Orbit

Routing Table Report 08:00 +10GMT Wed 21 Mar, 2012

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

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

BGP routing table entries examined: 395121 Prefixes after maximum aggregation: 169029 Deaggregation factor: 2.34 Unique aggregates announced to Internet: 194749 Total ASes present in the Internet Routing Table: 38179 Prefixes per ASN: 10.35 Origin-only ASes present in the Internet Routing Table: 32916 Origin ASes announcing only one prefix: 15516 Transit ASes present in the Internet Routing Table: 5263 Transit-only ASes present in the Internet Routing Table: 123 Average AS path length visible in the Internet Routing Table: 3.6 Max AS path length visible: 26 Max AS path prepend of ASN (51742) 24 Prefixes from unregistered ASNs in the Routing Table: 1315 Unregistered ASNs in the Routing Table: 298 Number of 32-bit ASNs allocated by the RIRs: 2323 Number of 32-bit ASNs visible in the Routing Table: 0 Prefixes from 32-bit ASNs in the Routing Table: 5104 Special use prefixes present in the Routing Table: 8 Prefixes being announced from unallocated address space: 801 Number of addresses announced to Internet: 2544569088 Equivalent to 151 /8s, 171 /16s and 11 /24s Percentage of available address space announced: 68.7 Percentage of allocated address space announced: 68.7 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 92.1 Total number of prefixes smaller than registry allocations: 166356

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

Prefixes being announced by APNIC Region ASes: 92806 Total APNIC prefixes after maximum aggregation: 30521 APNIC Deaggregation factor: 3.04 Prefixes being announced from the APNIC address blocks: 90217 Unique aggregates announced from the APNIC address blocks: 39231 APNIC Region origin ASes present in the Internet Routing Table: 4625 APNIC Prefixes per ASN: 19.51 APNIC Region origin ASes announcing only one prefix: 1255 APNIC Region transit ASes present in the Internet Routing Table: 699 Average APNIC Region AS path length visible: 4.0 Max APNIC Region AS path length visible: 17 Number of APNIC region 32-bit ASNs visible in the Routing Table: 0 Number of APNIC addresses announced to Internet: 640733440 Equivalent to 38 /8s, 48 /16s and 209 /24s Percentage of available APNIC address space announced: 81.3

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: 147538 Total ARIN prefixes after maximum aggregation: 75277 ARIN Deaggregation factor: 1.96 Prefixes being announced from the ARIN address blocks: 119341 Unique aggregates announced from the ARIN address blocks: 49839 ARIN Region origin ASes present in the Internet Routing Table: 14879 ARIN Prefixes per ASN: 8.02 ARIN Region origin ASes announcing only one prefix: 5671 ARIN Region transit ASes present in the Internet Routing Table: 1507 Average ARIN Region AS path length visible: 3.3 Max ARIN Region AS path length visible: 16 Number of ARIN region 32-bit ASNs visible in the Routing Table: 0 Number of ARIN addresses announced to Internet: 806651648 Equivalent to 48 /8s, 20 /16s and 135 /24s Percentage of available ARIN address space announced: 64.1

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, 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: 101428 Total RIPE prefixes after maximum aggregation: 52997 RIPE Deaggregation factor: 1.91 Prefixes being announced from the RIPE address blocks: 92877 Unique aggregates announced from the RIPE address blocks: 57056 RIPE Region origin ASes present in the Internet Routing Table: 16347 RIPE Prefixes per ASN: 5.68 RIPE Region origin ASes announcing only one prefix: 7989 RIPE Region transit ASes present in the Internet Routing Table: 2593 Average RIPE Region AS path length visible: 3.5 Max RIPE Region AS path length visible: 26 Number of RIPE region 32-bit ASNs visible in the Routing Table: 0 Number of RIPE addresses announced to Internet: 502102016 Equivalent to 29 /8s, 237 /16s and 120 /24s Percentage of available RIPE address space announced: 80.9

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: 38413 Total LACNIC prefixes after maximum aggregation: 7965 LACNIC Deaggregation factor: 4.82 Prefixes being announced from the LACNIC address blocks: 38336 Unique aggregates announced from the LACNIC address blocks: 19622 LACNIC Region origin ASes present in the Internet Routing Table: 1560 LACNIC Prefixes per ASN: 24.57 LACNIC Region origin ASes announcing only one prefix: 435 LACNIC Region transit ASes present in the Internet Routing Table: 284 Average LACNIC Region AS path length visible: 4.0 Max LACNIC Region AS path length visible: 17 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 0 Number of LACNIC addresses announced to Internet: 98383616 Equivalent to 5 /8s, 221 /16s and 55 /24s Percentage of available LACNIC address space announced: 65.2

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: 8890 Total AfriNIC prefixes after maximum aggregation: 2101 AfriNIC Deaggregation factor: 4.23 Prefixes being announced from the AfriNIC address blocks: 7002 Unique aggregates announced from the AfriNIC address blocks: 2181 AfriNIC Region origin ASes present in the Internet Routing Table: 520 AfriNIC Prefixes per ASN: 13.47 AfriNIC Region origin ASes announcing only one prefix: 166 AfriNIC Region transit ASes present in the Internet Routing Table: 116 Average AfriNIC Region AS path length visible: 3.6 Max AfriNIC Region AS path length visible: 24 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 0 Number of AfriNIC addresses announced to Internet: 31488000 Equivalent to 1 /8s, 224 /16s and 120 /24s Percentage of available AfriNIC address space announced: 46.9

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 1936 11107 684 Korea Telecom (KIX) 17974 1662 500 62 PT Telekomunikasi Indonesia 7545 1651 303 88 TPG Internet Pty Ltd 4755 1550 385 159 TATA Communications formerly 9583 1235 94 536 Sify Limited 9829 1187 1001 30 National Internet Backbone 7552 1108 1062 11 Vietel Corporation 24560 1013 384 166 Bharti Airtel Ltd., Telemedia 4808 982 1946 281 CNCGROUP IP network China169 18101 947 130 158 Reliance Infocom Ltd Internet

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 7029 3410 1031 168 Windstream Communications Inc 6389 3375 3807 200 BellSouth.net Inc. 18566 2094 383 179 Covad Communications Co. 1785 1884 679 126 PaeTec Communications, Inc. 20115 1632 1558 628 Charter Communications 4323 1598 1076 382 tw telecom holdings, inc. 22773 1544 2910 111 Cox Communications Inc. 30036 1398 252 743 Mediacom Communications Corp 7018 1284 9809 843 AT&T Services, Inc. 11492 1164 212 415 CABLE ONE, 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 8402 1563 544 16 Corbina telecom 2118 1427 97 13 EUnet/RELCOM Autonomous Syste 15557 1089 2247 55 NEUF CEGETEL (formerly LDCOM 34984 664 188 171 BILISIM TELEKOM 31148 660 37 9 FreeNet ISP 6830 641 1943 412 UPC Broadband 12479 636 651 55 France Telecom Espana SA 20940 616 200 486 Akamai Technologies European 9116 541 326 32 Goldenlines main autonomous s 3320 533 8442 398 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 1806 329 130 Types of queries are: POCs, o 28573 1726 1099 60 Types of queries are: POCs, o 7303 1346 824 189 Telecom Argentina S.A. 8151 1338 2998 340 Uninet S.A. de C.V. 26615 901 676 31 Tim Celular S.A. 27947 653 68 109 Telconet S.A 11172 638 107 74 Alestra, S. de R.L. de C.V. 22047 584 326 15 Types of queries are: POCs, o 3816 556 237 100 Types of queries are: POCs, o 7738 550 1050 31 Telecomunicacoes da Bahia 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 1264 958 13 TEDATA 24863 840 274 34 LINKdotNET AS number 6713 489 649 18 Itissalat Al-MAGHRIB 3741 271 923 228 The Internet Solution 15706 227 32 6 Sudatel Internet Exchange Aut 12258 197 28 62 Vodacom Internet Company 15399 190 29 12 Wananchi Online Limited 24835 177 80 8 RAYA Telecom - Egypt 33776 162 12 25 Starcomms Nigeria Limited 36923 157 20 4 Swift Networks Limited

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 7029 3410 1031 168 Windstream Communications Inc 6389 3375 3807 200 BellSouth.net Inc. 18566 2094 383 179 Covad Communications Co. 4766 1936 11107 684 Korea Telecom (KIX) 1785 1884 679 126 PaeTec Communications, Inc. 10620 1806 329 130 Types of queries are: POCs, o 28573 1726 1099 60 Types of queries are: POCs, o 17974 1662 500 62 PT Telekomunikasi Indonesia 7545 1651 303 88 TPG Internet Pty Ltd 20115 1632 1558 628 Charter Communications

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

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

ASN No of nets Net Savings Description 6389 3375 3175 BellSouth.net Inc. 18566 2094 1915 Covad Communications Co. 1785 1884 1758 PaeTec Communications, Inc. 10620 1806 1676 Types of queries are: POCs, o 28573 1726 1666 Types of queries are: POCs, o 17974 1662 1600 PT Telekomunikasi Indonesia 7545 1651 1563 TPG Internet Pty Ltd 8402 1563 1547 Corbina telecom 22773 1544 1433 Cox Communications Inc. 2118 1427 1414 EUnet/RELCOM Autonomous Syste

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

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

Bad AS Designation Network Transit AS Description 54439 UNALLOCATED 8.25.174.0/24 3356 Level 3 Communicatio 65333 PRIVATE 10.0.0.0/8 0 * 32805 UNALLOCATED 12.1.225.0/24 7018 AT&T Services, Inc. 15132 UNALLOCATED 12.9.150.0/24 7018 AT&T Services, Inc. 32567 UNALLOCATED 12.14.170.0/24 7018 AT&T Services, Inc. 16504 UNALLOCATED 12.18.155.0/24 30170 Optic Fusion 32567 UNALLOCATED 12.25.107.0/24 4323 tw telecom holdings, 30031 UNALLOCATED 12.27.122.0/24 7018 AT&T Services, Inc. 26095 UNALLOCATED 12.34.8.0/24 7018 AT&T Services, Inc. 21861 UNALLOCATED 12.37.59.0/24 7018 AT&T Services, Inc.

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 128.0.0.0/21 12654 RIPE NCC RIS Project 128.0.24.0/24 12654 RIPE NCC RIS Project 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 14.192.0.0/22 45464 Room 201, TGU Bldg 14.192.4.0/22 45464 Room 201, TGU Bldg 14.192.8.0/22 45464 Room 201, TGU Bldg 14.192.12.0/22 45464 Room 201, TGU Bldg 14.192.16.0/22 45464 Room 201, TGU Bldg 14.192.20.0/22 45464 Room 201, TGU Bldg 14.192.24.0/22 45464 Room 201, TGU Bldg 14.192.28.0/22 45464 Room 201, TGU Bldg 23.27.0.0/20 54500 EGIHosting 23.27.16.0/20 54500 EGIHosting

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 /8:20 /9:12 /10:28 /11:81 /12:236 /13:458 /14:819 /15:1474 /16:12129 /17:6243 /18:10405 /19:20529 /20:28486 /21:29238 /22:39565 /23:36995 /24:207845 /25:11 /26:21 /27:20 /28:154 /29:141 /30:69 /31:0 /32:142

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

ASN No of nets Total ann. Description 7029 3053 3410 Windstream Communications Inc 6389 2089 3375 BellSouth.net Inc. 18566 2043 2094 Covad Communications Co. 10620 1703 1806 Types of queries are: POCs, o 8402 1540 1563 Corbina telecom 30036 1346 1398 Mediacom Communications Corp 11492 1127 1164 CABLE ONE, INC. 8452 1074 1264 TEDATA 1785 1065 1884 PaeTec Communications, Inc. 7011 1037 1151 Frontier Communications of Am

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

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

1:530 2:641 4:14 6:3 8:394 12:1973 13:1 14:604 15:12 16:3 17:7 20:8 23:144 24:1746 27:1243 31:951 32:57 33:2 34:2 36:8 37:291 38:771 40:122 41:3123 42:128 44:3 46:1430 47:3 49:334 50:516 52:13 54:5 55:10 56:3 57:35 58:911 59:487 60:274 61:1088 62:982 63:1993 64:4173 65:2273 66:4492 67:2004 68:1146 69:3140 70:899 71:389 72:1779 74:2583 75:491 76:318 77:959 78:967 79:493 80:1239 81:903 82:653 83:552 84:596 85:1198 86:732 87:921 88:348 89:1613 90:294 91:4613 92:519 93:1445 94:1454 95:1118 96:369 97:316 98:795 99:38 100:6 101:147 103:895 106:63 107:175 108:204 109:1540 110:732 111:892 112:430 113:545 114:624 115:744 116:847 117:706 118:905 119:1186 120:332 121:668 122:1618 123:1084 124:1297 125:1259 128:504 129:183 130:258 131:590 132:165 133:21 134:230 135:63 136:210 137:184 138:275 139:144 140:466 141:241 142:373 143:416 144:494 145:69 146:484 147:243 148:703 149:294 150:149 151:174 152:454 153:171 154:6 155:443 156:210 157:336 158:163 159:447 160:324 161:232 162:340 163:176 164:531 165:392 166:562 167:463 168:806 169:147 170:842 171:121 172:4 173:1717 174:584 175:422 176:457 177:583 178:1286 180:1097 181:73 182:741 183:277 184:441 185:1 186:2126 187:849 188:1140 189:1188 190:5517 192:5942 193:5599 194:4563 195:3632 196:1253 197:186 198:3568 199:4424 200:5649 201:1648 202:8192 203:8501 204:4271 205:2444 206:2653 207:2727 208:4047 209:3579 210:2684 211:1441 212:1990 213:1903 214:862 215:106 216:5033 217:1527 218:522 219:337 220:1227 221:536 222:297 223:314

End of report