Routing Table Report 08:00 +10GMT Wed 09 Feb, 2011 Report Website: http://thyme.rand.apnic.net Detailed Analysis: http://thyme.rand.apnic.net/london/ Analysis Summary ---------------- BGP routing table entries examined: 340669 Prefixes after maximum aggregation: 155029 Deaggregation factor: 2.20 Unique aggregates announced to Internet: 170700 Total ASes present in the Internet Routing Table: 35660 Prefixes per ASN: 9.55 Origin-only ASes present in the Internet Routing Table: 30854 Origin ASes announcing only one prefix: 14962 Transit ASes present in the Internet Routing Table: 4806 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: 25 Max AS path prepend of ASN (22394) 20 Prefixes from unregistered ASNs in the Routing Table: 1430 Unregistered ASNs in the Routing Table: 258 Number of 32-bit ASNs allocated by the RIRs: 1092 Prefixes from 32-bit ASNs in the Routing Table: 1664 Special use prefixes present in the Routing Table: 6 Prefixes being announced from unallocated address space: 200 Number of addresses announced to Internet: 2431803648 Equivalent to 144 /8s, 242 /16s and 97 /24s Percentage of available address space announced: 65.6 Percentage of allocated address space announced: 65.6 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 88.2 Total number of prefixes smaller than registry allocations: 139371 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 81895 Total APNIC prefixes after maximum aggregation: 27917 APNIC Deaggregation factor: 2.93 Prefixes being announced from the APNIC address blocks: 79421 Unique aggregates announced from the APNIC address blocks: 35630 APNIC Region origin ASes present in the Internet Routing Table: 4267 APNIC Prefixes per ASN: 18.61 APNIC Region origin ASes announcing only one prefix: 1218 APNIC Region transit ASes present in the Internet Routing Table: 654 Average APNIC Region AS path length visible: 4.1 Max APNIC Region AS path length visible: 21 Number of APNIC addresses announced to Internet: 586584320 Equivalent to 34 /8s, 246 /16s and 145 /24s Percentage of available APNIC address space announced: 74.4 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: 135956 Total ARIN prefixes after maximum aggregation: 69685 ARIN Deaggregation factor: 1.95 Prefixes being announced from the ARIN address blocks: 108771 Unique aggregates announced from the ARIN address blocks: 44737 ARIN Region origin ASes present in the Internet Routing Table: 14094 ARIN Prefixes per ASN: 7.72 ARIN Region origin ASes announcing only one prefix: 5387 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: 752337152 Equivalent to 44 /8s, 215 /16s and 193 /24s Percentage of available ARIN address space announced: 62.3 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, 47/8, 48/8, 50/8, 52/8, 54/8, 55/8, 56/8, 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: 82079 Total RIPE prefixes after maximum aggregation: 46359 RIPE Deaggregation factor: 1.77 Prefixes being announced from the RIPE address blocks: 75383 Unique aggregates announced from the RIPE address blocks: 48788 RIPE Region origin ASes present in the Internet Routing Table: 15284 RIPE Prefixes per ASN: 4.93 RIPE Region origin ASes announcing only one prefix: 7785 RIPE Region transit ASes present in the Internet Routing Table: 2359 Average RIPE Region AS path length visible: 3.5 Max RIPE Region AS path length visible: 25 Number of RIPE addresses announced to Internet: 457707776 Equivalent to 27 /8s, 72 /16s and 17 /24s Percentage of available RIPE address space announced: 73.7 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: 30957 Total LACNIC prefixes after maximum aggregation: 7240 LACNIC Deaggregation factor: 4.28 Prefixes being announced from the LACNIC address blocks: 29894 Unique aggregates announced from the LACNIC address blocks: 15926 LACNIC Region origin ASes present in the Internet Routing Table: 1414 LACNIC Prefixes per ASN: 21.14 LACNIC Region origin ASes announcing only one prefix: 440 LACNIC Region transit ASes present in the Internet Routing Table: 246 Average LACNIC Region AS path length visible: 4.0 Max LACNIC Region AS path length visible: 18 Number of LACNIC addresses announced to Internet: 80368640 Equivalent to 4 /8s, 202 /16s and 84 /24s Percentage of available LACNIC address space announced: 53.2 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: 7441 Total AfriNIC prefixes after maximum aggregation: 1852 AfriNIC Deaggregation factor: 4.02 Prefixes being announced from the AfriNIC address blocks: 5849 Unique aggregates announced from the AfriNIC address blocks: 1823 AfriNIC Region origin ASes present in the Internet Routing Table: 434 AfriNIC Prefixes per ASN: 13.48 AfriNIC Region origin ASes announcing only one prefix: 132 AfriNIC Region transit ASes present in the Internet Routing Table: 95 Average AfriNIC Region AS path length visible: 3.4 Max AfriNIC Region AS path length visible: 17 Number of AfriNIC addresses announced to Internet: 21870848 Equivalent to 1 /8s, 77 /16s and 185 /24s Percentage of available AfriNIC address space announced: 32.6 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 1784 9485 518 Korea Telecom (KIX) 7545 1623 300 83 TPG Internet Pty Ltd 4755 1413 637 162 TATA Communications formerly 17974 1405 459 29 PT Telekomunikasi Indonesia 24560 1100 319 179 Bharti Airtel Ltd., Telemedia 9583 1044 76 487 Sify Limited 17488 952 162 104 Hathway IP Over Cable Interne 4808 935 2034 270 CNCGROUP IP network China169 18101 927 117 142 Reliance Infocom Ltd Internet 9829 874 748 59 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 3713 3855 266 BellSouth.net Inc. 4323 2622 1125 404 tw telecom holdings, inc. 19262 1842 4951 283 Verizon Online LLC 1785 1789 697 132 PaeTec Communications, Inc. 20115 1523 1533 640 Charter Communications 6478 1482 291 81 AT&T Services, Inc. 7018 1371 6708 888 AT&T Services, Inc. 2386 1297 554 934 AT&T Data Communications Serv 22773 1277 2865 78 Cox Communications Inc. 11492 1265 235 79 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 513 1764 318 UPC Broadband 9198 465 266 14 Kazakhtelecom Data Network Ad 34984 456 97 137 BILISIM TELEKOM 3292 444 1996 387 TDC Data Networks 8866 440 133 23 Bulgarian Telecommunication C 8551 405 355 38 Bezeq International 3320 404 7617 352 Deutsche Telekom AG 702 401 1819 314 >>UNKNOWN<< 20940 401 92 309 Akamai Technologies European 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 1374 255 164 Types of queries are: POCs, o 28573 1224 961 82 Types of queries are: POCs, o 8151 1207 2629 357 Uninet S.A. de C.V. 6503 1178 355 79 Axtel, S.A.B. de C.V. 7303 864 446 128 Telecom Argentina S.A. 14420 638 57 92 CORPORACION NACIONAL DE TELEC 22047 543 310 15 Types of queries are: POCs, o 3816 502 220 95 Types of queries are: POCs, o 7738 478 922 30 Telecomunicacoes da Bahia S.A 14117 457 34 32 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 780 445 11 TEDATA 24863 760 147 37 LINKdotNET AS number 36992 594 313 20 Etisalat MISR 3741 264 987 226 The Internet Solution 24835 218 78 10 RAYA Telecom - Egypt 6713 203 199 12 Itissalat Al-MAGHRIB 33776 194 12 15 Starcomms Nigeria Limited 29571 192 17 11 Ci Telecom Autonomous system 16637 147 422 84 MTN Network Solutions 29975 132 490 17 Vodacom 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 3713 3855 266 BellSouth.net Inc. 4323 2622 1125 404 tw telecom holdings, inc. 19262 1842 4951 283 Verizon Online LLC 1785 1789 697 132 PaeTec Communications, Inc. 4766 1784 9485 518 Korea Telecom (KIX) 23456 1664 420 933 32-bit ASN transition 7545 1623 300 83 TPG Internet Pty Ltd 20115 1523 1533 640 Charter Communications 6478 1482 291 81 AT&T Services, Inc. 4755 1413 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 2622 2218 tw telecom holdings, inc. 1785 1789 1657 PaeTec Communications, Inc. 19262 1842 1559 Verizon Online LLC 7545 1623 1540 TPG Internet Pty Ltd 6478 1482 1401 AT&T Services, Inc. 17974 1405 1376 PT Telekomunikasi Indonesia 4766 1784 1266 Korea Telecom (KIX) 4755 1413 1251 TATA Communications formerly 10620 1374 1210 Types of queries are: POCs, o 22773 1277 1199 Cox Communications 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, 31.144.0.0/16 21497 UMC Autonomous System 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. 41.222.79.0/24 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 /9:11 /10:26 /11:72 /12:222 /13:444 /14:770 /15:1370 /16:11511 /17:5619 /18:9292 /19:18902 /20:24301 /21:24597 /22:32736 /23:31351 /24:178969 /25:11 /26:17 /27:24 /28:157 /29:91 /30:43 /31:0 /32:111 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 6389 2290 3713 BellSouth.net Inc. 6478 1436 1482 AT&T Services, Inc. 4323 1410 2622 tw telecom holdings, inc. 10620 1265 1374 Types of queries are: POCs, o 11492 1222 1265 CABLE ONE, INC. 18566 1157 1179 Covad Communications Co. 7011 1062 1165 Frontier Communications of Am 1785 1055 1789 PaeTec Communications, Inc. 23456 976 1664 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) ---------------------------------------------- 1:173 2:44 4:13 5:1 8:333 12:2027 13:1 14:393 15:15 16:3 17:8 20:9 23:1 24:1469 27:572 32:57 33:5 34:2 37:1 38:694 40:101 41:2269 44:3 46:556 47:5 49:145 50:82 52:12 55:3 56:2 57:28 58:762 59:481 60:389 61:1018 62:1090 63:1923 64:3726 65:2356 66:4126 67:1760 68:1007 69:2882 70:715 71:396 72:1996 73:1 74:2319 75:293 76:342 77:867 78:703 79:443 80:1043 81:825 82:536 83:473 84:649 85:1052 86:536 87:753 88:357 89:1573 90:156 91:3472 92:493 93:1048 94:1201 95:796 96:421 97:250 98:785 99:33 101:27 107:3 108:86 109:902 110:471 111:690 112:302 113:356 114:476 115:636 116:913 117:671 118:642 119:1007 120:238 121:679 122:1627 123:1057 124:1263 125:1213 128:212 129:147 130:167 131:565 132:102 133:20 134:210 135:49 136:213 137:144 138:290 139:116 140:467 141:197 142:341 143:379 144:473 145:51 146:417 147:191 148:612 149:273 150:158 151:231 152:303 153:177 154:2 155:346 156:173 157:313 158:128 159:373 160:314 161:195 162:277 163:151 164:486 165:336 166:497 167:421 168:734 169:149 170:747 171:68 172:2 173:1277 174:518 175:314 176:1 177:4 178:796 180:784 182:333 183:250 184:208 186:997 187:813 188:911 189:1050 190:4347 192:5743 193:4790 194:3500 195:2939 196:1172 197:3 198:3497 199:3741 200:5540 201:1569 202:8041 203:8331 204:4006 205:2317 206:2531 207:3004 208:3890 209:3473 210:2594 211:1323 212:1888 213:1726 214:754 215:61 216:4839 217:1618 218:516 219:372 220:1197 221:433 222:316 223:92 End of report