Orbit

Routing Table Report 08:00 +10GMT Sat 23 Oct, 2010

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

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

BGP routing table entries examined: 329672 Prefixes after maximum aggregation: 151597 Deaggregation factor: 2.17 Unique aggregates announced to Internet: 164461 Total ASes present in the Internet Routing Table: 34915 Prefixes per ASN: 9.44 Origin-only ASes present in the Internet Routing Table: 30227 Origin ASes announcing only one prefix: 14786 Transit ASes present in the Internet Routing Table: 4688 Transit-only ASes present in the Internet Routing Table: 104 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: 344 Unregistered ASNs in the Routing Table: 127 Number of 32-bit ASNs allocated by the RIRs: 829 Prefixes from 32-bit ASNs in the Routing Table: 1214 Special use prefixes present in the Routing Table: 6 Prefixes being announced from unallocated address space: 194 Number of addresses announced to Internet: 2509796864 Equivalent to 149 /8s, 152 /16s and 118 /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: 134049

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

Prefixes being announced by APNIC Region ASes: 78332 Total APNIC prefixes after maximum aggregation: 26873 APNIC Deaggregation factor: 2.91 Prefixes being announced from the APNIC address blocks: 76017 Unique aggregates announced from the APNIC address blocks: 34502 APNIC Region origin ASes present in the Internet Routing Table: 4161 APNIC Prefixes per ASN: 18.27 APNIC Region origin ASes announcing only one prefix: 1190 APNIC Region transit ASes present in the Internet Routing Table: 629 Average APNIC Region AS path length visible: 4.0 Max APNIC Region AS path length visible: 20 Number of APNIC addresses announced to Internet: 560444928 Equivalent to 33 /8s, 103 /16s and 182 /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: 134766 Total ARIN prefixes after maximum aggregation: 69715 ARIN Deaggregation factor: 1.93 Prefixes being announced from the ARIN address blocks: 107815 Unique aggregates announced from the ARIN address blocks: 43500 ARIN Region origin ASes present in the Internet Routing Table: 13899 ARIN Prefixes per ASN: 7.76 ARIN Region origin ASes announcing only one prefix: 5348 ARIN Region transit ASes present in the Internet Routing Table: 1379 Average ARIN Region AS path length visible: 3.3 Max ARIN Region AS path length visible: 22 Number of ARIN addresses announced to Internet: 737938176 Equivalent to 43 /8s, 252 /16s and 11 /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: 77344 Total RIPE prefixes after maximum aggregation: 44550 RIPE Deaggregation factor: 1.74 Prefixes being announced from the RIPE address blocks: 70767 Unique aggregates announced from the RIPE address blocks: 46173 RIPE Region origin ASes present in the Internet Routing Table: 14917 RIPE Prefixes per ASN: 4.74 RIPE Region origin ASes announcing only one prefix: 7691 RIPE Region transit ASes present in the Internet Routing Table: 2292 Average RIPE Region AS path length visible: 3.4 Max RIPE Region AS path length visible: 25 Number of RIPE addresses announced to Internet: 442175488 Equivalent to 26 /8s, 91 /16s and 16 /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: 29832 Total LACNIC prefixes after maximum aggregation: 7105 LACNIC Deaggregation factor: 4.20 Prefixes being announced from the LACNIC address blocks: 28660 Unique aggregates announced from the LACNIC address blocks: 15401 LACNIC Region origin ASes present in the Internet Routing Table: 1359 LACNIC Prefixes per ASN: 21.09 LACNIC Region origin ASes announcing only one prefix: 432 LACNIC Region transit ASes present in the Internet Routing Table: 233 Average LACNIC Region AS path length visible: 4.0 Max LACNIC Region AS path length visible: 18 Number of LACNIC addresses announced to Internet: 76330496 Equivalent to 4 /8s, 140 /16s and 182 /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: 7507 Total AfriNIC prefixes after maximum aggregation: 1872 AfriNIC Deaggregation factor: 4.01 Prefixes being announced from the AfriNIC address blocks: 5809 Unique aggregates announced from the AfriNIC address blocks: 1725 AfriNIC Region origin ASes present in the Internet Routing Table: 410 AfriNIC Prefixes per ASN: 14.17 AfriNIC Region origin ASes announcing only one prefix: 125 AfriNIC Region transit ASes present in the Internet Routing Table: 92 Average AfriNIC Region AS path length visible: 3.3 Max AfriNIC Region AS path length visible: 17 Number of AfriNIC addresses announced to Internet: 20924928 Equivalent to 1 /8s, 63 /16s and 74 /24s Percentage of available AfriNIC address space announced: 62.4

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 1416 299 77 TPG Internet Pty Ltd 4755 1371 378 156 TATA Communications formerly 17488 1364 156 121 Hathway IP Over Cable Interne 17974 1275 304 79 PT TELEKOMUNIKASI INDONESIA 24560 1052 309 173 Bharti Airtel Ltd., Telemedia 9583 1030 76 493 Sify Limited 18101 891 116 133 Reliance Infocom Ltd Internet 4808 881 1621 246 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 3765 3667 279 bellsouth.net, inc. 4323 2613 1108 391 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 935 AT&T WorldNet Services 6478 1387 279 98 AT&T Worldnet Services 2386 1313 556 929 AT&T Data Communications Serv 11492 1237 231 74 Cable One 22773 1207 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 8551 404 355 38 Bezeq International 702 400 1869 315 UUNET - Commercial IP service 34984 381 91 188 BILISIM TELEKOM 3301 379 1688 335 TeliaNet Sweden 3320 377 7332 330 Deutsche Telekom AG 30890 376 80 205 Evolva Telecom 12479 364 576 5 Uni2 Autonomous System

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 1329 247 150 TVCABLE BOGOTA 8151 1207 2581 363 UniNet S.A. de C.V. 28573 1201 920 84 NET Servicos de Comunicao S.A 7303 805 440 96 Telecom Argentina Stet-France 6503 775 223 258 AVANTEL, S.A. 22047 564 310 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 1062 445 10 TEDATA 24863 739 147 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 3765 3667 279 bellsouth.net, inc. 4323 2613 1108 391 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 935 AT&T WorldNet Services 7545 1416 299 77 TPG Internet Pty Ltd 6478 1387 279 98 AT&T Worldnet Services 4755 1371 378 156 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 2222 Time Warner Telecom 1785 1797 1667 PaeTec Communications, Inc. 19262 1777 1498 Verizon Global Networks 7545 1416 1339 TPG Internet Pty Ltd 6478 1387 1289 AT&T Worldnet Services 17488 1364 1243 Hathway IP Over Cable Interne 4766 1729 1219 Korea Telecom (KIX) 4755 1371 1215 TATA Communications formerly 17974 1275 1196 PT TELEKOMUNIKASI INDONESIA 10620 1329 1179 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<< 62.61.220.0/24 24974 Tachyon Europe BV - Wireless 62.61.221.0/24 24974 Tachyon Europe BV - Wireless 64.21.192.0/20 11610 Internet Nebraska Corporation 64.21.212.0/22 11610 Internet Nebraska Corporation 64.21.216.0/21 11610 Internet Nebraska Corporation

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 /16:11335 /17:5483 /18:9297 /19:18628 /20:23834 /21:23719 /22:31237 /23:30431 /24:172425 /25:11 /26:18 /27:26 /28:148 /29:93 /30:36 /31:0 /32:101

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

ASN No of nets Total ann. Description 6389 2329 3765 bellsouth.net, inc. 4323 1407 2613 Time Warner Telecom 6478 1349 1387 AT&T Worldnet Services 10620 1220 1329 TVCABLE BOGOTA 11492 1194 1237 Cable One 1785 1077 1797 PaeTec Communications, Inc. 7011 1058 1159 Citizens Utilities 18566 1040 1059 Covad Communications 8452 969 1062 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) ----------------------------------------------

1:87 2:12 4:13 8:314 12:2011 13:8 14:28 15:20 16:3 17:9 20:9 24:1385 27:379 31:1 32:59 33:12 38:692 40:97 41:2567 44:3 46:164 47:10 49:4 50:1 52:12 55:5 56:2 57:25 58:742 59:496 60:478 61:994 62:1012 63:1959 64:3725 65:2341 66:4055 67:1819 68:1133 69:2846 70:754 71:376 72:1936 73:2 74:2327 75:294 76:327 77:867 78:689 79:445 80:1047 81:805 82:504 83:452 84:690 85:1021 86:431 87:704 88:327 89:1566 90:110 91:3128 92:432 93:1013 94:1113 95:699 96:390 97:222 98:626 99:33 101:3 108:64 109:709 110:434 111:608 112:291 113:303 114:458 115:602 116:1128 117:653 118:532 119:972 120:157 121:694 122:1544 123:913 124:1215 125:1239 128:177 129:146 130:162 131:562 132:271 133:20 134:199 135:46 136:210 137:136 138:279 139:107 140:457 141:198 142:332 143:380 144:491 145:55 146:428 147:173 148:602 149:307 150:145 151:230 152:290 153:175 154:2 155:369 156:162 157:306 158:112 159:359 160:313 161:189 162:270 163:156 164:424 165:347 166:470 167:425 168:662 169:153 170:708 171:61 172:2 173:1043 174:496 175:240 176:1 177:1 178:544 180:673 181:1 182:220 183:236 184:131 186:740 187:545 188:851 189:805 190:4172 192:5704 193:4740 194:3432 195:2828 196:1197 198:3472 199:3599 200:5394 201:1574 202:7937 203:8204 204:3936 205:2297 206:2485 207:2954 208:3903 209:3446 210:2509 211:1275 212:1816 213:1718 214:684 215:66 216:4746 217:1563 218:473 219:397 220:1175 221:386 222:314 223:53

End of report