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Routing Table Report 00:00 GMT Thu 11 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: 298568 Prefixes after maximum aggregation: 131114 Deaggregation factor: 2.28 Unique aggregates announced to Internet: 130411 Total ASes present in the Internet Routing Table: 29257 Prefixes per ASN: 10.21 Origin-only ASes present in the Internet Routing Table: 25305 Origin ASes announcing only one prefix: 12255 Transit ASes present in the Internet Routing Table: 3952 Transit-only ASes present in the Internet Routing Table: 97 Average AS path length visible in the Internet Routing Table: 4.3 Max AS path length visible: 26 Max AS path prepend of ASN (12026) 22 Prefixes from unregistered ASNs in the Routing Table: 613 Unregistered ASNs in the Routing Table: 237 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: 793 Number of addresses announced to Internet: 1918332982 Equivalent to 114 /8s, 87 /16s and 112 /24s Percentage of available address space announced: 51.8 Percentage of allocated address space announced: 62.9 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: 137683
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 67962 Total APNIC prefixes after maximum aggregation: 22745 APNIC Deaggregation factor: 2.99 Prefixes being announced from the APNIC address blocks: 64944 Unique aggregates announced from the APNIC address blocks: 26093 APNIC Region origin ASes present in the Internet Routing Table: 3371 APNIC Prefixes per ASN: 19.27 APNIC Region origin ASes announcing only one prefix: 911 APNIC Region transit ASes present in the Internet Routing Table: 538 Average APNIC Region AS path length visible: 4.6 Max APNIC Region AS path length visible: 21 Number of APNIC addresses announced to Internet: 376119712 Equivalent to 22 /8s, 107 /16s and 33 /24s Percentage of available APNIC address space announced: 80.1
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: 132563 Total ARIN prefixes after maximum aggregation: 66088 ARIN Deaggregation factor: 2.01 Prefixes being announced from the ARIN address blocks: 99653 Unique aggregates announced from the ARIN address blocks: 35191 ARIN Region origin ASes present in the Internet Routing Table: 12456 ARIN Prefixes per ASN: 8.00 ARIN Region origin ASes announcing only one prefix: 4751 ARIN Region transit ASes present in the Internet Routing Table: 1261 Average ARIN Region AS path length visible: 4.0 Max ARIN Region AS path length visible: 25 Number of ARIN addresses announced to Internet: 363167873 Equivalent to 21 /8s, 165 /16s and 128 /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: 68376 Total RIPE prefixes after maximum aggregation: 35207 RIPE Deaggregation factor: 1.94 Prefixes being announced from the RIPE address blocks: 63777 Unique aggregates announced from the RIPE address blocks: 35626 RIPE Region origin ASes present in the Internet Routing Table: 11872 RIPE Prefixes per ASN: 5.37 RIPE Region origin ASes announcing only one prefix: 6193 RIPE Region transit ASes present in the Internet Routing Table: 1845 Average RIPE Region AS path length visible: 4.2 Max RIPE Region AS path length visible: 26 Number of RIPE addresses announced to Internet: 371658752 Equivalent to 22 /8s, 39 /16s and 16 /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: 24938 Total LACNIC prefixes after maximum aggregation: 5326 LACNIC Deaggregation factor: 4.68 Prefixes being announced from the LACNIC address blocks: 23133 Unique aggregates announced from the LACNIC address blocks: 10895 LACNIC Region origin ASes present in the Internet Routing Table: 993 LACNIC Prefixes per ASN: 23.30 LACNIC Region origin ASes announcing only one prefix: 314 LACNIC Region transit ASes present in the Internet Routing Table: 173 Average LACNIC Region AS path length visible: 4.7 Max LACNIC Region AS path length visible: 26 Number of LACNIC addresses announced to Internet: 55144974 Equivalent to 3 /8s, 73 /16s and 114 /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: 4117 Total AfriNIC prefixes after maximum aggregation: 1271 AfriNIC Deaggregation factor: 3.24 Prefixes being announced from the AfriNIC address blocks: 4439 Unique aggregates announced from the AfriNIC address blocks: 2020 AfriNIC Region origin ASes present in the Internet Routing Table: 259 AfriNIC Prefixes per ASN: 17.14 AfriNIC Region origin ASes announcing only one prefix: 86 AfriNIC Region transit ASes present in the Internet Routing Table: 54 Average AfriNIC Region AS path length visible: 4.5 Max AfriNIC Region AS path length visible: 20 Number of AfriNIC addresses announced to Internet: 12709632 Equivalent to 0 /8s, 193 /16s and 239 /24s Percentage of available AfriNIC address space announced: 37.9
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 3378 3214 44 China Education and Research 4134 2415 13651 345 CHINANET-BACKBONE 4755 1734 578 92 Videsh Sanchar Nigam Ltd. Aut 17488 1379 93 97 Hathway IP Over Cable Interne 9583 1148 89 496 Sify Limited 4837 1143 6712 228 chinanet IDC center beijing n 4766 843 6407 358 Korea Telecom (KIX) 23577 824 33 729 Korea Telecom (ATM-MPLS) 4808 766 1141 135 CNCGROUP IP network: China169 18101 766 152 57 Reliance Infocom Ltd Internet
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 4448 3384 335 bellsouth.net, inc. 7132 2705 9279 332 SBC Internet Services 6298 1970 314 759 Cox Communicatons 20115 1716 1420 708 Charter Communications 1785 1654 710 156 AppliedTheory Corporation 19262 1645 3537 165 Verizon Global Networks 2386 1563 677 908 AT&T Data Communications Serv 3549 1526 539 214 Global Crossing 4323 1513 1071 373 Time Warner Telecom 7018 1447 9850 944 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 3320 1510 7063 273 Deutsche Telekom AG 3215 1418 2756 106 France Telecom Transpac 3352 798 2044 43 Ibernet, Internet Access Netw 3269 703 3389 73 TELECOM ITALIA 3292 636 1777 377 TDC Tele Danmark 9121 555 1445 27 TTnet Autonomous System 5617 460 967 20 TPNET 5462 448 794 27 Telewest Broadband 3301 445 1460 305 TeliaNet Sweden 8708 386 422 252 Romania Data Systems S.A.
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 1732 239 68 Telecom Argentina Stet-France 8151 1727 2607 223 UniNet S.A. de C.V. 11830 665 299 9 Instituto Costarricense de El 22047 596 270 14 VTR PUNTO NET S.A. 28573 465 442 29 NET Servicos de Comunicao S.A 7738 454 666 26 Telecomunicacoes da Bahia S.A 6471 426 85 48 ENTEL CHILE S.A. 16814 426 27 10 NSS, S.A. 10620 423 104 63 TVCABLE BOGOTA 16735 415 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 518 68 31 LINKdotNET AS number 20858 406 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 4448 3384 335 bellsouth.net, inc. 4538 3378 3214 44 China Education and Research 7132 2705 9279 332 SBC Internet Services 4134 2415 13651 345 CHINANET-BACKBONE 6298 1970 314 759 Cox Communicatons 4755 1734 578 92 Videsh Sanchar Nigam Ltd. Aut 7303 1732 239 68 Telecom Argentina Stet-France 8151 1727 2607 223 UniNet S.A. de C.V. 20115 1716 1420 708 Charter Communications 1785 1654 710 156 AppliedTheory Corporation
Complete listing at http://thyme.apnic.net/rviews/data-ASnet
Global Per AS Maximum Aggr summary ----------------------------------
ASN No of nets Net Savings Description 4538 3378 3334 China Education and Research 7132 2705 2373 SBC Internet Services 4134 2415 2070 CHINANET-BACKBONE 7303 1732 1664 Telecom Argentina Stet-France 4755 1734 1642 Videsh Sanchar Nigam Ltd. Aut 8151 1727 1504 UniNet S.A. de C.V. 1785 1654 1498 AppliedTheory Corporation 19262 1645 1480 Verizon Global Networks 3549 1526 1312 Global Crossing 3215 1418 1312 France Telecom Transpac
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 /13:299 /14:535 /15:1079 /16:10160 /17:4424 /18:7744 /19:39238 /20:19232 /21:18702 /22:24033 /23:24949 /24:144167 /25:801 /26:1019 /27:372 /28:758 /29:382 /30:224 /31:0 /32:212
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 6389 2849 4448 bellsouth.net, inc. 6298 1945 1970 Cox Communicatons 4538 1769 3378 China Education and Research 1803 1279 1302 SPRINT 2386 1240 1563 AT&T Data Communications Serv 7303 1232 1732 Telecom Argentina Stet-France 11492 1187 1207 Cable One 17488 1186 1379 Hathway IP Over Cable Interne 1785 1123 1654 AppliedTheory Corporation 3549 1095 1526 Global Crossing
Complete listing at http://thyme.apnic.net/rviews/data/sXXas-nos
Number of /24s announced per /8 block (Global) ----------------------------------------------
4:8 8:140 12:2165 13:2 14:1 15:21 16:3 17:5 18:13 20:37 24:1092 32:197 38:494 40:92 41:716 43:1 44:2 47:12 52:3 55:3 56:3 57:48 58:556 59:590 60:453 61:982 62:1304 63:1976 64:3379 65:2364 66:3479 67:1234 68:775 69:2307 70:842 71:170 72:2030 73:6 74:1145 75:171 76:279 77:791 78:821 79:320 80:953 81:838 82:604 83:373 84:578 85:978 86:401 87:727 88:338 89:1360 90:26 91:1497 92:261 93:865 94:135 96:65 97:74 98:324 99:8 114:94 115:47 116:1032 117:371 118:239 119:486 120:77 121:606 122:855 123:456 124:860 125:1245 128:356 129:202 130:134 131:411 132:70 133:9 134:178 135:34 136:223 137:93 138:141 139:101 140:505 141:102 142:407 143:318 144:362 145:51 146:381 147:159 148:517 149:295 150:128 151:181 152:149 153:143 154:10 155:283 156:175 157:299 158:162 159:301 160:274 161:138 162:250 163:154 164:516 165:502 166:383 167:331 168:631 169:143 170:465 171:33 172:10 173:33 186:1 187:1 188:1 189:672 190:2429 192:5808 193:4259 194:3367 195:2661 196:993 198:3745 199:3311 200:5962 201:1677 202:8243 203:8097 204:3959 205:2142 206:2426 207:2756 208:3702 209:3418 210:2992 211:1258 212:1426 213:1666 214:179 215:50 216:4330 217:1221 218:404 219:525 220:1065 221:428 222:445
End of report
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