Orbit

Routing Table Report 04:00 +10GMT Sun 31 Jul, 2011

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

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

BGP routing table entries examined: 365528 Prefixes after maximum aggregation: 165840 Deaggregation factor: 2.20 Unique aggregates announced to Internet: 181458 Total ASes present in the Internet Routing Table: 38313 Prefixes per ASN: 9.54 Origin-only ASes present in the Internet Routing Table: 31802 Origin ASes announcing only one prefix: 15302 Transit ASes present in the Internet Routing Table: 5226 Transit-only ASes present in the Internet Routing Table: 141 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: 1014 Unregistered ASNs in the Routing Table: 571 Number of 32-bit ASNs allocated by the RIRs: 1605 Number of 32-bit ASNs visible in the Routing Table: 1285 Prefixes from 32-bit ASNs in the Routing Table: 2976 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 116 Number of addresses announced to Internet: 2488424960 Equivalent to 148 /8s, 82 /16s and 90 /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: 91.2 Total number of prefixes smaller than registry allocations: 152312

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

Prefixes being announced by APNIC Region ASes: 91662 Total APNIC prefixes after maximum aggregation: 30417 APNIC Deaggregation factor: 3.01 Prefixes being announced from the APNIC address blocks: 88201 Unique aggregates announced from the APNIC address blocks: 37611 APNIC Region origin ASes present in the Internet Routing Table: 4524 APNIC Prefixes per ASN: 19.50 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: 19 Number of APNIC region 32-bit ASNs visible in the Routing Table: 67 Number of APNIC addresses announced to Internet: 622579296 Equivalent to 37 /8s, 27 /16s and 206 /24s Percentage of available APNIC address space announced: 79.0

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: 141814 Total ARIN prefixes after maximum aggregation: 73129 ARIN Deaggregation factor: 1.94 Prefixes being announced from the ARIN address blocks: 113662 Unique aggregates announced from the ARIN address blocks: 46746 ARIN Region origin ASes present in the Internet Routing Table: 14513 ARIN Prefixes per ASN: 7.83 ARIN Region origin ASes announcing only one prefix: 5560 ARIN Region transit ASes present in the Internet Routing Table: 1542 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: 803227520 Equivalent to 47 /8s, 224 /16s and 71 /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: 86848 Total RIPE prefixes after maximum aggregation: 49420 RIPE Deaggregation factor: 1.76 Prefixes being announced from the RIPE address blocks: 80186 Unique aggregates announced from the RIPE address blocks: 53027 RIPE Region origin ASes present in the Internet Routing Table: 15831 RIPE Prefixes per ASN: 5.07 RIPE Region origin ASes announcing only one prefix: 7901 RIPE Region transit ASes present in the Internet Routing Table: 2512 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: 925 Number of RIPE addresses announced to Internet: 484378240 Equivalent to 28 /8s, 223 /16s and 6 /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: 33844 Total LACNIC prefixes after maximum aggregation: 7630 LACNIC Deaggregation factor: 4.44 Prefixes being announced from the LACNIC address blocks: 33070 Unique aggregates announced from the LACNIC address blocks: 17306 LACNIC Region origin ASes present in the Internet Routing Table: 1493 LACNIC Prefixes per ASN: 22.15 LACNIC Region origin ASes announcing only one prefix: 441 LACNIC Region transit ASes present in the Internet Routing Table: 278 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: 277 Number of LACNIC addresses announced to Internet: 87255808 Equivalent to 5 /8s, 51 /16s and 107 /24s Percentage of available LACNIC address space announced: 57.8

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: 8193 Total AfriNIC prefixes after maximum aggregation: 1978 AfriNIC Deaggregation factor: 4.14 Prefixes being announced from the AfriNIC address blocks: 6472 Unique aggregates announced from the AfriNIC address blocks: 2032 AfriNIC Region origin ASes present in the Internet Routing Table: 478 AfriNIC Prefixes per ASN: 13.54 AfriNIC Region origin ASes announcing only one prefix: 150 AfriNIC Region transit ASes present in the Internet Routing Table: 105 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: 26895360 Equivalent to 1 /8s, 154 /16s and 100 /24s Percentage of available AfriNIC address space announced: 40.1

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 2493 11046 949 Korea Telecom (KIX) 17974 1783 516 31 PT TELEKOMUNIKASI INDONESIA 7545 1559 301 86 TPG Internet Pty Ltd 4755 1513 635 172 TATA Communications formerly 7552 1360 1064 7 Vietel Corporation 24560 1194 336 187 Bharti Airtel Ltd., Telemedia 9829 1114 929 42 BSNL National Internet Backbo 9583 1062 78 500 Sify Limited 4808 1052 2093 299 CNCGROUP IP network: China169 17488 968 190 113 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 3620 3818 237 bellsouth.net, inc. 18566 1913 365 241 Covad Communications 1785 1812 681 121 PaeTec Communications, Inc. 4323 1615 1082 401 Time Warner Telecom 7029 1603 993 229 Windstream Communications Inc 20115 1591 1538 623 Charter Communications 19262 1413 4792 392 Verizon Global Networks 22773 1406 2900 90 Cox Communications, Inc. 7018 1362 7068 890 AT&T WorldNet Services 2386 1256 520 905 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 466 133 358 Akamai Technologies European 12479 455 593 7 Uni2 Autonomous System 8866 454 133 26 Bulgarian Telecommunication C 29049 434 32 53 AzerSat LLC. 3320 425 8151 371 Deutsche Telekom AG 8551 404 354 44 Bezeq International 3301 397 1855 346 TeliaNet Sweden

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 1565 288 167 TVCABLE BOGOTA 8151 1418 2748 351 UniNet S.A. de C.V. 28573 1260 995 70 NET Servicos de Comunicao S.A 7303 1058 577 172 Telecom Argentina Stet-France 6503 748 450 68 AVANTEL, S.A. 14420 701 56 82 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 510 53 54 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 24863 799 147 36 LINKdotNET AS number 8452 795 445 11 TEDATA 15475 510 74 8 Nile Online 3741 265 937 226 The Internet Solution 6713 260 519 14 Itissalat Al-MAGHRIB 36992 258 415 15 Etisalat MISR 33776 227 13 6 Starcomms Nigeria Limited 24835 177 78 10 RAYA Telecom - Egypt 29571 158 17 11 Ci Telecom Autonomous system 16637 147 665 85 MTN Network Solutions

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 3620 3818 237 bellsouth.net, inc. 23456 2976 716 1590 32-bit ASN transition 4766 2493 11046 949 Korea Telecom (KIX) 18566 1913 365 241 Covad Communications 1785 1812 681 121 PaeTec Communications, Inc. 17974 1783 516 31 PT TELEKOMUNIKASI INDONESIA 4323 1615 1082 401 Time Warner Telecom 7029 1603 993 229 Windstream Communications Inc 20115 1591 1538 623 Charter Communications 10620 1565 288 167 TVCABLE BOGOTA

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 1783 1752 PT TELEKOMUNIKASI INDONESIA 1785 1812 1691 PaeTec Communications, Inc. 18566 1913 1672 Covad Communications 4766 2493 1544 Korea Telecom (KIX) 7545 1559 1473 TPG Internet Pty Ltd 10620 1565 1398 TVCABLE BOGOTA 23456 2976 1386 32-bit ASN transition 7029 1603 1374 Windstream Communications Inc 7552 1360 1353 Vietel Corporation 4755 1513 1341 TATA Communications formerly

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 /12:233 /13:465 /14:799 /15:1407 /16:12047 /17:5891 /18:9823 /19:19533 /20:26373 /21:26319 /22:35026 /23:33972 /24:190163 /25:1098 /26:1286 /27:735 /28:202 /29:9 /30:2 /31:0 /32:6

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

ASN No of nets Total ann. Description 6389 2243 3620 bellsouth.net, inc. 18566 1869 1913 Covad Communications 23456 1464 2976 32-bit ASN transition 10620 1460 1565 TVCABLE BOGOTA 7029 1301 1603 Windstream Communications Inc 11492 1096 1142 Cable One 7011 1057 1159 Citizens Utilities 1785 1053 1812 PaeTec Communications, Inc. 6478 968 996 AT&T Worldnet Services 22773 905 1406 Cox Communications, Inc.

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

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

1:341 2:45 4:16 5:1 6:3 8:339 12:1959 13:1 14:496 15:15 16:3 17:5 20:9 23:18 24:1678 27:854 31:514 32:64 33:4 34:2 36:4 38:729 40:104 41:2562 42:36 44:3 46:1053 47:3 49:201 50:377 52:13 54:2 55:6 56:2 57:34 58:868 59:487 60:378 61:1185 62:1050 63:1938 64:3988 65:2299 66:3905 67:1888 68:1114 69:3032 70:779 71:373 72:1860 74:2436 75:328 76:340 77:864 78:704 79:475 80:1118 81:841 82:501 83:466 84:689 85:1065 86:517 87:763 88:333 89:1530 90:224 91:3981 92:527 93:1055 94:1335 95:864 96:420 97:264 98:913 99:37 101:82 103:164 106:79 107:26 108:73 109:1030 110:612 111:716 112:305 113:407 114:555 115:685 116:987 117:683 118:852 119:1187 120:314 121:678 122:1608 123:975 124:1312 125:1328 128:246 129:169 130:170 131:576 132:115 133:21 134:214 135:52 136:215 137:132 138:296 139:115 140:479 141:254 142:403 143:422 144:485 145:56 146:455 147:213 148:673 149:252 150:158 151:189 152:341 153:182 154:5 155:399 156:198 157:353 158:140 159:454 160:318 161:205 162:308 163:166 164:507 165:364 166:532 167:432 168:745 169:153 170:837 171:81 172:1 173:1618 174:610 175:385 176:147 177:188 178:996 180:913 181:25 182:514 183:234 184:342 185:1 186:1311 187:757 188:891 189:965 190:5035 192:5917 193:4978 194:3509 195:3063 196:1204 197:45 198:3584 199:3997 200:5575 201:1477 202:8407 203:8467 204:4243 205:2322 206:2662 207:2799 208:3992 209:3411 210:2689 211:1456 212:2088 213:1779 214:786 215:67 216:4897 217:1632 218:547 219:347 220:1233 221:494 222:360 223:235

End of report