Orbit

Routing Table Report 08:00 +10GMT Mon 06 Dec, 2010

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

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

BGP routing table entries examined: 332640 Prefixes after maximum aggregation: 151457 Deaggregation factor: 2.20 Unique aggregates announced to Internet: 166074 Total ASes present in the Internet Routing Table: 35246 Prefixes per ASN: 9.44 Origin-only ASes present in the Internet Routing Table: 30490 Origin ASes announcing only one prefix: 14918 Transit ASes present in the Internet Routing Table: 4756 Transit-only ASes present in the Internet Routing Table: 107 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: 704 Unregistered ASNs in the Routing Table: 274 Number of 32-bit ASNs allocated by the RIRs: 931 Prefixes from 32-bit ASNs in the Routing Table: 1394 Special use prefixes present in the Routing Table: 6 Prefixes being announced from unallocated address space: 186 Number of addresses announced to Internet: 2448876544 Equivalent to 145 /8s, 246 /16s and 228 /24s Percentage of available address space announced: 66.1 Percentage of allocated address space announced: 68.2 Percentage of available address space allocated: 96.8 Percentage of address space in use by end-sites: 86.4 Total number of prefixes smaller than registry allocations: 135228

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

Prefixes being announced by APNIC Region ASes: 79839 Total APNIC prefixes after maximum aggregation: 27201 APNIC Deaggregation factor: 2.94 Prefixes being announced from the APNIC address blocks: 77542 Unique aggregates announced from the APNIC address blocks: 35075 APNIC Region origin ASes present in the Internet Routing Table: 4206 APNIC Prefixes per ASN: 18.44 APNIC Region origin ASes announcing only one prefix: 1218 APNIC Region transit ASes present in the Internet Routing Table: 645 Average APNIC Region AS path length visible: 4.1 Max APNIC Region AS path length visible: 21 Number of APNIC addresses announced to Internet: 571058688 Equivalent to 34 /8s, 9 /16s and 170 /24s Percentage of available APNIC address space announced: 77.4

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: 133768 Total ARIN prefixes after maximum aggregation: 68460 ARIN Deaggregation factor: 1.95 Prefixes being announced from the ARIN address blocks: 106622 Unique aggregates announced from the ARIN address blocks: 43814 ARIN Region origin ASes present in the Internet Routing Table: 13967 ARIN Prefixes per ASN: 7.63 ARIN Region origin ASes announcing only one prefix: 5363 ARIN Region transit ASes present in the Internet Routing Table: 1402 Average ARIN Region AS path length visible: 3.3 Max ARIN Region AS path length visible: 22 Number of ARIN addresses announced to Internet: 741375488 Equivalent to 44 /8s, 48 /16s and 126 /24s Percentage of available ARIN address space announced: 62.2

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: 78986 Total RIPE prefixes after maximum aggregation: 45172 RIPE Deaggregation factor: 1.75 Prefixes being announced from the RIPE address blocks: 72530 Unique aggregates announced from the RIPE address blocks: 46837 RIPE Region origin ASes present in the Internet Routing Table: 15086 RIPE Prefixes per ASN: 4.81 RIPE Region origin ASes announcing only one prefix: 7755 RIPE Region transit ASes present in the Internet Routing Table: 2312 Average RIPE Region AS path length visible: 3.4 Max RIPE Region AS path length visible: 25 Number of RIPE addresses announced to Internet: 448593664 Equivalent to 26 /8s, 188 /16s and 255 /24s Percentage of available RIPE address space announced: 74.3

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, 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: 30316 Total LACNIC prefixes after maximum aggregation: 7042 LACNIC Deaggregation factor: 4.31 Prefixes being announced from the LACNIC address blocks: 29199 Unique aggregates announced from the LACNIC address blocks: 15373 LACNIC Region origin ASes present in the Internet Routing Table: 1397 LACNIC Prefixes per ASN: 20.90 LACNIC Region origin ASes announcing only one prefix: 450 LACNIC Region transit ASes present in the Internet Routing Table: 238 Average LACNIC Region AS path length visible: 4.0 Max LACNIC Region AS path length visible: 18 Number of LACNIC addresses announced to Internet: 78280448 Equivalent to 4 /8s, 170 /16s and 119 /24s Percentage of available LACNIC address space announced: 58.3

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: 7668 Total AfriNIC prefixes after maximum aggregation: 1909 AfriNIC Deaggregation factor: 4.02 Prefixes being announced from the AfriNIC address blocks: 5919 Unique aggregates announced from the AfriNIC address blocks: 1776 AfriNIC Region origin ASes present in the Internet Routing Table: 420 AfriNIC Prefixes per ASN: 14.09 AfriNIC Region origin ASes announcing only one prefix: 132 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: 21749760 Equivalent to 1 /8s, 75 /16s and 224 /24s Percentage of available AfriNIC address space announced: 43.2

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 1723 9451 511 Korea Telecom (KIX) 7545 1450 298 78 TPG Internet Pty Ltd 4755 1386 638 156 TATA Communications formerly 17488 1371 157 121 Hathway IP Over Cable Interne 17974 1262 459 27 PT TELEKOMUNIKASI INDONESIA 9583 1036 75 487 Sify Limited 24560 1031 309 166 Bharti Airtel Ltd., Telemedia 18101 905 116 136 Reliance Infocom Ltd Internet 4808 889 1621 248 CNCGROUP IP network: China169 9829 835 696 31 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 3738 3887 271 bellsouth.net, inc. 4323 2643 1093 400 Time Warner Telecom 19262 1832 4845 280 Verizon Global Networks 1785 1795 697 132 PaeTec Communications, Inc. 20115 1508 1530 636 Charter Communications 6478 1416 285 94 AT&T Worldnet Services 7018 1390 5689 900 AT&T WorldNet Services 2386 1306 571 924 AT&T Data Communications Serv 11492 1269 234 69 Cable One 22773 1254 2863 71 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 539 328 32 Goldenlines main autonomous s 6830 457 1757 272 UPC Distribution Services 3292 443 2010 385 TDC Tele Danmark 8866 430 133 23 Bulgarian Telecommunication C 34984 419 92 191 BILISIM TELEKOM 9198 413 202 13 Kazakhtelecom Data Network Ad 702 404 1867 318 UUNET - Commercial IP service 8551 404 355 38 Bezeq International 12479 390 577 6 Uni2 Autonomous System 3301 381 1696 336 TeliaNet Sweden

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 1344 250 156 TVCABLE BOGOTA 8151 1216 2609 362 UniNet S.A. de C.V. 28573 1171 933 73 NET Servicos de Comunicao S.A 6503 1159 355 80 AVANTEL, S.A. 7303 806 440 94 Telecom Argentina Stet-France 14420 579 49 87 ANDINATEL S.A. 22047 563 310 15 VTR PUNTO NET S.A. 3816 493 214 98 Empresa Nacional de Telecomun 7738 478 922 30 Telecomunicacoes da Bahia S.A 14117 452 32 30 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 1113 445 10 TEDATA 24863 741 147 37 LINKdotNET AS number 36992 658 278 159 Etisalat MISR 3741 264 987 226 The Internet Solution 6713 203 199 12 Itissalat Al-MAGHRIB 24835 198 78 10 RAYA Telecom - Egypt 29571 197 19 11 Ci Telecom Autonomous system 2018 196 277 64 Tertiary Education Network 33776 184 12 18 Starcomms Nigeria Limited 16637 163 440 90 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 3738 3887 271 bellsouth.net, inc. 4323 2643 1093 400 Time Warner Telecom 19262 1832 4845 280 Verizon Global Networks 1785 1795 697 132 PaeTec Communications, Inc. 4766 1723 9451 511 Korea Telecom (KIX) 20115 1508 1530 636 Charter Communications 7545 1450 298 78 TPG Internet Pty Ltd 6478 1416 285 94 AT&T Worldnet Services 23456 1394 351 780 32-bit ASN transition 7018 1390 5689 900 AT&T WorldNet Services

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 2643 2243 Time Warner Telecom 1785 1795 1663 PaeTec Communications, Inc. 19262 1832 1552 Verizon Global Networks 7545 1450 1372 TPG Internet Pty Ltd 6478 1416 1322 AT&T Worldnet Services 17488 1371 1250 Hathway IP Over Cable Interne 17974 1262 1235 PT TELEKOMUNIKASI INDONESIA 4755 1386 1230 TATA Communications formerly 4766 1723 1212 Korea Telecom (KIX) 11492 1269 1200 Cable One

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

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

Bad AS Designation Network Transit AS Description 46164 UNALLOCATED 4.23.88.0/24 7018 AT&T WorldNet Servic 46164 UNALLOCATED 4.23.89.0/24 7018 AT&T WorldNet Servic 46164 UNALLOCATED 4.23.92.0/23 7018 AT&T WorldNet Servic 46164 UNALLOCATED 4.23.94.0/23 7018 AT&T WorldNet Servic 46164 UNALLOCATED 4.38.0.0/21 7018 AT&T WorldNet Servic 46164 UNALLOCATED 4.38.8.0/21 7018 AT&T WorldNet Servic 46164 UNALLOCATED 4.43.50.0/24 7018 AT&T WorldNet Servic 46164 UNALLOCATED 4.43.51.0/24 7018 AT&T WorldNet Servic 46164 UNALLOCATED 4.67.96.0/21 7018 AT&T WorldNet Servic 46164 UNALLOCATED 4.67.104.0/21 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 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 41.222.79.0/24 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

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 /10:25 /11:70 /12:211 /13:427 /14:749 /15:1336 /16:11313 /17:5465 /18:9120 /19:18641 /20:23887 /21:24006 /22:31551 /23:30362 /24:175002 /25:11 /26:19 /27:26 /28:153 /29:93 /30:36 /31:0 /32:100

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

ASN No of nets Total ann. Description 6389 2307 3738 bellsouth.net, inc. 4323 1429 2643 Time Warner Telecom 6478 1374 1416 AT&T Worldnet Services 10620 1236 1344 TVCABLE BOGOTA 11492 1226 1269 Cable One 7011 1069 1171 Citizens Utilities 1785 1066 1795 PaeTec Communications, Inc. 18566 1041 1060 Covad Communications 8452 976 1113 TEDATA 19262 955 1832 Verizon Global Networks

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

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

1:122 2:25 4:13 5:1 8:316 12:2022 13:7 14:61 15:17 16:3 17:8 20:10 24:1421 27:464 32:57 33:7 34:2 36:1 37:1 38:712 40:101 41:2631 42:1 44:3 46:305 47:10 49:34 50:16 52:12 55:6 56:2 57:28 58:758 59:498 60:480 61:1010 62:1020 63:1941 64:3685 65:2319 66:4078 67:1758 68:999 69:2824 70:716 71:389 72:1926 74:2279 75:286 76:322 77:847 78:691 79:434 80:1054 81:799 82:512 83:448 84:631 85:1029 86:491 87:715 88:395 89:1586 90:128 91:3282 92:456 93:1017 94:1098 95:660 96:400 97:244 98:694 99:33 101:3 107:2 108:69 109:775 110:452 111:644 112:299 113:315 114:460 115:643 116:1126 117:655 118:573 119:1003 120:180 121:693 122:1553 123:997 124:1214 125:1245 128:176 129:146 130:165 131:559 132:227 133:20 134:199 135:47 136:210 137:142 138:288 139:107 140:457 141:196 142:333 143:516 144:476 145:54 146:420 147:175 148:616 149:325 150:148 151:231 152:291 153:172 154:2 155:365 156:164 157:311 158:126 159:365 160:311 161:186 162:275 163:155 164:434 165:331 166:466 167:420 168:690 169:148 170:718 171:67 172:2 173:1125 174:434 175:256 176:1 178:650 180:702 182:501 183:241 184:186 186:885 187:749 188:870 189:1012 190:4212 192:5723 193:4784 194:3458 195:2876 196:1223 197:1 198:3469 199:3628 200:5456 201:1572 202:8013 203:8249 204:3971 205:2318 206:2425 207:2900 208:3856 209:3430 210:2490 211:1302 212:1878 213:1721 214:702 215:62 216:4732 217:1602 218:494 219:396 220:1183 221:392 222:313 223:75

End of report