Routing Table Report 08:00 +10GMT Sun 05 Feb, 2012 Report Website: http://thyme.rand.apnic.net Detailed Analysis: http://thyme.rand.apnic.net/london/ Analysis Summary ---------------- BGP routing table entries examined: 389340 Prefixes after maximum aggregation: 167425 Deaggregation factor: 2.33 Unique aggregates announced to Internet: 191797 Total ASes present in the Internet Routing Table: 37921 Prefixes per ASN: 10.27 Origin-only ASes present in the Internet Routing Table: 32666 Origin ASes announcing only one prefix: 15527 Transit ASes present in the Internet Routing Table: 5255 Transit-only ASes present in the Internet Routing Table: 128 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: 1057 Unregistered ASNs in the Routing Table: 182 Number of 32-bit ASNs allocated by the RIRs: 2265 Number of 32-bit ASNs visible in the Routing Table: 0 Prefixes from 32-bit ASNs in the Routing Table: 4686 Special use prefixes present in the Routing Table: 8 Prefixes being announced from unallocated address space: 119 Number of addresses announced to Internet: 2528784128 Equivalent to 150 /8s, 186 /16s and 47 /24s Percentage of available address space announced: 68.2 Percentage of allocated address space announced: 68.2 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 92.0 Total number of prefixes smaller than registry allocations: 163815 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 92099 Total APNIC prefixes after maximum aggregation: 30182 APNIC Deaggregation factor: 3.05 Prefixes being announced from the APNIC address blocks: 89402 Unique aggregates announced from the APNIC address blocks: 39112 APNIC Region origin ASes present in the Internet Routing Table: 4589 APNIC Prefixes per ASN: 19.48 APNIC Region origin ASes announcing only one prefix: 1254 APNIC Region transit ASes present in the Internet Routing Table: 700 Average APNIC Region AS path length visible: 4.0 Max APNIC Region AS path length visible: 16 Number of APNIC region 32-bit ASNs visible in the Routing Table: 0 Number of APNIC addresses announced to Internet: 635595008 Equivalent to 37 /8s, 226 /16s and 105 /24s Percentage of available APNIC address space announced: 80.6 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: 146855 Total ARIN prefixes after maximum aggregation: 74906 ARIN Deaggregation factor: 1.96 Prefixes being announced from the ARIN address blocks: 119106 Unique aggregates announced from the ARIN address blocks: 49264 ARIN Region origin ASes present in the Internet Routing Table: 14817 ARIN Prefixes per ASN: 8.04 ARIN Region origin ASes announcing only one prefix: 5675 ARIN Region transit ASes present in the Internet Routing Table: 1500 Average ARIN Region AS path length visible: 3.3 Max ARIN Region AS path length visible: 18 Number of ARIN region 32-bit ASNs visible in the Routing Table: 0 Number of ARIN addresses announced to Internet: 804335872 Equivalent to 47 /8s, 241 /16s and 49 /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: 98365 Total RIPE prefixes after maximum aggregation: 52253 RIPE Deaggregation factor: 1.88 Prefixes being announced from the RIPE address blocks: 90228 Unique aggregates announced from the RIPE address blocks: 55879 RIPE Region origin ASes present in the Internet Routing Table: 16282 RIPE Prefixes per ASN: 5.54 RIPE Region origin ASes announcing only one prefix: 7999 RIPE Region transit ASes present in the Internet Routing Table: 2582 Average RIPE Region AS path length visible: 3.5 Max RIPE Region AS path length visible: 24 Number of RIPE region 32-bit ASNs visible in the Routing Table: 0 Number of RIPE addresses announced to Internet: 498640384 Equivalent to 29 /8s, 184 /16s and 166 /24s Percentage of available RIPE address space announced: 80.3 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: 37667 Total LACNIC prefixes after maximum aggregation: 7933 LACNIC Deaggregation factor: 4.75 Prefixes being announced from the LACNIC address blocks: 37442 Unique aggregates announced from the LACNIC address blocks: 19443 LACNIC Region origin ASes present in the Internet Routing Table: 1556 LACNIC Prefixes per ASN: 24.06 LACNIC Region origin ASes announcing only one prefix: 440 LACNIC Region transit ASes present in the Internet Routing Table: 284 Average LACNIC Region AS path length visible: 4.0 Max LACNIC Region AS path length visible: 17 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 0 Number of LACNIC addresses announced to Internet: 95919616 Equivalent to 5 /8s, 183 /16s and 158 /24s Percentage of available LACNIC address space announced: 63.5 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: 8966 Total AfriNIC prefixes after maximum aggregation: 2079 AfriNIC Deaggregation factor: 4.31 Prefixes being announced from the AfriNIC address blocks: 7000 Unique aggregates announced from the AfriNIC address blocks: 2141 AfriNIC Region origin ASes present in the Internet Routing Table: 507 AfriNIC Prefixes per ASN: 13.81 AfriNIC Region origin ASes announcing only one prefix: 159 AfriNIC Region transit ASes present in the Internet Routing Table: 116 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: 30833408 Equivalent to 1 /8s, 214 /16s and 123 /24s Percentage of available AfriNIC address space announced: 45.9 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 1912 11098 670 Korea Telecom (KIX) 7545 1640 303 86 TPG Internet Pty Ltd 17974 1639 503 36 PT Telekomunikasi Indonesia 4755 1515 385 157 TATA Communications formerly 9829 1169 989 28 National Internet Backbone 9583 1123 82 483 Sify Limited 7552 1095 1062 11 Vietel Corporation 24560 1014 385 167 Bharti Airtel Ltd., Telemedia 4808 982 1947 278 CNCGROUP IP network China169 18101 952 131 156 Reliance Infocom Ltd Internet 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 3444 3807 202 BellSouth.net Inc. 7029 3258 1043 213 Windstream Communications Inc 18566 2094 382 177 Covad Communications Co. 1785 1868 680 124 PaeTec Communications, Inc. 20115 1626 1552 627 Charter Communications 4323 1608 1078 384 tw telecom holdings, inc. 22773 1498 2910 109 Cox Communications Inc. 30036 1428 253 750 Mediacom Communications Corp 19262 1384 4683 400 Verizon Online LLC 7018 1312 7040 857 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 1602 480 15 Corbina telecom 2118 1391 99 14 EUnet/RELCOM Autonomous Syste 15557 1096 2161 64 NEUF CEGETEL (formerly LDCOM 34984 644 188 171 BILISIM TELEKOM 6830 642 1927 412 UPC Broadband 20940 596 194 469 Akamai Technologies European 8551 576 360 81 Bezeq International 12479 557 642 54 France Telecom Espana SA 9116 541 326 32 Goldenlines main autonomous s 31148 536 37 9 FreeNet ISP 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 1735 323 170 Types of queries are: POCs, o 28573 1630 1085 69 Types of queries are: POCs, o 8151 1316 2976 338 Uninet S.A. de C.V. 7303 1260 757 180 Telecom Argentina S.A. 26615 814 616 33 Tim Celular S.A. 11172 699 111 76 Alestra, S. de R.L. de C.V. 27947 627 73 99 Telconet S.A 22047 581 322 17 Types of queries are: POCs, o 3816 552 238 91 Types of queries are: POCs, o 7738 550 1050 31 Telecomunicacoes da Bahia 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 1214 958 13 TEDATA 24863 831 155 40 LINKdotNET AS number 6713 485 649 18 Itissalat Al-MAGHRIB 3741 280 939 229 The Internet Solution 15706 238 32 6 Sudatel Internet Exchange Aut 33776 237 13 13 Starcomms Nigeria Limited 12258 197 28 62 Vodacom Internet Company 24835 193 80 8 RAYA Telecom - Egypt 29571 189 17 11 Ci Telecom Autonomous system 16637 160 664 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 3444 3807 202 BellSouth.net Inc. 7029 3258 1043 213 Windstream Communications Inc 18566 2094 382 177 Covad Communications Co. 4766 1912 11098 670 Korea Telecom (KIX) 1785 1868 680 124 PaeTec Communications, Inc. 10620 1735 323 170 Types of queries are: POCs, o 7545 1640 303 86 TPG Internet Pty Ltd 17974 1639 503 36 PT Telekomunikasi Indonesia 28573 1630 1085 69 Types of queries are: POCs, o 20115 1626 1552 627 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 3258 3045 Windstream Communications Inc 18566 2094 1917 Covad Communications Co. 1785 1868 1744 PaeTec Communications, Inc. 17974 1639 1603 PT Telekomunikasi Indonesia 8402 1602 1587 Corbina telecom 10620 1735 1565 Types of queries are: POCs, o 28573 1630 1561 Types of queries are: POCs, o 7545 1640 1554 TPG Internet Pty Ltd 22773 1498 1389 Cox Communications Inc. 2118 1391 1377 EUnet/RELCOM Autonomous Syste 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 23.26.0.0/16 11798 Ace Data Centers, Inc. 37.77.176.0/21 16082 Spitfire Digital Networks Aut 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 /11:80 /12:231 /13:458 /14:815 /15:1463 /16:12100 /17:6159 /18:10228 /19:20373 /20:28062 /21:28799 /22:39024 /23:36545 /24:204402 /25:11 /26:21 /27:19 /28:153 /29:133 /30:65 /31:0 /32:140 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 7029 2870 3258 Windstream Communications Inc 6389 2113 3444 BellSouth.net Inc. 18566 2043 2094 Covad Communications Co. 10620 1629 1735 Types of queries are: POCs, o 8402 1581 1602 Corbina telecom 30036 1386 1428 Mediacom Communications Corp 11492 1117 1154 CABLE ONE, INC. 1785 1064 1868 PaeTec Communications, Inc. 15557 1046 1096 NEUF CEGETEL (formerly LDCOM 7011 1033 1149 Frontier Communications of Am Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:496 2:450 4:14 5:1 6:3 8:379 12:1952 13:1 14:584 15:11 16:3 17:6 20:9 23:127 24:1721 27:1181 31:893 32:60 33:2 34:2 36:9 37:162 38:783 40:114 41:3164 42:91 44:3 46:1278 47:3 49:322 50:514 52:13 54:2 55:7 56:3 57:37 58:915 59:484 60:341 61:1085 62:928 63:1996 64:4121 65:2284 66:4407 67:2045 68:1166 69:3147 70:914 71:410 72:1794 74:2637 75:452 76:323 77:963 78:898 79:505 80:1221 81:865 82:567 83:537 84:582 85:1157 86:752 87:907 88:341 89:1539 90:253 91:4443 92:540 93:1541 94:1339 95:1094 96:412 97:310 98:804 99:38 100:20 101:139 103:727 106:3 107:143 108:145 109:1465 110:685 111:839 112:391 113:523 114:596 115:740 116:849 117:705 118:903 119:1236 120:354 121:647 122:1572 123:1069 124:1302 125:1312 128:494 129:181 130:208 131:586 132:163 133:21 134:221 135:59 136:212 137:150 138:285 139:144 140:461 141:260 142:360 143:395 144:510 145:70 146:479 147:228 148:702 149:273 150:161 151:196 152:444 153:170 154:6 155:406 156:208 157:335 158:156 159:440 160:328 161:226 162:338 163:178 164:528 165:395 166:556 167:456 168:760 169:146 170:829 171:108 172:2 173:1751 174:593 175:414 176:464 177:475 178:1247 180:1175 181:64 182:692 183:277 184:430 185:1 186:1959 187:849 188:1042 189:1177 190:5436 192:5932 193:5527 194:4328 195:3386 196:1274 197:180 198:3566 199:4324 200:5603 201:1730 202:8180 203:8498 204:4266 205:2423 206:2659 207:2745 208:4047 209:3532 210:2674 211:1446 212:1992 213:1832 214:848 215:92 216:4952 217:1467 218:539 219:337 220:1222 221:542 222:297 223:260 End of report