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Routing Table Report 00:00 GMT Mon 06 Jul, 2009
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: 296084 Prefixes after maximum aggregation: 137876 Deaggregation factor: 2.15 Unique aggregates announced to Internet: 141160 Total ASes present in the Internet Routing Table: 31660 Prefixes per ASN: 9.35 Origin-only ASes present in the Internet Routing Table: 27529 Origin ASes announcing only one prefix: 13363 Transit ASes present in the Internet Routing Table: 4131 Transit-only ASes present in the Internet Routing Table: 96 Average AS path length visible in the Internet Routing Table: 5.4 Max AS path length visible: 26 Max AS path prepend of ASN (12026) 22 Prefixes from unregistered ASNs in the Routing Table: 537 Unregistered ASNs in the Routing Table: 158 Number of 32-bit ASNs allocated by the RIRs: 196 Prefixes from 32-bit ASNs in the Routing Table: 66 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 350 Number of addresses announced to Internet: 1918513338 Equivalent to 114 /8s, 90 /16s and 48 /24s Percentage of available address space announced: 51.8 Percentage of allocated address space announced: 59.9 Percentage of available address space allocated: 86.4 Percentage of address space in use by end-sites: 78.1 Total number of prefixes smaller than registry allocations: 147400
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 69424 Total APNIC prefixes after maximum aggregation: 24324 APNIC Deaggregation factor: 2.85 Prefixes being announced from the APNIC address blocks: 68859 Unique aggregates announced from the APNIC address blocks: 30926 APNIC Region origin ASes present in the Internet Routing Table: 3684 APNIC Prefixes per ASN: 18.69 APNIC Region origin ASes announcing only one prefix: 1003 APNIC Region transit ASes present in the Internet Routing Table: 567 Average APNIC Region AS path length visible: 5.9 Max APNIC Region AS path length visible: 18 Number of APNIC addresses announced to Internet: 438272208 Equivalent to 26 /8s, 31 /16s and 128 /24s Percentage of available APNIC address space announced: 81.6
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431 (pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079 APNIC Address Blocks 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, 180/8, 183/8, 202/8, 203/8, 210/8, 211/8, 218/8, 219/8, 220/8, 221/8, 222/8,
ARIN Region Analysis Summary ----------------------------
Prefixes being announced by ARIN Region ASes: 125481 Total ARIN prefixes after maximum aggregation: 66300 ARIN Deaggregation factor: 1.89 Prefixes being announced from the ARIN address blocks: 125915 Unique aggregates announced from the ARIN address blocks: 50112 ARIN Region origin ASes present in the Internet Routing Table: 13077 ARIN Prefixes per ASN: 9.63 ARIN Region origin ASes announcing only one prefix: 5024 ARIN Region transit ASes present in the Internet Routing Table: 1291 Average ARIN Region AS path length visible: 5.1 Max ARIN Region AS path length visible: 26 Number of ARIN addresses announced to Internet: 916957717 Equivalent to 54 /8s, 167 /16s and 170 /24s Percentage of available ARIN address space announced: 176.3
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 ARIN Address Blocks 24/8, 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, 108/8, 173/8, 174/8, 184/8, 199/8, 204/8, 205/8, 206/8, 207/8, 208/8, 209/8, 216/8,
RIPE Region Analysis Summary ----------------------------
Prefixes being announced by RIPE Region ASes: 68048 Total RIPE prefixes after maximum aggregation: 39391 RIPE Deaggregation factor: 1.73 Prefixes being announced from the RIPE address blocks: 67962 Unique aggregates announced from the RIPE address blocks: 43876 RIPE Region origin ASes present in the Internet Routing Table: 13257 RIPE Prefixes per ASN: 5.13 RIPE Region origin ASes announcing only one prefix: 6890 RIPE Region transit ASes present in the Internet Routing Table: 1969 Average RIPE Region AS path length visible: 5.6 Max RIPE Region AS path length visible: 24 Number of RIPE addresses announced to Internet: 470134664 Equivalent to 28 /8s, 5 /16s and 175 /24s Percentage of available RIPE address space announced: 100.1
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 RIPE Address Blocks 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: 26594 Total LACNIC prefixes after maximum aggregation: 6058 LACNIC Deaggregation factor: 4.39 Prefixes being announced from the LACNIC address blocks: 26477 Unique aggregates announced from the LACNIC address blocks: 13445 LACNIC Region origin ASes present in the Internet Routing Table: 1139 LACNIC Prefixes per ASN: 23.25 LACNIC Region origin ASes announcing only one prefix: 357 LACNIC Region transit ASes present in the Internet Routing Table: 190 Average LACNIC Region AS path length visible: 5.1 Max LACNIC Region AS path length visible: 21 Number of LACNIC addresses announced to Internet: 71569672 Equivalent to 4 /8s, 68 /16s and 17 /24s Percentage of available LACNIC address space announced: 71.1
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247 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: 6112 Total AfriNIC prefixes after maximum aggregation: 1483 AfriNIC Deaggregation factor: 4.12 Prefixes being announced from the AfriNIC address blocks: 6507 Unique aggregates announced from the AfriNIC address blocks: 2525 AfriNIC Region origin ASes present in the Internet Routing Table: 298 AfriNIC Prefixes per ASN: 21.84 AfriNIC Region origin ASes announcing only one prefix: 89 AfriNIC Region transit ASes present in the Internet Routing Table: 61 Average AfriNIC Region AS path length visible: 5.7 Max AfriNIC Region AS path length visible: 17 Number of AfriNIC addresses announced to Internet: 19909376 Equivalent to 1 /8s, 47 /16s and 203 /24s Percentage of available AfriNIC address space announced: 59.3
AfriNIC AS Blocks 36864-37887 & 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 1537 6934 406 Korea Telecom (KIX) 17488 1537 138 95 Hathway IP Over Cable Interne 4755 1214 308 143 Videsh Sanchar Nigam Ltd. Aut 9583 1142 91 550 Sify Limited 4134 905 16772 382 CHINANET-BACKBONE 7545 809 198 101 TPG Internet Pty Ltd 9829 797 611 14 BSNL National Internet Backbo 18101 752 200 31 Reliance Infocom Ltd Internet 24560 724 230 172 Bharti Airtel Ltd. 17974 686 226 59 PT TELEKOMUNIKASI INDONESIA
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 4269 3643 323 bellsouth.net, inc. 20115 2063 1465 675 Charter Communications 4323 1885 1046 389 Time Warner Telecom 1785 1704 714 139 AppliedTheory Corporation 7018 1505 9996 1044 AT&T WorldNet Services 2386 1266 655 928 AT&T Data Communications Serv 3356 1209 10961 443 Level 3 Communications, LLC 6478 1207 275 313 AT&T Worldnet Services 11492 1126 208 12 Cable One 22773 1071 2604 66 Cox Communications, Inc.
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 702 635 1862 350 UUNET - Commercial IP service 12479 474 578 6 Uni2 Autonomous System 3292 466 1902 395 TDC Tele Danmark 30890 414 88 194 Evolva Telecom 3301 376 1684 309 TeliaNet Sweden 8997 357 152 8 SPBNIT-RU Autonomous System 35805 354 40 5 United Telecom AS 8866 352 109 22 Bulgarian Telecommunication C 3320 344 7067 300 Deutsche Telekom AG 3215 342 3049 107 France Telecom Transpac
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 7303 2025 304 86 Telecom Argentina Stet-France 8151 1462 2882 234 Uninet S.A. de C.V. 10620 934 211 103 TVCABLE BOGOTA 28573 613 570 31 Types of queries are: POCs, o 22047 601 302 14 Types of queries are: POCs, o 11830 480 290 71 Instituto Costarricense de El 11172 440 99 69 Alestra 6471 439 96 31 ENTEL CHILE S.A. 7738 420 798 29 Telecomunicacoes da Bahia S.A 16735 404 108 11 Companhia de Telecomunicacoes
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 993 188 7 TEDATA 24863 894 88 46 LINKdotNET AS number 20858 319 34 5 EgyNet 3741 276 856 236 The Internet Solution 2018 243 215 143 TENET-1 6713 175 166 16 Itissalat Al-MAGHRIB 33783 151 10 8 EEPAD TISP TELECOM & INTERNET 29571 139 15 8 Ci Telecom Autonomous system 5536 123 8 9 Internet Egypt Network 5713 116 508 67 Telkom SA Ltd
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 4269 3643 323 bellsouth.net, inc. 20115 2063 1465 675 Charter Communications 7303 2025 304 86 Telecom Argentina Stet-France 4323 1885 1046 389 Time Warner Telecom 1785 1704 714 139 AppliedTheory Corporation 4766 1537 6934 406 Korea Telecom (KIX) 17488 1537 138 95 Hathway IP Over Cable Interne 7018 1505 9996 1044 AT&T WorldNet Services 8151 1462 2882 234 Uninet S.A. de C.V. 2386 1266 655 928 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 7303 2025 1939 Telecom Argentina Stet-France 1785 1704 1565 AppliedTheory Corporation 4323 1885 1496 Time Warner Telecom 17488 1537 1442 Hathway IP Over Cable Interne 20115 2063 1388 Charter Communications 8151 1462 1228 Uninet S.A. de C.V. 4766 1537 1131 Korea Telecom (KIX) 11492 1126 1114 Cable One 4755 1214 1071 Videsh Sanchar Nigam Ltd. Aut 18566 1062 1052 Covad Communications
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 12.39.159.0/24 7018 AT&T WorldNet Servic 32326 UNALLOCATED 12.40.49.0/24 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
Prefixes from private and non-routed address space (Global) -----------------------------------------------------------
Prefix Origin AS Description 10.29.248.71/32 286 KPNQwest Backbone AS
Complete listing at http://thyme.apnic.net/rviews/data-dsua
Advertised Unallocated Addresses --------------------------------
Network Origin AS Description 1.1.1.0/24 16735 Companhia de Telecomunicacoes 10.29.248.71/32 286 KPNQwest Backbone AS 36.126.8.255/8 77 Johns Hopkins University Appl 41.223.92.0/22 36936 >>UNKNOWN<< 41.223.112.0/22 5713 Telkom SA Ltd 41.223.176.0/22 36981 >>UNKNOWN<< 41.223.188.0/24 22351 Intelsat 41.223.189.0/24 26452 Local Communications Networks 62.61.220.0/24 24974 Tachyon Europe BV - Wireless 62.61.221.0/24 24974 Tachyon Europe BV - Wireless
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 /8:20 /9:10 /10:22 /11:58 /12:171 /13:354 /14:610 /15:1167 /16:10551 /17:4833 /18:8294 /19:17221 /20:20589 /21:20563 /22:27370 /23:26593 /24:154335 /25:602 /26:789 /27:300 /28:328 /29:699 /30:359 /31:4 /32:242
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 6389 2781 4269 bellsouth.net, inc. 7303 1524 2025 Telecom Argentina Stet-France 17488 1283 1537 Hathway IP Over Cable Interne 4766 1236 1537 Korea Telecom (KIX) 1785 1177 1704 AppliedTheory Corporation 20115 1082 2063 Charter Communications 11492 1052 1126 Cable One 18566 1043 1062 Covad Communications 9583 994 1142 Sify Limited 2386 983 1266 AT&T Data Communications Serv
Complete listing at http://thyme.apnic.net/rviews/data-sXXas-nos
Number of /24s announced per /8 block (Global) ----------------------------------------------
1:1 4:13 8:209 12:2156 13:8 15:19 16:3 17:4 20:35 24:1162 32:150 34:2 38:576 40:98 41:1738 43:1 44:2 47:22 52:5 55:2 56:3 57:37 58:578 59:654 60:461 61:1081 62:1156 63:2061 64:3698 65:2417 66:3663 67:1618 68:827 69:2650 70:555 71:163 72:1680 73:2 74:1617 75:173 76:339 77:850 78:576 79:363 80:995 81:835 82:599 83:453 84:639 85:1047 86:407 87:683 88:353 89:1472 90:50 91:2389 92:355 93:1129 94:1243 95:1116 96:150 97:230 98:253 99:23 110:170 111:49 112:168 113:137 114:261 115:303 116:1167 117:538 118:339 119:752 120:146 121:781 122:1046 123:704 124:980 125:1389 128:218 129:239 130:127 131:400 132:74 133:9 134:185 135:39 136:224 137:162 138:164 139:90 140:442 141:119 142:391 143:348 144:364 145:48 146:386 147:156 148:516 149:314 150:178 151:193 152:145 153:152 154:2 155:274 156:165 157:302 158:117 159:344 160:284 161:153 162:272 163:162 164:474 165:500 166:456 167:359 168:665 169:174 170:506 171:41 172:10 173:306 174:233 178:1 186:97 187:124 188:109 189:538 190:3248 192:5854 193:4366 194:3432 195:2822 196:1090 198:3599 199:3359 200:5458 201:1440 202:7862 203:8255 204:3887 205:2262 206:2443 207:2743 208:3883 209:3411 210:2547 211:1157 212:1635 213:1716 214:71 215:24 216:4561 217:1336 218:402 219:441 220:1118 221:484 222:299
End of report
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