Routing Table Report 08:00 +10GMT Sat 31 Dec, 2011 Report Website: http://thyme.rand.apnic.net Detailed Analysis: http://thyme.rand.apnic.net/london/ Analysis Summary ---------------- BGP routing table entries examined: 382546 Prefixes after maximum aggregation: 166418 Deaggregation factor: 2.30 Unique aggregates announced to Internet: 190104 Total ASes present in the Internet Routing Table: 37768 Prefixes per ASN: 10.13 Origin-only ASes present in the Internet Routing Table: 32554 Origin ASes announcing only one prefix: 15537 Transit ASes present in the Internet Routing Table: 5214 Transit-only ASes present in the Internet Routing Table: 123 Average AS path length visible in the Internet Routing Table: 3.6 Max AS path length visible: 24 Max AS path prepend of ASN (36992) 22 Prefixes from unregistered ASNs in the Routing Table: 2746 Unregistered ASNs in the Routing Table: 1100 Number of 32-bit ASNs allocated by the RIRs: 2144 Number of 32-bit ASNs visible in the Routing Table: 0 Prefixes from 32-bit ASNs in the Routing Table: 4334 Special use prefixes present in the Routing Table: 8 Prefixes being announced from unallocated address space: 113 Number of addresses announced to Internet: 2522678272 Equivalent to 150 /8s, 93 /16s and 4 /24s Percentage of available address space announced: 68.1 Percentage of allocated address space announced: 68.1 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 91.8 Total number of prefixes smaller than registry allocations: 160449 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 91232 Total APNIC prefixes after maximum aggregation: 30056 APNIC Deaggregation factor: 3.04 Prefixes being announced from the APNIC address blocks: 88591 Unique aggregates announced from the APNIC address blocks: 38803 APNIC Region origin ASes present in the Internet Routing Table: 4572 APNIC Prefixes per ASN: 19.38 APNIC Region origin ASes announcing only one prefix: 1267 APNIC Region transit ASes present in the Internet Routing Table: 703 Average APNIC Region AS path length visible: 4.0 Max APNIC Region AS path length visible: 18 Number of APNIC region 32-bit ASNs visible in the Routing Table: 0 Number of APNIC addresses announced to Internet: 632494080 Equivalent to 37 /8s, 179 /16s and 24 /24s Percentage of available APNIC address space announced: 80.2 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: 145583 Total ARIN prefixes after maximum aggregation: 74500 ARIN Deaggregation factor: 1.95 Prefixes being announced from the ARIN address blocks: 117967 Unique aggregates announced from the ARIN address blocks: 48899 ARIN Region origin ASes present in the Internet Routing Table: 14754 ARIN Prefixes per ASN: 8.00 ARIN Region origin ASes announcing only one prefix: 5662 ARIN Region transit ASes present in the Internet Routing Table: 1494 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: 804698368 Equivalent to 47 /8s, 246 /16s and 185 /24s Percentage of available ARIN address space announced: 64.0 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: 95692 Total RIPE prefixes after maximum aggregation: 51776 RIPE Deaggregation factor: 1.85 Prefixes being announced from the RIPE address blocks: 87711 Unique aggregates announced from the RIPE address blocks: 55410 RIPE Region origin ASes present in the Internet Routing Table: 16223 RIPE Prefixes per ASN: 5.41 RIPE Region origin ASes announcing only one prefix: 7996 RIPE Region transit ASes present in the Internet Routing Table: 2561 Average RIPE Region AS path length visible: 3.5 Max RIPE Region AS path length visible: 22 Number of RIPE region 32-bit ASNs visible in the Routing Table: 0 Number of RIPE addresses announced to Internet: 495412480 Equivalent to 29 /8s, 135 /16s and 101 /24s Percentage of available RIPE address space announced: 79.8 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: 36422 Total LACNIC prefixes after maximum aggregation: 7936 LACNIC Deaggregation factor: 4.59 Prefixes being announced from the LACNIC address blocks: 36155 Unique aggregates announced from the LACNIC address blocks: 19046 LACNIC Region origin ASes present in the Internet Routing Table: 1548 LACNIC Prefixes per ASN: 23.36 LACNIC Region origin ASes announcing only one prefix: 453 LACNIC Region transit ASes present in the Internet Routing Table: 274 Average LACNIC Region AS path length visible: 4.0 Max LACNIC Region AS path length visible: 18 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 0 Number of LACNIC addresses announced to Internet: 95119872 Equivalent to 5 /8s, 171 /16s and 106 /24s Percentage of available LACNIC address space announced: 63.0 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: 8569 Total AfriNIC prefixes after maximum aggregation: 2075 AfriNIC Deaggregation factor: 4.13 Prefixes being announced from the AfriNIC address blocks: 6625 Unique aggregates announced from the AfriNIC address blocks: 2086 AfriNIC Region origin ASes present in the Internet Routing Table: 504 AfriNIC Prefixes per ASN: 13.14 AfriNIC Region origin ASes announcing only one prefix: 159 AfriNIC Region transit ASes present in the Internet Routing Table: 114 Average AfriNIC Region AS path length visible: 3.4 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: 30876928 Equivalent to 1 /8s, 215 /16s and 37 /24s Percentage of available AfriNIC address space announced: 46.0 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 1916 11098 661 Korea Telecom (KIX) 17974 1630 503 37 PT Telekomunikasi Indonesia 7545 1626 303 86 TPG Internet Pty Ltd 4755 1498 385 157 TATA Communications formerly 9583 1186 90 531 Sify Limited 9829 1170 989 28 National Internet Backbone 7552 1103 1062 11 Vietel Corporation 24560 1004 383 163 Bharti Airtel Ltd., Telemedia 18101 976 131 157 Reliance Infocom Ltd Internet 4808 956 1945 273 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 3475 3814 217 BellSouth.net Inc. 7029 2950 1042 213 Windstream Communications Inc 18566 2095 383 177 Covad Communications Co. 1785 1864 680 121 PaeTec Communications, Inc. 4323 1623 1081 386 tw telecom holdings, inc. 20115 1614 1550 619 Charter Communications 22773 1516 2909 107 Cox Communications Inc. 30036 1473 262 688 Mediacom Communications Corp 19262 1388 4683 401 Verizon Online LLC 7018 1312 7047 867 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 1455 480 15 Corbina telecom 15557 1092 2161 64 NEUF CEGETEL (formerly LDCOM 2118 672 99 14 EUnet/RELCOM Autonomous Syste 6830 642 1928 413 UPC Broadband 34984 636 132 198 BILISIM TELEKOM 8551 555 364 61 Bezeq International 12479 552 636 53 France Telecom Espana SA 20940 543 175 437 Akamai Technologies European 9116 541 326 32 Goldenlines main autonomous s 3320 531 8162 397 Deutsche Telekom AG 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 1721 319 159 Types of queries are: POCs, o 28573 1561 1064 75 Types of queries are: POCs, o 8151 1314 2962 344 Uninet S.A. de C.V. 7303 1252 755 176 Telecom Argentina S.A. 27947 611 73 95 Telconet S.A 22047 582 322 17 Types of queries are: POCs, o 3816 551 237 91 Types of queries are: POCs, o 7738 551 1050 31 Telecomunicacoes da Bahia S.A 11172 531 102 98 Alestra, S. de R.L. de C.V. 6503 527 434 68 Axtel, S.A.B. 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 8452 1039 958 13 TEDATA 24863 789 146 33 LINKdotNET AS number 3741 280 939 229 The Internet Solution 6713 250 649 18 Itissalat Al-MAGHRIB 15706 242 32 6 Sudatel Internet Exchange Aut 33776 240 13 8 Starcomms Nigeria Limited 29571 216 17 13 Ci Telecom Autonomous system 12258 196 28 61 Vodacom Internet Company 24835 189 80 8 RAYA Telecom - Egypt 16637 157 664 85 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 3475 3814 217 BellSouth.net Inc. 7029 2950 1042 213 Windstream Communications Inc 18566 2095 383 177 Covad Communications Co. 4766 1916 11098 661 Korea Telecom (KIX) 1785 1864 680 121 PaeTec Communications, Inc. 10620 1721 319 159 Types of queries are: POCs, o 17974 1630 503 37 PT Telekomunikasi Indonesia 7545 1626 303 86 TPG Internet Pty Ltd 4323 1623 1081 386 tw telecom holdings, inc. 20115 1614 1550 619 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 2950 2737 Windstream Communications Inc 18566 2095 1918 Covad Communications Co. 1785 1864 1743 PaeTec Communications, Inc. 17974 1630 1593 PT Telekomunikasi Indonesia 10620 1721 1562 Types of queries are: POCs, o 7545 1626 1540 TPG Internet Pty Ltd 28573 1561 1486 Types of queries are: POCs, o 8402 1455 1440 Corbina telecom 22773 1516 1409 Cox Communications Inc. 4755 1498 1341 TATA Communications formerly 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 128.0.0.0/21 12654 RIPE NCC RIS Project 128.0.24.0/24 12654 RIPE NCC RIS Project 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 14.192.0.0/22 45464 Room 201, TGU Bldg 14.192.4.0/22 45464 Room 201, TGU Bldg 14.192.8.0/22 45464 Room 201, TGU Bldg 14.192.12.0/22 45464 Room 201, TGU Bldg 14.192.16.0/22 45464 Room 201, TGU Bldg 14.192.20.0/22 45464 Room 201, TGU Bldg 14.192.24.0/22 45464 Room 201, TGU Bldg 14.192.28.0/22 45464 Room 201, TGU Bldg 37.26.200.0/21 28748 AlphaCron Datensysteme AS 37.26.208.0/20 57660 >>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 /8:20 /9:12 /10:27 /11:81 /12:238 /13:465 /14:812 /15:1447 /16:12040 /17:6104 /18:10168 /19:20267 /20:27972 /21:28262 /22:38354 /23:35628 /24:200099 /25:11 /26:21 /27:20 /28:155 /29:135 /30:67 /31:0 /32:141 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 7029 2562 2950 Windstream Communications Inc 6389 2119 3475 BellSouth.net Inc. 18566 2044 2095 Covad Communications Co. 10620 1616 1721 Types of queries are: POCs, o 8402 1434 1455 Corbina telecom 30036 1432 1473 Mediacom Communications Corp 11492 1115 1152 CABLE ONE, INC. 1785 1064 1864 PaeTec Communications, Inc. 7011 1051 1168 Frontier Communications of Am 15557 1042 1092 NEUF CEGETEL (formerly LDCOM Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:477 2:398 4:15 5:1 6:3 8:366 12:1944 13:1 14:572 15:11 16:3 17:7 20:9 23:80 24:1708 27:1122 31:826 32:62 33:2 34:2 36:4 37:10 38:785 40:114 41:3026 42:83 44:3 46:1150 47:3 49:295 50:473 52:13 55:4 56:2 57:37 58:882 59:480 60:340 61:1071 62:940 63:1965 64:4093 65:2302 66:4363 67:1986 68:1164 69:3128 70:923 71:410 72:1783 74:2644 75:430 76:319 77:933 78:870 79:491 80:1190 81:842 82:532 83:532 84:576 85:1165 86:753 87:903 88:358 89:1582 90:261 91:4381 92:532 93:1508 94:1343 95:1027 96:391 97:288 98:763 99:38 100:18 101:125 103:581 106:10 107:120 108:101 109:1426 110:676 111:823 112:420 113:507 114:590 115:686 116:853 117:699 118:897 119:1210 120:363 121:647 122:1581 123:1035 124:1295 125:1299 128:469 129:181 130:184 131:583 132:154 133:21 134:217 135:54 136:204 137:148 138:285 139:125 140:464 141:256 142:364 143:387 144:497 145:67 146:463 147:222 148:613 149:270 150:158 151:192 152:441 153:169 154:6 155:397 156:207 157:334 158:153 159:433 160:345 161:204 162:332 163:178 164:518 165:392 166:544 167:455 168:808 169:145 170:830 171:95 172:4 173:1813 174:587 175:412 176:320 177:450 178:1147 180:1210 181:43 182:665 183:264 184:421 185:1 186:1471 187:802 188:1009 189:1182 190:5330 192:5938 193:5443 194:3792 195:3182 196:1272 197:175 198:3567 199:4196 200:5466 201:1681 202:8293 203:8434 204:4264 205:2403 206:2600 207:2749 208:4003 209:3538 210:2681 211:1445 212:1971 213:1809 214:799 215:93 216:4883 217:1469 218:560 219:333 220:1221 221:539 222:297 223:253 End of report