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Routing Table Report 00:00 GMT Sun 29 Jun, 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: 266828 Prefixes after maximum aggregation: 129570 Deaggregation factor: 2.06 Unique aggregates announced to Internet: 127136 Total ASes present in the Internet Routing Table: 28636 Prefixes per ASN: 9.32 Origin-only ASes present in the Internet Routing Table: 24817 Origin ASes announcing only one prefix: 12061 Transit ASes present in the Internet Routing Table: 3819 Transit-only ASes present in the Internet Routing Table: 92 Average AS path length visible in the Internet Routing Table: 4.0 Max AS path length visible: 27 Max AS path prepend of ASN (17957) 20 Prefixes from unregistered ASNs in the Routing Table: 619 Unregistered ASNs in the Routing Table: 229 Number of 32-bit ASNs allocated by the RIRs: 48 Prefixes from 32-bit ASNs in the Routing Table: 8 Special use prefixes present in the Routing Table: 5 Prefixes being announced from unallocated address space: 792 Number of addresses announced to Internet: 1883704244 Equivalent to 112 /8s, 71 /16s and 11 /24s Percentage of available address space announced: 50.8 Percentage of allocated address space announced: 61.7 Percentage of available address space allocated: 82.3 Percentage of address space in use by end-sites: 72.4 Total number of prefixes smaller than registry allocations: 130941
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 61664 Total APNIC prefixes after maximum aggregation: 22160 APNIC Deaggregation factor: 2.78 Prefixes being announced from the APNIC address blocks: 58777 Unique aggregates announced from the APNIC address blocks: 24943 APNIC Region origin ASes present in the Internet Routing Table: 3288 APNIC Prefixes per ASN: 17.88 APNIC Region origin ASes announcing only one prefix: 888 APNIC Region transit ASes present in the Internet Routing Table: 527 Average APNIC Region AS path length visible: 4.1 Max APNIC Region AS path length visible: 22 Number of APNIC addresses announced to Internet: 360169376 Equivalent to 21 /8s, 119 /16s and 191 /24s Percentage of available APNIC address space announced: 76.7
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: 121352 Total ARIN prefixes after maximum aggregation: 66224 ARIN Deaggregation factor: 1.83 Prefixes being announced from the ARIN address blocks: 90241 Unique aggregates announced from the ARIN address blocks: 34834 ARIN Region origin ASes present in the Internet Routing Table: 12265 ARIN Prefixes per ASN: 7.36 ARIN Region origin ASes announcing only one prefix: 4745 ARIN Region transit ASes present in the Internet Routing Table: 1212 Average ARIN Region AS path length visible: 3.7 Max ARIN Region AS path length visible: 21 Number of ARIN addresses announced to Internet: 355393537 Equivalent to 21 /8s, 46 /16s and 224 /24s Percentage of available ARIN address space announced: 73.0
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: 57001 Total RIPE prefixes after maximum aggregation: 34300 RIPE Deaggregation factor: 1.66 Prefixes being announced from the RIPE address blocks: 52468 Unique aggregates announced from the RIPE address blocks: 34428 RIPE Region origin ASes present in the Internet Routing Table: 11562 RIPE Prefixes per ASN: 4.54 RIPE Region origin ASes announcing only one prefix: 6040 RIPE Region transit ASes present in the Internet Routing Table: 1792 Average RIPE Region AS path length visible: 4.3 Max RIPE Region AS path length visible: 23 Number of RIPE addresses announced to Internet: 362028352 Equivalent to 21 /8s, 148 /16s and 29 /24s Percentage of available RIPE address space announced: 83.0
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, 47104-48127 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: 22132 Total LACNIC prefixes after maximum aggregation: 5178 LACNIC Deaggregation factor: 4.27 Prefixes being announced from the LACNIC address blocks: 20360 Unique aggregates announced from the LACNIC address blocks: 10534 LACNIC Region origin ASes present in the Internet Routing Table: 968 LACNIC Prefixes per ASN: 21.03 LACNIC Region origin ASes announcing only one prefix: 310 LACNIC Region transit ASes present in the Internet Routing Table: 165 Average LACNIC Region AS path length visible: 4.6 Max LACNIC Region AS path length visible: 27 Number of LACNIC addresses announced to Internet: 52751500 Equivalent to 3 /8s, 36 /16s and 236 /24s Percentage of available LACNIC address space announced: 52.4
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: 4068 Total AfriNIC prefixes after maximum aggregation: 1205 AfriNIC Deaggregation factor: 3.38 Prefixes being announced from the AfriNIC address blocks: 4343 Unique aggregates announced from the AfriNIC address blocks: 1888 AfriNIC Region origin ASes present in the Internet Routing Table: 244 AfriNIC Prefixes per ASN: 17.80 AfriNIC Region origin ASes announcing only one prefix: 78 AfriNIC Region transit ASes present in the Internet Routing Table: 50 Average AfriNIC Region AS path length visible: 4.2 Max AfriNIC Region AS path length visible: 17 Number of AfriNIC addresses announced to Internet: 12237824 Equivalent to 0 /8s, 186 /16s and 188 /24s Percentage of available AfriNIC address space announced: 36.5
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 2089 3134 41 China Education and Research 4755 1662 387 87 Videsh Sanchar Nigam Ltd. Aut 17488 1188 82 91 Hathway IP Over Cable Interne 9583 1157 110 418 Sify Limited 9498 1081 550 63 BHARTI BT INTERNET LTD. 4134 842 12995 328 CHINANET-BACKBONE 23577 833 34 738 Korea Telecom (ATM-MPLS) 4766 814 6005 344 Korea Telecom (KIX) 4780 709 351 63 Digital United Inc. 18101 688 167 33 Reliance Infocom Ltd Internet
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 2671 3260 199 bellsouth.net, inc. 2386 1496 664 877 AT&T Data Communications Serv 4323 1471 1045 377 Time Warner Telecom 3549 1430 540 206 Global Crossing 7018 1400 9910 977 AT&T WorldNet Services 11492 1232 150 12 Cable One 1803 1221 7 967 SPRINT 1785 1080 510 104 AppliedTheory Corporation 20115 1048 1068 561 Charter Communications 18566 1045 296 10 Covad Communications
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 3292 417 1788 372 TDC Tele Danmark 8452 344 188 11 TEDATA 3301 335 1460 305 TeliaNet Sweden 3320 319 7046 268 Deutsche Telekom AG 8866 319 77 21 Bulgarian Telecommunication C 5462 308 666 27 Telewest Broadband 3215 286 2742 89 France Telecom Transpac 8551 286 269 38 Bezeq International 680 274 2047 264 DFN-IP service G-WiN 6746 267 125 242 Dynamic Network Technologies,
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 1660 231 65 Telecom Argentina Stet-France 8151 1273 2464 227 UniNet S.A. de C.V. 11830 604 299 9 Instituto Costarricense de El 22047 565 270 14 VTR PUNTO NET S.A. 16814 426 27 10 NSS, S.A. 6471 411 85 48 ENTEL CHILE S.A. 11172 410 118 70 Servicios Alestra S.A de C.V 10620 402 104 65 TVCABLE BOGOTA 14117 375 23 9 Telefonica del Sur S.A. 16735 372 92 11 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 475 61 30 LINKdotNET AS number 20858 397 34 3 EgyNet 3741 277 853 224 The Internet Solution 2018 201 205 85 Tertiary Education Network 5713 155 558 93 Telkom SA Ltd 6713 144 135 11 Itissalat Al-MAGHRIB 33783 135 10 12 EEPAD TISP TELECOM & INTERNET 5536 121 8 16 Internet Egypt Network 29571 102 13 8 Ci Telecom Autonomous system 33776 100 6 3 Starcomms Nigeria Limited
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 2671 3260 199 bellsouth.net, inc. 4538 2089 3134 41 China Education and Research 4755 1662 387 87 Videsh Sanchar Nigam Ltd. Aut 7303 1660 231 65 Telecom Argentina Stet-France 2386 1496 664 877 AT&T Data Communications Serv 4323 1471 1045 377 Time Warner Telecom 3549 1430 540 206 Global Crossing 7018 1400 9910 977 AT&T WorldNet Services 8151 1273 2464 227 UniNet S.A. de C.V. 11492 1232 150 12 Cable One
Complete listing at http://thyme.apnic.net/rviews/data-ASnet
Global Per AS Maximum Aggr summary ----------------------------------
ASN No of nets Net Savings Description 4538 2089 2048 China Education and Research 7303 1660 1595 Telecom Argentina Stet-France 4755 1662 1575 Videsh Sanchar Nigam Ltd. Aut 3549 1430 1224 Global Crossing 11492 1232 1220 Cable One 17488 1188 1097 Hathway IP Over Cable Interne 4323 1471 1094 Time Warner Telecom 8151 1273 1046 UniNet S.A. de C.V. 18566 1045 1035 Covad Communications 9498 1081 1018 BHARTI BT INTERNET LTD.
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 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 13632 UNALLOCATED 12.20.55.0/24 6517 Yipes Communications 13746 UNALLOCATED 12.24.56.0/24 7018 AT&T WorldNet Servic 32567 UNALLOCATED 12.25.107.0/24 7018 AT&T WorldNet Servic 13632 UNALLOCATED 12.31.25.0/24 6517 Yipes Communications 27220 UNALLOCATED 12.35.204.0/24 7018 AT&T WorldNet Servic 26973 UNALLOCATED 12.39.152.0/24 7018 AT&T WorldNet Servic
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
Complete listing at http://thyme.apnic.net/rviews/data-dsua
Advertised Unallocated Addresses --------------------------------
Network Origin AS Description 24.48.244.0/23 7843 Adelphia Corp. 24.51.159.0/24 7843 Adelphia Corp. 24.54.23.0/24 7843 Adelphia Corp. 24.54.224.0/19 20001 HoldCo LLC - Road Runner 24.75.160.0/19 7843 Adelphia Corp. 24.75.192.0/18 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
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 /10:16 /11:45 /12:144 /13:286 /14:520 /15:1046 /16:10035 /17:4374 /18:7404 /19:15668 /20:18454 /21:17990 /22:23063 /23:23630 /24:140209 /25:909 /26:1106 /27:377 /28:723 /29:361 /30:216 /31:0 /32:224
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 6389 1670 2671 bellsouth.net, inc. 11492 1212 1232 Cable One 1803 1199 1221 SPRINT 2386 1190 1496 AT&T Data Communications Serv 7303 1163 1660 Telecom Argentina Stet-France 3549 1062 1430 Global Crossing 18566 1026 1045 Covad Communications 4755 1009 1662 Videsh Sanchar Nigam Ltd. Aut 9583 1008 1157 Sify Limited 17488 1002 1188 Hathway IP Over Cable Interne
Complete listing at http://thyme.apnic.net/rviews/data/sXXas-nos
Number of /24s announced per /8 block (Global) ----------------------------------------------
4:7 8:120 12:2079 13:2 14:1 15:22 16:3 17:5 18:13 20:37 24:1077 25:1 32:200 38:443 40:92 41:643 43:1 44:2 47:12 52:3 55:3 56:3 57:48 58:530 59:529 60:448 61:1010 62:1218 63:1961 64:3531 65:2381 66:3583 67:1226 68:694 69:2280 70:686 71:120 72:1815 73:5 74:1030 75:160 76:315 77:739 78:706 79:197 80:955 81:849 82:628 83:399 84:576 85:1020 86:418 87:707 88:336 89:1290 90:14 91:1308 92:207 93:597 94:52 96:37 97:27 98:168 99:3 112:1 113:1 114:57 116:764 117:340 118:183 119:452 120:55 121:556 122:796 123:365 124:860 125:1158 128:362 129:205 130:131 131:409 132:67 133:9 134:177 135:33 136:220 137:87 138:145 139:100 140:489 141:98 142:415 143:306 144:362 145:51 146:374 147:156 148:506 149:201 150:129 151:191 152:134 153:143 154:11 155:277 156:174 157:278 158:186 159:240 160:276 161:114 162:239 163:187 164:521 165:461 166:334 167:327 168:630 169:136 170:453 171:30 172:10 189:262 190:2323 192:5797 193:4180 194:3266 195:2571 196:1050 198:3742 199:3278 200:5944 201:1625 202:8150 203:8023 204:3976 205:2144 206:2476 207:2793 208:3568 209:3579 210:2958 211:1213 212:1448 213:1652 214:148 215:49 216:4429 217:1206 218:396 219:500 220:1076 221:471 222:372
End of report
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