Routing Table Report 04:00 +10GMT Wed 15 Jul, 2009
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 290600
Prefixes after maximum aggregation: 137894
Deaggregation factor: 2.11
Unique aggregates announced to Internet: 144549
Total ASes present in the Internet Routing Table: 31724
Prefixes per ASN: 9.16
Origin-only ASes present in the Internet Routing Table: 27594
Origin ASes announcing only one prefix: 13422
Transit ASes present in the Internet Routing Table: 4130
Transit-only ASes present in the Internet Routing Table: 100
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 39
Max AS path prepend of ASN (22394) 36
Prefixes from unregistered ASNs in the Routing Table: 470
Unregistered ASNs in the Routing Table: 131
Number of 32-bit ASNs allocated by the RIRs: 199
Prefixes from 32-bit ASNs in the Routing Table: 68
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 340
Number of addresses announced to Internet: 2071176960
Equivalent to 123 /8s, 115 /16s and 167 /24s
Percentage of available address space announced: 55.9
Percentage of allocated address space announced: 64.7
Percentage of available address space allocated: 86.4
Percentage of address space in use by end-sites: 78.3
Total number of prefixes smaller than registry allocations: 143965
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 69243
Total APNIC prefixes after maximum aggregation: 24726
APNIC Deaggregation factor: 2.80
Prefixes being announced from the APNIC address blocks: 68667
Unique aggregates announced from the APNIC address blocks: 31373
APNIC Region origin ASes present in the Internet Routing Table: 3697
APNIC Prefixes per ASN: 18.57
APNIC Region origin ASes announcing only one prefix: 1008
APNIC Region transit ASes present in the Internet Routing Table: 565
Average APNIC Region AS path length visible: 3.5
Max APNIC Region AS path length visible: 18
Number of APNIC addresses announced to Internet: 469449664
Equivalent to 27 /8s, 251 /16s and 59 /24s
Percentage of available APNIC address space announced: 87.4
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,
180/8, 183/8, 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: 123610
Total ARIN prefixes after maximum aggregation: 65962
ARIN Deaggregation factor: 1.87
Prefixes being announced from the ARIN address blocks: 124281
Unique aggregates announced from the ARIN address blocks: 52084
ARIN Region origin ASes present in the Internet Routing Table: 13100
ARIN Prefixes per ASN: 9.49
ARIN Region origin ASes announcing only one prefix: 5037
ARIN Region transit ASes present in the Internet Routing Table: 1276
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 39
Number of ARIN addresses announced to Internet: 1010373056
Equivalent to 60 /8s, 57 /16s and 17 /24s
Percentage of available ARIN address space announced: 194.3
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
53248-55295
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: 66598
Total RIPE prefixes after maximum aggregation: 39373
RIPE Deaggregation factor: 1.69
Prefixes being announced from the RIPE address blocks: 66232
Unique aggregates announced from the RIPE address blocks: 44712
RIPE Region origin ASes present in the Internet Routing Table: 13269
RIPE Prefixes per ASN: 4.99
RIPE Region origin ASes announcing only one prefix: 6918
RIPE Region transit ASes present in the Internet Routing Table: 1987
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 22
Number of RIPE addresses announced to Internet: 496418496
Equivalent to 29 /8s, 150 /16s and 190 /24s
Percentage of available RIPE address space announced: 105.7
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, 47104-52223
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: 24565
Total LACNIC prefixes after maximum aggregation: 6019
LACNIC Deaggregation factor: 4.08
Prefixes being announced from the LACNIC address blocks: 24498
Unique aggregates announced from the LACNIC address blocks: 13556
LACNIC Region origin ASes present in the Internet Routing Table: 1141
LACNIC Prefixes per ASN: 21.47
LACNIC Region origin ASes announcing only one prefix: 369
LACNIC Region transit ASes present in the Internet Routing Table: 189
Average LACNIC Region AS path length visible: 4.0
Max LACNIC Region AS path length visible: 19
Number of LACNIC addresses announced to Internet: 72329856
Equivalent to 4 /8s, 79 /16s and 170 /24s
Percentage of available LACNIC address space announced: 71.9
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247
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: 6169
Total AfriNIC prefixes after maximum aggregation: 1494
AfriNIC Deaggregation factor: 4.13
Prefixes being announced from the AfriNIC address blocks: 6568
Unique aggregates announced from the AfriNIC address blocks: 2549
AfriNIC Region origin ASes present in the Internet Routing Table: 307
AfriNIC Prefixes per ASN: 21.39
AfriNIC Region origin ASes announcing only one prefix: 90
AfriNIC Region transit ASes present in the Internet Routing Table: 66
Average AfriNIC Region AS path length visible: 3.8
Max AfriNIC Region AS path length visible: 15
Number of AfriNIC addresses announced to Internet: 20232704
Equivalent to 1 /8s, 52 /16s and 186 /24s
Percentage of available AfriNIC address space announced: 60.3
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 1712 6934 405 Korea Telecom (KIX)
17488 1541 138 95 Hathway IP Over Cable Interne
4755 1216 292 144 TATA Communications formerly
9583 1124 87 560 Sify Limited
4134 979 17164 376 CHINANET-BACKBONE
7545 807 198 98 TPG Internet Pty Ltd
9829 800 611 14 BSNL National Internet Backbo
23577 782 34 665 Korea Telecom (ATM-MPLS)
18101 750 200 32 Reliance Infocom Ltd Internet
24560 727 230 168 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 4263 3643 323 bellsouth.net, inc.
4323 1888 1047 384 Time Warner Telecom
1785 1711 714 139 PaeTec Communications, Inc.
7018 1507 5909 1049 AT&T WorldNet Services
20115 1419 1462 680 Charter Communications
2386 1266 670 921 AT&T Data Communications Serv
6478 1212 274 318 AT&T Worldnet Services
3356 1195 10961 443 Level 3 Communications, LLC
11492 1128 208 12 Cable One
22773 1076 2604 66 Cox Communications, Inc.
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
30890 484 92 197 Evolva Telecom
12479 472 578 6 Uni2 Autonomous System
3292 455 1902 391 TDC Tele Danmark
702 429 1861 345 UUNET - Commercial IP service
35805 356 40 5 United Telecom of Georgia
3301 348 1684 310 TeliaNet Sweden
3320 348 7067 301 Deutsche Telekom AG
3215 343 3065 108 France Telecom Transpac
8866 332 109 20 Bulgarian Telecommunication C
29049 308 26 3 AzerSat LLC.
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 1468 2882 234 UniNet S.A. de C.V.
10620 923 211 104 TVCABLE BOGOTA
28573 612 575 32 NET Servicos de Comunicao S.A
7303 589 312 93 Telecom Argentina Stet-France
22047 543 302 14 VTR PUNTO NET S.A.
11830 488 309 56 Instituto Costarricense de El
11172 441 99 69 Servicios Alestra S.A de C.V
6471 434 96 31 ENTEL CHILE S.A.
7738 410 858 29 Telecomunicacoes da Bahia S.A
3816 381 188 78 Empresa Nacional de Telecomun
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
8452 1000 188 7 TEDATA
24863 903 90 48 LINKdotNET AS number
20858 323 34 5 EgyNet
3741 276 856 236 The Internet Solution
2018 243 215 143 Tertiary Education Network
6713 176 166 16 Itissalat Al-MAGHRIB
33783 152 10 8 EEPAD TISP TELECOM & INTERNET
29571 140 15 8 Ci Telecom Autonomous system
5536 123 8 9 Internet Egypt Network
33776 121 7 11 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 4263 3643 323 bellsouth.net, inc.
4323 1888 1047 384 Time Warner Telecom
4766 1712 6934 405 Korea Telecom (KIX)
1785 1711 714 139 PaeTec Communications, Inc.
17488 1541 138 95 Hathway IP Over Cable Interne
7018 1507 5909 1049 AT&T WorldNet Services
8151 1468 2882 234 UniNet S.A. de C.V.
20115 1419 1462 680 Charter Communications
2386 1266 670 921 AT&T Data Communications Serv
4755 1216 292 144 TATA Communications formerly
Complete listing at http://thyme.apnic.net/current/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
1785 1711 1572 PaeTec Communications, Inc.
4323 1888 1504 Time Warner Telecom
17488 1541 1446 Hathway IP Over Cable Interne
4766 1712 1307 Korea Telecom (KIX)
8151 1468 1234 UniNet S.A. de C.V.
11492 1128 1116 Cable One
4755 1216 1072 TATA Communications formerly
18566 1062 1052 Covad Communications
22773 1076 1010 Cox Communications, Inc.
8452 1000 993 TEDATA
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
41.223.92.0/22 36936 >>UNKNOWN<<
41.223.112.0/22 5713 Telkom SA Ltd
41.223.176.0/22 36981 >>UNKNOWN<<
41.223.188.0/24 22351 Intelsat
41.223.189.0/24 26452 Local Communications Networks
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
64.31.32.0/19 11955 ServiceCo LLC - Road Runner
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 /10:23 /11:58 /12:169
/13:351 /14:613 /15:1165 /16:10532 /17:4743 /18:8217
/19:17122 /20:20440 /21:20297 /22:26105 /23:25988 /24:152060
/25:931 /26:1028 /27:558 /28:147 /29:8 /30:7
/31:1 /32:8
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2774 4263 bellsouth.net, inc.
4766 1411 1712 Korea Telecom (KIX)
17488 1287 1541 Hathway IP Over Cable Interne
1785 1182 1711 PaeTec Communications, Inc.
11492 1054 1128 Cable One
18566 1043 1062 Covad Communications
2386 984 1266 AT&T Data Communications Serv
9583 977 1124 Sify Limited
4323 959 1888 Time Warner Telecom
8452 924 1000 TEDATA
Complete listing at http://thyme.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:14 8:209 12:2137 13:7 15:19 16:3
17:5 20:35 24:1099 32:51 34:2 38:579
40:98 41:1765 43:1 44:2 47:22 52:5
55:2 56:2 57:24 58:590 59:652 60:464
61:1074 62:1115 63:2044 64:3712 65:2403 66:3586
67:1611 68:839 69:2648 70:554 71:152 72:1669
73:2 74:1620 75:171 76:343 77:838 78:561
79:354 80:978 81:839 82:569 83:458 84:622
85:1028 86:370 87:676 88:370 89:1441 90:50
91:2393 92:360 93:1100 94:1231 95:1119 96:151
97:213 98:248 99:26 110:175 111:88 112:111
113:138 114:251 115:315 116:1119 117:538 118:355
119:744 120:154 121:779 122:1053 123:696 124:971
125:1375 128:225 129:232 130:128 131:414 132:73
133:9 134:188 135:40 136:213 137:165 138:168
139:79 140:449 141:121 142:388 143:350 144:364
145:48 146:387 147:154 148:517 149:232 150:179
151:194 152:146 153:147 154:2 155:273 156:164
157:300 158:117 159:343 160:289 161:153 162:274
163:162 164:476 165:505 166:464 167:359 168:654
169:173 170:476 171:41 172:10 173:310 174:237
178:1 186:96 187:102 188:265 189:521 190:2907
192:5782 193:4259 194:3308 195:2691 196:1102 198:3608
199:3313 200:5157 201:1313 202:7710 203:8250 204:3822
205:2154 206:2446 207:2744 208:3875 209:3367 210:2538
211:1118 212:1649 213:1635 214:83 215:29 216:4536
217:1348 218:399 219:442 220:1105 221:480 222:326
End of report