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Routing Table Report 00:00 GMT Wed 30 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: 270062 Prefixes after maximum aggregation: 130621 Deaggregation factor: 2.07 Unique aggregates announced to Internet: 129002 Total ASes present in the Internet Routing Table: 28846 Prefixes per ASN: 9.36 Origin-only ASes present in the Internet Routing Table: 25059 Origin ASes announcing only one prefix: 12146 Transit ASes present in the Internet Routing Table: 3787 Transit-only ASes present in the Internet Routing Table: 89 Average AS path length visible in the Internet Routing Table: 4.0 Max AS path length visible: 35 Max AS path prepend of ASN (35412) 22 Prefixes from unregistered ASNs in the Routing Table: 605 Unregistered ASNs in the Routing Table: 227 Number of 32-bit ASNs allocated by the RIRs: 53 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: 798 Number of addresses announced to Internet: 1900076338 Equivalent to 113 /8s, 64 /16s and 221 /24s Percentage of available address space announced: 51.3 Percentage of allocated address space announced: 62.3 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: 132991
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 62574 Total APNIC prefixes after maximum aggregation: 22658 APNIC Deaggregation factor: 2.76 Prefixes being announced from the APNIC address blocks: 59650 Unique aggregates announced from the APNIC address blocks: 25737 APNIC Region origin ASes present in the Internet Routing Table: 3329 APNIC Prefixes per ASN: 17.92 APNIC Region origin ASes announcing only one prefix: 898 APNIC Region transit ASes present in the Internet Routing Table: 529 Average APNIC Region AS path length visible: 4.4 Max APNIC Region AS path length visible: 22 Number of APNIC addresses announced to Internet: 369613472 Equivalent to 22 /8s, 7 /16s and 218 /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: 122773 Total ARIN prefixes after maximum aggregation: 66441 ARIN Deaggregation factor: 1.85 Prefixes being announced from the ARIN address blocks: 91463 Unique aggregates announced from the ARIN address blocks: 35152 ARIN Region origin ASes present in the Internet Routing Table: 12332 ARIN Prefixes per ASN: 7.42 ARIN Region origin ASes announcing only one prefix: 4758 ARIN Region transit ASes present in the Internet Routing Table: 1190 Average ARIN Region AS path length visible: 3.4 Max ARIN Region AS path length visible: 20 Number of ARIN addresses announced to Internet: 355832577 Equivalent to 21 /8s, 53 /16s and 147 /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: 57550 Total RIPE prefixes after maximum aggregation: 34616 RIPE Deaggregation factor: 1.66 Prefixes being announced from the RIPE address blocks: 53008 Unique aggregates announced from the RIPE address blocks: 34899 RIPE Region origin ASes present in the Internet Routing Table: 11671 RIPE Prefixes per ASN: 4.54 RIPE Region origin ASes announcing only one prefix: 6105 RIPE Region transit ASes present in the Internet Routing Table: 1786 Average RIPE Region AS path length visible: 4.5 Max RIPE Region AS path length visible: 35 Number of RIPE addresses announced to Internet: 367413312 Equivalent to 21 /8s, 230 /16s and 72 /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: 22564 Total LACNIC prefixes after maximum aggregation: 5207 LACNIC Deaggregation factor: 4.33 Prefixes being announced from the LACNIC address blocks: 20791 Unique aggregates announced from the LACNIC address blocks: 10757 LACNIC Region origin ASes present in the Internet Routing Table: 971 LACNIC Prefixes per ASN: 21.41 LACNIC Region origin ASes announcing only one prefix: 310 LACNIC Region transit ASes present in the Internet Routing Table: 163 Average LACNIC Region AS path length visible: 4.7 Max LACNIC Region AS path length visible: 27 Number of LACNIC addresses announced to Internet: 54020362 Equivalent to 3 /8s, 56 /16s and 73 /24s Percentage of available LACNIC address space announced: 53.7
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: 4002 Total AfriNIC prefixes after maximum aggregation: 1215 AfriNIC Deaggregation factor: 3.29 Prefixes being announced from the AfriNIC address blocks: 4352 Unique aggregates announced from the AfriNIC address blocks: 1861 AfriNIC Region origin ASes present in the Internet Routing Table: 244 AfriNIC Prefixes per ASN: 17.84 AfriNIC Region origin ASes announcing only one prefix: 75 AfriNIC Region transit ASes present in the Internet Routing Table: 48 Average AfriNIC Region AS path length visible: 4.2 Max AfriNIC Region AS path length visible: 17 Number of AfriNIC addresses announced to Internet: 12090368 Equivalent to 0 /8s, 184 /16s and 124 /24s Percentage of available AfriNIC address space announced: 36.0
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 1686 386 89 Videsh Sanchar Nigam Ltd. Aut 17488 1253 86 96 Hathway IP Over Cable Interne 9583 1135 86 483 Sify Limited 4134 841 13603 337 CHINANET-BACKBONE 23577 833 34 734 Korea Telecom (ATM-MPLS) 4766 824 6390 348 Korea Telecom (KIX) 4780 715 353 64 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 3205 3359 213 bellsouth.net, inc. 6298 1711 242 801 Cox Communicatons 2386 1488 649 887 AT&T Data Communications Serv 4323 1487 1062 380 Time Warner Telecom 3549 1440 539 214 Global Crossing 7018 1407 9926 979 AT&T WorldNet Services 1785 1316 510 104 AppliedTheory Corporation 1803 1241 7 984 SPRINT 11492 1210 149 27 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 347 188 11 TEDATA 3301 332 1460 303 TeliaNet Sweden 3320 322 7047 270 Deutsche Telekom AG 8866 316 77 21 Bulgarian Telecommunication C 5462 307 666 27 Telewest Broadband 3215 298 2756 106 France Telecom Transpac 8551 288 270 38 Bezeq International 680 274 2047 264 DFN-IP service G-WiN 6746 266 125 241 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 1681 234 62 Telecom Argentina Stet-France 8151 1391 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 407 107 56 TVCABLE BOGOTA 16735 397 92 13 Companhia de Telecomunicacoes 14117 374 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 478 62 19 LINKdotNET AS number 20858 374 34 3 EgyNet 3741 267 855 223 The Internet Solution 2018 211 213 131 Tertiary Education Network 6713 144 135 11 Itissalat Al-MAGHRIB 33783 134 10 12 EEPAD TISP TELECOM & INTERNET 5713 130 540 75 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/rviews/data-ASnet-AFRINIC
Global Per AS prefix count summary ----------------------------------
ASN No of nets /20 equiv MaxAgg Description 6389 3205 3359 213 bellsouth.net, inc. 4538 2099 3134 41 China Education and Research 6298 1711 242 801 Cox Communicatons 4755 1686 386 89 Videsh Sanchar Nigam Ltd. Aut 7303 1681 234 62 Telecom Argentina Stet-France 2386 1488 649 887 AT&T Data Communications Serv 4323 1487 1062 380 Time Warner Telecom 3549 1440 539 214 Global Crossing 7018 1407 9926 979 AT&T WorldNet Services 8151 1391 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 1681 1619 Telecom Argentina Stet-France 4755 1686 1597 Videsh Sanchar Nigam Ltd. Aut 3549 1440 1226 Global Crossing 1785 1316 1212 AppliedTheory Corporation 11492 1210 1183 Cable One 8151 1391 1167 UniNet S.A. de C.V. 17488 1253 1157 Hathway IP Over Cable Interne 4323 1487 1107 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 /14:524 /15:1057 /16:10101 /17:4388 /18:7584 /19:15862 /20:18652 /21:18210 /22:23416 /23:24024 /24:141821 /25:882 /26:1129 /27:364 /28:718 /29:367 /30:215 /31:0 /32:219
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 6389 2036 3205 bellsouth.net, inc. 6298 1687 1711 Cox Communicatons 1803 1218 1241 SPRINT 11492 1192 1210 Cable One 7303 1187 1681 Telecom Argentina Stet-France 2386 1183 1488 AT&T Data Communications Serv 3549 1076 1440 Global Crossing 17488 1063 1253 Hathway IP Over Cable Interne 4755 1033 1686 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 12:2122 13:2 14:1 15:22 16:3 17:5 18:13 20:37 24:1101 32:198 38:468 40:92 41:686 43:1 44:2 47:12 50:2 52:3 55:2 56:3 57:46 58:556 59:536 60:453 61:1003 62:1223 63:1966 64:3513 65:2381 66:3540 67:1228 68:746 69:2272 70:801 71:117 72:1964 73:5 74:1087 75:156 76:312 77:758 78:763 79:211 80:944 81:846 82:613 83:381 84:549 85:951 86:412 87:701 88:339 89:1327 90:14 91:1398 92:234 93:755 94:88 96:51 97:36 98:327 99:4 112:1 113:1 114:74 115:20 116:878 117:336 118:188 119:432 120:60 121:571 122:806 123:389 124:901 125:1182 128:360 129:201 130:135 131:399 132:66 133:9 134:187 135:33 136:223 137:93 138:146 139:100 140:490 141:98 142:405 143:324 144:391 145:51 146:384 147:156 148:518 149:199 150:125 151:180 152:146 153:143 154:10 155:251 156:176 157:290 158:187 159:238 160:274 161:119 162:215 163:155 164:517 165:465 166:333 167:331 168:624 169:139 170:451 171:32 172:10 188:1 189:337 190:2427 192:5805 193:4196 194:3269 195:2596 196:1028 198:3726 199:3299 200:5944 201:1625 202:8196 203:8068 204:3984 205:2147 206:2447 207:2778 208:3633 209:3572 210:2972 211:1234 212:1428 213:1613 214:166 215:49 216:4506 217:1245 218:394 219:506 220:1066 221:453 222:375
End of report
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