Routing Table Report 04:00 +10GMT Wed 10 Dec, 2008
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 274977
Prefixes after maximum aggregation: 131918
Deaggregation factor: 2.08
Unique aggregates announced to Internet: 134269
Total ASes present in the Internet Routing Table: 30047
Prefixes per ASN: 9.15
Origin-only ASes present in the Internet Routing Table: 26156
Origin ASes announcing only one prefix: 12741
Transit ASes present in the Internet Routing Table: 3891
Transit-only ASes present in the Internet Routing Table: 93
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 19
Max AS path prepend of ASN ( 3816) 15
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: 201
Number of addresses announced to Internet: 1968011776
Equivalent to 117 /8s, 77 /16s and 122 /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: 135151
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 63770
Total APNIC prefixes after maximum aggregation: 23514
APNIC Deaggregation factor: 2.71
Prefixes being announced from the APNIC address blocks: 60695
Unique aggregates announced from the APNIC address blocks: 27292
APNIC Region origin ASes present in the Internet Routing Table: 3480
APNIC Prefixes per ASN: 17.44
APNIC Region origin ASes announcing only one prefix: 934
APNIC Region transit ASes present in the Internet Routing Table: 534
Average APNIC Region AS path length visible: 3.5
Max APNIC Region AS path length visible: 19
Number of APNIC addresses announced to Internet: 389785504
Equivalent to 23 /8s, 59 /16s and 167 /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: 122889
Total ARIN prefixes after maximum aggregation: 64557
ARIN Deaggregation factor: 1.90
Prefixes being announced from the ARIN address blocks: 92111
Unique aggregates announced from the ARIN address blocks: 35120
ARIN Region origin ASes present in the Internet Routing Table: 12658
ARIN Prefixes per ASN: 7.28
ARIN Region origin ASes announcing only one prefix: 4896
ARIN Region transit ASes present in the Internet Routing Table: 1210
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 16
Number of ARIN addresses announced to Internet: 402267296
Equivalent to 23 /8s, 250 /16s and 28 /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: 60927
Total RIPE prefixes after maximum aggregation: 36441
RIPE Deaggregation factor: 1.67
Prefixes being announced from the RIPE address blocks: 56525
Unique aggregates announced from the RIPE address blocks: 37685
RIPE Region origin ASes present in the Internet Routing Table: 12324
RIPE Prefixes per ASN: 4.59
RIPE Region origin ASes announcing only one prefix: 6494
RIPE Region transit ASes present in the Internet Routing Table: 1875
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 17
Number of RIPE addresses announced to Internet: 381297504
Equivalent to 22 /8s, 186 /16s and 35 /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: 22591
Total LACNIC prefixes after maximum aggregation: 5622
LACNIC Deaggregation factor: 4.02
Prefixes being announced from the LACNIC address blocks: 20632
Unique aggregates announced from the LACNIC address blocks: 11496
LACNIC Region origin ASes present in the Internet Routing Table: 1039
LACNIC Prefixes per ASN: 19.86
LACNIC Region origin ASes announcing only one prefix: 335
LACNIC Region transit ASes present in the Internet Routing Table: 167
Average LACNIC Region AS path length visible: 4.0
Max LACNIC Region AS path length visible: 18
Number of LACNIC addresses announced to Internet: 58544896
Equivalent to 3 /8s, 125 /16s and 83 /24s
Percentage of available LACNIC address space announced: 58.2
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: 4292
Total AfriNIC prefixes after maximum aggregation: 1363
AfriNIC Deaggregation factor: 3.15
Prefixes being announced from the AfriNIC address blocks: 4593
Unique aggregates announced from the AfriNIC address blocks: 2182
AfriNIC Region origin ASes present in the Internet Routing Table: 272
AfriNIC Prefixes per ASN: 16.89
AfriNIC Region origin ASes announcing only one prefix: 82
AfriNIC Region transit ASes present in the Internet Routing Table: 56
Average AfriNIC Region AS path length visible: 4.0
Max AfriNIC Region AS path length visible: 15
Number of AfriNIC addresses announced to Internet: 13098240
Equivalent to 0 /8s, 199 /16s and 221 /24s
Percentage of available AfriNIC address space announced: 26.0
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 1442 101 105 Hathway IP Over Cable Interne
4766 1356 6409 364 Korea Telecom (KIX)
4755 1171 474 152 TATA Communications formerly
9583 1071 84 482 Sify Limited
4134 906 15509 355 CHINANET-BACKBONE
23577 812 34 694 Korea Telecom (ATM-MPLS)
18101 783 168 32 Reliance Infocom Ltd Internet
4780 728 357 63 Digital United Inc.
9498 697 327 52 BHARTI BT INTERNET LTD.
7545 656 152 81 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 4380 3435 346 bellsouth.net, inc.
209 2982 4031 620 Qwest
20115 1848 1466 745 Charter Communications
1785 1703 717 155 PaeTec Communications, Inc.
6478 1609 368 289 AT&T Worldnet Services
4323 1599 1068 383 Time Warner Telecom
2386 1587 707 898 AT&T Data Communications Serv
7018 1428 5872 988 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 1403 2832 222 UniNet S.A. de C.V.
11830 667 299 9 Instituto Costarricense de El
10620 605 133 45 TVCABLE BOGOTA
22047 553 270 14 VTR PUNTO NET S.A.
7303 502 248 74 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 357 488 26 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 4380 3435 346 bellsouth.net, inc.
209 2982 4031 620 Qwest
20115 1848 1466 745 Charter Communications
1785 1703 717 155 PaeTec Communications, Inc.
6478 1609 368 289 AT&T Worldnet Services
4323 1599 1068 383 Time Warner Telecom
2386 1587 707 898 AT&T Data Communications Serv
17488 1442 101 105 Hathway IP Over Cable Interne
7018 1428 5872 988 AT&T WorldNet Services
8151 1403 2832 222 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 2982 2362 Qwest
1785 1703 1548 PaeTec Communications, Inc.
17488 1442 1337 Hathway IP Over Cable Interne
6478 1609 1320 AT&T Worldnet Services
4323 1599 1216 Time Warner Telecom
11492 1223 1211 Cable One
8151 1403 1181 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 /14:554 /15:1079 /16:10204 /17:4465 /18:7702
/19:16584 /20:19469 /21:18998 /22:24069 /23:24701 /24:143730
/25:878 /26:1049 /27:814 /28:98 /29:8 /30:1
/31:0 /32:7
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2862 4380 bellsouth.net, inc.
209 1705 2982 Qwest
2386 1266 1587 AT&T Data Communications Serv
17488 1231 1442 Hathway IP Over Cable Interne
11492 1198 1223 Cable One
1785 1163 1703 PaeTec Communications, Inc.
6478 1127 1609 AT&T Worldnet Services
4766 1098 1356 Korea Telecom (KIX)
18566 1040 1059 Covad Communications
9583 935 1071 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 24:1104 32:54 38:524 40:92
41:832 43:1 44:2 47:13 52:3 55:3
56:3 57:26 58:501 59:580 60:456 61:1055
62:1119 63:2013 64:3377 65:2447 66:3600 67:1432
68:655 69:2362 70:525 71:173 72:1599 73:7
74:1322 75:182 76:304 77:901 78:519 79:294
80:938 81:866 82:581 83:402 84:585 85:1045
86:505 87:649 88:356 89:1408 90:44 91:1761
92:323 93:1050 94:779 95:50 96:91 97:141
98:167 99:9 100:1 110:1 111:1 113:58
114:145 115:165 116:1066 117:413 118:252 119:557
120:106 121:693 122:895 123:453 124:855 125:1274
128:359 129:219 130:136 131:399 132:72 133:9
134:192 135:31 136:225 137:125 138:144 139:86
140:413 141:112 142:375 143:323 144:315 145:53
146:370 147:142 148:604 149:216 150:144 151:210
152:146 153:131 154:10 155:250 156:165 157:304
158:165 159:297 160:273 161:131 162:252 163:136
164:515 165:503 166:357 167:355 168:662 169:161
170:459 171:40 172:10 173:127 174:11 187:16
188:1 189:338 190:2463 192:5832 193:4145 194:3290
195:2648 196:1046 198:3708 199:3319 200:5534 201:1499
202:7848 203:8058 204:3943 205:2179 206:2300 207:2784
208:3765 209:3500 210:2710 211:1138 212:1546 213:1658
214:69 215:21 216:4487 217:1246 218:358 219:410
220:1187 221:439 222:287
End of report