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Routing Table Report 08:00 +10GMT Sat 01 Oct, 2011
Report Website: http://thyme.rand.apnic.net Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary ----------------
BGP routing table entries examined: 369199 Prefixes after maximum aggregation: 166751 Deaggregation factor: 2.21 Unique aggregates announced to Internet: 185203 Total ASes present in the Internet Routing Table: 37305 Prefixes per ASN: 9.90 Origin-only ASes present in the Internet Routing Table: 32202 Origin ASes announcing only one prefix: 15473 Transit ASes present in the Internet Routing Table: 5103 Transit-only ASes present in the Internet Routing Table: 124 Average AS path length visible in the Internet Routing Table: 3.6 Max AS path length visible: 31 Max AS path prepend of ASN (51310) 23 Prefixes from unregistered ASNs in the Routing Table: 2225 Unregistered ASNs in the Routing Table: 874 Number of 32-bit ASNs allocated by the RIRs: 1802 Number of 32-bit ASNs visible in the Routing Table: 0 Prefixes from 32-bit ASNs in the Routing Table: 3345 Special use prefixes present in the Routing Table: 6 Prefixes being announced from unallocated address space: 101 Number of addresses announced to Internet: 2498675968 Equivalent to 148 /8s, 238 /16s and 197 /24s Percentage of available address space announced: 67.4 Percentage of allocated address space announced: 67.4 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 91.4 Total number of prefixes smaller than registry allocations: 153303
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 89066 Total APNIC prefixes after maximum aggregation: 29481 APNIC Deaggregation factor: 3.02 Prefixes being announced from the APNIC address blocks: 86490 Unique aggregates announced from the APNIC address blocks: 37992 APNIC Region origin ASes present in the Internet Routing Table: 4518 APNIC Prefixes per ASN: 19.14 APNIC Region origin ASes announcing only one prefix: 1269 APNIC Region transit ASes present in the Internet Routing Table: 684 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: 627786240 Equivalent to 37 /8s, 107 /16s and 66 /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: 142762 Total ARIN prefixes after maximum aggregation: 73507 ARIN Deaggregation factor: 1.94 Prefixes being announced from the ARIN address blocks: 115207 Unique aggregates announced from the ARIN address blocks: 48103 ARIN Region origin ASes present in the Internet Routing Table: 14618 ARIN Prefixes per ASN: 7.88 ARIN Region origin ASes announcing only one prefix: 5638 ARIN Region transit ASes present in the Internet Routing Table: 1489 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: 804634368 Equivalent to 47 /8s, 245 /16s and 191 /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: 90324 Total RIPE prefixes after maximum aggregation: 50349 RIPE Deaggregation factor: 1.79 Prefixes being announced from the RIPE address blocks: 83007 Unique aggregates announced from the RIPE address blocks: 54093 RIPE Region origin ASes present in the Internet Routing Table: 15993 RIPE Prefixes per ASN: 5.19 RIPE Region origin ASes announcing only one prefix: 7965 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: 31 Number of RIPE region 32-bit ASNs visible in the Routing Table: 0 Number of RIPE addresses announced to Internet: 490029568 Equivalent to 29 /8s, 53 /16s and 66 /24s Percentage of available RIPE address space announced: 78.9
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 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: 34442 Total LACNIC prefixes after maximum aggregation: 7721 LACNIC Deaggregation factor: 4.46 Prefixes being announced from the LACNIC address blocks: 33926 Unique aggregates announced from the LACNIC address blocks: 17982 LACNIC Region origin ASes present in the Internet Routing Table: 1516 LACNIC Prefixes per ASN: 22.38 LACNIC Region origin ASes announcing only one prefix: 448 LACNIC Region transit ASes present in the Internet Routing Table: 265 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: 89628928 Equivalent to 5 /8s, 87 /16s and 161 /24s Percentage of available LACNIC address space announced: 59.4
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: 8556 Total AfriNIC prefixes after maximum aggregation: 2009 AfriNIC Deaggregation factor: 4.26 Prefixes being announced from the AfriNIC address blocks: 6612 Unique aggregates announced from the AfriNIC address blocks: 1956 AfriNIC Region origin ASes present in the Internet Routing Table: 488 AfriNIC Prefixes per ASN: 13.55 AfriNIC Region origin ASes announcing only one prefix: 153 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: 27676416 Equivalent to 1 /8s, 166 /16s and 79 /24s Percentage of available AfriNIC address space announced: 41.2
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 1944 11040 655 Korea Telecom (KIX) 17974 1683 519 33 PT Telekomunikasi Indonesia 7545 1604 303 86 TPG Internet Pty Ltd 4755 1539 638 175 TATA Communications formerly 24560 1178 345 206 Bharti Airtel Ltd., Telemedia 9829 1157 989 28 National Internet Backbone 9583 1086 80 502 Sify Limited 7552 989 1062 11 Vietel Corporation 4808 959 2003 270 CNCGROUP IP network China169 18101 954 165 143 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 3557 3817 226 BellSouth.net Inc. 18566 1913 365 237 Covad Communications Co. 7029 1861 1033 207 Windstream Communications Inc 1785 1832 681 124 PaeTec Communications, Inc. 4323 1628 1098 392 tw telecom holdings, inc. 20115 1594 1542 635 Charter Communications 22773 1456 2907 100 Cox Communications Inc. 19262 1394 4728 400 Verizon Online LLC 30036 1389 252 665 Mediacom Communications Corp 7018 1352 7085 884 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 1174 352 13 Corbina telecom 34984 576 108 179 BILISIM TELEKOM 6830 556 1873 333 UPC Broadband 9116 540 326 31 Goldenlines main autonomous s 20940 531 178 409 Akamai Technologies European 3320 501 8169 383 Deutsche Telekom AG 3292 480 2082 409 TDC Data Networks 12479 476 593 7 France Telecom Espana SA 8866 458 133 26 Bulgarian Telecommunication C 29049 423 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 1353 1013 70 Types of queries are: POCs, o 8151 1268 2804 339 Uninet S.A. de C.V. 7303 1164 683 175 Telecom Argentina S.A. 14420 742 58 87 CORPORACION NACIONAL DE TELEC 22047 581 322 17 Types of queries are: POCs, o 27947 564 72 79 Telconet S.A 6503 562 450 69 Axtel, S.A.B. de C.V. 3816 537 232 99 Types of queries are: POCs, o 11172 520 101 94 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 810 147 35 LINKdotNET AS number 8452 664 445 11 TEDATA 15475 449 74 8 Nile Online 36992 292 415 14 Etisalat MISR 3741 276 938 229 The Internet Solution 15706 244 32 6 Sudatel Internet Exchange Aut 6713 242 519 14 Itissalat Al-MAGHRIB 33776 239 13 8 Starcomms Nigeria Limited 12258 199 28 59 Vodacom Internet Company 29571 192 17 11 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 3557 3817 226 BellSouth.net Inc. 4766 1944 11040 655 Korea Telecom (KIX) 18566 1913 365 237 Covad Communications Co. 7029 1861 1033 207 Windstream Communications Inc 1785 1832 681 124 PaeTec Communications, Inc. 17974 1683 519 33 PT Telekomunikasi Indonesia 10620 1681 310 155 Types of queries are: POCs, o 4323 1628 1098 392 tw telecom holdings, inc. 7545 1604 303 86 TPG Internet Pty Ltd 20115 1594 1542 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 1785 1832 1708 PaeTec Communications, Inc. 18566 1913 1676 Covad Communications Co. 7029 1861 1654 Windstream Communications Inc 17974 1683 1650 PT Telekomunikasi Indonesia 10620 1681 1526 Types of queries are: POCs, o 7545 1604 1518 TPG Internet Pty Ltd 4755 1539 1364 TATA Communications formerly 22773 1456 1356 Cox Communications Inc. 4766 1944 1289 Korea Telecom (KIX) 28573 1353 1283 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 /13:463 /14:801 /15:1417 /16:11946 /17:5970 /18:10001 /19:19930 /20:27025 /21:27077 /22:36429 /23:34539 /24:192702 /25:12 /26:20 /27:24 /28:156 /29:125 /30:59 /31:0 /32:127
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 6389 2193 3557 BellSouth.net Inc. 18566 1869 1913 Covad Communications Co. 10620 1576 1681 Types of queries are: POCs, o 7029 1540 1861 Windstream Communications Inc 30036 1350 1389 Mediacom Communications Corp 8402 1135 1174 Corbina telecom 11492 1113 1150 CABLE ONE, INC. 1785 1054 1832 PaeTec Communications, Inc. 7011 1052 1173 Frontier Communications of Am 22773 945 1456 Cox Communications Inc.
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global) ----------------------------------------------
1:381 2:386 4:15 5:1 6:3 8:351 12:1952 13:1 14:523 15:13 16:3 17:7 20:10 23:36 24:1683 27:958 31:564 32:60 33:4 34:2 36:4 38:741 40:108 41:2646 42:48 44:3 46:983 47:3 49:263 50:431 52:13 55:4 56:2 57:37 58:825 59:489 60:362 61:1020 62:1100 63:1927 64:4023 65:2302 66:3980 67:1950 68:1096 69:3196 70:823 71:377 72:1848 74:2462 75:355 76:340 77:882 78:823 79:489 80:1126 81:850 82:508 83:605 84:622 85:1118 86:414 87:882 88:354 89:1588 90:268 91:4149 92:534 93:1326 94:1320 95:932 96:432 97:277 98:906 99:37 101:84 103:331 106:70 107:59 108:47 109:1032 110:631 111:792 112:314 113:429 114:559 115:669 116:863 117:674 118:849 119:1192 120:332 121:666 122:1596 123:1005 124:1293 125:1334 128:206 129:172 130:159 131:576 132:104 133:21 134:204 135:54 136:211 137:136 138:288 139:119 140:474 141:291 142:370 143:411 144:479 145:63 146:465 147:215 148:619 149:263 150:148 151:193 152:444 153:177 154:5 155:385 156:204 157:330 158:150 159:397 160:321 161:196 162:333 163:167 164:507 165:373 166:536 167:434 168:733 169:145 170:865 171:85 172:1 173:1647 174:653 175:415 176:246 177:291 178:1033 180:1086 181:37 182:616 183:211 184:377 185:1 186:1489 187:676 188:924 189:842 190:5150 192:5873 193:5010 194:3528 195:3080 196:1255 197:175 198:3571 199:4098 200:5435 201:1638 202:8286 203:8352 204:4188 205:2337 206:2588 207:2756 208:4032 209:3440 210:2624 211:1456 212:2055 213:1777 214:781 215:85 216:4873 217:1594 218:552 219:327 220:1187 221:498 222:293 223:258
End of report
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