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Routing Table Report 00:00 GMT Wed 23 Sep, 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: 306679 Prefixes after maximum aggregation: 140773 Deaggregation factor: 2.18 Unique aggregates announced to Internet: 147993 Total ASes present in the Internet Routing Table: 32287 Prefixes per ASN: 9.50 Origin-only ASes present in the Internet Routing Table: 28023 Origin ASes announcing only one prefix: 13665 Transit ASes present in the Internet Routing Table: 4264 Transit-only ASes present in the Internet Routing Table: 105 Average AS path length visible in the Internet Routing Table: 4.6 Max AS path length visible: 26 Max AS path prepend of ASN (12026) 22 Prefixes from unregistered ASNs in the Routing Table: 491 Unregistered ASNs in the Routing Table: 143 Number of 32-bit ASNs allocated by the RIRs: 277 Prefixes from 32-bit ASNs in the Routing Table: 133 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 222 Number of addresses announced to Internet: 2108476700 Equivalent to 125 /8s, 172 /16s and 205 /24s Percentage of available address space announced: 56.9 Percentage of allocated address space announced: 64.5 Percentage of available address space allocated: 88.2 Percentage of address space in use by end-sites: 78.9 Total number of prefixes smaller than registry allocations: 149026
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 72751 Total APNIC prefixes after maximum aggregation: 25261 APNIC Deaggregation factor: 2.88 Prefixes being announced from the APNIC address blocks: 69022 Unique aggregates announced from the APNIC address blocks: 30261 APNIC Region origin ASes present in the Internet Routing Table: 3796 APNIC Prefixes per ASN: 18.18 APNIC Region origin ASes announcing only one prefix: 1046 APNIC Region transit ASes present in the Internet Routing Table: 589 Average APNIC Region AS path length visible: 5.0 Max APNIC Region AS path length visible: 22 Number of APNIC addresses announced to Internet: 460387328 Equivalent to 27 /8s, 112 /16s and 244 /24s Percentage of available APNIC address space announced: 78.4
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 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, 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,
ARIN Region Analysis Summary ----------------------------
Prefixes being announced by ARIN Region ASes: 128883 Total ARIN prefixes after maximum aggregation: 67098 ARIN Deaggregation factor: 1.92 Prefixes being announced from the ARIN address blocks: 102834 Unique aggregates announced from the ARIN address blocks: 38366 ARIN Region origin ASes present in the Internet Routing Table: 13282 ARIN Prefixes per ASN: 7.74 ARIN Region origin ASes announcing only one prefix: 5139 ARIN Region transit ASes present in the Internet Routing Table: 1318 Average ARIN Region AS path length visible: 4.3 Max ARIN Region AS path length visible: 26 Number of ARIN addresses announced to Internet: 706099589 Equivalent to 42 /8s, 22 /16s and 57 /24s Percentage of available ARIN address space announced: 61.9
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, 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, 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, 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: 70594 Total RIPE prefixes after maximum aggregation: 40330 RIPE Deaggregation factor: 1.75 Prefixes being announced from the RIPE address blocks: 64291 Unique aggregates announced from the RIPE address blocks: 41669 RIPE Region origin ASes present in the Internet Routing Table: 13508 RIPE Prefixes per ASN: 4.76 RIPE Region origin ASes announcing only one prefix: 7015 RIPE Region transit ASes present in the Internet Routing Table: 2035 Average RIPE Region AS path length visible: 4.8 Max RIPE Region AS path length visible: 22 Number of RIPE addresses announced to Internet: 399792178 Equivalent to 23 /8s, 212 /16s and 88 /24s Percentage of available RIPE address space announced: 74.5
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: 28172 Total LACNIC prefixes after maximum aggregation: 6259 LACNIC Deaggregation factor: 4.50 Prefixes being announced from the LACNIC address blocks: 26465 Unique aggregates announced from the LACNIC address blocks: 13224 LACNIC Region origin ASes present in the Internet Routing Table: 1185 LACNIC Prefixes per ASN: 22.33 LACNIC Region origin ASes announcing only one prefix: 373 LACNIC Region transit ASes present in the Internet Routing Table: 192 Average LACNIC Region AS path length visible: 4.4 Max LACNIC Region AS path length visible: 23 Number of LACNIC addresses announced to Internet: 66540048 Equivalent to 3 /8s, 247 /16s and 82 /24s Percentage of available LACNIC address space announced: 66.1
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: 5886 Total AfriNIC prefixes after maximum aggregation: 1556 AfriNIC Deaggregation factor: 3.78 Prefixes being announced from the AfriNIC address blocks: 4258 Unique aggregates announced from the AfriNIC address blocks: 1521 AfriNIC Region origin ASes present in the Internet Routing Table: 318 AfriNIC Prefixes per ASN: 13.39 AfriNIC Region origin ASes announcing only one prefix: 92 AfriNIC Region transit ASes present in the Internet Routing Table: 67 Average AfriNIC Region AS path length visible: 4.9 Max AfriNIC Region AS path length visible: 16 Number of AfriNIC addresses announced to Internet: 12421632 Equivalent to 0 /8s, 189 /16s and 138 /24s Percentage of available AfriNIC address space announced: 37.0
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 1590 6995 447 Korea Telecom (KIX) 17488 1512 136 104 Hathway IP Over Cable Interne 4755 1263 292 142 Videsh Sanchar Nigam Ltd. Aut 9583 1108 87 534 Sify Limited 18101 977 204 34 Reliance Infocom Ltd Internet 4134 951 18168 391 CHINANET-BACKBONE 23577 892 33 745 KRNIC 7545 838 198 97 TPG Internet Pty Ltd 9829 812 625 18 BSNL National Internet Backbo 4808 774 1458 173 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 4169 3627 313 bellsouth.net, inc. 4323 3696 1049 387 Time Warner Telecom 20115 2037 1482 671 Charter Communications 1785 1746 714 138 AppliedTheory Corporation 7018 1494 9962 1046 AT&T WorldNet Services 6478 1431 285 257 AT&T Worldnet Services 2386 1323 644 960 AT&T Data Communications Serv 3356 1238 10964 441 Level 3 Communications, LLC 11492 1123 208 12 Cable One 22773 1104 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 702 622 1823 346 UUNET - Commercial IP service 9116 506 296 30 Goldenlines main autonomous s 30890 493 93 202 Evolva Telecom 3292 446 1900 393 TDC Tele Danmark 12479 425 578 6 Uni2 Autonomous System 35805 391 40 5 United Telecom AS 3301 380 1412 308 TeliaNet Sweden 9198 372 138 12 Kazakhtelecom Corporate Sales 8866 358 110 23 Bulgarian Telecommunication C 3320 353 7067 303 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 7303 2321 339 91 Telecom Argentina Stet-France 8151 1478 2899 244 Uninet S.A. de C.V. 10620 1014 227 95 TVCABLE BOGOTA 28573 713 622 66 Types of queries are: POCs, o 22047 540 302 14 Types of queries are: POCs, o 11830 476 310 61 Instituto Costarricense de El 7738 446 862 30 Telecomunicacoes da Bahia S.A 11172 441 99 71 Alestra 16735 429 124 11 Companhia de Telecomunicacoes 6471 423 96 31 ENTEL CHILE 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 978 188 7 TEDATA 24863 939 97 62 LINKdotNET AS number 3741 272 856 234 The Internet Solution 2018 197 187 116 TENET-1 6713 175 166 16 Itissalat Al-MAGHRIB 29571 139 14 6 Ci Telecom Autonomous system 24835 123 46 9 RAYA Telecom - Egypt 33776 123 7 11 Starcomms Nigeria Limited 5536 122 8 13 Internet Egypt Network 5713 118 520 69 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 4169 3627 313 bellsouth.net, inc. 4323 3696 1049 387 Time Warner Telecom 7303 2321 339 91 Telecom Argentina Stet-France 20115 2037 1482 671 Charter Communications 1785 1746 714 138 AppliedTheory Corporation 4766 1590 6995 447 Korea Telecom (KIX) 17488 1512 136 104 Hathway IP Over Cable Interne 7018 1494 9962 1046 AT&T WorldNet Services 8151 1478 2899 244 Uninet S.A. de C.V. 6478 1431 285 257 AT&T Worldnet Services
Complete listing at http://thyme.apnic.net/rviews/data-ASnet
Global Per AS Maximum Aggr summary ----------------------------------
ASN No of nets Net Savings Description 4323 3696 3309 Time Warner Telecom 7303 2321 2230 Telecom Argentina Stet-France 1785 1746 1608 AppliedTheory Corporation 17488 1512 1408 Hathway IP Over Cable Interne 20115 2037 1366 Charter Communications 8151 1478 1234 Uninet S.A. de C.V. 6478 1431 1174 AT&T Worldnet Services 4766 1590 1143 Korea Telecom (KIX) 4755 1263 1121 Videsh Sanchar Nigam Ltd. Aut 11492 1123 1111 Cable One
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 2.0.0.0/16 12654 RIPE NCC RIS Project 2.1.0.0/21 12654 RIPE NCC RIS Project 2.1.24.0/24 12654 RIPE NCC RIS Project 41.223.92.0/22 36936 >>UNKNOWN<< 41.223.189.0/24 26452 Local Communications Networks 43.245.0.0/16 7502 Internetwork Kyoto 46.0.0.0/16 12654 RIPE NCC RIS Project 46.1.0.0/21 12654 RIPE NCC RIS Project 46.1.24.0/24 12654 RIPE NCC RIS Project 62.61.220.0/24 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 /8:19 /9:10 /10:24 /11:63 /12:179 /13:357 /14:629 /15:1206 /16:10700 /17:4930 /18:8497 /19:17699 /20:21196 /21:21302 /22:28356 /23:27417 /24:159352 /25:811 /26:1018 /27:503 /28:482 /29:760 /30:846 /31:3 /32:320
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 6389 2700 4169 bellsouth.net, inc. 4323 2357 3696 Time Warner Telecom 7303 1803 2321 Telecom Argentina Stet-France 17488 1266 1512 Hathway IP Over Cable Interne 4766 1264 1590 Korea Telecom (KIX) 1785 1213 1746 AppliedTheory Corporation 11492 1051 1123 Cable One 20115 1046 2037 Charter Communications 18566 1043 1062 Covad Communications 9583 960 1108 Sify Limited
Complete listing at http://thyme.apnic.net/rviews/data-sXXas-nos
Number of /24s announced per /8 block (Global) ----------------------------------------------
2:1 4:14 8:231 12:2161 13:7 15:21 16:3 17:5 20:36 24:1193 32:151 34:2 38:604 40:97 41:1706 43:1 44:2 46:1 47:16 52:6 55:2 56:2 57:38 58:610 59:638 60:461 61:1077 62:1077 63:2031 64:3760 65:2404 66:4152 67:1790 68:986 69:2772 70:568 71:168 72:1674 73:2 74:1955 75:182 76:321 77:875 78:600 79:396 80:929 81:806 82:553 83:445 84:534 85:1039 86:395 87:684 88:393 89:1495 90:58 91:2568 92:404 93:1238 94:1183 95:1102 96:175 97:267 98:294 99:30 109:7 110:205 111:437 112:137 113:154 114:260 115:342 116:1131 117:566 118:323 119:778 120:127 121:780 122:1285 123:768 124:1051 125:1351 128:222 129:217 130:174 131:424 132:75 133:10 134:174 135:42 136:241 137:164 138:176 139:95 140:440 141:121 142:383 143:337 144:377 145:49 146:389 147:161 148:531 149:293 150:209 151:183 152:216 153:162 154:2 155:267 156:165 157:308 158:113 159:354 160:291 161:164 162:271 163:165 164:280 165:522 166:474 167:372 168:794 169:165 170:503 171:44 172:2 173:415 174:335 175:1 178:1 180:26 182:1 186:153 187:194 188:1008 189:692 190:3428 192:5807 193:4408 194:3404 195:2904 196:1141 198:3563 199:3357 200:5520 201:1457 202:8011 203:8286 204:3929 205:2306 206:2452 207:2992 208:3962 209:3499 210:2590 211:1156 212:1661 213:1699 214:183 215:40 216:4440 217:1319 218:418 219:481 220:1135 221:443 222:321
End of report
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