This is an automated weekly mailing describing the state of the Internet Routing Table as seen from APNIC's router in Japan. 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 04 Oct, 2008 Report Website: http://thyme.apnic.net Detailed Analysis: http://thyme.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 270385 Prefixes after maximum aggregation: 130450 Deaggregation factor: 2.07 Unique aggregates announced to Internet: 131768 Total ASes present in the Internet Routing Table: 29399 Prefixes per ASN: 9.20 Origin-only ASes present in the Internet Routing Table: 25577 Origin ASes announcing only one prefix: 12464 Transit ASes present in the Internet Routing Table: 3822 Transit-only ASes present in the Internet Routing Table: 79 Average AS path length visible in the Internet Routing Table: 3.6 Max AS path length visible: 26 Max AS path prepend of ASN ( 3816) 15 Prefixes from unregistered ASNs in the Routing Table: 560 Unregistered ASNs in the Routing Table: 200 Number of 32-bit ASNs allocated by the RIRs: 61 Prefixes from 32-bit ASNs in the Routing Table: 10 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 752 Number of addresses announced to Internet: 1909012352 Equivalent to 113 /8s, 201 /16s and 55 /24s Percentage of available address space announced: 51.5 Percentage of allocated address space announced: 62.5 Percentage of available address space allocated: 82.3 Percentage of address space in use by end-sites: 73.7 Total number of prefixes smaller than registry allocations: 132791 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 62421 Total APNIC prefixes after maximum aggregation: 23127 APNIC Deaggregation factor: 2.70 Prefixes being announced from the APNIC address blocks: 59307 Unique aggregates announced from the APNIC address blocks: 26669 APNIC Region origin ASes present in the Internet Routing Table: 3389 APNIC Prefixes per ASN: 17.50 APNIC Region origin ASes announcing only one prefix: 903 APNIC Region transit ASes present in the Internet Routing Table: 539 Average APNIC Region AS path length visible: 3.5 Max APNIC Region AS path length visible: 15 Number of APNIC addresses announced to Internet: 377990304 Equivalent to 22 /8s, 135 /16s and 172 /24s Percentage of available APNIC address space announced: 80.5 APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431 (pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079 APNIC Address Blocks 58/8, 59/8, 60/8, 61/8, 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, 202/8, 203/8, 210/8, 211/8, 218/8, 219/8, 220/8, 221/8, 222/8, ARIN Region Analysis Summary ---------------------------- Prefixes being announced by ARIN Region ASes: 122827 Total ARIN prefixes after maximum aggregation: 64724 ARIN Deaggregation factor: 1.90 Prefixes being announced from the ARIN address blocks: 92067 Unique aggregates announced from the ARIN address blocks: 35235 ARIN Region origin ASes present in the Internet Routing Table: 12493 ARIN Prefixes per ASN: 7.37 ARIN Region origin ASes announcing only one prefix: 4833 ARIN Region transit ASes present in the Internet Routing Table: 1189 Average ARIN Region AS path length visible: 3.3 Max ARIN Region AS path length visible: 16 Number of ARIN addresses announced to Internet: 364498912 Equivalent to 21 /8s, 185 /16s and 207 /24s Percentage of available ARIN address space announced: 74.9 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 ARIN Address Blocks 24/8, 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, 173/8, 174/8, 199/8, 204/8, 205/8, 206/8, 207/8, 208/8, 209/8, 216/8, RIPE Region Analysis Summary ---------------------------- Prefixes being announced by RIPE Region ASes: 58838 Total RIPE prefixes after maximum aggregation: 35441 RIPE Deaggregation factor: 1.66 Prefixes being announced from the RIPE address blocks: 54018 Unique aggregates announced from the RIPE address blocks: 36183 RIPE Region origin ASes present in the Internet Routing Table: 11981 RIPE Prefixes per ASN: 4.51 RIPE Region origin ASes announcing only one prefix: 6314 RIPE Region transit ASes present in the Internet Routing Table: 1824 Average RIPE Region AS path length visible: 4.0 Max RIPE Region AS path length visible: 26 Number of RIPE addresses announced to Internet: 374235424 Equivalent to 22 /8s, 78 /16s and 97 /24s Percentage of available RIPE address space announced: 85.8 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, 47104-49151 RIPE Address Blocks 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, 193/8, 194/8, 195/8, 212/8, 213/8, 217/8, LACNIC Region Analysis Summary ------------------------------ Prefixes being announced by LACNIC Region ASes: 21554 Total LACNIC prefixes after maximum aggregation: 5416 LACNIC Deaggregation factor: 3.98 Prefixes being announced from the LACNIC address blocks: 19669 Unique aggregates announced from the LACNIC address blocks: 11065 LACNIC Region origin ASes present in the Internet Routing Table: 1005 LACNIC Prefixes per ASN: 19.57 LACNIC Region origin ASes announcing only one prefix: 332 LACNIC Region transit ASes present in the Internet Routing Table: 169 Average LACNIC Region AS path length visible: 4.1 Max LACNIC Region AS path length visible: 18 Number of LACNIC addresses announced to Internet: 56901120 Equivalent to 3 /8s, 100 /16s and 62 /24s Percentage of available LACNIC address space announced: 56.5 LACNIC AS Blocks 26592-26623, 27648-28671, plus ERX transfers LACNIC Address Blocks 186/8, 187/8, 189/8, 190/8, 200/8, 201/8, AfriNIC Region Analysis Summary ------------------------------- Prefixes being announced by AfriNIC Region ASes: 4189 Total AfriNIC prefixes after maximum aggregation: 1300 AfriNIC Deaggregation factor: 3.22 Prefixes being announced from the AfriNIC address blocks: 4464 Unique aggregates announced from the AfriNIC address blocks: 2066 AfriNIC Region origin ASes present in the Internet Routing Table: 260 AfriNIC Prefixes per ASN: 17.17 AfriNIC Region origin ASes announcing only one prefix: 82 AfriNIC Region transit ASes present in the Internet Routing Table: 55 Average AfriNIC Region AS path length visible: 3.9 Max AfriNIC Region AS path length visible: 14 Number of AfriNIC addresses announced to Internet: 12766464 Equivalent to 0 /8s, 194 /16s and 205 /24s Percentage of available AfriNIC address space announced: 38.0 AfriNIC AS Blocks 36864-37887 & ERX transfers AfriNIC Address Blocks 41/8, 196/8, APNIC Region per AS prefix count summary ---------------------------------------- ASN No of nets /20 equiv MaxAgg Description 4755 1454 521 190 TATA Communications formerly 17488 1393 95 99 Hathway IP Over Cable Interne 9583 1109 87 476 Sify Limited 4766 876 6407 359 Korea Telecom (KIX) 4134 839 13664 343 CHINANET-BACKBONE 23577 808 34 689 Korea Telecom (ATM-MPLS) 18101 781 161 63 Reliance Infocom Ltd Internet 4780 717 355 61 Digital United Inc. 9498 680 295 54 BHARTI BT INTERNET LTD. 4808 627 1164 142 CNCGROUP IP network: China169 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 4299 3416 339 bellsouth.net, inc. 209 2940 4033 623 Qwest 6298 2009 319 713 Cox Communicatons 20115 1811 1425 712 Charter Communications 1785 1668 717 154 PaeTec Communications, Inc. 2386 1554 699 895 AT&T Data Communications Serv 4323 1540 1083 373 Time Warner Telecom 7018 1414 5795 984 AT&T WorldNet Services 11492 1212 152 11 Cable One 6478 1203 242 182 AT&T Worldnet Services 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 3292 432 1761 381 TDC Tele Danmark 30890 338 90 182 SC Kappa Invexim SRL 3301 330 1428 301 TeliaNet Sweden 3215 328 2756 107 France Telecom Transpac 3320 324 7063 273 Deutsche Telekom AG 8866 324 79 22 Bulgarian Telecommunication C 8452 316 188 11 TEDATA 5462 301 794 27 Telewest Broadband 8551 287 270 37 Bezeq International 680 275 2047 265 DFN-IP service G-WiN 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 1412 2847 223 UniNet S.A. de C.V. 11830 669 299 9 Instituto Costarricense de El 22047 564 270 14 VTR PUNTO NET S.A. 7303 493 242 71 Telecom Argentina Stet-France 10620 483 118 93 TVCABLE BOGOTA 16814 426 27 10 NSS, S.A. 6471 420 85 48 ENTEL CHILE S.A. 11172 407 118 71 Servicios Alestra S.A de C.V 14117 343 23 9 Telefonica del Sur S.A. 28573 339 443 28 NET Servicos de Comunicao S.A 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 24863 545 71 39 LINKdotNET AS number 20858 401 34 3 EgyNet 3741 265 855 223 The Internet Solution 2018 234 215 139 Tertiary Education Network 6713 143 135 11 Itissalat Al-MAGHRIB 33783 137 10 13 EEPAD TISP TELECOM & INTERNET 5536 120 8 17 Internet Egypt Network 5713 119 555 69 Telkom SA Ltd 33776 116 6 3 Starcomms Nigeria Limited 29571 109 13 9 Ci Telecom Autonomous system 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 4299 3416 339 bellsouth.net, inc. 209 2940 4033 623 Qwest 6298 2009 319 713 Cox Communicatons 20115 1811 1425 712 Charter Communications 1785 1668 717 154 PaeTec Communications, Inc. 2386 1554 699 895 AT&T Data Communications Serv 4323 1540 1083 373 Time Warner Telecom 4755 1454 521 190 TATA Communications formerly 7018 1414 5795 984 AT&T WorldNet Services 8151 1412 2847 223 UniNet S.A. de C.V. Complete listing at http://thyme.apnic.net/current/data-ASnet Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 209 2940 2317 Qwest 1785 1668 1514 PaeTec Communications, Inc. 6298 2009 1296 Cox Communicatons 17488 1393 1294 Hathway IP Over Cable Interne 4755 1454 1264 TATA Communications formerly 11492 1212 1201 Cable One 8151 1412 1189 UniNet S.A. de C.V. 4323 1540 1167 Time Warner Telecom 20115 1811 1099 Charter Communications 18566 1058 1048 Covad Communications 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 22492 UNALLOCATED 12.2.46.0/24 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 12.39.159.0/24 7018 AT&T WorldNet Servic 32326 UNALLOCATED 12.40.49.0/24 3549 Global Crossing Complete listing at http://thyme.apnic.net/current/data-badAS Advertised Unallocated Addresses -------------------------------- Network Origin AS Description 24.75.116.0/22 10796 ServiceCo LLC - Road Runner 24.142.40.0/21 7018 AT&T WorldNet Services 24.142.160.0/19 7018 AT&T WorldNet Services 24.246.0.0/17 7018 AT&T WorldNet Services 24.246.128.0/18 7018 AT&T WorldNet Services 41.189.32.0/21 29571 Ci Telecom Autonomous system 41.215.208.0/20 8657 CPRM Autonomous System 62.61.220.0/24 24974 Tachyon Europe BV - Wireless 62.133.0.0/19 16082 Spitfire Digital Networks Aut 63.140.213.0/24 22555 Universal Talkware Corporatio 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 /8:18 /9:9 /10:17 /11:45 /12:147 /13:295 /14:531 /15:1060 /16:10127 /17:4401 /18:7603 /19:16337 /20:19159 /21:18671 /22:23526 /23:24569 /24:141200 /25:816 /26:979 /27:769 /28:89 /29:9 /30:1 /31:0 /32:7 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 6389 2847 4299 bellsouth.net, inc. 6298 1983 2009 Cox Communicatons 209 1698 2940 Qwest 2386 1234 1554 AT&T Data Communications Serv 17488 1200 1393 Hathway IP Over Cable Interne 11492 1188 1212 Cable One 1785 1128 1668 PaeTec Communications, Inc. 6478 1095 1203 AT&T Worldnet Services 18566 1039 1058 Covad Communications 9583 977 1109 Sify Limited Complete listing at http://thyme.apnic.net/current/data/sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 4:8 8:142 12:2173 13:2 15:22 16:3 17:5 18:13 20:35 24:1128 31:1 32:58 38:502 40:92 41:712 43:1 44:2 47:12 52:3 55:3 56:3 57:26 58:520 59:526 60:452 61:974 62:1233 63:2034 64:3219 65:2418 66:3509 67:1264 68:802 69:2321 70:859 71:244 72:2053 73:7 74:1217 75:161 76:265 77:804 78:839 79:255 80:929 81:863 82:603 83:381 84:581 85:1006 86:401 87:709 88:340 89:1384 90:20 91:1561 92:267 93:895 94:227 96:79 97:88 98:338 99:8 113:1 114:104 115:100 116:998 117:373 118:236 119:515 120:93 121:599 122:853 123:444 124:863 125:1183 128:356 129:201 130:134 131:416 132:72 133:9 134:180 135:32 136:217 137:97 138:142 139:81 140:511 141:106 142:408 143:299 144:328 145:51 146:371 147:159 148:524 149:210 150:128 151:182 152:149 153:136 154:10 155:283 156:173 157:301 158:168 159:305 160:275 161:138 162:255 163:131 164:518 165:509 166:365 167:336 168:635 169:143 170:452 171:33 172:10 173:34 187:16 188:1 189:309 190:2235 192:5750 193:4147 194:3265 195:2584 196:1006 198:3740 199:3295 200:5538 201:1435 202:7855 203:8083 204:3943 205:2154 206:2349 207:2742 208:3680 209:3437 210:2580 211:1096 212:1464 213:1595 214:175 215:50 216:4355 217:1237 218:348 219:435 220:1061 221:416 222:287 End of report