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Routing Table Report 00:00 GMT Tue 29 Apr, 2008
NB: RouteViews data includes iBGP information from some ASNs. Treat the information provided below appropriately.
Report Website: http://thyme.apnic.net This report: http://thyme.apnic.net/oix-data/2008/04/29
Analysis Summary ----------------
BGP routing table entries examined: 261762 Prefixes after maximum aggregation: 128225 Deaggregation factor: 2.04 Unique aggregates announced to Internet: 123365 Total ASes present in the Internet Routing Table: 28086 Prefixes per ASN: 9.32 Origin-only ASes present in the Internet Routing Table: 24412 Origin ASes announcing only one prefix: 11374 Transit ASes present in the Internet Routing Table: 3674 Transit-only ASes present in the Internet Routing Table: 88 Average AS path length visible in the Internet Routing Table: 4.0 Max AS path length visible: 37 Max AS path prepend of ASN (18678) 21 Prefixes from unregistered ASNs in the Routing Table: 25376 Unregistered ASNs in the Routing Table: 1894 Number of 32-bit ASNs allocated by the RIRs: 46 Prefixes from 32-bit ASNs in the Routing Table: 10 Special use prefixes present in the Routing Table: 4 Prefixes being announced from unallocated address space: 792 Number of addresses announced to Internet: 1882853483 Equivalent to 112 /8s, 58 /16s and 16 /24s Percentage of available address space announced: 50.8 Percentage of allocated address space announced: 62.4 Percentage of available address space allocated: 81.4 Percentage of address space in use by end-sites: 71.6 Total number of prefixes smaller than registry allocations: 127088
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 44991 Total APNIC prefixes after maximum aggregation: 13483 APNIC Deaggregation factor: 3.34 Prefixes being announced from the APNIC address blocks: 57252 Unique aggregates announced from the APNIC address blocks: 23500 APNIC Region origin ASes present in the Internet Routing Table: 1935 APNIC Prefixes per ASN: 29.59 APNIC Region origin ASes announcing only one prefix: 553 APNIC Region transit ASes present in the Internet Routing Table: 350 Average APNIC Region AS path length visible: 4.3 Max APNIC Region AS path length visible: 21 Number of APNIC addresses announced to Internet: 346708576 Equivalent to 20 /8s, 170 /16s and 90 /24s Percentage of available APNIC address space announced: 79.5
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, 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: 110795 Total ARIN prefixes after maximum aggregation: 60331 ARIN Deaggregation factor: 1.84 Prefixes being announced from the ARIN address blocks: 89252 Unique aggregates announced from the ARIN address blocks: 34361 ARIN Region origin ASes present in the Internet Routing Table: 11780 ARIN Prefixes per ASN: 7.58 ARIN Region origin ASes announcing only one prefix: 4595 ARIN Region transit ASes present in the Internet Routing Table: 1079 Average ARIN Region AS path length visible: 3.5 Max ARIN Region AS path length visible: 28 Number of ARIN addresses announced to Internet: 359748097 Equivalent to 21 /8s, 113 /16s and 82 /24s Percentage of available ARIN address space announced: 73.9
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: 55359 Total RIPE prefixes after maximum aggregation: 33618 RIPE Deaggregation factor: 1.65 Prefixes being announced from the RIPE address blocks: 50725 Unique aggregates announced from the RIPE address blocks: 33459 RIPE Region origin ASes present in the Internet Routing Table: 11271 RIPE Prefixes per ASN: 4.50 RIPE Region origin ASes announcing only one prefix: 5875 RIPE Region transit ASes present in the Internet Routing Table: 1731 Average RIPE Region AS path length visible: 4.6 Max RIPE Region AS path length visible: 24 Number of RIPE addresses announced to Internet: 355289025 Equivalent to 21 /8s, 45 /16s and 71 /24s Percentage of available RIPE address space announced: 81.4
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: 21464 Total LACNIC prefixes after maximum aggregation: 4930 LACNIC Deaggregation factor: 4.35 Prefixes being announced from the LACNIC address blocks: 19892 Unique aggregates announced from the LACNIC address blocks: 9835 LACNIC Region origin ASes present in the Internet Routing Table: 896 LACNIC Prefixes per ASN: 22.20 LACNIC Region origin ASes announcing only one prefix: 272 LACNIC Region transit ASes present in the Internet Routing Table: 158 Average LACNIC Region AS path length visible: 4.6 Max LACNIC Region AS path length visible: 37 Number of LACNIC addresses announced to Internet: 50838788 Equivalent to 3 /8s, 7 /16s and 189 /24s Percentage of available LACNIC address space announced: 50.5
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: 3778 Total AfriNIC prefixes after maximum aggregation: 1205 AfriNIC Deaggregation factor: 3.14 Prefixes being announced from the AfriNIC address blocks: 4140 Unique aggregates announced from the AfriNIC address blocks: 1845 AfriNIC Region origin ASes present in the Internet Routing Table: 240 AfriNIC Prefixes per ASN: 17.25 AfriNIC Region origin ASes announcing only one prefix: 79 AfriNIC Region transit ASes present in the Internet Routing Table: 49 Average AfriNIC Region AS path length visible: 4.0 Max AfriNIC Region AS path length visible: 14 Number of AfriNIC addresses announced to Internet: 11361024 Equivalent to 0 /8s, 173 /16s and 91 /24s Percentage of available AfriNIC address space announced: 33.9
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 2045 3134 41 China Education and Research 4755 1637 387 91 Videsh Sanchar Nigam Ltd. Aut 9583 1162 140 16 Sify Limited 9498 1161 550 61 BHARTI BT INTERNET LTD. 17488 1059 70 77 Hathway IP Over Cable Interne 4134 868 12647 320 CHINANET-BACKBONE 4766 812 6006 346 Korea Telecom (KIX) 18101 680 149 54 Reliance Infocom Ltd Internet 9829 598 450 12 BSNL National Internet Backbo 1221 546 1919 419 Telstra Pty 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 3549 1434 539 205 Global Crossing 4323 1424 1029 375 Time Warner Telecom 7018 1404 10064 996 AT&T WorldNet Services 2386 1396 628 871 AT&T Data Communications Serv 11492 1215 146 36 Cable One 1803 1121 6 892 SPRINT 7011 1100 319 624 Citizens Utilities 18566 1043 296 10 Covad Communications 1785 1013 511 106 AppliedTheory Corporation 6197 987 598 508 BellSouth Network Solutions,
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 410 1787 367 TDC Tele Danmark 9198 400 74 9 Kazakhtelecom Data Network Ad 8452 356 188 7 TEDATA 3301 340 1459 308 TeliaNet Sweden 3320 323 7044 266 Deutsche Telekom AG 5462 298 666 26 Telewest Broadband 8866 298 78 24 Bulgarian Telecommunication C 8551 282 269 37 Bezeq International 3215 278 2679 89 France Telecom Transpac 1257 268 1205 210 SWIPnet Swedish IP 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 1601 222 59 Telecom Argentina Stet-France 8151 1196 2432 221 UniNet S.A. de C.V. 11830 601 299 9 Instituto Costarricense de El 22047 562 270 14 VTR PUNTO NET S.A. 16814 426 27 10 NSS, S.A. 11172 415 117 69 Servicios Alestra S.A de C.V 6471 414 85 46 ENTEL CHILE S.A. 10620 388 99 76 TVCABLE BOGOTA 14117 384 25 15 Telefonica del Sur S.A. 7738 332 666 26 Telecomunicacoes da Bahia S.A
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 464 61 27 LINKdotNET AS number 3741 277 853 223 The Internet Solution 20858 217 34 3 EgyNet 2018 178 190 86 Tertiary Education Network 5713 150 558 120 Telkom SA Ltd 6713 144 135 11 Itissalat Al-MAGHRIB 33783 134 10 12 EEPAD TISP TELECOM & INTERNET 5536 121 8 16 Internet Egypt Network 29571 116 13 8 Ci Telecom Autonomous system 33776 99 6 7 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 2760 3004 112 bellsouth.net, inc. 4538 2045 3134 41 China Education and Research 23577 1686 33 749 Korea Telecom (ATM-MPLS) 4755 1637 387 91 Videsh Sanchar Nigam Ltd. Aut 7303 1601 222 59 Telecom Argentina Stet-France 3549 1434 539 205 Global Crossing 4323 1424 1029 375 Time Warner Telecom 7018 1404 10064 996 AT&T WorldNet Services 2386 1396 628 871 AT&T Data Communications Serv 11492 1215 146 36 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 2045 2004 China Education and Research 4755 1637 1546 Videsh Sanchar Nigam Ltd. Aut 7303 1601 1542 Telecom Argentina Stet-France 3549 1434 1229 Global Crossing 11492 1215 1179 Cable One 9583 1162 1146 Sify Limited 9498 1161 1100 BHARTI BT INTERNET LTD. 4323 1424 1049 Time Warner Telecom 18566 1043 1033 Covad Communications 17488 1059 982 Hathway IP Over Cable Interne
Complete listing at http://thyme.apnic.net/rviews/data-CIDRnet
List of Unregistered Origin ASNs (Global) -----------------------------------------
Bad AS Designation Network Transit AS Description 14780 UNALLOCATED 4.79.181.0/24 10310 Yahoo! 12180 UNALLOCATED 4.79.248.0/24 3561 Savvis 11096 UNALLOCATED 8.6.245.0/24 6939 Hurricane Electric 12180 UNALLOCATED 8.10.16.0/24 3549 Global Crossing 12180 UNALLOCATED 8.10.58.0/23 2914 Verio, Inc. 14779 UNALLOCATED 8.12.144.0/24 10310 Yahoo! 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
Complete listing at http://thyme.apnic.net/rviews/data-badAS
Prefixes from private and non-routed address space (Global) -----------------------------------------------------------
Prefix Origin AS Description 10.29.246.49/32 286 KPNQwest Backbone AS 10.29.248.65/32 286 KPNQwest Backbone AS 10.29.248.71/32 286 KPNQwest Backbone AS 172.30.254.0/24 4771 Netgate
Complete listing at http://thyme.apnic.net/rviews/data-dsua
Advertised Unallocated Addresses --------------------------------
Network Origin AS Description 24.51.159.0/24 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 62.61.220.0/24 24974 Tachyon Europe BV - Wireless 63.140.213.0/24 22555 Universal Talkware Corporatio
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 /8:20 /9:9 /10:16 /11:43 /12:140 /13:285 /14:511 /15:1007 /16:9943 /17:4433 /18:7378 /19:15511 /20:18198 /21:17543 /22:22391 /23:23085 /24:137598 /25:841 /26:1003 /27:379 /28:682 /29:342 /30:204 /31:0 /32:200
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 11492 1201 1215 Cable One 7303 1109 1601 Telecom Argentina Stet-France 1803 1102 1121 SPRINT 2386 1096 1396 AT&T Data Communications Serv 3549 1063 1434 Global Crossing 18566 1024 1043 Covad Communications 9583 997 1162 Sify Limited 7011 983 1100 Citizens Utilities 4538 982 2045 China Education and Research 4755 974 1637 Videsh Sanchar Nigam Ltd. Aut
Complete listing at http://thyme.apnic.net/rviews/data/sXXas-nos
Number of /24s announced per /8 block (Global) ----------------------------------------------
4:9 8:107 12:2037 13:1 14:1 15:20 16:3 17:6 18:13 20:36 24:1067 25:1 32:200 33:4 38:418 40:94 41:653 44:2 47:8 52:3 55:3 56:3 57:45 58:581 59:494 60:440 61:994 62:1127 63:1973 64:3647 65:2424 66:3681 67:1174 68:672 69:2165 70:606 71:125 72:1675 73:6 74:948 75:227 76:310 77:617 78:609 79:147 80:900 81:854 82:615 83:384 84:551 85:1014 86:406 87:646 88:351 89:1286 90:11 91:1224 92:288 93:358 96:25 97:14 98:141 99:3 116:627 117:309 118:124 119:370 120:9 121:528 122:751 123:319 124:841 125:1120 128:320 129:201 130:128 131:392 132:66 133:9 134:179 135:32 136:222 137:113 138:150 139:67 140:490 141:96 142:438 143:284 144:348 145:50 146:373 147:146 148:500 149:183 150:126 151:180 152:144 153:127 154:11 155:267 156:207 157:265 158:168 159:221 160:253 161:111 162:211 163:196 164:582 165:455 166:321 167:320 168:616 169:127 170:443 171:28 172:3 189:176 190:1988 192:5778 193:4110 194:3287 195:2464 196:1066 198:3754 199:3238 200:6005 201:1608 202:8061 203:7868 204:4017 205:2103 206:2487 207:2829 208:3453 209:3577 210:2907 211:1203 212:1409 213:1650 214:448 215:50 216:4400 217:1232 218:404 219:492 220:1070 221:481 222:369
End of report
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