Routing Table Report 04:00 +10GMT Wed 20 Aug, 2008
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 266073
Prefixes after maximum aggregation: 129674
Deaggregation factor: 2.05
Unique aggregates announced to Internet: 129485
Total ASes present in the Internet Routing Table: 28986
Prefixes per ASN: 9.18
Origin-only ASes present in the Internet Routing Table: 25229
Origin ASes announcing only one prefix: 12221
Transit ASes present in the Internet Routing Table: 3757
Transit-only ASes present in the Internet Routing Table: 80
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: 572
Unregistered ASNs in the Routing Table: 212
Number of 32-bit ASNs allocated by the RIRs: 58
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: 765
Number of addresses announced to Internet: 1892080928
Equivalent to 112 /8s, 198 /16s and 221 /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: 130383
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 61136
Total APNIC prefixes after maximum aggregation: 22703
APNIC Deaggregation factor: 2.69
Prefixes being announced from the APNIC address blocks: 58105
Unique aggregates announced from the APNIC address blocks: 26064
APNIC Region origin ASes present in the Internet Routing Table: 3334
APNIC Prefixes per ASN: 17.43
APNIC Region origin ASes announcing only one prefix: 881
APNIC Region transit ASes present in the Internet Routing Table: 517
Average APNIC Region AS path length visible: 3.5
Max APNIC Region AS path length visible: 14
Number of APNIC addresses announced to Internet: 371592992
Equivalent to 22 /8s, 38 /16s and 15 /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: 122033
Total ARIN prefixes after maximum aggregation: 65198
ARIN Deaggregation factor: 1.87
Prefixes being announced from the ARIN address blocks: 91214
Unique aggregates announced from the ARIN address blocks: 34875
ARIN Region origin ASes present in the Internet Routing Table: 12378
ARIN Prefixes per ASN: 7.37
ARIN Region origin ASes announcing only one prefix: 4768
ARIN Region transit ASes present in the Internet Routing Table: 1184
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 15
Number of ARIN addresses announced to Internet: 360495264
Equivalent to 21 /8s, 124 /16s and 184 /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: 57404
Total RIPE prefixes after maximum aggregation: 34815
RIPE Deaggregation factor: 1.65
Prefixes being announced from the RIPE address blocks: 52547
Unique aggregates announced from the RIPE address blocks: 35345
RIPE Region origin ASes present in the Internet Routing Table: 11753
RIPE Prefixes per ASN: 4.47
RIPE Region origin ASes announcing only one prefix: 6170
RIPE Region transit ASes present in the Internet Routing Table: 1788
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 18
Number of RIPE addresses announced to Internet: 369458048
Equivalent to 22 /8s, 5 /16s and 123 /24s
Percentage of available RIPE address space announced: 84.7
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: 20910
Total LACNIC prefixes after maximum aggregation: 5248
LACNIC Deaggregation factor: 3.98
Prefixes being announced from the LACNIC address blocks: 19177
Unique aggregates announced from the LACNIC address blocks: 10717
LACNIC Region origin ASes present in the Internet Routing Table: 982
LACNIC Prefixes per ASN: 19.53
LACNIC Region origin ASes announcing only one prefix: 323
LACNIC Region transit ASes present in the Internet Routing Table: 168
Average LACNIC Region AS path length visible: 4.1
Max LACNIC Region AS path length visible: 25
Number of LACNIC addresses announced to Internet: 54444800
Equivalent to 3 /8s, 62 /16s and 195 /24s
Percentage of available LACNIC address space announced: 54.1
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: 4017
Total AfriNIC prefixes after maximum aggregation: 1232
AfriNIC Deaggregation factor: 3.26
Prefixes being announced from the AfriNIC address blocks: 4364
Unique aggregates announced from the AfriNIC address blocks: 1920
AfriNIC Region origin ASes present in the Internet Routing Table: 249
AfriNIC Prefixes per ASN: 17.53
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: 12729088
Equivalent to 0 /8s, 194 /16s and 59 /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 1692 537 180 Videsh Sanchar Nigam Ltd. Aut
17488 1301 89 100 Hathway IP Over Cable Interne
9583 1177 92 493 Sify Limited
4766 864 6391 353 Korea Telecom (KIX)
4134 836 13523 339 CHINANET-BACKBONE
23577 822 35 697 Korea Telecom (ATM-MPLS)
4780 715 353 61 Digital United Inc.
18101 693 167 33 Reliance Infocom Ltd Internet
9498 667 291 54 BHARTI BT INTERNET LTD.
4808 618 1112 137 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 2879 3857 619 Qwest
6298 1977 319 742 Cox Communicatons
1785 1647 710 156 AppliedTheory Corporation
2386 1561 692 900 AT&T Data Communications Serv
4323 1495 1073 378 Time Warner Telecom
7018 1418 5816 990 AT&T WorldNet Services
11492 1214 151 22 Cable One
20115 1113 1080 573 Charter Communications
6478 1102 237 183 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 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
680 275 2047 265 DFN-IP service G-WiN
6746 270 126 244 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 1518 2592 222 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 419 85 48 ENTEL CHILE S.A.
11172 410 118 72 Servicios Alestra S.A de C.V
10620 376 100 82 TVCABLE BOGOTA
14117 345 23 9 Telefonica del Sur S.A.
28573 323 437 28 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 273 857 226 The Internet Solution
2018 213 213 130 Tertiary Education Network
6713 143 135 11 Itissalat Al-MAGHRIB
33783 136 10 13 EEPAD TISP TELECOM & INTERNET
5713 129 540 74 Telkom SA Ltd
5536 120 8 17 Internet Egypt Network
33776 115 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 3198 3358 208 bellsouth.net, inc.
209 2879 3857 619 Qwest
6298 1977 319 742 Cox Communicatons
4755 1692 537 180 Videsh Sanchar Nigam Ltd. Aut
1785 1647 710 156 AppliedTheory Corporation
2386 1561 692 900 AT&T Data Communications Serv
8151 1518 2592 222 UniNet S.A. de C.V.
4323 1495 1073 378 Time Warner Telecom
7018 1418 5816 990 AT&T WorldNet Services
17488 1301 89 100 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 2879 2260 Qwest
4755 1692 1512 Videsh Sanchar Nigam Ltd. Aut
1785 1647 1491 AppliedTheory Corporation
8151 1518 1296 UniNet S.A. de C.V.
6298 1977 1235 Cox Communicatons
17488 1301 1201 Hathway IP Over Cable Interne
11492 1214 1192 Cable One
4323 1495 1117 Time Warner Telecom
18566 1045 1035 Covad Communications
6478 1102 919 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
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 /14:526 /15:1056 /16:10031 /17:4371 /18:7552
/19:15999 /20:18695 /21:18274 /22:22996 /23:24130 /24:139225
/25:840 /26:1028 /27:718 /28:87 /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 1950 1977 Cox Communicatons
209 1645 2879 Qwest
2386 1240 1561 AT&T Data Communications Serv
11492 1195 1214 Cable One
1785 1116 1647 AppliedTheory Corporation
17488 1108 1301 Hathway IP Over Cable Interne
4755 1041 1692 Videsh Sanchar Nigam Ltd. Aut
9583 1033 1177 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 8:128 12:2109 13:2 15:22 16:3
17:5 18:13 20:35 24:1084 32:59 38:484
40:92 41:702 43:1 44:2 47:12 52:3
55:3 56:3 57:27 58:526 59:511 60:453
61:983 62:1212 63:2039 64:3212 65:2364 66:3430
67:1227 68:767 69:2298 70:861 71:135 72:2033
73:6 74:1107 75:165 76:307 77:756 78:813
79:218 80:965 81:846 82:592 83:377 84:573
85:984 86:400 87:718 88:338 89:1313 90:34
91:1401 92:245 93:783 94:109 96:55 97:57
98:308 99:3 114:98 115:41 116:940 117:336
118:197 119:463 120:73 121:578 122:817 123:378
124:842 125:1178 128:353 129:202 130:135 131:409
132:70 133:9 134:188 135:33 136:223 137:94
138:141 139:93 140:503 141:103 142:405 143:334
144:403 145:51 146:364 147:156 148:517 149:197
150:129 151:183 152:144 153:136 154:10 155:280
156:171 157:289 158:166 159:295 160:272 161:118
162:266 163:154 164:519 165:456 166:363 167:332
168:625 169:138 170:423 171:33 172:10 173:16
188:1 189:482 190:2071 192:5795 193:4138 194:3233
195:2562 196:1021 198:3738 199:3317 200:5542 201:1531
202:7667 203:8087 204:3947 205:2148 206:2370 207:2758
208:3501 209:3419 210:2606 211:1080 212:1421 213:1616
214:179 215:49 216:4366 217:1208 218:345 219:429
220:1060 221:455 222:310
End of report