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[bgp-stats] Routing Table Report - London view
Routing Table Report 08:00 +10GMT Wed 08 Sep, 2010
Report Website: http://thyme.apnic.net Detailed Analysis: http://thyme.apnic.net/london/
Analysis Summary ----------------
BGP routing table entries examined: 325982 Prefixes after maximum aggregation: 150069 Deaggregation factor: 2.17 Unique aggregates announced to Internet: 162059 Total ASes present in the Internet Routing Table: 34599 Prefixes per ASN: 9.42 Origin-only ASes present in the Internet Routing Table: 29970 Origin ASes announcing only one prefix: 14631 Transit ASes present in the Internet Routing Table: 4629 Transit-only ASes present in the Internet Routing Table: 106 Average AS path length visible in the Internet Routing Table: 3.6 Max AS path length visible: 24 Max AS path prepend of ASN (41664) 21 Prefixes from unregistered ASNs in the Routing Table: 2388 Unregistered ASNs in the Routing Table: 1115 Number of 32-bit ASNs allocated by the RIRs: 760 Prefixes from 32-bit ASNs in the Routing Table: 989 Special use prefixes present in the Routing Table: 6 Prefixes being announced from unallocated address space: 186 Number of addresses announced to Internet: 2515251200 Equivalent to 149 /8s, 235 /16s and 176 /24s Percentage of available address space announced: 67.9 Percentage of allocated address space announced: 72.5 Percentage of available address space allocated: 93.7 Percentage of address space in use by end-sites: 84.7 Total number of prefixes smaller than registry allocations: 152427
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 76999 Total APNIC prefixes after maximum aggregation: 26528 APNIC Deaggregation factor: 2.90 Prefixes being announced from the APNIC address blocks: 74750 Unique aggregates announced from the APNIC address blocks: 33999 APNIC Region origin ASes present in the Internet Routing Table: 4126 APNIC Prefixes per ASN: 18.12 APNIC Region origin ASes announcing only one prefix: 1181 APNIC Region transit ASes present in the Internet Routing Table: 625 Average APNIC Region AS path length visible: 4.1 Max APNIC Region AS path length visible: 18 Number of APNIC addresses announced to Internet: 542982400 Equivalent to 32 /8s, 93 /16s and 65 /24s Percentage of available APNIC address space announced: 77.1
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, 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: 134314 Total ARIN prefixes after maximum aggregation: 69428 ARIN Deaggregation factor: 1.93 Prefixes being announced from the ARIN address blocks: 107461 Unique aggregates announced from the ARIN address blocks: 42723 ARIN Region origin ASes present in the Internet Routing Table: 13822 ARIN Prefixes per ASN: 7.77 ARIN Region origin ASes announcing only one prefix: 5318 ARIN Region transit ASes present in the Internet Routing Table: 1371 Average ARIN Region AS path length visible: 3.3 Max ARIN Region AS path length visible: 22 Number of ARIN addresses announced to Internet: 733160192 Equivalent to 43 /8s, 179 /16s and 35 /24s Percentage of available ARIN address space announced: 62.4
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: 75983 Total RIPE prefixes after maximum aggregation: 43975 RIPE Deaggregation factor: 1.73 Prefixes being announced from the RIPE address blocks: 69457 Unique aggregates announced from the RIPE address blocks: 45223 RIPE Region origin ASes present in the Internet Routing Table: 14755 RIPE Prefixes per ASN: 4.71 RIPE Region origin ASes announcing only one prefix: 7591 RIPE Region transit ASes present in the Internet Routing Table: 2252 Average RIPE Region AS path length visible: 3.3 Max RIPE Region AS path length visible: 24 Number of RIPE addresses announced to Internet: 436953344 Equivalent to 26 /8s, 11 /16s and 97 /24s Percentage of available RIPE address space announced: 76.6
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: 29672 Total LACNIC prefixes after maximum aggregation: 6978 LACNIC Deaggregation factor: 4.25 Prefixes being announced from the LACNIC address blocks: 28335 Unique aggregates announced from the LACNIC address blocks: 15340 LACNIC Region origin ASes present in the Internet Routing Table: 1328 LACNIC Prefixes per ASN: 21.34 LACNIC Region origin ASes announcing only one prefix: 418 LACNIC Region transit ASes present in the Internet Routing Table: 229 Average LACNIC Region AS path length visible: 4.0 Max LACNIC Region AS path length visible: 19 Number of LACNIC addresses announced to Internet: 76965376 Equivalent to 4 /8s, 150 /16s and 102 /24s Percentage of available LACNIC address space announced: 57.3
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: 7371 Total AfriNIC prefixes after maximum aggregation: 1858 AfriNIC Deaggregation factor: 3.97 Prefixes being announced from the AfriNIC address blocks: 5689 Unique aggregates announced from the AfriNIC address blocks: 1640 AfriNIC Region origin ASes present in the Internet Routing Table: 395 AfriNIC Prefixes per ASN: 14.40 AfriNIC Region origin ASes announcing only one prefix: 123 AfriNIC Region transit ASes present in the Internet Routing Table: 87 Average AfriNIC Region AS path length visible: 3.3 Max AfriNIC Region AS path length visible: 14 Number of AfriNIC addresses announced to Internet: 20209408 Equivalent to 1 /8s, 52 /16s and 95 /24s Percentage of available AfriNIC address space announced: 60.2
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 1707 8412 496 Korea Telecom (KIX) 7545 1373 233 82 TPG Internet Pty Ltd 17488 1344 155 127 Hathway IP Over Cable Interne 4755 1342 303 158 TATA Communications formerly 17974 1227 298 68 PT TELEKOMUNIKASI INDONESIA 24560 1043 307 178 Bharti Airtel Ltd., Telemedia 9583 1017 76 490 Sify Limited 18101 844 95 126 Reliance Infocom Ltd Internet 4808 827 1597 232 CNCGROUP IP network: China169 9829 819 690 35 BSNL National Internet Backbo
Complete listing at http://thyme.apnic.net/london/data-ASnet-APNIC
ARIN Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 6389 3825 3667 273 bellsouth.net, inc. 4323 2703 1107 393 Time Warner Telecom 19262 1814 4644 284 Verizon Global Networks 1785 1790 698 131 PaeTec Communications, Inc. 20115 1493 1530 653 Charter Communications 7018 1482 5735 956 AT&T WorldNet Services 6478 1334 274 133 AT&T Worldnet Services 2386 1284 538 909 AT&T Data Communications Serv 11492 1191 226 89 Cable One 22773 1185 2859 62 Cox Communications, Inc.
Complete listing at http://thyme.apnic.net/london/data-ASnet-ARIN
RIPE Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 8551 546 355 38 Bezeq International 9116 532 328 33 Goldenlines main autonomous s 3292 450 2026 391 TDC Tele Danmark 30890 444 100 212 Evolva Telecom 702 411 1869 324 UUNET - Commercial IP service 8866 403 117 18 Bulgarian Telecommunication C 3301 375 1416 330 TeliaNet Sweden 3320 372 7328 322 Deutsche Telekom AG 34984 372 90 184 BILISIM TELEKOM 12479 354 576 5 Uni2 Autonomous System
Complete listing at http://thyme.apnic.net/london/data-ASnet-RIPE
LACNIC Region per AS prefix count summary -----------------------------------------
ASN No of nets /20 equiv MaxAgg Description 8151 1443 3047 238 UniNet S.A. de C.V. 10620 1205 247 148 TVCABLE BOGOTA 28573 1103 863 111 NET Servicos de Comunicao S.A 6503 852 188 270 AVANTEL, S.A. 7303 768 408 90 Telecom Argentina Stet-France 14420 569 36 76 ANDINATEL S.A. 22047 557 310 15 VTR PUNTO NET S.A. 3816 479 209 94 Empresa Nacional de Telecomun 7738 477 922 30 Telecomunicacoes da Bahia S.A 11172 442 99 76 Servicios Alestra S.A de C.V
Complete listing at http://thyme.apnic.net/london/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary ------------------------------------------
ASN No of nets /20 equiv MaxAgg Description 8452 1152 445 10 TEDATA 24863 721 147 36 LINKdotNET AS number 36992 662 279 177 Etisalat MISR 3741 266 906 224 The Internet Solution 6713 203 199 12 Itissalat Al-MAGHRIB 33776 199 12 12 Starcomms Nigeria Limited 2018 197 277 64 Tertiary Education Network 29571 193 19 11 Ci Telecom Autonomous system 24835 190 78 9 RAYA Telecom - Egypt 16637 154 441 97 MTN Network Solutions
Complete listing at http://thyme.apnic.net/london/data-ASnet-AFRINIC
Global Per AS prefix count summary ----------------------------------
ASN No of nets /20 equiv MaxAgg Description 6389 3825 3667 273 bellsouth.net, inc. 4323 2703 1107 393 Time Warner Telecom 19262 1814 4644 284 Verizon Global Networks 1785 1790 698 131 PaeTec Communications, Inc. 4766 1707 8412 496 Korea Telecom (KIX) 20115 1493 1530 653 Charter Communications 7018 1482 5735 956 AT&T WorldNet Services 8151 1443 3047 238 UniNet S.A. de C.V. 7545 1373 233 82 TPG Internet Pty Ltd 17488 1344 155 127 Hathway IP Over Cable Interne
Complete listing at http://thyme.apnic.net/london/data-ASnet
Global Per AS Maximum Aggr summary ----------------------------------
ASN No of nets Net Savings Description 4323 2703 2310 Time Warner Telecom 1785 1790 1659 PaeTec Communications, Inc. 19262 1814 1530 Verizon Global Networks 7545 1373 1291 TPG Internet Pty Ltd 17488 1344 1217 Hathway IP Over Cable Interne 4766 1707 1211 Korea Telecom (KIX) 8151 1443 1205 UniNet S.A. de C.V. 6478 1334 1201 AT&T Worldnet Services 4755 1342 1184 TATA Communications formerly 17974 1227 1159 PT TELEKOMUNIKASI INDONESIA
Complete listing at http://thyme.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 * 11946 UNALLOCATED 8.12.155.0/24 40913 Quality Technology S 33084 UNALLOCATED 8.15.195.0/24 3356 Level 3 Communicatio 53562 UNALLOCATED 8.19.94.0/24 3356 Level 3 Communicatio 53407 UNALLOCATED 8.22.15.0/24 174 Cogent Communication 22015 UNALLOCATED 8.22.137.0/24 14989 Broadview Networks 26169 UNALLOCATED 8.225.177.0/24 20225 TelJet 32249 UNALLOCATED 8.225.178.0/24 3356 Level 3 Communicatio 65333 PRIVATE 10.0.0.0/8 0 * 16927 UNALLOCATED 12.0.252.0/23 7018 AT&T WorldNet Servic
Complete listing at http://thyme.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.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<< 41.223.189.0/24 6453 Teleglobe Inc. 41.223.196.0/24 36990 Alkan Telecom Ltd 41.223.197.0/24 36990 Alkan Telecom Ltd 41.223.198.0/24 36990 Alkan Telecom Ltd 41.223.199.0/24 36990 Alkan Telecom Ltd
Complete listing at http://thyme.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 /8:34 /9:10 /10:25 /11:67 /12:199 /13:413 /14:725 /15:1315 /16:11239 /17:5406 /18:9255 /19:18781 /20:23488 /21:23452 /22:30534 /23:29829 /24:170804 /25:10 /26:17 /27:27 /28:144 /29:84 /30:30 /31:0 /32:94
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 6389 2445 3825 bellsouth.net, inc. 4323 1366 2703 Time Warner Telecom 4766 1331 1707 Korea Telecom (KIX) 1785 1253 1790 PaeTec Communications, Inc. 11492 1095 1191 Cable One 10620 1093 1205 TVCABLE BOGOTA 17488 1085 1344 Hathway IP Over Cable Interne 8452 1043 1152 TEDATA 18566 1039 1058 Covad Communications 24560 941 1043 Bharti Airtel Ltd., Telemedia
Complete listing at http://thyme.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global) ----------------------------------------------
1:63 2:8 4:13 8:304 12:2014 13:8 14:1 15:21 16:3 17:9 20:7 24:1437 27:328 31:1 32:59 33:22 38:690 40:97 41:2526 44:3 46:60 47:16 52:12 55:6 56:2 57:26 58:717 59:501 60:472 61:996 62:1110 63:1965 64:3705 65:2306 66:3972 67:1859 68:1134 69:2780 70:743 71:370 72:1935 73:2 74:2314 75:279 76:331 77:913 78:632 79:431 80:1000 81:816 82:505 83:439 84:679 85:1040 86:492 87:699 88:319 89:1552 90:96 91:3010 92:423 93:986 94:1169 95:682 96:505 97:218 98:622 99:34 108:64 109:664 110:492 111:567 112:274 113:311 114:450 115:576 116:1090 117:650 118:507 119:877 120:139 121:686 122:1538 123:932 124:1198 125:1242 128:175 129:152 130:165 131:535 132:244 133:17 134:188 135:46 136:220 137:134 138:271 139:104 140:454 141:197 142:328 143:347 144:466 145:53 146:424 147:167 148:644 149:304 150:145 151:233 152:284 153:170 154:2 155:360 156:164 157:304 158:111 159:356 160:312 161:177 162:269 163:157 164:416 165:366 166:468 167:424 168:655 169:155 170:720 171:61 172:2 173:1039 174:476 175:163 176:1 177:1 178:457 180:630 181:1 182:192 183:235 184:155 186:597 187:521 188:807 189:790 190:3970 192:5714 193:4741 194:3429 195:2793 196:1177 198:3507 199:3529 200:5412 201:1595 202:7927 203:8179 204:3943 205:2367 206:2441 207:2991 208:3874 209:3435 210:2502 211:1290 212:1798 213:1662 214:660 215:67 216:4753 217:1591 218:459 219:392 220:1138 221:369 222:309 223:33
End of report
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