2.00 Prefixes being announced from the RIPE address blocks: 136856 Unique aggregates announced from the RIPE address blocks: 84369 RIPE Region origin ASes present in the Internet Routing Table: 17922 RIPE Prefixes per ASN: 7.64 RIPE Region origin ASes announcing only one prefix: 8164 RIPE Region transit ASes present in the Internet Routing Table: 2965 Average RIPE Region AS path length visible: 4.9 Max RIPE Region AS path length visible: 32 Number of RIPE region 32-bit ASNs visible in the Routing Table: 3554 Number of RIPE addresses announced to Internet: 694483588 Equivalent to 41 /8s, 100 /16s and 250 /24s Percentage of available RIPE address space announced: 101.0 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, 196608-202239 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: 60045 Total LACNIC prefixes after maximum aggregation: 11190 LACNIC Deaggregation factor: 5.37 Prefixes being announced from the LACNIC address blocks: 69828 Unique aggregates announced from the LACNIC address blocks: 32119 LACNIC Region origin ASes present in the Internet Routing Table: 2422 LACNIC Prefixes per ASN: 28.83 LACNIC Region origin ASes announcing only one prefix: 624 LACNIC Region transit ASes present in the Internet Routing Table: 497 Average LACNIC Region AS path length visible: 4.9 Max LACNIC Region AS path length visible: 25 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 1593 Number of LACNIC addresses announced to Internet: 168156416 Equivalent to 10 /8s, 5 /16s and 221 /24s Percentage of available LACNIC address space announced: 100.2 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: 12772 Total AfriNIC prefixes after maximum aggregation: 3001 AfriNIC Deaggregation factor: 4.26 Prefixes being announced from the AfriNIC address blocks: 13900 Unique aggregates announced from the AfriNIC address blocks: 5166 AfriNIC Region origin ASes present in the Internet Routing Table: 735 AfriNIC Prefixes per ASN: 18.91 AfriNIC Region origin ASes announcing only one prefix: 200 AfriNIC Region transit ASes present in the Internet Routing Table: 157 Average AfriNIC Region AS path length visible: 4.5 Max AfriNIC Region AS path length visible: 24 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 106 Number of AfriNIC addresses announced to Internet: 64134656 Equivalent to 3 /8s, 210 /16s and 158 /24s Percentage of available AfriNIC address space announced: 63.7 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 4766 2865 11553 913 Korea Telecom 17974 2795 904 78 PT Telekomunikasi Indonesia 7545 2549 336 128 TPG Telecom Limited 4755 1999 422 212 TATA Communications formerly 4538 1757 4190 71 China Education and Research 9829 1683 1324 35 National Internet Backbone 9808 1553 8717 28 Guangdong Mobile Communicatio 4808 1486 2255 440 CNCGROUP IP network China169 9583 1405 116 574 Sify Limited 9498 1312 334 94 BHARTI Airtel Ltd. 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 3016 2956 142 Cox Communications Inc. 6389 2891 3688 51 BellSouth.net Inc. 3356 2548 10683 476 Level 3 Communications, Inc. 18566 2041 379 183 MegaPath Corporation 20115 1849 1832 429 Charter Communications 6983 1705 866 245 EarthLink, Inc. 4323 1620 1021 409 tw telecom holdings, inc. 30036 1528 312 503 Mediacom Communications Corp 701 1388 11270 676 MCI Communications Services, 22561 1337 412 242 CenturyTel Internet Holdings, 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 2472 128 6 SaudiNet, Saudi Telecom Compa 34984 1980 303 361 TELLCOM ILETISIM HIZMETLERI A 20940 1663 640 1232 Akamai International B.V. 8402 1333 544 15 OJSC "Vimpelcom" 6849 1212 356 24 JSC "Ukrtelecom" 31148 1046 45 21 Freenet Ltd. 13188 1024 96 72 TOV "Bank-Inform" 8551 894 373 48 Bezeq International-Ltd 12479 891 801 79 France Telecom Espana SA 9198 857 349 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 3153 514 209 Telmex Colombia S.A. 28573 2389 2173 118 NET Serviços de Comunicação S 7303 1752 1150 237 Telecom Argentina S.A. 8151 1557 3152 451 Uninet S.A. de C.V. 28024 1527 105 8 Nuevatel PCS de Bolivia S.A. 6503 1209 421 57 Axtel, S.A.B. de C.V. 6147 1044 374 30 Telefonica del Peru S.A.A. 7738 1001 1882 42 Telemar Norte Leste S.A. 26615 972 2325 35 Tim Celular S.A. 3816 921 414 153 COLOMBIA TELECOMUNICACIONES 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 8452 1683 958 13 TE-AS 24863 956 284 27 Link Egypt (Link.NET) 36903 479 241 90 Office National des Postes et 36992 417 1101 32 ETISALAT MISR 37492 317 159 70 Orange Tunisie 24835 299 144 9 Vodafone Data 3741 249 857 208 Internet Solutions 29571 232 21 13 Cote d'Ivoire Telecom 36947 189 807 13 Telecom Algeria 15706 172 32 6 Sudatel (Sudan Telecom Co. Lt 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 10620 3153 514 209 Telmex Colombia S.A. 22773 3016 2956 142 Cox Communications Inc. 6389 2891 3688 51 BellSouth.net Inc. 4766 2865 11553 913 Korea Telecom 17974 2795 904 78 PT Telekomunikasi Indonesia 7545 2549 336 128 TPG Telecom Limited 3356 2548 10683 476 Level 3 Communications, Inc. 39891 2472 128 6 SaudiNet, Saudi Telecom Compa 28573 2389 2173 118 NET Serviços de Comunicação S 18566 2041 379 183 MegaPath Corporation Complete listing at http://thyme.rand.apnic.net/current/data-ASnet Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 22773 3016 2874 Cox Communications Inc. 6389 2891 2840 BellSouth.net Inc. 17974 2795 2717 PT Telekomunikasi Indonesia 39891 2472 2466 SaudiNet, Saudi Telecom Compa 7545 2549 2421 TPG Telecom Limited 28573 2389 2271 NET Serviços de Comunicação S 3356 2548 2072 Level 3 Communications, Inc. 4766 2865 1952 Korea Telecom 18566 2041 1858 MegaPath Corporation 4755 1999 1787 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 18985 UNALLOCATED 8.21.68.0/22 3356 Level 3 Communicatio 46473 UNALLOCATED 8.27.122.0/24 12180 Internap Network Ser 46473 UNALLOCATED 8.27.124.0/24 12180 Internap Network Ser 27205 UNALLOCATED 8.38.16.0/21 6461 Abovenet Communicati 15347 UNALLOCATED 8.224.147.0/24 12064 Cox Communications I 33628 UNALLOCATED 12.0.239.0/24 1239 Sprint 32805 UNALLOCATED 12.1.225.0/24 7018 AT&T Services, Inc. Complete listing at http://thyme.rand.apnic.net/current/data-badAS Advertised Unallocated Addresses -------------------------------- Network Origin AS Description 5.100.241.0/24 23456 32bit Transition AS 23.226.112.0/20 62788 Bitfinite LLC 27.100.7.0/24 56096 >>UNKNOWN<< 31.217.248.0/21 44902 COVAGE NETWORKS SASU 41.73.1.0/24 37004 >>UNKNOWN<< 41.73.10.0/24 37004 >>UNKNOWN<< 41.73.11.0/24 37004 >>UNKNOWN<< 41.73.12.0/24 37004 >>UNKNOWN<< 41.73.13.0/24 37004 >>UNKNOWN<< 41.73.15.0/24 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 /9:12 /10:34 /11:92 /12:264 /13:508 /14:998 /15:1719 /16:12962 /17:7200 /18:12232 /19:25237 /20:35823 /21:38575 /22:58422 /23:50965 /24:291542 /25:1108 /26:1171 /27:657 /28:14 /29:11 /30:8 /31:0 /32:13 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 39891 2432 2472 SaudiNet, Saudi Telecom Compa 22773 2228 3016 Cox Communications Inc. 18566 1996 2041 MegaPath Corporation 6389 1671 2891 BellSouth.net Inc. 30036 1374 1528 Mediacom Communications Corp 6983 1352 1705 EarthLink, Inc. 34984 1285 1980 TELLCOM ILETISIM HIZMETLERI A 10620 1112 3153 Telmex Colombia S.A. 11492 1101 1164 CABLE ONE, INC. 22561 1012 1337 CenturyTel Internet Holdings, Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1534 2:650 3:1 4:94 5:1760 6:21 8:1441 12:1828 13:4 14:1316 15:17 16:2 17:45 18:21 20:49 23:1203 24:1686 27:1856 31:1521 32:39 33:2 34:5 35:3 36:119 37:1884 38:1013 39:10 40:245 41:3024 42:264 43:1235 44:26 45:316 46:2138 47:36 49:881 50:800 52:12 54:69 55:4 56:8 57:37 58:1220 59:685 60:466 61:1769 62:1319 63:1911 64:4439 65:2262 66:4114 67:2048 68:1077 69:3263 70:956 71:441 72:1957 74:2653 75:321 76:406 77:1517 78:1270 79:807 80:1315 81:1352 82:818 83:678 84:678 85:1367 86:384 87:1069 88:516 89:1772 90:151 91:5945 92:823 93:2178 94:1971 95:2079 96:428 97:344 98:1071 99:47 100:68 101:809 103:7049 104:1464 105:62 106:225 107:914 108:616 109:1992 110:1079 111:1481 112:769 113:1057 114:837 115:1245 116:1364 117:1014 118:1696 119:1436 120:443 121:1040 122:2186 123:1734 124:1505 125:1579 128:624 129:377 130:383 131:1149 132:478 133:167 134:416 135:113 136:306 137:308 138:552 139:163 140:221 141:422 142:666 143:461 144:563 145:108 146:710 147:592 148:1118 149:461 150:556 151:605 152:493 153:240 154:378 155:737 156:410 157:333 158:314 159:980 160:374 161:1159 162:1950 163:415 164:659 165:685 166:286 167:802 168:1271 169:157 170:1464 171:238 172:41 173:1538 174:701 175:664 176:1430 177:3773 178:2050 179:1379 180:1924 181:1772 182:1738 183:615 184:738 185:3172 186:2760 187:1792 188:2007 189:1568 190:7415 191:969 192:8192 193:5600 194:4094 195:3658 196:1732 197:1075 198:5498 199:5516 200:6529 201:2990 202:9494 203:9078 204:4708 205:2819 206:3070 207:3009 208:3945 209:3930 210:3519 211:1865 212:2466 213:2274 214:855 215:70 216:5587 217:1808 218:675 219:451 220:1432 221:790 222:466 223:667 End of report
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