Routing Table Report 04:00 +10GMT Thu 14 Aug, 2008
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 265693
Prefixes after maximum aggregation: 129597
Deaggregation factor: 2.05
Unique aggregates announced to Internet: 129299
Total ASes present in the Internet Routing Table: 28912
Prefixes per ASN: 9.19
Origin-only ASes present in the Internet Routing Table: 25172
Origin ASes announcing only one prefix: 12192
Transit ASes present in the Internet Routing Table: 3740
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: 574
Unregistered ASNs in the Routing Table: 214
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: 808
Number of addresses announced to Internet: 1890432992
Equivalent to 112 /8s, 173 /16s and 183 /24s
Percentage of available address space announced: 51.0
Percentage of allocated address space announced: 61.9
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: 130162
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 61061
Total APNIC prefixes after maximum aggregation: 22700
APNIC Deaggregation factor: 2.69
Prefixes being announced from the APNIC address blocks: 58038
Unique aggregates announced from the APNIC address blocks: 26152
APNIC Region origin ASes present in the Internet Routing Table: 3318
APNIC Prefixes per ASN: 17.49
APNIC Region origin ASes announcing only one prefix: 871
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: 19
Number of APNIC addresses announced to Internet: 370647840
Equivalent to 22 /8s, 23 /16s and 163 /24s
Percentage of available APNIC address space announced: 78.9
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: 121707
Total ARIN prefixes after maximum aggregation: 65090
ARIN Deaggregation factor: 1.87
Prefixes being announced from the ARIN address blocks: 91019
Unique aggregates announced from the ARIN address blocks: 34691
ARIN Region origin ASes present in the Internet Routing Table: 12349
ARIN Prefixes per ASN: 7.37
ARIN Region origin ASes announcing only one prefix: 4750
ARIN Region transit ASes present in the Internet Routing Table: 1181
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 16
Number of ARIN addresses announced to Internet: 360058272
Equivalent to 21 /8s, 118 /16s and 13 /24s
Percentage of available ARIN address space announced: 74.0
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: 57329
Total RIPE prefixes after maximum aggregation: 34794
RIPE Deaggregation factor: 1.65
Prefixes being announced from the RIPE address blocks: 52443
Unique aggregates announced from the RIPE address blocks: 35216
RIPE Region origin ASes present in the Internet Routing Table: 11727
RIPE Prefixes per ASN: 4.47
RIPE Region origin ASes announcing only one prefix: 6167
RIPE Region transit ASes present in the Internet Routing Table: 1776
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 18
Number of RIPE addresses announced to Internet: 369089344
Equivalent to 21 /8s, 255 /16s and 219 /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: 20991
Total LACNIC prefixes after maximum aggregation: 5303
LACNIC Deaggregation factor: 3.96
Prefixes being announced from the LACNIC address blocks: 19238
Unique aggregates announced from the LACNIC address blocks: 10757
LACNIC Region origin ASes present in the Internet Routing Table: 980
LACNIC Prefixes per ASN: 19.63
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: 54301440
Equivalent to 3 /8s, 60 /16s and 147 /24s
Percentage of available LACNIC address space announced: 53.9
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: 4030
Total AfriNIC prefixes after maximum aggregation: 1230
AfriNIC Deaggregation factor: 3.28
Prefixes being announced from the AfriNIC address blocks: 4380
Unique aggregates announced from the AfriNIC address blocks: 1874
AfriNIC Region origin ASes present in the Internet Routing Table: 247
AfriNIC Prefixes per ASN: 17.73
AfriNIC Region origin ASes announcing only one prefix: 79
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: 12546560
Equivalent to 0 /8s, 191 /16s and 114 /24s
Percentage of available AfriNIC address space announced: 37.4
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 1691 345 178 Videsh Sanchar Nigam Ltd. Aut
17488 1300 88 97 Hathway IP Over Cable Interne
9583 1176 92 493 Sify Limited
4766 858 6390 351 Korea Telecom (KIX)
4134 835 13516 355 CHINANET-BACKBONE
23577 827 35 701 Korea Telecom (ATM-MPLS)
4780 715 353 61 Digital United Inc.
18101 692 167 33 Reliance Infocom Ltd Internet
9498 677 291 55 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 3200 3358 207 bellsouth.net, inc.
209 2968 3860 624 Qwest
6298 2003 307 734 Cox Communicatons
2386 1558 691 892 AT&T Data Communications Serv
4323 1491 1078 380 Time Warner Telecom
1785 1453 478 100 AppliedTheory Corporation
7018 1409 5830 988 AT&T WorldNet Services
11492 1214 151 22 Cable One
20115 1112 1080 572 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 413 1776 371 TDC Tele Danmark
3215 371 2756 106 France Telecom Transpac
8452 357 188 11 TEDATA
3301 334 1460 305 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
680 274 2047 264 DFN-IP service G-WiN
6746 268 126 243 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 1504 2577 226 UniNet S.A. de C.V.
11830 664 299 9 Instituto Costarricense de El
22047 565 270 14 VTR PUNTO NET S.A.
7303 475 235 63 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 382 101 85 TVCABLE BOGOTA
14117 375 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 495 64 28 LINKdotNET AS number
20858 402 34 3 EgyNet
3741 269 855 224 The Internet Solution
2018 211 213 130 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 119 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 3200 3358 207 bellsouth.net, inc.
209 2968 3860 624 Qwest
6298 2003 307 734 Cox Communicatons
4755 1691 345 178 Videsh Sanchar Nigam Ltd. Aut
2386 1558 691 892 AT&T Data Communications Serv
8151 1504 2577 226 UniNet S.A. de C.V.
4323 1491 1078 380 Time Warner Telecom
1785 1453 478 100 AppliedTheory Corporation
7018 1409 5830 988 AT&T WorldNet Services
17488 1300 88 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 2968 2344 Qwest
4755 1691 1513 Videsh Sanchar Nigam Ltd. Aut
1785 1453 1353 AppliedTheory Corporation
8151 1504 1278 UniNet S.A. de C.V.
6298 2003 1269 Cox Communicatons
17488 1300 1203 Hathway IP Over Cable Interne
11492 1214 1192 Cable One
4323 1491 1111 Time Warner Telecom
18566 1045 1035 Covad Communications
22773 960 897 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
27220 UNALLOCATED 12.35.204.0/24 7018 AT&T WorldNet Servic
Complete listing at http://thyme.apnic.net/current/data-badAS
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
24.48.0.0/13 19548 Adelphia Business Solutions
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
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 /15:1053 /16:10024 /17:4357 /18:7549
/19:15980 /20:18638 /21:18242 /22:22987 /23:24070 /24:139018
/25:840 /26:1031 /27:763 /28:69 /29:9 /30:1
/31:0 /32:7
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2036 3200 bellsouth.net, inc.
6298 1977 2003 Cox Communicatons
209 1720 2968 Qwest
2386 1236 1558 AT&T Data Communications Serv
11492 1195 1214 Cable One
17488 1108 1300 Hathway IP Over Cable Interne
1785 1068 1453 AppliedTheory Corporation
4755 1042 1691 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 8:130 12:2101 13:2 14:1 15:22
16:3 17:5 18:13 20:35 24:1082 32:59
38:479 40:92 41:697 43:1 44:2 47:12
52:3 55:3 56:3 57:27 58:525 59:514
60:452 61:983 62:1201 63:2034 64:3210 65:2368
66:3442 67:1222 68:769 69:2285 70:861 71:117
72:2037 73:6 74:1095 75:156 76:307 77:758
78:816 79:215 80:980 81:847 82:611 83:377
84:572 85:978 86:398 87:694 88:339 89:1305
90:33 91:1408 92:247 93:753 94:101 96:53
97:46 98:303 99:3 114:80 115:38 116:937
117:329 118:197 119:454 120:72 121:584 122:813
123:375 124:893 125:1180 128:360 129:199 130:135
131:410 132:70 133:9 134:187 135:33 136:223
137:94 138:145 139:89 140:499 141:103 142:405
143:339 144:400 145:51 146:371 147:156 148:517
149:198 150:129 151:182 152:143 153:136 154:10
155:278 156:172 157:286 158:166 159:294 160:273
161:119 162:215 163:152 164:517 165:456 166:318
167:332 168:625 169:139 170:427 171:32 172:10
188:1 189:473 190:2128 192:5796 193:4135 194:3239
195:2546 196:1025 198:3732 199:3298 200:5582 201:1518
202:7696 203:8085 204:3960 205:2126 206:2359 207:2730
208:3486 209:3426 210:2596 211:1077 212:1428 213:1608
214:178 215:50 216:4372 217:1211 218:345 219:427
220:1062 221:456 222:310
End of report