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 NANOG, AfNOG, AusNOG, SANOG, PacNOG, LacNOG and the RIPE Routing Working Group. Daily listings are sent to bgp-stats@lists.apnic.net For historical data, please see http://thyme.apnic.net. If you have any comments please contact Philip Smith <pfs@cisco.com>. Routing Table Report 04:00 +10GMT Sat 24 Jul, 2010 Report Website: http://thyme.apnic.net Detailed Analysis: http://thyme.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 326536 Prefixes after maximum aggregation: 150103 Deaggregation factor: 2.18 Unique aggregates announced to Internet: 159244 Total ASes present in the Internet Routing Table: 34425 Prefixes per ASN: 9.49 Origin-only ASes present in the Internet Routing Table: 29885 Origin ASes announcing only one prefix: 14463 Transit ASes present in the Internet Routing Table: 4540 Transit-only ASes present in the Internet Routing Table: 105 Average AS path length visible in the Internet Routing Table: 3.6 Max AS path length visible: 26 Max AS path prepend of ASN (41664) 21 Prefixes from unregistered ASNs in the Routing Table: 304 Unregistered ASNs in the Routing Table: 118 Number of 32-bit ASNs allocated by the RIRs: 701 Prefixes from 32-bit ASNs in the Routing Table: 851 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 162 Number of addresses announced to Internet: 2277322752 Equivalent to 135 /8s, 189 /16s and 48 /24s Percentage of available address space announced: 61.4 Percentage of allocated address space announced: 66.2 Percentage of available address space allocated: 92.8 Percentage of address space in use by end-sites: 83.9 Total number of prefixes smaller than registry allocations: 155564 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 79446 Total APNIC prefixes after maximum aggregation: 27173 APNIC Deaggregation factor: 2.92 Prefixes being announced from the APNIC address blocks: 76327 Unique aggregates announced from the APNIC address blocks: 33533 APNIC Region origin ASes present in the Internet Routing Table: 4123 APNIC Prefixes per ASN: 18.51 APNIC Region origin ASes announcing only one prefix: 1135 APNIC Region transit ASes present in the Internet Routing Table: 637 Average APNIC Region AS path length visible: 3.7 Max APNIC Region AS path length visible: 15 Number of APNIC addresses announced to Internet: 532226080 Equivalent to 31 /8s, 185 /16s and 32 /24s Percentage of available APNIC address space announced: 79.3 APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431 (pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079 55296-56319, 131072-132095 APNIC Address Blocks 1/8, 14/8, 27/8, 43/8, 58/8, 59/8, 60/8, 61/8, 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, 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: 134651 Total ARIN prefixes after maximum aggregation: 69494 ARIN Deaggregation factor: 1.94 Prefixes being announced from the ARIN address blocks: 107489 Unique aggregates announced from the ARIN address blocks: 42017 ARIN Region origin ASes present in the Internet Routing Table: 13802 ARIN Prefixes per ASN: 7.79 ARIN Region origin ASes announcing only one prefix: 5273 ARIN Region transit ASes present in the Internet Routing Table: 1358 Average ARIN Region AS path length visible: 3.4 Max ARIN Region AS path length visible: 22 Number of ARIN addresses announced to Internet: 729830688 Equivalent to 43 /8s, 128 /16s and 85 /24s Percentage of available ARIN address space announced: 62.1 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, 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, 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, 54/8, 55/8, 56/8, 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, 107/8, 108/8, 173/8, 174/8, 184/8, 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: 75032 Total RIPE prefixes after maximum aggregation: 43448 RIPE Deaggregation factor: 1.73 Prefixes being announced from the RIPE address blocks: 68199 Unique aggregates announced from the RIPE address blocks: 44519 RIPE Region origin ASes present in the Internet Routing Table: 14632 RIPE Prefixes per ASN: 4.66 RIPE Region origin ASes announcing only one prefix: 7521 RIPE Region transit ASes present in the Internet Routing Table: 2185 Average RIPE Region AS path length visible: 3.9 Max RIPE Region AS path length visible: 24 Number of RIPE addresses announced to Internet: 433475968 Equivalent to 25 /8s, 214 /16s and 81 /24s Percentage of available RIPE address space announced: 76.0 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, 196608-197631 RIPE Address Blocks 2/8, 25/8, 31/8, 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, 176/8, 178/8, 193/8, 194/8, 195/8, 212/8, 213/8, 217/8, LACNIC Region Analysis Summary ------------------------------ Prefixes being announced by LACNIC Region ASes: 29026 Total LACNIC prefixes after maximum aggregation: 6973 LACNIC Deaggregation factor: 4.16 Prefixes being announced from the LACNIC address blocks: 27538 Unique aggregates announced from the LACNIC address blocks: 14474 LACNIC Region origin ASes present in the Internet Routing Table: 1311 LACNIC Prefixes per ASN: 21.01 LACNIC Region origin ASes announcing only one prefix: 414 LACNIC Region transit ASes present in the Internet Routing Table: 232 Average LACNIC Region AS path length visible: 3.9 Max LACNIC Region AS path length visible: 26 Number of LACNIC addresses announced to Internet: 75723840 Equivalent to 4 /8s, 131 /16s and 116 /24s Percentage of available LACNIC address space announced: 56.4 LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 262144-263167 plus ERX transfers LACNIC Address Blocks 177/8, 181/8, 186/8, 187/8, 189/8, 190/8, 200/8, 201/8, AfriNIC Region Analysis Summary ------------------------------- Prefixes being announced by AfriNIC Region ASes: 7279 Total AfriNIC prefixes after maximum aggregation: 1870 AfriNIC Deaggregation factor: 3.89 Prefixes being announced from the AfriNIC address blocks: 5589 Unique aggregates announced from the AfriNIC address blocks: 1640 AfriNIC Region origin ASes present in the Internet Routing Table: 383 AfriNIC Prefixes per ASN: 14.59 AfriNIC Region origin ASes announcing only one prefix: 120 AfriNIC Region transit ASes present in the Internet Routing Table: 84 Average AfriNIC Region AS path length visible: 3.7 Max AfriNIC Region AS path length visible: 14 Number of AfriNIC addresses announced to Internet: 19892224 Equivalent to 1 /8s, 47 /16s and 136 /24s Percentage of available AfriNIC address space announced: 59.3 AfriNIC AS Blocks 36864-37887, 327680-328703 & ERX transfers AfriNIC Address Blocks 41/8, 197/8, APNIC Region per AS prefix count summary ---------------------------------------- ASN No of nets /20 equiv MaxAgg Description 4766 1857 8409 489 Korea Telecom (KIX) 4755 1474 298 160 TATA Communications formerly 7545 1361 232 104 TPG Internet Pty Ltd 17488 1334 147 128 Hathway IP Over Cable Interne 17974 1179 286 55 PT TELEKOMUNIKASI INDONESIA 9583 1002 74 486 Sify Limited 24560 985 304 179 Bharti Airtel Ltd., Telemedia 4808 827 1575 219 CNCGROUP IP network: China169 9829 813 685 32 BSNL National Internet Backbo 4134 783 21740 411 CHINANET-BACKBONE Complete listing at http://thyme.apnic.net/current/data-ASnet-APNIC ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 6389 3889 3718 287 bellsouth.net, inc. 4323 2723 1112 393 Time Warner Telecom 19262 1942 4567 278 Verizon Global Networks 1785 1780 698 129 PaeTec Communications, Inc. 20115 1488 1522 654 Charter Communications 7018 1477 5734 960 AT&T WorldNet Services 2386 1287 568 909 AT&T Data Communications Serv 6478 1261 252 187 AT&T Worldnet Services 22773 1172 2858 61 Cox Communications, Inc. 3356 1159 10878 403 Level 3 Communications, LLC Complete listing at http://thyme.apnic.net/current/data-ASnet-ARIN RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 35805 653 56 6 United Telecom of Georgia 9198 497 202 13 Kazakhtelecom Data Network Ad 3292 449 2026 390 TDC Tele Danmark 30890 442 111 206 Evolva Telecom 702 413 1869 325 UUNET - Commercial IP service 8866 403 117 18 Bulgarian Telecommunication C 8551 401 353 46 Bezeq International 3320 375 7329 326 Deutsche Telekom AG 3301 371 1414 326 TeliaNet Sweden 34984 363 89 183 BILISIM TELEKOM Complete listing at http://thyme.apnic.net/current/data-ASnet-RIPE LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 1460 3049 251 UniNet S.A. de C.V. 10620 1072 240 149 TVCABLE BOGOTA 28573 1011 818 100 NET Servicos de Comunicao S.A 7303 768 396 103 Telecom Argentina Stet-France 6503 700 177 218 AVANTEL, S.A. 22047 553 310 15 VTR PUNTO NET S.A. 14420 499 32 72 CORPORACION NACIONAL DE TELEC 3816 492 208 87 Empresa Nacional de Telecomun 7738 477 922 30 Telecomunicacoes da Bahia S.A 11172 448 99 76 Servicios Alestra S.A de C.V Complete listing at http://thyme.apnic.net/current/data-ASnet-LACNIC AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 8452 1107 445 10 TEDATA 24863 727 147 39 LINKdotNET AS number 36992 651 279 185 Etisalat MISR 3741 269 898 231 The Internet Solution 33776 220 12 12 Starcomms Nigeria Limited 2018 210 245 62 Tertiary Education Network 6713 195 186 16 Itissalat Al-MAGHRIB 24835 189 78 9 RAYA Telecom - Egypt 29571 183 19 10 Ci Telecom Autonomous system 16637 159 423 93 MTN Network Solutions Complete listing at http://thyme.apnic.net/current/data-ASnet-AFRINIC Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv MaxAgg Description 6389 3889 3718 287 bellsouth.net, inc. 4323 2723 1112 393 Time Warner Telecom 19262 1942 4567 278 Verizon Global Networks 4766 1857 8409 489 Korea Telecom (KIX) 1785 1780 698 129 PaeTec Communications, Inc. 20115 1488 1522 654 Charter Communications 7018 1477 5734 960 AT&T WorldNet Services 4755 1474 298 160 TATA Communications formerly 8151 1460 3049 251 UniNet S.A. de C.V. 7545 1361 232 104 TPG Internet Pty Ltd Complete listing at http://thyme.apnic.net/current/data-ASnet Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 4323 2723 2330 Time Warner Telecom 19262 1942 1664 Verizon Global Networks 1785 1780 1651 PaeTec Communications, Inc. 4766 1857 1368 Korea Telecom (KIX) 4755 1474 1314 TATA Communications formerly 7545 1361 1257 TPG Internet Pty Ltd 8151 1460 1209 UniNet S.A. de C.V. 17488 1334 1206 Hathway IP Over Cable Interne 17974 1179 1124 PT TELEKOMUNIKASI INDONESIA 22773 1172 1111 Cox Communications, Inc. Complete listing at http://thyme.apnic.net/current/data-CIDRnet List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Network Transit AS Description 16927 UNALLOCATED 12.0.252.0/23 7018 AT&T WorldNet Servic 15132 UNALLOCATED 12.9.150.0/24 7018 AT&T WorldNet Servic 32567 UNALLOCATED 12.14.170.0/24 7018 AT&T WorldNet Servic 13746 UNALLOCATED 12.24.56.0/24 7018 AT&T WorldNet Servic 32567 UNALLOCATED 12.25.107.0/24 7018 AT&T WorldNet Servic 26973 UNALLOCATED 12.39.152.0/24 7018 AT&T WorldNet Servic 26973 UNALLOCATED 12.39.154.0/23 7018 AT&T WorldNet Servic 26973 UNALLOCATED 12.39.155.0/24 7018 AT&T WorldNet Servic 26973 UNALLOCATED 12.39.159.0/24 7018 AT&T WorldNet Servic 25639 UNALLOCATED 12.41.169.0/24 7018 AT&T WorldNet Servic Complete listing at http://thyme.apnic.net/current/data-badAS Advertised Unallocated Addresses -------------------------------- Network Origin AS Description 31.0.0.0/16 12654 RIPE NCC RIS Project 31.1.0.0/21 12654 RIPE NCC RIS Project 31.1.24.0/24 12654 RIPE NCC RIS Project 41.222.79.0/24 36938 >>UNKNOWN<< 41.223.92.0/22 36936 >>UNKNOWN<< 41.223.188.0/24 22351 Intelsat 41.223.189.0/24 6453 Teleglobe Inc. 41.223.196.0/24 36990 Alkan Telecom Ltd 41.223.197.0/24 36990 Alkan Telecom Ltd 41.223.198.0/24 36990 Alkan Telecom Ltd Complete listing at http://thyme.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 /8:21 /9:10 /10:25 /11:68 /12:198 /13:408 /14:710 /15:1296 /16:11185 /17:5336 /18:9163 /19:18517 /20:23089 /21:23139 /22:30043 /23:29643 /24:170473 /25:1046 /26:1310 /27:768 /28:28 /29:47 /30:6 /31:0 /32:7 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 6389 2490 3889 bellsouth.net, inc. 4766 1487 1857 Korea Telecom (KIX) 4323 1394 2723 Time Warner Telecom 1785 1242 1780 PaeTec Communications, Inc. 17488 1078 1334 Hathway IP Over Cable Interne 18566 1069 1088 Covad Communications 11492 1067 1158 Cable One 8452 1000 1107 TEDATA 10620 988 1072 TVCABLE BOGOTA 19262 912 1942 Verizon Global Networks Complete listing at http://thyme.apnic.net/current/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:12 2:2 4:13 8:290 12:2018 13:7 14:1 15:21 16:3 17:8 20:6 24:1463 27:251 31:1 32:49 33:12 38:691 40:98 41:2441 44:3 46:10 47:17 52:9 55:5 56:2 57:28 58:761 59:504 60:462 61:1068 62:1034 63:1972 64:3693 65:2344 66:4046 67:1823 68:1093 69:2705 70:708 71:446 72:1946 73:2 74:2261 75:250 76:318 77:900 78:622 79:433 80:995 81:767 82:495 83:439 84:682 85:1044 86:457 87:685 88:340 89:1560 90:95 91:2895 92:506 93:991 94:1403 95:654 96:528 97:210 98:614 99:33 108:105 109:583 110:391 111:533 112:287 113:327 114:437 115:573 116:1083 117:654 118:481 119:877 120:135 121:727 122:1564 123:948 124:1115 125:1312 128:227 129:198 130:193 131:557 132:247 133:17 134:195 135:45 136:242 137:145 138:265 139:104 140:484 141:196 142:342 143:373 144:465 145:50 146:450 147:168 148:662 149:290 150:155 151:230 152:296 153:168 154:2 155:357 156:159 157:324 158:110 159:357 160:317 161:183 162:255 163:174 164:410 165:367 166:460 167:414 168:646 169:157 170:716 171:59 172:2 173:950 174:502 175:152 176:1 178:314 180:466 182:198 183:240 184:115 186:519 187:379 188:1012 189:750 190:3817 192:5742 193:4721 194:3408 195:2808 196:1188 198:3572 199:3480 200:5324 201:1551 202:7989 203:8353 204:4073 205:2311 206:2493 207:3112 208:3866 209:3458 210:2558 211:1272 212:1712 213:1661 214:641 215:69 216:4715 217:1522 218:500 219:485 220:1144 221:402 222:317 223:1 End of report