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[bgp-stats] Routing Table Report - RouteViews-3 view
Routing Table Report 00:00 GMT Fri 28 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: 324304 Prefixes after maximum aggregation: 147813 Deaggregation factor: 2.19 Unique aggregates announced to Internet: 156747 Total ASes present in the Internet Routing Table: 34161 Prefixes per ASN: 9.49 Origin-only ASes present in the Internet Routing Table: 29508 Origin ASes announcing only one prefix: 14373 Transit ASes present in the Internet Routing Table: 4653 Transit-only ASes present in the Internet Routing Table: 115 Average AS path length visible in the Internet Routing Table: 3.9 Max AS path length visible: 34 Max AS path prepend of ASN (48687) 24 Prefixes from unregistered ASNs in the Routing Table: 411 Unregistered ASNs in the Routing Table: 139 Number of 32-bit ASNs allocated by the RIRs: 589 Prefixes from 32-bit ASNs in the Routing Table: 31 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 171 Number of addresses announced to Internet: 2258437290 Equivalent to 134 /8s, 157 /16s and 4 /24s Percentage of available address space announced: 60.9 Percentage of allocated address space announced: 66.3 Percentage of available address space allocated: 91.9 Percentage of address space in use by end-sites: 83.0 Total number of prefixes smaller than registry allocations: 154639
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 75505 Total APNIC prefixes after maximum aggregation: 26024 APNIC Deaggregation factor: 2.90 Prefixes being announced from the APNIC address blocks: 72607 Unique aggregates announced from the APNIC address blocks: 32521 APNIC Region origin ASes present in the Internet Routing Table: 4051 APNIC Prefixes per ASN: 17.92 APNIC Region origin ASes announcing only one prefix: 1134 APNIC Region transit ASes present in the Internet Routing Table: 646 Average APNIC Region AS path length visible: 4.2 Max APNIC Region AS path length visible: 20 Number of APNIC addresses announced to Internet: 520399585 Equivalent to 31 /8s, 4 /16s and 170 /24s Percentage of available APNIC address space announced: 77.5
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: 135836 Total ARIN prefixes after maximum aggregation: 69667 ARIN Deaggregation factor: 1.95 Prefixes being announced from the ARIN address blocks: 107784 Unique aggregates announced from the ARIN address blocks: 40875 ARIN Region origin ASes present in the Internet Routing Table: 13750 ARIN Prefixes per ASN: 7.84 ARIN Region origin ASes announcing only one prefix: 5294 ARIN Region transit ASes present in the Internet Routing Table: 1403 Average ARIN Region AS path length visible: 3.6 Max ARIN Region AS path length visible: 22 Number of ARIN addresses announced to Internet: 731574817 Equivalent to 43 /8s, 154 /16s and 242 /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, 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: 76884 Total RIPE prefixes after maximum aggregation: 43235 RIPE Deaggregation factor: 1.78 Prefixes being announced from the RIPE address blocks: 69804 Unique aggregates announced from the RIPE address blocks: 44135 RIPE Region origin ASes present in the Internet Routing Table: 14508 RIPE Prefixes per ASN: 4.81 RIPE Region origin ASes announcing only one prefix: 7434 RIPE Region transit ASes present in the Internet Routing Table: 2226 Average RIPE Region AS path length visible: 4.0 Max RIPE Region AS path length visible: 34 Number of RIPE addresses announced to Internet: 428165332 Equivalent to 25 /8s, 133 /16s and 72 /24s Percentage of available RIPE address space announced: 75.1
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, 196608-197631 RIPE Address Blocks 2/8, 25/8, 31/8, 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, 193/8, 194/8, 195/8, 212/8, 213/8, 217/8,
LACNIC Region Analysis Summary ------------------------------
Prefixes being announced by LACNIC Region ASes: 28443 Total LACNIC prefixes after maximum aggregation: 6852 LACNIC Deaggregation factor: 4.15 Prefixes being announced from the LACNIC address blocks: 26977 Unique aggregates announced from the LACNIC address blocks: 14055 LACNIC Region origin ASes present in the Internet Routing Table: 1297 LACNIC Prefixes per ASN: 20.80 LACNIC Region origin ASes announcing only one prefix: 403 LACNIC Region transit ASes present in the Internet Routing Table: 231 Average LACNIC Region AS path length visible: 4.2 Max LACNIC Region AS path length visible: 25 Number of LACNIC addresses announced to Internet: 73276160 Equivalent to 4 /8s, 94 /16s and 27 /24s Percentage of available LACNIC address space announced: 72.8
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: 7351 Total AfriNIC prefixes after maximum aggregation: 1864 AfriNIC Deaggregation factor: 3.94 Prefixes being announced from the AfriNIC address blocks: 5636 Unique aggregates announced from the AfriNIC address blocks: 1685 AfriNIC Region origin ASes present in the Internet Routing Table: 366 AfriNIC Prefixes per ASN: 15.40 AfriNIC Region origin ASes announcing only one prefix: 108 AfriNIC Region transit ASes present in the Internet Routing Table: 85 Average AfriNIC Region AS path length visible: 3.8 Max AfriNIC Region AS path length visible: 14 Number of AfriNIC addresses announced to Internet: 18452736 Equivalent to 1 /8s, 25 /16s and 145 /24s Percentage of available AfriNIC address space announced: 55.0
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 1689 8421 477 Korea Telecom (KIX) 17488 1315 140 127 Hathway IP Over Cable Interne 4755 1307 293 150 Videsh Sanchar Nigam Ltd. Aut 7545 1278 232 103 TPG Internet Pty Ltd 17974 1075 281 19 PT TELEKOMUNIKASI INDONESIA 9583 996 73 487 Sify Limited 24560 907 306 171 Bharti Airtel Ltd. 4134 853 21259 406 CHINANET-BACKBONE 9829 797 681 34 BSNL National Internet Backbo 4808 778 1455 182 CNCGROUP IP network: China169
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 3915 3716 282 bellsouth.net, inc. 4323 3366 1100 404 Time Warner Telecom 1785 1783 698 131 AppliedTheory Corporation 20115 1610 1500 647 Charter Communications 7018 1510 5709 955 AT&T WorldNet Services 2386 1281 552 919 AT&T Data Communications Serv 6478 1252 257 97 AT&T Worldnet Services 3356 1199 10849 399 Level 3 Communications, LLC 22773 1155 2604 64 Cox Communications, Inc. 11492 1149 207 70 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 628 56 6 United Telecom AS 9116 530 328 32 Goldenlines main autonomous s 3292 476 2028 395 TDC Tele Danmark 30890 443 116 207 Evolva Telecom 3216 427 148 30 Teleross, Moscow, Russia 702 416 1870 331 UUNET - Commercial IP service 8551 402 355 38 Bezeq International 8866 399 117 18 Bulgarian Telecommunication C 3301 366 1414 322 TeliaNet Sweden 3320 364 7072 317 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 1570 2982 241 Uninet S.A. de C.V. 10620 1044 235 152 TVCABLE BOGOTA 28573 886 723 77 Types of queries are: POCs, o 7303 705 376 95 Telecom Argentina Stet-France 6503 585 173 209 AVANTEL, S.A. 22047 545 310 15 Types of queries are: POCs, o 7738 477 922 30 Telecomunicacoes da Bahia S.A 11830 476 308 56 Instituto Costarricense de El 3816 474 204 74 COLOMBIA TELECOMUNICACIONES S 14117 455 30 13 Telefonica del Sur S.A.
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 1255 445 10 TEDATA 24863 712 147 38 LINKdotNET AS number 36992 638 278 185 Etisalat MISR 3741 270 852 231 The Internet Solution 2018 216 231 112 TENET-1 33776 213 11 14 Starcomms Nigeria Limited 6713 176 167 12 Itissalat Al-MAGHRIB 24835 176 78 10 RAYA Telecom - Egypt 29571 172 19 9 Ci Telecom Autonomous system 29975 133 506 14 Vodacom
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 3915 3716 282 bellsouth.net, inc. 4323 3366 1100 404 Time Warner Telecom 1785 1783 698 131 AppliedTheory Corporation 4766 1689 8421 477 Korea Telecom (KIX) 20115 1610 1500 647 Charter Communications 8151 1570 2982 241 Uninet S.A. de C.V. 7018 1510 5709 955 AT&T WorldNet Services 17488 1315 140 127 Hathway IP Over Cable Interne 4755 1307 293 150 Videsh Sanchar Nigam Ltd. Aut 2386 1281 552 919 AT&T Data Communications Serv
Complete listing at http://thyme.apnic.net/rviews/data-ASnet
Global Per AS Maximum Aggr summary ----------------------------------
ASN No of nets Net Savings Description 4323 3366 2962 Time Warner Telecom 1785 1783 1652 AppliedTheory Corporation 8151 1570 1329 Uninet S.A. de C.V. 8452 1255 1245 TEDATA 4766 1689 1212 Korea Telecom (KIX) 17488 1315 1188 Hathway IP Over Cable Interne 7545 1278 1175 TPG Internet Pty Ltd 4755 1307 1157 Videsh Sanchar Nigam Ltd. Aut 6478 1252 1155 AT&T Worldnet Services 22773 1155 1091 Cox Communications, Inc.
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 7018 AT&T WorldNet Servic 26973 UNALLOCATED 12.39.154.0/23 7018 AT&T WorldNet Servic 26973 UNALLOCATED 12.39.155.0/24 7018 AT&T WorldNet Servic 26973 UNALLOCATED 12.39.159.0/24 7018 AT&T WorldNet Servic 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 31.0.0.0/16 12654 RIPE NCC RIS Project 31.0.0.0/8 237 Merit Network 31.1.0.0/21 12654 RIPE NCC RIS Project 31.1.24.0/24 12654 RIPE NCC RIS Project 41.222.79.0/24 36938 Amsco Telecommunications Nige 41.223.92.0/22 36936 >>UNKNOWN<< 41.223.188.0/24 22351 Intelsat 41.223.196.0/24 36990 Alkan Telecom Ltd 41.223.197.0/24 36990 Alkan Telecom Ltd 41.223.198.0/24 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 /10:26 /11:67 /12:194 /13:403 /14:692 /15:1276 /16:11101 /17:5390 /18:9113 /19:18590 /20:22997 /21:22894 /22:29722 /23:29584 /24:170089 /25:325 /26:542 /27:204 /28:305 /29:168 /30:340 /31:0 /32:250
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 6389 2511 3915 bellsouth.net, inc. 4323 1851 3366 Time Warner Telecom 4766 1323 1689 Korea Telecom (KIX) 1785 1249 1783 AppliedTheory Corporation 8452 1134 1255 TEDATA 11492 1063 1149 Cable One 17488 1063 1315 Hathway IP Over Cable Interne 18566 1040 1059 Covad Communications 10620 960 1044 TVCABLE BOGOTA 7018 918 1510 AT&T WorldNet Services
Complete listing at http://thyme.apnic.net/rviews/data-sXXas-nos
Number of /24s announced per /8 block (Global) ----------------------------------------------
1:1 4:13 8:265 12:2020 13:10 14:1 15:23 16:3 17:8 20:21 24:1451 27:111 31:1 32:137 33:12 38:676 40:98 41:2473 44:3 47:26 52:8 55:6 56:2 57:36 58:729 59:504 60:456 61:1084 62:1091 63:1983 64:3643 65:2356 66:4287 67:1855 68:1128 69:2878 70:715 71:258 72:1869 73:2 74:2101 75:254 76:309 77:873 78:635 79:426 80:1022 81:813 82:504 83:457 84:723 85:1090 86:470 87:794 88:336 89:1727 90:90 91:2801 92:511 93:1124 94:1427 95:607 96:280 97:320 98:572 99:28 108:32 109:494 110:361 111:503 112:263 113:290 114:411 115:578 116:1035 117:650 118:444 119:929 120:145 121:743 122:1436 123:914 124:1125 125:1314 128:212 129:212 130:193 131:559 132:247 133:17 134:195 135:45 136:222 137:171 138:256 139:115 140:483 141:136 142:354 143:389 144:477 145:52 146:425 147:166 148:612 149:290 150:153 151:169 152:261 153:168 154:2 155:327 156:156 157:298 158:107 159:375 160:315 161:185 162:258 163:180 164:407 165:348 166:474 167:398 168:774 169:165 170:705 171:53 172:2 173:766 174:650 175:101 176:1 178:132 180:477 182:72 183:130 184:45 186:389 187:344 188:1376 189:785 190:3682 192:5784 193:4720 194:3426 195:2941 196:1209 198:3579 199:3440 200:5363 201:1514 202:8156 203:8330 204:4059 205:2343 206:2529 207:3044 208:3890 209:3419 210:2520 211:1265 212:1818 213:1765 214:650 215:69 216:4702 217:1558 218:494 219:377 220:1126 221:400 222:336 223:1
End of report
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