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Routing Table Report 08:00 +10GMT Sat 29 Oct, 2011
Report Website: http://thyme.rand.apnic.net Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary ----------------
BGP routing table entries examined: 372793 Prefixes after maximum aggregation: 164263 Deaggregation factor: 2.27 Unique aggregates announced to Internet: 186064 Total ASes present in the Internet Routing Table: 37469 Prefixes per ASN: 9.95 Origin-only ASes present in the Internet Routing Table: 32322 Origin ASes announcing only one prefix: 15508 Transit ASes present in the Internet Routing Table: 5147 Transit-only ASes present in the Internet Routing Table: 130 Average AS path length visible in the Internet Routing Table: 3.6 Max AS path length visible: 27 Max AS path prepend of ASN (51310) 25 Prefixes from unregistered ASNs in the Routing Table: 2320 Unregistered ASNs in the Routing Table: 913 Number of 32-bit ASNs allocated by the RIRs: 1911 Number of 32-bit ASNs visible in the Routing Table: 0 Prefixes from 32-bit ASNs in the Routing Table: 3615 Special use prefixes present in the Routing Table: 6 Prefixes being announced from unallocated address space: 94 Number of addresses announced to Internet: 2505628928 Equivalent to 149 /8s, 88 /16s and 221 /24s Percentage of available address space announced: 67.6 Percentage of allocated address space announced: 67.6 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 91.5 Total number of prefixes smaller than registry allocations: 155197
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 89616 Total APNIC prefixes after maximum aggregation: 29684 APNIC Deaggregation factor: 3.02 Prefixes being announced from the APNIC address blocks: 87013 Unique aggregates announced from the APNIC address blocks: 38092 APNIC Region origin ASes present in the Internet Routing Table: 4547 APNIC Prefixes per ASN: 19.14 APNIC Region origin ASes announcing only one prefix: 1283 APNIC Region transit ASes present in the Internet Routing Table: 692 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: 628945920 Equivalent to 37 /8s, 124 /16s and 244 /24s Percentage of available APNIC address space announced: 79.8
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: 144145 Total ARIN prefixes after maximum aggregation: 73945 ARIN Deaggregation factor: 1.95 Prefixes being announced from the ARIN address blocks: 116536 Unique aggregates announced from the ARIN address blocks: 48306 ARIN Region origin ASes present in the Internet Routing Table: 14668 ARIN Prefixes per ASN: 7.94 ARIN Region origin ASes announcing only one prefix: 5651 ARIN Region transit ASes present in the Internet Routing Table: 1491 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: 804733696 Equivalent to 47 /8s, 247 /16s and 67 /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: 91375 Total RIPE prefixes after maximum aggregation: 50779 RIPE Deaggregation factor: 1.80 Prefixes being announced from the RIPE address blocks: 83973 Unique aggregates announced from the RIPE address blocks: 54258 RIPE Region origin ASes present in the Internet Routing Table: 16056 RIPE Prefixes per ASN: 5.23 RIPE Region origin ASes announcing only one prefix: 7968 RIPE Region transit ASes present in the Internet Routing Table: 2515 Average RIPE Region AS path length visible: 3.4 Max RIPE Region AS path length visible: 27 Number of RIPE region 32-bit ASNs visible in the Routing Table: 0 Number of RIPE addresses announced to Internet: 491226112 Equivalent to 29 /8s, 71 /16s and 132 /24s Percentage of available RIPE address space announced: 79.1
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: 34925 Total LACNIC prefixes after maximum aggregation: 7823 LACNIC Deaggregation factor: 4.46 Prefixes being announced from the LACNIC address blocks: 34516 Unique aggregates announced from the LACNIC address blocks: 18141 LACNIC Region origin ASes present in the Internet Routing Table: 1527 LACNIC Prefixes per ASN: 22.60 LACNIC Region origin ASes announcing only one prefix: 448 LACNIC Region transit ASes present in the Internet Routing Table: 267 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: 92646656 Equivalent to 5 /8s, 133 /16s and 173 /24s Percentage of available LACNIC address space announced: 61.4
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: 8439 Total AfriNIC prefixes after maximum aggregation: 1955 AfriNIC Deaggregation factor: 4.32 Prefixes being announced from the AfriNIC address blocks: 6635 Unique aggregates announced from the AfriNIC address blocks: 1973 AfriNIC Region origin ASes present in the Internet Routing Table: 496 AfriNIC Prefixes per ASN: 13.38 AfriNIC Region origin ASes announcing only one prefix: 158 AfriNIC Region transit ASes present in the Internet Routing Table: 109 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: 27891200 Equivalent to 1 /8s, 169 /16s and 150 /24s Percentage of available AfriNIC address space announced: 41.6
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 1941 11088 658 Korea Telecom (KIX) 7545 1610 303 86 TPG Internet Pty Ltd 17974 1606 511 36 PT Telekomunikasi Indonesia 4755 1533 377 174 TATA Communications formerly 9829 1166 989 28 National Internet Backbone 9583 1091 80 499 Sify Limited 7552 987 1062 11 Vietel Corporation 4808 975 2009 278 CNCGROUP IP network China169 24560 964 342 218 Bharti Airtel Ltd., Telemedia 18101 954 166 150 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 3546 3815 221 BellSouth.net Inc. 7029 2365 1042 210 Windstream Communications Inc 18566 2096 382 176 Covad Communications Co. 1785 1844 680 122 PaeTec Communications, Inc. 4323 1623 1094 389 tw telecom holdings, inc. 20115 1594 1546 620 Charter Communications 22773 1458 2907 100 Cox Communications Inc. 19262 1395 4728 400 Verizon Online LLC 30036 1392 252 670 Mediacom Communications Corp 7018 1323 7063 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 1418 352 13 Corbina telecom 6830 649 1927 412 UPC Broadband 34984 589 108 179 BILISIM TELEKOM 20940 545 182 421 Akamai Technologies European 9116 540 326 31 Goldenlines main autonomous s 3320 506 8169 386 Deutsche Telekom AG 3292 480 2074 407 TDC Data Networks 12479 479 596 9 France Telecom Espana SA 8866 460 133 26 Bulgarian Telecommunication C 8551 404 355 38 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 1699 314 156 Types of queries are: POCs, o 28573 1459 1040 72 Types of queries are: POCs, o 8151 1280 2908 343 Uninet S.A. de C.V. 7303 1231 748 177 Telecom Argentina S.A. 22047 580 322 17 Types of queries are: POCs, o 27947 577 72 84 Telconet S.A 6503 560 450 70 Axtel, S.A.B. de C.V. 7738 552 1050 31 Telecomunicacoes da Bahia S.A 3816 540 233 95 Types of queries are: POCs, o 11172 524 102 97 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 797 146 33 LINKdotNET AS number 8452 651 446 12 TEDATA 15475 454 74 8 Nile Online 36992 300 415 21 Etisalat MISR 3741 280 939 229 The Internet Solution 6713 244 519 14 Itissalat Al-MAGHRIB 15706 240 32 6 Sudatel Internet Exchange Aut 33776 240 13 8 Starcomms Nigeria Limited 29571 218 17 13 Ci Telecom Autonomous system 12258 197 28 58 Vodacom Internet Company
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 3546 3815 221 BellSouth.net Inc. 7029 2365 1042 210 Windstream Communications Inc 18566 2096 382 176 Covad Communications Co. 4766 1941 11088 658 Korea Telecom (KIX) 1785 1844 680 122 PaeTec Communications, Inc. 10620 1699 314 156 Types of queries are: POCs, o 4323 1623 1094 389 tw telecom holdings, inc. 7545 1610 303 86 TPG Internet Pty Ltd 17974 1606 511 36 PT Telekomunikasi Indonesia 20115 1594 1546 620 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 2365 2155 Windstream Communications Inc 18566 2096 1920 Covad Communications Co. 1785 1844 1722 PaeTec Communications, Inc. 17974 1606 1570 PT Telekomunikasi Indonesia 10620 1699 1543 Types of queries are: POCs, o 7545 1610 1524 TPG Internet Pty Ltd 8402 1418 1405 Corbina telecom 28573 1459 1387 Types of queries are: POCs, o 4755 1533 1359 TATA Communications formerly 22773 1458 1358 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 * 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 41.79.132.0/23 30969 Zimbabwe OnLine 41.79.132.0/22 30969 Zimbabwe OnLine 41.79.134.0/23 30969 Zimbabwe OnLine 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 /8:20 /9:12 /10:27 /11:81 /12:236 /13:465 /14:807 /15:1422 /16:11966 /17:6054 /18:10024 /19:20037 /20:27495 /21:27442 /22:36842 /23:34804 /24:194544 /25:12 /26:21 /27:20 /28:153 /29:120 /30:61 /31:0 /32:128
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 6389 2185 3546 BellSouth.net Inc. 18566 2046 2096 Covad Communications Co. 7029 2019 2365 Windstream Communications Inc 10620 1594 1699 Types of queries are: POCs, o 8402 1394 1418 Corbina telecom 30036 1353 1392 Mediacom Communications Corp 11492 1117 1154 CABLE ONE, INC. 1785 1056 1844 PaeTec Communications, Inc. 7011 1050 1168 Frontier Communications of Am 22773 946 1458 Cox Communications Inc.
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global) ----------------------------------------------
1:411 2:466 4:15 5:1 6:3 8:357 12:1952 13:1 14:532 15:11 16:3 17:7 20:9 23:60 24:1677 27:967 31:620 32:56 33:2 34:2 36:4 38:751 40:110 41:2692 42:53 44:3 46:1007 47:3 49:288 50:439 52:13 55:5 56:2 57:39 58:839 59:489 60:360 61:1016 62:1089 63:1955 64:4020 65:2275 66:4257 67:1978 68:1147 69:3190 70:879 71:375 72:1803 74:2597 75:392 76:317 77:879 78:860 79:452 80:1133 81:838 82:507 83:529 84:619 85:1125 86:410 87:892 88:353 89:1604 90:237 91:4244 92:530 93:1520 94:1303 95:1039 96:428 97:283 98:914 99:37 101:100 103:406 106:70 107:78 108:72 109:1052 110:641 111:792 112:326 113:469 114:607 115:676 116:862 117:694 118:860 119:1214 120:337 121:681 122:1553 123:1016 124:1295 125:1304 128:209 129:167 130:157 131:622 132:138 133:21 134:212 135:54 136:211 137:137 138:286 139:119 140:466 141:308 142:371 143:419 144:492 145:63 146:455 147:216 148:618 149:266 150:160 151:194 152:444 153:178 154:6 155:388 156:205 157:326 158:154 159:415 160:330 161:204 162:336 163:163 164:507 165:368 166:373 167:437 168:733 169:144 170:873 171:85 172:4 173:1695 174:644 175:406 176:277 177:352 178:1053 180:1111 181:36 182:638 183:213 184:382 185:1 186:1300 187:714 188:951 189:871 190:5124 192:5863 193:5034 194:3556 195:3111 196:1191 197:165 198:3560 199:4132 200:5445 201:1684 202:8242 203:8394 204:4229 205:2341 206:2584 207:2756 208:4014 209:3548 210:2638 211:1450 212:2101 213:1776 214:792 215:96 216:4895 217:1603 218:554 219:337 220:1210 221:499 222:295 223:267
End of report
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