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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/rv3-data/2008/04/29
Analysis Summary ----------------
BGP routing table entries examined: 260719 Prefixes after maximum aggregation: 127981 Deaggregation factor: 2.04 Unique aggregates announced to Internet: 123325 Total ASes present in the Internet Routing Table: 28031 Prefixes per ASN: 9.30 Origin-only ASes present in the Internet Routing Table: 24394 Origin ASes announcing only one prefix: 11377 Transit ASes present in the Internet Routing Table: 3637 Transit-only ASes present in the Internet Routing Table: 80 Average AS path length visible in the Internet Routing Table: 4.6 Max AS path length visible: 29 Max AS path prepend of ASN (44859) 15 Prefixes from unregistered ASNs in the Routing Table: 25355 Unregistered ASNs in the Routing Table: 1892 Number of 32-bit ASNs allocated by the RIRs: 46 Prefixes from 32-bit ASNs in the Routing Table: 9 Special use prefixes present in the Routing Table: 4 Prefixes being announced from unallocated address space: 790 Number of addresses announced to Internet: 1882473579 Equivalent to 112 /8s, 52 /16s and 68 /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: 126504
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 44930 Total APNIC prefixes after maximum aggregation: 13435 APNIC Deaggregation factor: 3.34 Prefixes being announced from the APNIC address blocks: 57207 Unique aggregates announced from the APNIC address blocks: 23455 APNIC Region origin ASes present in the Internet Routing Table: 1928 APNIC Prefixes per ASN: 29.67 APNIC Region origin ASes announcing only one prefix: 550 APNIC Region transit ASes present in the Internet Routing Table: 354 Average APNIC Region AS path length visible: 4.6 Max APNIC Region AS path length visible: 17 Number of APNIC addresses announced to Internet: 346696928 Equivalent to 20 /8s, 170 /16s and 44 /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: 109991 Total ARIN prefixes after maximum aggregation: 60188 ARIN Deaggregation factor: 1.83 Prefixes being announced from the ARIN address blocks: 88765 Unique aggregates announced from the ARIN address blocks: 34339 ARIN Region origin ASes present in the Internet Routing Table: 11740 ARIN Prefixes per ASN: 7.56 ARIN Region origin ASes announcing only one prefix: 4587 ARIN Region transit ASes present in the Internet Routing Table: 1044 Average ARIN Region AS path length visible: 4.2 Max ARIN Region AS path length visible: 21 Number of ARIN addresses announced to Internet: 359694849 Equivalent to 21 /8s, 112 /16s and 130 /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: 55397 Total RIPE prefixes after maximum aggregation: 33615 RIPE Deaggregation factor: 1.65 Prefixes being announced from the RIPE address blocks: 50740 Unique aggregates announced from the RIPE address blocks: 33465 RIPE Region origin ASes present in the Internet Routing Table: 11281 RIPE Prefixes per ASN: 4.50 RIPE Region origin ASes announcing only one prefix: 5886 RIPE Region transit ASes present in the Internet Routing Table: 1746 Average RIPE Region AS path length visible: 4.7 Max RIPE Region AS path length visible: 23 Number of RIPE addresses announced to Internet: 355251905 Equivalent to 21 /8s, 44 /16s and 182 /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: 21280 Total LACNIC prefixes after maximum aggregation: 4869 LACNIC Deaggregation factor: 4.37 Prefixes being announced from the LACNIC address blocks: 19825 Unique aggregates announced from the LACNIC address blocks: 9855 LACNIC Region origin ASes present in the Internet Routing Table: 887 LACNIC Prefixes per ASN: 22.35 LACNIC Region origin ASes announcing only one prefix: 277 LACNIC Region transit ASes present in the Internet Routing Table: 146 Average LACNIC Region AS path length visible: 5.8 Max LACNIC Region AS path length visible: 29 Number of LACNIC addresses announced to Internet: 50837252 Equivalent to 3 /8s, 7 /16s and 183 /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: 3767 Total AfriNIC prefixes after maximum aggregation: 1212 AfriNIC Deaggregation factor: 3.11 Prefixes being announced from the AfriNIC address blocks: 4141 Unique aggregates announced from the AfriNIC address blocks: 1853 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: 77 AfriNIC Region transit ASes present in the Internet Routing Table: 49 Average AfriNIC Region AS path length visible: 4.6 Max AfriNIC Region AS path length visible: 14 Number of AfriNIC addresses announced to Internet: 11357952 Equivalent to 0 /8s, 173 /16s and 79 /24s Percentage of available AfriNIC address space announced: 33.8
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 1636 387 91 Videsh Sanchar Nigam Ltd. Aut 9583 1165 140 15 Sify Limited 9498 1164 550 62 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 594 450 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 1432 539 204 Global Crossing 4323 1421 1027 374 Time Warner Telecom 7018 1405 10064 997 AT&T WorldNet Services 2386 1396 642 863 AT&T Data Communications Serv 11492 1208 146 47 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 988 598 508 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 411 1787 368 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 277 2678 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 1592 222 54 Telecom Argentina Stet-France 8151 1202 2433 223 UniNet S.A. de C.V. 11830 591 299 9 Instituto Costarricense de El 22047 562 270 14 VTR PUNTO NET S.A. 16814 426 27 10 NSS, S.A. 6471 414 85 46 ENTEL CHILE S.A. 11172 414 117 68 Servicios Alestra S.A de C.V 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 174 190 85 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 2770 3020 115 bellsouth.net, inc. 4538 2045 3134 41 China Education and Research 23577 1686 33 749 Korea Telecom (ATM-MPLS) 4755 1636 387 91 Videsh Sanchar Nigam Ltd. Aut 7303 1592 222 54 Telecom Argentina Stet-France 3549 1432 539 204 Global Crossing 4323 1421 1027 374 Time Warner Telecom 7018 1405 10064 997 AT&T WorldNet Services 2386 1396 642 863 AT&T Data Communications Serv 11492 1208 146 47 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 1636 1545 Videsh Sanchar Nigam Ltd. Aut 7303 1592 1538 Telecom Argentina Stet-France 3549 1432 1228 Global Crossing 11492 1208 1161 Cable One 9583 1165 1150 Sify Limited 9498 1164 1102 BHARTI BT INTERNET LTD. 4323 1421 1047 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 /13:284 /14:511 /15:1005 /16:9935 /17:4426 /18:7366 /19:15506 /20:18180 /21:17507 /22:22338 /23:23058 /24:137112 /25:770 /26:807 /27:265 /28:680 /29:340 /30:200 /31:0 /32:201
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 11492 1194 1208 Cable One 1803 1102 1121 SPRINT 7303 1099 1592 Telecom Argentina Stet-France 2386 1096 1396 AT&T Data Communications Serv 3549 1061 1432 Global Crossing 18566 1024 1043 Covad Communications 9583 1000 1165 Sify Limited 7011 983 1100 Citizens Utilities 4538 982 2045 China Education and Research 4755 974 1636 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 12:2043 13:1 14:1 15:20 16:3 17:6 18:13 20:36 24:1065 25:1 32:200 33:4 38:418 40:94 41:662 44:2 47:8 52:3 55:3 56:3 57:45 58:579 59:495 60:440 61:996 62:1124 63:1965 64:3646 65:2422 66:3679 67:1174 68:673 69:2161 70:604 71:125 72:1670 73:6 74:948 75:227 76:313 77:647 78:609 79:147 80:900 81:854 82:615 83:384 84:547 85:1012 86:406 87:646 88:351 89:1289 90:11 91:1226 92:290 93:354 96:25 97:14 98:141 99:3 116:633 117:309 118:122 119:374 120:9 121:528 122:752 123:319 124:841 125:1120 128:289 129:190 130:127 131:403 132:65 133:9 134:179 135:32 136:219 137:110 138:149 139:66 140:489 141:95 142:438 143:282 144:344 145:50 146:366 147:150 148:484 149:180 150:121 151:181 152:140 153:127 154:11 155:265 156:203 157:252 158:168 159:220 160:252 161:111 162:207 163:196 164:582 165:455 166:321 167:320 168:605 169:126 170:441 171:28 172:3 189:176 190:1985 192:5757 193:4106 194:3280 195:2460 196:1064 198:3643 199:3219 200:5975 201:1597 202:8049 203:7836 204:4000 205:2089 206:2412 207:2806 208:3454 209:3564 210:2907 211:1203 212:1408 213:1654 214:448 215:50 216:4399 217:1233 218:401 219:492 220:1071 221:482 222:369
End of report
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