Routing Table Report 04:00 +10GMT Tue 09 Dec, 2008
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 274915
Prefixes after maximum aggregation: 131917
Deaggregation factor: 2.08
Unique aggregates announced to Internet: 134319
Total ASes present in the Internet Routing Table: 30025
Prefixes per ASN: 9.16
Origin-only ASes present in the Internet Routing Table: 26151
Origin ASes announcing only one prefix: 12735
Transit ASes present in the Internet Routing Table: 3874
Transit-only ASes present in the Internet Routing Table: 90
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 24
Max AS path prepend of ASN (48036) 21
Prefixes from unregistered ASNs in the Routing Table: 530
Unregistered ASNs in the Routing Table: 194
Number of 32-bit ASNs allocated by the RIRs: 68
Prefixes from 32-bit ASNs in the Routing Table: 10
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 197
Number of addresses announced to Internet: 1967625728
Equivalent to 117 /8s, 71 /16s and 150 /24s
Percentage of available address space announced: 53.1
Percentage of allocated address space announced: 63.4
Percentage of available address space allocated: 83.7
Percentage of address space in use by end-sites: 74.6
Total number of prefixes smaller than registry allocations: 135164
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 63689
Total APNIC prefixes after maximum aggregation: 23500
APNIC Deaggregation factor: 2.71
Prefixes being announced from the APNIC address blocks: 60640
Unique aggregates announced from the APNIC address blocks: 27308
APNIC Region origin ASes present in the Internet Routing Table: 3479
APNIC Prefixes per ASN: 17.43
APNIC Region origin ASes announcing only one prefix: 933
APNIC Region transit ASes present in the Internet Routing Table: 530
Average APNIC Region AS path length visible: 3.5
Max APNIC Region AS path length visible: 19
Number of APNIC addresses announced to Internet: 389761952
Equivalent to 23 /8s, 59 /16s and 75 /24s
Percentage of available APNIC address space announced: 77.4
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, 110/8, 111/8, 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: 122879
Total ARIN prefixes after maximum aggregation: 64568
ARIN Deaggregation factor: 1.90
Prefixes being announced from the ARIN address blocks: 92098
Unique aggregates announced from the ARIN address blocks: 35098
ARIN Region origin ASes present in the Internet Routing Table: 12649
ARIN Prefixes per ASN: 7.28
ARIN Region origin ASes announcing only one prefix: 4888
ARIN Region transit ASes present in the Internet Routing Table: 1203
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 16
Number of ARIN addresses announced to Internet: 402459296
Equivalent to 23 /8s, 253 /16s and 10 /24s
Percentage of available ARIN address space announced: 82.7
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: 60882
Total RIPE prefixes after maximum aggregation: 36451
RIPE Deaggregation factor: 1.67
Prefixes being announced from the RIPE address blocks: 56475
Unique aggregates announced from the RIPE address blocks: 37709
RIPE Region origin ASes present in the Internet Routing Table: 12318
RIPE Prefixes per ASN: 4.58
RIPE Region origin ASes announcing only one prefix: 6495
RIPE Region transit ASes present in the Internet Routing Table: 1871
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 24
Number of RIPE addresses announced to Internet: 381154400
Equivalent to 22 /8s, 183 /16s and 244 /24s
Percentage of available RIPE address space announced: 87.4
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, 47104-49151
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: 22681
Total LACNIC prefixes after maximum aggregation: 5616
LACNIC Deaggregation factor: 4.04
Prefixes being announced from the LACNIC address blocks: 20724
Unique aggregates announced from the LACNIC address blocks: 11529
LACNIC Region origin ASes present in the Internet Routing Table: 1037
LACNIC Prefixes per ASN: 19.98
LACNIC Region origin ASes announcing only one prefix: 335
LACNIC Region transit ASes present in the Internet Routing Table: 166
Average LACNIC Region AS path length visible: 4.0
Max LACNIC Region AS path length visible: 18
Number of LACNIC addresses announced to Internet: 58368000
Equivalent to 3 /8s, 122 /16s and 160 /24s
Percentage of available LACNIC address space announced: 58.0
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: 4276
Total AfriNIC prefixes after maximum aggregation: 1361
AfriNIC Deaggregation factor: 3.14
Prefixes being announced from the AfriNIC address blocks: 4586
Unique aggregates announced from the AfriNIC address blocks: 2181
AfriNIC Region origin ASes present in the Internet Routing Table: 271
AfriNIC Prefixes per ASN: 16.92
AfriNIC Region origin ASes announcing only one prefix: 84
AfriNIC Region transit ASes present in the Internet Routing Table: 55
Average AfriNIC Region AS path length visible: 4.0
Max AfriNIC Region AS path length visible: 15
Number of AfriNIC addresses announced to Internet: 13029632
Equivalent to 0 /8s, 198 /16s and 209 /24s
Percentage of available AfriNIC address space announced: 25.9
AfriNIC AS Blocks 36864-37887 & ERX transfers
AfriNIC Address Blocks 41/8, 196/8, 197/8,
APNIC Region per AS prefix count summary
----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
17488 1443 101 105 Hathway IP Over Cable Interne
4766 1342 6409 364 Korea Telecom (KIX)
4755 1171 474 152 TATA Communications formerly
9583 1117 87 485 Sify Limited
4134 906 15509 355 CHINANET-BACKBONE
23577 814 34 693 Korea Telecom (ATM-MPLS)
18101 782 168 31 Reliance Infocom Ltd Internet
4780 728 357 63 Digital United Inc.
9498 696 327 52 BHARTI BT INTERNET LTD.
7545 655 152 80 TPG Internet Pty Ltd
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 4378 3434 345 bellsouth.net, inc.
209 2985 4031 620 Qwest
20115 1848 1466 745 Charter Communications
1785 1703 717 155 PaeTec Communications, Inc.
6478 1602 367 286 AT&T Worldnet Services
4323 1599 1068 383 Time Warner Telecom
2386 1590 707 897 AT&T Data Communications Serv
7018 1427 5872 991 AT&T WorldNet Services
11492 1223 192 12 Cable One
3356 1100 10991 428 Level 3 Communications, LLC
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 435 1766 384 TDC Tele Danmark
30890 377 79 194 SC Kappa Invexim SRL
12479 373 578 6 Uni2 Autonomous System
3301 335 1413 304 TeliaNet Sweden
8866 331 109 22 Bulgarian Telecommunication C
29049 331 26 3 AzerSat LLC.
3320 329 7064 278 Deutsche Telekom AG
8452 323 188 11 TEDATA
3215 315 2792 96 France Telecom Transpac
8551 302 286 36 Bezeq International
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 1371 2784 226 UniNet S.A. de C.V.
11830 667 299 9 Instituto Costarricense de El
10620 606 133 46 TVCABLE BOGOTA
22047 553 270 14 VTR PUNTO NET S.A.
7303 501 248 73 Telecom Argentina Stet-France
16814 426 27 10 NSS, S.A.
6471 425 88 50 ENTEL CHILE S.A.
11172 400 118 72 Servicios Alestra S.A de C.V
28573 358 487 25 NET Servicos de Comunicao S.A
14117 333 23 9 Telefonica del Sur 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 575 73 43 LINKdotNET AS number
3741 270 857 227 The Internet Solution
20858 264 34 3 EgyNet
2018 239 215 140 Tertiary Education Network
6713 144 135 11 Itissalat Al-MAGHRIB
33783 143 10 17 EEPAD TISP TELECOM & INTERNET
29571 121 15 8 Ci Telecom Autonomous system
5536 120 8 17 Internet Egypt Network
5713 119 555 68 Telkom SA Ltd
33776 116 6 3 Starcomms Nigeria Limited
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 4378 3434 345 bellsouth.net, inc.
209 2985 4031 620 Qwest
20115 1848 1466 745 Charter Communications
1785 1703 717 155 PaeTec Communications, Inc.
6478 1602 367 286 AT&T Worldnet Services
4323 1599 1068 383 Time Warner Telecom
2386 1590 707 897 AT&T Data Communications Serv
17488 1443 101 105 Hathway IP Over Cable Interne
7018 1427 5872 991 AT&T WorldNet Services
8151 1371 2784 226 UniNet S.A. de C.V.
Complete listing at http://thyme.apnic.net/current/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
209 2985 2365 Qwest
1785 1703 1548 PaeTec Communications, Inc.
17488 1443 1338 Hathway IP Over Cable Interne
6478 1602 1316 AT&T Worldnet Services
4323 1599 1216 Time Warner Telecom
11492 1223 1211 Cable One
8151 1371 1145 UniNet S.A. de C.V.
20115 1848 1103 Charter Communications
18566 1059 1049 Covad Communications
4755 1171 1019 TATA Communications formerly
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
15132 UNALLOCATED 12.9.150.0/24 7018 AT&T WorldNet Servic
32567 UNALLOCATED 12.14.170.0/24 7018 AT&T WorldNet Servic
13746 UNALLOCATED 12.24.56.0/24 7018 AT&T WorldNet Servic
32567 UNALLOCATED 12.25.107.0/24 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.152.0/24 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.154.0/23 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.159.0/24 7018 AT&T WorldNet Servic
32326 UNALLOCATED 12.40.49.0/24 3549 Global Crossing
25639 UNALLOCATED 12.41.169.0/24 7018 AT&T WorldNet Servic
Complete listing at http://thyme.apnic.net/current/data-badAS
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
24.75.116.0/22 10796 ServiceCo 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
62.61.221.0/24 24974 Tachyon Europe BV - Wireless
63.140.213.0/24 22555 Universal Talkware Corporatio
63.143.251.0/24 22555 Universal Talkware Corporatio
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 /8:19 /9:9 /10:19 /11:55 /12:158
/13:307 /14:553 /15:1075 /16:10197 /17:4481 /18:7744
/19:16570 /20:19444 /21:18965 /22:24140 /23:24688 /24:143655
/25:883 /26:1045 /27:814 /28:78 /29:8 /30:1
/31:0 /32:7
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2861 4378 bellsouth.net, inc.
209 1708 2985 Qwest
2386 1270 1590 AT&T Data Communications Serv
17488 1232 1443 Hathway IP Over Cable Interne
11492 1198 1223 Cable One
1785 1163 1703 PaeTec Communications, Inc.
6478 1126 1602 AT&T Worldnet Services
4766 1085 1342 Korea Telecom (KIX)
18566 1040 1059 Covad Communications
9583 981 1117 Sify Limited
Complete listing at http://thyme.apnic.net/current/data/sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:13 8:161 12:2218 13:2 15:21 16:3
17:5 20:36 24:1106 32:54 38:522 40:91
41:828 43:1 44:2 47:13 52:3 55:3
56:3 57:26 58:502 59:580 60:457 61:1054
62:1117 63:2013 64:3381 65:2448 66:3601 67:1421
68:651 69:2364 70:525 71:171 72:1601 73:7
74:1320 75:182 76:304 77:893 78:518 79:295
80:934 81:860 82:582 83:402 84:583 85:1048
86:504 87:650 88:356 89:1413 90:44 91:1753
92:324 93:1054 94:774 95:50 96:92 97:141
98:165 99:9 100:1 110:1 111:1 113:58
114:144 115:165 116:1046 117:413 118:265 119:550
120:106 121:692 122:895 123:454 124:853 125:1270
128:359 129:219 130:136 131:410 132:72 133:9
134:190 135:31 136:224 137:123 138:144 139:86
140:412 141:112 142:375 143:323 144:319 145:53
146:370 147:142 148:603 149:212 150:144 151:210
152:146 153:131 154:10 155:251 156:165 157:304
158:165 159:298 160:273 161:131 162:252 163:136
164:513 165:503 166:360 167:354 168:661 169:160
170:459 171:40 172:10 173:124 174:10 187:16
188:1 189:333 190:2482 192:5813 193:4144 194:3292
195:2644 196:1043 198:3714 199:3315 200:5538 201:1496
202:7844 203:8025 204:3943 205:2183 206:2297 207:2783
208:3764 209:3503 210:2704 211:1138 212:1546 213:1669
214:75 215:27 216:4484 217:1243 218:358 219:409
220:1188 221:452 222:287
End of report