Routing Table Report 08:00 +10GMT Mon 17 Oct, 2011 Report Website: http://thyme.rand.apnic.net Detailed Analysis: http://thyme.rand.apnic.net/london/ Analysis Summary ---------------- BGP routing table entries examined: 371588 Prefixes after maximum aggregation: 167368 Deaggregation factor: 2.22 Unique aggregates announced to Internet: 184985 Total ASes present in the Internet Routing Table: 37391 Prefixes per ASN: 9.94 Origin-only ASes present in the Internet Routing Table: 32289 Origin ASes announcing only one prefix: 15497 Transit ASes present in the Internet Routing Table: 5102 Transit-only ASes present in the Internet Routing Table: 122 Average AS path length visible in the Internet Routing Table: 3.6 Max AS path length visible: 27 Max AS path prepend of ASN (51310) 25 Prefixes from unregistered ASNs in the Routing Table: 2211 Unregistered ASNs in the Routing Table: 871 Number of 32-bit ASNs allocated by the RIRs: 1866 Number of 32-bit ASNs visible in the Routing Table: 0 Prefixes from 32-bit ASNs in the Routing Table: 3465 Special use prefixes present in the Routing Table: 6 Prefixes being announced from unallocated address space: 87 Number of addresses announced to Internet: 2500984064 Equivalent to 149 /8s, 17 /16s and 253 /24s Percentage of available address space announced: 67.5 Percentage of allocated address space announced: 67.5 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 91.5 Total number of prefixes smaller than registry allocations: 154825 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 89512 Total APNIC prefixes after maximum aggregation: 29600 APNIC Deaggregation factor: 3.02 Prefixes being announced from the APNIC address blocks: 86909 Unique aggregates announced from the APNIC address blocks: 37959 APNIC Region origin ASes present in the Internet Routing Table: 4536 APNIC Prefixes per ASN: 19.16 APNIC Region origin ASes announcing only one prefix: 1273 APNIC Region transit ASes present in the Internet Routing Table: 685 Average APNIC Region AS path length visible: 4.0 Max APNIC Region AS path length visible: 20 Number of APNIC region 32-bit ASNs visible in the Routing Table: 0 Number of APNIC addresses announced to Internet: 628048896 Equivalent to 37 /8s, 111 /16s and 68 /24s Percentage of available APNIC address space announced: 79.6 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: 144049 Total ARIN prefixes after maximum aggregation: 73677 ARIN Deaggregation factor: 1.96 Prefixes being announced from the ARIN address blocks: 116374 Unique aggregates announced from the ARIN address blocks: 47898 ARIN Region origin ASes present in the Internet Routing Table: 14650 ARIN Prefixes per ASN: 7.94 ARIN Region origin ASes announcing only one prefix: 5651 ARIN Region transit ASes present in the Internet Routing Table: 1486 Average ARIN Region AS path length visible: 3.3 Max ARIN Region AS path length visible: 22 Number of ARIN region 32-bit ASNs visible in the Routing Table: 0 Number of ARIN addresses announced to Internet: 804610304 Equivalent to 47 /8s, 245 /16s and 97 /24s Percentage of available ARIN address space announced: 63.9 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: 90983 Total RIPE prefixes after maximum aggregation: 50518 RIPE Deaggregation factor: 1.80 Prefixes being announced from the RIPE address blocks: 83658 Unique aggregates announced from the RIPE address blocks: 54101 RIPE Region origin ASes present in the Internet Routing Table: 16027 RIPE Prefixes per ASN: 5.22 RIPE Region origin ASes announcing only one prefix: 7972 RIPE Region transit ASes present in the Internet Routing Table: 2499 Average RIPE Region AS path length visible: 3.4 Max RIPE Region AS path length visible: 27 Number of RIPE region 32-bit ASNs visible in the Routing Table: 0 Number of RIPE addresses announced to Internet: 490787584 Equivalent to 29 /8s, 64 /16s and 211 /24s Percentage of available RIPE address space announced: 79.1 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: 34389 Total LACNIC prefixes after maximum aggregation: 7748 LACNIC Deaggregation factor: 4.44 Prefixes being announced from the LACNIC address blocks: 33965 Unique aggregates announced from the LACNIC address blocks: 17844 LACNIC Region origin ASes present in the Internet Routing Table: 1527 LACNIC Prefixes per ASN: 22.24 LACNIC Region origin ASes announcing only one prefix: 451 LACNIC Region transit ASes present in the Internet Routing Table: 264 Average LACNIC Region AS path length visible: 4.0 Max LACNIC Region AS path length visible: 19 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 0 Number of LACNIC addresses announced to Internet: 90753536 Equivalent to 5 /8s, 104 /16s and 202 /24s Percentage of available LACNIC address space announced: 60.1 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: 8504 Total AfriNIC prefixes after maximum aggregation: 2020 AfriNIC Deaggregation factor: 4.21 Prefixes being announced from the AfriNIC address blocks: 6573 Unique aggregates announced from the AfriNIC address blocks: 1971 AfriNIC Region origin ASes present in the Internet Routing Table: 483 AfriNIC Prefixes per ASN: 13.61 AfriNIC Region origin ASes announcing only one prefix: 150 AfriNIC Region transit ASes present in the Internet Routing Table: 104 Average AfriNIC Region AS path length visible: 3.3 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: 27805184 Equivalent to 1 /8s, 168 /16s and 70 /24s Percentage of available AfriNIC address space announced: 41.4 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 1934 11055 653 Korea Telecom (KIX) 17974 1772 512 38 PT Telekomunikasi Indonesia 7545 1609 303 86 TPG Internet Pty Ltd 4755 1524 379 172 TATA Communications formerly 9829 1165 989 28 National Internet Backbone 9583 1087 80 503 Sify Limited 24560 1018 342 229 Bharti Airtel Ltd., Telemedia 7552 983 1062 11 Vietel Corporation 18101 954 165 143 Reliance Infocom Ltd Internet 4808 936 1990 258 CNCGROUP IP network China169 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 3548 3815 222 BellSouth.net Inc. 7029 2151 1041 209 Windstream Communications Inc 18566 2097 382 176 Covad Communications Co. 1785 1839 680 121 PaeTec Communications, Inc. 4323 1630 1099 392 tw telecom holdings, inc. 20115 1590 1541 635 Charter Communications 22773 1460 2907 100 Cox Communications Inc. 19262 1395 4728 400 Verizon Online LLC 30036 1390 250 672 Mediacom Communications Corp 7018 1352 7113 858 AT&T Services, 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 1452 352 13 Corbina telecom 6830 652 1927 415 UPC Broadband 34984 581 108 179 BILISIM TELEKOM 20940 547 183 421 Akamai Technologies European 9116 540 326 31 Goldenlines main autonomous s 3320 502 8169 384 Deutsche Telekom AG 3292 484 2082 410 TDC Data Networks 12479 481 593 7 France Telecom Espana SA 8866 459 133 26 Bulgarian Telecommunication C 29049 424 31 55 AzerSat LLC. 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 1681 310 155 Types of queries are: POCs, o 28573 1368 1015 68 Types of queries are: POCs, o 8151 1275 2841 340 Uninet S.A. de C.V. 7303 1164 683 175 Telecom Argentina S.A. 22047 580 322 17 Types of queries are: POCs, o 27947 568 72 79 Telconet S.A 6503 560 450 70 Axtel, S.A.B. de C.V. 7738 553 1050 31 Telecomunicacoes da Bahia S.A 3816 540 233 96 Types of queries are: POCs, o 11172 521 101 96 Alestra, S. de R.L. de C.V. 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 797 146 33 LINKdotNET AS number 8452 656 446 12 TEDATA 15475 454 74 8 Nile Online 36992 300 415 21 Etisalat MISR 3741 279 938 230 The Internet Solution 15706 244 32 6 Sudatel Internet Exchange Aut 6713 242 519 14 Itissalat Al-MAGHRIB 29571 217 17 13 Ci Telecom Autonomous system 33776 207 13 14 Starcomms Nigeria Limited 12258 199 28 59 Vodacom Internet Company 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 3548 3815 222 BellSouth.net Inc. 7029 2151 1041 209 Windstream Communications Inc 18566 2097 382 176 Covad Communications Co. 4766 1934 11055 653 Korea Telecom (KIX) 1785 1839 680 121 PaeTec Communications, Inc. 17974 1772 512 38 PT Telekomunikasi Indonesia 10620 1681 310 155 Types of queries are: POCs, o 4323 1630 1099 392 tw telecom holdings, inc. 7545 1609 303 86 TPG Internet Pty Ltd 20115 1590 1541 635 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 7029 2151 1942 Windstream Communications Inc 18566 2097 1921 Covad Communications Co. 17974 1772 1734 PT Telekomunikasi Indonesia 1785 1839 1718 PaeTec Communications, Inc. 10620 1681 1526 Types of queries are: POCs, o 7545 1609 1523 TPG Internet Pty Ltd 8402 1452 1439 Corbina telecom 22773 1460 1360 Cox Communications Inc. 4755 1524 1352 TATA Communications formerly 28573 1368 1300 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 * 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. 25639 UNALLOCATED 12.41.169.0/24 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 24.225.128.0/18 36377 Comcast Telecommunications, I 24.225.192.0/23 36377 Comcast Telecommunications, I 24.225.192.0/18 36377 Comcast Telecommunications, I 24.225.224.0/21 36377 Comcast Telecommunications, I 24.225.237.0/24 36377 Comcast Telecommunications, I 24.225.248.0/21 36377 Comcast Telecommunications, I 41.222.79.0/24 36938 >>UNKNOWN<< 41.223.92.0/22 36936 >>UNKNOWN<< 62.61.220.0/24 24974 Tachyon Europe BV 62.61.221.0/24 24974 Tachyon Europe BV 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 /10:27 /11:81 /12:236 /13:464 /14:806 /15:1420 /16:11951 /17:6012 /18:10001 /19:20035 /20:27191 /21:27209 /22:36596 /23:34694 /24:194317 /25:12 /26:20 /27:22 /28:151 /29:127 /30:61 /31:0 /32:123 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 6389 2186 3548 BellSouth.net Inc. 18566 2047 2097 Covad Communications Co. 7029 1823 2151 Windstream Communications Inc 10620 1576 1681 Types of queries are: POCs, o 8402 1429 1452 Corbina telecom 30036 1352 1390 Mediacom Communications Corp 11492 1114 1151 CABLE ONE, INC. 1785 1056 1839 PaeTec Communications, Inc. 7011 1048 1166 Frontier Communications of Am 22773 948 1460 Cox Communications Inc. Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:400 2:477 4:15 5:1 6:3 8:355 12:1955 13:1 14:528 15:11 16:3 17:7 20:9 23:58 24:1679 27:960 31:594 32:60 33:4 34:2 36:4 38:747 40:109 41:2647 42:50 44:3 46:995 47:3 49:263 50:444 52:13 55:6 56:2 57:35 58:832 59:486 60:360 61:1011 62:1093 63:1922 64:4064 65:2305 66:4251 67:1964 68:1149 69:3224 70:879 71:377 72:1865 74:2575 75:377 76:345 77:885 78:863 79:482 80:1125 81:825 82:505 83:534 84:637 85:1118 86:406 87:891 88:356 89:1593 90:269 91:4195 92:526 93:1520 94:1301 95:1029 96:432 97:283 98:910 99:37 101:94 103:367 106:70 107:68 108:56 109:1052 110:638 111:785 112:320 113:460 114:596 115:669 116:869 117:686 118:854 119:1224 120:337 121:676 122:1556 123:1019 124:1302 125:1331 128:208 129:171 130:158 131:583 132:136 133:21 134:209 135:54 136:211 137:136 138:290 139:117 140:465 141:293 142:364 143:422 144:488 145:63 146:466 147:214 148:612 149:257 150:160 151:192 152:446 153:178 154:6 155:387 156:200 157:328 158:152 159:407 160:323 161:204 162:336 163:164 164:505 165:365 166:537 167:437 168:730 169:143 170:872 171:85 172:4 173:1693 174:668 175:421 176:277 177:323 178:1052 180:1098 181:36 182:624 183:204 184:371 185:1 186:1279 187:690 188:930 189:857 190:5074 192:5864 193:5026 194:3549 195:3098 196:1246 197:172 198:3575 199:4114 200:5435 201:1649 202:8278 203:8374 204:4218 205:2335 206:2587 207:2751 208:4050 209:3562 210:2621 211:1446 212:2081 213:1771 214:713 215:82 216:4959 217:1614 218:553 219:329 220:1202 221:499 222:320 223:274 End of report