Routing Table Report 04:00 +10GMT Mon 29 Dec, 2008
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 275856
Prefixes after maximum aggregation: 131457
Deaggregation factor: 2.10
Unique aggregates announced to Internet: 133373
Total ASes present in the Internet Routing Table: 30188
Prefixes per ASN: 9.14
Origin-only ASes present in the Internet Routing Table: 26283
Origin ASes announcing only one prefix: 12812
Transit ASes present in the Internet Routing Table: 3905
Transit-only ASes present in the Internet Routing Table: 97
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 23
Max AS path prepend of ASN ( 3816) 15
Prefixes from unregistered ASNs in the Routing Table: 516
Unregistered ASNs in the Routing Table: 184
Number of 32-bit ASNs allocated by the RIRs: 70
Prefixes from 32-bit ASNs in the Routing Table: 12
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 210
Number of addresses announced to Internet: 1980204832
Equivalent to 118 /8s, 7 /16s and 135 /24s
Percentage of available address space announced: 53.4
Percentage of allocated address space announced: 63.1
Percentage of available address space allocated: 84.6
Percentage of address space in use by end-sites: 75.0
Total number of prefixes smaller than registry allocations: 135595
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 63607
Total APNIC prefixes after maximum aggregation: 22695
APNIC Deaggregation factor: 2.80
Prefixes being announced from the APNIC address blocks: 60505
Unique aggregates announced from the APNIC address blocks: 26059
APNIC Region origin ASes present in the Internet Routing Table: 3499
APNIC Prefixes per ASN: 17.29
APNIC Region origin ASes announcing only one prefix: 957
APNIC Region transit ASes present in the Internet Routing Table: 536
Average APNIC Region AS path length visible: 3.5
Max APNIC Region AS path length visible: 23
Number of APNIC addresses announced to Internet: 395491488
Equivalent to 23 /8s, 146 /16s and 184 /24s
Percentage of available APNIC address space announced: 78.6
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: 123230
Total ARIN prefixes after maximum aggregation: 64594
ARIN Deaggregation factor: 1.91
Prefixes being announced from the ARIN address blocks: 92336
Unique aggregates announced from the ARIN address blocks: 35113
ARIN Region origin ASes present in the Internet Routing Table: 12667
ARIN Prefixes per ASN: 7.29
ARIN Region origin ASes announcing only one prefix: 4882
ARIN Region transit ASes present in the Internet Routing Table: 1207
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 20
Number of ARIN addresses announced to Internet: 405329440
Equivalent to 24 /8s, 40 /16s and 214 /24s
Percentage of available ARIN address space announced: 77.9
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, 108/8, 173/8,
174/8, 184/8, 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: 61442
Total RIPE prefixes after maximum aggregation: 36747
RIPE Deaggregation factor: 1.67
Prefixes being announced from the RIPE address blocks: 57003
Unique aggregates announced from the RIPE address blocks: 37973
RIPE Region origin ASes present in the Internet Routing Table: 12430
RIPE Prefixes per ASN: 4.59
RIPE Region origin ASes announcing only one prefix: 6549
RIPE Region transit ASes present in the Internet Routing Table: 1883
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 17
Number of RIPE addresses announced to Internet: 383904352
Equivalent to 22 /8s, 225 /16s and 234 /24s
Percentage of available RIPE address space announced: 88.0
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: 23053
Total LACNIC prefixes after maximum aggregation: 5635
LACNIC Deaggregation factor: 4.09
Prefixes being announced from the LACNIC address blocks: 21089
Unique aggregates announced from the LACNIC address blocks: 11605
LACNIC Region origin ASes present in the Internet Routing Table: 1043
LACNIC Prefixes per ASN: 20.22
LACNIC Region origin ASes announcing only one prefix: 338
LACNIC Region transit ASes present in the Internet Routing Table: 169
Average LACNIC Region AS path length visible: 4.1
Max LACNIC Region AS path length visible: 18
Number of LACNIC addresses announced to Internet: 59291008
Equivalent to 3 /8s, 136 /16s and 181 /24s
Percentage of available LACNIC address space announced: 58.9
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: 4025
Total AfriNIC prefixes after maximum aggregation: 1369
AfriNIC Deaggregation factor: 2.94
Prefixes being announced from the AfriNIC address blocks: 4315
Unique aggregates announced from the AfriNIC address blocks: 2177
AfriNIC Region origin ASes present in the Internet Routing Table: 274
AfriNIC Prefixes per ASN: 15.75
AfriNIC Region origin ASes announcing only one prefix: 86
AfriNIC Region transit ASes present in the Internet Routing Table: 56
Average AfriNIC Region AS path length visible: 4.3
Max AfriNIC Region AS path length visible: 15
Number of AfriNIC addresses announced to Internet: 13099264
Equivalent to 0 /8s, 199 /16s and 225 /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
4766 1642 6409 368 Korea Telecom (KIX)
17488 1471 103 98 Hathway IP Over Cable Interne
4755 1176 475 152 TATA Communications formerly
9583 904 131 66 Sify Limited
4134 893 15961 359 CHINANET-BACKBONE
18101 782 168 31 Reliance Infocom Ltd Internet
9498 756 291 45 BHARTI BT INTERNET LTD.
4780 725 358 63 Digital United Inc.
7545 657 152 80 TPG Internet Pty Ltd
24560 643 226 165 Bharti Airtel 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 4382 3435 345 bellsouth.net, inc.
209 2846 4032 623 Qwest
20115 1851 1473 743 Charter Communications
1785 1707 717 155 PaeTec Communications, Inc.
6478 1613 372 274 AT&T Worldnet Services
4323 1606 1065 377 Time Warner Telecom
2386 1586 706 897 AT&T Data Communications Serv
7018 1425 5873 985 AT&T WorldNet Services
11492 1230 192 12 Cable One
3356 1105 10994 431 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 433 1764 382 TDC Tele Danmark
30890 391 80 203 SC Kappa Invexim SRL
12479 379 578 6 Uni2 Autonomous System
3301 336 1413 303 TeliaNet Sweden
3320 333 7065 282 Deutsche Telekom AG
8866 331 109 22 Bulgarian Telecommunication C
29049 323 26 3 AzerSat LLC.
3215 321 2856 95 France Telecom Transpac
8551 303 287 34 Bezeq International
25233 289 44 24 Awalnet
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 1402 2832 224 UniNet S.A. de C.V.
11830 671 299 9 Instituto Costarricense de El
10620 658 140 60 TVCABLE BOGOTA
22047 565 302 14 VTR PUNTO NET S.A.
7303 504 249 75 Telecom Argentina Stet-France
6471 429 86 43 ENTEL CHILE S.A.
16814 426 27 10 NSS, S.A.
11172 400 118 72 Servicios Alestra S.A de C.V
28573 365 491 24 NET Servicos de Comunicao S.A
7738 360 730 27 Telecomunicacoes da Bahia 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 440 72 49 LINKdotNET AS number
3741 270 857 227 The Internet Solution
20858 257 34 3 This AS will be used to conne
2018 239 215 140 Tertiary Education Network
6713 145 139 12 Itissalat Al-MAGHRIB
33783 143 10 18 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 118 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 4382 3435 345 bellsouth.net, inc.
209 2846 4032 623 Qwest
20115 1851 1473 743 Charter Communications
1785 1707 717 155 PaeTec Communications, Inc.
4766 1642 6409 368 Korea Telecom (KIX)
6478 1613 372 274 AT&T Worldnet Services
4323 1606 1065 377 Time Warner Telecom
2386 1586 706 897 AT&T Data Communications Serv
17488 1471 103 98 Hathway IP Over Cable Interne
7018 1425 5873 985 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 2846 2223 Qwest
1785 1707 1552 PaeTec Communications, Inc.
17488 1471 1373 Hathway IP Over Cable Interne
6478 1613 1339 AT&T Worldnet Services
4766 1642 1274 Korea Telecom (KIX)
4323 1606 1229 Time Warner Telecom
11492 1230 1218 Cable One
8151 1402 1178 UniNet S.A. de C.V.
20115 1851 1108 Charter Communications
18566 1060 1050 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 7018 AT&T WorldNet Servic
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 /8:20 /9:9 /10:20 /11:54 /12:158
/13:310 /14:562 /15:1099 /16:10278 /17:4531 /18:7743
/19:16667 /20:19581 /21:19145 /22:24332 /23:24832 /24:144432
/25:649 /26:813 /27:514 /28:91 /29:8 /30:1
/31:0 /32:7
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2865 4382 bellsouth.net, inc.
209 1591 2846 Qwest
4766 1374 1642 Korea Telecom (KIX)
2386 1263 1586 AT&T Data Communications Serv
17488 1260 1471 Hathway IP Over Cable Interne
11492 1200 1230 Cable One
1785 1168 1707 PaeTec Communications, Inc.
6478 1131 1613 AT&T Worldnet Services
18566 1041 1060 Covad Communications
20115 930 1851 Charter Communications
Complete listing at http://thyme.apnic.net/current/data/sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:12 8:172 12:2227 13:2 15:21 16:3
17:5 20:35 24:1108 32:54 38:530 40:96
41:886 43:1 44:2 47:9 52:3 55:3
56:3 57:26 58:520 59:598 60:456 61:1107
62:1089 63:2002 64:3409 65:2449 66:3610 67:1444
68:655 69:2431 70:531 71:173 72:1589 73:7
74:1340 75:193 76:306 77:900 78:520 79:301
80:941 81:840 82:541 83:381 84:592 85:1058
86:495 87:657 88:349 89:1392 90:41 91:1797
92:303 93:1075 94:856 95:141 96:95 97:151
98:173 99:10 110:1 111:1 113:56 114:151
115:173 116:1103 117:419 118:249 119:592 120:122
121:700 122:884 123:477 124:765 125:1337 128:358
129:220 130:135 131:408 132:72 133:9 134:323
135:33 136:224 137:132 138:144 139:92 140:414
141:109 142:381 143:292 144:315 145:53 146:371
147:142 148:606 149:219 150:139 151:208 152:149
153:131 154:10 155:250 156:165 157:304 158:163
159:300 160:274 161:131 162:255 163:141 164:516
165:500 166:364 167:348 168:669 169:159 170:461
171:38 172:10 173:138 174:17 187:17 188:1
189:351 190:2573 192:5805 193:4150 194:3289 195:2666
196:1031 198:3689 199:3310 200:5569 201:1504 202:7782
203:8079 204:3910 205:2156 206:2322 207:2754 208:3784
209:3494 210:2685 211:1165 212:1546 213:1626 214:67
215:29 216:4529 217:1196 218:376 219:404 220:1226
221:410 222:299
End of report