Orbit

Routing Table Report 08:00 +10GMT Fri 22 Oct, 2010

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

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

BGP routing table entries examined: 329405 Prefixes after maximum aggregation: 151563 Deaggregation factor: 2.17 Unique aggregates announced to Internet: 164373 Total ASes present in the Internet Routing Table: 34913 Prefixes per ASN: 9.44 Origin-only ASes present in the Internet Routing Table: 30224 Origin ASes announcing only one prefix: 14790 Transit ASes present in the Internet Routing Table: 4689 Transit-only ASes present in the Internet Routing Table: 102 Average AS path length visible in the Internet Routing Table: 3.6 Max AS path length visible: 25 Max AS path prepend of ASN (41664) 21 Prefixes from unregistered ASNs in the Routing Table: 311 Unregistered ASNs in the Routing Table: 117 Number of 32-bit ASNs allocated by the RIRs: 828 Prefixes from 32-bit ASNs in the Routing Table: 1208 Special use prefixes present in the Routing Table: 6 Prefixes being announced from unallocated address space: 203 Number of addresses announced to Internet: 2509662208 Equivalent to 149 /8s, 150 /16s and 104 /24s Percentage of available address space announced: 67.7 Percentage of allocated address space announced: 71.6 Percentage of available address space allocated: 94.6 Percentage of address space in use by end-sites: 85.3 Total number of prefixes smaller than registry allocations: 133908

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

Prefixes being announced by APNIC Region ASes: 78253 Total APNIC prefixes after maximum aggregation: 26873 APNIC Deaggregation factor: 2.91 Prefixes being announced from the APNIC address blocks: 75932 Unique aggregates announced from the APNIC address blocks: 34466 APNIC Region origin ASes present in the Internet Routing Table: 4162 APNIC Prefixes per ASN: 18.24 APNIC Region origin ASes announcing only one prefix: 1192 APNIC Region transit ASes present in the Internet Routing Table: 631 Average APNIC Region AS path length visible: 4.0 Max APNIC Region AS path length visible: 20 Number of APNIC addresses announced to Internet: 560401920 Equivalent to 33 /8s, 103 /16s and 14 /24s Percentage of available APNIC address space announced: 75.9

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, 42/8, 43/8, 49/8, 58/8, 59/8, 60/8, 61/8, 101/8, 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: 134709 Total ARIN prefixes after maximum aggregation: 69675 ARIN Deaggregation factor: 1.93 Prefixes being announced from the ARIN address blocks: 107768 Unique aggregates announced from the ARIN address blocks: 43469 ARIN Region origin ASes present in the Internet Routing Table: 13898 ARIN Prefixes per ASN: 7.75 ARIN Region origin ASes announcing only one prefix: 5354 ARIN Region transit ASes present in the Internet Routing Table: 1378 Average ARIN Region AS path length visible: 3.3 Max ARIN Region AS path length visible: 22 Number of ARIN addresses announced to Internet: 737892096 Equivalent to 43 /8s, 251 /16s and 87 /24s Percentage of available ARIN address space announced: 62.8

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, 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, 54/8, 55/8, 56/8, 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, 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: 77324 Total RIPE prefixes after maximum aggregation: 44562 RIPE Deaggregation factor: 1.74 Prefixes being announced from the RIPE address blocks: 70729 Unique aggregates announced from the RIPE address blocks: 46193 RIPE Region origin ASes present in the Internet Routing Table: 14921 RIPE Prefixes per ASN: 4.74 RIPE Region origin ASes announcing only one prefix: 7689 RIPE Region transit ASes present in the Internet Routing Table: 2294 Average RIPE Region AS path length visible: 3.4 Max RIPE Region AS path length visible: 25 Number of RIPE addresses announced to Internet: 442205184 Equivalent to 26 /8s, 91 /16s and 132 /24s Percentage of available RIPE address space announced: 77.5

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, 196608-197631 RIPE Address Blocks 2/8, 25/8, 31/8, 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, 193/8, 194/8, 195/8, 212/8, 213/8, 217/8,

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

Prefixes being announced by LACNIC Region ASes: 29722 Total LACNIC prefixes after maximum aggregation: 7105 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 28551 Unique aggregates announced from the LACNIC address blocks: 15366 LACNIC Region origin ASes present in the Internet Routing Table: 1356 LACNIC Prefixes per ASN: 21.06 LACNIC Region origin ASes announcing only one prefix: 432 LACNIC Region transit ASes present in the Internet Routing Table: 232 Average LACNIC Region AS path length visible: 4.0 Max LACNIC Region AS path length visible: 18 Number of LACNIC addresses announced to Internet: 76364032 Equivalent to 4 /8s, 141 /16s and 57 /24s Percentage of available LACNIC address space announced: 56.9

LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 262144-263167 plus ERX transfers LACNIC Address Blocks 177/8, 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: 7518 Total AfriNIC prefixes after maximum aggregation: 1870 AfriNIC Deaggregation factor: 4.02 Prefixes being announced from the AfriNIC address blocks: 5815 Unique aggregates announced from the AfriNIC address blocks: 1722 AfriNIC Region origin ASes present in the Internet Routing Table: 409 AfriNIC Prefixes per ASN: 14.22 AfriNIC Region origin ASes announcing only one prefix: 123 AfriNIC Region transit ASes present in the Internet Routing Table: 91 Average AfriNIC Region AS path length visible: 3.3 Max AfriNIC Region AS path length visible: 17 Number of AfriNIC addresses announced to Internet: 20908288 Equivalent to 1 /8s, 63 /16s and 9 /24s Percentage of available AfriNIC address space announced: 62.3

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

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

ASN No of nets /20 equiv MaxAgg Description 4766 1729 9453 510 Korea Telecom (KIX) 7545 1417 299 78 TPG Internet Pty Ltd 4755 1372 378 155 TATA Communications formerly 17488 1364 156 121 Hathway IP Over Cable Interne 17974 1272 303 77 PT TELEKOMUNIKASI INDONESIA 24560 1051 309 180 Bharti Airtel Ltd., Telemedia 9583 1030 76 493 Sify Limited 18101 888 116 133 Reliance Infocom Ltd Internet 4808 873 1618 239 CNCGROUP IP network: China169 9829 827 694 27 BSNL National Internet Backbo

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

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

ASN No of nets /20 equiv MaxAgg Description 6389 3767 3667 279 bellsouth.net, inc. 4323 2613 1108 392 Time Warner Telecom 1785 1797 698 130 PaeTec Communications, Inc. 19262 1777 4833 279 Verizon Global Networks 20115 1506 1528 647 Charter Communications 7018 1453 9822 936 AT&T WorldNet Services 6478 1387 279 93 AT&T Worldnet Services 2386 1310 556 926 AT&T Data Communications Serv 11492 1236 231 74 Cable One 22773 1206 2859 62 Cox Communications, Inc.

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

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

ASN No of nets /20 equiv MaxAgg Description 9116 533 328 33 Goldenlines main autonomous s 3292 445 2027 390 TDC Tele Danmark 8866 420 133 25 Bulgarian Telecommunication C 702 404 1869 318 UUNET - Commercial IP service 8551 404 355 38 Bezeq International 34984 382 91 187 BILISIM TELEKOM 3301 380 1688 336 TeliaNet Sweden 12479 378 576 5 Uni2 Autonomous System 3320 377 7332 330 Deutsche Telekom AG 31148 358 19 79 FreeNet ISP

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

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

ASN No of nets /20 equiv MaxAgg Description 10620 1332 247 150 TVCABLE BOGOTA 8151 1208 2581 364 UniNet S.A. de C.V. 28573 1200 920 84 NET Servicos de Comunicao S.A 7303 804 440 95 Telecom Argentina Stet-France 6503 773 223 257 AVANTEL, S.A. 22047 563 310 15 VTR PUNTO NET S.A. 14420 545 39 76 ANDINATEL S.A. 3816 484 210 96 Empresa Nacional de Telecomun 7738 478 922 30 Telecomunicacoes da Bahia S.A 14117 448 32 27 Telefonica del Sur S.A.

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

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

ASN No of nets /20 equiv MaxAgg Description 8452 1061 445 10 TEDATA 24863 738 147 37 LINKdotNET AS number 36992 639 278 159 Etisalat MISR 3741 268 907 225 The Internet Solution 24835 210 78 10 RAYA Telecom - Egypt 6713 203 199 12 Itissalat Al-MAGHRIB 29571 203 19 11 Ci Telecom Autonomous system 2018 197 277 64 Tertiary Education Network 33776 196 12 14 Starcomms Nigeria Limited 16637 157 441 94 MTN Network Solutions

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

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

ASN No of nets /20 equiv MaxAgg Description 6389 3767 3667 279 bellsouth.net, inc. 4323 2613 1108 392 Time Warner Telecom 1785 1797 698 130 PaeTec Communications, Inc. 19262 1777 4833 279 Verizon Global Networks 4766 1729 9453 510 Korea Telecom (KIX) 20115 1506 1528 647 Charter Communications 7018 1453 9822 936 AT&T WorldNet Services 7545 1417 299 78 TPG Internet Pty Ltd 6478 1387 279 93 AT&T Worldnet Services 4755 1372 378 155 TATA Communications formerly

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

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

ASN No of nets Net Savings Description 4323 2613 2221 Time Warner Telecom 1785 1797 1667 PaeTec Communications, Inc. 19262 1777 1498 Verizon Global Networks 7545 1417 1339 TPG Internet Pty Ltd 6478 1387 1294 AT&T Worldnet Services 17488 1364 1243 Hathway IP Over Cable Interne 4766 1729 1219 Korea Telecom (KIX) 4755 1372 1217 TATA Communications formerly 17974 1272 1195 PT TELEKOMUNIKASI INDONESIA 10620 1332 1182 TVCABLE BOGOTA

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

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

Bad AS Designation Network Transit AS Description 65333 PRIVATE 5.0.0.0/8 0 * 65333 PRIVATE 10.0.0.0/8 0 * 16927 UNALLOCATED 12.0.252.0/23 7018 AT&T WorldNet Servic 15132 UNALLOCATED 12.9.150.0/24 7018 AT&T WorldNet Servic 32567 UNALLOCATED 12.14.170.0/24 7018 AT&T WorldNet Servic 13746 UNALLOCATED 12.24.56.0/24 7018 AT&T WorldNet Servic 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

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

Prefixes from private and non-routed address space (Global) -----------------------------------------------------------

Prefix Origin AS Description 10.0.0.0/8 65333 Internet Assigned Numbers Aut 169.254.0.0/16 65333 Internet Assigned Numbers Aut 172.16.0.0/12 65333 Internet Assigned Numbers Aut 192.0.2.0/24 65333 Internet Assigned Numbers Aut 192.168.0.0/16 0 * 198.18.0.0/15 65333 Internet Assigned Numbers Aut

Complete listing at http://thyme.rand.apnic.net/london/data-dsua

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

Network Origin AS Description 31.0.0.0/16 12654 RIPE NCC RIS Project 31.1.0.0/21 12654 RIPE NCC RIS Project 31.1.24.0/24 12654 RIPE NCC RIS Project 41.222.79.0/24 36938 >>UNKNOWN<< 41.223.92.0/22 36936 >>UNKNOWN<< 46.17.152.0/21 31611 Abilene Net Solutions S.r.l. 46.21.0.0/20 15925 Mega Access GmbH 46.35.160.0/21 47771 Digital Cable Television Ltd. 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/london/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 /8:32 /9:10 /10:25 /11:68 /12:208 /13:419 /14:743 /15:1345 /16:11319 /17:5484 /18:9289 /19:18629 /20:23820 /21:23710 /22:31181 /23:30380 /24:172316 /25:11 /26:18 /27:26 /28:146 /29:90 /30:36 /31:0 /32:100

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

ASN No of nets Total ann. Description 6389 2331 3767 bellsouth.net, inc. 4323 1407 2613 Time Warner Telecom 6478 1349 1387 AT&T Worldnet Services 10620 1220 1332 TVCABLE BOGOTA 11492 1193 1236 Cable One 1785 1077 1797 PaeTec Communications, Inc. 7011 1057 1158 Citizens Utilities 18566 1040 1059 Covad Communications 8452 968 1061 TEDATA 19262 903 1777 Verizon Global Networks

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

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

1:86 2:12 4:13 8:314 12:2006 13:8 14:24 15:20 16:3 17:9 20:9 24:1383 27:379 31:1 32:59 33:12 38:692 40:97 41:2563 44:3 46:165 47:10 49:4 50:1 52:12 55:5 56:2 57:25 58:739 59:496 60:478 61:995 62:1013 63:1956 64:3722 65:2334 66:4055 67:1819 68:1135 69:2848 70:754 71:376 72:1940 73:2 74:2327 75:294 76:326 77:861 78:693 79:444 80:1046 81:804 82:505 83:453 84:688 85:1033 86:419 87:700 88:323 89:1562 90:110 91:3127 92:428 93:1022 94:1111 95:746 96:389 97:221 98:625 99:32 101:3 108:64 109:707 110:430 111:603 112:290 113:303 114:457 115:605 116:1128 117:649 118:531 119:971 120:157 121:697 122:1545 123:916 124:1216 125:1239 128:177 129:146 130:162 131:556 132:272 133:20 134:199 135:46 136:210 137:136 138:279 139:107 140:457 141:198 142:332 143:378 144:494 145:55 146:428 147:172 148:602 149:307 150:148 151:231 152:290 153:175 154:2 155:370 156:163 157:306 158:113 159:359 160:313 161:189 162:270 163:156 164:423 165:347 166:470 167:424 168:662 169:153 170:708 171:61 172:2 173:1041 174:496 175:240 176:1 177:1 178:533 180:674 181:1 182:220 183:227 184:131 186:738 187:536 188:852 189:805 190:4125 192:5706 193:4744 194:3430 195:2835 196:1190 198:3472 199:3592 200:5380 201:1570 202:7934 203:8199 204:3935 205:2303 206:2484 207:2955 208:3899 209:3448 210:2512 211:1274 212:1814 213:1715 214:679 215:66 216:4745 217:1570 218:475 219:397 220:1174 221:386 222:314 223:51

End of report