Orbit

Routing Table Report 04:00 +10GMT Mon 25 Jul, 2011

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

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

BGP routing table entries examined: 363747 Prefixes after maximum aggregation: 165619 Deaggregation factor: 2.20 Unique aggregates announced to Internet: 180860 Total ASes present in the Internet Routing Table: 38242 Prefixes per ASN: 9.51 Origin-only ASes present in the Internet Routing Table: 31791 Origin ASes announcing only one prefix: 15301 Transit ASes present in the Internet Routing Table: 5189 Transit-only ASes present in the Internet Routing Table: 136 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: 967 Unregistered ASNs in the Routing Table: 548 Number of 32-bit ASNs allocated by the RIRs: 1590 Number of 32-bit ASNs visible in the Routing Table: 1262 Prefixes from 32-bit ASNs in the Routing Table: 2914 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 117 Number of addresses announced to Internet: 2482642208 Equivalent to 147 /8s, 250 /16s and 29 /24s Percentage of available address space announced: 67.0 Percentage of allocated address space announced: 67.0 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: 151504

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

Prefixes being announced by APNIC Region ASes: 91056 Total APNIC prefixes after maximum aggregation: 30344 APNIC Deaggregation factor: 3.00 Prefixes being announced from the APNIC address blocks: 87640 Unique aggregates announced from the APNIC address blocks: 37437 APNIC Region origin ASes present in the Internet Routing Table: 4518 APNIC Prefixes per ASN: 19.40 APNIC Region origin ASes announcing only one prefix: 1250 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: 620718112 Equivalent to 36 /8s, 255 /16s and 104 /24s Percentage of available APNIC address space announced: 78.7

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: 141645 Total ARIN prefixes after maximum aggregation: 73172 ARIN Deaggregation factor: 1.94 Prefixes being announced from the ARIN address blocks: 113608 Unique aggregates announced from the ARIN address blocks: 46686 ARIN Region origin ASes present in the Internet Routing Table: 14515 ARIN Prefixes per ASN: 7.83 ARIN Region origin ASes announcing only one prefix: 5574 ARIN Region transit ASes present in the Internet Routing Table: 1526 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: 802766208 Equivalent to 47 /8s, 217 /16s and 61 /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: 86445 Total RIPE prefixes after maximum aggregation: 49318 RIPE Deaggregation factor: 1.75 Prefixes being announced from the RIPE address blocks: 79823 Unique aggregates announced from the RIPE address blocks: 52888 RIPE Region origin ASes present in the Internet Routing Table: 15802 RIPE Prefixes per ASN: 5.05 RIPE Region origin ASes announcing only one prefix: 7877 RIPE Region transit ASes present in the Internet Routing Table: 2504 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: 484021376 Equivalent to 28 /8s, 217 /16s and 148 /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: 33451 Total LACNIC prefixes after maximum aggregation: 7604 LACNIC Deaggregation factor: 4.40 Prefixes being announced from the LACNIC address blocks: 32709 Unique aggregates announced from the LACNIC address blocks: 17152 LACNIC Region origin ASes present in the Internet Routing Table: 1489 LACNIC Prefixes per ASN: 21.97 LACNIC Region origin ASes announcing only one prefix: 446 LACNIC Region transit ASes present in the Internet Routing Table: 275 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: 268 Number of LACNIC addresses announced to Internet: 86421760 Equivalent to 5 /8s, 38 /16s and 177 /24s Percentage of available LACNIC address space announced: 57.2

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: 8059 Total AfriNIC prefixes after maximum aggregation: 1966 AfriNIC Deaggregation factor: 4.10 Prefixes being announced from the AfriNIC address blocks: 6377 Unique aggregates announced from the AfriNIC address blocks: 2017 AfriNIC Region origin ASes present in the Internet Routing Table: 471 AfriNIC Prefixes per ASN: 13.54 AfriNIC Region origin ASes announcing only one prefix: 154 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: 24400896 Equivalent to 1 /8s, 116 /16s and 84 /24s Percentage of available AfriNIC address space announced: 36.4

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 2476 11045 944 Korea Telecom (KIX) 17974 1786 508 32 PT TELEKOMUNIKASI INDONESIA 7545 1555 301 85 TPG Internet Pty Ltd 4755 1507 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 1068 79 507 Sify Limited 4808 1048 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 3616 3818 238 bellsouth.net, inc. 18566 1913 365 241 Covad Communications 1785 1811 681 122 PaeTec Communications, Inc. 4323 1615 1082 401 Time Warner Telecom 20115 1590 1538 623 Charter Communications 19262 1411 4760 391 Verizon Global Networks 7018 1357 7067 887 AT&T WorldNet Services 22773 1353 2897 89 Cox Communications, Inc. 7029 1293 791 304 Windstream Communications Inc 2386 1257 520 906 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 459 132 354 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 1271 2746 352 UniNet S.A. de C.V. 7303 980 513 163 Telecom Argentina Stet-France 6503 750 354 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 503 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 810 445 11 TEDATA 24863 659 145 35 LINKdotNET AS number 15475 510 74 8 Nile Online 36992 272 415 15 Etisalat MISR 3741 265 937 226 The Internet Solution 6713 241 215 13 Itissalat Al-MAGHRIB 33776 226 13 5 Starcomms Nigeria Limited 15706 204 32 6 Sudatel Internet Exchange Aut 24835 161 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 3616 3818 238 bellsouth.net, inc. 23456 2914 706 1564 32-bit ASN transition 4766 2476 11045 944 Korea Telecom (KIX) 18566 1913 365 241 Covad Communications 1785 1811 681 122 PaeTec Communications, Inc. 17974 1786 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 1555 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 1786 1754 PT TELEKOMUNIKASI INDONESIA 1785 1811 1689 PaeTec Communications, Inc. 18566 1913 1672 Covad Communications 4766 2476 1532 Korea Telecom (KIX) 7545 1555 1470 TPG Internet Pty Ltd 10620 1559 1396 TVCABLE BOGOTA 23456 2914 1350 32-bit ASN transition 4755 1507 1336 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 /14:796 /15:1393 /16:12033 /17:5865 /18:9811 /19:19497 /20:26157 /21:26226 /22:34847 /23:33779 /24:189404 /25:1080 /26:1264 /27:727 /28:15 /29:9 /30:2 /31:0 /32:6

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

ASN No of nets Total ann. Description 6389 2236 3616 bellsouth.net, inc. 18566 1869 1913 Covad Communications 10620 1454 1559 TVCABLE BOGOTA 23456 1443 2914 32-bit ASN transition 11492 1096 1142 Cable One 7011 1056 1158 Citizens Utilities 1785 1054 1811 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) ----------------------------------------------

1:335 2:44 4:16 5:1 6:3 8:337 12:1964 13:1 14:489 15:15 16:3 17:5 20:10 23:14 24:1680 27:837 31:495 32:64 33:4 34:2 36:4 38:729 40:104 41:2631 42:35 44:3 46:1053 47:3 49:202 50:383 52:13 54:2 55:4 56:2 57:34 58:860 59:482 60:385 61:1179 62:1031 63:1930 64:3989 65:2298 66:3879 67:1884 68:1107 69:3055 70:769 71:373 72:1868 74:2424 75:323 76:341 77:856 78:699 79:454 80:1111 81:841 82:497 83:465 84:691 85:1067 86:519 87:764 88:328 89:1536 90:223 91:3951 92:523 93:1060 94:1335 95:865 96:420 97:263 98:893 99:37 101:81 103:146 106:76 107:25 108:73 109:1019 110:611 111:714 112:302 113:409 114:557 115:681 116:983 117:683 118:859 119:1179 120:315 121:674 122:1601 123:968 124:1307 125:1275 128:246 129:169 130:170 131:489 132:112 133:21 134:214 135:52 136:215 137:139 138:300 139:115 140:480 141:253 142:403 143:415 144:477 145:54 146:452 147:212 148:617 149:248 150:159 151:189 152:337 153:182 154:5 155:399 156:198 157:348 158:140 159:455 160:315 161:204 162:310 163:167 164:503 165:365 166:531 167:433 168:746 169:153 170:834 171:81 172:1 173:1614 174:624 175:381 176:143 177:170 178:1010 180:906 181:23 182:510 183:233 184:343 185:1 186:1308 187:744 188:892 189:949 190:4985 192:5913 193:4971 194:3515 195:3008 196:1213 197:42 198:3577 199:3982 200:5563 201:1475 202:8396 203:8443 204:4225 205:2333 206:2667 207:2796 208:3990 209:3438 210:2668 211:1453 212:2021 213:1738 214:756 215:69 216:4952 217:1654 218:546 219:323 220:1230 221:497 222:343 223:229

End of report