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Routing Table Report 00:00 GMT Wed 03 Sep, 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: 274573 Prefixes after maximum aggregation: 130993 Deaggregation factor: 2.10 Unique aggregates announced to Internet: 129972 Total ASes present in the Internet Routing Table: 29159 Prefixes per ASN: 9.42 Origin-only ASes present in the Internet Routing Table: 25311 Origin ASes announcing only one prefix: 12287 Transit ASes present in the Internet Routing Table: 3848 Transit-only ASes present in the Internet Routing Table: 87 Average AS path length visible in the Internet Routing Table: 4.7 Max AS path length visible: 30 Max AS path prepend of ASN (13791) 17 Prefixes from unregistered ASNs in the Routing Table: 609 Unregistered ASNs in the Routing Table: 224 Number of 32-bit ASNs allocated by the RIRs: 59 Prefixes from 32-bit ASNs in the Routing Table: 7 Special use prefixes present in the Routing Table: 6 Prefixes being announced from unallocated address space: 773 Number of addresses announced to Internet: 1915045622 Equivalent to 114 /8s, 37 /16s and 70 /24s Percentage of available address space announced: 51.7 Percentage of allocated address space announced: 62.7 Percentage of available address space allocated: 82.3 Percentage of address space in use by end-sites: 73.3 Total number of prefixes smaller than registry allocations: 136018
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 64545 Total APNIC prefixes after maximum aggregation: 22643 APNIC Deaggregation factor: 2.85 Prefixes being announced from the APNIC address blocks: 61588 Unique aggregates announced from the APNIC address blocks: 25973 APNIC Region origin ASes present in the Internet Routing Table: 3368 APNIC Prefixes per ASN: 18.29 APNIC Region origin ASes announcing only one prefix: 908 APNIC Region transit ASes present in the Internet Routing Table: 530 Average APNIC Region AS path length visible: 4.6 Max APNIC Region AS path length visible: 18 Number of APNIC addresses announced to Internet: 375316384 Equivalent to 22 /8s, 94 /16s and 223 /24s Percentage of available APNIC address space announced: 79.9
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: 123718 Total ARIN prefixes after maximum aggregation: 66237 ARIN Deaggregation factor: 1.87 Prefixes being announced from the ARIN address blocks: 91621 Unique aggregates announced from the ARIN address blocks: 35079 ARIN Region origin ASes present in the Internet Routing Table: 12425 ARIN Prefixes per ASN: 7.37 ARIN Region origin ASes announcing only one prefix: 4778 ARIN Region transit ASes present in the Internet Routing Table: 1217 Average ARIN Region AS path length visible: 4.3 Max ARIN Region AS path length visible: 21 Number of ARIN addresses announced to Internet: 362575617 Equivalent to 21 /8s, 156 /16s and 119 /24s Percentage of available ARIN address space announced: 74.5
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: 58567 Total RIPE prefixes after maximum aggregation: 35101 RIPE Deaggregation factor: 1.67 Prefixes being announced from the RIPE address blocks: 54145 Unique aggregates announced from the RIPE address blocks: 35405 RIPE Region origin ASes present in the Internet Routing Table: 11819 RIPE Prefixes per ASN: 4.58 RIPE Region origin ASes announcing only one prefix: 6193 RIPE Region transit ASes present in the Internet Routing Table: 1823 Average RIPE Region AS path length visible: 5.4 Max RIPE Region AS path length visible: 30 Number of RIPE addresses announced to Internet: 370423872 Equivalent to 22 /8s, 20 /16s and 56 /24s Percentage of available RIPE address space announced: 84.9
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: 23105 Total LACNIC prefixes after maximum aggregation: 5294 LACNIC Deaggregation factor: 4.36 Prefixes being announced from the LACNIC address blocks: 21356 Unique aggregates announced from the LACNIC address blocks: 10837 LACNIC Region origin ASes present in the Internet Routing Table: 996 LACNIC Prefixes per ASN: 21.44 LACNIC Region origin ASes announcing only one prefix: 323 LACNIC Region transit ASes present in the Internet Routing Table: 168 Average LACNIC Region AS path length visible: 5.7 Max LACNIC Region AS path length visible: 26 Number of LACNIC addresses announced to Internet: 54928910 Equivalent to 3 /8s, 70 /16s and 38 /24s Percentage of available LACNIC address space announced: 54.6
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: 4030 Total AfriNIC prefixes after maximum aggregation: 1245 AfriNIC Deaggregation factor: 3.24 Prefixes being announced from the AfriNIC address blocks: 4373 Unique aggregates announced from the AfriNIC address blocks: 1955 AfriNIC Region origin ASes present in the Internet Routing Table: 255 AfriNIC Prefixes per ASN: 17.15 AfriNIC Region origin ASes announcing only one prefix: 85 AfriNIC Region transit ASes present in the Internet Routing Table: 54 Average AfriNIC Region AS path length visible: 4.8 Max AfriNIC Region AS path length visible: 18 Number of AfriNIC addresses announced to Internet: 12585472 Equivalent to 0 /8s, 192 /16s and 10 /24s Percentage of available AfriNIC address space announced: 37.5
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 3306 3214 44 China Education and Research 4755 1721 579 93 Videsh Sanchar Nigam Ltd. Aut 17488 1366 90 103 Hathway IP Over Cable Interne 9583 1111 89 492 Sify Limited 4134 852 13627 342 CHINANET-BACKBONE 4766 843 6407 358 Korea Telecom (KIX) 23577 823 33 728 Korea Telecom (ATM-MPLS) 4780 718 353 61 Digital United Inc. 18101 714 167 29 Reliance Infocom Ltd Internet 9498 676 291 53 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 4285 3416 338 bellsouth.net, inc. 6298 2015 324 718 Cox Communicatons 1785 1648 710 154 AppliedTheory Corporation 2386 1561 692 900 AT&T Data Communications Serv 20115 1525 1259 701 Charter Communications 4323 1497 1071 374 Time Warner Telecom 3549 1458 540 214 Global Crossing 7018 1409 9873 979 AT&T WorldNet Services 1803 1281 8 1011 SPRINT 11492 1211 151 22 Cable One
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 418 1776 373 TDC Tele Danmark 3215 396 2756 106 France Telecom Transpac 8452 359 188 11 TEDATA 3301 334 1444 305 TeliaNet Sweden 3320 324 7047 272 Deutsche Telekom AG 8866 317 77 21 Bulgarian Telecommunication C 5462 306 666 26 Telewest Broadband 8551 287 270 38 Bezeq International 1257 279 1131 204 SWIPnet Swedish IP Network 680 275 2047 265 DFN-IP service G-WiN
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 1723 239 67 Telecom Argentina Stet-France 8151 1592 2608 228 UniNet S.A. de C.V. 11830 664 299 9 Instituto Costarricense de El 22047 564 270 14 VTR PUNTO NET S.A. 16814 426 27 10 NSS, S.A. 6471 421 85 48 ENTEL CHILE S.A. 10620 418 103 67 TVCABLE BOGOTA 16735 413 92 11 Companhia de Telecomunicacoes 11172 407 118 71 Servicios Alestra S.A de C.V 14117 343 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 513 65 35 LINKdotNET AS number 20858 402 34 3 EgyNet 3741 265 855 223 The Internet Solution 2018 233 214 138 Tertiary Education Network 6713 144 135 11 Itissalat Al-MAGHRIB 33783 137 10 13 EEPAD TISP TELECOM & INTERNET 5536 120 8 17 Internet Egypt Network 33776 119 6 3 Starcomms Nigeria Limited 5713 118 555 68 Telkom SA Ltd 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 4285 3416 338 bellsouth.net, inc. 4538 3306 3214 44 China Education and Research 6298 2015 324 718 Cox Communicatons 7303 1723 239 67 Telecom Argentina Stet-France 4755 1721 579 93 Videsh Sanchar Nigam Ltd. Aut 1785 1648 710 154 AppliedTheory Corporation 8151 1592 2608 228 UniNet S.A. de C.V. 2386 1561 692 900 AT&T Data Communications Serv 20115 1525 1259 701 Charter Communications 4323 1497 1071 374 Time Warner Telecom
Complete listing at http://thyme.apnic.net/rviews/data-ASnet
Global Per AS Maximum Aggr summary ----------------------------------
ASN No of nets Net Savings Description 4538 3306 3262 China Education and Research 7303 1723 1656 Telecom Argentina Stet-France 4755 1721 1628 Videsh Sanchar Nigam Ltd. Aut 1785 1648 1494 AppliedTheory Corporation 8151 1592 1364 UniNet S.A. de C.V. 6298 2015 1297 Cox Communicatons 17488 1366 1263 Hathway IP Over Cable Interne 3549 1458 1244 Global Crossing 11492 1211 1189 Cable One 4323 1497 1123 Time Warner Telecom
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 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 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 26973 UNALLOCATED 12.39.152.0/24 7018 AT&T WorldNet Servic 26973 UNALLOCATED 12.39.154.0/23 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 24.75.160.0/19 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 63.143.71.0/24 701 UUNET Technologies, Inc. 63.143.115.0/24 701 UUNET Technologies, Inc. 63.143.251.0/24 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 /8:19 /9:9 /10:17 /11:46 /12:147 /13:297 /14:536 /15:1073 /16:10148 /17:4426 /18:7688 /19:16094 /20:19132 /21:18611 /22:23991 /23:24776 /24:143665 /25:876 /26:1106 /27:367 /28:740 /29:375 /30:225 /31:0 /32:209
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 6389 2846 4285 bellsouth.net, inc. 6298 1988 2015 Cox Communicatons 4538 1762 3306 China Education and Research 1803 1259 1281 SPRINT 2386 1238 1561 AT&T Data Communications Serv 7303 1225 1723 Telecom Argentina Stet-France 11492 1192 1211 Cable One 17488 1174 1366 Hathway IP Over Cable Interne 1785 1119 1648 AppliedTheory Corporation 3549 1093 1458 Global Crossing
Complete listing at http://thyme.apnic.net/rviews/data/sXXas-nos
Number of /24s announced per /8 block (Global) ----------------------------------------------
4:8 8:138 12:2162 13:2 14:1 15:22 16:3 17:5 18:13 20:37 24:1076 32:197 38:490 40:92 41:708 43:1 44:2 47:12 52:3 55:3 56:3 57:47 58:559 59:589 60:453 61:973 62:1286 63:1976 64:3414 65:2356 66:3483 67:1227 68:778 69:2296 70:848 71:132 72:2024 73:6 74:1127 75:172 76:288 77:785 78:801 79:246 80:972 81:873 82:586 83:383 84:576 85:981 86:399 87:729 88:339 89:1337 90:43 91:1453 92:254 93:860 94:131 96:63 97:65 98:320 99:6 114:93 115:41 116:1033 117:342 118:202 119:478 120:85 121:606 122:831 123:406 124:851 125:1245 128:356 129:205 130:134 131:411 132:70 133:9 134:188 135:34 136:222 137:93 138:141 139:101 140:505 141:102 142:407 143:321 144:403 145:51 146:383 147:157 148:503 149:291 150:128 151:181 152:147 153:143 154:10 155:283 156:174 157:297 158:163 159:300 160:273 161:137 162:255 163:158 164:516 165:499 166:379 167:451 168:627 169:144 170:456 171:33 172:10 173:33 188:1 189:595 190:2355 192:5814 193:4258 194:3352 195:2655 196:1007 198:3735 199:3303 200:5965 201:1681 202:8210 203:8097 204:3944 205:2151 206:2416 207:2752 208:3668 209:3411 210:2984 211:1253 212:1437 213:1640 214:186 215:50 216:4349 217:1216 218:404 219:522 220:1070 221:428 222:445
End of report
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