Routing Table Report 04:00 +10GMT Fri 22 Aug, 2008
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 266135
Prefixes after maximum aggregation: 129711
Deaggregation factor: 2.05
Unique aggregates announced to Internet: 129592
Total ASes present in the Internet Routing Table: 29004
Prefixes per ASN: 9.18
Origin-only ASes present in the Internet Routing Table: 25243
Origin ASes announcing only one prefix: 12217
Transit ASes present in the Internet Routing Table: 3761
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: 26
Max AS path prepend of ASN (18678) 16
Prefixes from unregistered ASNs in the Routing Table: 570
Unregistered ASNs in the Routing Table: 211
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: 770
Number of addresses announced to Internet: 1893939488
Equivalent to 112 /8s, 227 /16s and 57 /24s
Percentage of available address space announced: 51.1
Percentage of allocated address space announced: 62.1
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: 130536
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 61201
Total APNIC prefixes after maximum aggregation: 22694
APNIC Deaggregation factor: 2.70
Prefixes being announced from the APNIC address blocks: 58167
Unique aggregates announced from the APNIC address blocks: 26073
APNIC Region origin ASes present in the Internet Routing Table: 3332
APNIC Prefixes per ASN: 17.46
APNIC Region origin ASes announcing only one prefix: 874
APNIC Region transit ASes present in the Internet Routing Table: 513
Average APNIC Region AS path length visible: 3.5
Max APNIC Region AS path length visible: 19
Number of APNIC addresses announced to Internet: 372883488
Equivalent to 22 /8s, 57 /16s and 192 /24s
Percentage of available APNIC address space announced: 79.4
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: 121876
Total ARIN prefixes after maximum aggregation: 65153
ARIN Deaggregation factor: 1.87
Prefixes being announced from the ARIN address blocks: 91023
Unique aggregates announced from the ARIN address blocks: 34898
ARIN Region origin ASes present in the Internet Routing Table: 12385
ARIN Prefixes per ASN: 7.35
ARIN Region origin ASes announcing only one prefix: 4757
ARIN Region transit ASes present in the Internet Routing Table: 1183
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 15
Number of ARIN addresses announced to Internet: 360697504
Equivalent to 21 /8s, 127 /16s and 206 /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: 57518
Total RIPE prefixes after maximum aggregation: 34874
RIPE Deaggregation factor: 1.65
Prefixes being announced from the RIPE address blocks: 52649
Unique aggregates announced from the RIPE address blocks: 35386
RIPE Region origin ASes present in the Internet Routing Table: 11765
RIPE Prefixes per ASN: 4.48
RIPE Region origin ASes announcing only one prefix: 6183
RIPE Region transit ASes present in the Internet Routing Table: 1795
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 26
Number of RIPE addresses announced to Internet: 369618816
Equivalent to 22 /8s, 7 /16s and 239 /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: 20964
Total LACNIC prefixes after maximum aggregation: 5287
LACNIC Deaggregation factor: 3.97
Prefixes being announced from the LACNIC address blocks: 19206
Unique aggregates announced from the LACNIC address blocks: 10727
LACNIC Region origin ASes present in the Internet Routing Table: 983
LACNIC Prefixes per ASN: 19.54
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: 20
Number of LACNIC addresses announced to Internet: 54519040
Equivalent to 3 /8s, 63 /16s and 229 /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: 4005
Total AfriNIC prefixes after maximum aggregation: 1226
AfriNIC Deaggregation factor: 3.27
Prefixes being announced from the AfriNIC address blocks: 4358
Unique aggregates announced from the AfriNIC address blocks: 1922
AfriNIC Region origin ASes present in the Internet Routing Table: 250
AfriNIC Prefixes per ASN: 17.43
AfriNIC Region origin ASes announcing only one prefix: 80
AfriNIC Region transit ASes present in the Internet Routing Table: 52
Average AfriNIC Region AS path length visible: 3.9
Max AfriNIC Region AS path length visible: 14
Number of AfriNIC addresses announced to Internet: 12626432
Equivalent to 0 /8s, 192 /16s and 170 /24s
Percentage of available AfriNIC address space announced: 37.6
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 1702 537 179 Videsh Sanchar Nigam Ltd. Aut
17488 1308 90 97 Hathway IP Over Cable Interne
9583 1177 92 494 Sify Limited
4766 868 6407 355 Korea Telecom (KIX)
4134 836 13523 339 CHINANET-BACKBONE
23577 822 35 697 Korea Telecom (ATM-MPLS)
4780 716 353 61 Digital United Inc.
18101 693 167 33 Reliance Infocom Ltd Internet
9498 675 291 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 3199 3358 208 bellsouth.net, inc.
209 2878 3857 617 Qwest
6298 1981 319 726 Cox Communicatons
1785 1647 710 155 AppliedTheory Corporation
2386 1560 691 899 AT&T Data Communications Serv
4323 1494 1073 376 Time Warner Telecom
7018 1411 5816 990 AT&T WorldNet Services
11492 1214 151 22 Cable One
20115 1114 1081 574 Charter Communications
6478 1113 237 174 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 396 2756 106 France Telecom Transpac
8452 358 188 11 TEDATA
3301 332 1444 303 TeliaNet Sweden
3320 323 7047 271 Deutsche Telekom AG
8866 316 77 21 Bulgarian Telecommunication C
5462 296 666 27 Telewest Broadband
8551 288 270 38 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 1519 2590 225 UniNet S.A. de C.V.
11830 664 299 9 Instituto Costarricense de El
22047 565 270 14 VTR PUNTO NET S.A.
7303 477 235 67 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 118 539 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 3199 3358 208 bellsouth.net, inc.
209 2878 3857 617 Qwest
6298 1981 319 726 Cox Communicatons
4755 1702 537 179 Videsh Sanchar Nigam Ltd. Aut
1785 1647 710 155 AppliedTheory Corporation
2386 1560 691 899 AT&T Data Communications Serv
8151 1519 2590 225 UniNet S.A. de C.V.
4323 1494 1073 376 Time Warner Telecom
7018 1411 5816 990 AT&T WorldNet Services
17488 1308 90 97 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 2261 Qwest
4755 1702 1523 Videsh Sanchar Nigam Ltd. Aut
1785 1647 1492 AppliedTheory Corporation
8151 1519 1294 UniNet S.A. de C.V.
6298 1981 1255 Cox Communicatons
17488 1308 1211 Hathway IP Over Cable Interne
11492 1214 1192 Cable One
4323 1494 1118 Time Warner Telecom
18566 1045 1035 Covad Communications
6478 1113 939 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
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
26973 UNALLOCATED 12.39.154.0/23 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 /14:529 /15:1049 /16:10017 /17:4361 /18:7434
/19:15993 /20:18713 /21:18317 /22:23029 /23:24171 /24:139319
/25:833 /26:1017 /27:719 /28:89 /29:9 /30:1
/31:0 /32:7
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2036 3199 bellsouth.net, inc.
6298 1954 1981 Cox Communicatons
209 1645 2878 Qwest
2386 1239 1560 AT&T Data Communications Serv
11492 1195 1214 Cable One
1785 1116 1647 AppliedTheory Corporation
17488 1115 1308 Hathway IP Over Cable Interne
4755 1042 1702 Videsh Sanchar Nigam Ltd. Aut
9583 1033 1177 Sify Limited
6478 1026 1113 AT&T Worldnet Services
Complete listing at http://thyme.apnic.net/current/data/sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:8 8:128 12:2121 13:2 15:22 16:3
17:5 18:13 20:35 24:1082 32:59 38:496
40:92 41:694 43:1 44:2 47:12 52:3
55:3 56:3 57:27 58:527 59:512 60:453
61:983 62:1216 63:2049 64:3221 65:2362 66:3433
67:1233 68:748 69:2290 70:856 71:135 72:2010
73:6 74:1113 75:165 76:313 77:767 78:820
79:222 80:967 81:871 82:580 83:376 84:573
85:982 86:400 87:719 88:339 89:1313 90:34
91:1413 92:247 93:791 94:79 96:58 97:59
98:312 99:3 114:96 115:33 116:944 117:336
118:196 119:478 120:73 121:577 122:818 123:378
124:844 125:1184 128:354 129:202 130:135 131:408
132:70 133:9 134:188 135:33 136:223 137:93
138:141 139:93 140:502 141:103 142:406 143:319
144:405 145:51 146:373 147:156 148:517 149:199
150:129 151:183 152:144 153:136 154:10 155:280
156:171 157:288 158:166 159:301 160:273 161:131
162:265 163:156 164:519 165:454 166:364 167:332
168:625 169:139 170:426 171:33 172:10 173:16
188:1 189:485 190:2074 192:5799 193:4143 194:3236
195:2562 196:1014 198:3732 199:3310 200:5535 201:1532
202:7679 203:8082 204:3955 205:2147 206:2373 207:2763
208:3510 209:3414 210:2608 211:1080 212:1426 213:1605
214:171 215:50 216:4378 217:1205 218:345 219:429
220:1061 221:455 222:311
End of report