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Routing Table Report 00:00 GMT Tue 09 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: 287496 Prefixes after maximum aggregation: 131031 Deaggregation factor: 2.19 Unique aggregates announced to Internet: 130125 Total ASes present in the Internet Routing Table: 29227 Prefixes per ASN: 9.84 Origin-only ASes present in the Internet Routing Table: 25323 Origin ASes announcing only one prefix: 12290 Transit ASes present in the Internet Routing Table: 3904 Transit-only ASes present in the Internet Routing Table: 93 Average AS path length visible in the Internet Routing Table: 4.2 Max AS path length visible: 26 Max AS path prepend of ASN (12026) 22 Prefixes from unregistered ASNs in the Routing Table: 604 Unregistered ASNs in the Routing Table: 233 Number of 32-bit ASNs allocated by the RIRs: 59 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: 774 Number of addresses announced to Internet: 1916937782 Equivalent to 114 /8s, 66 /16s and 38 /24s Percentage of available address space announced: 51.7 Percentage of allocated address space announced: 62.8 Percentage of available address space allocated: 82.3 Percentage of address space in use by end-sites: 73.5 Total number of prefixes smaller than registry allocations: 136789
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 64766 Total APNIC prefixes after maximum aggregation: 22735 APNIC Deaggregation factor: 2.85 Prefixes being announced from the APNIC address blocks: 61785 Unique aggregates announced from the APNIC address blocks: 25995 APNIC Region origin ASes present in the Internet Routing Table: 3375 APNIC Prefixes per ASN: 18.31 APNIC Region origin ASes announcing only one prefix: 913 APNIC Region transit ASes present in the Internet Routing Table: 530 Average APNIC Region AS path length visible: 4.5 Max APNIC Region AS path length visible: 20 Number of APNIC addresses announced to Internet: 375544736 Equivalent to 22 /8s, 98 /16s and 91 /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: 129688 Total ARIN prefixes after maximum aggregation: 66103 ARIN Deaggregation factor: 1.96 Prefixes being announced from the ARIN address blocks: 97200 Unique aggregates announced from the ARIN address blocks: 35157 ARIN Region origin ASes present in the Internet Routing Table: 12443 ARIN Prefixes per ASN: 7.81 ARIN Region origin ASes announcing only one prefix: 4770 ARIN Region transit ASes present in the Internet Routing Table: 1241 Average ARIN Region AS path length visible: 4.0 Max ARIN Region AS path length visible: 25 Number of ARIN addresses announced to Internet: 362777729 Equivalent to 21 /8s, 159 /16s and 140 /24s Percentage of available ARIN address space announced: 74.6
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: 64361 Total RIPE prefixes after maximum aggregation: 35134 RIPE Deaggregation factor: 1.83 Prefixes being announced from the RIPE address blocks: 59875 Unique aggregates announced from the RIPE address blocks: 35511 RIPE Region origin ASes present in the Internet Routing Table: 11854 RIPE Prefixes per ASN: 5.05 RIPE Region origin ASes announcing only one prefix: 6199 RIPE Region transit ASes present in the Internet Routing Table: 1837 Average RIPE Region AS path length visible: 4.1 Max RIPE Region AS path length visible: 26 Number of RIPE addresses announced to Internet: 371549696 Equivalent to 22 /8s, 37 /16s and 102 /24s Percentage of available RIPE address space announced: 85.2
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: 23985 Total LACNIC prefixes after maximum aggregation: 5318 LACNIC Deaggregation factor: 4.51 Prefixes being announced from the LACNIC address blocks: 22213 Unique aggregates announced from the LACNIC address blocks: 10873 LACNIC Region origin ASes present in the Internet Routing Table: 996 LACNIC Prefixes per ASN: 22.30 LACNIC Region origin ASes announcing only one prefix: 321 LACNIC Region transit ASes present in the Internet Routing Table: 172 Average LACNIC Region AS path length visible: 4.7 Max LACNIC Region AS path length visible: 26 Number of LACNIC addresses announced to Internet: 55133710 Equivalent to 3 /8s, 73 /16s and 70 /24s Percentage of available LACNIC address space announced: 54.8
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: 4093 Total AfriNIC prefixes after maximum aggregation: 1267 AfriNIC Deaggregation factor: 3.23 Prefixes being announced from the AfriNIC address blocks: 4414 Unique aggregates announced from the AfriNIC address blocks: 2029 AfriNIC Region origin ASes present in the Internet Routing Table: 259 AfriNIC Prefixes per ASN: 17.04 AfriNIC Region origin ASes announcing only one prefix: 87 AfriNIC Region transit ASes present in the Internet Routing Table: 52 Average AfriNIC Region AS path length visible: 4.1 Max AfriNIC Region AS path length visible: 20 Number of AfriNIC addresses announced to Internet: 12691968 Equivalent to 0 /8s, 193 /16s and 170 /24s Percentage of available AfriNIC address space announced: 37.8
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 3308 3214 44 China Education and Research 4755 1724 578 92 Videsh Sanchar Nigam Ltd. Aut 17488 1372 93 99 Hathway IP Over Cable Interne 9583 1146 89 495 Sify Limited 4134 890 13651 345 CHINANET-BACKBONE 4766 843 6407 358 Korea Telecom (KIX) 23577 824 33 729 Korea Telecom (ATM-MPLS) 18101 752 152 55 Reliance Infocom Ltd Internet 4780 718 353 61 Digital United Inc. 9498 675 291 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 4460 3384 332 bellsouth.net, inc. 6298 1970 314 759 Cox Communicatons 7132 1689 9279 332 SBC Internet Services 1785 1653 710 156 AppliedTheory Corporation 20115 1639 1305 704 Charter Communications 2386 1562 677 908 AT&T Data Communications Serv 19262 1508 3533 163 Verizon Global Networks 4323 1507 1071 374 Time Warner Telecom 7018 1507 9853 954 AT&T WorldNet Services 3549 1497 540 215 Global Crossing
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 3320 1116 7063 273 Deutsche Telekom AG 3215 979 2756 106 France Telecom Transpac 3292 565 1776 377 TDC Tele Danmark 3269 546 3389 73 TELECOM ITALIA 9121 469 1445 27 TTnet Autonomous System 3301 421 1444 305 TeliaNet Sweden 5462 415 794 27 Telewest Broadband 3352 349 2044 43 Ibernet, Internet Access Netw 8452 338 188 11 TEDATA 8866 316 77 21 Bulgarian Telecommunication C
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 238 70 Telecom Argentina Stet-France 8151 1671 2608 229 UniNet S.A. de C.V. 11830 664 299 9 Instituto Costarricense de El 22047 583 270 14 VTR PUNTO NET S.A. 16814 426 27 10 NSS, S.A. 28573 424 441 29 NET Servicos de Comunicao S.A 6471 422 85 48 ENTEL CHILE S.A. 10620 422 103 62 TVCABLE BOGOTA 16735 413 92 11 Companhia de Telecomunicacoes 11172 411 118 73 Servicios Alestra S.A de C.V
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 36 LINKdotNET AS number 20858 403 34 3 EgyNet 3741 264 855 223 The Internet Solution 2018 232 214 138 Tertiary Education Network 6713 145 135 11 Itissalat Al-MAGHRIB 33783 137 10 13 EEPAD TISP TELECOM & INTERNET 5536 120 8 17 Internet Egypt Network 5713 118 555 68 Telkom SA Ltd 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 4460 3384 332 bellsouth.net, inc. 4538 3308 3214 44 China Education and Research 6298 1970 314 759 Cox Communicatons 4755 1724 578 92 Videsh Sanchar Nigam Ltd. Aut 7303 1723 238 70 Telecom Argentina Stet-France 7132 1689 9279 332 SBC Internet Services 8151 1671 2608 229 UniNet S.A. de C.V. 1785 1653 710 156 AppliedTheory Corporation 20115 1639 1305 704 Charter Communications 2386 1562 677 908 AT&T Data Communications Serv
Complete listing at http://thyme.apnic.net/rviews/data-ASnet
Global Per AS Maximum Aggr summary ----------------------------------
ASN No of nets Net Savings Description 4538 3308 3264 China Education and Research 7303 1723 1653 Telecom Argentina Stet-France 4755 1724 1632 Videsh Sanchar Nigam Ltd. Aut 1785 1653 1497 AppliedTheory Corporation 8151 1671 1442 UniNet S.A. de C.V. 7132 1689 1357 SBC Internet Services 19262 1508 1345 Verizon Global Networks 3549 1497 1282 Global Crossing 17488 1372 1273 Hathway IP Over Cable Interne 6298 1970 1211 Cox Communicatons
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 24.75.116.0/22 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 24.227.7.0/24 13499 Global Securities Information 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.
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 /13:298 /14:534 /15:1074 /16:10150 /17:4424 /18:7706 /19:28737 /20:19197 /21:18676 /22:24003 /23:24894 /24:143803 /25:800 /26:1019 /27:371 /28:758 /29:381 /30:223 /31:0 /32:210
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 6389 2848 4460 bellsouth.net, inc. 6298 1945 1970 Cox Communicatons 4538 1764 3308 China Education and Research 1803 1276 1298 SPRINT 2386 1240 1562 AT&T Data Communications Serv 7303 1223 1723 Telecom Argentina Stet-France 11492 1192 1213 Cable One 17488 1179 1372 Hathway IP Over Cable Interne 1785 1122 1653 AppliedTheory Corporation 3549 1098 1497 Global Crossing
Complete listing at http://thyme.apnic.net/rviews/data/sXXas-nos
Number of /24s announced per /8 block (Global) ----------------------------------------------
4:8 8:139 12:2163 13:2 14:1 15:21 16:3 17:5 18:13 20:37 24:1089 32:197 38:491 40:92 41:714 43:1 44:2 47:12 52:3 55:3 56:3 57:47 58:557 59:590 60:453 61:978 62:1304 63:1977 64:3393 65:2353 66:3479 67:1229 68:774 69:2306 70:842 71:170 72:2033 73:6 74:1137 75:171 76:280 77:789 78:816 79:319 80:954 81:837 82:587 83:374 84:577 85:967 86:396 87:724 88:337 89:1337 90:26 91:1457 92:258 93:862 94:119 96:65 97:69 98:323 99:8 114:97 115:46 116:1026 117:370 118:239 119:488 120:85 121:605 122:844 123:433 124:855 125:1245 128:356 129:204 130:134 131:410 132:70 133:9 134:178 135:34 136:217 137:92 138:141 139:101 140:506 141:102 142:407 143:308 144:362 145:51 146:381 147:157 148:518 149:295 150:128 151:181 152:149 153:143 154:10 155:283 156:175 157:298 158:162 159:301 160:274 161:138 162:252 163:155 164:513 165:501 166:382 167:331 168:630 169:143 170:459 171:33 172:10 173:33 188:1 189:643 190:2377 192:5815 193:4256 194:3359 195:2656 196:1000 198:3745 199:3311 200:5963 201:1678 202:8218 203:8087 204:3952 205:2144 206:2429 207:2751 208:3691 209:3410 210:2986 211:1258 212:1435 213:1657 214:180 215:50 216:4336 217:1221 218:404 219:525 220:1065 221:426 222:445
End of report
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