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Routing Table Report 04:00 +10GMT Fri 14 Mar, 2008
Report Website: http://thyme.apnic.net Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary ----------------
BGP routing table entries examined: 248808 Prefixes after maximum aggregation: 125383 Deaggregation factor: 1.98 Unique aggregates announced to Internet: 120877 Total ASes present in the Internet Routing Table: 27617 Prefixes per ASN: 9.01 Origin-only ASes present in the Internet Routing Table: 24073 Origin ASes announcing only one prefix: 11656 Transit ASes present in the Internet Routing Table: 3544 Transit-only ASes present in the Internet Routing Table: 78 Average AS path length visible in the Internet Routing Table: 3.6 Max AS path length visible: 21 Max AS path prepend of ASN (43380) 13 Prefixes from unregistered ASNs in the Routing Table: 50 Unregistered ASNs in the Routing Table: 20 Number of 32-bit ASNs allocated by the RIRs: 46 Prefixes from 32-bit ASNs in the Routing Table: 8 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 881 Number of addresses announced to Internet: 1842787328 Equivalent to 109 /8s, 214 /16s and 180 /24s Percentage of available address space announced: 49.7 Percentage of allocated address space announced: 61.0 Percentage of available address space allocated: 81.4 Percentage of address space in use by end-sites: 70.8 Total number of prefixes smaller than registry allocations: 118131
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 56518 Total APNIC prefixes after maximum aggregation: 20886 APNIC Deaggregation factor: 2.71 Prefixes being announced from the APNIC address blocks: 54098 Unique aggregates announced from the APNIC address blocks: 23236 APNIC Region origin ASes present in the Internet Routing Table: 3164 APNIC Prefixes per ASN: 17.10 APNIC Region origin ASes announcing only one prefix: 845 APNIC Region transit ASes present in the Internet Routing Table: 486 Average APNIC Region AS path length visible: 3.6 Max APNIC Region AS path length visible: 16 Number of APNIC addresses announced to Internet: 335203168 Equivalent to 19 /8s, 250 /16s and 203 /24s Percentage of available APNIC address space announced: 76.8
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, 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: 116368 Total ARIN prefixes after maximum aggregation: 65534 ARIN Deaggregation factor: 1.78 Prefixes being announced from the ARIN address blocks: 85017 Unique aggregates announced from the ARIN address blocks: 33581 ARIN Region origin ASes present in the Internet Routing Table: 12204 ARIN Prefixes per ASN: 6.97 ARIN Region origin ASes announcing only one prefix: 4688 ARIN Region transit ASes present in the Internet Routing Table: 1145 Average ARIN Region AS path length visible: 3.4 Max ARIN Region AS path length visible: 15 Number of ARIN addresses announced to Internet: 357391488 Equivalent to 21 /8s, 77 /16s and 92 /24s Percentage of available ARIN address space announced: 73.5
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 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: 53181 Total RIPE prefixes after maximum aggregation: 33061 RIPE Deaggregation factor: 1.61 Prefixes being announced from the RIPE address blocks: 48292 Unique aggregates announced from the RIPE address blocks: 32499 RIPE Region origin ASes present in the Internet Routing Table: 11026 RIPE Prefixes per ASN: 4.38 RIPE Region origin ASes announcing only one prefix: 5745 RIPE Region transit ASes present in the Internet Routing Table: 1683 Average RIPE Region AS path length visible: 4.0 Max RIPE Region AS path length visible: 21 Number of RIPE addresses announced to Internet: 347415584 Equivalent to 20 /8s, 181 /16s and 36 /24s Percentage of available RIPE address space announced: 79.6
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 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: 19101 Total LACNIC prefixes after maximum aggregation: 4759 LACNIC Deaggregation factor: 4.01 Prefixes being announced from the LACNIC address blocks: 17453 Unique aggregates announced from the LACNIC address blocks: 9461 LACNIC Region origin ASes present in the Internet Routing Table: 912 LACNIC Prefixes per ASN: 19.14 LACNIC Region origin ASes announcing only one prefix: 300 LACNIC Region transit ASes present in the Internet Routing Table: 154 Average LACNIC Region AS path length visible: 3.9 Max LACNIC Region AS path length visible: 19 Number of LACNIC addresses announced to Internet: 49406208 Equivalent to 2 /8s, 241 /16s and 225 /24s Percentage of available LACNIC address space announced: 49.1
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: 3588 Total AfriNIC prefixes after maximum aggregation: 1127 AfriNIC Deaggregation factor: 3.18 Prefixes being announced from the AfriNIC address blocks: 3995 Unique aggregates announced from the AfriNIC address blocks: 1805 AfriNIC Region origin ASes present in the Internet Routing Table: 232 AfriNIC Prefixes per ASN: 17.22 AfriNIC Region origin ASes announcing only one prefix: 78 AfriNIC Region transit ASes present in the Internet Routing Table: 42 Average AfriNIC Region AS path length visible: 3.8 Max AfriNIC Region AS path length visible: 14 Number of AfriNIC addresses announced to Internet: 10108416 Equivalent to 0 /8s, 154 /16s and 62 /24s Percentage of available AfriNIC address space announced: 30.1
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 1549 381 127 Videsh Sanchar Nigam Ltd. Aut 9498 1156 550 66 BHARTI BT INTERNET LTD. 9583 1148 109 26 Sify Limited 17488 1017 65 82 Hathway IP Over Cable Interne 4134 854 12409 315 CHINANET-BACKBONE 4766 846 6005 340 Korea Telecom (KIX) 23577 815 34 698 Korea Telecom (ATM-MPLS) 18101 675 126 54 Reliance Infocom Ltd Internet 9829 595 449 11 BSNL National Internet Backbo 4812 560 951 90 China Telecom (Shanghai)
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 7018 1428 5944 1004 AT&T WorldNet Services 4323 1392 1012 366 Time Warner Telecom 2386 1385 638 844 AT&T Data Communications Serv 11492 1213 146 27 Cable One 7011 1066 310 608 Citizens Utilities 18566 1043 296 10 Covad Communications 6197 990 728 477 BellSouth Network Solutions, 1785 985 479 105 AppliedTheory Corporation 174 962 6835 813 Cogent Communications 6478 932 238 111 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 398 1778 363 TDC Tele Danmark 8452 384 188 7 TEDATA 3301 345 1443 311 TeliaNet Sweden 3320 322 7045 267 Deutsche Telekom AG 8866 293 78 24 Bulgarian Telecommunication C 8551 279 267 42 Bezeq International 3215 276 2639 90 France Telecom Transpac 680 275 2046 258 DFN-IP service G-WiN 5462 275 666 26 Telewest Broadband 8708 275 421 245 Romania Data Systems S.A.
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 1191 2449 221 UniNet S.A. de C.V. 11830 556 299 9 Instituto Costarricense de El 7303 451 220 60 Telecom Argentina Stet-France 16814 426 27 10 NSS, S.A. 11172 406 116 68 Servicios Alestra S.A de C.V 6471 397 85 40 ENTEL CHILE S.A. 10620 372 98 47 TVCABLE BOGOTA 14117 352 25 15 Telefonica del Sur S.A. 22047 322 270 14 VTR PUNTO NET S.A. 20299 313 35 31 NEWCOM AMERICAS
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 451 60 27 LINKdotNET AS number 3741 291 869 224 The Internet Solution 2018 252 276 118 Tertiary Education Network 20858 217 34 4 EgyNet 6713 143 135 11 Itissalat Al-MAGHRIB 33783 130 9 16 EEPAD TISP TELECOM & INTERNET 5536 121 8 16 Internet Egypt Network 33776 99 6 7 Starcomms Nigeria Limited 24835 90 48 7 RAYA Telecom - Egypt 29571 80 13 7 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 4755 1549 381 127 Videsh Sanchar Nigam Ltd. Aut 7018 1428 5944 1004 AT&T WorldNet Services 4323 1392 1012 366 Time Warner Telecom 2386 1385 638 844 AT&T Data Communications Serv 11492 1213 146 27 Cable One 8151 1191 2449 221 UniNet S.A. de C.V. 9498 1156 550 66 BHARTI BT INTERNET LTD. 9583 1148 109 26 Sify Limited 7011 1066 310 608 Citizens Utilities 18566 1043 296 10 Covad Communications
Complete listing at http://thyme.apnic.net/current/data-ASnet
Global Per AS Maximum Aggr summary ----------------------------------
ASN No of nets Net Savings Description 11492 1213 1186 Cable One 9583 1148 1122 Sify Limited 9498 1156 1090 BHARTI BT INTERNET LTD. 18566 1043 1033 Covad Communications 4323 1392 1026 Time Warner Telecom 8151 1191 970 UniNet S.A. de C.V. 17488 1017 935 Hathway IP Over Cable Interne 1785 985 880 AppliedTheory Corporation 22773 891 825 Cox Communications, Inc. 6478 932 821 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 25639 UNALLOCATED 12.41.169.0/24 7018 AT&T WorldNet Servic 18506 UNALLOCATED 63.107.123.0/24 33286 Turlock Irrigation D 16886 UNALLOCATED 63.109.3.0/24 1239 Sprint 16886 UNALLOCATED 63.167.139.0/24 1239 Sprint 33526 UNALLOCATED 64.128.26.0/24 4323 Time Warner Telecom 65382 PRIVATE 72.158.126.0/24 6381 bellsouth.net, inc. 65383 PRIVATE 72.158.127.0/24 6381 bellsouth.net, inc. 65011 PRIVATE 74.43.150.0/24 7011 Citizens Utilities 65000 PRIVATE 78.108.160.0/24 39010 TerraNet sal 65000 PRIVATE 92.62.240.0/20 24750 Cable Internet Syste
Complete listing at http://thyme.apnic.net/current/data-badAS
Advertised Unallocated Addresses --------------------------------
Network Origin AS Description 24.48.10.0/23 19548 Adelphia Business Solutions 24.48.12.0/22 19548 Adelphia Business Solutions 24.48.80.0/21 19548 Adelphia Business Solutions 24.54.224.0/19 20001 HoldCo LLC - Road Runner 24.75.192.0/18 19548 Adelphia Business Solutions 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 41.207.64.0/24 36915 Africa Online Kenya
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 /8:19 /9:9 /10:16 /11:39 /12:138 /13:278 /14:497 /15:991 /16:9775 /17:4270 /18:7230 /19:15178 /20:17408 /21:16580 /22:21056 /23:22191 /24:130766 /25:769 /26:981 /27:491 /28:108 /29:9 /30:1 /31:0 /32:8
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 11492 1199 1213 Cable One 2386 1089 1385 AT&T Data Communications Serv 18566 1024 1043 Covad Communications 9583 985 1148 Sify Limited 7011 948 1066 Citizens Utilities 6478 931 932 AT&T Worldnet Services 4755 922 1549 Videsh Sanchar Nigam Ltd. Aut 17488 832 1017 Hathway IP Over Cable Interne 9498 818 1156 BHARTI BT INTERNET LTD. 23577 806 815 Korea Telecom (ATM-MPLS)
Complete listing at http://thyme.apnic.net/current/data/sXXas-nos
Number of /24s announced per /8 block (Global) ----------------------------------------------
4:9 8:100 11:1 12:1998 13:2 15:21 16:3 17:6 18:13 20:35 24:1042 25:1 32:61 33:4 38:402 40:95 41:627 44:2 46:5 47:8 52:3 55:3 56:3 57:22 58:510 59:420 60:418 61:983 62:1116 63:1969 64:3346 65:2362 66:3620 67:1038 68:646 69:2104 70:512 71:126 72:1495 73:6 74:876 75:234 76:274 77:597 78:521 79:99 80:881 81:845 82:611 83:371 84:542 85:946 86:393 87:632 88:301 89:1201 90:11 91:1095 92:225 93:135 96:18 97:15 98:95 99:2 116:553 117:274 118:82 119:235 121:461 122:716 123:292 124:803 125:1125 128:322 129:201 130:125 131:401 132:69 133:9 134:188 135:32 136:222 137:119 138:155 139:65 140:490 141:109 142:378 143:272 144:343 145:53 146:334 147:132 148:498 149:180 150:121 151:155 152:142 153:133 154:11 155:267 156:207 157:253 158:165 159:220 160:251 161:100 162:204 163:195 164:553 165:430 166:296 167:311 168:591 169:130 170:426 171:29 172:3 189:155 190:1492 192:5775 193:4107 194:3262 195:2357 196:1073 198:3782 199:3221 200:5512 201:1316 202:7585 203:7738 204:4010 205:2091 206:2421 207:2764 208:3218 209:3488 210:2534 211:1027 212:1309 213:1603 214:448 215:48 216:4209 217:1223 218:341 219:389 220:1068 221:401 222:311
End of report
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