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Routing Table Report 04:00 +10GMT Thu 28 Feb, 2008
Report Website: http://thyme.apnic.net Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary ----------------
BGP routing table entries examined: 247538 Prefixes after maximum aggregation: 125296 Deaggregation factor: 1.98 Unique aggregates announced to Internet: 119831 Total ASes present in the Internet Routing Table: 27472 Prefixes per ASN: 9.01 Origin-only ASes present in the Internet Routing Table: 23958 Origin ASes announcing only one prefix: 11622 Transit ASes present in the Internet Routing Table: 3514 Transit-only ASes present in the Internet Routing Table: 73 Average AS path length visible in the Internet Routing Table: 3.6 Max AS path length visible: 19 Max AS path prepend of ASN (29642) 15 Prefixes from unregistered ASNs in the Routing Table: 40 Unregistered ASNs in the Routing Table: 14 Number of 32-bit ASNs allocated by the RIRs: 46 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: 879 Number of addresses announced to Internet: 1854825792 Equivalent to 110 /8s, 142 /16s and 101 /24s Percentage of available address space announced: 50.0 Percentage of allocated address space announced: 61.4 Percentage of available address space allocated: 81.4 Percentage of address space in use by end-sites: 70.6 Total number of prefixes smaller than registry allocations: 117366
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 56572 Total APNIC prefixes after maximum aggregation: 20835 APNIC Deaggregation factor: 2.72 Prefixes being announced from the APNIC address blocks: 54058 Unique aggregates announced from the APNIC address blocks: 22881 APNIC Region origin ASes present in the Internet Routing Table: 3140 APNIC Prefixes per ASN: 17.22 APNIC Region origin ASes announcing only one prefix: 832 APNIC Region transit ASes present in the Internet Routing Table: 484 Average APNIC Region AS path length visible: 3.6 Max APNIC Region AS path length visible: 15 Number of APNIC addresses announced to Internet: 331025600 Equivalent to 19 /8s, 187 /16s and 12 /24s Percentage of available APNIC address space announced: 75.9
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: 116057 Total ARIN prefixes after maximum aggregation: 65657 ARIN Deaggregation factor: 1.77 Prefixes being announced from the ARIN address blocks: 84724 Unique aggregates announced from the ARIN address blocks: 33415 ARIN Region origin ASes present in the Internet Routing Table: 12169 ARIN Prefixes per ASN: 6.96 ARIN Region origin ASes announcing only one prefix: 4699 ARIN Region transit ASes present in the Internet Routing Table: 1144 Average ARIN Region AS path length visible: 3.4 Max ARIN Region AS path length visible: 15 Number of ARIN addresses announced to Internet: 358266240 Equivalent to 21 /8s, 90 /16s and 181 /24s Percentage of available ARIN address space announced: 73.6
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: 52573 Total RIPE prefixes after maximum aggregation: 32931 RIPE Deaggregation factor: 1.60 Prefixes being announced from the RIPE address blocks: 47681 Unique aggregates announced from the RIPE address blocks: 32116 RIPE Region origin ASes present in the Internet Routing Table: 10953 RIPE Prefixes per ASN: 4.35 RIPE Region origin ASes announcing only one prefix: 5718 RIPE Region transit ASes present in the Internet Routing Table: 1662 Average RIPE Region AS path length visible: 4.0 Max RIPE Region AS path length visible: 18 Number of RIPE addresses announced to Internet: 346742016 Equivalent to 20 /8s, 170 /16s and 221 /24s Percentage of available RIPE address space announced: 79.5
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 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: 18757 Total LACNIC prefixes after maximum aggregation: 4734 LACNIC Deaggregation factor: 3.96 Prefixes being announced from the LACNIC address blocks: 17138 Unique aggregates announced from the LACNIC address blocks: 9391 LACNIC Region origin ASes present in the Internet Routing Table: 907 LACNIC Prefixes per ASN: 18.90 LACNIC Region origin ASes announcing only one prefix: 299 LACNIC Region transit ASes present in the Internet Routing Table: 152 Average LACNIC Region AS path length visible: 3.9 Max LACNIC Region AS path length visible: 19 Number of LACNIC addresses announced to Internet: 48484864 Equivalent to 2 /8s, 227 /16s and 210 /24s Percentage of available LACNIC address space announced: 48.2
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: 3538 Total AfriNIC prefixes after maximum aggregation: 1121 AfriNIC Deaggregation factor: 3.16 Prefixes being announced from the AfriNIC address blocks: 3974 Unique aggregates announced from the AfriNIC address blocks: 1806 AfriNIC Region origin ASes present in the Internet Routing Table: 229 AfriNIC Prefixes per ASN: 17.35 AfriNIC Region origin ASes announcing only one prefix: 74 AfriNIC Region transit ASes present in the Internet Routing Table: 44 Average AfriNIC Region AS path length visible: 3.8 Max AfriNIC Region AS path length visible: 14 Number of AfriNIC addresses announced to Internet: 10015232 Equivalent to 0 /8s, 152 /16s and 210 /24s Percentage of available AfriNIC address space announced: 29.8
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 1579 386 79 Videsh Sanchar Nigam Ltd. Aut 9583 1152 109 24 Sify Limited 9498 1136 550 66 BHARTI BT INTERNET LTD. 17488 992 64 89 Hathway IP Over Cable Interne 4766 856 5496 346 Korea Telecom (KIX) 4134 852 12089 313 CHINANET-BACKBONE 23577 813 34 697 Korea Telecom (ATM-MPLS) 18101 708 127 62 Reliance Infocom Ltd Internet 9829 595 449 11 BSNL National Internet Backbo 4812 555 941 88 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 1426 5989 990 AT&T WorldNet Services 4323 1378 1011 365 Time Warner Telecom 2386 1374 638 840 AT&T Data Communications Serv 11492 1210 138 28 Cable One 7011 1058 309 613 Citizens Utilities 18566 1042 296 10 Covad Communications 6197 995 729 475 BellSouth Network Solutions, 174 976 6834 807 Cogent Communications 6478 929 237 114 AT&T Worldnet Services 20115 887 808 484 Charter Communications
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 390 188 7 TEDATA 3301 335 1443 305 TeliaNet Sweden 3320 325 7045 269 Deutsche Telekom AG 8866 291 78 24 Bulgarian Telecommunication C 8551 279 267 42 Bezeq International 680 276 2046 256 DFN-IP service G-WiN 8708 275 421 245 Romania Data Systems S.A. 3215 273 2607 94 France Telecom Transpac 6746 269 128 247 Dynamic Network Technologies,
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 1170 2437 217 UniNet S.A. de C.V. 11830 555 299 9 Instituto Costarricense de El 7303 445 216 56 Telecom Argentina Stet-France 16814 426 27 10 NSS, S.A. 11172 399 115 65 Servicios Alestra S.A de C.V 6471 398 85 40 ENTEL CHILE S.A. 10620 365 96 53 TVCABLE BOGOTA 14117 352 25 15 Telefonica del Sur S.A. 22047 323 270 14 VTR PUNTO NET S.A. 10481 302 122 10 Prima 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 444 60 27 LINKdotNET AS number 3741 282 869 224 The Internet Solution 2018 245 276 111 Tertiary Education Network 20858 191 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 1579 386 79 Videsh Sanchar Nigam Ltd. Aut 7018 1426 5989 990 AT&T WorldNet Services 4323 1378 1011 365 Time Warner Telecom 2386 1374 638 840 AT&T Data Communications Serv 11492 1210 138 28 Cable One 8151 1170 2437 217 UniNet S.A. de C.V. 9583 1152 109 24 Sify Limited 9498 1136 550 66 BHARTI BT INTERNET LTD. 7011 1058 309 613 Citizens Utilities 18566 1042 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 1210 1182 Cable One 9583 1152 1128 Sify Limited 9498 1136 1070 BHARTI BT INTERNET LTD. 18566 1042 1032 Covad Communications 4323 1378 1013 Time Warner Telecom 8151 1170 953 UniNet S.A. de C.V. 17488 992 903 Hathway IP Over Cable Interne 6478 929 815 AT&T Worldnet Services 22773 877 812 Cox Communications, Inc. 19262 884 733 Verizon Global Networks
Complete listing at http://thyme.apnic.net/current/data-CIDRnet
List of Unregistered Origin ASNs (Global) -----------------------------------------
Bad AS Designation Network Transit AS Description 15190 UNALLOCATED 63.98.176.0/24 701 UUNET Technologies, 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 21624 UNALLOCATED 65.163.176.0/24 701 UUNET Technologies, 65000 PRIVATE 92.62.240.0/20 24750 Cable Internet Syste 64601 PRIVATE 118.232.77.0/24 9924 Taiwan Fixed Network 64601 PRIVATE 118.232.78.0/24 9924 Taiwan Fixed Network 64601 PRIVATE 118.232.224.0/21 9924 Taiwan Fixed Network
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 24.142.40.0/21 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
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 /8:20 /9:9 /10:16 /11:39 /12:136 /13:276 /14:496 /15:989 /16:9771 /17:4255 /18:7114 /19:15175 /20:17338 /21:16510 /22:20910 /23:22009 /24:129784 /25:887 /26:1110 /27:569 /28:107 /29:9 /30:1 /31:0 /32:8
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 11492 1198 1210 Cable One 2386 1080 1374 AT&T Data Communications Serv 18566 1023 1042 Covad Communications 9583 988 1152 Sify Limited 7011 941 1058 Citizens Utilities 4755 934 1579 Videsh Sanchar Nigam Ltd. Aut 6478 928 929 AT&T Worldnet Services 17488 807 992 Hathway IP Over Cable Interne 23577 804 813 Korea Telecom (ATM-MPLS) 9498 803 1136 BHARTI BT INTERNET LTD.
Complete listing at http://thyme.apnic.net/current/data/sXXas-nos
Number of /24s announced per /8 block (Global) ----------------------------------------------
4:9 8:101 12:1989 13:2 15:21 16:3 17:6 18:13 20:35 24:1030 25:1 31:1 32:61 33:4 38:395 40:65 41:609 44:2 47:8 52:3 55:3 56:3 57:22 58:520 59:423 60:407 61:989 62:1083 63:1955 64:3358 65:2375 66:3657 67:1140 68:632 69:2111 70:486 71:123 72:1459 73:6 74:850 75:237 76:259 77:561 78:500 79:84 80:879 81:814 82:594 83:353 84:509 85:1002 86:387 87:650 88:300 89:1171 90:12 91:1052 92:138 93:96 95:2 96:15 97:10 98:84 99:3 114:1 115:1 116:531 117:265 118:86 119:159 121:433 122:708 123:292 124:802 125:1101 128:317 129:198 130:132 131:400 132:69 133:9 134:187 135:37 136:220 137:117 138:153 139:63 140:487 141:108 142:377 143:270 144:343 145:53 146:335 147:131 148:486 149:177 150:124 151:149 152:92 153:131 154:11 155:291 156:201 157:250 158:164 159:217 160:245 161:101 162:204 163:195 164:563 165:426 166:293 167:307 168:587 169:133 170:425 171:28 172:3 189:154 190:1402 192:5765 193:4102 194:3260 195:2332 196:1080 198:3779 199:3202 200:5461 201:1295 202:7575 203:7780 204:3970 205:2073 206:2402 207:2722 208:3153 209:3559 210:2533 211:1027 212:1290 213:1596 214:446 215:48 216:4169 217:1205 218:338 219:399 220:1096 221:403 222:308
End of report
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