Routing Table Report 04:00 +10GMT Tue 19 Aug, 2008
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 266146
Prefixes after maximum aggregation: 129715
Deaggregation factor: 2.05
Unique aggregates announced to Internet: 129473
Total ASes present in the Internet Routing Table: 28963
Prefixes per ASN: 9.19
Origin-only ASes present in the Internet Routing Table: 25213
Origin ASes announcing only one prefix: 12209
Transit ASes present in the Internet Routing Table: 3750
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: 555
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: 767
Number of addresses announced to Internet: 1891222816
Equivalent to 112 /8s, 185 /16s and 197 /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: 130551
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 61165
Total APNIC prefixes after maximum aggregation: 22735
APNIC Deaggregation factor: 2.69
Prefixes being announced from the APNIC address blocks: 58132
Unique aggregates announced from the APNIC address blocks: 26147
APNIC Region origin ASes present in the Internet Routing Table: 3324
APNIC Prefixes per ASN: 17.49
APNIC Region origin ASes announcing only one prefix: 874
APNIC Region transit ASes present in the Internet Routing Table: 514
Average APNIC Region AS path length visible: 3.5
Max APNIC Region AS path length visible: 22
Number of APNIC addresses announced to Internet: 371452192
Equivalent to 22 /8s, 35 /16s and 233 /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: 121993
Total ARIN prefixes after maximum aggregation: 65177
ARIN Deaggregation factor: 1.87
Prefixes being announced from the ARIN address blocks: 91192
Unique aggregates announced from the ARIN address blocks: 34778
ARIN Region origin ASes present in the Internet Routing Table: 12368
ARIN Prefixes per ASN: 7.37
ARIN Region origin ASes announcing only one prefix: 4760
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: 360367008
Equivalent to 21 /8s, 122 /16s and 195 /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: 57489
Total RIPE prefixes after maximum aggregation: 34840
RIPE Deaggregation factor: 1.65
Prefixes being announced from the RIPE address blocks: 52643
Unique aggregates announced from the RIPE address blocks: 35368
RIPE Region origin ASes present in the Internet Routing Table: 11750
RIPE Prefixes per ASN: 4.48
RIPE Region origin ASes announcing only one prefix: 6172
RIPE Region transit ASes present in the Internet Routing Table: 1781
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 18
Number of RIPE addresses announced to Internet: 369293952
Equivalent to 22 /8s, 2 /16s and 250 /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: 20920
Total LACNIC prefixes after maximum aggregation: 5268
LACNIC Deaggregation factor: 3.97
Prefixes being announced from the LACNIC address blocks: 19170
Unique aggregates announced from the LACNIC address blocks: 10703
LACNIC Region origin ASes present in the Internet Routing Table: 983
LACNIC Prefixes per ASN: 19.50
LACNIC Region origin ASes announcing only one prefix: 325
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: 54410240
Equivalent to 3 /8s, 62 /16s and 60 /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: 4023
Total AfriNIC prefixes after maximum aggregation: 1231
AfriNIC Deaggregation factor: 3.27
Prefixes being announced from the AfriNIC address blocks: 4366
Unique aggregates announced from the AfriNIC address blocks: 1916
AfriNIC Region origin ASes present in the Internet Routing Table: 248
AfriNIC Prefixes per ASN: 17.60
AfriNIC Region origin ASes announcing only one prefix: 78
AfriNIC Region transit ASes present in the Internet Routing Table: 50
Average AfriNIC Region AS path length visible: 3.9
Max AfriNIC Region AS path length visible: 14
Number of AfriNIC addresses announced to Internet: 12737792
Equivalent to 0 /8s, 194 /16s and 93 /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 1692 537 180 Videsh Sanchar Nigam Ltd. Aut
17488 1300 89 99 Hathway IP Over Cable Interne
9583 1176 92 493 Sify Limited
4766 864 6391 353 Korea Telecom (KIX)
4134 836 13523 339 CHINANET-BACKBONE
23577 823 35 698 Korea Telecom (ATM-MPLS)
4780 714 353 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 3195 3358 208 bellsouth.net, inc.
209 2878 3857 618 Qwest
6298 2002 323 727 Cox Communicatons
1785 1644 710 156 AppliedTheory Corporation
2386 1561 692 900 AT&T Data Communications Serv
4323 1494 1078 379 Time Warner Telecom
7018 1416 5816 988 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
680 275 2047 265 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 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 420 85 48 ENTEL CHILE S.A.
11172 410 118 72 Servicios Alestra S.A de C.V
10620 371 99 90 TVCABLE BOGOTA
14117 345 23 9 Telefonica del Sur S.A.
28573 318 433 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 496 64 28 LINKdotNET AS number
20858 402 34 3 EgyNet
3741 267 855 224 The Internet Solution
2018 212 213 130 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 3195 3358 208 bellsouth.net, inc.
209 2878 3857 618 Qwest
6298 2002 323 727 Cox Communicatons
4755 1692 537 180 Videsh Sanchar Nigam Ltd. Aut
1785 1644 710 156 AppliedTheory Corporation
2386 1561 692 900 AT&T Data Communications Serv
8151 1518 2592 222 UniNet S.A. de C.V.
4323 1494 1078 379 Time Warner Telecom
7018 1416 5816 988 AT&T WorldNet Services
17488 1300 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 2878 2260 Qwest
4755 1692 1512 Videsh Sanchar Nigam Ltd. Aut
1785 1644 1488 AppliedTheory Corporation
8151 1518 1296 UniNet S.A. de C.V.
6298 2002 1275 Cox Communicatons
17488 1300 1201 Hathway IP Over Cable Interne
11492 1214 1192 Cable One
4323 1494 1115 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 /14:526 /15:1055 /16:10028 /17:4363 /18:7547
/19:15998 /20:18688 /21:18285 /22:22978 /23:24133 /24:139325
/25:842 /26:1029 /27:719 /28:85 /29:9 /30:1
/31:0 /32:7
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2033 3195 bellsouth.net, inc.
6298 1975 2002 Cox Communicatons
209 1643 2878 Qwest
2386 1240 1561 AT&T Data Communications Serv
11492 1195 1214 Cable One
1785 1113 1644 AppliedTheory Corporation
17488 1107 1300 Hathway IP Over Cable Interne
4755 1041 1692 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 8:133 12:2107 13:2 15:22 16:3
17:5 18:13 20:35 24:1086 32:59 38:483
40:92 41:700 43:1 44:2 47:12 52:3
55:3 56:3 57:27 58:524 59:510 60:453
61:984 62:1219 63:2036 64:3214 65:2366 66:3425
67:1227 68:768 69:2296 70:863 71:135 72:2039
73:6 74:1102 75:165 76:307 77:758 78:819
79:241 80:979 81:847 82:604 83:377 84:572
85:981 86:399 87:714 88:338 89:1309 90:33
91:1412 92:245 93:767 94:109 96:54 97:52
98:308 99:3 114:90 115:39 116:941 117:337
118:198 119:453 120:72 121:585 122:817 123:374
124:893 125:1181 128:354 129:202 130:135 131:409
132:70 133:9 134:188 135:33 136:223 137:94
138:145 139:93 140:503 141:103 142:405 143:328
144:401 145:51 146:372 147:156 148:517 149:197
150:129 151:183 152:144 153:136 154:10 155:279
156:171 157:289 158:166 159:294 160:272 161:118
162:266 163:155 164:519 165:456 166:363 167:332
168:625 169:138 170:425 171:33 172:10 173:13
188:1 189:482 190:2091 192:5780 193:4138 194:3231
195:2560 196:1021 198:3726 199:3316 200:5536 201:1534
202:7679 203:8093 204:3953 205:2145 206:2373 207:2759
208:3502 209:3417 210:2598 211:1079 212:1427 213:1610
214:179 215:50 216:4378 217:1215 218:346 219:429
220:1060 221:454 222:310
End of report