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Routing Table Report 04:00 +10GMT Sun 28 Sep, 2008
Report Website: http://thyme.apnic.net Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary ----------------
BGP routing table entries examined: 269382 Prefixes after maximum aggregation: 129772 Deaggregation factor: 2.08 Unique aggregates announced to Internet: 130526 Total ASes present in the Internet Routing Table: 29361 Prefixes per ASN: 9.17 Origin-only ASes present in the Internet Routing Table: 25524 Origin ASes announcing only one prefix: 12452 Transit ASes present in the Internet Routing Table: 3837 Transit-only ASes present in the Internet Routing Table: 84 Average AS path length visible in the Internet Routing Table: 3.6 Max AS path length visible: 26 Max AS path prepend of ASN ( 3816) 15 Prefixes from unregistered ASNs in the Routing Table: 556 Unregistered ASNs in the Routing Table: 201 Number of 32-bit ASNs allocated by the RIRs: 60 Prefixes from 32-bit ASNs in the Routing Table: 9 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 745 Number of addresses announced to Internet: 1908334016 Equivalent to 113 /8s, 190 /16s and 221 /24s Percentage of available address space announced: 51.5 Percentage of allocated address space announced: 62.5 Percentage of available address space allocated: 82.3 Percentage of address space in use by end-sites: 73.7 Total number of prefixes smaller than registry allocations: 132013
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 62138 Total APNIC prefixes after maximum aggregation: 22589 APNIC Deaggregation factor: 2.75 Prefixes being announced from the APNIC address blocks: 59020 Unique aggregates announced from the APNIC address blocks: 25800 APNIC Region origin ASes present in the Internet Routing Table: 3394 APNIC Prefixes per ASN: 17.39 APNIC Region origin ASes announcing only one prefix: 911 APNIC Region transit ASes present in the Internet Routing Table: 541 Average APNIC Region AS path length visible: 3.5 Max APNIC Region AS path length visible: 19 Number of APNIC addresses announced to Internet: 378103712 Equivalent to 22 /8s, 137 /16s and 103 /24s Percentage of available APNIC address space announced: 80.5
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, 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, 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: 122451 Total ARIN prefixes after maximum aggregation: 64689 ARIN Deaggregation factor: 1.89 Prefixes being announced from the ARIN address blocks: 91748 Unique aggregates announced from the ARIN address blocks: 35169 ARIN Region origin ASes present in the Internet Routing Table: 12479 ARIN Prefixes per ASN: 7.35 ARIN Region origin ASes announcing only one prefix: 4829 ARIN Region transit ASes present in the Internet Routing Table: 1191 Average ARIN Region AS path length visible: 3.3 Max ARIN Region AS path length visible: 16 Number of ARIN addresses announced to Internet: 364422368 Equivalent to 21 /8s, 184 /16s and 164 /24s Percentage of available ARIN address space announced: 74.9
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 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, 173/8, 174/8, 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: 58567 Total RIPE prefixes after maximum aggregation: 35396 RIPE Deaggregation factor: 1.65 Prefixes being announced from the RIPE address blocks: 53726 Unique aggregates announced from the RIPE address blocks: 36007 RIPE Region origin ASes present in the Internet Routing Table: 11949 RIPE Prefixes per ASN: 4.50 RIPE Region origin ASes announcing only one prefix: 6299 RIPE Region transit ASes present in the Internet Routing Table: 1830 Average RIPE Region AS path length visible: 4.0 Max RIPE Region AS path length visible: 26 Number of RIPE addresses announced to Internet: 373440608 Equivalent to 22 /8s, 66 /16s and 64 /24s Percentage of available RIPE address space announced: 85.6
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, 47104-49151 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, 193/8, 194/8, 195/8, 212/8, 213/8, 217/8,
LACNIC Region Analysis Summary ------------------------------
Prefixes being announced by LACNIC Region ASes: 21525 Total LACNIC prefixes after maximum aggregation: 5376 LACNIC Deaggregation factor: 4.00 Prefixes being announced from the LACNIC address blocks: 19647 Unique aggregates announced from the LACNIC address blocks: 11033 LACNIC Region origin ASes present in the Internet Routing Table: 1004 LACNIC Prefixes per ASN: 19.57 LACNIC Region origin ASes announcing only one prefix: 331 LACNIC Region transit ASes present in the Internet Routing Table: 170 Average LACNIC Region AS path length visible: 4.1 Max LACNIC Region AS path length visible: 17 Number of LACNIC addresses announced to Internet: 56794880 Equivalent to 3 /8s, 98 /16s and 159 /24s Percentage of available LACNIC address space announced: 56.4
LACNIC AS Blocks 26592-26623, 27648-28671, 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: 4146 Total AfriNIC prefixes after maximum aggregation: 1281 AfriNIC Deaggregation factor: 3.24 Prefixes being announced from the AfriNIC address blocks: 4454 Unique aggregates announced from the AfriNIC address blocks: 2066 AfriNIC Region origin ASes present in the Internet Routing Table: 259 AfriNIC Prefixes per ASN: 17.20 AfriNIC Region origin ASes announcing only one prefix: 82 AfriNIC Region transit ASes present in the Internet Routing Table: 54 Average AfriNIC Region AS path length visible: 3.9 Max AfriNIC Region AS path length visible: 13 Number of AfriNIC addresses announced to Internet: 12746752 Equivalent to 0 /8s, 194 /16s and 128 /24s Percentage of available AfriNIC address space announced: 38.0
AfriNIC AS Blocks 36864-37887 & ERX transfers AfriNIC Address Blocks 41/8, 196/8,
APNIC Region per AS prefix count summary ----------------------------------------
ASN No of nets /20 equiv MaxAgg Description 4755 1639 535 179 TATA Communications formerly 17488 1393 94 100 Hathway IP Over Cable Interne 4766 876 6407 359 Korea Telecom (KIX) 9583 868 131 63 Sify Limited 4134 840 13665 344 CHINANET-BACKBONE 23577 812 34 692 Korea Telecom (ATM-MPLS) 18101 781 161 63 Reliance Infocom Ltd Internet 4780 717 353 61 Digital United Inc. 9498 676 295 56 BHARTI BT INTERNET LTD. 4808 626 1156 138 CNCGROUP IP network: China169
Complete listing at http://thyme.apnic.net/current/data-ASnet-APNIC
ARIN Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 6389 4294 3416 344 bellsouth.net, inc. 209 2941 4016 620 Qwest 6298 1997 318 728 Cox Communicatons 20115 1682 1421 712 Charter Communications 1785 1663 717 154 PaeTec Communications, Inc. 2386 1550 691 894 AT&T Data Communications Serv 4323 1521 1067 369 Time Warner Telecom 7018 1408 5794 980 AT&T WorldNet Services 11492 1212 152 11 Cable One 6478 1190 241 190 AT&T Worldnet Services
Complete listing at http://thyme.apnic.net/current/data-ASnet-ARIN
RIPE Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 3292 423 1777 378 TDC Tele Danmark 3301 330 1428 301 TeliaNet Sweden 30890 330 87 175 SC Kappa Invexim SRL 3215 328 2756 107 France Telecom Transpac 3320 324 7063 273 Deutsche Telekom AG 8866 321 79 22 Bulgarian Telecommunication C 8452 316 188 11 TEDATA 5462 301 794 27 Telewest Broadband 8551 287 270 37 Bezeq International 680 275 2047 265 DFN-IP service G-WiN
Complete listing at http://thyme.apnic.net/current/data-ASnet-RIPE
LACNIC Region per AS prefix count summary -----------------------------------------
ASN No of nets /20 equiv MaxAgg Description 8151 1412 2847 223 UniNet S.A. de C.V. 11830 668 299 9 Instituto Costarricense de El 22047 564 270 14 VTR PUNTO NET S.A. 7303 491 241 70 Telecom Argentina Stet-France 10620 456 113 65 TVCABLE BOGOTA 16814 426 27 10 NSS, S.A. 6471 420 85 48 ENTEL CHILE S.A. 11172 411 118 71 Servicios Alestra S.A de C.V 28573 351 444 22 NET Servicos de Comunicao S.A 14117 343 23 9 Telefonica del Sur S.A.
Complete listing at http://thyme.apnic.net/current/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary ------------------------------------------
ASN No of nets /20 equiv MaxAgg Description 24863 543 71 41 LINKdotNET AS number 20858 401 34 3 EgyNet 3741 264 853 222 The Internet Solution 2018 232 215 139 Tertiary Education Network 6713 143 135 11 Itissalat Al-MAGHRIB 33783 137 10 13 EEPAD TISP TELECOM & INTERNET 5536 120 8 17 Internet Egypt Network 5713 119 555 69 Telkom SA Ltd 33776 116 6 3 Starcomms Nigeria Limited 29571 107 13 8 Ci Telecom Autonomous system
Complete listing at http://thyme.apnic.net/current/data-ASnet-AFRINIC
Global Per AS prefix count summary ----------------------------------
ASN No of nets /20 equiv MaxAgg Description 6389 4294 3416 344 bellsouth.net, inc. 209 2941 4016 620 Qwest 6298 1997 318 728 Cox Communicatons 20115 1682 1421 712 Charter Communications 1785 1663 717 154 PaeTec Communications, Inc. 4755 1639 535 179 TATA Communications formerly 2386 1550 691 894 AT&T Data Communications Serv 4323 1521 1067 369 Time Warner Telecom 8151 1412 2847 223 UniNet S.A. de C.V. 7018 1408 5794 980 AT&T WorldNet Services
Complete listing at http://thyme.apnic.net/current/data-ASnet
Global Per AS Maximum Aggr summary ----------------------------------
ASN No of nets Net Savings Description 209 2941 2321 Qwest 1785 1663 1509 PaeTec Communications, Inc. 4755 1639 1460 TATA Communications formerly 17488 1393 1293 Hathway IP Over Cable Interne 6298 1997 1269 Cox Communicatons 11492 1212 1201 Cable One 8151 1412 1189 UniNet S.A. de C.V. 4323 1521 1152 Time Warner Telecom 18566 1053 1043 Covad Communications 6478 1190 1000 AT&T Worldnet Services
Complete listing at http://thyme.apnic.net/current/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 22492 UNALLOCATED 12.2.46.0/24 1239 Sprint 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 3549 Global Crossing
Complete listing at http://thyme.apnic.net/current/data-badAS
Advertised Unallocated Addresses --------------------------------
Network Origin AS Description 24.75.116.0/22 10796 ServiceCo LLC - Road Runner 24.75.160.0/19 7843 Adelphia Corp. 24.142.40.0/21 7018 AT&T WorldNet Services 24.142.160.0/19 7018 AT&T WorldNet Services 24.246.0.0/17 7018 AT&T WorldNet Services 24.246.128.0/18 7018 AT&T WorldNet Services 62.61.220.0/24 24974 Tachyon Europe BV - Wireless 63.140.213.0/24 22555 Universal Talkware Corporatio 63.143.71.0/24 701 UUNET Technologies, Inc. 63.143.115.0/24 701 UUNET Technologies, Inc.
Complete listing at http://thyme.apnic.net/current/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 /8:18 /9:9 /10:17 /11:45 /12:147 /13:295 /14:530 /15:1063 /16:10114 /17:4403 /18:7670 /19:16302 /20:19123 /21:18664 /22:23447 /23:24515 /24:140384 /25:796 /26:966 /27:768 /28:89 /29:9 /30:1 /31:0 /32:7
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 6389 2844 4294 bellsouth.net, inc. 6298 1971 1997 Cox Communicatons 209 1702 2941 Qwest 2386 1231 1550 AT&T Data Communications Serv 17488 1200 1393 Hathway IP Over Cable Interne 11492 1188 1212 Cable One 1785 1126 1663 PaeTec Communications, Inc. 6478 1082 1190 AT&T Worldnet Services 18566 1034 1053 Covad Communications 4755 974 1639 TATA Communications formerly
Complete listing at http://thyme.apnic.net/current/data/sXXas-nos
Number of /24s announced per /8 block (Global) ----------------------------------------------
4:8 8:139 12:2162 13:2 15:22 16:3 17:5 18:13 20:35 24:1080 32:59 38:501 40:92 41:708 43:1 44:2 47:12 52:3 55:3 56:3 57:27 58:522 59:521 60:452 61:979 62:1222 63:2038 64:3221 65:2369 66:3486 67:1255 68:790 69:2315 70:855 71:168 72:2053 73:7 74:1204 75:160 76:264 77:795 78:839 79:250 80:941 81:863 82:590 83:379 84:582 85:1004 86:398 87:712 88:336 89:1363 90:21 91:1533 92:267 93:851 94:178 96:74 97:83 98:332 99:8 113:1 114:105 115:90 116:1002 117:365 118:234 119:498 120:94 121:597 122:852 123:444 124:765 125:1192 128:357 129:201 130:134 131:416 132:70 133:9 134:176 135:32 136:223 137:96 138:142 139:81 140:507 141:103 142:408 143:289 144:327 145:51 146:370 147:159 148:519 149:209 150:128 151:180 152:148 153:136 154:10 155:281 156:173 157:301 158:167 159:306 160:267 161:138 162:255 163:154 164:516 165:500 166:365 167:333 168:629 169:143 170:449 171:33 172:10 173:34 186:1 187:16 188:1 189:316 190:2276 192:5756 193:4137 194:3259 195:2576 196:999 198:3722 199:3290 200:5526 201:1419 202:7832 203:8067 204:3945 205:2144 206:2350 207:2739 208:3643 209:3420 210:2549 211:1089 212:1465 213:1630 214:175 215:50 216:4344 217:1220 218:351 219:437 220:1065 221:354 222:287
End of report
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