Orbit

Routing Table Report 04:00 +10GMT Thu 27 Oct, 2011

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

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

BGP routing table entries examined: 380904 Prefixes after maximum aggregation: 166266 Deaggregation factor: 2.29 Unique aggregates announced to Internet: 185894 Total ASes present in the Internet Routing Table: 39178 Prefixes per ASN: 9.72 Origin-only ASes present in the Internet Routing Table: 32362 Origin ASes announcing only one prefix: 15515 Transit ASes present in the Internet Routing Table: 5257 Transit-only ASes present in the Internet Routing Table: 131 Average AS path length visible in the Internet Routing Table: 4.4 Max AS path length visible: 33 Max AS path prepend of ASN (48687) 24 Prefixes from unregistered ASNs in the Routing Table: 1528 Unregistered ASNs in the Routing Table: 836 Number of 32-bit ASNs allocated by the RIRs: 1897 Number of 32-bit ASNs visible in the Routing Table: 1559 Prefixes from 32-bit ASNs in the Routing Table: 3586 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 88 Number of addresses announced to Internet: 2488497760 Equivalent to 148 /8s, 83 /16s and 118 /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: 91.5 Total number of prefixes smaller than registry allocations: 161192

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

Prefixes being announced by APNIC Region ASes: 94427 Total APNIC prefixes after maximum aggregation: 30981 APNIC Deaggregation factor: 3.05 Prefixes being announced from the APNIC address blocks: 90875 Unique aggregates announced from the APNIC address blocks: 38009 APNIC Region origin ASes present in the Internet Routing Table: 4587 APNIC Prefixes per ASN: 19.81 APNIC Region origin ASes announcing only one prefix: 1263 APNIC Region transit ASes present in the Internet Routing Table: 717 Average APNIC Region AS path length visible: 4.5 Max APNIC Region AS path length visible: 19 Number of APNIC region 32-bit ASNs visible in the Routing Table: 98 Number of APNIC addresses announced to Internet: 629292384 Equivalent to 37 /8s, 130 /16s and 61 /24s Percentage of available APNIC address space announced: 79.8

APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431 (pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319, 58368-59391, 131072-132095, 132096-133119 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: 145749 Total ARIN prefixes after maximum aggregation: 74509 ARIN Deaggregation factor: 1.96 Prefixes being announced from the ARIN address blocks: 117659 Unique aggregates announced from the ARIN address blocks: 48152 ARIN Region origin ASes present in the Internet Routing Table: 14746 ARIN Prefixes per ASN: 7.98 ARIN Region origin ASes announcing only one prefix: 5667 ARIN Region transit ASes present in the Internet Routing Table: 1558 Average ARIN Region AS path length visible: 4.0 Max ARIN Region AS path length visible: 25 Number of ARIN region 32-bit ASNs visible in the Routing Table: 12 Number of ARIN addresses announced to Internet: 804668928 Equivalent to 47 /8s, 246 /16s and 70 /24s Percentage of available ARIN address space announced: 63.9

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: 93008 Total RIPE prefixes after maximum aggregation: 50782 RIPE Deaggregation factor: 1.83 Prefixes being announced from the RIPE address blocks: 85653 Unique aggregates announced from the RIPE address blocks: 54255 RIPE Region origin ASes present in the Internet Routing Table: 16074 RIPE Prefixes per ASN: 5.33 RIPE Region origin ASes announcing only one prefix: 7980 RIPE Region transit ASes present in the Internet Routing Table: 2521 Average RIPE Region AS path length visible: 4.7 Max RIPE Region AS path length visible: 33 Number of RIPE region 32-bit ASNs visible in the Routing Table: 1092 Number of RIPE addresses announced to Internet: 491190464 Equivalent to 29 /8s, 70 /16s and 248 /24s Percentage of available RIPE address space announced: 79.1

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: 35438 Total LACNIC prefixes after maximum aggregation: 7896 LACNIC Deaggregation factor: 4.49 Prefixes being announced from the LACNIC address blocks: 34871 Unique aggregates announced from the LACNIC address blocks: 18096 LACNIC Region origin ASes present in the Internet Routing Table: 1542 LACNIC Prefixes per ASN: 22.61 LACNIC Region origin ASes announcing only one prefix: 447 LACNIC Region transit ASes present in the Internet Routing Table: 282 Average LACNIC Region AS path length visible: 4.5 Max LACNIC Region AS path length visible: 19 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 353 Number of LACNIC addresses announced to Internet: 92286656 Equivalent to 5 /8s, 128 /16s and 46 /24s Percentage of available LACNIC address space announced: 61.1

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: 8526 Total AfriNIC prefixes after maximum aggregation: 2020 AfriNIC Deaggregation factor: 4.22 Prefixes being announced from the AfriNIC address blocks: 6599 Unique aggregates announced from the AfriNIC address blocks: 1989 AfriNIC Region origin ASes present in the Internet Routing Table: 493 AfriNIC Prefixes per ASN: 13.39 AfriNIC Region origin ASes announcing only one prefix: 158 AfriNIC Region transit ASes present in the Internet Routing Table: 108 Average AfriNIC Region AS path length visible: 4.6 Max AfriNIC Region AS path length visible: 25 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 4 Number of AfriNIC addresses announced to Internet: 27903488 Equivalent to 1 /8s, 169 /16s and 198 /24s Percentage of available AfriNIC address space announced: 41.6

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 2507 11096 967 Korea Telecom (KIX) 17974 1924 519 33 PT TELEKOMUNIKASI INDONESIA 7545 1612 303 85 TPG Internet Pty Ltd 4755 1541 637 175 TATA Communications formerly 9829 1166 989 28 BSNL National Internet Backbo 9583 1091 80 499 Sify Limited 4808 1090 2103 312 CNCGROUP IP network: China169 7552 979 1062 11 Vietel Corporation 24560 964 342 218 Bharti Airtel Ltd., Telemedia 18101 952 166 150 Reliance Infocom Ltd Internet

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 3545 3814 220 bellsouth.net, inc. 7029 2329 1016 197 Windstream Communications Inc 18566 2098 383 177 Covad Communications 1785 1840 680 122 PaeTec Communications, Inc. 4323 1623 1078 388 Time Warner Telecom 20115 1595 1546 620 Charter Communications 22773 1464 2907 100 Cox Communications, Inc. 19262 1395 4728 400 Verizon Global Networks 30036 1390 252 670 Mediacom Communications Corp 7018 1317 7030 862 AT&T WorldNet Services

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 3352 2187 2317 51 Ibernet, Internet Access Netw 8402 1522 352 13 Corbina telecom 6830 653 1927 415 UPC Distribution Services 34984 590 108 180 BILISIM TELEKOM 20940 548 182 422 Akamai Technologies European 3320 504 8169 384 Deutsche Telekom AG 12479 482 595 8 Uni2 Autonomous System 3292 478 2074 405 TDC Tele Danmark 8866 459 133 26 Bulgarian Telecommunication C 29049 423 31 55 AzerSat LLC.

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 1694 313 155 TVCABLE BOGOTA 28573 1468 1032 69 NET Servicos de Comunicao S.A 8151 1430 2929 352 UniNet S.A. de C.V. 7303 1229 747 177 Telecom Argentina Stet-France 27947 589 72 84 Telconet S.A 22047 580 322 17 VTR PUNTO NET S.A. 6503 571 450 69 AVANTEL, S.A. 7738 552 1050 31 Telecomunicacoes da Bahia S.A 3816 538 233 95 Empresa Nacional de Telecomun 11172 523 85 95 Servicios Alestra S.A de C.V

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 802 146 36 LINKdotNET AS number 8452 640 446 12 TEDATA 15475 443 74 8 Nile Online 36992 298 415 21 Etisalat MISR 3741 280 939 229 The Internet Solution 6713 244 519 14 Itissalat Al-MAGHRIB 15706 240 32 6 Sudatel Internet Exchange Aut 29571 218 17 13 Ci Telecom Autonomous system 33776 209 13 14 Starcomms Nigeria Limited 12258 196 28 57 Vodacom Internet Company

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 3545 3814 220 bellsouth.net, inc. 4766 2507 11096 967 Korea Telecom (KIX) 7029 2329 1016 197 Windstream Communications Inc 3352 2187 2317 51 Ibernet, Internet Access Netw 18566 2098 383 177 Covad Communications 17974 1924 519 33 PT TELEKOMUNIKASI INDONESIA 1785 1840 680 122 PaeTec Communications, Inc. 10620 1694 313 155 TVCABLE BOGOTA 4323 1623 1078 388 Time Warner Telecom 7545 1612 303 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 3352 2187 2136 Ibernet, Internet Access Netw 7029 2329 2132 Windstream Communications Inc 18566 2098 1921 Covad Communications 17974 1924 1891 PT TELEKOMUNIKASI INDONESIA 1785 1840 1718 PaeTec Communications, Inc. 4766 2507 1540 Korea Telecom (KIX) 10620 1694 1539 TVCABLE BOGOTA 7545 1612 1527 TPG Internet Pty Ltd 8402 1522 1509 Corbina telecom 28573 1468 1399 NET Servicos de Comunicao S.A

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 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 17300 UNALLOCATED 12.45.103.0/24 7018 AT&T WorldNet Servic 17300 UNALLOCATED 12.45.110.0/24 701 UUNET Technologies, 16476 UNALLOCATED 12.46.27.0/24 7018 AT&T WorldNet Servic 32873 UNALLOCATED 12.46.100.0/23 10912 InterNAP Network Ser

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 /8:19 /9:12 /10:27 /11:81 /12:236 /13:465 /14:808 /15:1427 /16:12024 /17:6071 /18:10068 /19:19936 /20:27419 /21:27671 /22:37370 /23:35935 /24:197853 /25:1174 /26:1367 /27:764 /28:168 /29:4 /30:0 /31:0 /32:5

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

ASN No of nets Total ann. Description 6389 2185 3545 bellsouth.net, inc. 18566 2047 2098 Covad Communications 7029 1999 2329 Windstream Communications Inc 3352 1736 2187 Ibernet, Internet Access Netw 10620 1589 1694 TVCABLE BOGOTA 8402 1498 1522 Corbina telecom 30036 1351 1390 Mediacom Communications Corp 11492 1110 1148 Cable One 1785 1056 1840 PaeTec Communications, Inc. 7011 1050 1168 Citizens Utilities

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

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

1:408 2:486 4:15 5:1 6:3 7:1 8:361 12:1956 13:1 14:540 15:11 16:3 17:7 20:9 23:59 24:1672 27:963 31:616 32:65 33:4 34:2 36:4 38:756 40:110 41:2660 42:54 44:3 46:1007 47:3 49:292 50:439 52:13 55:6 56:2 57:40 58:884 59:489 60:363 61:1173 62:1084 63:1960 64:4055 65:2308 66:4285 67:1985 68:1153 69:3192 70:894 71:380 72:1802 74:2572 75:392 76:320 77:885 78:872 79:455 80:1582 81:954 82:502 83:576 84:619 85:1126 86:398 87:890 88:419 89:1601 90:238 91:4229 92:531 93:1539 94:1310 95:1090 96:434 97:284 98:923 99:37 101:220 103:404 106:70 107:77 108:72 109:1048 110:664 111:792 112:332 113:486 114:614 115:696 116:888 117:710 118:901 119:1264 120:337 121:692 122:1566 123:1015 124:1356 125:1318 128:243 129:185 130:165 131:592 132:146 133:21 134:219 135:54 136:213 137:140 138:284 139:123 140:485 141:300 142:389 143:417 144:492 145:63 146:473 147:223 148:640 149:265 150:166 151:192 152:447 153:178 154:7 155:388 156:208 157:363 158:153 159:481 160:329 161:214 162:341 163:174 164:510 165:370 166:537 167:437 168:741 169:146 170:872 171:86 172:4 173:1713 174:685 175:423 176:293 177:356 178:1072 180:1122 181:36 182:653 183:216 184:378 185:1 186:1303 187:707 188:939 189:870 190:5135 192:5930 193:5044 194:3558 195:3109 196:1252 197:161 198:3624 199:4174 200:5531 201:1687 202:8572 203:8482 204:4299 205:2362 206:2671 207:2816 208:4017 209:3569 210:2714 211:1459 212:2088 213:1799 214:797 215:95 216:4915 217:1613 218:563 219:343 220:1219 221:517 222:345 223:271

End of report