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Routing Table Report 04:00 +10GMT Mon 29 Sep, 2008
Report Website: http://thyme.apnic.net Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary ----------------
BGP routing table entries examined: 269523 Prefixes after maximum aggregation: 130177 Deaggregation factor: 2.07 Unique aggregates announced to Internet: 131418 Total ASes present in the Internet Routing Table: 29358 Prefixes per ASN: 9.18 Origin-only ASes present in the Internet Routing Table: 25521 Origin ASes announcing only one prefix: 12445 Transit ASes present in the Internet Routing Table: 3837 Transit-only ASes present in the Internet Routing Table: 85 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: 558 Unregistered ASNs in the Routing Table: 202 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: 1907989696 Equivalent to 113 /8s, 185 /16s and 156 /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: 132247
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 62357 Total APNIC prefixes after maximum aggregation: 23013 APNIC Deaggregation factor: 2.71 Prefixes being announced from the APNIC address blocks: 59241 Unique aggregates announced from the APNIC address blocks: 26651 APNIC Region origin ASes present in the Internet Routing Table: 3391 APNIC Prefixes per ASN: 17.47 APNIC Region origin ASes announcing only one prefix: 910 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: 377782432 Equivalent to 22 /8s, 132 /16s and 128 /24s Percentage of available APNIC address space announced: 80.4
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: 122359 Total ARIN prefixes after maximum aggregation: 64668 ARIN Deaggregation factor: 1.89 Prefixes being announced from the ARIN address blocks: 91643 Unique aggregates announced from the ARIN address blocks: 35179 ARIN Region origin ASes present in the Internet Routing Table: 12480 ARIN Prefixes per ASN: 7.34 ARIN Region origin ASes announcing only one prefix: 4829 ARIN Region transit ASes present in the Internet Routing Table: 1192 Average ARIN Region AS path length visible: 3.3 Max ARIN Region AS path length visible: 16 Number of ARIN addresses announced to Internet: 364369376 Equivalent to 21 /8s, 183 /16s and 213 /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: 58577 Total RIPE prefixes after maximum aggregation: 35393 RIPE Deaggregation factor: 1.66 Prefixes being announced from the RIPE address blocks: 53740 Unique aggregates announced from the RIPE address blocks: 36018 RIPE Region origin ASes present in the Internet Routing Table: 11947 RIPE Prefixes per ASN: 4.50 RIPE Region origin ASes announcing only one prefix: 6293 RIPE Region transit ASes present in the Internet Routing Table: 1831 Average RIPE Region AS path length visible: 4.0 Max RIPE Region AS path length visible: 26 Number of RIPE addresses announced to Internet: 373451360 Equivalent to 22 /8s, 66 /16s and 106 /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: 21557 Total LACNIC prefixes after maximum aggregation: 5380 LACNIC Deaggregation factor: 4.01 Prefixes being announced from the LACNIC address blocks: 19678 Unique aggregates announced from the LACNIC address blocks: 11062 LACNIC Region origin ASes present in the Internet Routing Table: 1003 LACNIC Prefixes per ASN: 19.62 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: 56788992 Equivalent to 3 /8s, 98 /16s and 136 /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: 4116 Total AfriNIC prefixes after maximum aggregation: 1279 AfriNIC Deaggregation factor: 3.22 Prefixes being announced from the AfriNIC address blocks: 4421 Unique aggregates announced from the AfriNIC address blocks: 2020 AfriNIC Region origin ASes present in the Internet Routing Table: 258 AfriNIC Prefixes per ASN: 17.14 AfriNIC Region origin ASes announcing only one prefix: 82 AfriNIC Region transit ASes present in the Internet Routing Table: 55 Average AfriNIC Region AS path length visible: 3.9 Max AfriNIC Region AS path length visible: 13 Number of AfriNIC addresses announced to Internet: 12754944 Equivalent to 0 /8s, 194 /16s and 160 /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 1637 535 179 TATA Communications formerly 17488 1393 94 100 Hathway IP Over Cable Interne 9583 1107 86 477 Sify Limited 4766 876 6407 359 Korea Telecom (KIX) 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 55 BHARTI BT INTERNET LTD. 4808 625 1148 140 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 4295 3416 339 bellsouth.net, inc. 209 2943 4017 621 Qwest 6298 1997 318 728 Cox Communicatons 20115 1681 1420 713 Charter Communications 1785 1663 717 154 PaeTec Communications, Inc. 2386 1549 691 892 AT&T Data Communications Serv 4323 1522 1083 370 Time Warner Telecom 7018 1409 5794 979 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 492 241 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 348 441 28 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 544 71 39 LINKdotNET AS number 20858 401 34 3 EgyNet 3741 265 855 223 The Internet Solution 2018 232 215 139 Tertiary Education Network 6713 143 135 11 Itissalat Al-MAGHRIB 33783 135 10 13 EEPAD TISP TELECOM & INTERNET 5536 119 7 22 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 4295 3416 339 bellsouth.net, inc. 209 2943 4017 621 Qwest 6298 1997 318 728 Cox Communicatons 20115 1681 1420 713 Charter Communications 1785 1663 717 154 PaeTec Communications, Inc. 4755 1637 535 179 TATA Communications formerly 2386 1549 691 892 AT&T Data Communications Serv 4323 1522 1083 370 Time Warner Telecom 8151 1412 2847 223 UniNet S.A. de C.V. 7018 1409 5794 979 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 2943 2322 Qwest 1785 1663 1509 PaeTec Communications, Inc. 4755 1637 1458 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 1522 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 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 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 /15:1060 /16:10112 /17:4392 /18:7588 /19:16290 /20:19120 /21:18647 /22:23457 /23:24510 /24:140650 /25:798 /26:964 /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 2845 4295 bellsouth.net, inc. 6298 1971 1997 Cox Communicatons 209 1703 2943 Qwest 2386 1230 1549 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 9583 975 1107 Sify Limited
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 32:58 38:501 40:92 41:707 43:1 44:2 47:12 52:3 55:3 56:3 57:27 58:521 59:521 60:452 61:978 62:1224 63:2035 64:3223 65:2383 66:3485 67:1253 68:790 69:2315 70:856 71:168 72:2053 73:7 74:1204 75:160 76:264 77:795 78:839 79:250 80:941 81:863 82:589 83:380 84:582 85:1005 86:399 87:715 88:336 89:1365 90:21 91:1535 92:267 93:853 94:182 96:74 97:83 98:334 99:8 113:1 114:105 115:90 116:1005 117:365 118:233 119:495 120:94 121:596 122:852 123:444 124:855 125:1189 128:357 129:201 130:134 131:415 132:70 133:9 134:176 135:32 136:223 137:96 138:142 139:81 140:507 141:103 142:408 143:290 144:327 145:51 146:370 147:159 148:521 149:209 150:128 151:180 152:148 153:136 154:10 155:281 156:173 157:301 158:168 159:305 160:275 161:138 162:255 163:154 164:516 165:500 166:365 167:333 168:634 169:143 170:449 171:33 172:10 173:34 186:1 187:16 188:1 189:316 190:2292 192:5754 193:4137 194:3261 195:2577 196:998 198:3718 199:3300 200:5531 201:1433 202:7862 203:8060 204:3945 205:2145 206:2351 207:2737 208:3636 209:3419 210:2612 211:1089 212:1460 213:1596 214:175 215:50 216:4340 217:1220 218:352 219:437 220:1065 221:417 222:287
End of report
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