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Routing Table Report 00:00 GMT Mon 09 Jun, 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: 264500 Prefixes after maximum aggregation: 129197 Deaggregation factor: 2.05 Unique aggregates announced to Internet: 126290 Total ASes present in the Internet Routing Table: 28423 Prefixes per ASN: 9.31 Origin-only ASes present in the Internet Routing Table: 24664 Origin ASes announcing only one prefix: 11949 Transit ASes present in the Internet Routing Table: 3759 Transit-only ASes present in the Internet Routing Table: 83 Average AS path length visible in the Internet Routing Table: 4.0 Max AS path length visible: 29 Max AS path prepend of ASN (17957) 20 Prefixes from unregistered ASNs in the Routing Table: 635 Unregistered ASNs in the Routing Table: 239 Number of 32-bit ASNs allocated by the RIRs: 48 Prefixes from 32-bit ASNs in the Routing Table: 8 Special use prefixes present in the Routing Table: 4 Prefixes being announced from unallocated address space: 776 Number of addresses announced to Internet: 1894272299 Equivalent to 112 /8s, 232 /16s and 77 /24s Percentage of available address space announced: 51.1 Percentage of allocated address space announced: 62.1 Percentage of available address space allocated: 82.3 Percentage of address space in use by end-sites: 72.1 Total number of prefixes smaller than registry allocations: 129283
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 60866 Total APNIC prefixes after maximum aggregation: 22101 APNIC Deaggregation factor: 2.75 Prefixes being announced from the APNIC address blocks: 57982 Unique aggregates announced from the APNIC address blocks: 24987 APNIC Region origin ASes present in the Internet Routing Table: 3271 APNIC Prefixes per ASN: 17.73 APNIC Region origin ASes announcing only one prefix: 871 APNIC Region transit ASes present in the Internet Routing Table: 522 Average APNIC Region AS path length visible: 4.0 Max APNIC Region AS path length visible: 24 Number of APNIC addresses announced to Internet: 351820448 Equivalent to 20 /8s, 248 /16s and 90 /24s Percentage of available APNIC address space announced: 74.9
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: 120919 Total ARIN prefixes after maximum aggregation: 66254 ARIN Deaggregation factor: 1.83 Prefixes being announced from the ARIN address blocks: 90312 Unique aggregates announced from the ARIN address blocks: 34572 ARIN Region origin ASes present in the Internet Routing Table: 12208 ARIN Prefixes per ASN: 7.40 ARIN Region origin ASes announcing only one prefix: 4725 ARIN Region transit ASes present in the Internet Routing Table: 1197 Average ARIN Region AS path length visible: 3.7 Max ARIN Region AS path length visible: 21 Number of ARIN addresses announced to Internet: 359012609 Equivalent to 21 /8s, 102 /16s and 25 /24s Percentage of available ARIN address space announced: 73.8
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: 56231 Total RIPE prefixes after maximum aggregation: 34013 RIPE Deaggregation factor: 1.65 Prefixes being announced from the RIPE address blocks: 51610 Unique aggregates announced from the RIPE address blocks: 33924 RIPE Region origin ASes present in the Internet Routing Table: 11440 RIPE Prefixes per ASN: 4.51 RIPE Region origin ASes announcing only one prefix: 5976 RIPE Region transit ASes present in the Internet Routing Table: 1759 Average RIPE Region AS path length visible: 4.3 Max RIPE Region AS path length visible: 29 Number of RIPE addresses announced to Internet: 360845248 Equivalent to 21 /8s, 130 /16s and 15 /24s Percentage of available RIPE address space announced: 82.7
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: 21979 Total LACNIC prefixes after maximum aggregation: 5105 LACNIC Deaggregation factor: 4.31 Prefixes being announced from the LACNIC address blocks: 20206 Unique aggregates announced from the LACNIC address blocks: 10354 LACNIC Region origin ASes present in the Internet Routing Table: 957 LACNIC Prefixes per ASN: 21.11 LACNIC Region origin ASes announcing only one prefix: 301 LACNIC Region transit ASes present in the Internet Routing Table: 165 Average LACNIC Region AS path length visible: 4.6 Max LACNIC Region AS path length visible: 27 Number of LACNIC addresses announced to Internet: 52403077 Equivalent to 3 /8s, 31 /16s and 155 /24s Percentage of available LACNIC address space announced: 52.1
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: 3875 Total AfriNIC prefixes after maximum aggregation: 1207 AfriNIC Deaggregation factor: 3.21 Prefixes being announced from the AfriNIC address blocks: 4119 Unique aggregates announced from the AfriNIC address blocks: 1870 AfriNIC Region origin ASes present in the Internet Routing Table: 241 AfriNIC Prefixes per ASN: 17.09 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: 4.4 Max AfriNIC Region AS path length visible: 17 Number of AfriNIC addresses announced to Internet: 12301056 Equivalent to 0 /8s, 187 /16s and 179 /24s Percentage of available AfriNIC address space announced: 36.7
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 2061 3134 41 China Education and Research 4755 1640 387 88 Videsh Sanchar Nigam Ltd. Aut 9498 1174 550 61 BHARTI BT INTERNET LTD. 9583 1117 111 415 Sify Limited 17488 1099 72 73 Hathway IP Over Cable Interne 4134 835 12917 322 CHINANET-BACKBONE 23577 831 33 738 Korea Telecom (ATM-MPLS) 4766 815 6005 344 Korea Telecom (KIX) 18101 691 167 36 Reliance Infocom Ltd Internet 9829 597 450 12 BSNL National Internet Backbo
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 2207 3104 182 bellsouth.net, inc. 4323 1471 1045 379 Time Warner Telecom 3549 1428 540 207 Global Crossing 7018 1376 9903 984 AT&T WorldNet Services 2386 1290 594 936 AT&T Data Communications Serv 11492 1228 148 12 Cable One 1803 1195 7 942 SPRINT 7011 1051 291 584 Citizens Utilities 18566 1044 296 10 Covad Communications 20115 1038 1061 564 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 413 1772 369 TDC Tele Danmark 3301 338 1460 308 TeliaNet Sweden 8452 327 188 7 TEDATA 3320 316 7043 265 Deutsche Telekom AG 8866 316 77 21 Bulgarian Telecommunication C 5462 297 666 26 Telewest Broadband 3215 287 2742 91 France Telecom Transpac 8551 283 269 38 Bezeq International 680 274 2047 264 DFN-IP service G-WiN 9155 271 45 12 QualityNet AS number
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 1645 229 68 Telecom Argentina Stet-France 8151 1237 2464 227 UniNet S.A. de C.V. 11830 603 299 9 Instituto Costarricense de El 22047 565 270 14 VTR PUNTO NET S.A. 16814 426 27 10 NSS, S.A. 6471 413 85 46 ENTEL CHILE S.A. 11172 412 118 69 Servicios Alestra S.A de C.V 10620 384 98 80 TVCABLE BOGOTA 14117 375 23 9 Telefonica del Sur S.A. 16735 363 92 11 Companhia de Telecomunicacoes
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 472 61 28 LINKdotNET AS number 3741 282 853 223 The Internet Solution 20858 224 34 3 EgyNet 2018 191 189 82 Tertiary Education Network 5713 163 558 99 Telkom SA Ltd 6713 146 136 12 Itissalat Al-MAGHRIB 33783 134 10 12 EEPAD TISP TELECOM & INTERNET 5536 121 8 16 Internet Egypt Network 29571 103 13 8 Ci Telecom Autonomous system 33776 100 6 3 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 2207 3104 182 bellsouth.net, inc. 4538 2061 3134 41 China Education and Research 7303 1645 229 68 Telecom Argentina Stet-France 4755 1640 387 88 Videsh Sanchar Nigam Ltd. Aut 4323 1471 1045 379 Time Warner Telecom 3549 1428 540 207 Global Crossing 7018 1376 9903 984 AT&T WorldNet Services 2386 1290 594 936 AT&T Data Communications Serv 8151 1237 2464 227 UniNet S.A. de C.V. 11492 1228 148 12 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 2061 2020 China Education and Research 7303 1645 1577 Telecom Argentina Stet-France 4755 1640 1552 Videsh Sanchar Nigam Ltd. Aut 3549 1428 1221 Global Crossing 11492 1228 1216 Cable One 9498 1174 1113 BHARTI BT INTERNET LTD. 4323 1471 1092 Time Warner Telecom 18566 1044 1034 Covad Communications 17488 1099 1026 Hathway IP Over Cable Interne 8151 1237 1010 UniNet S.A. de C.V.
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 12.0.252.0/23 701 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/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 /12:143 /13:284 /14:519 /15:1035 /16:10016 /17:4396 /18:7396 /19:15608 /20:18352 /21:17781 /22:22827 /23:23392 /24:138815 /25:876 /26:1106 /27:369 /28:709 /29:354 /30:221 /31:0 /32:213
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 6389 1355 2207 bellsouth.net, inc. 11492 1210 1228 Cable One 1803 1173 1195 SPRINT 7303 1149 1645 Telecom Argentina Stet-France 3549 1055 1428 Global Crossing 18566 1025 1044 Covad Communications 2386 990 1290 AT&T Data Communications Serv 4755 989 1640 Videsh Sanchar Nigam Ltd. Aut 4538 975 2061 China Education and Research 9583 971 1117 Sify Limited
Complete listing at http://thyme.apnic.net/rviews/data/sXXas-nos
Number of /24s announced per /8 block (Global) ----------------------------------------------
4:9 8:112 12:2064 13:1 14:1 15:22 16:3 17:5 18:13 20:37 24:1078 25:1 32:199 33:3 38:438 40:93 41:635 43:1 44:2 47:12 52:3 55:4 56:3 57:46 58:579 59:507 60:443 61:1010 62:1146 63:1957 64:3566 65:2422 66:3747 67:1219 68:695 69:2252 70:681 71:126 72:1815 73:5 74:994 75:220 76:313 77:707 78:698 79:186 80:923 81:844 82:581 83:399 84:578 85:1012 86:422 87:690 88:315 89:1258 90:11 91:1288 92:180 93:522 96:32 97:22 98:194 99:3 111:1 114:20 116:668 117:338 118:142 119:447 120:58 121:534 122:785 123:346 124:847 125:1146 128:197 129:203 130:130 131:403 132:67 133:9 134:177 135:33 136:217 137:90 138:152 139:78 140:493 141:99 142:403 143:324 144:351 145:51 146:375 147:154 148:506 149:193 150:129 151:192 152:144 153:136 154:10 155:267 156:174 157:276 158:168 159:226 160:256 161:114 162:232 163:183 164:525 165:458 166:332 167:329 168:615 169:130 170:448 171:29 172:11 189:206 190:2242 192:5805 193:4102 194:3230 195:2510 196:1069 198:3747 199:3265 200:5965 201:1613 202:8143 203:7916 204:3987 205:2110 206:2492 207:2812 208:3520 209:3536 210:2899 211:1182 212:1408 213:1630 214:164 215:49 216:4427 217:1199 218:396 219:507 220:1080 221:468 222:368
End of report
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