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[routing-wg] Weekly Routing Table Report
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Routing Analysis Role Account
cscora at apnic.net
Fri Mar 14 19:07:44 CET 2014
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, LacNOG, TRNOG, 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 15 Mar, 2014 Report Website: http://thyme.rand.apnic.net Detailed Analysis: http://thyme.rand.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 486892 Prefixes after maximum aggregation: 192121 Deaggregation factor: 2.53 Unique aggregates announced to Internet: 240652 Total ASes present in the Internet Routing Table: 46343 Prefixes per ASN: 10.51 Origin-only ASes present in the Internet Routing Table: 35634 Origin ASes announcing only one prefix: 16400 Transit ASes present in the Internet Routing Table: 6057 Transit-only ASes present in the Internet Routing Table: 168 Average AS path length visible in the Internet Routing Table: 4.6 Max AS path length visible: 53 Max AS path prepend of ASN ( 50404) 51 Prefixes from unregistered ASNs in the Routing Table: 2802 Unregistered ASNs in the Routing Table: 663 Number of 32-bit ASNs allocated by the RIRs: 6109 Number of 32-bit ASNs visible in the Routing Table: 4652 Prefixes from 32-bit ASNs in the Routing Table: 14980 Number of bogon 32-bit ASNs visible in the Routing Table: 7 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 440 Number of addresses announced to Internet: 2660005124 Equivalent to 158 /8s, 140 /16s and 117 /24s Percentage of available address space announced: 71.8 Percentage of allocated address space announced: 71.8 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 95.9 Total number of prefixes smaller than registry allocations: 169973 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 115497 Total APNIC prefixes after maximum aggregation: 34586 APNIC Deaggregation factor: 3.34 Prefixes being announced from the APNIC address blocks: 118111 Unique aggregates announced from the APNIC address blocks: 49513 APNIC Region origin ASes present in the Internet Routing Table: 4897 APNIC Prefixes per ASN: 24.12 APNIC Region origin ASes announcing only one prefix: 1228 APNIC Region transit ASes present in the Internet Routing Table: 858 Average APNIC Region AS path length visible: 4.6 Max APNIC Region AS path length visible: 39 Number of APNIC region 32-bit ASNs visible in the Routing Table: 869 Number of APNIC addresses announced to Internet: 730595712 Equivalent to 43 /8s, 140 /16s and 1 /24s Percentage of available APNIC address space announced: 85.4 APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431 (pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319, 58368-59391, 63488-63999, 131072-133631 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: 166689 Total ARIN prefixes after maximum aggregation: 82915 ARIN Deaggregation factor: 2.01 Prefixes being announced from the ARIN address blocks: 168137 Unique aggregates announced from the ARIN address blocks: 78297 ARIN Region origin ASes present in the Internet Routing Table: 16185 ARIN Prefixes per ASN: 10.39 ARIN Region origin ASes announcing only one prefix: 6122 ARIN Region transit ASes present in the Internet Routing Table: 1667 Average ARIN Region AS path length visible: 4.0 Max ARIN Region AS path length visible: 21 Number of ARIN region 32-bit ASNs visible in the Routing Table: 73 Number of ARIN addresses announced to Internet: 1066989184 Equivalent to 63 /8s, 152 /16s and 246 /24s Percentage of available ARIN address space announced: 56.4 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: 122591 Total RIPE prefixes after maximum aggregation: 61950 RIPE Deaggregation factor: 1.98 Prefixes being announced from the RIPE address blocks: 126624 Unique aggregates announced from the RIPE address blocks: 80164 RIPE Region origin ASes present in the Internet Routing Table: 17635 RIPE Prefixes per ASN: 7.18 RIPE Region origin ASes announcing only one prefix: 8297 RIPE Region transit ASes present in the Internet Routing Table: 2867 Average RIPE Region AS path length visible: 5.0 Max RIPE Region AS path length visible: 53 Number of RIPE region 32-bit ASNs visible in the Routing Table: 2661 Number of RIPE addresses announced to Internet: 657112964 Equivalent to 39 /8s, 42 /16s and 191 /24s Percentage of available RIPE address space announced: 95.5 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: 54888 Total LACNIC prefixes after maximum aggregation: 9988 LACNIC Deaggregation factor: 5.50 Prefixes being announced from the LACNIC address blocks: 60793 Unique aggregates announced from the LACNIC address blocks: 28005 LACNIC Region origin ASes present in the Internet Routing Table: 2073 LACNIC Prefixes per ASN: 29.33 LACNIC Region origin ASes announcing only one prefix: 547 LACNIC Region transit ASes present in the Internet Routing Table: 425 Average LACNIC Region AS path length visible: 4.8 Max LACNIC Region AS path length visible: 32 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 1036 Number of LACNIC addresses announced to Internet: 153001600 Equivalent to 9 /8s, 30 /16s and 158 /24s Percentage of available LACNIC address space announced: 91.2 LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 262144-263679 plus 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: 12134 Total AfriNIC prefixes after maximum aggregation: 2645 AfriNIC Deaggregation factor: 4.59 Prefixes being announced from the AfriNIC address blocks: 12787 Unique aggregates announced from the AfriNIC address blocks: 4303 AfriNIC Region origin ASes present in the Internet Routing Table: 708 AfriNIC Prefixes per ASN: 18.06 AfriNIC Region origin ASes announcing only one prefix: 206 AfriNIC Region transit ASes present in the Internet Routing Table: 153 Average AfriNIC Region AS path length visible: 4.8 Max AfriNIC Region AS path length visible: 24 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 13 Number of AfriNIC addresses announced to Internet: 51984640 Equivalent to 3 /8s, 25 /16s and 57 /24s Percentage of available AfriNIC address space announced: 51.6 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 2979 11582 896 Korea Telecom 17974 2761 903 78 PT Telekomunikasi Indonesia 7545 2206 320 117 TPG Telecom Limited 4755 1837 396 197 TATA Communications formerly 9829 1585 1285 40 National Internet Backbone 4808 1337 2204 383 CNCGROUP IP network China169 9583 1307 102 533 Sify Limited 9498 1243 311 76 BHARTI Airtel Ltd. 7552 1239 1082 13 Viettel Corporation 24560 1123 384 176 Bharti Airtel Ltd., Telemedia 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 6389 3019 3688 53 BellSouth.net Inc. 22773 2416 2938 140 Cox Communications Inc. 1785 2184 693 128 PaeTec Communications, Inc. 18566 2048 379 178 MegaPath Corporation 20115 1693 1673 578 Charter Communications 4323 1620 1089 413 tw telecom holdings, inc. 701 1492 11174 763 MCI Communications Services, 30036 1386 298 555 Mediacom Communications Corp 6983 1328 816 309 ITC^Deltacom 22561 1300 401 228 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 8402 1731 544 16 OJSC "Vimpelcom" 34984 1505 264 248 TELLCOM ILETISIM HIZMETLERI A 20940 1304 511 972 Akamai International B.V. 13188 1047 100 34 TOV "Bank-Inform" 31148 1017 45 21 Freenet Ltd. 8551 943 370 41 Bezeq International-Ltd 6849 831 361 34 JSC "Ukrtelecom" 6830 762 2329 425 Liberty Global Operations B.V 12479 712 798 51 France Telecom Espana SA 35228 555 246 16 Telefonica UK Limited 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 28573 3547 1939 94 NET Serviços de Comunicação S 10620 2771 443 202 Telmex Colombia S.A. 18881 1916 972 21 Global Village Telecom 7303 1752 1172 222 Telecom Argentina S.A. 8151 1388 2914 414 Uninet S.A. de C.V. 6503 1043 434 61 Axtel, S.A.B. de C.V. 7738 911 1754 40 Telemar Norte Leste S.A. 11830 866 364 15 Instituto Costarricense de El 27947 854 113 48 Telconet S.A 3816 786 319 128 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 36998 1638 240 6 Sudanese Mobile Telephone (ZA 24863 873 376 27 Link Egypt (Link.NET) 6713 603 701 28 Office National des Postes et 8452 529 958 13 TE-AS 24835 299 144 9 Vodafone Data 36992 274 783 24 ETISALAT MISR 3741 248 921 209 Internet Solutions 15706 219 32 6 Sudatel (Sudan Telecom Co. Lt 29571 210 22 17 Cote d'Ivoire Telecom 29975 192 668 21 Vodacom 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 28573 3547 1939 94 NET Serviços de Comunicação S 6389 3019 3688 53 BellSouth.net Inc. 4766 2979 11582 896 Korea Telecom 10620 2771 443 202 Telmex Colombia S.A. 17974 2761 903 78 PT Telekomunikasi Indonesia 22773 2416 2938 140 Cox Communications Inc. 7545 2206 320 117 TPG Telecom Limited 1785 2184 693 128 PaeTec Communications, Inc. 18566 2048 379 178 MegaPath Corporation 18881 1916 972 21 Global Village Telecom Complete listing at http://thyme.rand.apnic.net/current/data-ASnet Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 6389 3019 2966 BellSouth.net Inc. 17974 2761 2683 PT Telekomunikasi Indonesia 10620 2771 2569 Telmex Colombia S.A. 22773 2416 2276 Cox Communications Inc. 7545 2206 2089 TPG Telecom Limited 4766 2979 2083 Korea Telecom 1785 2184 2056 PaeTec Communications, Inc. 18881 1916 1895 Global Village Telecom 18566 2048 1870 MegaPath Corporation 8402 1731 1715 OJSC "Vimpelcom" 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 30097 UNALLOCATED 8.3.250.0/23 3356 Level 3 Communicatio 14728 UNALLOCATED 8.8.192.0/23 3356 Level 3 Communicatio 14728 UNALLOCATED 8.8.196.0/22 3356 Level 3 Communicatio 14728 UNALLOCATED 8.8.200.0/23 3356 Level 3 Communicatio 14728 UNALLOCATED 8.8.202.0/23 3356 Level 3 Communicatio 53506 UNALLOCATED 8.17.102.0/23 2828 XO Communications 20260 UNALLOCATED 8.25.160.0/24 3356 Level 3 Communicatio 20260 UNALLOCATED 8.25.161.0/24 3356 Level 3 Communicatio 46473 UNALLOCATED 8.27.122.0/24 12180 Internap Network Ser Complete listing at http://thyme.rand.apnic.net/current/data-badAS Advertised Unallocated Addresses -------------------------------- Network Origin AS Description 27.100.7.0/24 56096 >>UNKNOWN<< 41.73.1.0/24 37004 >>UNKNOWN<< 41.73.2.0/24 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<< 41.73.14.0/24 37004 >>UNKNOWN<< 41.73.15.0/24 37004 >>UNKNOWN<< 41.73.16.0/24 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 /10:30 /11:90 /12:255 /13:477 /14:951 /15:1653 /16:12868 /17:6772 /18:11510 /19:23911 /20:33757 /21:36439 /22:52081 /23:45376 /24:258473 /25:787 /26:937 /27:421 /28:12 /29:18 /30:7 /31:1 /32:38 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 18566 2003 2048 MegaPath Corporation 6389 1696 3019 BellSouth.net Inc. 22773 1654 2416 Cox Communications Inc. 36998 1599 1638 Sudanese Mobile Telephone (ZA 8402 1417 1731 OJSC "Vimpelcom" 30036 1224 1386 Mediacom Communications Corp 11492 1176 1223 CABLE ONE, INC. 1785 1169 2184 PaeTec Communications, Inc. 6983 1043 1328 ITC^Deltacom 34984 1000 1505 TELLCOM ILETISIM HIZMETLERI A Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:991 2:733 3:3 4:16 5:916 6:19 8:660 12:1861 13:4 14:958 15:13 16:3 17:29 18:21 20:35 23:700 24:1728 27:1767 31:1495 32:44 33:2 34:5 36:119 37:1809 38:929 39:4 40:190 41:3177 42:246 44:18 46:2136 47:15 49:671 50:916 52:12 54:47 55:7 57:26 58:1171 59:593 60:380 61:1511 62:1241 63:1994 64:4370 65:2254 66:4237 67:2055 68:1033 69:3297 70:854 71:460 72:1969 74:2664 75:314 76:396 77:1211 78:1045 79:691 80:1303 81:1109 82:671 83:746 84:750 85:1295 86:439 87:1205 88:523 89:1742 90:150 91:5774 92:662 93:1697 94:2055 95:1514 96:538 97:352 98:1099 99:42 100:50 101:804 103:4444 105:552 106:166 107:567 108:551 109:1993 110:996 111:1293 112:628 113:831 114:871 115:1106 116:1041 117:845 118:1348 119:1312 120:362 121:786 122:1909 123:1272 124:1447 125:1452 128:644 129:246 130:352 131:657 132:360 133:159 134:317 135:74 136:268 137:319 138:349 139:159 140:213 141:362 142:558 143:417 144:503 145:106 146:598 147:463 148:791 149:343 150:161 151:578 152:422 153:204 154:100 155:463 156:336 157:367 158:220 159:872 160:354 161:474 162:1237 163:220 164:690 165:622 166:280 167:601 168:1028 169:124 170:1253 171:195 172:20 173:1621 174:679 175:602 176:1477 177:2795 178:1968 179:584 180:1653 181:1013 182:1512 183:506 184:716 185:1394 186:2812 187:1473 188:1876 189:1334 190:7448 191:121 192:7160 193:5456 194:4029 195:3380 196:1352 197:1134 198:4978 199:5590 200:6041 201:2697 202:8957 203:8877 204:4659 205:2665 206:2961 207:2914 208:3963 209:3738 210:3075 211:1682 212:2225 213:2037 214:891 215:84 216:5522 217:1677 218:560 219:321 220:1284 221:592 222:343 223:609 End of report
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