Routing Table Report 08:00 +10GMT Thu 17 Feb, 2011 Report Website: http://thyme.rand.apnic.net Detailed Analysis: http://thyme.rand.apnic.net/london/ Analysis Summary ---------------- BGP routing table entries examined: 341598 Prefixes after maximum aggregation: 155481 Deaggregation factor: 2.20 Unique aggregates announced to Internet: 171185 Total ASes present in the Internet Routing Table: 35715 Prefixes per ASN: 9.56 Origin-only ASes present in the Internet Routing Table: 30907 Origin ASes announcing only one prefix: 14972 Transit ASes present in the Internet Routing Table: 4808 Transit-only ASes present in the Internet Routing Table: 104 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: 1338 Unregistered ASNs in the Routing Table: 261 Number of 32-bit ASNs allocated by the RIRs: 1122 Prefixes from 32-bit ASNs in the Routing Table: 1698 Special use prefixes present in the Routing Table: 6 Prefixes being announced from unallocated address space: 192 Number of addresses announced to Internet: 2412239616 Equivalent to 143 /8s, 199 /16s and 219 /24s Percentage of available address space announced: 65.1 Percentage of allocated address space announced: 65.1 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 88.0 Total number of prefixes smaller than registry allocations: 139827 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 82048 Total APNIC prefixes after maximum aggregation: 27930 APNIC Deaggregation factor: 2.94 Prefixes being announced from the APNIC address blocks: 79648 Unique aggregates announced from the APNIC address blocks: 35735 APNIC Region origin ASes present in the Internet Routing Table: 4272 APNIC Prefixes per ASN: 18.64 APNIC Region origin ASes announcing only one prefix: 1219 APNIC Region transit ASes present in the Internet Routing Table: 659 Average APNIC Region AS path length visible: 4.2 Max APNIC Region AS path length visible: 26 Number of APNIC addresses announced to Internet: 589056512 Equivalent to 35 /8s, 28 /16s and 74 /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: 136557 Total ARIN prefixes after maximum aggregation: 69870 ARIN Deaggregation factor: 1.95 Prefixes being announced from the ARIN address blocks: 109409 Unique aggregates announced from the ARIN address blocks: 44912 ARIN Region origin ASes present in the Internet Routing Table: 14126 ARIN Prefixes per ASN: 7.75 ARIN Region origin ASes announcing only one prefix: 5396 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: 786678016 Equivalent to 46 /8s, 227 /16s and 193 /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: 82255 Total RIPE prefixes after maximum aggregation: 46572 RIPE Deaggregation factor: 1.77 Prefixes being announced from the RIPE address blocks: 75583 Unique aggregates announced from the RIPE address blocks: 49020 RIPE Region origin ASes present in the Internet Routing Table: 15306 RIPE Prefixes per ASN: 4.94 RIPE Region origin ASes announcing only one prefix: 7782 RIPE Region transit ASes present in the Internet Routing Table: 2362 Average RIPE Region AS path length visible: 3.5 Max RIPE Region AS path length visible: 25 Number of RIPE addresses announced to Internet: 459988736 Equivalent to 27 /8s, 106 /16s and 223 /24s Percentage of available RIPE address space announced: 74.1 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: 30948 Total LACNIC prefixes after maximum aggregation: 7263 LACNIC Deaggregation factor: 4.26 Prefixes being announced from the LACNIC address blocks: 29885 Unique aggregates announced from the LACNIC address blocks: 15949 LACNIC Region origin ASes present in the Internet Routing Table: 1419 LACNIC Prefixes per ASN: 21.06 LACNIC Region origin ASes announcing only one prefix: 443 LACNIC Region transit ASes present in the Internet Routing Table: 251 Average LACNIC Region AS path length visible: 4.0 Max LACNIC Region AS path length visible: 18 Number of LACNIC addresses announced to Internet: 80724736 Equivalent to 4 /8s, 207 /16s and 195 /24s Percentage of available LACNIC address space announced: 53.5 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: 7445 Total AfriNIC prefixes after maximum aggregation: 1812 AfriNIC Deaggregation factor: 4.11 Prefixes being announced from the AfriNIC address blocks: 5874 Unique aggregates announced from the AfriNIC address blocks: 1830 AfriNIC Region origin ASes present in the Internet Routing Table: 428 AfriNIC Prefixes per ASN: 13.72 AfriNIC Region origin ASes announcing only one prefix: 132 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: 18 Number of AfriNIC addresses announced to Internet: 21791488 Equivalent to 1 /8s, 76 /16s and 131 /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 1802 9487 543 Korea Telecom (KIX) 7545 1626 301 84 TPG Internet Pty Ltd 4755 1414 637 164 TATA Communications formerly 17974 1406 459 29 PT Telekomunikasi Indonesia 24560 1112 323 182 Bharti Airtel Ltd., Telemedia 9583 1042 76 486 Sify Limited 17488 952 162 105 Hathway IP Over Cable Interne 4808 939 2034 271 CNCGROUP IP network China169 18101 929 117 141 Reliance Infocom Ltd Internet 9829 894 762 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 3695 3855 262 BellSouth.net Inc. 4323 2624 1125 406 tw telecom holdings, inc. 19262 1843 4955 283 Verizon Online LLC 1785 1787 697 131 PaeTec Communications, Inc. 20115 1527 1534 646 Charter Communications 6478 1510 295 79 AT&T Services, Inc. 7018 1373 6708 889 AT&T Services, Inc. 2386 1299 554 936 AT&T Data Communications Serv 18566 1290 311 113 Covad Communications Co. 11492 1277 236 76 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 9116 542 328 31 Goldenlines main autonomous s 6830 511 1764 317 UPC Broadband 9198 466 267 15 Kazakhtelecom Data Network Ad 34984 464 98 143 BILISIM TELEKOM 3292 446 1996 388 TDC Data Networks 8866 440 133 23 Bulgarian Telecommunication C 20940 412 97 318 Akamai Technologies European 3320 409 7620 356 Deutsche Telekom AG 8551 405 355 38 Bezeq International 702 401 1803 314 >>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 1373 255 166 Types of queries are: POCs, o 28573 1215 961 82 Types of queries are: POCs, o 8151 1211 2661 355 Uninet S.A. de C.V. 6503 1176 354 74 Axtel, S.A.B. de C.V. 7303 876 463 130 Telecom Argentina S.A. 14420 638 57 92 CORPORACION NACIONAL DE TELEC 22047 543 310 15 Types of queries are: POCs, o 3816 508 221 95 Types of queries are: POCs, o 7738 478 922 30 Telecomunicacoes da Bahia S.A 14117 475 37 43 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 807 445 11 TEDATA 24863 760 147 37 LINKdotNET AS number 36992 605 305 17 Etisalat MISR 3741 264 987 226 The Internet Solution 24835 219 78 10 RAYA Telecom - Egypt 6713 205 199 12 Itissalat Al-MAGHRIB 33776 194 12 15 Starcomms Nigeria Limited 29571 192 17 11 Ci Telecom Autonomous system 15475 189 56 9 Nile Online 16637 150 422 86 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 3695 3855 262 BellSouth.net Inc. 4323 2624 1125 406 tw telecom holdings, inc. 19262 1843 4955 283 Verizon Online LLC 4766 1802 9487 543 Korea Telecom (KIX) 1785 1787 697 131 PaeTec Communications, Inc. 23456 1698 428 962 32-bit ASN transition 7545 1626 301 84 TPG Internet Pty Ltd 20115 1527 1534 646 Charter Communications 6478 1510 295 79 AT&T Services, Inc. 4755 1414 637 164 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 2218 tw telecom holdings, inc. 1785 1787 1656 PaeTec Communications, Inc. 19262 1843 1560 Verizon Online LLC 7545 1626 1542 TPG Internet Pty Ltd 6478 1510 1431 AT&T Services, Inc. 17974 1406 1377 PT Telekomunikasi Indonesia 4766 1802 1259 Korea Telecom (KIX) 4755 1414 1250 TATA Communications formerly 10620 1373 1207 Types of queries are: POCs, o 11492 1277 1201 CABLE ONE, INC. 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 /13:444 /14:763 /15:1364 /16:11471 /17:5628 /18:9283 /19:18930 /20:24385 /21:24760 /22:32832 /23:31514 /24:179455 /25:10 /26:16 /27:23 /28:148 /29:87 /30:41 /31:0 /32:98 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 6389 2281 3695 BellSouth.net Inc. 6478 1464 1510 AT&T Services, Inc. 4323 1412 2624 tw telecom holdings, inc. 18566 1268 1290 Covad Communications Co. 10620 1264 1373 Types of queries are: POCs, o 11492 1234 1277 CABLE ONE, INC. 7011 1060 1163 Frontier Communications of Am 1785 1054 1787 PaeTec Communications, Inc. 23456 988 1698 32-bit ASN transition 6503 958 1176 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) ---------------------------------------------- 1:185 2:45 4:13 5:1 8:334 12:2029 13:1 14:393 15:15 16:3 17:8 20:9 23:1 24:1482 27:583 32:56 33:4 34:2 37:1 38:699 40:101 41:2323 44:3 46:605 47:4 49:147 50:93 52:12 55:3 56:2 57:29 58:761 59:473 60:389 61:1018 62:1052 63:1935 64:3767 65:2356 66:4157 67:1789 68:1027 69:2912 70:736 71:402 72:2010 73:1 74:2313 75:292 76:346 77:873 78:704 79:450 80:1055 81:819 82:523 83:475 84:634 85:1058 86:552 87:763 88:355 89:1577 90:146 91:3483 92:494 93:1041 94:1203 95:765 96:449 97:252 98:784 99:33 101:27 107:3 108:88 109:923 110:479 111:689 112:304 113:363 114:477 115:649 116:912 117:675 118:663 119:991 120:239 121:680 122:1627 123:1051 124:1260 125:1239 128:213 129:150 130:166 131:564 132:102 133:20 134:210 135:49 136:212 137:143 138:292 139:116 140:469 141:203 142:342 143:381 144:484 145:51 146:425 147:208 148:620 149:274 150:155 151:230 152:303 153:180 154:2 155:350 156:170 157:313 158:128 159:373 160:313 161:197 162:273 163:151 164:486 165:336 166:502 167:421 168:736 169:151 170:749 171:69 172:2 173:1324 174:527 175:305 176:1 177:9 178:781 180:801 182:348 183:247 184:211 186:898 187:820 188:887 189:1051 190:4281 192:5755 193:4794 194:3491 195:2941 196:1163 197:3 198:3494 199:3804 200:5518 201:1557 202:8053 203:8344 204:4019 205:2317 206:2540 207:3006 208:3894 209:3461 210:2577 211:1327 212:1919 213:1706 214:757 215:62 216:4869 217:1621 218:526 219:375 220:1194 221:434 222:314 223:96 End of report