Routing Table Report 04:00 +10GMT Fri 28 Nov, 2008
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 275277
Prefixes after maximum aggregation: 131828
Deaggregation factor: 2.09
Unique aggregates announced to Internet: 133396
Total ASes present in the Internet Routing Table: 29924
Prefixes per ASN: 9.20
Origin-only ASes present in the Internet Routing Table: 26064
Origin ASes announcing only one prefix: 12692
Transit ASes present in the Internet Routing Table: 3860
Transit-only ASes present in the Internet Routing Table: 88
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 18
Max AS path prepend of ASN ( 3816) 15
Prefixes from unregistered ASNs in the Routing Table: 541
Unregistered ASNs in the Routing Table: 197
Number of 32-bit ASNs allocated by the RIRs: 65
Prefixes from 32-bit ASNs in the Routing Table: 9
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 197
Number of addresses announced to Internet: 1965111040
Equivalent to 117 /8s, 33 /16s and 55 /24s
Percentage of available address space announced: 53.0
Percentage of allocated address space announced: 63.3
Percentage of available address space allocated: 83.7
Percentage of address space in use by end-sites: 74.5
Total number of prefixes smaller than registry allocations: 135880
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 63065
Total APNIC prefixes after maximum aggregation: 23286
APNIC Deaggregation factor: 2.71
Prefixes being announced from the APNIC address blocks: 59972
Unique aggregates announced from the APNIC address blocks: 27050
APNIC Region origin ASes present in the Internet Routing Table: 3471
APNIC Prefixes per ASN: 17.28
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: 17
Number of APNIC addresses announced to Internet: 388575136
Equivalent to 23 /8s, 41 /16s and 47 /24s
Percentage of available APNIC address space announced: 77.2
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: 124440
Total ARIN prefixes after maximum aggregation: 64951
ARIN Deaggregation factor: 1.92
Prefixes being announced from the ARIN address blocks: 93770
Unique aggregates announced from the ARIN address blocks: 34775
ARIN Region origin ASes present in the Internet Routing Table: 12622
ARIN Prefixes per ASN: 7.43
ARIN Region origin ASes announcing only one prefix: 4879
ARIN Region transit ASes present in the Internet Routing Table: 1204
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 16
Number of ARIN addresses announced to Internet: 401988512
Equivalent to 23 /8s, 245 /16s and 219 /24s
Percentage of available ARIN address space announced: 82.6
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: 60594
Total RIPE prefixes after maximum aggregation: 36244
RIPE Deaggregation factor: 1.67
Prefixes being announced from the RIPE address blocks: 56204
Unique aggregates announced from the RIPE address blocks: 37493
RIPE Region origin ASes present in the Internet Routing Table: 12251
RIPE Prefixes per ASN: 4.59
RIPE Region origin ASes announcing only one prefix: 6458
RIPE Region transit ASes present in the Internet Routing Table: 1860
Average RIPE Region AS path length visible: 3.9
Max RIPE Region AS path length visible: 17
Number of RIPE addresses announced to Internet: 380465504
Equivalent to 22 /8s, 173 /16s and 113 /24s
Percentage of available RIPE address space announced: 87.2
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: 22468
Total LACNIC prefixes after maximum aggregation: 5572
LACNIC Deaggregation factor: 4.03
Prefixes being announced from the LACNIC address blocks: 20487
Unique aggregates announced from the LACNIC address blocks: 11444
LACNIC Region origin ASes present in the Internet Routing Table: 1037
LACNIC Prefixes per ASN: 19.76
LACNIC Region origin ASes announcing only one prefix: 338
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: 58173952
Equivalent to 3 /8s, 119 /16s and 170 /24s
Percentage of available LACNIC address space announced: 57.8
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: 4190
Total AfriNIC prefixes after maximum aggregation: 1345
AfriNIC Deaggregation factor: 3.12
Prefixes being announced from the AfriNIC address blocks: 4492
Unique aggregates announced from the AfriNIC address blocks: 2193
AfriNIC Region origin ASes present in the Internet Routing Table: 270
AfriNIC Prefixes per ASN: 16.64
AfriNIC Region origin ASes announcing only one prefix: 84
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: 13026304
Equivalent to 0 /8s, 198 /16s and 196 /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 1441 101 110 Hathway IP Over Cable Interne
4766 1239 6408 360 Korea Telecom (KIX)
4755 1166 474 154 TATA Communications formerly
9583 1134 88 480 Sify Limited
4134 907 15536 371 CHINANET-BACKBONE
18101 785 168 32 Reliance Infocom Ltd Internet
4780 728 357 63 Digital United Inc.
9498 689 295 50 BHARTI BT INTERNET LTD.
23577 681 32 587 Korea Telecom (ATM-MPLS)
7545 645 152 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 4375 3434 344 bellsouth.net, inc.
209 2988 4032 620 Qwest
6298 2168 334 632 Cox Communicatons
20115 1841 1460 737 Charter Communications
1785 1701 717 154 PaeTec Communications, Inc.
6478 1608 368 198 AT&T Worldnet Services
2386 1595 701 901 AT&T Data Communications Serv
4323 1589 1066 376 Time Warner Telecom
7018 1420 5872 983 AT&T WorldNet Services
11492 1219 192 12 Cable One
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 431 1765 381 TDC Tele Danmark
12479 371 578 6 Uni2 Autonomous System
30890 369 80 196 SC Kappa Invexim SRL
3301 338 1429 307 TeliaNet Sweden
29049 331 26 3 AzerSat LLC.
8866 330 109 22 Bulgarian Telecommunication C
3320 326 7063 275 Deutsche Telekom AG
3215 314 2776 97 France Telecom Transpac
8452 311 188 11 TEDATA
8551 303 286 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 1399 2832 222 UniNet S.A. de C.V.
11830 664 299 9 Instituto Costarricense de El
22047 552 270 14 VTR PUNTO NET S.A.
10620 528 121 39 TVCABLE BOGOTA
7303 496 244 71 Telecom Argentina Stet-France
16814 426 27 10 NSS, S.A.
6471 425 88 50 ENTEL CHILE S.A.
11172 402 118 72 Servicios Alestra S.A de C.V
28573 354 479 27 NET Servicos de Comunicao S.A
14117 335 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 513 72 46 LINKdotNET AS number
3741 270 857 226 The Internet Solution
20858 262 34 3 EgyNet
2018 239 215 140 Tertiary Education Network
29571 148 15 8 Ci Telecom Autonomous system
33783 143 10 17 EEPAD TISP TELECOM & INTERNET
6713 137 135 11 Itissalat Al-MAGHRIB
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 4375 3434 344 bellsouth.net, inc.
209 2988 4032 620 Qwest
6298 2168 334 632 Cox Communicatons
20115 1841 1460 737 Charter Communications
1785 1701 717 154 PaeTec Communications, Inc.
6478 1608 368 198 AT&T Worldnet Services
2386 1595 701 901 AT&T Data Communications Serv
4323 1589 1066 376 Time Warner Telecom
17488 1441 101 110 Hathway IP Over Cable Interne
7018 1420 5872 983 AT&T WorldNet Services
Complete listing at http://thyme.apnic.net/current/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
209 2988 2368 Qwest
1785 1701 1547 PaeTec Communications, Inc.
6298 2168 1536 Cox Communicatons
6478 1608 1410 AT&T Worldnet Services
17488 1441 1331 Hathway IP Over Cable Interne
4323 1589 1213 Time Warner Telecom
11492 1219 1207 Cable One
8151 1399 1177 UniNet S.A. de C.V.
20115 1841 1104 Charter Communications
18566 1059 1049 Covad Communications
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
/13:308 /14:548 /15:1078 /16:10182 /17:4476 /18:7720
/19:16586 /20:19468 /21:19147 /22:24305 /23:24988 /24:143537
/25:830 /26:981 /27:750 /28:96 /29:9 /30:1
/31:0 /32:7
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2858 4375 bellsouth.net, inc.
6298 2142 2168 Cox Communicatons
209 1710 2988 Qwest
2386 1274 1595 AT&T Data Communications Serv
17488 1231 1441 Hathway IP Over Cable Interne
11492 1194 1219 Cable One
1785 1163 1701 PaeTec Communications, Inc.
6478 1106 1608 AT&T Worldnet Services
18566 1040 1059 Covad Communications
9583 1000 1134 Sify Limited
Complete listing at http://thyme.apnic.net/current/data/sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:12 8:160 12:2182 13:2 15:21 16:3
17:5 20:36 24:1125 32:54 38:515 40:93
41:827 43:1 44:2 47:12 52:3 55:3
56:3 57:27 58:496 59:564 60:457 61:1041
62:1120 63:2012 64:3300 65:2448 66:3524 67:1369
68:846 69:2360 70:898 71:170 72:2083 73:7
74:1313 75:171 76:289 77:894 78:523 79:287
80:929 81:855 82:572 83:410 84:585 85:1045
86:507 87:651 88:350 89:1363 90:29 91:1717
92:319 93:989 94:688 95:49 96:92 97:138
98:403 99:9 100:1 113:41 114:130 115:162
116:1047 117:409 118:260 119:552 120:106 121:660
122:893 123:450 124:843 125:1245 128:357 129:219
130:135 131:410 132:72 133:9 134:187 135:31
136:223 137:117 138:144 139:86 140:414 141:111
142:372 143:304 144:306 145:52 146:373 147:143
148:603 149:210 150:143 151:210 152:141 153:131
154:10 155:276 156:164 157:301 158:169 159:298
160:273 161:132 162:251 163:132 164:518 165:513
166:361 167:341 168:650 169:155 170:458 171:40
172:10 173:126 174:7 187:18 188:1 189:332
190:2428 192:5827 193:4162 194:3292 195:2624 196:1029
198:3707 199:3313 200:5523 201:1476 202:7641 203:8042
204:3933 205:2186 206:2301 207:2763 208:3752 209:3440
210:2632 211:1137 212:1548 213:1646 214:70 215:25
216:4386 217:1235 218:356 219:413 220:1089 221:453
222:312
End of report