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Routing Table Report 00:00 GMT Sat 01 May, 2010
NB: RouteViews data includes iBGP information from some ASNs. Treat the information provided below appropriately.
Report Website: http://thyme.apnic.net Detailed Analysis: http://thyme.apnic.net/rviews/
Analysis Summary ----------------
BGP routing table entries examined: 324659 Prefixes after maximum aggregation: 147364 Deaggregation factor: 2.20 Unique aggregates announced to Internet: 155474 Total ASes present in the Internet Routing Table: 33960 Prefixes per ASN: 9.56 Origin-only ASes present in the Internet Routing Table: 29412 Origin ASes announcing only one prefix: 14323 Transit ASes present in the Internet Routing Table: 4548 Transit-only ASes present in the Internet Routing Table: 113 Average AS path length visible in the Internet Routing Table: 3.9 Max AS path length visible: 25 Max AS path prepend of ASN (36992) 22 Prefixes from unregistered ASNs in the Routing Table: 405 Unregistered ASNs in the Routing Table: 148 Number of 32-bit ASNs allocated by the RIRs: 543 Prefixes from 32-bit ASNs in the Routing Table: 4 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 194 Number of addresses announced to Internet: 2236663699 Equivalent to 133 /8s, 80 /16s and 199 /24s Percentage of available address space announced: 60.3 Percentage of allocated address space announced: 66.4 Percentage of available address space allocated: 90.9 Percentage of address space in use by end-sites: 82.4 Total number of prefixes smaller than registry allocations: 155961
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 77009 Total APNIC prefixes after maximum aggregation: 26215 APNIC Deaggregation factor: 2.94 Prefixes being announced from the APNIC address blocks: 73783 Unique aggregates announced from the APNIC address blocks: 32176 APNIC Region origin ASes present in the Internet Routing Table: 4020 APNIC Prefixes per ASN: 18.35 APNIC Region origin ASes announcing only one prefix: 1112 APNIC Region transit ASes present in the Internet Routing Table: 627 Average APNIC Region AS path length visible: 4.1 Max APNIC Region AS path length visible: 23 Number of APNIC addresses announced to Internet: 511621602 Equivalent to 30 /8s, 126 /16s and 185 /24s Percentage of available APNIC address space announced: 76.2
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, 43/8, 58/8, 59/8, 60/8, 61/8, 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: 135640 Total ARIN prefixes after maximum aggregation: 69474 ARIN Deaggregation factor: 1.95 Prefixes being announced from the ARIN address blocks: 107721 Unique aggregates announced from the ARIN address blocks: 40629 ARIN Region origin ASes present in the Internet Routing Table: 13675 ARIN Prefixes per ASN: 7.88 ARIN Region origin ASes announcing only one prefix: 5269 ARIN Region transit ASes present in the Internet Routing Table: 1388 Average ARIN Region AS path length visible: 3.7 Max ARIN Region AS path length visible: 22 Number of ARIN addresses announced to Internet: 726081057 Equivalent to 43 /8s, 71 /16s and 30 /24s Percentage of available ARIN address space announced: 61.8
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, 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, 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, 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: 76328 Total RIPE prefixes after maximum aggregation: 42988 RIPE Deaggregation factor: 1.78 Prefixes being announced from the RIPE address blocks: 69225 Unique aggregates announced from the RIPE address blocks: 43800 RIPE Region origin ASes present in the Internet Routing Table: 14443 RIPE Prefixes per ASN: 4.79 RIPE Region origin ASes announcing only one prefix: 7427 RIPE Region transit ASes present in the Internet Routing Table: 2185 Average RIPE Region AS path length visible: 3.6 Max RIPE Region AS path length visible: 20 Number of RIPE addresses announced to Internet: 423978420 Equivalent to 25 /8s, 69 /16s and 101 /24s Percentage of available RIPE address space announced: 79.0
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, 196608-197631 RIPE Address Blocks 2/8, 25/8, 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, 178/8, 193/8, 194/8, 195/8, 212/8, 213/8, 217/8,
LACNIC Region Analysis Summary ------------------------------
Prefixes being announced by LACNIC Region ASes: 28614 Total LACNIC prefixes after maximum aggregation: 6745 LACNIC Deaggregation factor: 4.24 Prefixes being announced from the LACNIC address blocks: 27021 Unique aggregates announced from the LACNIC address blocks: 13912 LACNIC Region origin ASes present in the Internet Routing Table: 1274 LACNIC Prefixes per ASN: 21.21 LACNIC Region origin ASes announcing only one prefix: 409 LACNIC Region transit ASes present in the Internet Routing Table: 222 Average LACNIC Region AS path length visible: 4.7 Max LACNIC Region AS path length visible: 21 Number of LACNIC addresses announced to Internet: 72799752 Equivalent to 4 /8s, 86 /16s and 214 /24s Percentage of available LACNIC address space announced: 72.3
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 262144-263167 plus ERX transfers LACNIC Address Blocks 186/8, 187/8, 189/8, 190/8, 200/8, 201/8,
AfriNIC Region Analysis Summary -------------------------------
Prefixes being announced by AfriNIC Region ASes: 6794 Total AfriNIC prefixes after maximum aggregation: 1807 AfriNIC Deaggregation factor: 3.76 Prefixes being announced from the AfriNIC address blocks: 5187 Unique aggregates announced from the AfriNIC address blocks: 1465 AfriNIC Region origin ASes present in the Internet Routing Table: 359 AfriNIC Prefixes per ASN: 14.45 AfriNIC Region origin ASes announcing only one prefix: 106 AfriNIC Region transit ASes present in the Internet Routing Table: 78 Average AfriNIC Region AS path length visible: 4.2 Max AfriNIC Region AS path length visible: 25 Number of AfriNIC addresses announced to Internet: 14554368 Equivalent to 0 /8s, 222 /16s and 21 /24s Percentage of available AfriNIC address space announced: 43.4
AfriNIC AS Blocks 36864-37887, 327680-328703 & ERX transfers AfriNIC Address Blocks 41/8, 197/8,
APNIC Region per AS prefix count summary ----------------------------------------
ASN No of nets /20 equiv MaxAgg Description 4766 1686 8405 475 Korea Telecom (KIX) 17488 1294 137 124 Hathway IP Over Cable Interne 4755 1290 291 146 Videsh Sanchar Nigam Ltd. Aut 7545 1168 231 103 TPG Internet Pty Ltd 17974 1013 281 18 PT TELEKOMUNIKASI INDONESIA 9583 992 73 488 Sify Limited 4134 918 20454 398 CHINANET-BACKBONE 24560 888 304 170 Bharti Airtel Ltd. 4808 813 1518 203 CNCGROUP IP network: China169 9829 808 680 36 BSNL National Internet Backbo
Complete listing at http://thyme.apnic.net/rviews/data-ASnet-APNIC
ARIN Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 6389 3975 3837 292 bellsouth.net, inc. 4323 3832 1116 405 Time Warner Telecom 1785 1785 699 131 AppliedTheory Corporation 20115 1598 1503 654 Charter Communications 7018 1540 5763 975 AT&T WorldNet Services 2386 1307 569 932 AT&T Data Communications Serv 3356 1233 10921 424 Level 3 Communications, LLC 6478 1212 249 146 AT&T Worldnet Services 22773 1148 2605 71 Cox Communications, Inc. 11492 1146 222 14 Cable One
Complete listing at http://thyme.apnic.net/rviews/data-ASnet-ARIN
RIPE Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 35805 617 56 6 United Telecom AS 9116 536 296 31 Goldenlines main autonomous s 3292 470 1899 391 TDC Tele Danmark 30890 436 99 203 Evolva Telecom 3216 428 133 30 Teleross, Moscow, Russia 702 416 1870 332 UUNET - Commercial IP service 8551 401 356 37 Bezeq International 8866 396 117 18 Bulgarian Telecommunication C 3301 367 1414 322 TeliaNet Sweden 3320 365 7072 318 Deutsche Telekom AG
Complete listing at http://thyme.apnic.net/rviews/data-ASnet-RIPE
LACNIC Region per AS prefix count summary -----------------------------------------
ASN No of nets /20 equiv MaxAgg Description 8151 1596 2965 241 Uninet S.A. de C.V. 10620 1014 229 155 TVCABLE BOGOTA 28573 931 739 92 Types of queries are: POCs, o 7303 720 372 104 Telecom Argentina Stet-France 6503 549 171 212 AVANTEL, S.A. 22047 546 310 15 Types of queries are: POCs, o 18881 543 268 11 Global Village Telecom 7738 477 922 30 Telecomunicacoes da Bahia S.A 11830 477 308 49 Instituto Costarricense de El 3816 460 195 69 COLOMBIA TELECOMUNICACIONES S
Complete listing at http://thyme.apnic.net/rviews/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary ------------------------------------------
ASN No of nets /20 equiv MaxAgg Description 8452 1020 189 9 TEDATA 24863 722 147 42 LINKdotNET AS number 36992 629 273 172 Etisalat MISR 3741 274 852 232 The Internet Solution 2018 214 230 111 TENET-1 33776 205 11 15 Starcomms Nigeria Limited 6713 176 167 12 Itissalat Al-MAGHRIB 29571 172 19 9 Ci Telecom Autonomous system 29975 133 506 14 Vodacom 5536 114 8 3 Internet Egypt Network
Complete listing at http://thyme.apnic.net/rviews/data-ASnet-AFRINIC
Global Per AS prefix count summary ----------------------------------
ASN No of nets /20 equiv MaxAgg Description 6389 3975 3837 292 bellsouth.net, inc. 4323 3832 1116 405 Time Warner Telecom 1785 1785 699 131 AppliedTheory Corporation 4766 1686 8405 475 Korea Telecom (KIX) 20115 1598 1503 654 Charter Communications 8151 1596 2965 241 Uninet S.A. de C.V. 7018 1540 5763 975 AT&T WorldNet Services 2386 1307 569 932 AT&T Data Communications Serv 17488 1294 137 124 Hathway IP Over Cable Interne 4755 1290 291 146 Videsh Sanchar Nigam Ltd. Aut
Complete listing at http://thyme.apnic.net/rviews/data-ASnet
Global Per AS Maximum Aggr summary ----------------------------------
ASN No of nets Net Savings Description 4323 3832 3427 Time Warner Telecom 1785 1785 1654 AppliedTheory Corporation 8151 1596 1355 Uninet S.A. de C.V. 4766 1686 1211 Korea Telecom (KIX) 17488 1294 1170 Hathway IP Over Cable Interne 4755 1290 1144 Videsh Sanchar Nigam Ltd. Aut 11492 1146 1132 Cable One 22773 1148 1077 Cox Communications, Inc. 6478 1212 1066 AT&T Worldnet Services 7545 1168 1065 TPG Internet Pty Ltd
Complete listing at http://thyme.apnic.net/rviews/data-CIDRnet
List of Unregistered Origin ASNs (Global) -----------------------------------------
Bad AS Designation Network Transit AS Description 16927 UNALLOCATED 12.0.252.0/23 7018 AT&T WorldNet Servic 15132 UNALLOCATED 12.9.150.0/24 7018 AT&T WorldNet Servic 32567 UNALLOCATED 12.14.170.0/24 7018 AT&T WorldNet Servic 13746 UNALLOCATED 12.24.56.0/24 7018 AT&T WorldNet Servic 32567 UNALLOCATED 12.25.107.0/24 7018 AT&T WorldNet Servic 26973 UNALLOCATED 12.39.152.0/24 1239 Sprint 26973 UNALLOCATED 12.39.154.0/23 1239 Sprint 26973 UNALLOCATED 12.39.155.0/24 1239 Sprint 26973 UNALLOCATED 12.39.159.0/24 1239 Sprint 25639 UNALLOCATED 12.41.169.0/24 7018 AT&T WorldNet Servic
Complete listing at http://thyme.apnic.net/rviews/data-badAS
Advertised Unallocated Addresses --------------------------------
Network Origin AS Description 2.80.0.0/14 3243 PT.Com - Comunicacoes Interac 14.0.0.0/8 237 Merit Network 41.190.66.0/24 37039 Alink Telecom Benin 41.202.96.0/19 29571 Ci Telecom Autonomous system 41.222.79.0/24 36938 Amsco Telecommunications Nige 41.223.92.0/22 36936 >>UNKNOWN<< 41.223.188.0/24 22351 Intelsat 41.223.189.0/24 22351 Intelsat 41.223.196.0/24 36990 Alkan Telecom Ltd 41.223.197.0/24 36990 Alkan Telecom Ltd
Complete listing at http://thyme.apnic.net/rviews/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 /9:10 /10:25 /11:66 /12:192 /13:397 /14:689 /15:1263 /16:11091 /17:5369 /18:9075 /19:18611 /20:22925 /21:22899 /22:29667 /23:29386 /24:169051 /25:604 /26:928 /27:321 /28:462 /29:735 /30:534 /31:3 /32:334
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 6389 2549 3975 bellsouth.net, inc. 4323 2336 3832 Time Warner Telecom 4766 1324 1686 Korea Telecom (KIX) 1785 1246 1785 AppliedTheory Corporation 11492 1055 1146 Cable One 17488 1045 1294 Hathway IP Over Cable Interne 18566 1040 1059 Covad Communications 7018 933 1540 AT&T WorldNet Services 10620 930 1014 TVCABLE BOGOTA 8452 919 1020 TEDATA
Complete listing at http://thyme.apnic.net/rviews/data-sXXas-nos
Number of /24s announced per /8 block (Global) ----------------------------------------------
4:13 8:262 12:2008 13:10 15:23 16:3 17:8 20:25 24:1446 27:54 32:138 33:12 38:663 40:97 41:2132 44:3 46:1 47:25 52:6 55:4 56:2 57:36 58:697 59:528 60:431 61:1048 62:1060 63:1999 64:3870 65:2373 66:4224 67:1828 68:1065 69:2814 70:708 71:253 72:1848 73:2 74:2281 75:248 76:307 77:850 78:636 79:421 80:998 81:800 82:488 83:458 84:727 85:1081 86:464 87:781 88:329 89:1730 90:87 91:2773 92:484 93:1122 94:1407 95:593 96:245 97:312 98:556 99:26 109:461 110:328 111:508 112:257 113:283 114:393 115:598 116:1016 117:636 118:428 119:923 120:153 121:786 122:1438 123:882 124:1126 125:1295 128:212 129:208 130:196 131:563 132:246 133:17 134:197 135:44 136:227 137:171 138:253 139:103 140:388 141:136 142:362 143:383 144:467 145:53 146:427 147:167 148:586 149:318 150:151 151:169 152:263 153:168 154:2 155:325 156:184 157:328 158:107 159:368 160:315 161:204 162:269 163:165 164:409 165:531 166:504 167:400 168:803 169:161 170:699 171:50 172:1 173:674 174:659 175:86 178:69 180:445 182:43 183:251 184:37 186:336 187:317 188:1343 189:757 190:3663 192:5776 193:4701 194:3422 195:2923 196:1145 197:1 198:3584 199:3434 200:5326 201:1524 202:8111 203:8346 204:4051 205:2348 206:2544 207:3036 208:3945 209:3482 210:2524 211:1261 212:1792 213:1730 214:656 215:70 216:4606 217:1562 218:508 219:413 220:1105 221:381 222:330
End of report
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