Routing Table Report 08:00 +10GMT Sun 13 Feb, 2011 Report Website: http://thyme.rand.apnic.net Detailed Analysis: http://thyme.rand.apnic.net/london/ Analysis Summary ---------------- BGP routing table entries examined: 341167 Prefixes after maximum aggregation: 155076 Deaggregation factor: 2.20 Unique aggregates announced to Internet: 170899 Total ASes present in the Internet Routing Table: 35690 Prefixes per ASN: 9.56 Origin-only ASes present in the Internet Routing Table: 30886 Origin ASes announcing only one prefix: 14957 Transit ASes present in the Internet Routing Table: 4804 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: 26 Max AS path prepend of ASN (22394) 20 Prefixes from unregistered ASNs in the Routing Table: 1328 Unregistered ASNs in the Routing Table: 258 Number of 32-bit ASNs allocated by the RIRs: 1115 Prefixes from 32-bit ASNs in the Routing Table: 1672 Special use prefixes present in the Routing Table: 6 Prefixes being announced from unallocated address space: 200 Number of addresses announced to Internet: 2410639616 Equivalent to 143 /8s, 175 /16s and 113 /24s Percentage of available address space announced: 65.0 Percentage of allocated address space announced: 65.0 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 87.9 Total number of prefixes smaller than registry allocations: 139726 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 81813 Total APNIC prefixes after maximum aggregation: 27839 APNIC Deaggregation factor: 2.94 Prefixes being announced from the APNIC address blocks: 79441 Unique aggregates announced from the APNIC address blocks: 35676 APNIC Region origin ASes present in the Internet Routing Table: 4259 APNIC Prefixes per ASN: 18.65 APNIC Region origin ASes announcing only one prefix: 1211 APNIC Region transit ASes present in the Internet Routing Table: 660 Average APNIC Region AS path length visible: 4.2 Max APNIC Region AS path length visible: 26 Number of APNIC addresses announced to Internet: 588750592 Equivalent to 35 /8s, 23 /16s and 159 /24s Percentage of available APNIC address space announced: 74.7 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, 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: 136278 Total ARIN prefixes after maximum aggregation: 69767 ARIN Deaggregation factor: 1.95 Prefixes being announced from the ARIN address blocks: 109184 Unique aggregates announced from the ARIN address blocks: 44904 ARIN Region origin ASes present in the Internet Routing Table: 14122 ARIN Prefixes per ASN: 7.73 ARIN Region origin ASes announcing only one prefix: 5396 ARIN Region transit ASes present in the Internet Routing Table: 1386 Average ARIN Region AS path length visible: 3.3 Max ARIN Region AS path length visible: 23 Number of ARIN addresses announced to Internet: 786582016 Equivalent to 46 /8s, 226 /16s and 74 /24s Percentage of available ARIN address space announced: 62.5 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: 82288 Total RIPE prefixes after maximum aggregation: 46432 RIPE Deaggregation factor: 1.77 Prefixes being announced from the RIPE address blocks: 75587 Unique aggregates announced from the RIPE address blocks: 48881 RIPE Region origin ASes present in the Internet Routing Table: 15294 RIPE Prefixes per ASN: 4.94 RIPE Region origin ASes announcing only one prefix: 7776 RIPE Region transit ASes present in the Internet Routing Table: 2354 Average RIPE Region AS path length visible: 3.5 Max RIPE Region AS path length visible: 25 Number of RIPE addresses announced to Internet: 459122944 Equivalent to 27 /8s, 93 /16s and 169 /24s Percentage of available RIPE address space announced: 74.0 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: 31103 Total LACNIC prefixes after maximum aggregation: 7230 LACNIC Deaggregation factor: 4.30 Prefixes being announced from the LACNIC address blocks: 30030 Unique aggregates announced from the LACNIC address blocks: 15912 LACNIC Region origin ASes present in the Internet Routing Table: 1415 LACNIC Prefixes per ASN: 21.22 LACNIC Region origin ASes announcing only one prefix: 441 LACNIC Region transit ASes present in the Internet Routing Table: 248 Average LACNIC Region AS path length visible: 4.1 Max LACNIC Region AS path length visible: 18 Number of LACNIC addresses announced to Internet: 80614656 Equivalent to 4 /8s, 206 /16s and 21 /24s Percentage of available LACNIC address space announced: 53.4 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: 7329 Total AfriNIC prefixes after maximum aggregation: 1807 AfriNIC Deaggregation factor: 4.06 Prefixes being announced from the AfriNIC address blocks: 5758 Unique aggregates announced from the AfriNIC address blocks: 1828 AfriNIC Region origin ASes present in the Internet Routing Table: 433 AfriNIC Prefixes per ASN: 13.30 AfriNIC Region origin ASes announcing only one prefix: 133 AfriNIC Region transit ASes present in the Internet Routing Table: 94 Average AfriNIC Region AS path length visible: 3.4 Max AfriNIC Region AS path length visible: 15 Number of AfriNIC addresses announced to Internet: 21823488 Equivalent to 1 /8s, 77 /16s and 0 /24s Percentage of available AfriNIC address space announced: 32.5 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 1779 9485 523 Korea Telecom (KIX) 7545 1612 301 84 TPG Internet Pty Ltd 4755 1412 637 162 TATA Communications formerly 17974 1402 459 29 PT Telekomunikasi Indonesia 24560 1109 323 181 Bharti Airtel Ltd., Telemedia 9583 1042 76 487 Sify Limited 17488 952 162 104 Hathway IP Over Cable Interne 4808 939 2034 271 CNCGROUP IP network China169 18101 927 117 142 Reliance Infocom Ltd Internet 9829 895 762 45 National Internet Backbone 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 3701 3855 263 BellSouth.net Inc. 4323 2624 1125 404 tw telecom holdings, inc. 19262 1842 4951 283 Verizon Online LLC 1785 1788 697 131 PaeTec Communications, Inc. 20115 1528 1534 646 Charter Communications 6478 1516 298 48 AT&T Services, Inc. 7018 1373 6708 890 AT&T Services, Inc. 2386 1300 554 937 AT&T Data Communications Serv 11492 1282 236 73 CABLE ONE, INC. 18566 1279 310 103 Covad Communications Co. 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 542 328 31 Goldenlines main autonomous s 6830 509 1764 315 UPC Broadband 9198 465 266 14 Kazakhtelecom Data Network Ad 34984 456 97 137 BILISIM TELEKOM 3292 445 1996 387 TDC Data Networks 8866 440 133 23 Bulgarian Telecommunication C 8551 405 355 38 Bezeq International 20940 404 94 311 Akamai Technologies European 3320 402 7617 351 Deutsche Telekom AG 702 400 1803 313 >>UNKNOWN<< 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 1371 255 165 Types of queries are: POCs, o 28573 1219 961 82 Types of queries are: POCs, o 8151 1208 2645 355 Uninet S.A. de C.V. 6503 1178 355 79 Axtel, S.A.B. de C.V. 7303 868 447 129 Telecom Argentina S.A. 14420 639 57 93 CORPORACION NACIONAL DE TELEC 22047 543 310 15 Types of queries are: POCs, o 3816 507 220 94 Types of queries are: POCs, o 7738 478 922 30 Telecomunicacoes da Bahia S.A 14117 462 35 37 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 24863 760 147 37 LINKdotNET AS number 8452 700 445 11 TEDATA 36992 585 305 17 Etisalat MISR 3741 264 987 226 The Internet Solution 15475 220 56 9 Nile Online 24835 218 78 10 RAYA Telecom - Egypt 6713 205 199 12 Itissalat Al-MAGHRIB 33776 194 12 15 Starcomms Nigeria Limited 29571 193 19 11 Ci Telecom Autonomous system 16637 148 422 84 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 3701 3855 263 BellSouth.net Inc. 4323 2624 1125 404 tw telecom holdings, inc. 19262 1842 4951 283 Verizon Online LLC 1785 1788 697 131 PaeTec Communications, Inc. 4766 1779 9485 523 Korea Telecom (KIX) 23456 1672 424 946 32-bit ASN transition 7545 1612 301 84 TPG Internet Pty Ltd 20115 1528 1534 646 Charter Communications 6478 1516 298 48 AT&T Services, Inc. 4755 1412 637 162 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 2624 2220 tw telecom holdings, inc. 1785 1788 1657 PaeTec Communications, Inc. 19262 1842 1559 Verizon Online LLC 7545 1612 1528 TPG Internet Pty Ltd 6478 1516 1468 AT&T Services, Inc. 17974 1402 1373 PT Telekomunikasi Indonesia 4766 1779 1256 Korea Telecom (KIX) 4755 1412 1250 TATA Communications formerly 11492 1282 1209 CABLE ONE, INC. 10620 1371 1206 Types of queries are: POCs, o 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 Services, Inc. 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 13746 UNALLOCATED 12.24.56.0/24 7018 AT&T Services, Inc. 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. 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 Comcast Cable Communications, 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 39.0.0.0/8 237 Merit Network Inc. 41.57.192.0/18 22750 BCSNET 41.222.79.0/24 36938 >>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 /8:22 /9:10 /10:26 /11:72 /12:216 /13:443 /14:763 /15:1363 /16:11451 /17:5619 /18:9293 /19:18918 /20:24361 /21:24690 /22:32779 /23:31427 /24:179255 /25:11 /26:17 /27:25 /28:157 /29:95 /30:42 /31:0 /32:112 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 6389 2282 3701 BellSouth.net Inc. 6478 1470 1516 AT&T Services, Inc. 4323 1412 2624 tw telecom holdings, inc. 10620 1262 1371 Types of queries are: POCs, o 18566 1257 1279 Covad Communications Co. 11492 1239 1282 CABLE ONE, INC. 7011 1060 1163 Frontier Communications of Am 1785 1054 1788 PaeTec Communications, Inc. 23456 974 1672 32-bit ASN transition 6503 955 1178 Axtel, S.A.B. de C.V. Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:176 2:42 4:13 5:1 8:331 12:2029 13:1 14:389 15:15 16:3 17:8 20:9 23:1 24:1483 27:578 32:57 33:5 34:2 37:1 38:698 40:101 41:2228 44:3 46:633 47:5 49:145 50:90 52:12 55:7 56:2 57:29 58:748 59:475 60:389 61:1018 62:1095 63:1937 64:3755 65:2351 66:4154 67:1763 68:1025 69:2896 70:737 71:400 72:1983 73:1 74:2320 75:292 76:346 77:864 78:704 79:445 80:1046 81:820 82:543 83:468 84:652 85:1052 86:553 87:754 88:355 89:1578 90:156 91:3465 92:495 93:1044 94:1201 95:751 96:423 97:251 98:791 99:33 101:27 107:3 108:88 109:954 110:472 111:687 112:303 113:360 114:479 115:634 116:918 117:672 118:654 119:1008 120:237 121:679 122:1621 123:1061 124:1252 125:1221 128:212 129:147 130:166 131:565 132:100 133:20 134:210 135:49 136:213 137:144 138:291 139:116 140:469 141:196 142:341 143:379 144:475 145:51 146:425 147:198 148:614 149:273 150:154 151:230 152:303 153:179 154:2 155:349 156:173 157:311 158:129 159:373 160:313 161:195 162:271 163:149 164:486 165:331 166:499 167:422 168:736 169:148 170:744 171:69 172:2 173:1297 174:519 175:314 176:1 177:4 178:759 180:781 182:337 183:251 184:211 186:993 187:817 188:916 189:1045 190:4350 192:5748 193:4790 194:3490 195:2944 196:1168 197:3 198:3493 199:3794 200:5519 201:1573 202:8031 203:8336 204:4031 205:2312 206:2523 207:3005 208:3896 209:3467 210:2591 211:1329 212:1893 213:1728 214:759 215:62 216:4858 217:1610 218:519 219:374 220:1195 221:433 222:315 223:93 End of report