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Routing Table Report 08:00 +10GMT Sun 24 Jun, 2012
Report Website: http://thyme.rand.apnic.net Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary ----------------
BGP routing table entries examined: 407774 Prefixes after maximum aggregation: 173161 Deaggregation factor: 2.35 Unique aggregates announced to Internet: 202243 Total ASes present in the Internet Routing Table: 38686 Prefixes per ASN: 10.54 Origin-only ASes present in the Internet Routing Table: 33352 Origin ASes announcing only one prefix: 15699 Transit ASes present in the Internet Routing Table: 5334 Transit-only ASes present in the Internet Routing Table: 120 Average AS path length visible in the Internet Routing Table: 3.6 Max AS path length visible: 26 Max AS path prepend of ASN ( 51742) 24 Prefixes from unregistered ASNs in the Routing Table: 1135 Unregistered ASNs in the Routing Table: 209 Number of 32-bit ASNs allocated by the RIRs: 2888 Number of 32-bit ASNs visible in the Routing Table: 0 Prefixes from 32-bit ASNs in the Routing Table: 6400 Special use prefixes present in the Routing Table: 8 Prefixes being announced from unallocated address space: 268 Number of addresses announced to Internet: 2587981056 Equivalent to 154 /8s, 65 /16s and 117 /24s Percentage of available address space announced: 69.8 Percentage of allocated address space announced: 69.9 Percentage of available address space allocated: 99.9 Percentage of address space in use by end-sites: 93.0 Total number of prefixes smaller than registry allocations: 140734
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 95091 Total APNIC prefixes after maximum aggregation: 31181 APNIC Deaggregation factor: 3.05 Prefixes being announced from the APNIC address blocks: 96110 Unique aggregates announced from the APNIC address blocks: 41937 APNIC Region origin ASes present in the Internet Routing Table: 4667 APNIC Prefixes per ASN: 20.59 APNIC Region origin ASes announcing only one prefix: 1272 APNIC Region transit ASes present in the Internet Routing Table: 722 Average APNIC Region AS path length visible: 4.1 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: 701299968 Equivalent to 41 /8s, 204 /16s and 253 /24s Percentage of available APNIC address space announced: 82.0
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431 (pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319, 58368-59391, 131072-133119 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, 150/8, 153/8, 163/8, 171/8, 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: 150731 Total ARIN prefixes after maximum aggregation: 76767 ARIN Deaggregation factor: 1.96 Prefixes being announced from the ARIN address blocks: 151623 Unique aggregates announced from the ARIN address blocks: 68079 ARIN Region origin ASes present in the Internet Routing Table: 15110 ARIN Prefixes per ASN: 10.03 ARIN Region origin ASes announcing only one prefix: 5747 ARIN Region transit ASes present in the Internet Routing Table: 1516 Average ARIN Region AS path length visible: 3.3 Max ARIN Region AS path length visible: 19 Number of ARIN region 32-bit ASNs visible in the Routing Table: 0 Number of ARIN addresses announced to Internet: 1080686848 Equivalent to 64 /8s, 105 /16s and 249 /24s Percentage of available ARIN address space announced: 57.2
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, 128/8, 129/8, 130/8, 131/8, 132/8, 134/8, 135/8, 136/8, 137/8, 138/8, 139/8, 140/8, 142/8, 143/8, 144/8, 146/8, 147/8, 148/8, 149/8, 152/8, 155/8, 156/8, 157/8, 158/8, 159/8, 160/8, 161/8, 162/8, 164/8, 165/8, 166/8, 167/8, 168/8, 169/8, 170/8, 172/8, 173/8, 174/8, 184/8, 192/8, 198/8, 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: 103751 Total RIPE prefixes after maximum aggregation: 54785 RIPE Deaggregation factor: 1.89 Prefixes being announced from the RIPE address blocks: 105855 Unique aggregates announced from the RIPE address blocks: 66750 RIPE Region origin ASes present in the Internet Routing Table: 16615 RIPE Prefixes per ASN: 6.37 RIPE Region origin ASes announcing only one prefix: 8073 RIPE Region transit ASes present in the Internet Routing Table: 2613 Average RIPE Region AS path length visible: 3.5 Max RIPE Region AS path length visible: 26 Number of RIPE region 32-bit ASNs visible in the Routing Table: 0 Number of RIPE addresses announced to Internet: 631857152 Equivalent to 37 /8s, 169 /16s and 96 /24s Percentage of available RIPE address space announced: 91.9
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 59392-61439, 196608-199679 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, 141/8, 145/8, 151/8, 176/8, 178/8, 185/8, 188/8, 193/8, 194/8, 195/8, 212/8, 213/8, 217/8,
LACNIC Region Analysis Summary ------------------------------
Prefixes being announced by LACNIC Region ASes: 41653 Total LACNIC prefixes after maximum aggregation: 8210 LACNIC Deaggregation factor: 5.07 Prefixes being announced from the LACNIC address blocks: 44143 Unique aggregates announced from the LACNIC address blocks: 21930 LACNIC Region origin ASes present in the Internet Routing Table: 1594 LACNIC Prefixes per ASN: 27.69 LACNIC Region origin ASes announcing only one prefix: 441 LACNIC Region transit ASes present in the Internet Routing Table: 299 Average LACNIC Region AS path length visible: 3.9 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: 110980096 Equivalent to 6 /8s, 157 /16s and 108 /24s Percentage of available LACNIC address space announced: 66.1
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, 191/8, 200/8, 201/8,
AfriNIC Region Analysis Summary -------------------------------
Prefixes being announced by AfriNIC Region ASes: 9320 Total AfriNIC prefixes after maximum aggregation: 2160 AfriNIC Deaggregation factor: 4.31 Prefixes being announced from the AfriNIC address blocks: 9774 Unique aggregates announced from the AfriNIC address blocks: 3305 AfriNIC Region origin ASes present in the Internet Routing Table: 546 AfriNIC Prefixes per ASN: 17.90 AfriNIC Region origin ASes announcing only one prefix: 166 AfriNIC Region transit ASes present in the Internet Routing Table: 122 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: 40485376 Equivalent to 2 /8s, 105 /16s and 194 /24s Percentage of available AfriNIC address space announced: 40.2
AfriNIC AS Blocks 36864-37887, 327680-328703 & ERX transfers AfriNIC Address Blocks 41/8, 102/8, 105/8, 154/8, 196/8, 197/8,
APNIC Region per AS prefix count summary ----------------------------------------
ASN No of nets /20 equiv MaxAgg Description 4766 1998 11107 758 Korea Telecom (KIX) 17974 1858 533 80 PT Telekomunikasi Indonesia 7545 1687 301 88 TPG Internet Pty Ltd 4755 1570 384 151 TATA Communications formerly 9829 1300 1085 28 National Internet Backbone 9583 1174 89 512 Sify Limited 7552 1053 1062 11 Vietel Corporation 24560 1035 385 165 Bharti Airtel Ltd., Telemedia 9498 966 291 63 BHARTI Airtel Ltd. 4808 955 1944 284 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 3401 3791 190 BellSouth.net Inc. 7029 3269 1016 169 Windstream Communications Inc 18566 2092 382 181 Covad Communications Co. 1785 1925 681 132 PaeTec Communications, Inc. 22773 1652 2911 121 Cox Communications Inc. 20115 1645 1570 613 Charter Communications 4323 1568 1059 384 tw telecom holdings, inc. 30036 1439 269 763 Mediacom Communications Corp 7018 1232 10046 829 AT&T Services, Inc. 11492 1189 216 356 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 8402 1663 544 16 Corbina telecom 2118 1255 97 14 EUnet/RELCOM Autonomous Syste 12479 753 721 93 France Telecom Espana SA 34984 712 189 174 BILISIM TELEKOM 31148 686 37 9 FreeNet ISP 6830 683 2234 435 UPC Broadband 20940 650 214 518 Akamai Technologies European 9116 512 326 31 Goldenlines main autonomous s 13188 509 100 10 Ukraine 8551 503 364 61 Bezeq International
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 1966 342 205 Types of queries are: POCs, o 28573 1953 1211 54 Types of queries are: POCs, o 6503 1522 418 67 Axtel, S.A.B. de C.V. 7303 1440 901 195 Telecom Argentina S.A. 8151 1339 3049 331 Uninet S.A. de C.V. 26615 903 728 33 Tim Celular S.A. 27947 682 74 87 Telconet S.A 11172 648 107 75 Alestra, S. de R.L. de C.V. 3816 589 245 94 Types of queries are: POCs, o 22047 583 326 15 Types of queries are: POCs, o
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 1275 958 13 TEDATA 24863 857 274 32 LINKdotNET AS number 6713 499 649 18 Itissalat Al-MAGHRIB 24835 321 80 8 RAYA Telecom - Egypt 3741 262 905 223 The Internet Solution 33776 209 12 21 Starcomms Nigeria Limited 12258 197 28 62 Vodacom Internet Company 29975 167 571 19 Vodacom 16637 160 664 88 MTN Network Solutions 29571 157 15 16 Ci Telecom Autonomous system
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 3401 3791 190 BellSouth.net Inc. 7029 3269 1016 169 Windstream Communications Inc 18566 2092 382 181 Covad Communications Co. 4766 1998 11107 758 Korea Telecom (KIX) 10620 1966 342 205 Types of queries are: POCs, o 28573 1953 1211 54 Types of queries are: POCs, o 1785 1925 681 132 PaeTec Communications, Inc. 17974 1858 533 80 PT Telekomunikasi Indonesia 7545 1687 301 88 TPG Internet Pty Ltd 8402 1663 544 16 Corbina telecom
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 3269 3100 Windstream Communications Inc 18566 2092 1911 Covad Communications Co. 28573 1953 1899 Types of queries are: POCs, o 1785 1925 1793 PaeTec Communications, Inc. 17974 1858 1778 PT Telekomunikasi Indonesia 10620 1966 1761 Types of queries are: POCs, o 8402 1663 1647 Corbina telecom 7545 1687 1599 TPG Internet Pty Ltd 22773 1652 1531 Cox Communications Inc. 6503 1522 1455 Axtel, S.A.B. de C.V.
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. 16504 UNALLOCATED 12.18.155.0/24 30170 Optic Fusion 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. 19577 UNALLOCATED 12.41.188.0/24 7832 WW/Precision Communi 13317 UNALLOCATED 12.44.10.0/24 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 27.112.114.0/24 23884 Proimage Engineering and Comm 46.96.0.0/22 31733 Link Telecom PJSC
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 /9:13 /10:29 /11:83 /12:236 /13:460 /14:831 /15:1505 /16:12235 /17:6329 /18:10618 /19:20680 /20:29443 /21:30894 /22:40358 /23:38330 /24:215138 /25:11 /26:20 /27:19 /28:148 /29:149 /30:84 /31:0 /32:141
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 7029 2628 3269 Windstream Communications Inc 18566 2041 2092 Covad Communications Co. 6389 1874 3401 BellSouth.net Inc. 30036 1378 1439 Mediacom Communications Corp 8402 1361 1663 Corbina telecom 11492 1152 1189 CABLE ONE, INC. 22773 1084 1652 Cox Communications Inc. 6503 1058 1522 Axtel, S.A.B. de C.V. 8452 1040 1275 TEDATA 1785 1036 1925 PaeTec Communications, Inc.
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global) ----------------------------------------------
1:562 2:707 3:1 4:13 5:44 6:3 8:428 12:1982 13:1 14:618 15:12 16:3 17:5 20:24 23:184 24:1779 27:1309 31:1006 32:51 33:2 34:2 36:9 37:590 38:810 39:1 40:127 41:3140 42:139 44:3 46:1453 47:2 49:415 50:558 52:13 54:12 55:8 56:1 57:39 58:927 59:500 60:253 61:1121 62:998 63:2033 64:4244 65:2248 66:4453 67:2022 68:1155 69:3186 70:981 71:504 72:1830 74:2604 75:474 76:330 77:942 78:969 79:493 80:1220 81:944 82:660 83:527 84:495 85:1178 86:425 87:935 88:326 89:1715 90:298 91:4958 92:574 93:1396 94:1596 95:1219 96:367 97:317 98:896 99:36 100:17 101:248 103:1183 106:103 107:186 108:319 109:1413 110:770 111:923 112:410 113:608 114:634 115:813 116:926 117:711 118:899 119:1196 120:339 121:676 122:1639 123:1094 124:1331 125:1242 128:529 129:192 130:249 131:628 132:282 133:22 134:234 135:61 136:214 137:233 138:333 139:181 140:464 141:252 142:418 143:333 144:512 145:76 146:501 147:291 148:751 149:313 150:157 151:181 152:471 153:175 154:16 155:452 156:222 157:336 158:190 159:544 160:335 161:244 162:350 163:181 164:635 165:409 166:587 167:475 168:908 169:126 170:880 171:137 172:5 173:1775 174:622 175:426 176:546 177:843 178:1528 180:1246 181:98 182:998 183:228 184:520 185:1 186:2371 187:1135 188:1349 189:1856 190:5631 192:5969 193:5547 194:4541 195:3423 196:1223 197:160 198:3621 199:4747 200:5811 201:1957 202:8414 203:8465 204:4262 205:2517 206:2715 207:2728 208:4037 209:3587 210:2717 211:1529 212:2036 213:1928 214:872 215:82 216:5074 217:1566 218:540 219:305 220:1238 221:556 222:285 223:343
End of report
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