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Routing Table Report 00:00 GMT Thu 29 Jul, 2010
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: 329560 Prefixes after maximum aggregation: 149644 Deaggregation factor: 2.20 Unique aggregates announced to Internet: 159597 Total ASes present in the Internet Routing Table: 34489 Prefixes per ASN: 9.56 Origin-only ASes present in the Internet Routing Table: 29819 Origin ASes announcing only one prefix: 14457 Transit ASes present in the Internet Routing Table: 4670 Transit-only ASes present in the Internet Routing Table: 113 Average AS path length visible in the Internet Routing Table: 3.8 Max AS path length visible: 38 Max AS path prepend of ASN (22394) 35 Prefixes from unregistered ASNs in the Routing Table: 364 Unregistered ASNs in the Routing Table: 131 Number of 32-bit ASNs allocated by the RIRs: 707 Prefixes from 32-bit ASNs in the Routing Table: 12 Special use prefixes present in the Routing Table: 3 Prefixes being announced from unallocated address space: 170 Number of addresses announced to Internet: 2279638501 Equivalent to 135 /8s, 224 /16s and 133 /24s Percentage of available address space announced: 61.5 Percentage of allocated address space announced: 66.3 Percentage of available address space allocated: 92.8 Percentage of address space in use by end-sites: 84.0 Total number of prefixes smaller than registry allocations: 156334
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 77759 Total APNIC prefixes after maximum aggregation: 26416 APNIC Deaggregation factor: 2.94 Prefixes being announced from the APNIC address blocks: 74795 Unique aggregates announced from the APNIC address blocks: 33574 APNIC Region origin ASes present in the Internet Routing Table: 4121 APNIC Prefixes per ASN: 18.15 APNIC Region origin ASes announcing only one prefix: 1156 APNIC Region transit ASes present in the Internet Routing Table: 647 Average APNIC Region AS path length visible: 4.3 Max APNIC Region AS path length visible: 18 Number of APNIC addresses announced to Internet: 534032322 Equivalent to 31 /8s, 212 /16s and 175 /24s Percentage of available APNIC address space announced: 79.6
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431 (pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079 55296-56319, 131072-132095 APNIC Address Blocks 1/8, 14/8, 27/8, 43/8, 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, 133/8, 175/8, 180/8, 182/8, 183/8, 202/8, 203/8, 210/8, 211/8, 218/8, 219/8, 220/8, 221/8, 222/8, 223/8,
ARIN Region Analysis Summary ----------------------------
Prefixes being announced by ARIN Region ASes: 136693 Total ARIN prefixes after maximum aggregation: 70441 ARIN Deaggregation factor: 1.94 Prefixes being announced from the ARIN address blocks: 108426 Unique aggregates announced from the ARIN address blocks: 42045 ARIN Region origin ASes present in the Internet Routing Table: 13827 ARIN Prefixes per ASN: 7.84 ARIN Region origin ASes announcing only one prefix: 5288 ARIN Region transit ASes present in the Internet Routing Table: 1404 Average ARIN Region AS path length visible: 3.5 Max ARIN Region AS path length visible: 38 Number of ARIN addresses announced to Internet: 730006305 Equivalent to 43 /8s, 131 /16s and 3 /24s Percentage of available ARIN address space announced: 62.2
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 53248-55295, 393216-394239 ARIN Address Blocks 3/8, 4/8, 6/8, 7/8, 8/8, 9/8, 11/8, 12/8, 13/8, 15/8, 16/8, 17/8, 18/8, 19/8, 20/8, 21/8, 22/8, 24/8, 26/8, 28/8, 29/8, 30/8, 32/8, 33/8, 34/8, 35/8, 38/8, 40/8, 44/8, 45/8, 47/8, 48/8, 50/8, 52/8, 54/8, 55/8, 56/8, 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, 107/8, 108/8, 173/8, 174/8, 184/8, 199/8, 204/8, 205/8, 206/8, 207/8, 208/8, 209/8, 214/8, 215/8, 216/8,
RIPE Region Analysis Summary ----------------------------
Prefixes being announced by RIPE Region ASes: 78023 Total RIPE prefixes after maximum aggregation: 43771 RIPE Deaggregation factor: 1.78 Prefixes being announced from the RIPE address blocks: 71131 Unique aggregates announced from the RIPE address blocks: 44651 RIPE Region origin ASes present in the Internet Routing Table: 14659 RIPE Prefixes per ASN: 4.85 RIPE Region origin ASes announcing only one prefix: 7485 RIPE Region transit ASes present in the Internet Routing Table: 2244 Average RIPE Region AS path length visible: 3.9 Max RIPE Region AS path length visible: 26 Number of RIPE addresses announced to Internet: 433674534 Equivalent to 25 /8s, 217 /16s and 89 /24s Percentage of available RIPE address space announced: 76.0
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, 47104-52223, 196608-197631 RIPE Address Blocks 2/8, 25/8, 31/8, 46/8, 51/8, 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, 109/8, 176/8, 178/8, 193/8, 194/8, 195/8, 212/8, 213/8, 217/8,
LACNIC Region Analysis Summary ------------------------------
Prefixes being announced by LACNIC Region ASes: 29443 Total LACNIC prefixes after maximum aggregation: 6997 LACNIC Deaggregation factor: 4.21 Prefixes being announced from the LACNIC address blocks: 27949 Unique aggregates announced from the LACNIC address blocks: 14576 LACNIC Region origin ASes present in the Internet Routing Table: 1316 LACNIC Prefixes per ASN: 21.24 LACNIC Region origin ASes announcing only one prefix: 406 LACNIC Region transit ASes present in the Internet Routing Table: 232 Average LACNIC Region AS path length visible: 4.0 Max LACNIC Region AS path length visible: 26 Number of LACNIC addresses announced to Internet: 75829256 Equivalent to 4 /8s, 133 /16s and 16 /24s Percentage of available LACNIC address space announced: 56.5
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 262144-263167 plus ERX transfers LACNIC Address Blocks 177/8, 181/8, 186/8, 187/8, 189/8, 190/8, 200/8, 201/8,
AfriNIC Region Analysis Summary -------------------------------
Prefixes being announced by AfriNIC Region ASes: 7369 Total AfriNIC prefixes after maximum aggregation: 1881 AfriNIC Deaggregation factor: 3.92 Prefixes being announced from the AfriNIC address blocks: 5669 Unique aggregates announced from the AfriNIC address blocks: 1598 AfriNIC Region origin ASes present in the Internet Routing Table: 385 AfriNIC Prefixes per ASN: 14.72 AfriNIC Region origin ASes announcing only one prefix: 122 AfriNIC Region transit ASes present in the Internet Routing Table: 86 Average AfriNIC Region AS path length visible: 3.6 Max AfriNIC Region AS path length visible: 15 Number of AfriNIC addresses announced to Internet: 19903488 Equivalent to 1 /8s, 47 /16s and 180 /24s Percentage of available AfriNIC address space announced: 59.3
AfriNIC AS Blocks 36864-37887, 327680-328703 & ERX transfers AfriNIC Address Blocks 41/8, 197/8,
APNIC Region per AS prefix count summary ----------------------------------------
ASN No of nets /20 equiv MaxAgg Description 4766 1694 8409 484 Korea Telecom (KIX) 4755 1381 298 154 Videsh Sanchar Nigam Ltd. Aut 7545 1371 234 88 TPG Internet Pty Ltd 17488 1341 151 126 Hathway IP Over Cable Interne 17974 1179 286 56 PT TELEKOMUNIKASI INDONESIA 9583 1002 74 486 Sify Limited 24560 991 305 182 Bharti Airtel Ltd. 9829 816 685 32 BSNL National Internet Backbo 4808 792 1518 206 CNCGROUP IP network: China169 4134 762 21996 412 CHINANET-BACKBONE
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 3881 3716 284 bellsouth.net, inc. 4323 2731 1112 397 Time Warner Telecom 19262 1947 4567 279 Verizon Global Networks 1785 1782 698 129 AppliedTheory Corporation 20115 1534 1526 651 Charter Communications 7018 1478 5741 962 AT&T WorldNet Services 2386 1283 539 913 AT&T Data Communications Serv 6478 1263 253 183 AT&T Worldnet Services 3356 1175 10858 398 Level 3 Communications, LLC 22773 1174 2858 61 Cox Communications, Inc.
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 35805 654 56 6 United Telecom AS 9116 533 328 33 Goldenlines main autonomous s 9198 499 202 13 Kazakhtelecom Corporate Sales 3292 475 2026 390 TDC Tele Danmark 30890 444 111 206 Evolva Telecom 3216 418 148 30 Teleross, Moscow, Russia 702 411 1853 323 UUNET - Commercial IP service 8866 404 117 18 Bulgarian Telecommunication C 8551 403 355 38 Bezeq International 3301 372 1414 327 TeliaNet Sweden
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 8151 1583 3049 247 Uninet S.A. de C.V. 10620 1072 240 149 TVCABLE BOGOTA 28573 1028 818 100 Types of queries are: POCs, o 7303 776 396 104 Telecom Argentina Stet-France 6503 722 178 224 AVANTEL, S.A. 22047 555 310 15 Types of queries are: POCs, o 14420 520 33 75 Types of queries are: POCs, o 3816 493 210 91 COLOMBIA TELECOMUNICACIONES S 7738 477 922 30 Telecomunicacoes da Bahia S.A 11172 451 99 76 Alestra
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 8452 1177 445 10 TEDATA 24863 725 147 39 LINKdotNET AS number 36992 652 279 185 Etisalat MISR 3741 264 894 228 The Internet Solution 33776 220 12 12 Starcomms Nigeria Limited 2018 213 277 64 TENET-1 6713 195 186 16 Itissalat Al-MAGHRIB 24835 189 78 9 RAYA Telecom - Egypt 29571 186 19 10 Ci Telecom Autonomous system 16637 159 441 102 Johnnic e-Ventures
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 3881 3716 284 bellsouth.net, inc. 4323 2731 1112 397 Time Warner Telecom 19262 1947 4567 279 Verizon Global Networks 1785 1782 698 129 AppliedTheory Corporation 4766 1694 8409 484 Korea Telecom (KIX) 8151 1583 3049 247 Uninet S.A. de C.V. 20115 1534 1526 651 Charter Communications 7018 1478 5741 962 AT&T WorldNet Services 4755 1381 298 154 Videsh Sanchar Nigam Ltd. Aut 7545 1371 234 88 TPG Internet Pty Ltd
Complete listing at http://thyme.apnic.net/rviews/data-ASnet
Global Per AS Maximum Aggr summary ----------------------------------
ASN No of nets Net Savings Description 4323 2731 2334 Time Warner Telecom 19262 1947 1668 Verizon Global Networks 1785 1782 1653 AppliedTheory Corporation 8151 1583 1336 Uninet S.A. de C.V. 7545 1371 1283 TPG Internet Pty Ltd 4755 1381 1227 Videsh Sanchar Nigam Ltd. Aut 17488 1341 1215 Hathway IP Over Cable Interne 4766 1694 1210 Korea Telecom (KIX) 8452 1177 1167 TEDATA 17974 1179 1123 PT TELEKOMUNIKASI INDONESIA
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 12.39.155.0/24 7018 AT&T WorldNet Servic 26973 UNALLOCATED 12.39.159.0/24 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 172.16.0.0/16 9275 Korea Research Institute of C 192.168.248.0/24 18847 NetFire.com 192.168.249.0/24 18847 NetFire.com
Complete listing at http://thyme.apnic.net/rviews/data-dsua
Advertised Unallocated Addresses --------------------------------
Network Origin AS Description 24.38.240.0/21 33287 Comcast Cable Communications, 24.38.248.0/21 33287 Comcast Cable Communications, 31.0.0.0/16 12654 RIPE NCC RIS Project 31.1.0.0/21 12654 RIPE NCC RIS Project 31.1.24.0/24 12654 RIPE NCC RIS Project 41.222.79.0/24 36938 Amsco Telecommunications Nige 41.223.92.0/22 36936 >>UNKNOWN<< 41.223.188.0/24 22351 Intelsat 41.223.189.0/24 6453 Teleglobe Inc. 41.223.196.0/24 36990 Alkan Telecom Ltd
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 /8:21 /9:10 /10:25 /11:68 /12:198 /13:406 /14:711 /15:1298 /16:11213 /17:5464 /18:9294 /19:18843 /20:23540 /21:23415 /22:30347 /23:30185 /24:172276 /25:430 /26:500 /27:190 /28:322 /29:168 /30:368 /31:0 /32:268
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 6389 2484 3881 bellsouth.net, inc. 4323 1396 2731 Time Warner Telecom 4766 1326 1694 Korea Telecom (KIX) 1785 1244 1782 AppliedTheory Corporation 17488 1083 1341 Hathway IP Over Cable Interne 11492 1069 1160 Cable One 18566 1069 1088 Covad Communications 8452 1066 1177 TEDATA 10620 988 1072 TVCABLE BOGOTA 19262 912 1947 Verizon Global Networks
Complete listing at http://thyme.apnic.net/rviews/data-sXXas-nos
Number of /24s announced per /8 block (Global) ----------------------------------------------
1:14 2:2 4:13 8:296 12:2023 13:7 14:1 15:21 16:3 17:8 20:6 24:1457 27:270 31:1 32:142 33:12 38:688 40:98 41:2495 44:3 46:17 47:16 52:9 55:6 56:2 57:39 58:764 59:506 60:462 61:1073 62:1062 63:1973 64:3715 65:2346 66:4084 67:1850 68:1106 69:2725 70:708 71:447 72:1990 73:2 74:2286 75:256 76:323 77:905 78:619 79:446 80:1002 81:787 82:518 83:460 84:711 85:1068 86:475 87:793 88:348 89:1733 90:96 91:2927 92:514 93:1010 94:1415 95:670 96:512 97:209 98:617 99:33 108:105 109:596 110:418 111:533 112:273 113:314 114:433 115:577 116:1088 117:656 118:480 119:877 120:139 121:730 122:1515 123:952 124:1135 125:1315 128:226 129:165 130:195 131:554 132:247 133:17 134:197 135:45 136:242 137:145 138:267 139:121 140:481 141:196 142:343 143:374 144:468 145:52 146:448 147:169 148:673 149:300 150:154 151:228 152:297 153:168 154:2 155:356 156:160 157:327 158:110 159:360 160:315 161:182 162:255 163:174 164:410 165:367 166:462 167:414 168:647 169:157 170:717 171:59 172:2 173:938 174:506 175:154 176:1 178:327 180:473 182:167 183:244 184:149 186:530 187:412 188:1040 189:770 190:3851 192:5783 193:4741 194:3470 195:2958 196:1183 198:3583 199:3502 200:5360 201:1586 202:8139 203:8314 204:4042 205:2403 206:2512 207:3070 208:3878 209:3460 210:2567 211:1297 212:1772 213:1744 214:646 215:69 216:4747 217:1545 218:504 219:377 220:1147 221:401 222:334 223:1
End of report