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Routing Table Report 00:00 GMT Tue 30 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: 275580 Prefixes after maximum aggregation: 131631 Deaggregation factor: 2.09 Unique aggregates announced to Internet: 131335 Total ASes present in the Internet Routing Table: 29386 Prefixes per ASN: 9.38 Origin-only ASes present in the Internet Routing Table: 25544 Origin ASes announcing only one prefix: 12434 Transit ASes present in the Internet Routing Table: 3842 Transit-only ASes present in the Internet Routing Table: 86 Average AS path length visible in the Internet Routing Table: 3.7 Max AS path length visible: 26 Max AS path prepend of ASN (13791) 17 Prefixes from unregistered ASNs in the Routing Table: 568 Unregistered ASNs in the Routing Table: 211 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: 768 Number of addresses announced to Internet: 1925622393 Equivalent to 114 /8s, 198 /16s and 170 /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: 136218
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 65147 Total APNIC prefixes after maximum aggregation: 22896 APNIC Deaggregation factor: 2.85 Prefixes being announced from the APNIC address blocks: 62138 Unique aggregates announced from the APNIC address blocks: 26369 APNIC Region origin ASes present in the Internet Routing Table: 3398 APNIC Prefixes per ASN: 18.29 APNIC Region origin ASes announcing only one prefix: 919 APNIC Region transit ASes present in the Internet Routing Table: 534 Average APNIC Region AS path length visible: 4.0 Max APNIC Region AS path length visible: 19 Number of APNIC addresses announced to Internet: 377986848 Equivalent to 22 /8s, 135 /16s and 159 /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: 122788 Total ARIN prefixes after maximum aggregation: 66186 ARIN Deaggregation factor: 1.86 Prefixes being announced from the ARIN address blocks: 90972 Unique aggregates announced from the ARIN address blocks: 35340 ARIN Region origin ASes present in the Internet Routing Table: 12485 ARIN Prefixes per ASN: 7.29 ARIN Region origin ASes announcing only one prefix: 4819 ARIN Region transit ASes present in the Internet Routing Table: 1212 Average ARIN Region AS path length visible: 3.4 Max ARIN Region AS path length visible: 20 Number of ARIN addresses announced to Internet: 364818305 Equivalent to 21 /8s, 190 /16s and 175 /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: 59558 Total RIPE prefixes after maximum aggregation: 35488 RIPE Deaggregation factor: 1.68 Prefixes being announced from the RIPE address blocks: 55177 Unique aggregates announced from the RIPE address blocks: 35944 RIPE Region origin ASes present in the Internet Routing Table: 11959 RIPE Prefixes per ASN: 4.61 RIPE Region origin ASes announcing only one prefix: 6290 RIPE Region transit ASes present in the Internet Routing Table: 1825 Average RIPE Region AS path length visible: 4.1 Max RIPE Region AS path length visible: 26 Number of RIPE addresses announced to Internet: 373626819 Equivalent to 22 /8s, 69 /16s and 23 /24s Percentage of available RIPE address space announced: 85.7
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, 47104-49151 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: 23378 Total LACNIC prefixes after maximum aggregation: 5339 LACNIC Deaggregation factor: 4.38 Prefixes being announced from the LACNIC address blocks: 21497 Unique aggregates announced from the LACNIC address blocks: 11019 LACNIC Region origin ASes present in the Internet Routing Table: 1003 LACNIC Prefixes per ASN: 21.43 LACNIC Region origin ASes announcing only one prefix: 323 LACNIC Region transit ASes present in the Internet Routing Table: 166 Average LACNIC Region AS path length visible: 3.9 Max LACNIC Region AS path length visible: 17 Number of LACNIC addresses announced to Internet: 56898830 Equivalent to 3 /8s, 100 /16s and 53 /24s Percentage of available LACNIC address space announced: 56.5
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: 4143 Total AfriNIC prefixes after maximum aggregation: 1277 AfriNIC Deaggregation factor: 3.24 Prefixes being announced from the AfriNIC address blocks: 4436 Unique aggregates announced from the AfriNIC address blocks: 2063 AfriNIC Region origin ASes present in the Internet Routing Table: 260 AfriNIC Prefixes per ASN: 17.06 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: 4.0 Max AfriNIC Region AS path length visible: 15 Number of AfriNIC addresses announced to Internet: 12760064 Equivalent to 0 /8s, 194 /16s and 180 /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 1615 578 92 Videsh Sanchar Nigam Ltd. Aut 17488 1393 94 100 Hathway IP Over Cable Interne 9583 1106 86 477 Sify Limited 4134 850 13649 343 CHINANET-BACKBONE 4766 846 6407 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 678 295 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 4290 3400 335 bellsouth.net, inc. 6298 1997 318 728 Cox Communicatons 20115 1752 1422 713 Charter Communications 1785 1657 710 156 AppliedTheory Corporation 2386 1554 684 904 AT&T Data Communications Serv 4323 1523 1083 370 Time Warner Telecom 7018 1409 9897 975 AT&T WorldNet Services 1803 1319 9 1045 SPRINT 11492 1212 152 11 Cable One 6478 1191 241 191 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 433 1777 380 TDC Tele Danmark 3301 330 1428 301 TeliaNet Sweden 30890 330 87 175 SC Kappa Invexim SRL 3215 328 2756 107 France Telecom Transpac 3320 325 7063 273 Deutsche Telekom AG 5462 324 794 27 Telewest Broadband 8866 319 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 1719 241 70 Telecom Argentina Stet-France 8151 1412 2847 223 UniNet S.A. de C.V. 11830 668 299 9 Instituto Costarricense de El 22047 564 270 14 VTR PUNTO NET S.A. 10620 493 121 71 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 544 71 39 LINKdotNET AS number 20858 399 34 3 EgyNet 3741 264 855 223 The Internet Solution 2018 232 215 139 Tertiary Education Network 6713 144 135 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 4290 3400 335 bellsouth.net, inc. 4538 3347 3214 44 China Education and Research 6298 1997 318 728 Cox Communicatons 20115 1752 1422 713 Charter Communications 7303 1719 241 70 Telecom Argentina Stet-France 1785 1657 710 156 AppliedTheory Corporation 4755 1615 578 92 Videsh Sanchar Nigam Ltd. Aut 2386 1554 684 904 AT&T Data Communications Serv 4323 1523 1083 370 Time Warner Telecom 8151 1412 2847 223 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 1719 1649 Telecom Argentina Stet-France 4755 1615 1523 Videsh Sanchar Nigam Ltd. Aut 1785 1657 1501 AppliedTheory Corporation 17488 1393 1293 Hathway IP Over Cable Interne 6298 1997 1269 Cox Communicatons 11492 1212 1201 Cable One 8151 1412 1189 UniNet S.A. de C.V. 4323 1523 1153 Time Warner Telecom 18566 1053 1043 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 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 /14:537 /15:1070 /16:10198 /17:4438 /18:7627 /19:16296 /20:19430 /21:18796 /22:24292 /23:24964 /24:144059 /25:645 /26:724 /27:383 /28:774 /29:389 /30:197 /31:0 /32:223
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 6389 2844 4290 bellsouth.net, inc. 6298 1971 1997 Cox Communicatons 4538 1772 3347 China Education and Research 1803 1296 1319 SPRINT 7303 1246 1719 Telecom Argentina Stet-France 2386 1236 1554 AT&T Data Communications Serv 17488 1200 1393 Hathway IP Over Cable Interne 11492 1188 1212 Cable One 1785 1126 1657 AppliedTheory Corporation 6478 1083 1191 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 12:2180 13:2 15:22 16:3 17:5 18:13 20:35 24:1109 32:196 38:502 40:92 41:706 43:1 44:2 47:12 52:3 55:3 56:3 57:48 58:556 59:595 60:452 61:994 62:1307 63:1966 64:3228 65:2376 66:3537 67:1257 68:790 69:2320 70:856 71:198 72:2050 73:7 74:1205 75:160 76:274 77:796 78:844 79:251 80:948 81:861 82:627 83:382 84:583 85:1004 86:400 87:723 88:336 89:1368 90:21 91:1543 92:267 93:920 94:198 96:76 97:84 98:336 99:8 113:1 114:106 115:92 116:1021 117:378 118:237 119:498 120:97 121:622 122:858 123:451 124:856 125:1242 128:357 129:203 130:134 131:416 132:70 133:9 134:176 135:32 136:222 137:96 138:142 139:89 140:507 141:104 142:408 143:283 144:326 145:51 146:371 147:159 148:522 149:297 150:128 151:181 152:152 153:143 154:10 155:281 156:173 157:302 158:168 159:305 160:275 161:138 162:256 163:154 164:516 165:508 166:381 167:333 168:635 169:143 170:477 171:33 172:10 173:34 186:1 187:16 188:1 189:372 190:2454 192:5831 193:4251 194:3373 195:2656 196:993 198:3733 199:3319 200:5906 201:1594 202:8274 203:8075 204:3940 205:2158 206:2354 207:2692 208:3648 209:3411 210:2997 211:1252 212:1485 213:1692 214:176 215:50 216:4321 217:1239 218:409 219:525 220:1070 221:417 222:414
End of report
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