Routing Table Report 04:00 +10GMT Thu 21 Aug, 2008
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 266228
Prefixes after maximum aggregation: 129766
Deaggregation factor: 2.05
Unique aggregates announced to Internet: 129674
Total ASes present in the Internet Routing Table: 28992
Prefixes per ASN: 9.18
Origin-only ASes present in the Internet Routing Table: 25241
Origin ASes announcing only one prefix: 12218
Transit ASes present in the Internet Routing Table: 3751
Transit-only ASes present in the Internet Routing Table: 78
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: 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: 771
Number of addresses announced to Internet: 1893319968
Equivalent to 112 /8s, 217 /16s and 197 /24s
Percentage of available address space announced: 51.1
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: 130468
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 61178
Total APNIC prefixes after maximum aggregation: 22717
APNIC Deaggregation factor: 2.69
Prefixes being announced from the APNIC address blocks: 58142
Unique aggregates announced from the APNIC address blocks: 26147
APNIC Region origin ASes present in the Internet Routing Table: 3336
APNIC Prefixes per ASN: 17.43
APNIC Region origin ASes announcing only one prefix: 878
APNIC Region transit ASes present in the Internet Routing Table: 516
Average APNIC Region AS path length visible: 3.5
Max APNIC Region AS path length visible: 19
Number of APNIC addresses announced to Internet: 372399136
Equivalent to 22 /8s, 50 /16s and 92 /24s
Percentage of available APNIC address space announced: 79.3
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: 122077
Total ARIN prefixes after maximum aggregation: 65213
ARIN Deaggregation factor: 1.87
Prefixes being announced from the ARIN address blocks: 91249
Unique aggregates announced from the ARIN address blocks: 34882
ARIN Region origin ASes present in the Internet Routing Table: 12377
ARIN Prefixes per ASN: 7.37
ARIN Region origin ASes announcing only one prefix: 4757
ARIN Region transit ASes present in the Internet Routing Table: 1186
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 15
Number of ARIN addresses announced to Internet: 360589728
Equivalent to 21 /8s, 126 /16s and 41 /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: 57420
Total RIPE prefixes after maximum aggregation: 34874
RIPE Deaggregation factor: 1.65
Prefixes being announced from the RIPE address blocks: 52545
Unique aggregates announced from the RIPE address blocks: 35414
RIPE Region origin ASes present in the Internet Routing Table: 11759
RIPE Prefixes per ASN: 4.47
RIPE Region origin ASes announcing only one prefix: 6179
RIPE Region transit ASes present in the Internet Routing Table: 1782
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 26
Number of RIPE addresses announced to Internet: 369452672
Equivalent to 22 /8s, 5 /16s and 102 /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: 20962
Total LACNIC prefixes after maximum aggregation: 5263
LACNIC Deaggregation factor: 3.98
Prefixes being announced from the LACNIC address blocks: 19228
Unique aggregates announced from the LACNIC address blocks: 10733
LACNIC Region origin ASes present in the Internet Routing Table: 984
LACNIC Prefixes per ASN: 19.54
LACNIC Region origin ASes announcing only one prefix: 325
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: 18
Number of LACNIC addresses announced to Internet: 54512128
Equivalent to 3 /8s, 63 /16s and 202 /24s
Percentage of available LACNIC address space announced: 54.2
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: 4018
Total AfriNIC prefixes after maximum aggregation: 1221
AfriNIC Deaggregation factor: 3.29
Prefixes being announced from the AfriNIC address blocks: 4371
Unique aggregates announced from the AfriNIC address blocks: 1920
AfriNIC Region origin ASes present in the Internet Routing Table: 248
AfriNIC Prefixes per ASN: 17.62
AfriNIC Region origin ASes announcing only one prefix: 79
AfriNIC Region transit ASes present in the Internet Routing Table: 50
Average AfriNIC Region AS path length visible: 4.0
Max AfriNIC Region AS path length visible: 14
Number of AfriNIC addresses announced to Internet: 12738560
Equivalent to 0 /8s, 194 /16s and 96 /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 1701 537 180 Videsh Sanchar Nigam Ltd. Aut
17488 1305 90 99 Hathway IP Over Cable Interne
9583 1177 92 494 Sify Limited
4766 865 6407 354 Korea Telecom (KIX)
4134 836 13523 339 CHINANET-BACKBONE
23577 822 35 698 Korea Telecom (ATM-MPLS)
4780 715 353 61 Digital United Inc.
18101 693 167 33 Reliance Infocom Ltd Internet
9498 668 291 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 3197 3358 208 bellsouth.net, inc.
209 2878 3857 618 Qwest
6298 1980 319 732 Cox Communicatons
1785 1647 710 156 AppliedTheory Corporation
2386 1561 692 900 AT&T Data Communications Serv
4323 1494 1073 378 Time Warner Telecom
7018 1415 5816 987 AT&T WorldNet Services
11492 1214 151 22 Cable One
20115 1113 1080 573 Charter Communications
6478 1104 237 178 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 372 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 1520 2592 223 UniNet S.A. de C.V.
11830 664 299 9 Instituto Costarricense de El
22047 566 270 14 VTR PUNTO NET S.A.
7303 479 236 65 Telecom Argentina Stet-France
16814 426 27 10 NSS, S.A.
6471 420 85 48 ENTEL CHILE S.A.
11172 410 118 72 Servicios Alestra S.A de C.V
10620 377 100 81 TVCABLE BOGOTA
14117 345 23 9 Telefonica del Sur S.A.
28573 324 439 27 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 497 64 29 LINKdotNET AS number
20858 402 34 3 EgyNet
3741 268 856 221 The Internet Solution
2018 223 213 131 Tertiary Education Network
6713 143 135 11 Itissalat Al-MAGHRIB
33783 136 10 13 EEPAD TISP TELECOM & INTERNET
5536 120 8 17 Internet Egypt Network
5713 117 539 70 Telkom SA Ltd
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 3197 3358 208 bellsouth.net, inc.
209 2878 3857 618 Qwest
6298 1980 319 732 Cox Communicatons
4755 1701 537 180 Videsh Sanchar Nigam Ltd. Aut
1785 1647 710 156 AppliedTheory Corporation
2386 1561 692 900 AT&T Data Communications Serv
8151 1520 2592 223 UniNet S.A. de C.V.
4323 1494 1073 378 Time Warner Telecom
7018 1415 5816 987 AT&T WorldNet Services
17488 1305 90 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 2878 2260 Qwest
4755 1701 1521 Videsh Sanchar Nigam Ltd. Aut
1785 1647 1491 AppliedTheory Corporation
8151 1520 1297 UniNet S.A. de C.V.
6298 1980 1248 Cox Communicatons
17488 1305 1206 Hathway IP Over Cable Interne
11492 1214 1192 Cable One
4323 1494 1116 Time Warner Telecom
18566 1045 1035 Covad Communications
6478 1104 926 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 /14:528 /15:1058 /16:10037 /17:4375 /18:7556
/19:16013 /20:18691 /21:18308 /22:23024 /23:24184 /24:139240
/25:840 /26:1023 /27:719 /28:87 /29:9 /30:1
/31:0 /32:7
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2034 3197 bellsouth.net, inc.
6298 1953 1980 Cox Communicatons
209 1644 2878 Qwest
2386 1240 1561 AT&T Data Communications Serv
11492 1195 1214 Cable One
1785 1116 1647 AppliedTheory Corporation
17488 1112 1305 Hathway IP Over Cable Interne
4755 1041 1701 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 24:1085 32:59 38:485
40:92 41:698 43:1 44:2 47:12 52:3
55:3 56:3 57:27 58:527 59:513 60:453
61:984 62:1212 63:2050 64:3202 65:2365 66:3436
67:1226 68:769 69:2298 70:856 71:136 72:2006
73:6 74:1109 75:165 76:307 77:764 78:810
79:222 80:962 81:837 82:588 83:377 84:572
85:985 86:400 87:717 88:338 89:1314 90:34
91:1387 92:245 93:790 94:78 96:55 97:59
98:308 99:3 114:97 115:41 116:945 117:334
118:196 119:479 120:73 121:577 122:818 123:377
124:842 125:1178 128:353 129:202 130:135 131:409
132:70 133:9 134:188 135:33 136:218 137:94
138:141 139:93 140:503 141:103 142:405 143:322
144:405 145:51 146:373 147:156 148:517 149:199
150:129 151:183 152:144 153:136 154:10 155:277
156:171 157:289 158:166 159:301 160:273 161:119
162:265 163:155 164:519 165:453 166:364 167:332
168:625 169:138 170:425 171:33 172:10 173:16
188:1 189:482 190:2076 192:5804 193:4144 194:3234
195:2556 196:1017 198:3731 199:3310 200:5548 201:1533
202:7673 203:8089 204:3961 205:2145 206:2371 207:2760
208:3507 209:3426 210:2607 211:1078 212:1425 213:1615
214:181 215:50 216:4374 217:1214 218:345 219:430
220:1059 221:455 222:310
End of report