Routing Table Report 04:00 +10GMT Thu 01 Jan, 2009
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 275540
Prefixes after maximum aggregation: 131771
Deaggregation factor: 2.09
Unique aggregates announced to Internet: 133524
Total ASes present in the Internet Routing Table: 30203
Prefixes per ASN: 9.12
Origin-only ASes present in the Internet Routing Table: 26293
Origin ASes announcing only one prefix: 12811
Transit ASes present in the Internet Routing Table: 3910
Transit-only ASes present in the Internet Routing Table: 95
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: 513
Unregistered ASNs in the Routing Table: 182
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: 209
Number of addresses announced to Internet: 1980952864
Equivalent to 118 /8s, 18 /16s and 241 /24s
Percentage of available address space announced: 53.4
Percentage of allocated address space announced: 63.2
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: 135012
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 63622
Total APNIC prefixes after maximum aggregation: 22704
APNIC Deaggregation factor: 2.80
Prefixes being announced from the APNIC address blocks: 60512
Unique aggregates announced from the APNIC address blocks: 26108
APNIC Region origin ASes present in the Internet Routing Table: 3495
APNIC Prefixes per ASN: 17.31
APNIC Region origin ASes announcing only one prefix: 955
APNIC Region transit ASes present in the Internet Routing Table: 539
Average APNIC Region AS path length visible: 3.5
Max APNIC Region AS path length visible: 23
Number of APNIC addresses announced to Internet: 395974048
Equivalent to 23 /8s, 154 /16s and 21 /24s
Percentage of available APNIC address space announced: 78.7
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: 122834
Total ARIN prefixes after maximum aggregation: 64819
ARIN Deaggregation factor: 1.90
Prefixes being announced from the ARIN address blocks: 92430
Unique aggregates announced from the ARIN address blocks: 35146
ARIN Region origin ASes present in the Internet Routing Table: 12680
ARIN Prefixes per ASN: 7.29
ARIN Region origin ASes announcing only one prefix: 4890
ARIN Region transit ASes present in the Internet Routing Table: 1205
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 20
Number of ARIN addresses announced to Internet: 405427232
Equivalent to 24 /8s, 42 /16s and 84 /24s
Percentage of available ARIN address space announced: 78.0
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: 61469
Total RIPE prefixes after maximum aggregation: 36741
RIPE Deaggregation factor: 1.67
Prefixes being announced from the RIPE address blocks: 56903
Unique aggregates announced from the RIPE address blocks: 38001
RIPE Region origin ASes present in the Internet Routing Table: 12438
RIPE Prefixes per ASN: 4.57
RIPE Region origin ASes announcing only one prefix: 6541
RIPE Region transit ASes present in the Internet Routing Table: 1885
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 17
Number of RIPE addresses announced to Internet: 383797088
Equivalent to 22 /8s, 224 /16s and 71 /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: 22919
Total LACNIC prefixes after maximum aggregation: 5729
LACNIC Deaggregation factor: 4.00
Prefixes being announced from the LACNIC address blocks: 21026
Unique aggregates announced from the LACNIC address blocks: 11600
LACNIC Region origin ASes present in the Internet Routing Table: 1046
LACNIC Prefixes per ASN: 20.10
LACNIC Region origin ASes announcing only one prefix: 340
LACNIC Region transit ASes present in the Internet Routing Table: 170
Average LACNIC Region AS path length visible: 4.1
Max LACNIC Region AS path length visible: 18
Number of LACNIC addresses announced to Internet: 59294080
Equivalent to 3 /8s, 136 /16s and 193 /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: 4200
Total AfriNIC prefixes after maximum aggregation: 1367
AfriNIC Deaggregation factor: 3.07
Prefixes being announced from the AfriNIC address blocks: 4601
Unique aggregates announced from the AfriNIC address blocks: 2188
AfriNIC Region origin ASes present in the Internet Routing Table: 274
AfriNIC Prefixes per ASN: 16.79
AfriNIC Region origin ASes announcing only one prefix: 85
AfriNIC Region transit ASes present in the Internet Routing Table: 57
Average AfriNIC Region AS path length visible: 4.2
Max AfriNIC Region AS path length visible: 15
Number of AfriNIC addresses announced to Internet: 13105664
Equivalent to 0 /8s, 199 /16s and 250 /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 1647 6410 372 Korea Telecom (KIX)
17488 1477 104 101 Hathway IP Over Cable Interne
4755 1176 451 159 TATA Communications formerly
9583 900 131 67 Sify Limited
4134 896 15977 360 CHINANET-BACKBONE
18101 780 168 31 Reliance Infocom Ltd Internet
9498 759 292 47 BHARTI BT INTERNET LTD.
4780 721 360 66 Digital United Inc.
7545 660 152 82 TPG Internet Pty Ltd
24560 657 227 168 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 4381 3435 345 bellsouth.net, inc.
209 2843 4032 621 Qwest
20115 1850 1457 742 Charter Communications
1785 1706 717 154 PaeTec Communications, Inc.
4323 1607 1067 379 Time Warner Telecom
2386 1582 706 897 AT&T Data Communications Serv
7018 1427 5873 986 AT&T WorldNet Services
11492 1230 192 12 Cable One
3356 1105 10994 432 Level 3 Communications, LLC
18566 1060 296 10 Covad Communications
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
8452 401 188 7 TEDATA
30890 391 80 203 SC Kappa Invexim SRL
12479 382 578 6 Uni2 Autonomous System
3301 336 1413 303 TeliaNet Sweden
3320 333 7065 282 Deutsche Telekom AG
8866 330 109 22 Bulgarian Telecommunication C
3215 327 2857 96 France Telecom Transpac
29049 323 26 3 AzerSat LLC.
8551 304 287 35 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 1401 2820 223 UniNet S.A. de C.V.
10620 687 149 60 TVCABLE BOGOTA
11830 671 299 9 Instituto Costarricense de El
22047 565 302 14 VTR PUNTO NET S.A.
7303 504 249 75 Telecom Argentina Stet-France
6471 429 86 40 ENTEL CHILE S.A.
16814 426 27 10 NSS, S.A.
11172 411 118 72 Servicios Alestra S.A de C.V
28573 364 489 26 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 538 72 43 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
33783 147 10 13 EEPAD TISP TELECOM & INTERNET
6713 145 139 12 Itissalat Al-MAGHRIB
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 4381 3435 345 bellsouth.net, inc.
209 2843 4032 621 Qwest
20115 1850 1457 742 Charter Communications
1785 1706 717 154 PaeTec Communications, Inc.
4766 1647 6410 372 Korea Telecom (KIX)
4323 1607 1067 379 Time Warner Telecom
2386 1582 706 897 AT&T Data Communications Serv
17488 1477 104 101 Hathway IP Over Cable Interne
7018 1427 5873 986 AT&T WorldNet Services
8151 1401 2820 223 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 2843 2222 Qwest
1785 1706 1552 PaeTec Communications, Inc.
17488 1477 1376 Hathway IP Over Cable Interne
4766 1647 1275 Korea Telecom (KIX)
4323 1607 1228 Time Warner Telecom
11492 1230 1218 Cable One
8151 1401 1178 UniNet S.A. de C.V.
20115 1850 1108 Charter Communications
18566 1060 1050 Covad Communications
4755 1176 1017 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.
24.142.40.0/21 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 /16:10290 /17:4527 /18:7753
/19:16649 /20:19591 /21:19127 /22:24231 /23:24639 /24:144399
/25:654 /26:819 /27:515 /28:98 /29:8 /30:1
/31:0 /32:7
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2864 4381 bellsouth.net, inc.
209 1589 2843 Qwest
4766 1382 1647 Korea Telecom (KIX)
17488 1263 1477 Hathway IP Over Cable Interne
2386 1259 1582 AT&T Data Communications Serv
11492 1200 1230 Cable One
1785 1168 1706 PaeTec Communications, Inc.
18566 1041 1060 Covad Communications
20115 930 1850 Charter Communications
7011 837 934 Citizens Utilities
Complete listing at http://thyme.apnic.net/current/data/sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:12 8:173 12:2180 13:2 15:21 16:3
17:5 20:35 24:1108 32:54 38:531 40:96
41:967 43:1 44:2 47:9 52:3 55:3
56:3 57:26 58:525 59:600 60:455 61:1106
62:1119 63:2003 64:3398 65:2443 66:3605 67:1452
68:655 69:2414 70:530 71:173 72:1590 73:7
74:1339 75:193 76:306 77:784 78:513 79:303
80:946 81:847 82:572 83:381 84:593 85:1062
86:394 87:649 88:349 89:1388 90:41 91:1813
92:304 93:1073 94:867 95:146 96:96 97:151
98:171 99:10 110:1 111:1 113:57 114:151
115:181 116:1112 117:440 118:245 119:589 120:122
121:701 122:891 123:479 124:773 125:1337 128:359
129:220 130:134 131:409 132:72 133:9 134:323
135:34 136:219 137:133 138:144 139:92 140:415
141:109 142:382 143:302 144:320 145:53 146:371
147:142 148:606 149:219 150:138 151:208 152:149
153:131 154:10 155:254 156:168 157:271 158:162
159:299 160:274 161:131 162:255 163:141 164:519
165:501 166:364 167:348 168:676 169:159 170:462
171:38 172:10 173:141 174:18 187:17 188:1
189:354 190:2499 192:5813 193:4176 194:3309 195:2659
196:1055 198:3692 199:3313 200:5544 201:1484 202:7783
203:8081 204:3921 205:2162 206:2325 207:2769 208:3793
209:3503 210:2688 211:1161 212:1561 213:1630 214:67
215:29 216:4530 217:1197 218:376 219:402 220:1239
221:399 222:293
End of report