Orbit

Routing Table Report 08:00 +10GMT Tue 01 Feb, 2011

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

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

BGP routing table entries examined: 336310 Prefixes after maximum aggregation: 154023 Deaggregation factor: 2.18 Unique aggregates announced to Internet: 169287 Total ASes present in the Internet Routing Table: 35552 Prefixes per ASN: 9.46 Origin-only ASes present in the Internet Routing Table: 30775 Origin ASes announcing only one prefix: 14948 Transit ASes present in the Internet Routing Table: 4777 Transit-only ASes present in the Internet Routing Table: 108 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: 335 Unregistered ASNs in the Routing Table: 129 Number of 32-bit ASNs allocated by the RIRs: 1063 Prefixes from 32-bit ASNs in the Routing Table: 1635 Special use prefixes present in the Routing Table: 6 Prefixes being announced from unallocated address space: 200 Number of addresses announced to Internet: 2484530176 Equivalent to 148 /8s, 22 /16s and 236 /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: 136577

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

Prefixes being announced by APNIC Region ASes: 81573 Total APNIC prefixes after maximum aggregation: 27780 APNIC Deaggregation factor: 2.94 Prefixes being announced from the APNIC address blocks: 79192 Unique aggregates announced from the APNIC address blocks: 35489 APNIC Region origin ASes present in the Internet Routing Table: 4265 APNIC Prefixes per ASN: 18.57 APNIC Region origin ASes announcing only one prefix: 1228 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: 586672128 Equivalent to 34 /8s, 247 /16s and 232 /24s Percentage of available APNIC address space announced: 79.5

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: 135163 Total ARIN prefixes after maximum aggregation: 69373 ARIN Deaggregation factor: 1.95 Prefixes being announced from the ARIN address blocks: 108070 Unique aggregates announced from the ARIN address blocks: 44495 ARIN Region origin ASes present in the Internet Routing Table: 14071 ARIN Prefixes per ASN: 7.68 ARIN Region origin ASes announcing only one prefix: 5389 ARIN Region transit ASes present in the Internet Routing Table: 1384 Average ARIN Region AS path length visible: 3.3 Max ARIN Region AS path length visible: 23 Number of ARIN addresses announced to Internet: 751590656 Equivalent to 44 /8s, 204 /16s and 93 /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: 81567 Total RIPE prefixes after maximum aggregation: 46152 RIPE Deaggregation factor: 1.77 Prefixes being announced from the RIPE address blocks: 74881 Unique aggregates announced from the RIPE address blocks: 48470 RIPE Region origin ASes present in the Internet Routing Table: 15244 RIPE Prefixes per ASN: 4.91 RIPE Region origin ASes announcing only one prefix: 7776 RIPE Region transit ASes present in the Internet Routing Table: 2347 Average RIPE Region AS path length visible: 3.5 Max RIPE Region AS path length visible: 25 Number of RIPE addresses announced to Internet: 457164032 Equivalent to 27 /8s, 63 /16s and 197 /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: 31081 Total LACNIC prefixes after maximum aggregation: 7167 LACNIC Deaggregation factor: 4.34 Prefixes being announced from the LACNIC address blocks: 30007 Unique aggregates announced from the LACNIC address blocks: 15763 LACNIC Region origin ASes present in the Internet Routing Table: 1410 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: 237 Average LACNIC Region AS path length visible: 4.0 Max LACNIC Region AS path length visible: 18 Number of LACNIC addresses announced to Internet: 80228864 Equivalent to 4 /8s, 200 /16s and 50 /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: 4610 Total AfriNIC prefixes after maximum aggregation: 1648 AfriNIC Deaggregation factor: 2.80 Prefixes being announced from the AfriNIC address blocks: 3422 Unique aggregates announced from the AfriNIC address blocks: 1575 AfriNIC Region origin ASes present in the Internet Routing Table: 393 AfriNIC Prefixes per ASN: 8.71 AfriNIC Region origin ASes announcing only one prefix: 119 AfriNIC Region transit ASes present in the Internet Routing Table: 88 Average AfriNIC Region AS path length visible: 3.5 Max AfriNIC Region AS path length visible: 17 Number of AfriNIC addresses announced to Internet: 18181376 Equivalent to 1 /8s, 21 /16s and 109 /24s Percentage of available AfriNIC address space announced: 36.1

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 1585 299 79 TPG Internet Pty Ltd 4755 1406 636 162 TATA Communications formerly 17974 1371 459 28 PT TELEKOMUNIKASI INDONESIA 24560 1090 317 189 Bharti Airtel Ltd., Telemedia 9583 1044 76 487 Sify Limited 17488 950 162 103 Hathway IP Over Cable Interne 4808 934 2030 269 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 1519 1529 643 Charter Communications 6478 1470 289 114 AT&T Worldnet Services 7018 1372 6708 893 AT&T WorldNet Services 2386 1298 554 935 AT&T Data Communications Serv 22773 1276 2865 78 Cox Communications, Inc. 11492 1262 235 79 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 513 1764 318 UPC Distribution Services 9116 481 328 31 Goldenlines main autonomous s 9198 465 266 14 Kazakhtelecom Data Network Ad 34984 457 97 137 BILISIM TELEKOM 3292 447 2011 390 TDC Tele Danmark 8866 439 133 23 Bulgarian Telecommunication C 12479 414 577 6 Uni2 Autonomous System 8551 405 355 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 1358 252 163 TVCABLE BOGOTA 28573 1226 961 82 NET Servicos de Comunicao S.A 8151 1201 2613 356 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 501 220 96 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 147 422 84 MTN Network Solutions 36874 139 24 6 Cybersmart 29975 131 490 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 1635 403 896 32-bit ASN transition 7545 1585 299 79 TPG Internet Pty Ltd 20115 1519 1529 643 Charter Communications 6478 1470 289 114 AT&T Worldnet Services 4755 1406 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 1585 1506 TPG Internet Pty Ltd 6478 1470 1356 AT&T Worldnet Services 17974 1371 1343 PT TELEKOMUNIKASI INDONESIA 4766 1760 1244 Korea Telecom (KIX) 4755 1406 1244 TATA Communications formerly 22773 1276 1198 Cox Communications, Inc. 10620 1358 1195 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 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 /16:11424 /17:5572 /18:9225 /19:18833 /20:24210 /21:24436 /22:32311 /23:30768 /24:176171 /25:11 /26:17 /27:24 /28:152 /29:91 /30:43 /31:0 /32:111

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

ASN No of nets Total ann. Description 6389 2288 3710 bellsouth.net, inc. 6478 1424 1470 AT&T Worldnet Services 4323 1420 2633 Time Warner Telecom 10620 1249 1358 TVCABLE BOGOTA 11492 1218 1262 Cable One 18566 1103 1122 Covad Communications 7011 1065 1168 Citizens Utilities 1785 1059 1790 PaeTec Communications, Inc. 23456 971 1635 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 24:1464 27:562 32:57 33:5 34:2 36:1 37:1 38:689 40:101 41:1641 42:1 44:3 46:527 47:5 49:143 50:76 52:12 55:5 56:2 57:26 58:762 59:481 60:389 61:1018 62:853 63:1910 64:3733 65:2327 66:4058 67:1755 68:1004 69:2875 70:717 71:392 72:1990 73:1 74:2313 75:293 76:330 77:841 78:695 79:442 80:1022 81:758 82:516 83:476 84:459 85:1052 86:510 87:738 88:349 89:1583 90:159 91:3441 92:494 93:1043 94:1193 95:781 96:408 97:249 98:756 99:33 101:24 107:3 108:81 109:868 110:470 111:687 112:304 113:357 114:471 115:625 116:870 117:666 118:644 119:1023 120:239 121:680 122:1603 123:1051 124:1250 125:1212 128:195 129:149 130:167 131:565 132:103 133:20 134:210 135:49 136:213 137:144 138:293 139:118 140:466 141:198 142:348 143:375 144:480 145:51 146:418 147:192 148:609 149:272 150:149 151:231 152:300 153:175 154:2 155:347 156:167 157:312 158:128 159:369 160:313 161:195 162:276 163:108 164:485 165:336 166:480 167:421 168:734 169:149 170:743 171:66 172:1 173:1263 174:519 175:312 176:1 177:4 178:765 180:765 182:388 183:247 184:208 186:967 187:790 188:906 189:1010 190:4410 192:5738 193:4778 194:3461 195:2907 196:1016 197:3 198:3475 199:3714 200:5547 201:1577 202:8026 203:8313 204:4027 205:2325 206:2420 207:2886 208:3865 209:3466 210:2590 211:1323 212:1878 213:1602 214:754 215:62 216:4785 217:1415 218:515 219:371 220:1194 221:433 222:316 223:90

End of report