Routing Table Report 04:00 +10GMT Tue 10 Feb, 2009
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 278796
Prefixes after maximum aggregation: 132834
Deaggregation factor: 2.10
Unique aggregates announced to Internet: 136613
Total ASes present in the Internet Routing Table: 30525
Prefixes per ASN: 9.13
Origin-only ASes present in the Internet Routing Table: 26551
Origin ASes announcing only one prefix: 12937
Transit ASes present in the Internet Routing Table: 3974
Transit-only ASes present in the Internet Routing Table: 96
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 29
Max AS path prepend of ASN (24523) 16
Prefixes from unregistered ASNs in the Routing Table: 529
Unregistered ASNs in the Routing Table: 180
Number of 32-bit ASNs allocated by the RIRs: 97
Prefixes from 32-bit ASNs in the Routing Table: 15
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 219
Number of addresses announced to Internet: 1996890912
Equivalent to 119 /8s, 6 /16s and 35 /24s
Percentage of available address space announced: 53.9
Percentage of allocated address space announced: 63.0
Percentage of available address space allocated: 85.5
Percentage of address space in use by end-sites: 75.5
Total number of prefixes smaller than registry allocations: 136687
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 64244
Total APNIC prefixes after maximum aggregation: 22981
APNIC Deaggregation factor: 2.80
Prefixes being announced from the APNIC address blocks: 61087
Unique aggregates announced from the APNIC address blocks: 27647
APNIC Region origin ASes present in the Internet Routing Table: 3525
APNIC Prefixes per ASN: 17.33
APNIC Region origin ASes announcing only one prefix: 953
APNIC Region transit ASes present in the Internet Routing Table: 552
Average APNIC Region AS path length visible: 3.5
Max APNIC Region AS path length visible: 19
Number of APNIC addresses announced to Internet: 397546656
Equivalent to 23 /8s, 178 /16s and 20 /24s
Percentage of available APNIC address space announced: 79.0
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: 123323
Total ARIN prefixes after maximum aggregation: 65170
ARIN Deaggregation factor: 1.89
Prefixes being announced from the ARIN address blocks: 92840
Unique aggregates announced from the ARIN address blocks: 35474
ARIN Region origin ASes present in the Internet Routing Table: 12765
ARIN Prefixes per ASN: 7.27
ARIN Region origin ASes announcing only one prefix: 4912
ARIN Region transit ASes present in the Internet Routing Table: 1226
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 20
Number of ARIN addresses announced to Internet: 414184736
Equivalent to 24 /8s, 175 /16s and 245 /24s
Percentage of available ARIN address space announced: 79.6
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, 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: 63005
Total RIPE prefixes after maximum aggregation: 37199
RIPE Deaggregation factor: 1.69
Prefixes being announced from the RIPE address blocks: 57827
Unique aggregates announced from the RIPE address blocks: 38633
RIPE Region origin ASes present in the Internet Routing Table: 12632
RIPE Prefixes per ASN: 4.58
RIPE Region origin ASes announcing only one prefix: 6648
RIPE Region transit ASes present in the Internet Routing Table: 1920
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 19
Number of RIPE addresses announced to Internet: 388288864
Equivalent to 23 /8s, 36 /16s and 209 /24s
Percentage of available RIPE address space announced: 82.7
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, 109/8,
178/8, 193/8, 194/8, 195/8, 212/8, 213/8, 217/8,
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 23240
Total LACNIC prefixes after maximum aggregation: 5697
LACNIC Deaggregation factor: 4.08
Prefixes being announced from the LACNIC address blocks: 21414
Unique aggregates announced from the LACNIC address blocks: 11835
LACNIC Region origin ASes present in the Internet Routing Table: 1061
LACNIC Prefixes per ASN: 20.18
LACNIC Region origin ASes announcing only one prefix: 339
LACNIC Region transit ASes present in the Internet Routing Table: 176
Average LACNIC Region AS path length visible: 4.0
Max LACNIC Region AS path length visible: 17
Number of LACNIC addresses announced to Internet: 60601728
Equivalent to 3 /8s, 156 /16s and 181 /24s
Percentage of available LACNIC address space announced: 60.2
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: 4487
Total AfriNIC prefixes after maximum aggregation: 1378
AfriNIC Deaggregation factor: 3.26
Prefixes being announced from the AfriNIC address blocks: 4031
Unique aggregates announced from the AfriNIC address blocks: 1394
AfriNIC Region origin ASes present in the Internet Routing Table: 280
AfriNIC Prefixes per ASN: 14.40
AfriNIC Region origin ASes announcing only one prefix: 85
AfriNIC Region transit ASes present in the Internet Routing Table: 53
Average AfriNIC Region AS path length visible: 4.0
Max AfriNIC Region AS path length visible: 29
Number of AfriNIC addresses announced to Internet: 9983744
Equivalent to 0 /8s, 152 /16s and 87 /24s
Percentage of available AfriNIC address space announced: 29.8
AfriNIC AS Blocks 36864-37887 & ERX transfers
AfriNIC Address Blocks 41/8, 197/8,
APNIC Region per AS prefix count summary
----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
4766 1646 6412 378 Korea Telecom (KIX)
17488 1522 110 97 Hathway IP Over Cable Interne
4755 1202 428 181 TATA Communications formerly
9583 1059 107 364 Sify Limited
4134 904 16247 368 CHINANET-BACKBONE
18101 752 198 26 Reliance Infocom Ltd Internet
7545 718 158 96 TPG Internet Pty Ltd
9498 680 297 53 BHARTI BT INTERNET LTD.
24560 668 228 174 Bharti Airtel Ltd.
9829 638 491 19 BSNL National Internet Backbo
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 4374 3433 343 bellsouth.net, inc.
209 2827 4036 617 Qwest
1785 1787 733 139 PaeTec Communications, Inc.
4323 1645 1081 376 Time Warner Telecom
20115 1593 1423 726 Charter Communications
7018 1444 5878 998 AT&T WorldNet Services
2386 1253 715 894 AT&T Data Communications Serv
6478 1227 292 504 AT&T Worldnet Services
11492 1223 192 12 Cable One
3356 1140 10976 438 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
8452 1041 188 7 TEDATA
3292 442 1761 387 TDC Tele Danmark
30890 439 88 201 SC Kappa Invexim SRL
12479 397 578 6 Uni2 Autonomous System
3301 338 1669 304 TeliaNet Sweden
3320 338 7064 289 Deutsche Telekom AG
3215 336 2946 103 France Telecom Transpac
8866 336 109 22 Bulgarian Telecommunication C
29049 331 26 3 AzerSat LLC.
8551 312 288 40 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 1478 2833 227 UniNet S.A. de C.V.
10620 740 161 94 TVCABLE BOGOTA
11830 689 299 9 Instituto Costarricense de El
22047 619 302 14 VTR PUNTO NET S.A.
7303 509 253 79 Telecom Argentina Stet-France
6471 439 95 42 ENTEL CHILE S.A.
16814 426 27 10 NSS, S.A.
11172 406 118 74 Servicios Alestra S.A de C.V
7738 397 794 28 Telecomunicacoes da Bahia S.A
28573 373 506 23 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 630 74 41 LINKdotNET AS number
20858 275 34 3 This AS will be used to conne
3741 269 857 227 The Internet Solution
2018 242 215 142 Tertiary Education Network
33783 150 10 8 EEPAD TISP TELECOM & INTERNET
6713 144 135 11 Itissalat Al-MAGHRIB
29571 128 15 8 Ci Telecom Autonomous system
5536 120 8 17 Internet Egypt Network
33776 118 6 3 Starcomms Nigeria Limited
5713 117 555 66 Telkom SA Ltd
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 4374 3433 343 bellsouth.net, inc.
209 2827 4036 617 Qwest
1785 1787 733 139 PaeTec Communications, Inc.
4766 1646 6412 378 Korea Telecom (KIX)
4323 1645 1081 376 Time Warner Telecom
20115 1593 1423 726 Charter Communications
17488 1522 110 97 Hathway IP Over Cable Interne
8151 1478 2833 227 UniNet S.A. de C.V.
7018 1444 5878 998 AT&T WorldNet Services
2386 1253 715 894 AT&T Data Communications Serv
Complete listing at http://thyme.apnic.net/current/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
209 2827 2210 Qwest
1785 1787 1648 PaeTec Communications, Inc.
17488 1522 1425 Hathway IP Over Cable Interne
4323 1645 1269 Time Warner Telecom
4766 1646 1268 Korea Telecom (KIX)
8151 1478 1251 UniNet S.A. de C.V.
11492 1223 1211 Cable One
18566 1061 1051 Covad Communications
8452 1041 1034 TEDATA
4755 1202 1021 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 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.
24.246.0.0/17 7018 AT&T WorldNet Services
24.246.128.0/18 7018 AT&T WorldNet Services
41.220.16.0/20 8668 TelOne Zimbabwe P/L
41.223.112.0/22 5713 Telkom SA Ltd
41.223.188.0/24 22351 Intelsat
41.223.189.0/24 26452 Local Communications Networks
62.12.96.0/19 15834 MenaNet network Autonomous Sy
62.12.107.0/24 15834 MenaNet network Autonomous Sy
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 /9:10 /10:20 /11:54 /12:160
/13:309 /14:572 /15:1125 /16:10330 /17:4584 /18:7860
/19:16906 /20:19837 /21:19425 /22:24634 /23:24876 /24:145974
/25:672 /26:806 /27:504 /28:103 /29:8 /30:1
/31:0 /32:7
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2851 4374 bellsouth.net, inc.
209 1569 2827 Qwest
4766 1378 1646 Korea Telecom (KIX)
17488 1303 1522 Hathway IP Over Cable Interne
1785 1200 1787 PaeTec Communications, Inc.
11492 1187 1223 Cable One
18566 1042 1061 Covad Communications
8452 1010 1041 TEDATA
2386 943 1253 AT&T Data Communications Serv
9583 909 1059 Sify Limited
Complete listing at http://thyme.apnic.net/current/data/sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:13 8:179 12:2196 13:2 15:21 16:3
17:5 20:35 24:1116 32:51 38:540 40:96
41:1754 43:1 44:2 47:11 52:3 55:2
56:3 57:26 58:517 59:610 60:459 61:1100
62:1123 63:2007 64:3413 65:2433 66:3531 67:1466
68:649 69:2468 70:526 71:159 72:1607 73:2
74:1408 75:203 76:295 77:782 78:542 79:313
80:961 81:823 82:552 83:399 84:605 85:1015
86:400 87:624 88:351 89:1376 90:43 91:1942
92:274 93:1094 94:1005 95:340 96:95 97:178
98:193 99:16 110:1 111:1 112:19 113:75
114:164 115:215 116:1154 117:477 118:269 119:632
120:137 121:701 122:932 123:509 124:842 125:1274
128:223 129:222 130:134 131:410 132:73 133:9
134:342 135:35 136:224 137:141 138:145 139:80
140:411 141:105 142:372 143:314 144:320 145:39
146:373 147:146 148:521 149:233 150:140 151:201
152:151 153:132 154:10 155:258 156:171 157:294
158:157 159:239 160:283 161:138 162:274 163:142
164:515 165:500 166:274 167:351 168:672 169:161
170:473 171:40 172:10 173:203 174:58 186:7
187:60 189:304 190:2571 192:5805 193:4193 194:3333
195:2687 196:1067 198:3694 199:3286 200:5525 201:1481
202:7806 203:7976 204:3926 205:2152 206:2357 207:2788
208:3824 209:3489 210:2600 211:1122 212:1508 213:1702
214:68 215:30 216:4582 217:1210 218:373 219:406
220:1207 221:453 222:303
End of report