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Routing Table Report 00:00 GMT Wed 01 Oct, 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: 275759 Prefixes after maximum aggregation: 131639 Deaggregation factor: 2.09 Unique aggregates announced to Internet: 131447 Total ASes present in the Internet Routing Table: 29428 Prefixes per ASN: 9.37 Origin-only ASes present in the Internet Routing Table: 25483 Origin ASes announcing only one prefix: 12459 Transit ASes present in the Internet Routing Table: 3945 Transit-only ASes present in the Internet Routing Table: 91 Average AS path length visible in the Internet Routing Table: 3.7 Max AS path length visible: 25 Max AS path prepend of ASN (13791) 17 Prefixes from unregistered ASNs in the Routing Table: 569 Unregistered ASNs in the Routing Table: 218 Number of 32-bit ASNs allocated by the RIRs: 60 Prefixes from 32-bit ASNs in the Routing Table: 9 Special use prefixes present in the Routing Table: 6 Prefixes being announced from unallocated address space: 774 Number of addresses announced to Internet: 1926007290 Equivalent to 114 /8s, 204 /16s and 137 /24s Percentage of available address space announced: 52.0 Percentage of allocated address space announced: 63.1 Percentage of available address space allocated: 82.3 Percentage of address space in use by end-sites: 73.7 Total number of prefixes smaller than registry allocations: 136401
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 65138 Total APNIC prefixes after maximum aggregation: 22963 APNIC Deaggregation factor: 2.84 Prefixes being announced from the APNIC address blocks: 62119 Unique aggregates announced from the APNIC address blocks: 26319 APNIC Region origin ASes present in the Internet Routing Table: 3399 APNIC Prefixes per ASN: 18.28 APNIC Region origin ASes announcing only one prefix: 921 APNIC Region transit ASes present in the Internet Routing Table: 534 Average APNIC Region AS path length visible: 4.3 Max APNIC Region AS path length visible: 21 Number of APNIC addresses announced to Internet: 378171680 Equivalent to 22 /8s, 138 /16s and 113 /24s Percentage of available APNIC address space announced: 80.5
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: 122893 Total ARIN prefixes after maximum aggregation: 66141 ARIN Deaggregation factor: 1.86 Prefixes being announced from the ARIN address blocks: 91063 Unique aggregates announced from the ARIN address blocks: 35354 ARIN Region origin ASes present in the Internet Routing Table: 12497 ARIN Prefixes per ASN: 7.29 ARIN Region origin ASes announcing only one prefix: 4828 ARIN Region transit ASes present in the Internet Routing Table: 1230 Average ARIN Region AS path length visible: 3.3 Max ARIN Region AS path length visible: 20 Number of ARIN addresses announced to Internet: 364867713 Equivalent to 21 /8s, 191 /16s and 112 /24s Percentage of available ARIN address space announced: 75.0
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: 59589 Total RIPE prefixes after maximum aggregation: 35483 RIPE Deaggregation factor: 1.68 Prefixes being announced from the RIPE address blocks: 55212 Unique aggregates announced from the RIPE address blocks: 36025 RIPE Region origin ASes present in the Internet Routing Table: 11983 RIPE Prefixes per ASN: 4.61 RIPE Region origin ASes announcing only one prefix: 6305 RIPE Region transit ASes present in the Internet Routing Table: 1888 Average RIPE Region AS path length visible: 3.8 Max RIPE Region AS path length visible: 25 Number of RIPE addresses announced to Internet: 373547588 Equivalent to 22 /8s, 67 /16s and 226 /24s Percentage of available RIPE address space announced: 85.6
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, 47104-49151 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: 23436 Total LACNIC prefixes after maximum aggregation: 5331 LACNIC Deaggregation factor: 4.40 Prefixes being announced from the LACNIC address blocks: 21550 Unique aggregates announced from the LACNIC address blocks: 11077 LACNIC Region origin ASes present in the Internet Routing Table: 1003 LACNIC Prefixes per ASN: 21.49 LACNIC Region origin ASes announcing only one prefix: 322 LACNIC Region transit ASes present in the Internet Routing Table: 170 Average LACNIC Region AS path length visible: 4.2 Max LACNIC Region AS path length visible: 17 Number of LACNIC addresses announced to Internet: 56927502 Equivalent to 3 /8s, 100 /16s and 165 /24s Percentage of available LACNIC address space announced: 56.6
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: 4136 Total AfriNIC prefixes after maximum aggregation: 1275 AfriNIC Deaggregation factor: 3.24 Prefixes being announced from the AfriNIC address blocks: 4432 Unique aggregates announced from the AfriNIC address blocks: 2058 AfriNIC Region origin ASes present in the Internet Routing Table: 259 AfriNIC Prefixes per ASN: 17.11 AfriNIC Region origin ASes announcing only one prefix: 83 AfriNIC Region transit ASes present in the Internet Routing Table: 55 Average AfriNIC Region AS path length visible: 3.9 Max AfriNIC Region AS path length visible: 19 Number of AfriNIC addresses announced to Internet: 12749568 Equivalent to 0 /8s, 194 /16s and 139 /24s Percentage of available AfriNIC address space announced: 38.0
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 3347 3214 44 China Education and Research 4755 1554 577 103 Videsh Sanchar Nigam Ltd. Aut 17488 1393 94 100 Hathway IP Over Cable Interne 9583 1105 86 473 Sify Limited 4134 854 13665 344 CHINANET-BACKBONE 4766 846 6406 360 Korea Telecom (KIX) 18101 781 161 63 Reliance Infocom Ltd Internet 23577 777 33 690 Korea Telecom (ATM-MPLS) 4780 721 353 61 Digital United Inc. 9498 677 295 54 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 4294 3416 339 bellsouth.net, inc. 6298 2008 319 712 Cox Communicatons 20115 1806 1422 713 Charter Communications 1785 1668 717 154 AppliedTheory Corporation 2386 1555 685 906 AT&T Data Communications Serv 4323 1524 1083 369 Time Warner Telecom 7018 1409 9882 973 AT&T WorldNet Services 1803 1319 9 1045 SPRINT 11492 1212 152 11 Cable One 6478 1194 242 187 AT&T Worldnet Services
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 434 1777 381 TDC Tele Danmark 30890 335 90 181 SC Kappa Invexim SRL 3301 330 1428 301 TeliaNet Sweden 3215 328 2756 107 France Telecom Transpac 3320 324 7063 272 Deutsche Telekom AG 5462 324 794 27 Telewest Broadband 8866 323 79 22 Bulgarian Telecommunication C 8452 312 188 11 TEDATA 35228 303 88 5 Avatar Broadband Limited 8551 287 270 37 Bezeq International
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 1721 241 71 Telecom Argentina Stet-France 8151 1411 2847 222 UniNet S.A. de C.V. 11830 669 299 9 Instituto Costarricense de El 22047 564 270 14 VTR PUNTO NET S.A. 10620 500 121 70 TVCABLE BOGOTA 16814 426 27 10 NSS, S.A. 6471 420 85 48 ENTEL CHILE S.A. 16735 420 92 10 Companhia de Telecomunicacoes 11172 411 118 71 Servicios Alestra S.A de C.V 7738 373 730 27 Telecomunicacoes da Bahia 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 545 71 39 LINKdotNET AS number 20858 401 34 3 EgyNet 3741 260 855 220 The Internet Solution 2018 232 215 139 Tertiary Education Network 6713 137 135 11 Itissalat Al-MAGHRIB 33783 137 10 13 EEPAD TISP TELECOM & INTERNET 5536 120 8 17 Internet Egypt Network 5713 119 555 69 Telkom SA Ltd 33776 116 6 3 Starcomms Nigeria Limited 29571 108 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 4294 3416 339 bellsouth.net, inc. 4538 3347 3214 44 China Education and Research 6298 2008 319 712 Cox Communicatons 20115 1806 1422 713 Charter Communications 7303 1721 241 71 Telecom Argentina Stet-France 1785 1668 717 154 AppliedTheory Corporation 2386 1555 685 906 AT&T Data Communications Serv 4755 1554 577 103 Videsh Sanchar Nigam Ltd. Aut 4323 1524 1083 369 Time Warner Telecom 8151 1411 2847 222 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 3347 3303 China Education and Research 7303 1721 1650 Telecom Argentina Stet-France 1785 1668 1514 AppliedTheory Corporation 4755 1554 1451 Videsh Sanchar Nigam Ltd. Aut 6298 2008 1296 Cox Communicatons 17488 1393 1293 Hathway IP Over Cable Interne 11492 1212 1201 Cable One 8151 1411 1189 UniNet S.A. de C.V. 4323 1524 1155 Time Warner Telecom 20115 1806 1093 Charter 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 13746 UNALLOCATED 12.24.56.0/24 7018 AT&T WorldNet Servic 32567 UNALLOCATED 12.25.107.0/24 7018 AT&T WorldNet Servic 26973 UNALLOCATED 12.39.152.0/24 7018 AT&T WorldNet Servic 26973 UNALLOCATED 12.39.154.0/23 7018 AT&T WorldNet Servic 26973 UNALLOCATED 12.39.159.0/24 7018 AT&T WorldNet Servic 32326 UNALLOCATED 12.40.49.0/24 3549 Global Crossing
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 24.75.116.0/22 10796 ServiceCo LLC - Road Runner 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.
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 /12:148 /13:299 /14:536 /15:1069 /16:10203 /17:4435 /18:7631 /19:16318 /20:19418 /21:18787 /22:24301 /23:24966 /24:144227 /25:647 /26:720 /27:382 /28:773 /29:386 /30:198 /31:0 /32:224
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 6389 2844 4294 bellsouth.net, inc. 6298 1982 2008 Cox Communicatons 4538 1772 3347 China Education and Research 1803 1296 1319 SPRINT 7303 1248 1721 Telecom Argentina Stet-France 2386 1234 1555 AT&T Data Communications Serv 17488 1200 1393 Hathway IP Over Cable Interne 11492 1188 1212 Cable One 1785 1129 1668 AppliedTheory Corporation 6478 1086 1194 AT&T Worldnet Services
Complete listing at http://thyme.apnic.net/rviews/data/sXXas-nos
Number of /24s announced per /8 block (Global) ----------------------------------------------
4:8 8:142 12:2185 13:2 15:22 16:3 17:5 18:13 20:35 24:1114 32:196 38:502 40:92 41:707 43:1 44:2 47:12 52:3 55:3 56:3 57:49 58:553 59:597 60:452 61:991 62:1321 63:1966 64:3232 65:2381 66:3537 67:1255 68:799 69:2320 70:857 71:240 72:2056 73:7 74:1205 75:160 76:274 77:797 78:842 79:250 80:949 81:864 82:628 83:382 84:585 85:1006 86:400 87:720 88:336 89:1371 90:21 91:1564 92:259 93:941 94:227 96:78 97:85 98:336 99:8 113:1 114:105 115:92 116:1019 117:378 118:236 119:505 120:97 121:621 122:858 123:449 124:856 125:1242 128:357 129:203 130:134 131:416 132:71 133:9 134:177 135:32 136:223 137:96 138:142 139:89 140:508 141:105 142:408 143:291 144:326 145:51 146:370 147:159 148:522 149:297 150:128 151:181 152:152 153:143 154:10 155:281 156:173 157:302 158:168 159:302 160:275 161:138 162:256 163:154 164:516 165:508 166:381 167:333 168:621 169:143 170:478 171:33 172:10 173:34 186:1 187:16 189:372 190:2512 192:5830 193:4249 194:3368 195:2653 196:990 198:3740 199:3320 200:5907 201:1594 202:8258 203:8083 204:3940 205:2158 206:2358 207:2693 208:3657 209:3410 210:2997 211:1252 212:1481 213:1659 214:175 215:50 216:4309 217:1244 218:409 219:525 220:1071 221:416 222:414
End of report
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