Routing Table Report 04:00 +10GMT Wed 26 Nov, 2008
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 274920
Prefixes after maximum aggregation: 131917
Deaggregation factor: 2.08
Unique aggregates announced to Internet: 133240
Total ASes present in the Internet Routing Table: 29898
Prefixes per ASN: 9.20
Origin-only ASes present in the Internet Routing Table: 26035
Origin ASes announcing only one prefix: 12692
Transit ASes present in the Internet Routing Table: 3863
Transit-only ASes present in the Internet Routing Table: 87
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 18
Max AS path prepend of ASN ( 3816) 15
Prefixes from unregistered ASNs in the Routing Table: 539
Unregistered ASNs in the Routing Table: 196
Number of 32-bit ASNs allocated by the RIRs: 64
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: 196
Number of addresses announced to Internet: 1963284736
Equivalent to 117 /8s, 5 /16s and 89 /24s
Percentage of available address space announced: 53.0
Percentage of allocated address space announced: 63.3
Percentage of available address space allocated: 83.7
Percentage of address space in use by end-sites: 74.4
Total number of prefixes smaller than registry allocations: 135701
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 63021
Total APNIC prefixes after maximum aggregation: 23370
APNIC Deaggregation factor: 2.70
Prefixes being announced from the APNIC address blocks: 59936
Unique aggregates announced from the APNIC address blocks: 27032
APNIC Region origin ASes present in the Internet Routing Table: 3471
APNIC Prefixes per ASN: 17.27
APNIC Region origin ASes announcing only one prefix: 935
APNIC Region transit ASes present in the Internet Routing Table: 532
Average APNIC Region AS path length visible: 3.5
Max APNIC Region AS path length visible: 17
Number of APNIC addresses announced to Internet: 388192672
Equivalent to 23 /8s, 35 /16s and 89 /24s
Percentage of available APNIC address space announced: 77.1
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, 110/8, 111/8, 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: 124401
Total ARIN prefixes after maximum aggregation: 64962
ARIN Deaggregation factor: 1.91
Prefixes being announced from the ARIN address blocks: 93688
Unique aggregates announced from the ARIN address blocks: 34720
ARIN Region origin ASes present in the Internet Routing Table: 12616
ARIN Prefixes per ASN: 7.43
ARIN Region origin ASes announcing only one prefix: 4877
ARIN Region transit ASes present in the Internet Routing Table: 1198
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 16
Number of ARIN addresses announced to Internet: 401379488
Equivalent to 23 /8s, 236 /16s and 144 /24s
Percentage of available ARIN address space announced: 82.5
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, 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: 60429
Total RIPE prefixes after maximum aggregation: 36210
RIPE Deaggregation factor: 1.67
Prefixes being announced from the RIPE address blocks: 56035
Unique aggregates announced from the RIPE address blocks: 37419
RIPE Region origin ASes present in the Internet Routing Table: 12234
RIPE Prefixes per ASN: 4.58
RIPE Region origin ASes announcing only one prefix: 6453
RIPE Region transit ASes present in the Internet Routing Table: 1865
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 17
Number of RIPE addresses announced to Internet: 379582048
Equivalent to 22 /8s, 159 /16s and 246 /24s
Percentage of available RIPE address space announced: 87.0
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: 22408
Total LACNIC prefixes after maximum aggregation: 5581
LACNIC Deaggregation factor: 4.02
Prefixes being announced from the LACNIC address blocks: 20430
Unique aggregates announced from the LACNIC address blocks: 11411
LACNIC Region origin ASes present in the Internet Routing Table: 1034
LACNIC Prefixes per ASN: 19.76
LACNIC Region origin ASes announcing only one prefix: 341
LACNIC Region transit ASes present in the Internet Routing Table: 168
Average LACNIC Region AS path length visible: 4.0
Max LACNIC Region AS path length visible: 18
Number of LACNIC addresses announced to Internet: 58175488
Equivalent to 3 /8s, 119 /16s and 176 /24s
Percentage of available LACNIC address space announced: 57.8
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: 4144
Total AfriNIC prefixes after maximum aggregation: 1365
AfriNIC Deaggregation factor: 3.04
Prefixes being announced from the AfriNIC address blocks: 4446
Unique aggregates announced from the AfriNIC address blocks: 2207
AfriNIC Region origin ASes present in the Internet Routing Table: 272
AfriNIC Prefixes per ASN: 16.35
AfriNIC Region origin ASes announcing only one prefix: 86
AfriNIC Region transit ASes present in the Internet Routing Table: 55
Average AfriNIC Region AS path length visible: 4.0
Max AfriNIC Region AS path length visible: 14
Number of AfriNIC addresses announced to Internet: 13023488
Equivalent to 0 /8s, 198 /16s and 185 /24s
Percentage of available AfriNIC address space announced: 25.9
AfriNIC AS Blocks 36864-37887 & ERX transfers
AfriNIC Address Blocks 41/8, 196/8, 197/8,
APNIC Region per AS prefix count summary
----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
17488 1435 100 113 Hathway IP Over Cable Interne
4755 1168 474 156 TATA Communications formerly
9583 1150 87 481 Sify Limited
4766 1129 6409 364 Korea Telecom (KIX)
4134 908 15536 372 CHINANET-BACKBONE
23577 807 34 694 Korea Telecom (ATM-MPLS)
18101 786 168 32 Reliance Infocom Ltd Internet
4780 728 357 63 Digital United Inc.
9498 688 295 50 BHARTI BT INTERNET LTD.
7545 646 152 81 TPG Internet Pty Ltd
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 4376 3434 344 bellsouth.net, inc.
209 2990 4032 620 Qwest
6298 2151 333 633 Cox Communicatons
20115 1840 1460 736 Charter Communications
1785 1699 717 154 PaeTec Communications, Inc.
6478 1604 368 205 AT&T Worldnet Services
2386 1596 701 902 AT&T Data Communications Serv
4323 1590 1068 378 Time Warner Telecom
7018 1420 5872 981 AT&T WorldNet Services
11492 1218 192 12 Cable One
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 431 1765 381 TDC Tele Danmark
12479 370 578 6 Uni2 Autonomous System
30890 367 80 196 SC Kappa Invexim SRL
3301 338 1429 307 TeliaNet Sweden
29049 333 26 3 AzerSat LLC.
8866 330 109 22 Bulgarian Telecommunication C
3320 324 7063 273 Deutsche Telekom AG
3215 316 2788 99 France Telecom Transpac
8452 311 188 11 TEDATA
8551 303 286 36 Bezeq International
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 1400 2832 221 UniNet S.A. de C.V.
11830 664 299 9 Instituto Costarricense de El
22047 534 270 14 VTR PUNTO NET S.A.
10620 528 120 43 TVCABLE BOGOTA
7303 496 244 71 Telecom Argentina Stet-France
16814 426 27 10 NSS, S.A.
6471 425 88 50 ENTEL CHILE S.A.
11172 402 118 72 Servicios Alestra S.A de C.V
28573 351 473 25 NET Servicos de Comunicao S.A
14117 335 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 491 70 49 LINKdotNET AS number
3741 270 857 226 The Internet Solution
20858 261 34 3 EgyNet
2018 238 215 140 Tertiary Education Network
29571 148 13 8 Ci Telecom Autonomous system
33783 143 10 17 EEPAD TISP TELECOM & INTERNET
6713 137 135 11 Itissalat Al-MAGHRIB
5536 120 8 17 Internet Egypt Network
5713 119 555 68 Telkom SA Ltd
33776 116 6 3 Starcomms Nigeria Limited
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 4376 3434 344 bellsouth.net, inc.
209 2990 4032 620 Qwest
6298 2151 333 633 Cox Communicatons
20115 1840 1460 736 Charter Communications
1785 1699 717 154 PaeTec Communications, Inc.
6478 1604 368 205 AT&T Worldnet Services
2386 1596 701 902 AT&T Data Communications Serv
4323 1590 1068 378 Time Warner Telecom
17488 1435 100 113 Hathway IP Over Cable Interne
7018 1420 5872 981 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 2990 2370 Qwest
1785 1699 1545 PaeTec Communications, Inc.
6298 2151 1518 Cox Communicatons
6478 1604 1399 AT&T Worldnet Services
17488 1435 1322 Hathway IP Over Cable Interne
4323 1590 1212 Time Warner Telecom
11492 1218 1206 Cable One
8151 1400 1179 UniNet S.A. de C.V.
20115 1840 1104 Charter Communications
18566 1059 1049 Covad Communications
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
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
25639 UNALLOCATED 12.41.169.0/24 7018 AT&T WorldNet Servic
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
62.61.221.0/24 24974 Tachyon Europe BV - Wireless
63.140.213.0/24 22555 Universal Talkware Corporatio
63.143.251.0/24 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 /8:19 /9:9 /10:19 /11:55 /12:158
/13:307 /14:548 /15:1078 /16:10173 /17:4466 /18:7697
/19:16566 /20:19429 /21:19107 /22:24259 /23:24937 /24:143319
/25:851 /26:1021 /27:790 /28:95 /29:9 /30:1
/31:0 /32:7
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2859 4376 bellsouth.net, inc.
6298 2125 2151 Cox Communicatons
209 1712 2990 Qwest
2386 1275 1596 AT&T Data Communications Serv
17488 1225 1435 Hathway IP Over Cable Interne
11492 1193 1218 Cable One
1785 1160 1699 PaeTec Communications, Inc.
6478 1106 1604 AT&T Worldnet Services
18566 1040 1059 Covad Communications
9583 1016 1150 Sify Limited
Complete listing at http://thyme.apnic.net/current/data/sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:12 8:159 12:2183 13:2 15:21 16:3
17:5 20:36 24:1125 32:54 38:514 40:93
41:797 43:1 44:2 47:12 52:3 55:3
56:3 57:27 58:496 59:558 60:457 61:1039
62:1117 63:2012 64:3299 65:2444 66:3524 67:1364
68:847 69:2356 70:897 71:171 72:2077 73:7
74:1305 75:170 76:289 77:896 78:521 79:286
80:933 81:853 82:570 83:410 84:583 85:1046
86:508 87:651 88:349 89:1364 90:29 91:1704
92:314 93:979 94:685 95:39 96:91 97:138
98:397 99:9 100:1 113:41 114:132 115:160
116:1044 117:406 118:292 119:540 120:106 121:648
122:885 123:449 124:840 125:1237 128:357 129:219
130:135 131:410 132:72 133:9 134:187 135:31
136:223 137:117 138:144 139:86 140:415 141:111
142:393 143:309 144:303 145:52 146:373 147:143
148:606 149:212 150:143 151:210 152:140 153:131
154:10 155:276 156:175 157:301 158:168 159:298
160:273 161:132 162:249 163:132 164:518 165:512
166:361 167:340 168:647 169:155 170:458 171:40
172:10 173:122 174:6 187:18 188:1 189:315
190:2413 192:5835 193:4130 194:3287 195:2623 196:1013
198:3710 199:3301 200:5520 201:1469 202:7675 203:8039
204:3935 205:2194 206:2301 207:2762 208:3741 209:3440
210:2627 211:1126 212:1550 213:1635 214:69 215:25
216:4396 217:1240 218:352 219:413 220:1082 221:441
222:307
End of report