Orbit

Routing Table Report 08:00 +10GMT Mon 31 Jan, 2011

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

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

BGP routing table entries examined: 336278 Prefixes after maximum aggregation: 153929 Deaggregation factor: 2.18 Unique aggregates announced to Internet: 169233 Total ASes present in the Internet Routing Table: 35554 Prefixes per ASN: 9.46 Origin-only ASes present in the Internet Routing Table: 30768 Origin ASes announcing only one prefix: 14954 Transit ASes present in the Internet Routing Table: 4786 Transit-only ASes present in the Internet Routing Table: 105 Average AS path length visible in the Internet Routing Table: 3.6 Max AS path length visible: 25 Max AS path prepend of ASN (22394) 20 Prefixes from unregistered ASNs in the Routing Table: 315 Unregistered ASNs in the Routing Table: 121 Number of 32-bit ASNs allocated by the RIRs: 1063 Prefixes from 32-bit ASNs in the Routing Table: 1620 Special use prefixes present in the Routing Table: 6 Prefixes being announced from unallocated address space: 205 Number of addresses announced to Internet: 2484458752 Equivalent to 148 /8s, 21 /16s and 213 /24s Percentage of available address space announced: 67.0 Percentage of allocated address space announced: 69.2 Percentage of available address space allocated: 96.8 Percentage of address space in use by end-sites: 88.0 Total number of prefixes smaller than registry allocations: 136517

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

Prefixes being announced by APNIC Region ASes: 81598 Total APNIC prefixes after maximum aggregation: 27789 APNIC Deaggregation factor: 2.94 Prefixes being announced from the APNIC address blocks: 79200 Unique aggregates announced from the APNIC address blocks: 35469 APNIC Region origin ASes present in the Internet Routing Table: 4261 APNIC Prefixes per ASN: 18.59 APNIC Region origin ASes announcing only one prefix: 1225 APNIC Region transit ASes present in the Internet Routing Table: 657 Average APNIC Region AS path length visible: 4.2 Max APNIC Region AS path length visible: 21 Number of APNIC addresses announced to Internet: 586443776 Equivalent to 34 /8s, 244 /16s and 108 /24s Percentage of available APNIC address space announced: 79.4

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: 135124 Total ARIN prefixes after maximum aggregation: 69277 ARIN Deaggregation factor: 1.95 Prefixes being announced from the ARIN address blocks: 108097 Unique aggregates announced from the ARIN address blocks: 44499 ARIN Region origin ASes present in the Internet Routing Table: 14074 ARIN Prefixes per ASN: 7.68 ARIN Region origin ASes announcing only one prefix: 5391 ARIN Region transit ASes present in the Internet Routing Table: 1385 Average ARIN Region AS path length visible: 3.3 Max ARIN Region AS path length visible: 23 Number of ARIN addresses announced to Internet: 751591168 Equivalent to 44 /8s, 204 /16s and 95 /24s Percentage of available ARIN address space announced: 63.1

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, 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, 100/8, 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: 81436 Total RIPE prefixes after maximum aggregation: 46129 RIPE Deaggregation factor: 1.77 Prefixes being announced from the RIPE address blocks: 74763 Unique aggregates announced from the RIPE address blocks: 48383 RIPE Region origin ASes present in the Internet Routing Table: 15238 RIPE Prefixes per ASN: 4.91 RIPE Region origin ASes announcing only one prefix: 7778 RIPE Region transit ASes present in the Internet Routing Table: 2353 Average RIPE Region AS path length visible: 3.5 Max RIPE Region AS path length visible: 25 Number of RIPE addresses announced to Internet: 457042688 Equivalent to 27 /8s, 61 /16s and 235 /24s Percentage of available RIPE address space announced: 75.7

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, 193/8, 194/8, 195/8, 212/8, 213/8, 217/8,

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

Prefixes being announced by LACNIC Region ASes: 31123 Total LACNIC prefixes after maximum aggregation: 7169 LACNIC Deaggregation factor: 4.34 Prefixes being announced from the LACNIC address blocks: 30047 Unique aggregates announced from the LACNIC address blocks: 15789 LACNIC Region origin ASes present in the Internet Routing Table: 1412 LACNIC Prefixes per ASN: 21.28 LACNIC Region origin ASes announcing only one prefix: 436 LACNIC Region transit ASes present in the Internet Routing Table: 239 Average LACNIC Region AS path length visible: 4.0 Max LACNIC Region AS path length visible: 18 Number of LACNIC addresses announced to Internet: 80209408 Equivalent to 4 /8s, 199 /16s and 230 /24s Percentage of available LACNIC address space announced: 59.8

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: 4705 Total AfriNIC prefixes after maximum aggregation: 1668 AfriNIC Deaggregation factor: 2.82 Prefixes being announced from the AfriNIC address blocks: 3505 Unique aggregates announced from the AfriNIC address blocks: 1585 AfriNIC Region origin ASes present in the Internet Routing Table: 403 AfriNIC Prefixes per ASN: 8.70 AfriNIC Region origin ASes announcing only one prefix: 124 AfriNIC Region transit ASes present in the Internet Routing Table: 89 Average AfriNIC Region AS path length visible: 3.5 Max AfriNIC Region AS path length visible: 17 Number of AfriNIC addresses announced to Internet: 18339328 Equivalent to 1 /8s, 23 /16s and 214 /24s Percentage of available AfriNIC address space announced: 36.4

AfriNIC AS Blocks 36864-37887, 327680-328703 & ERX transfers AfriNIC Address Blocks 41/8, 105/8, 197/8,

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

ASN No of nets /20 equiv MaxAgg Description 4766 1760 9484 516 Korea Telecom (KIX) 7545 1581 299 77 TPG Internet Pty Ltd 4755 1404 636 162 TATA Communications formerly 17974 1388 459 28 PT TELEKOMUNIKASI INDONESIA 24560 1094 317 180 Bharti Airtel Ltd., Telemedia 9583 1044 76 487 Sify Limited 17488 950 162 103 Hathway IP Over Cable Interne 4808 935 2030 271 CNCGROUP IP network: China169 18101 923 116 140 Reliance Infocom Ltd Internet 9829 896 762 41 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 3710 3855 266 bellsouth.net, inc. 4323 2633 1125 404 Time Warner Telecom 19262 1841 4943 285 Verizon Global Networks 1785 1790 698 133 PaeTec Communications, Inc. 20115 1521 1531 642 Charter Communications 6478 1483 292 54 AT&T Worldnet Services 7018 1373 6708 891 AT&T WorldNet Services 2386 1299 554 935 AT&T Data Communications Serv 22773 1274 2865 78 Cox Communications, Inc. 11492 1271 235 74 Cable One

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 6830 510 1764 317 UPC Distribution Services 9116 481 328 31 Goldenlines main autonomous s 9198 465 266 14 Kazakhtelecom Data Network Ad 34984 458 97 137 BILISIM TELEKOM 3292 447 2011 390 TDC Tele Danmark 8866 438 133 23 Bulgarian Telecommunication C 12479 413 577 6 Uni2 Autonomous System 8551 404 355 38 Bezeq International 702 401 1819 314 UUNET - Commercial IP service 3320 401 7616 350 Deutsche Telekom AG

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 1357 252 165 TVCABLE BOGOTA 28573 1225 961 82 NET Servicos de Comunicao S.A 8151 1202 2613 355 UniNet S.A. de C.V. 6503 1139 355 79 AVANTEL, S.A. 7303 864 460 103 Telecom Argentina Stet-France 14420 614 55 90 ANDINATEL S.A. 22047 566 310 15 VTR PUNTO NET S.A. 3816 500 220 95 Empresa Nacional de Telecomun 7738 478 922 30 Telecomunicacoes da Bahia S.A 14117 456 34 31 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 3741 264 987 226 The Internet Solution 6713 203 199 12 Itissalat Al-MAGHRIB 33776 194 12 15 Starcomms Nigeria Limited 29571 193 17 11 Ci Telecom Autonomous system 16637 154 439 86 MTN Network Solutions 36874 139 24 6 Cybersmart 29975 131 475 17 Vodacom 37061 108 9 2 One Communications Ltd 15706 106 16 5 Sudatel Internet Exchange Aut 37054 85 5 21 Data Telecom Service

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 3710 3855 266 bellsouth.net, inc. 4323 2633 1125 404 Time Warner Telecom 19262 1841 4943 285 Verizon Global Networks 1785 1790 698 133 PaeTec Communications, Inc. 4766 1760 9484 516 Korea Telecom (KIX) 23456 1620 402 893 32-bit ASN transition 7545 1581 299 77 TPG Internet Pty Ltd 20115 1521 1531 642 Charter Communications 6478 1483 292 54 AT&T Worldnet Services 4755 1404 636 162 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 2633 2229 Time Warner Telecom 1785 1790 1657 PaeTec Communications, Inc. 19262 1841 1556 Verizon Global Networks 7545 1581 1504 TPG Internet Pty Ltd 6478 1483 1429 AT&T Worldnet Services 17974 1388 1360 PT TELEKOMUNIKASI INDONESIA 4766 1760 1244 Korea Telecom (KIX) 4755 1404 1242 TATA Communications formerly 11492 1271 1197 Cable One 22773 1274 1196 Cox Communications, Inc.

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 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 26973 UNALLOCATED 12.39.159.0/24 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 5.0.0.0/16 12654 RIPE NCC RIS Project 5.1.0.0/21 12654 RIPE NCC RIS Project 5.1.24.0/24 12654 RIPE NCC RIS Project 24.129.192.0/19 7922 Continental Cablevision 37.0.0.0/16 12654 RIPE NCC RIS Project 37.1.0.0/21 12654 RIPE NCC RIS Project 37.1.24.0/24 12654 RIPE NCC RIS Project 41.78.192.0/22 30999 Emtel is GSM, 3G and ISP in M 41.222.79.0/24 36938 >>UNKNOWN<< 41.223.92.0/22 36936 >>UNKNOWN<<

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 /8:27 /9:10 /10:26 /11:71 /12:215 /13:439 /14:765 /15:1358 /16:11425 /17:5571 /18:9222 /19:18838 /20:24219 /21:24434 /22:32190 /23:30808 /24:176220 /25:11 /26:17 /27:23 /28:150 /29:91 /30:41 /31:0 /32:107

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

ASN No of nets Total ann. Description 6389 2288 3710 bellsouth.net, inc. 6478 1437 1483 AT&T Worldnet Services 4323 1420 2633 Time Warner Telecom 10620 1248 1357 TVCABLE BOGOTA 11492 1227 1271 Cable One 18566 1103 1122 Covad Communications 7011 1065 1168 Citizens Utilities 1785 1059 1790 PaeTec Communications, Inc. 23456 959 1620 32-bit ASN transition 19262 954 1841 Verizon Global Networks

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

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

1:167 2:34 4:13 5:1 8:330 12:2029 13:1 14:361 15:15 16:3 17:8 20:9 23:1 24:1466 27:557 32:57 33:5 34:2 36:1 37:1 38:689 40:101 41:1630 42:1 44:3 46:517 47:5 49:142 50:76 52:12 55:5 56:2 57:27 58:762 59:481 60:389 61:1014 62:851 63:1911 64:3732 65:2329 66:4061 67:1756 68:1005 69:2874 70:716 71:392 72:1988 73:1 74:2309 75:293 76:330 77:852 78:690 79:442 80:1013 81:759 82:515 83:473 84:455 85:1049 86:510 87:737 88:359 89:1584 90:159 91:3441 92:494 93:1042 94:1185 95:779 96:417 97:249 98:755 99:33 101:24 107:3 108:81 109:854 110:470 111:684 112:305 113:351 114:474 115:626 116:870 117:667 118:642 119:1020 120:239 121:681 122:1603 123:1050 124:1250 125:1207 128:195 129:151 130:168 131:564 132:103 133:20 134:210 135:49 136:213 137:144 138:293 139:118 140:466 141:198 142:347 143:371 144:423 145:51 146:418 147:192 148:610 149:272 150:150 151:231 152:300 153:175 154:2 155:346 156:171 157:312 158:128 159:370 160:313 161:195 162:276 163:108 164:483 165:336 166:481 167:423 168:732 169:149 170:742 171:66 172:1 173:1270 174:517 175:312 176:1 177:4 178:773 180:765 182:389 183:245 184:207 186:963 187:797 188:910 189:1021 190:4418 192:5733 193:4776 194:3458 195:2907 196:1030 197:3 198:3473 199:3717 200:5555 201:1575 202:8035 203:8336 204:4027 205:2310 206:2434 207:2883 208:3865 209:3464 210:2579 211:1322 212:1880 213:1624 214:748 215:62 216:4803 217:1488 218:515 219:371 220:1194 221:432 222:316 223:89

End of report