Routing Table Report 04:00 +10GMT Sun 17 Aug, 2008
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 265917
Prefixes after maximum aggregation: 129691
Deaggregation factor: 2.05
Unique aggregates announced to Internet: 129428
Total ASes present in the Internet Routing Table: 28945
Prefixes per ASN: 9.19
Origin-only ASes present in the Internet Routing Table: 25200
Origin ASes announcing only one prefix: 12202
Transit ASes present in the Internet Routing Table: 3745
Transit-only ASes present in the Internet Routing Table: 79
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: 571
Unregistered ASNs in the Routing Table: 212
Number of 32-bit ASNs allocated by the RIRs: 57
Prefixes from 32-bit ASNs in the Routing Table: 7
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 806
Number of addresses announced to Internet: 1891417248
Equivalent to 112 /8s, 188 /16s and 188 /24s
Percentage of available address space announced: 51.0
Percentage of allocated address space announced: 62.0
Percentage of available address space allocated: 82.3
Percentage of address space in use by end-sites: 73.2
Total number of prefixes smaller than registry allocations: 130363
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 61146
Total APNIC prefixes after maximum aggregation: 22721
APNIC Deaggregation factor: 2.69
Prefixes being announced from the APNIC address blocks: 58115
Unique aggregates announced from the APNIC address blocks: 26138
APNIC Region origin ASes present in the Internet Routing Table: 3329
APNIC Prefixes per ASN: 17.46
APNIC Region origin ASes announcing only one prefix: 881
APNIC Region transit ASes present in the Internet Routing Table: 511
Average APNIC Region AS path length visible: 3.5
Max APNIC Region AS path length visible: 22
Number of APNIC addresses announced to Internet: 371648032
Equivalent to 22 /8s, 38 /16s and 230 /24s
Percentage of available APNIC address space announced: 79.1
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, 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: 121758
Total ARIN prefixes after maximum aggregation: 65107
ARIN Deaggregation factor: 1.87
Prefixes being announced from the ARIN address blocks: 90981
Unique aggregates announced from the ARIN address blocks: 34726
ARIN Region origin ASes present in the Internet Routing Table: 12358
ARIN Prefixes per ASN: 7.36
ARIN Region origin ASes announcing only one prefix: 4752
ARIN Region transit ASes present in the Internet Routing Table: 1188
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 15
Number of ARIN addresses announced to Internet: 360308128
Equivalent to 21 /8s, 121 /16s and 221 /24s
Percentage of available ARIN address space announced: 74.1
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: 57416
Total RIPE prefixes after maximum aggregation: 34841
RIPE Deaggregation factor: 1.65
Prefixes being announced from the RIPE address blocks: 52548
Unique aggregates announced from the RIPE address blocks: 35290
RIPE Region origin ASes present in the Internet Routing Table: 11738
RIPE Prefixes per ASN: 4.48
RIPE Region origin ASes announcing only one prefix: 6166
RIPE Region transit ASes present in the Internet Routing Table: 1778
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 18
Number of RIPE addresses announced to Internet: 369153280
Equivalent to 22 /8s, 0 /16s and 213 /24s
Percentage of available RIPE address space announced: 84.6
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, 47104-48127
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: 21043
Total LACNIC prefixes after maximum aggregation: 5310
LACNIC Deaggregation factor: 3.96
Prefixes being announced from the LACNIC address blocks: 19298
Unique aggregates announced from the LACNIC address blocks: 10763
LACNIC Region origin ASes present in the Internet Routing Table: 983
LACNIC Prefixes per ASN: 19.63
LACNIC Region origin ASes announcing only one prefix: 324
LACNIC Region transit ASes present in the Internet Routing Table: 169
Average LACNIC Region AS path length visible: 4.1
Max LACNIC Region AS path length visible: 25
Number of LACNIC addresses announced to Internet: 54403584
Equivalent to 3 /8s, 62 /16s and 34 /24s
Percentage of available LACNIC address space announced: 54.0
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: 3982
Total AfriNIC prefixes after maximum aggregation: 1235
AfriNIC Deaggregation factor: 3.22
Prefixes being announced from the AfriNIC address blocks: 4325
Unique aggregates announced from the AfriNIC address blocks: 1907
AfriNIC Region origin ASes present in the Internet Routing Table: 248
AfriNIC Prefixes per ASN: 17.44
AfriNIC Region origin ASes announcing only one prefix: 79
AfriNIC Region transit ASes present in the Internet Routing Table: 51
Average AfriNIC Region AS path length visible: 3.9
Max AfriNIC Region AS path length visible: 14
Number of AfriNIC addresses announced to Internet: 12723200
Equivalent to 0 /8s, 194 /16s and 36 /24s
Percentage of available AfriNIC address space announced: 37.9
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 1693 537 180 Videsh Sanchar Nigam Ltd. Aut
17488 1302 89 99 Hathway IP Over Cable Interne
9583 1176 92 493 Sify Limited
4766 858 6390 351 Korea Telecom (KIX)
4134 836 13523 339 CHINANET-BACKBONE
23577 823 35 698 Korea Telecom (ATM-MPLS)
4780 715 353 61 Digital United Inc.
18101 692 167 33 Reliance Infocom Ltd Internet
9498 674 291 54 BHARTI BT INTERNET LTD.
4808 616 1109 135 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 3198 3358 208 bellsouth.net, inc.
209 2874 3857 618 Qwest
6298 2004 323 731 Cox Communicatons
1785 1645 710 156 AppliedTheory Corporation
2386 1559 691 899 AT&T Data Communications Serv
4323 1492 1078 379 Time Warner Telecom
7018 1414 5816 986 AT&T WorldNet Services
11492 1214 151 22 Cable One
20115 1113 1080 573 Charter Communications
18566 1045 296 10 Covad 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 414 1776 372 TDC Tele Danmark
3215 371 2756 106 France Telecom Transpac
8452 357 188 11 TEDATA
3301 332 1444 303 TeliaNet Sweden
3320 323 7047 271 Deutsche Telekom AG
8866 317 77 21 Bulgarian Telecommunication C
5462 296 666 27 Telewest Broadband
8551 289 270 39 Bezeq International
680 274 2047 264 DFN-IP service G-WiN
6746 269 126 243 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 1514 2591 224 UniNet S.A. de C.V.
11830 664 299 9 Instituto Costarricense de El
22047 565 270 14 VTR PUNTO NET S.A.
7303 479 236 65 Telecom Argentina Stet-France
16814 426 27 10 NSS, S.A.
6471 417 85 48 ENTEL CHILE S.A.
11172 410 118 72 Servicios Alestra S.A de C.V
10620 371 99 90 TVCABLE BOGOTA
14117 348 23 9 Telefonica del Sur S.A.
28573 318 432 33 NET Servicos de Comunicao 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 496 64 28 LINKdotNET AS number
20858 402 34 3 EgyNet
3741 267 855 224 The Internet Solution
2018 211 213 130 Tertiary Education Network
6713 143 135 11 Itissalat Al-MAGHRIB
5713 129 540 74 Telkom SA Ltd
5536 120 8 17 Internet Egypt Network
33776 116 6 3 Starcomms Nigeria Limited
29571 107 13 8 Ci Telecom Autonomous system
33783 105 8 12 EEPAD TISP TELECOM & INTERNET
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 3198 3358 208 bellsouth.net, inc.
209 2874 3857 618 Qwest
6298 2004 323 731 Cox Communicatons
4755 1693 537 180 Videsh Sanchar Nigam Ltd. Aut
1785 1645 710 156 AppliedTheory Corporation
2386 1559 691 899 AT&T Data Communications Serv
8151 1514 2591 224 UniNet S.A. de C.V.
4323 1492 1078 379 Time Warner Telecom
7018 1414 5816 986 AT&T WorldNet Services
17488 1302 89 99 Hathway IP Over Cable Interne
Complete listing at http://thyme.apnic.net/current/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
209 2874 2256 Qwest
4755 1693 1513 Videsh Sanchar Nigam Ltd. Aut
1785 1645 1489 AppliedTheory Corporation
8151 1514 1290 UniNet S.A. de C.V.
6298 2004 1273 Cox Communicatons
17488 1302 1203 Hathway IP Over Cable Interne
11492 1214 1192 Cable One
4323 1492 1113 Time Warner Telecom
18566 1045 1035 Covad Communications
22773 959 897 Cox Communications, Inc.
Complete listing at http://thyme.apnic.net/current/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
65530 PRIVATE 8.7.233.0/24 20473 Net Transactions LLC
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
13632 UNALLOCATED 12.20.55.0/24 6517 Yipes Communications
13746 UNALLOCATED 12.24.56.0/24 7018 AT&T WorldNet Servic
32567 UNALLOCATED 12.25.107.0/24 7018 AT&T WorldNet Servic
13632 UNALLOCATED 12.31.25.0/24 6517 Yipes Communications
26973 UNALLOCATED 12.39.152.0/24 7018 AT&T WorldNet Servic
Complete listing at http://thyme.apnic.net/current/data-badAS
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
24.51.159.0/24 7843 Adelphia Corp.
24.53.86.0/24 7843 Adelphia Corp.
24.54.224.0/19 20001 HoldCo LLC - Road Runner
24.55.0.0/18 20001 HoldCo 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
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 /12:146
/13:293 /14:527 /15:1055 /16:10027 /17:4361 /18:7546
/19:16000 /20:18665 /21:18274 /22:22982 /23:24095 /24:139171
/25:838 /26:1025 /27:721 /28:85 /29:9 /30:1
/31:0 /32:7
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2035 3198 bellsouth.net, inc.
6298 1977 2004 Cox Communicatons
209 1643 2874 Qwest
2386 1239 1559 AT&T Data Communications Serv
11492 1195 1214 Cable One
1785 1114 1645 AppliedTheory Corporation
17488 1109 1302 Hathway IP Over Cable Interne
4755 1042 1693 Videsh Sanchar Nigam Ltd. Aut
9583 1032 1176 Sify Limited
18566 1026 1045 Covad Communications
Complete listing at http://thyme.apnic.net/current/data/sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:8 8:132 12:2108 13:2 14:1 15:22
16:3 17:5 18:13 20:35 24:1084 32:59
38:481 40:92 41:701 43:1 44:2 47:12
52:3 55:3 56:3 57:27 58:525 59:509
60:453 61:982 62:1212 63:2031 64:3215 65:2370
66:3427 67:1225 68:766 69:2279 70:864 71:132
72:2039 73:6 74:1102 75:164 76:307 77:756
78:820 79:225 80:979 81:823 82:609 83:379
84:572 85:982 86:397 87:714 88:338 89:1311
90:33 91:1416 92:239 93:767 94:107 96:54
97:51 98:306 99:3 114:85 115:41 116:943
117:330 118:196 119:460 120:73 121:586 122:816
123:375 124:893 125:1178 128:354 129:202 130:135
131:394 132:70 133:9 134:188 135:33 136:217
137:94 138:145 139:92 140:501 141:103 142:405
143:339 144:401 145:51 146:368 147:156 148:515
149:197 150:129 151:183 152:144 153:136 154:10
155:278 156:173 157:289 158:166 159:294 160:273
161:118 162:265 163:155 164:515 165:456 166:361
167:333 168:625 169:139 170:426 171:32 172:10
173:13 188:1 189:479 190:2128 192:5790 193:4123
194:3239 195:2551 196:1015 198:3724 199:3306 200:5592
201:1533 202:7687 203:8088 204:3908 205:2143 206:2342
207:2742 208:3485 209:3417 210:2609 211:1077 212:1421
213:1607 214:179 215:50 216:4372 217:1207 218:346
219:429 220:1062 221:455 222:310
End of report