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Routing Table Report 00:00 GMT Fri 26 Sep, 2008
NB: RouteViews data includes iBGP information from some ASNs. Treat the information provided below appropriately.
Report Website: http://thyme.apnic.net Detailed Analysis: http://thyme.apnic.net/rviews/
Analysis Summary ----------------
BGP routing table entries examined: 297612 Prefixes after maximum aggregation: 131580 Deaggregation factor: 2.26 Unique aggregates announced to Internet: 131079 Total ASes present in the Internet Routing Table: 29389 Prefixes per ASN: 10.13 Origin-only ASes present in the Internet Routing Table: 25404 Origin ASes announcing only one prefix: 12346 Transit ASes present in the Internet Routing Table: 3985 Transit-only ASes present in the Internet Routing Table: 93 Average AS path length visible in the Internet Routing Table: 4.0 Max AS path length visible: 26 Max AS path prepend of ASN (12026) 22 Prefixes from unregistered ASNs in the Routing Table: 582 Unregistered ASNs in the Routing Table: 225 Number of 32-bit ASNs allocated by the RIRs: 60 Prefixes from 32-bit ASNs in the Routing Table: 8 Special use prefixes present in the Routing Table: 6 Prefixes being announced from unallocated address space: 771 Number of addresses announced to Internet: 1925177656 Equivalent to 114 /8s, 191 /16s and 225 /24s Percentage of available address space announced: 51.9 Percentage of allocated address space announced: 63.1 Percentage of available address space allocated: 82.3 Percentage of address space in use by end-sites: 73.6 Total number of prefixes smaller than registry allocations: 137375
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 67468 Total APNIC prefixes after maximum aggregation: 22874 APNIC Deaggregation factor: 2.95 Prefixes being announced from the APNIC address blocks: 64410 Unique aggregates announced from the APNIC address blocks: 26271 APNIC Region origin ASes present in the Internet Routing Table: 3393 APNIC Prefixes per ASN: 18.98 APNIC Region origin ASes announcing only one prefix: 913 APNIC Region transit ASes present in the Internet Routing Table: 544 Average APNIC Region AS path length visible: 4.5 Max APNIC Region AS path length visible: 25 Number of APNIC addresses announced to Internet: 377940512 Equivalent to 22 /8s, 134 /16s and 234 /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: 131719 Total ARIN prefixes after maximum aggregation: 66210 ARIN Deaggregation factor: 1.99 Prefixes being announced from the ARIN address blocks: 98714 Unique aggregates announced from the ARIN address blocks: 35274 ARIN Region origin ASes present in the Internet Routing Table: 12493 ARIN Prefixes per ASN: 7.90 ARIN Region origin ASes announcing only one prefix: 4783 ARIN Region transit ASes present in the Internet Routing Table: 1252 Average ARIN Region AS path length visible: 3.6 Max ARIN Region AS path length visible: 25 Number of ARIN addresses announced to Internet: 364793729 Equivalent to 21 /8s, 190 /16s and 79 /24s Percentage of available ARIN address space announced: 75.0
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: 68630 Total RIPE prefixes after maximum aggregation: 35439 RIPE Deaggregation factor: 1.94 Prefixes being announced from the RIPE address blocks: 64008 Unique aggregates announced from the RIPE address blocks: 35895 RIPE Region origin ASes present in the Internet Routing Table: 11951 RIPE Prefixes per ASN: 5.36 RIPE Region origin ASes announcing only one prefix: 6246 RIPE Region transit ASes present in the Internet Routing Table: 1884 Average RIPE Region AS path length visible: 4.0 Max RIPE Region AS path length visible: 26 Number of RIPE addresses announced to Internet: 373317506 Equivalent to 22 /8s, 64 /16s and 95 /24s Percentage of available RIPE address space announced: 85.6
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: 25063 Total LACNIC prefixes after maximum aggregation: 5333 LACNIC Deaggregation factor: 4.70 Prefixes being announced from the LACNIC address blocks: 23166 Unique aggregates announced from the LACNIC address blocks: 11030 LACNIC Region origin ASes present in the Internet Routing Table: 1002 LACNIC Prefixes per ASN: 23.12 LACNIC Region origin ASes announcing only one prefix: 321 LACNIC Region transit ASes present in the Internet Routing Table: 175 Average LACNIC Region AS path length visible: 4.5 Max LACNIC Region AS path length visible: 25 Number of LACNIC addresses announced to Internet: 56787470 Equivalent to 3 /8s, 98 /16s and 130 /24s Percentage of available LACNIC address space announced: 56.4
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: 4151 Total AfriNIC prefixes after maximum aggregation: 1278 AfriNIC Deaggregation factor: 3.25 Prefixes being announced from the AfriNIC address blocks: 4484 Unique aggregates announced from the AfriNIC address blocks: 2030 AfriNIC Region origin ASes present in the Internet Routing Table: 261 AfriNIC Prefixes per ASN: 17.18 AfriNIC Region origin ASes announcing only one prefix: 83 AfriNIC Region transit ASes present in the Internet Routing Table: 52 Average AfriNIC Region AS path length visible: 3.8 Max AfriNIC Region AS path length visible: 20 Number of AfriNIC addresses announced to Internet: 12735232 Equivalent to 0 /8s, 194 /16s and 83 /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 4538 3417 3214 44 China Education and Research 4134 2150 13667 346 CHINANET-BACKBONE 4755 1661 578 91 Videsh Sanchar Nigam Ltd. Aut 17488 1388 94 100 Hathway IP Over Cable Interne 9583 1108 86 477 Sify Limited 4766 846 6407 360 Korea Telecom (KIX) 23577 822 33 727 Korea Telecom (ATM-MPLS) 18101 766 152 56 Reliance Infocom Ltd Internet 4780 721 353 61 Digital United Inc. 9498 689 295 57 BHARTI BT INTERNET LTD.
Complete listing at http://thyme.apnic.net/rviews/data-ASnet-APNIC
ARIN Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 6389 4452 3384 335 bellsouth.net, inc. 7132 2516 9294 330 SBC Internet Services 6298 1996 318 731 Cox Communicatons 20115 1715 1425 711 Charter Communications 19262 1690 3585 170 Verizon Global Networks 1785 1660 712 152 AppliedTheory Corporation 7018 1606 9888 962 AT&T WorldNet Services 2386 1554 677 903 AT&T Data Communications Serv 4323 1520 1065 368 Time Warner Telecom 1803 1318 9 1043 SPRINT
Complete listing at http://thyme.apnic.net/rviews/data-ASnet-ARIN
RIPE Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 3320 1339 7063 272 Deutsche Telekom AG 3215 1191 2756 107 France Telecom Transpac 3352 1004 2060 44 Ibernet, Internet Access Netw 9121 632 1445 27 TTnet Autonomous System 3292 579 1777 380 TDC Tele Danmark 3269 563 3453 75 TELECOM ITALIA 3301 437 1428 301 TeliaNet Sweden 5462 407 794 27 Telewest Broadband 1257 357 1131 206 SWIPnet Swedish IP Network 2856 335 2304 155 BTnet UK Regional network
Complete listing at http://thyme.apnic.net/rviews/data-ASnet-RIPE
LACNIC Region per AS prefix count summary -----------------------------------------
ASN No of nets /20 equiv MaxAgg Description 7303 1729 242 74 Telecom Argentina Stet-France 8151 1537 2847 221 UniNet S.A. de C.V. 11830 670 299 9 Instituto Costarricense de El 22047 596 270 14 VTR PUNTO NET S.A. 7738 493 730 27 Telecomunicacoes da Bahia S.A 28573 471 444 22 NET Servicos de Comunicao S.A 10620 433 106 62 TVCABLE BOGOTA 6471 428 85 48 ENTEL CHILE S.A. 16814 426 27 10 NSS, S.A. 16735 419 92 10 Companhia de Telecomunicacoes
Complete listing at http://thyme.apnic.net/rviews/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary ------------------------------------------
ASN No of nets /20 equiv MaxAgg Description 24863 543 71 41 LINKdotNET AS number 20858 406 34 3 EgyNet 3741 258 854 221 The Internet Solution 2018 233 215 139 Tertiary Education Network 6713 148 135 11 Itissalat Al-MAGHRIB 33783 128 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 107 13 8 Ci Telecom Autonomous system
Complete listing at http://thyme.apnic.net/rviews/data-ASnet-AFRINIC
Global Per AS prefix count summary ----------------------------------
ASN No of nets /20 equiv MaxAgg Description 6389 4452 3384 335 bellsouth.net, inc. 4538 3417 3214 44 China Education and Research 7132 2516 9294 330 SBC Internet Services 4134 2150 13667 346 CHINANET-BACKBONE 6298 1996 318 731 Cox Communicatons 7303 1729 242 74 Telecom Argentina Stet-France 20115 1715 1425 711 Charter Communications 19262 1690 3585 170 Verizon Global Networks 4755 1661 578 91 Videsh Sanchar Nigam Ltd. Aut 1785 1660 712 152 AppliedTheory Corporation
Complete listing at http://thyme.apnic.net/rviews/data-ASnet
Global Per AS Maximum Aggr summary ----------------------------------
ASN No of nets Net Savings Description 4538 3417 3373 China Education and Research 7132 2516 2186 SBC Internet Services 4134 2150 1804 CHINANET-BACKBONE 7303 1729 1655 Telecom Argentina Stet-France 4755 1661 1570 Videsh Sanchar Nigam Ltd. Aut 19262 1690 1520 Verizon Global Networks 1785 1660 1508 AppliedTheory Corporation 8151 1537 1316 UniNet S.A. de C.V. 17488 1388 1288 Hathway IP Over Cable Interne 6298 1996 1265 Cox Communicatons
Complete listing at http://thyme.apnic.net/rviews/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 1239 Sprint 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/rviews/data-badAS
Prefixes from private and non-routed address space (Global) -----------------------------------------------------------
Prefix Origin AS Description 10.29.246.47/32 286 KPNQwest Backbone AS 10.29.246.48/32 286 KPNQwest Backbone AS 10.29.246.49/32 286 KPNQwest Backbone AS 10.29.248.65/32 286 KPNQwest Backbone AS 10.29.248.71/32 286 KPNQwest Backbone AS 192.168.192.0/21 7497 Computer Network Information
Complete listing at http://thyme.apnic.net/rviews/data-dsua
Advertised Unallocated Addresses --------------------------------
Network Origin AS Description 24.75.116.0/22 10796 ServiceCo LLC - Road Runner 24.75.160.0/19 7843 Adelphia Corp. 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 62.61.220.0/24 24974 Tachyon Europe BV - Wireless 63.140.213.0/24 22555 Universal Talkware Corporatio 63.143.71.0/24 701 UUNET Technologies, Inc. 63.143.115.0/24 701 UUNET Technologies, Inc.
Complete listing at http://thyme.apnic.net/rviews/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 /8:19 /9:9 /10:17 /11:46 /12:148 /13:299 /14:537 /15:1072 /16:10193 /17:4423 /18:7719 /19:38556 /20:19424 /21:18786 /22:24237 /23:24958 /24:143846 /25:627 /26:705 /27:375 /28:768 /29:390 /30:236 /31:0 /32:222
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 6389 2846 4452 bellsouth.net, inc. 6298 1970 1996 Cox Communicatons 4538 1775 3417 China Education and Research 1803 1295 1318 SPRINT 7303 1253 1729 Telecom Argentina Stet-France 2386 1234 1554 AT&T Data Communications Serv 17488 1195 1388 Hathway IP Over Cable Interne 11492 1186 1210 Cable One 1785 1128 1660 AppliedTheory Corporation 6478 1074 1181 AT&T Worldnet Services
Complete listing at http://thyme.apnic.net/rviews/data/sXXas-nos
Number of /24s announced per /8 block (Global) ----------------------------------------------
4:8 8:141 12:2180 13:2 15:22 16:3 17:5 18:13 20:35 24:1082 32:197 38:502 40:92 41:707 43:1 44:2 47:12 52:3 55:3 56:3 57:49 58:558 59:593 60:452 61:983 62:1307 63:1966 64:3223 65:2378 66:3504 67:1244 68:783 69:2331 70:853 71:172 72:2050 73:7 74:1191 75:167 76:278 77:795 78:841 79:258 80:948 81:861 82:606 83:382 84:585 85:1018 86:400 87:731 88:340 89:1364 90:21 91:1545 92:268 93:900 94:178 96:72 97:81 98:338 99:8 113:1 114:103 115:84 116:1016 117:378 118:236 119:496 120:96 121:620 122:851 123:448 124:861 125:1243 128:358 129:204 130:134 131:413 132:70 133:9 134:179 135:32 136:224 137:96 138:142 139:99 140:491 141:103 142:408 143:303 144:326 145:51 146:370 147:159 148:520 149:297 150:128 151:181 152:150 153:143 154:10 155:281 156:173 157:301 158:170 159:306 160:276 161:138 162:258 163:154 164:515 165:509 166:384 167:332 168:632 169:143 170:473 171:33 172:10 173:33 186:1 187:16 188:1 189:363 190:2464 192:5832 193:4254 194:3367 195:2650 196:992 198:3742 199:3321 200:5884 201:1596 202:8279 203:8086 204:3945 205:2150 206:2356 207:2692 208:3648 209:3405 210:2991 211:1250 212:1484 213:1665 214:179 215:50 216:4329 217:1228 218:404 219:525 220:1069 221:419 222:413
End of report
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