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Routing Table Report 04:00 +10GMT Mon 28 Jul, 2008
Report Website: http://thyme.apnic.net Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary ----------------
BGP routing table entries examined: 264028 Prefixes after maximum aggregation: 129204 Deaggregation factor: 2.04 Unique aggregates announced to Internet: 129026 Total ASes present in the Internet Routing Table: 28750 Prefixes per ASN: 9.18 Origin-only ASes present in the Internet Routing Table: 25062 Origin ASes announcing only one prefix: 12121 Transit ASes present in the Internet Routing Table: 3688 Transit-only ASes present in the Internet Routing Table: 81 Average AS path length visible in the Internet Routing Table: 3.6 Max AS path length visible: 18 Max AS path prepend of ASN ( 3816) 15 Prefixes from unregistered ASNs in the Routing Table: 616 Unregistered ASNs in the Routing Table: 218 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: 0 Prefixes being announced from unallocated address space: 776 Number of addresses announced to Internet: 1880161216 Equivalent to 112 /8s, 16 /16s and 251 /24s Percentage of available address space announced: 50.7 Percentage of allocated address space announced: 61.6 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: 128963
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 60564 Total APNIC prefixes after maximum aggregation: 22681 APNIC Deaggregation factor: 2.67 Prefixes being announced from the APNIC address blocks: 57545 Unique aggregates announced from the APNIC address blocks: 25945 APNIC Region origin ASes present in the Internet Routing Table: 3308 APNIC Prefixes per ASN: 17.40 APNIC Region origin ASes announcing only one prefix: 875 APNIC Region transit ASes present in the Internet Routing Table: 520 Average APNIC Region AS path length visible: 3.5 Max APNIC Region AS path length visible: 15 Number of APNIC addresses announced to Internet: 368903968 Equivalent to 21 /8s, 253 /16s and 7 /24s Percentage of available APNIC address space announced: 78.5
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: 121241 Total ARIN prefixes after maximum aggregation: 65075 ARIN Deaggregation factor: 1.86 Prefixes being announced from the ARIN address blocks: 90795 Unique aggregates announced from the ARIN address blocks: 34983 ARIN Region origin ASes present in the Internet Routing Table: 12313 ARIN Prefixes per ASN: 7.37 ARIN Region origin ASes announcing only one prefix: 4758 ARIN Region transit ASes present in the Internet Routing Table: 1158 Average ARIN Region AS path length visible: 3.3 Max ARIN Region AS path length visible: 15 Number of ARIN addresses announced to Internet: 353380384 Equivalent to 21 /8s, 16 /16s and 40 /24s Percentage of available ARIN address space announced: 72.6
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: 56785 Total RIPE prefixes after maximum aggregation: 34487 RIPE Deaggregation factor: 1.65 Prefixes being announced from the RIPE address blocks: 51957 Unique aggregates announced from the RIPE address blocks: 34903 RIPE Region origin ASes present in the Internet Routing Table: 11624 RIPE Prefixes per ASN: 4.47 RIPE Region origin ASes announcing only one prefix: 6095 RIPE Region transit ASes present in the Internet Routing Table: 1749 Average RIPE Region AS path length visible: 4.0 Max RIPE Region AS path length visible: 18 Number of RIPE addresses announced to Internet: 367233632 Equivalent to 21 /8s, 227 /16s and 138 /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: 20790 Total LACNIC prefixes after maximum aggregation: 5257 LACNIC Deaggregation factor: 3.95 Prefixes being announced from the LACNIC address blocks: 19009 Unique aggregates announced from the LACNIC address blocks: 10746 LACNIC Region origin ASes present in the Internet Routing Table: 970 LACNIC Prefixes per ASN: 19.60 LACNIC Region origin ASes announcing only one prefix: 316 LACNIC Region transit ASes present in the Internet Routing Table: 164 Average LACNIC Region AS path length visible: 4.1 Max LACNIC Region AS path length visible: 18 Number of LACNIC addresses announced to Internet: 53857536 Equivalent to 3 /8s, 53 /16s and 205 /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: 4035 Total AfriNIC prefixes after maximum aggregation: 1216 AfriNIC Deaggregation factor: 3.32 Prefixes being announced from the AfriNIC address blocks: 4366 Unique aggregates announced from the AfriNIC address blocks: 1867 AfriNIC Region origin ASes present in the Internet Routing Table: 243 AfriNIC Prefixes per ASN: 17.97 AfriNIC Region origin ASes announcing only one prefix: 77 AfriNIC Region transit ASes present in the Internet Routing Table: 46 Average AfriNIC Region AS path length visible: 3.9 Max AfriNIC Region AS path length visible: 14 Number of AfriNIC addresses announced to Internet: 12519168 Equivalent to 0 /8s, 191 /16s and 7 /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 4755 1677 342 177 Videsh Sanchar Nigam Ltd. Aut 17488 1240 85 99 Hathway IP Over Cable Interne 9583 1146 87 483 Sify Limited 4766 853 6390 347 Korea Telecom (KIX) 4134 829 13603 338 CHINANET-BACKBONE 23577 825 35 698 Korea Telecom (ATM-MPLS) 18101 711 167 33 Reliance Infocom Ltd Internet 4780 710 351 63 Digital United Inc. 9498 655 291 53 BHARTI BT INTERNET LTD. 4808 622 1120 138 CNCGROUP IP network: China169
Complete listing at http://thyme.apnic.net/current/data-ASnet-APNIC
ARIN Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 6389 3208 3359 213 bellsouth.net, inc. 209 2992 3859 623 Qwest 6298 1648 237 780 Cox Communicatons 4323 1486 1062 380 Time Warner Telecom 2386 1476 662 874 AT&T Data Communications Serv 7018 1408 5839 991 AT&T WorldNet Services 1785 1227 510 104 AppliedTheory Corporation 11492 1208 149 28 Cable One 20115 1118 1082 572 Charter Communications 18566 1045 296 10 Covad Communications
Complete listing at http://thyme.apnic.net/current/data-ASnet-ARIN
RIPE Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 3292 413 1792 371 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 296 666 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/current/data-ASnet-RIPE
LACNIC Region per AS prefix count summary -----------------------------------------
ASN No of nets /20 equiv MaxAgg Description 8151 1389 2590 225 UniNet S.A. de C.V. 11830 612 299 9 Instituto Costarricense de El 22047 565 270 14 VTR PUNTO NET S.A. 7303 473 234 61 Telecom Argentina Stet-France 16814 426 27 10 NSS, S.A. 6471 415 85 48 ENTEL CHILE S.A. 11172 408 118 71 Servicios Alestra S.A de C.V 10620 407 107 56 TVCABLE BOGOTA 14117 375 23 9 Telefonica del Sur S.A. 20299 331 23 104 NEWCOM AMERICAS
Complete listing at http://thyme.apnic.net/current/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary ------------------------------------------
ASN No of nets /20 equiv MaxAgg Description 24863 478 61 25 LINKdotNET AS number 20858 398 34 3 EgyNet 3741 268 855 223 The Internet Solution 2018 209 197 131 Tertiary Education Network 6713 143 135 11 Itissalat Al-MAGHRIB 33783 135 10 12 EEPAD TISP TELECOM & INTERNET 5713 131 556 76 Telkom SA Ltd 5536 120 8 17 Internet Egypt Network 33776 116 6 3 Starcomms Nigeria Limited 29571 107 13 8 Ci Telecom Autonomous system
Complete listing at http://thyme.apnic.net/current/data-ASnet-AFRINIC
Global Per AS prefix count summary ----------------------------------
ASN No of nets /20 equiv MaxAgg Description 6389 3208 3359 213 bellsouth.net, inc. 209 2992 3859 623 Qwest 4755 1677 342 177 Videsh Sanchar Nigam Ltd. Aut 6298 1648 237 780 Cox Communicatons 4323 1486 1062 380 Time Warner Telecom 2386 1476 662 874 AT&T Data Communications Serv 7018 1408 5839 991 AT&T WorldNet Services 8151 1389 2590 225 UniNet S.A. de C.V. 17488 1240 85 99 Hathway IP Over Cable Interne 1785 1227 510 104 AppliedTheory Corporation
Complete listing at http://thyme.apnic.net/current/data-ASnet
Global Per AS Maximum Aggr summary ----------------------------------
ASN No of nets Net Savings Description 209 2992 2369 Qwest 4755 1677 1500 Videsh Sanchar Nigam Ltd. Aut 11492 1208 1180 Cable One 8151 1389 1164 UniNet S.A. de C.V. 17488 1240 1141 Hathway IP Over Cable Interne 1785 1227 1123 AppliedTheory Corporation 4323 1486 1106 Time Warner Telecom 18566 1045 1035 Covad Communications 22773 972 908 Cox Communications, Inc. 6298 1648 868 Cox Communicatons
Complete listing at http://thyme.apnic.net/current/data-CIDRnet
List of Unregistered Origin ASNs (Global) -----------------------------------------
Bad AS Designation Network Transit AS Description 16927 UNALLOCATED 12.0.252.0/23 701 UUNET Technologies, 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/current/data-badAS
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/current/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 /8:18 /9:9 /10:16 /11:45 /12:145 /13:288 /14:519 /15:1044 /16:10021 /17:4336 /18:7534 /19:15893 /20:18563 /21:18184 /22:22738 /23:23708 /24:138261 /25:838 /26:1014 /27:758 /28:82 /29:7 /30:1 /31:0 /32:6
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 6389 2039 3208 bellsouth.net, inc. 209 1743 2992 Qwest 6298 1624 1648 Cox Communicatons 11492 1190 1208 Cable One 2386 1179 1476 AT&T Data Communications Serv 17488 1050 1240 Hathway IP Over Cable Interne 4755 1029 1677 Videsh Sanchar Nigam Ltd. Aut 18566 1026 1045 Covad Communications 6478 1006 1015 AT&T Worldnet Services 9583 1002 1146 Sify Limited
Complete listing at http://thyme.apnic.net/current/data/sXXas-nos
Number of /24s announced per /8 block (Global) ----------------------------------------------
4:8 8:126 12:2102 13:2 15:22 16:3 17:5 18:13 20:35 24:1096 32:60 38:468 40:92 41:675 43:1 44:2 47:12 52:3 55:3 56:3 57:25 58:521 59:506 60:453 61:993 62:1201 63:2036 64:3254 65:2392 66:3503 67:1229 68:744 69:2272 70:805 71:117 72:1967 73:5 74:1075 75:155 76:309 77:745 78:758 79:211 80:942 81:844 82:602 83:376 84:563 85:949 86:411 87:691 88:338 89:1321 90:15 91:1393 92:234 93:710 94:80 96:48 97:35 98:266 99:4 112:1 113:1 114:84 115:19 116:866 117:323 118:189 119:426 120:55 121:568 122:804 123:368 124:900 125:1178 128:361 129:198 130:134 131:410 132:66 133:9 134:186 135:32 136:224 137:92 138:146 139:93 140:495 141:98 142:405 143:331 144:390 145:51 146:372 147:157 148:517 149:196 150:125 151:180 152:143 153:136 154:10 155:252 156:175 157:289 158:187 159:239 160:275 161:118 162:215 163:155 164:517 165:453 166:319 167:331 168:620 169:139 170:426 171:32 172:10 188:1 189:305 190:2226 192:5791 193:4099 194:3223 195:2535 196:1032 198:3726 199:3285 200:5590 201:1462 202:7667 203:8055 204:3969 205:2127 206:2366 207:2750 208:3460 209:3515 210:2586 211:1073 212:1411 213:1597 214:165 215:49 216:4461 217:1227 218:341 219:423 220:1059 221:453 222:312
End of report
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