Routing Table Report 04:00 +10GMT Tue 25 Nov, 2008
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 274340
Prefixes after maximum aggregation: 131899
Deaggregation factor: 2.08
Unique aggregates announced to Internet: 133126
Total ASes present in the Internet Routing Table: 29869
Prefixes per ASN: 9.18
Origin-only ASes present in the Internet Routing Table: 26023
Origin ASes announcing only one prefix: 12676
Transit ASes present in the Internet Routing Table: 3846
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: 25
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: 65
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: 194
Number of addresses announced to Internet: 1960803328
Equivalent to 116 /8s, 223 /16s and 124 /24s
Percentage of available address space announced: 52.9
Percentage of allocated address space announced: 63.2
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: 135249
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 62932
Total APNIC prefixes after maximum aggregation: 23372
APNIC Deaggregation factor: 2.69
Prefixes being announced from the APNIC address blocks: 59845
Unique aggregates announced from the APNIC address blocks: 27033
APNIC Region origin ASes present in the Internet Routing Table: 3471
APNIC Prefixes per ASN: 17.24
APNIC Region origin ASes announcing only one prefix: 939
APNIC Region transit ASes present in the Internet Routing Table: 533
Average APNIC Region AS path length visible: 3.5
Max APNIC Region AS path length visible: 19
Number of APNIC addresses announced to Internet: 386200480
Equivalent to 23 /8s, 4 /16s and 243 /24s
Percentage of available APNIC address space announced: 76.7
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: 124203
Total ARIN prefixes after maximum aggregation: 64894
ARIN Deaggregation factor: 1.91
Prefixes being announced from the ARIN address blocks: 93532
Unique aggregates announced from the ARIN address blocks: 34718
ARIN Region origin ASes present in the Internet Routing Table: 12607
ARIN Prefixes per ASN: 7.42
ARIN Region origin ASes announcing only one prefix: 4868
ARIN Region transit ASes present in the Internet Routing Table: 1193
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 16
Number of ARIN addresses announced to Internet: 401268896
Equivalent to 23 /8s, 234 /16s and 224 /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: 60341
Total RIPE prefixes after maximum aggregation: 36187
RIPE Deaggregation factor: 1.67
Prefixes being announced from the RIPE address blocks: 55958
Unique aggregates announced from the RIPE address blocks: 37461
RIPE Region origin ASes present in the Internet Routing Table: 12218
RIPE Prefixes per ASN: 4.58
RIPE Region origin ASes announcing only one prefix: 6443
RIPE Region transit ASes present in the Internet Routing Table: 1859
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 18
Number of RIPE addresses announced to Internet: 379375456
Equivalent to 22 /8s, 156 /16s and 207 /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: 22358
Total LACNIC prefixes after maximum aggregation: 5580
LACNIC Deaggregation factor: 4.01
Prefixes being announced from the LACNIC address blocks: 20378
Unique aggregates announced from the LACNIC address blocks: 11385
LACNIC Region origin ASes present in the Internet Routing Table: 1034
LACNIC Prefixes per ASN: 19.71
LACNIC Region origin ASes announcing only one prefix: 341
LACNIC Region transit ASes present in the Internet Routing Table: 167
Average LACNIC Region AS path length visible: 4.0
Max LACNIC Region AS path length visible: 18
Number of LACNIC addresses announced to Internet: 58149376
Equivalent to 3 /8s, 119 /16s and 74 /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: 3989
Total AfriNIC prefixes after maximum aggregation: 1437
AfriNIC Deaggregation factor: 2.78
Prefixes being announced from the AfriNIC address blocks: 4282
Unique aggregates announced from the AfriNIC address blocks: 2087
AfriNIC Region origin ASes present in the Internet Routing Table: 268
AfriNIC Prefixes per ASN: 15.98
AfriNIC Region origin ASes announcing only one prefix: 85
AfriNIC Region transit ASes present in the Internet Routing Table: 51
Average AfriNIC Region AS path length visible: 4.2
Max AfriNIC Region AS path length visible: 25
Number of AfriNIC addresses announced to Internet: 12951296
Equivalent to 0 /8s, 197 /16s and 159 /24s
Percentage of available AfriNIC address space announced: 25.7
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 1433 100 115 Hathway IP Over Cable Interne
4755 1186 474 156 TATA Communications formerly
9583 1150 87 481 Sify Limited
4766 1118 6409 364 Korea Telecom (KIX)
4134 907 15024 371 CHINANET-BACKBONE
23577 810 35 697 Korea Telecom (ATM-MPLS)
18101 785 168 31 Reliance Infocom Ltd Internet
4780 730 357 63 Digital United Inc.
9498 689 295 50 BHARTI BT INTERNET LTD.
7545 645 152 80 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 4372 3434 344 bellsouth.net, inc.
209 2993 4032 619 Qwest
6298 2151 333 633 Cox Communicatons
20115 1841 1461 735 Charter Communications
1785 1699 717 154 PaeTec Communications, Inc.
6478 1674 368 204 AT&T Worldnet Services
2386 1599 702 903 AT&T Data Communications Serv
4323 1590 1068 378 Time Warner Telecom
7018 1417 5871 980 AT&T WorldNet Services
11492 1217 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 1766 382 TDC Tele Danmark
12479 370 578 6 Uni2 Autonomous System
30890 366 80 196 SC Kappa Invexim SRL
3301 338 1429 307 TeliaNet Sweden
8866 336 111 23 Bulgarian Telecommunication C
29049 333 26 3 AzerSat LLC.
3320 323 7062 272 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 671 299 9 Instituto Costarricense de El
22047 533 270 14 VTR PUNTO NET S.A.
10620 530 121 47 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 347 469 24 NET Servicos de Comunicao S.A
14117 331 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 382 57 132 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 142 10 17 EEPAD TISP TELECOM & INTERNET
6713 137 135 11 Itissalat Al-MAGHRIB
5536 124 8 7 Internet Egypt Network
5713 121 555 70 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 4372 3434 344 bellsouth.net, inc.
209 2993 4032 619 Qwest
6298 2151 333 633 Cox Communicatons
20115 1841 1461 735 Charter Communications
1785 1699 717 154 PaeTec Communications, Inc.
6478 1674 368 204 AT&T Worldnet Services
2386 1599 702 903 AT&T Data Communications Serv
4323 1590 1068 378 Time Warner Telecom
17488 1433 100 115 Hathway IP Over Cable Interne
7018 1417 5871 980 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 2993 2374 Qwest
1785 1699 1545 PaeTec Communications, Inc.
6298 2151 1518 Cox Communicatons
6478 1674 1470 AT&T Worldnet Services
17488 1433 1318 Hathway IP Over Cable Interne
4323 1590 1212 Time Warner Telecom
11492 1217 1205 Cable One
8151 1400 1179 UniNet S.A. de C.V.
20115 1841 1106 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 /11:54 /12:158
/13:307 /14:548 /15:1076 /16:10169 /17:4469 /18:7696
/19:16535 /20:19405 /21:19125 /22:24231 /23:24835 /24:142912
/25:851 /26:1020 /27:789 /28:96 /29:9 /30:1
/31:0 /32:7
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2858 4372 bellsouth.net, inc.
6298 2125 2151 Cox Communicatons
209 1713 2993 Qwest
2386 1278 1599 AT&T Data Communications Serv
17488 1223 1433 Hathway IP Over Cable Interne
11492 1192 1217 Cable One
1785 1160 1699 PaeTec Communications, Inc.
6478 1106 1674 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)
----------------------------------------------
1:1 4:12 8:158 12:2181 13:2 15:21
16:3 17:5 20:36 24:1126 30:1 32:54
38:514 40:93 41:760 43:1 44:2 47:12
52:3 55:3 56:3 57:27 58:496 59:554
60:457 61:1042 62:1112 63:2012 64:3275 65:2435
66:3503 67:1338 68:846 69:2324 70:897 71:171
72:2083 73:7 74:1305 75:169 76:273 77:891
78:519 79:287 80:927 81:861 82:553 83:410
84:583 85:1044 86:508 87:641 88:352 89:1362
90:29 91:1692 92:309 93:978 94:679 95:29
96:90 97:138 98:398 99:15 100:1 113:39
114:123 115:159 116:1044 117:405 118:292 119:544
120:104 121:642 122:882 123:454 124:841 125:1233
128:359 129:219 130:135 131:409 132:72 133:9
134:187 135:31 136:221 137:117 138:144 139:85
140:416 141:111 142:393 143:310 144:302 145:52
146:373 147:143 148:603 149:212 150:143 151:210
152:140 153:131 154:10 155:276 156:175 157:301
158:168 159:299 160:273 161:132 162:249 163:132
164:517 165:512 166:361 167:339 168:647 169:155
170:456 171:40 172:10 173:140 174:5 187:18
188:1 189:312 190:2398 192:5827 193:4126 194:3293
195:2616 196:1004 198:3708 199:3286 200:5518 201:1461
202:7630 203:8058 204:3935 205:2195 206:2295 207:2761
208:3730 209:3429 210:2614 211:1125 212:1539 213:1633
214:69 215:25 216:4380 217:1234 218:352 219:412
220:1082 221:439 222:308
End of report