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