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Routing Table Report 00:00 GMT Tue 29 Jul, 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: 269850 Prefixes after maximum aggregation: 130600 Deaggregation factor: 2.07 Unique aggregates announced to Internet: 128818 Total ASes present in the Internet Routing Table: 28820 Prefixes per ASN: 9.36 Origin-only ASes present in the Internet Routing Table: 25049 Origin ASes announcing only one prefix: 12151 Transit ASes present in the Internet Routing Table: 3771 Transit-only ASes present in the Internet Routing Table: 80 Average AS path length visible in the Internet Routing Table: 3.9 Max AS path length visible: 35 Max AS path prepend of ASN (35412) 22 Prefixes from unregistered ASNs in the Routing Table: 615 Unregistered ASNs in the Routing Table: 228 Number of 32-bit ASNs allocated by the RIRs: 52 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: 797 Number of addresses announced to Internet: 1899732276 Equivalent to 113 /8s, 59 /16s and 157 /24s Percentage of available address space announced: 51.3 Percentage of allocated address space announced: 62.2 Percentage of available address space allocated: 82.3 Percentage of address space in use by end-sites: 72.8 Total number of prefixes smaller than registry allocations: 132907
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 62545 Total APNIC prefixes after maximum aggregation: 22636 APNIC Deaggregation factor: 2.76 Prefixes being announced from the APNIC address blocks: 59621 Unique aggregates announced from the APNIC address blocks: 25646 APNIC Region origin ASes present in the Internet Routing Table: 3326 APNIC Prefixes per ASN: 17.93 APNIC Region origin ASes announcing only one prefix: 898 APNIC Region transit ASes present in the Internet Routing Table: 528 Average APNIC Region AS path length visible: 4.4 Max APNIC Region AS path length visible: 22 Number of APNIC addresses announced to Internet: 369478048 Equivalent to 22 /8s, 5 /16s and 201 /24s Percentage of available APNIC address space announced: 78.7
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: 122673 Total ARIN prefixes after maximum aggregation: 66462 ARIN Deaggregation factor: 1.85 Prefixes being announced from the ARIN address blocks: 91414 Unique aggregates announced from the ARIN address blocks: 35128 ARIN Region origin ASes present in the Internet Routing Table: 12338 ARIN Prefixes per ASN: 7.41 ARIN Region origin ASes announcing only one prefix: 4766 ARIN Region transit ASes present in the Internet Routing Table: 1189 Average ARIN Region AS path length visible: 3.4 Max ARIN Region AS path length visible: 20 Number of ARIN addresses announced to Internet: 355756289 Equivalent to 21 /8s, 52 /16s and 105 /24s Percentage of available ARIN address space announced: 73.1
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: 57430 Total RIPE prefixes after maximum aggregation: 34590 RIPE Deaggregation factor: 1.66 Prefixes being announced from the RIPE address blocks: 52849 Unique aggregates announced from the RIPE address blocks: 34831 RIPE Region origin ASes present in the Internet Routing Table: 11652 RIPE Prefixes per ASN: 4.54 RIPE Region origin ASes announcing only one prefix: 6104 RIPE Region transit ASes present in the Internet Routing Table: 1774 Average RIPE Region AS path length visible: 4.3 Max RIPE Region AS path length visible: 35 Number of RIPE addresses announced to Internet: 367183682 Equivalent to 21 /8s, 226 /16s and 199 /24s Percentage of available RIPE address space announced: 84.2
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: 22554 Total LACNIC prefixes after maximum aggregation: 5202 LACNIC Deaggregation factor: 4.34 Prefixes being announced from the LACNIC address blocks: 20784 Unique aggregates announced from the LACNIC address blocks: 10747 LACNIC Region origin ASes present in the Internet Routing Table: 968 LACNIC Prefixes per ASN: 21.47 LACNIC Region origin ASes announcing only one prefix: 307 LACNIC Region transit ASes present in the Internet Routing Table: 164 Average LACNIC Region AS path length visible: 4.7 Max LACNIC Region AS path length visible: 27 Number of LACNIC addresses announced to Internet: 53879050 Equivalent to 3 /8s, 54 /16s and 33 /24s Percentage of available LACNIC address space announced: 53.5
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: 4039 Total AfriNIC prefixes after maximum aggregation: 1221 AfriNIC Deaggregation factor: 3.31 Prefixes being announced from the AfriNIC address blocks: 4364 Unique aggregates announced from the AfriNIC address blocks: 1851 AfriNIC Region origin ASes present in the Internet Routing Table: 245 AfriNIC Prefixes per ASN: 17.81 AfriNIC Region origin ASes announcing only one prefix: 76 AfriNIC Region transit ASes present in the Internet Routing Table: 48 Average AfriNIC Region AS path length visible: 4.1 Max AfriNIC Region AS path length visible: 17 Number of AfriNIC addresses announced to Internet: 12514304 Equivalent to 0 /8s, 190 /16s and 244 /24s Percentage of available AfriNIC address space announced: 37.3
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 2099 3134 41 China Education and Research 4755 1685 386 88 Videsh Sanchar Nigam Ltd. Aut 17488 1252 86 95 Hathway IP Over Cable Interne 9583 1136 86 485 Sify Limited 4134 841 13603 337 CHINANET-BACKBONE 23577 834 34 735 Korea Telecom (ATM-MPLS) 4766 824 6390 348 Korea Telecom (KIX) 4780 714 351 63 Digital United Inc. 18101 711 167 33 Reliance Infocom Ltd Internet 9498 660 291 55 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 3204 3359 213 bellsouth.net, inc. 6298 1710 241 800 Cox Communicatons 2386 1486 649 885 AT&T Data Communications Serv 4323 1485 1062 380 Time Warner Telecom 3549 1438 539 211 Global Crossing 7018 1410 9926 982 AT&T WorldNet Services 1785 1258 510 104 AppliedTheory Corporation 1803 1240 7 985 SPRINT 11492 1208 149 28 Cable One 20115 1116 1082 570 Charter 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 1792 372 TDC Tele Danmark 8452 348 188 11 TEDATA 3301 332 1460 303 TeliaNet Sweden 3320 322 7047 270 Deutsche Telekom AG 8866 317 77 21 Bulgarian Telecommunication C 5462 308 666 27 Telewest Broadband 8551 287 270 38 Bezeq International 3215 277 2758 90 France Telecom Transpac 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 1666 233 60 Telecom Argentina Stet-France 8151 1388 2590 224 UniNet S.A. de C.V. 11830 612 299 9 Instituto Costarricense de El 22047 565 270 14 VTR PUNTO NET S.A. 16814 426 27 10 NSS, S.A. 6471 414 85 48 ENTEL CHILE S.A. 11172 408 118 71 Servicios Alestra S.A de C.V 10620 406 107 61 TVCABLE BOGOTA 16735 396 92 12 Companhia de Telecomunicacoes 14117 375 23 9 Telefonica del Sur 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 477 61 24 LINKdotNET AS number 20858 398 34 3 EgyNet 3741 273 855 223 The Internet Solution 2018 211 213 131 Tertiary Education Network 6713 144 135 11 Itissalat Al-MAGHRIB 33783 136 10 8 EEPAD TISP TELECOM & INTERNET 5713 130 540 75 Telkom SA Ltd 5536 120 8 17 Internet Egypt Network 33776 115 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 3204 3359 213 bellsouth.net, inc. 4538 2099 3134 41 China Education and Research 6298 1710 241 800 Cox Communicatons 4755 1685 386 88 Videsh Sanchar Nigam Ltd. Aut 7303 1666 233 60 Telecom Argentina Stet-France 2386 1486 649 885 AT&T Data Communications Serv 4323 1485 1062 380 Time Warner Telecom 3549 1438 539 211 Global Crossing 7018 1410 9926 982 AT&T WorldNet Services 8151 1388 2590 224 UniNet S.A. de C.V.
Complete listing at http://thyme.apnic.net/rviews/data-ASnet
Global Per AS Maximum Aggr summary ----------------------------------
ASN No of nets Net Savings Description 4538 2099 2058 China Education and Research 7303 1666 1606 Telecom Argentina Stet-France 4755 1685 1597 Videsh Sanchar Nigam Ltd. Aut 3549 1438 1227 Global Crossing 11492 1208 1180 Cable One 8151 1388 1164 UniNet S.A. de C.V. 17488 1252 1157 Hathway IP Over Cable Interne 1785 1258 1154 AppliedTheory Corporation 4323 1485 1105 Time Warner Telecom 18566 1045 1035 Covad Communications
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 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 24.48.244.0/23 7843 Adelphia Corp. 24.48.246.0/24 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
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 /11:46 /12:146 /13:293 /14:525 /15:1056 /16:10088 /17:4387 /18:7570 /19:15853 /20:18643 /21:18203 /22:23377 /23:24000 /24:141743 /25:880 /26:1115 /27:365 /28:717 /29:366 /30:215 /31:1 /32:217
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 6389 2035 3204 bellsouth.net, inc. 6298 1686 1710 Cox Communicatons 1803 1217 1240 SPRINT 11492 1190 1208 Cable One 2386 1181 1486 AT&T Data Communications Serv 7303 1176 1666 Telecom Argentina Stet-France 3549 1074 1438 Global Crossing 17488 1062 1252 Hathway IP Over Cable Interne 4755 1033 1685 Videsh Sanchar Nigam Ltd. Aut 18566 1026 1045 Covad Communications
Complete listing at http://thyme.apnic.net/rviews/data/sXXas-nos
Number of /24s announced per /8 block (Global) ----------------------------------------------
4:8 8:128 12:2121 13:2 14:1 15:22 16:3 17:6 18:13 20:37 24:1101 32:198 38:469 40:92 41:673 43:1 44:2 47:12 50:1 52:3 55:3 56:3 57:46 58:557 59:536 60:453 61:1025 62:1221 63:1971 64:3509 65:2384 66:3552 67:1225 68:746 69:2273 70:800 71:117 72:1965 73:5 74:1080 75:156 76:311 77:761 78:757 79:209 80:940 81:845 82:615 83:381 84:558 85:952 86:413 87:700 88:338 89:1319 90:15 91:1392 92:233 93:754 94:88 96:51 97:35 98:323 99:4 112:1 113:1 114:82 115:19 116:883 117:337 118:189 119:427 120:60 121:571 122:807 123:374 124:902 125:1184 128:360 129:201 130:134 131:410 132:66 133:9 134:187 135:33 136:224 137:93 138:146 139:100 140:496 141:98 142:405 143:326 144:390 145:51 146:383 147:157 148:518 149:199 150:125 151:180 152:146 153:143 154:10 155:251 156:176 157:290 158:187 159:239 160:272 161:119 162:215 163:155 164:513 165:465 166:335 167:332 168:625 169:139 170:451 171:32 172:10 188:1 189:335 190:2439 192:5809 193:4175 194:3267 195:2594 196:1032 198:3731 199:3290 200:5944 201:1618 202:8192 203:8056 204:3982 205:2138 206:2453 207:2774 208:3638 209:3579 210:2967 211:1235 212:1427 213:1591 214:163 215:49 216:4493 217:1231 218:393 219:506 220:1065 221:454 222:375
End of report
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