Routing Table Report 00:00 GMT Wed 31 Dec, 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: 187072 Prefixes after maximum aggregation: 89800 Deaggregation factor: 2.08 Unique aggregates announced to Internet: 90836 Total ASes present in the Internet Routing Table: 24836 Prefixes per ASN: 7.53 Origin-only ASes present in the Internet Routing Table: 21292 Origin ASes announcing only one prefix: 11646 Transit ASes present in the Internet Routing Table: 3544 Transit-only ASes present in the Internet Routing Table: 351 Average AS path length visible in the Internet Routing Table: 4.0 Max AS path length visible: 23 Max AS path prepend of ASN (13791) 17 Prefixes from unregistered ASNs in the Routing Table: 769 Unregistered ASNs in the Routing Table: 234 Number of 32-bit ASNs allocated by the RIRs: 70 Prefixes from 32-bit ASNs in the Routing Table: 10 Special use prefixes present in the Routing Table: 5 Prefixes being announced from unallocated address space: 113 Number of addresses announced to Internet: 1645296407 Equivalent to 98 /8s, 17 /16s and 59 /24s Percentage of available address space announced: 44.4 Percentage of allocated address space announced: 52.5 Percentage of available address space allocated: 84.6 Percentage of address space in use by end-sites: 75.0 Total number of prefixes smaller than registry allocations: 101704 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 27680 Total APNIC prefixes after maximum aggregation: 7856 APNIC Deaggregation factor: 3.52 Prefixes being announced from the APNIC address blocks: 24232 Unique aggregates announced from the APNIC address blocks: 8345 APNIC Region origin ASes present in the Internet Routing Table: 1781 APNIC Prefixes per ASN: 13.61 APNIC Region origin ASes announcing only one prefix: 552 APNIC Region transit ASes present in the Internet Routing Table: 375 Average APNIC Region AS path length visible: 4.3 Max APNIC Region AS path length visible: 23 Number of APNIC addresses announced to Internet: 254551808 Equivalent to 15 /8s, 44 /16s and 39 /24s Percentage of available APNIC address space announced: 50.6 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, 110/8, 111/8, 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: 85625 Total ARIN prefixes after maximum aggregation: 44410 ARIN Deaggregation factor: 1.93 Prefixes being announced from the ARIN address blocks: 54539 Unique aggregates announced from the ARIN address blocks: 19348 ARIN Region origin ASes present in the Internet Routing Table: 9983 ARIN Prefixes per ASN: 5.46 ARIN Region origin ASes announcing only one prefix: 4493 ARIN Region transit ASes present in the Internet Routing Table: 1047 Average ARIN Region AS path length visible: 3.5 Max ARIN Region AS path length visible: 20 Number of ARIN addresses announced to Internet: 308111104 Equivalent to 18 /8s, 93 /16s and 103 /24s Percentage of available ARIN address space announced: 59.2 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, 108/8, 173/8, 174/8, 184/8, 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: 53124 Total RIPE prefixes after maximum aggregation: 32067 RIPE Deaggregation factor: 1.66 Prefixes being announced from the RIPE address blocks: 48964 Unique aggregates announced from the RIPE address blocks: 32882 RIPE Region origin ASes present in the Internet Routing Table: 11524 RIPE Prefixes per ASN: 4.25 RIPE Region origin ASes announcing only one prefix: 6253 RIPE Region transit ASes present in the Internet Routing Table: 1845 Average RIPE Region AS path length visible: 4.4 Max RIPE Region AS path length visible: 21 Number of RIPE addresses announced to Internet: 336660199 Equivalent to 20 /8s, 17 /16s and 6 /24s Percentage of available RIPE address space announced: 77.2 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, 47104-49151 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: 16525 Total LACNIC prefixes after maximum aggregation: 3874 LACNIC Deaggregation factor: 4.27 Prefixes being announced from the LACNIC address blocks: 14708 Unique aggregates announced from the LACNIC address blocks: 7848 LACNIC Region origin ASes present in the Internet Routing Table: 798 LACNIC Prefixes per ASN: 18.43 LACNIC Region origin ASes announcing only one prefix: 265 LACNIC Region transit ASes present in the Internet Routing Table: 153 Average LACNIC Region AS path length visible: 4.4 Max LACNIC Region AS path length visible: 18 Number of LACNIC addresses announced to Internet: 35365130 Equivalent to 2 /8s, 27 /16s and 161 /24s Percentage of available LACNIC address space announced: 35.1 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: 3724 Total AfriNIC prefixes after maximum aggregation: 1266 AfriNIC Deaggregation factor: 2.94 Prefixes being announced from the AfriNIC address blocks: 4095 Unique aggregates announced from the AfriNIC address blocks: 2021 AfriNIC Region origin ASes present in the Internet Routing Table: 261 AfriNIC Prefixes per ASN: 15.69 AfriNIC Region origin ASes announcing only one prefix: 83 AfriNIC Region transit ASes present in the Internet Routing Table: 57 Average AfriNIC Region AS path length visible: 4.2 Max AfriNIC Region AS path length visible: 17 Number of AfriNIC addresses announced to Internet: 12442496 Equivalent to 0 /8s, 189 /16s and 219 /24s Percentage of available AfriNIC address space announced: 24.7 AfriNIC AS Blocks 36864-37887 & ERX transfers AfriNIC Address Blocks 41/8, 196/8, 197/8, APNIC Region per AS prefix count summary ---------------------------------------- ASN No of nets /20 equiv MaxAgg Description 17488 1213 87 81 Hathway IP Over Cable Interne 4538 1089 1312 23 China Education and Research 24560 635 225 148 Bharti Airtel Ltd. 4755 584 411 34 Videsh Sanchar Nigam Ltd. Aut 9498 583 271 16 BHARTI BT INTERNET LTD. 9829 575 445 9 BSNL National Internet Backbo 4134 481 12477 218 CHINANET-BACKBONE 17908 478 94 103 Tata Communications 4766 397 3798 89 Korea Telecom (KIX) 9583 392 56 60 Sify Limited 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 3517 3192 288 bellsouth.net, inc. 20115 1823 1449 717 Charter Communications 2386 1426 640 793 AT&T Data Communications Serv 6478 1268 300 517 AT&T Worldnet Services 11492 1230 192 12 Cable One 1785 1160 431 96 AppliedTheory Corporation 18566 1060 296 10 Covad Communications 7018 1008 9562 688 AT&T WorldNet Services 22773 955 2336 36 Cox Communications, Inc. 7011 908 236 527 Citizens Utilities 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 408 1607 353 TDC Tele Danmark 35228 404 144 5 Avatar Broadband Limited 30890 391 80 203 SC Kappa Invexim SRL 8452 382 184 5 TEDATA 12479 382 576 5 Uni2 Autonomous System 3301 324 1197 292 TeliaNet Sweden 29049 323 26 3 AzerSat LLC. 3320 319 6129 269 Deutsche Telekom AG 3215 312 2757 86 France Telecom Transpac 8551 279 267 26 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 1434 202 69 Telecom Argentina Stet-France 8151 1167 2220 182 Uninet S.A. de C.V. 10620 601 126 61 TVCABLE BOGOTA 22047 315 206 9 Types of queries are: POCs, o 16814 296 19 8 NSS, S.A. 3816 290 135 55 COLOMBIA TELECOMUNICACIONES S 28573 289 331 18 NET Servicos de Comunicao S.A 23216 259 18 58 RAMtelecom Telecomunicaciones 6471 257 71 27 ENTEL CHILE S.A. 21826 239 42 48 Internet Cable Plus C. 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 512 70 42 LINKdotNET AS number 3741 265 854 223 The Internet Solution 20858 257 34 3 EgyNet 2018 239 215 140 TENET-1 33783 147 10 13 EEPAD TISP TELECOM & INTERNET 6713 139 131 11 Itissalat Al-MAGHRIB 5713 119 555 68 Telkom SA Ltd 33776 118 6 3 Starcomms Nigeria Limited 5536 95 6 6 Internet Egypt Network 24835 78 42 8 RAYA Telecom - Egypt 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 3517 3192 288 bellsouth.net, inc. 20115 1823 1449 717 Charter Communications 7303 1434 202 69 Telecom Argentina Stet-France 2386 1426 640 793 AT&T Data Communications Serv 6478 1268 300 517 AT&T Worldnet Services 11492 1230 192 12 Cable One 17488 1213 87 81 Hathway IP Over Cable Interne 8151 1167 2220 182 Uninet S.A. de C.V. 1785 1160 431 96 AppliedTheory Corporation 4538 1089 1312 23 China Education and Research Complete listing at http://thyme.apnic.net/rviews/data-ASnet Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 7303 1434 1365 Telecom Argentina Stet-France 11492 1230 1218 Cable One 17488 1213 1132 Hathway IP Over Cable Interne 20115 1823 1106 Charter Communications 4538 1089 1066 China Education and Research 1785 1160 1064 AppliedTheory Corporation 18566 1060 1050 Covad Communications 8151 1167 985 Uninet S.A. de C.V. 22773 955 919 Cox Communications, Inc. 6478 1268 751 AT&T Worldnet Services 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 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 7018 AT&T WorldNet Servic 25639 UNALLOCATED 12.41.169.0/24 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 10.29.246.47/32 286 KPNQwest Backbone AS 10.29.246.48/32 286 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 62.61.221.0/24 24974 Tachyon Europe BV - Wireless 63.140.213.0/24 22555 Universal Talkware Corporatio 63.143.251.0/24 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 /8:19 /9:8 /10:17 /11:49 /12:145 /13:274 /14:460 /15:917 /16:8766 /17:3388 /18:5375 /19:10928 /20:13821 /21:13653 /22:17404 /23:18043 /24:93108 /25:159 /26:209 /27:107 /28:53 /29:78 /30:29 /31:0 /32:62 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 6389 2318 3517 bellsouth.net, inc. 2386 1228 1426 AT&T Data Communications Serv 11492 1200 1230 Cable One 17488 1182 1213 Hathway IP Over Cable Interne 7303 1086 1434 Telecom Argentina Stet-France 18566 1041 1060 Covad Communications 20115 918 1823 Charter Communications 1785 909 1160 AppliedTheory Corporation 7011 814 908 Citizens Utilities 6478 784 1268 AT&T Worldnet Services Complete listing at http://thyme.apnic.net/rviews/data/sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 4:12 5:1 8:176 12:2188 13:2 15:21 16:3 17:5 20:35 24:1124 32:139 38:534 40:96 41:934 43:1 44:2 47:9 52:3 55:3 56:3 57:47 58:569 59:671 60:455 61:1135 62:1170 63:1936 64:3435 65:2439 66:3650 67:1447 68:660 69:2439 70:530 71:174 72:1607 73:7 74:1343 75:194 76:308 77:905 78:512 79:302 80:942 81:848 82:591 83:380 84:597 85:1069 86:495 87:666 88:351 89:1397 90:41 91:1817 92:304 93:1124 94:879 95:146 96:96 97:151 98:173 99:11 110:1 111:1 113:57 114:157 115:180 116:1147 117:444 118:255 119:591 120:130 121:739 122:890 123:489 124:831 125:1388 128:359 129:220 130:134 131:411 132:72 133:9 134:324 135:33 136:219 137:134 138:144 139:99 140:430 141:109 142:381 143:302 144:318 145:53 146:371 147:142 148:606 149:298 150:139 151:208 152:148 153:138 154:10 155:254 156:168 157:305 158:162 159:300 160:273 161:131 162:256 163:142 164:517 165:505 166:366 167:348 168:678 169:159 170:488 171:38 172:10 173:139 174:18 187:17 188:1 189:413 190:2775 192:5822 193:4258 194:3393 195:2733 196:1056 198:3704 199:3324 200:3940 End of report