Orbit

Routing Table Report 04:00 +10GMT Tue 26 Jul, 2011

Report Website: http://thyme.rand.apnic.net Detailed Analysis: http://thyme.rand.apnic.net/current/

Analysis Summary ----------------

BGP routing table entries examined: 364392 Prefixes after maximum aggregation: 165760 Deaggregation factor: 2.20 Unique aggregates announced to Internet: 180971 Total ASes present in the Internet Routing Table: 38275 Prefixes per ASN: 9.52 Origin-only ASes present in the Internet Routing Table: 31814 Origin ASes announcing only one prefix: 15309 Transit ASes present in the Internet Routing Table: 5195 Transit-only ASes present in the Internet Routing Table: 138 Average AS path length visible in the Internet Routing Table: 4.3 Max AS path length visible: 34 Max AS path prepend of ASN (22394) 31 Prefixes from unregistered ASNs in the Routing Table: 965 Unregistered ASNs in the Routing Table: 553 Number of 32-bit ASNs allocated by the RIRs: 1592 Number of 32-bit ASNs visible in the Routing Table: 1266 Prefixes from 32-bit ASNs in the Routing Table: 2934 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 117 Number of addresses announced to Internet: 2485801792 Equivalent to 148 /8s, 42 /16s and 83 /24s Percentage of available address space announced: 67.1 Percentage of allocated address space announced: 67.1 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 91.1 Total number of prefixes smaller than registry allocations: 151785

APNIC Region Analysis Summary -----------------------------

Prefixes being announced by APNIC Region ASes: 91219 Total APNIC prefixes after maximum aggregation: 30357 APNIC Deaggregation factor: 3.00 Prefixes being announced from the APNIC address blocks: 87807 Unique aggregates announced from the APNIC address blocks: 37447 APNIC Region origin ASes present in the Internet Routing Table: 4523 APNIC Prefixes per ASN: 19.41 APNIC Region origin ASes announcing only one prefix: 1251 APNIC Region transit ASes present in the Internet Routing Table: 712 Average APNIC Region AS path length visible: 4.4 Max APNIC Region AS path length visible: 18 Number of APNIC region 32-bit ASNs visible in the Routing Table: 62 Number of APNIC addresses announced to Internet: 622381344 Equivalent to 37 /8s, 24 /16s and 201 /24s Percentage of available APNIC address space announced: 78.9

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, 36/8, 39/8, 42/8, 43/8, 49/8, 58/8, 59/8, 60/8, 61/8, 101/8, 103/8, 106/8, 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: 141780 Total ARIN prefixes after maximum aggregation: 73241 ARIN Deaggregation factor: 1.94 Prefixes being announced from the ARIN address blocks: 113603 Unique aggregates announced from the ARIN address blocks: 46701 ARIN Region origin ASes present in the Internet Routing Table: 14522 ARIN Prefixes per ASN: 7.82 ARIN Region origin ASes announcing only one prefix: 5573 ARIN Region transit ASes present in the Internet Routing Table: 1525 Average ARIN Region AS path length visible: 4.0 Max ARIN Region AS path length visible: 34 Number of ARIN region 32-bit ASNs visible in the Routing Table: 12 Number of ARIN addresses announced to Internet: 802773632 Equivalent to 47 /8s, 217 /16s and 90 /24s Percentage of available ARIN address space announced: 63.8

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, 23/8, 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, 53/8, 54/8, 55/8, 56/8, 57/8, 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, 100/8, 104/8, 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: 86522 Total RIPE prefixes after maximum aggregation: 49342 RIPE Deaggregation factor: 1.75 Prefixes being announced from the RIPE address blocks: 79902 Unique aggregates announced from the RIPE address blocks: 52916 RIPE Region origin ASes present in the Internet Routing Table: 15809 RIPE Prefixes per ASN: 5.05 RIPE Region origin ASes announcing only one prefix: 7884 RIPE Region transit ASes present in the Internet Routing Table: 2509 Average RIPE Region AS path length visible: 4.6 Max RIPE Region AS path length visible: 33 Number of RIPE region 32-bit ASNs visible in the Routing Table: 916 Number of RIPE addresses announced to Internet: 484092032 Equivalent to 28 /8s, 218 /16s and 168 /24s Percentage of available RIPE address space announced: 78.0

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, 56320-58367 196608-198655 RIPE Address Blocks 2/8, 5/8, 25/8, 31/8, 37/8, 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, 185/8, 193/8, 194/8, 195/8, 212/8, 213/8, 217/8,

LACNIC Region Analysis Summary ------------------------------

Prefixes being announced by LACNIC Region ASes: 33562 Total LACNIC prefixes after maximum aggregation: 7628 LACNIC Deaggregation factor: 4.40 Prefixes being announced from the LACNIC address blocks: 32792 Unique aggregates announced from the LACNIC address blocks: 17169 LACNIC Region origin ASes present in the Internet Routing Table: 1492 LACNIC Prefixes per ASN: 21.98 LACNIC Region origin ASes announcing only one prefix: 445 LACNIC Region transit ASes present in the Internet Routing Table: 276 Average LACNIC Region AS path length visible: 4.4 Max LACNIC Region AS path length visible: 19 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 272 Number of LACNIC addresses announced to Internet: 86450176 Equivalent to 5 /8s, 39 /16s and 32 /24s Percentage of available LACNIC address space announced: 57.3

LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 262144-263167 plus ERX transfers LACNIC Address Blocks 177/8, 179/8, 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: 8196 Total AfriNIC prefixes after maximum aggregation: 1969 AfriNIC Deaggregation factor: 4.16 Prefixes being announced from the AfriNIC address blocks: 6483 Unique aggregates announced from the AfriNIC address blocks: 2034 AfriNIC Region origin ASes present in the Internet Routing Table: 476 AfriNIC Prefixes per ASN: 13.62 AfriNIC Region origin ASes announcing only one prefix: 156 AfriNIC Region transit ASes present in the Internet Routing Table: 102 Average AfriNIC Region AS path length visible: 4.8 Max AfriNIC Region AS path length visible: 24 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 4 Number of AfriNIC addresses announced to Internet: 25747456 Equivalent to 1 /8s, 136 /16s and 224 /24s Percentage of available AfriNIC address space announced: 38.4

AfriNIC AS Blocks 36864-37887, 327680-328703 & ERX transfers AfriNIC Address Blocks 41/8, 102/8, 105/8, 197/8,

APNIC Region per AS prefix count summary ----------------------------------------

ASN No of nets /20 equiv MaxAgg Description 4766 2481 11045 947 Korea Telecom (KIX) 17974 1790 508 32 PT TELEKOMUNIKASI INDONESIA 7545 1556 301 85 TPG Internet Pty Ltd 4755 1506 635 171 TATA Communications formerly 7552 1298 1064 7 Vietel Corporation 24560 1161 336 187 Bharti Airtel Ltd., Telemedia 9829 1119 936 41 BSNL National Internet Backbo 9583 1069 79 505 Sify Limited 4808 1049 2092 299 CNCGROUP IP network: China169 17488 970 189 110 Hathway IP Over Cable Interne

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-APNIC

ARIN Region per AS prefix count summary ---------------------------------------

ASN No of nets /20 equiv MaxAgg Description 6389 3618 3818 238 bellsouth.net, inc. 18566 1913 365 241 Covad Communications 1785 1810 681 121 PaeTec Communications, Inc. 4323 1615 1082 401 Time Warner Telecom 20115 1590 1538 623 Charter Communications 19262 1411 4760 391 Verizon Global Networks 7018 1363 7068 890 AT&T WorldNet Services 22773 1353 2897 89 Cox Communications, Inc. 7029 1293 791 304 Windstream Communications Inc 2386 1258 520 907 AT&T Data Communications Serv

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-ARIN

RIPE Region per AS prefix count summary ---------------------------------------

ASN No of nets /20 equiv MaxAgg Description 34984 534 106 185 BILISIM TELEKOM 6830 512 1788 316 UPC Distribution Services 3292 468 2078 403 TDC Tele Danmark 20940 462 132 354 Akamai Technologies European 12479 455 593 7 Uni2 Autonomous System 8866 453 133 26 Bulgarian Telecommunication C 29049 432 32 47 AzerSat LLC. 3320 424 8151 370 Deutsche Telekom AG 8551 404 354 44 Bezeq International 702 397 1802 310 UUNET - Commercial IP service

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-RIPE

LACNIC Region per AS prefix count summary -----------------------------------------

ASN No of nets /20 equiv MaxAgg Description 10620 1559 287 163 TVCABLE BOGOTA 28573 1283 995 78 NET Servicos de Comunicao S.A 8151 1270 2746 352 UniNet S.A. de C.V. 7303 1002 513 175 Telecom Argentina Stet-France 6503 751 354 73 AVANTEL, S.A. 14420 700 56 85 CORPORACION NACIONAL DE TELEC 22047 578 322 17 VTR PUNTO NET S.A. 3816 532 232 97 Empresa Nacional de Telecomun 7738 516 986 31 Telecomunicacoes da Bahia S.A 27947 508 53 53 Telconet S.A

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-LACNIC

AfriNIC Region per AS prefix count summary ------------------------------------------

ASN No of nets /20 equiv MaxAgg Description 8452 794 445 11 TEDATA 24863 787 147 36 LINKdotNET AS number 15475 511 74 8 Nile Online 3741 265 937 226 The Internet Solution 36992 261 415 15 Etisalat MISR 6713 260 519 14 Itissalat Al-MAGHRIB 33776 226 13 5 Starcomms Nigeria Limited 15706 204 32 6 Sudatel Internet Exchange Aut 24835 177 78 10 RAYA Telecom - Egypt 29571 158 17 11 Ci Telecom Autonomous system

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-AFRINIC

Global Per AS prefix count summary ----------------------------------

ASN No of nets /20 equiv MaxAgg Description 6389 3618 3818 238 bellsouth.net, inc. 23456 2934 710 1568 32-bit ASN transition 4766 2481 11045 947 Korea Telecom (KIX) 18566 1913 365 241 Covad Communications 1785 1810 681 121 PaeTec Communications, Inc. 17974 1790 508 32 PT TELEKOMUNIKASI INDONESIA 4323 1615 1082 401 Time Warner Telecom 20115 1590 1538 623 Charter Communications 10620 1559 287 163 TVCABLE BOGOTA 7545 1556 301 85 TPG Internet Pty Ltd

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet

Global Per AS Maximum Aggr summary ----------------------------------

ASN No of nets Net Savings Description 17974 1790 1758 PT TELEKOMUNIKASI INDONESIA 1785 1810 1689 PaeTec Communications, Inc. 18566 1913 1672 Covad Communications 4766 2481 1534 Korea Telecom (KIX) 7545 1556 1471 TPG Internet Pty Ltd 10620 1559 1396 TVCABLE BOGOTA 23456 2934 1366 32-bit ASN transition 4755 1506 1335 TATA Communications formerly 7552 1298 1291 Vietel Corporation 22773 1353 1264 Cox Communications, Inc.

Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet

List of Unregistered Origin ASNs (Global) -----------------------------------------

Bad AS Designation Network Transit AS Description 15132 UNALLOCATED 12.9.150.0/24 7018 AT&T WorldNet Servic 32567 UNALLOCATED 12.14.170.0/24 4323 Time Warner Telecom 32567 UNALLOCATED 12.25.107.0/24 4323 Time Warner Telecom 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 13317 UNALLOCATED 12.44.10.0/24 7018 AT&T WorldNet Servic 23502 UNALLOCATED 12.44.44.0/24 7018 AT&T WorldNet Servic

Complete listing at http://thyme.rand.apnic.net/current/data-badAS

Advertised Unallocated Addresses --------------------------------

Network Origin AS Description 24.225.128.0/18 36377 Comcast Telecommunications, I 24.225.192.0/23 36377 Comcast Telecommunications, I 24.225.192.0/18 36377 Comcast Telecommunications, I 24.225.224.0/21 36377 Comcast Telecommunications, I 24.225.237.0/24 36377 Comcast Telecommunications, I 24.225.248.0/21 36377 Comcast Telecommunications, I 41.222.79.0/24 36938 >>UNKNOWN<< 41.223.92.0/22 36936 >>UNKNOWN<< 62.61.220.0/24 24974 Tachyon Europe BV - Wireless 62.61.221.0/24 24974 Tachyon Europe BV - Wireless

Complete listing at http://thyme.rand.apnic.net/current/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 /8:20 /9:12 /10:27 /11:80 /12:232 /13:465 /14:798 /15:1403 /16:12057 /17:5868 /18:9827 /19:19507 /20:26182 /21:26270 /22:34923 /23:33857 /24:189710 /25:1090 /26:1270 /27:737 /28:40 /29:9 /30:2 /31:0 /32:6

Advertised prefixes smaller than registry allocations -----------------------------------------------------

ASN No of nets Total ann. Description 6389 2238 3618 bellsouth.net, inc. 18566 1869 1913 Covad Communications 10620 1454 1559 TVCABLE BOGOTA 23456 1445 2934 32-bit ASN transition 11492 1096 1142 Cable One 7011 1056 1158 Citizens Utilities 1785 1053 1810 PaeTec Communications, Inc. 7029 1040 1293 Windstream Communications Inc 6478 997 1025 AT&T Worldnet Services 22773 868 1353 Cox Communications, Inc.

Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos

Number of /24s announced per /8 block (Global) ----------------------------------------------

1:338 2:45 4:16 5:1 6:3 8:336 12:1964 13:1 14:490 15:15 16:3 17:5 20:10 23:17 24:1680 27:835 31:503 32:64 33:4 34:2 36:4 38:729 40:104 41:2605 42:35 44:3 46:1054 47:3 49:204 50:383 52:13 54:2 55:3 56:2 57:34 58:863 59:471 60:385 61:1183 62:1044 63:1931 64:3991 65:2299 66:3893 67:1885 68:1112 69:3052 70:771 71:373 72:1867 74:2425 75:321 76:341 77:860 78:703 79:465 80:1114 81:839 82:498 83:466 84:691 85:1059 86:517 87:764 88:332 89:1537 90:224 91:3950 92:526 93:1060 94:1338 95:869 96:420 97:263 98:891 99:37 101:81 103:148 106:77 107:25 108:73 109:1023 110:609 111:715 112:305 113:409 114:557 115:682 116:984 117:682 118:868 119:1179 120:316 121:676 122:1607 123:966 124:1310 125:1274 128:246 129:169 130:170 131:579 132:111 133:21 134:214 135:52 136:215 137:139 138:300 139:115 140:479 141:253 142:403 143:419 144:478 145:54 146:453 147:219 148:617 149:249 150:165 151:189 152:338 153:182 154:5 155:399 156:198 157:351 158:140 159:455 160:315 161:203 162:310 163:167 164:506 165:367 166:531 167:433 168:746 169:153 170:838 171:81 172:1 173:1615 174:620 175:384 176:143 177:176 178:1009 180:909 181:23 182:510 183:234 184:343 185:1 186:1308 187:760 188:891 189:950 190:5001 192:5913 193:4976 194:3518 195:3018 196:1217 197:41 198:3583 199:3988 200:5570 201:1475 202:8396 203:8451 204:4231 205:2332 206:2667 207:2799 208:3993 209:3433 210:2673 211:1440 212:2007 213:1735 214:776 215:69 216:4942 217:1651 218:549 219:348 220:1223 221:497 222:359 223:229

End of report