Orbit

Routing Table Report 04:00 +10GMT Fri 21 Oct, 2011

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

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

BGP routing table entries examined: 380684 Prefixes after maximum aggregation: 169824 Deaggregation factor: 2.24 Unique aggregates announced to Internet: 185425 Total ASes present in the Internet Routing Table: 39130 Prefixes per ASN: 9.73 Origin-only ASes present in the Internet Routing Table: 32351 Origin ASes announcing only one prefix: 15519 Transit ASes present in the Internet Routing Table: 5248 Transit-only ASes present in the Internet Routing Table: 133 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: 1476 Unregistered ASNs in the Routing Table: 816 Number of 32-bit ASNs allocated by the RIRs: 1874 Number of 32-bit ASNs visible in the Routing Table: 1531 Prefixes from 32-bit ASNs in the Routing Table: 3511 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 93 Number of addresses announced to Internet: 2485465824 Equivalent to 148 /8s, 37 /16s and 50 /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: 160987

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

Prefixes being announced by APNIC Region ASes: 94650 Total APNIC prefixes after maximum aggregation: 30911 APNIC Deaggregation factor: 3.06 Prefixes being announced from the APNIC address blocks: 91101 Unique aggregates announced from the APNIC address blocks: 37990 APNIC Region origin ASes present in the Internet Routing Table: 4581 APNIC Prefixes per ASN: 19.89 APNIC Region origin ASes announcing only one prefix: 1260 APNIC Region transit ASes present in the Internet Routing Table: 713 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: 95 Number of APNIC addresses announced to Internet: 628890976 Equivalent to 37 /8s, 124 /16s and 29 /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: 145779 Total ARIN prefixes after maximum aggregation: 74426 ARIN Deaggregation factor: 1.96 Prefixes being announced from the ARIN address blocks: 117709 Unique aggregates announced from the ARIN address blocks: 47864 ARIN Region origin ASes present in the Internet Routing Table: 14745 ARIN Prefixes per ASN: 7.98 ARIN Region origin ASes announcing only one prefix: 5669 ARIN Region transit ASes present in the Internet Routing Table: 1551 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: 804736512 Equivalent to 47 /8s, 247 /16s and 78 /24s Percentage of available ARIN address space announced: 64.0

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: 92777 Total RIPE prefixes after maximum aggregation: 50710 RIPE Deaggregation factor: 1.83 Prefixes being announced from the RIPE address blocks: 85471 Unique aggregates announced from the RIPE address blocks: 54169 RIPE Region origin ASes present in the Internet Routing Table: 16060 RIPE Prefixes per ASN: 5.32 RIPE Region origin ASes announcing only one prefix: 7982 RIPE Region transit ASes present in the Internet Routing Table: 2525 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: 1073 Number of RIPE addresses announced to Internet: 491077504 Equivalent to 29 /8s, 69 /16s and 63 /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: 35276 Total LACNIC prefixes after maximum aggregation: 7918 LACNIC Deaggregation factor: 4.46 Prefixes being announced from the LACNIC address blocks: 34689 Unique aggregates announced from the LACNIC address blocks: 18067 LACNIC Region origin ASes present in the Internet Routing Table: 1544 LACNIC Prefixes per ASN: 22.47 LACNIC Region origin ASes announcing only one prefix: 448 LACNIC Region transit ASes present in the Internet Routing Table: 281 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: 347 Number of LACNIC addresses announced to Internet: 91653248 Equivalent to 5 /8s, 118 /16s and 132 /24s Percentage of available LACNIC address space announced: 60.7

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: 8524 Total AfriNIC prefixes after maximum aggregation: 2011 AfriNIC Deaggregation factor: 4.24 Prefixes being announced from the AfriNIC address blocks: 6589 Unique aggregates announced from the AfriNIC address blocks: 2003 AfriNIC Region origin ASes present in the Internet Routing Table: 491 AfriNIC Prefixes per ASN: 13.42 AfriNIC Region origin ASes announcing only one prefix: 160 AfriNIC Region transit ASes present in the Internet Routing Table: 106 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: 27813120 Equivalent to 1 /8s, 168 /16s and 101 /24s Percentage of available AfriNIC address space announced: 41.4

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 2502 11095 963 Korea Telecom (KIX) 17974 1882 519 33 PT TELEKOMUNIKASI INDONESIA 7545 1611 303 86 TPG Internet Pty Ltd 4755 1540 639 174 TATA Communications formerly 7552 1389 1064 8 Vietel Corporation 9829 1166 989 28 BSNL National Internet Backbo 9583 1088 80 503 Sify Limited 4808 1076 2090 305 CNCGROUP IP network: China169 24560 967 343 220 Bharti Airtel Ltd., Telemedia 18101 950 166 148 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 3546 3815 221 bellsouth.net, inc. 7029 2252 1016 197 Windstream Communications Inc 18566 2098 383 177 Covad Communications 1785 1838 680 122 PaeTec Communications, Inc. 4323 1626 1083 391 Time Warner Telecom 20115 1593 1545 623 Charter Communications 22773 1462 2907 100 Cox Communications, Inc. 19262 1395 4728 400 Verizon Global Networks 30036 1394 251 672 Mediacom Communications Corp 7018 1342 7078 851 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 2214 2317 51 Ibernet, Internet Access Netw 8402 1493 352 13 Corbina telecom 6830 653 1927 415 UPC Distribution Services 34984 584 108 180 BILISIM TELEKOM 20940 547 182 421 Akamai Technologies European 3320 504 8169 384 Deutsche Telekom AG 12479 483 593 7 Uni2 Autonomous System 3292 481 2080 408 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 1692 312 154 TVCABLE BOGOTA 28573 1439 1032 69 NET Servicos de Comunicao S.A 8151 1428 2895 350 UniNet S.A. de C.V. 7303 1228 747 176 Telecom Argentina Stet-France 27947 587 72 83 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 537 233 96 Empresa Nacional de Telecomun 11172 522 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 642 446 12 TEDATA 15475 443 74 8 Nile Online 36992 297 415 21 Etisalat MISR 3741 278 938 229 The Internet Solution 6713 244 519 14 Itissalat Al-MAGHRIB 15706 240 32 6 Sudatel Internet Exchange Aut 29571 217 17 13 Ci Telecom Autonomous system 33776 197 12 16 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 3546 3815 221 bellsouth.net, inc. 4766 2502 11095 963 Korea Telecom (KIX) 7029 2252 1016 197 Windstream Communications Inc 3352 2214 2317 51 Ibernet, Internet Access Netw 18566 2098 383 177 Covad Communications 17974 1882 519 33 PT TELEKOMUNIKASI INDONESIA 1785 1838 680 122 PaeTec Communications, Inc. 10620 1692 312 154 TVCABLE BOGOTA 4323 1626 1083 391 Time Warner Telecom 7545 1611 303 86 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 2214 2163 Ibernet, Internet Access Netw 7029 2252 2055 Windstream Communications Inc 18566 2098 1921 Covad Communications 17974 1882 1849 PT TELEKOMUNIKASI INDONESIA 1785 1838 1716 PaeTec Communications, Inc. 4766 2502 1539 Korea Telecom (KIX) 10620 1692 1538 TVCABLE BOGOTA 7545 1611 1525 TPG Internet Pty Ltd 8402 1493 1480 Corbina telecom 7552 1389 1381 Vietel Corporation

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 37125 Layer3 Limited 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 /12:235 /13:464 /14:808 /15:1425 /16:12007 /17:6042 /18:10046 /19:19966 /20:27462 /21:27606 /22:37370 /23:35885 /24:197807 /25:1153 /26:1342 /27:749 /28:169 /29:4 /30:0 /31:0 /32:5

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

ASN No of nets Total ann. Description 6389 2185 3546 bellsouth.net, inc. 18566 2047 2098 Covad Communications 7029 1926 2252 Windstream Communications Inc 3352 1760 2214 Ibernet, Internet Access Netw 10620 1587 1692 TVCABLE BOGOTA 8402 1469 1493 Corbina telecom 30036 1356 1394 Mediacom Communications Corp 11492 1111 1149 Cable One 1785 1057 1838 PaeTec Communications, Inc. 7011 1047 1165 Citizens Utilities

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

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

1:403 2:483 4:15 5:1 6:3 8:361 12:1957 13:1 14:541 15:11 16:3 17:7 20:9 23:58 24:1676 27:965 31:604 32:65 33:4 34:2 36:4 38:755 40:110 41:2664 42:53 44:3 46:998 47:3 49:296 50:439 52:13 55:6 56:2 57:36 58:883 59:493 60:363 61:1181 62:1086 63:1938 64:4075 65:2306 66:4282 67:1978 68:1153 69:3242 70:892 71:376 72:1846 74:2571 75:387 76:320 77:880 78:861 79:480 80:1586 81:941 82:501 83:576 84:622 85:1124 86:405 87:886 88:418 89:1600 90:269 91:4212 92:496 93:1538 94:1309 95:1074 96:437 97:283 98:915 99:37 101:216 103:380 106:70 107:73 108:72 109:1046 110:672 111:788 112:329 113:485 114:610 115:706 116:881 117:711 118:899 119:1248 120:340 121:692 122:1568 123:1018 124:1357 125:1383 128:249 129:182 130:163 131:592 132:145 133:21 134:219 135:54 136:213 137:140 138:284 139:119 140:488 141:298 142:387 143:436 144:495 145:63 146:472 147:215 148:642 149:267 150:166 151:192 152:449 153:178 154:7 155:385 156:206 157:361 158:152 159:479 160:324 161:214 162:340 163:174 164:510 165:367 166:536 167:438 168:742 169:146 170:872 171:86 172:4 173:1696 174:684 175:428 176:281 177:338 178:1058 180:1089 181:36 182:644 183:217 184:377 185:1 186:1299 187:703 188:933 189:873 190:5116 192:5916 193:5039 194:3558 195:3108 196:1251 197:151 198:3622 199:4172 200:5516 201:1649 202:8563 203:8509 204:4297 205:2366 206:2676 207:2828 208:4047 209:3594 210:2691 211:1455 212:2079 213:1769 214:787 215:96 216:5004 217:1615 218:564 219:342 220:1243 221:515 222:345 223:278

End of report