Routing Table Report 04:00 +10GMT Thu 23 Jul, 2009
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 292015
Prefixes after maximum aggregation: 138287
Deaggregation factor: 2.11
Unique aggregates announced to Internet: 145092
Total ASes present in the Internet Routing Table: 31818
Prefixes per ASN: 9.18
Origin-only ASes present in the Internet Routing Table: 27655
Origin ASes announcing only one prefix: 13493
Transit ASes present in the Internet Routing Table: 4163
Transit-only ASes present in the Internet Routing Table: 104
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 24
Max AS path prepend of ASN (12026) 22
Prefixes from unregistered ASNs in the Routing Table: 432
Unregistered ASNs in the Routing Table: 128
Number of 32-bit ASNs allocated by the RIRs: 208
Prefixes from 32-bit ASNs in the Routing Table: 73
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 341
Number of addresses announced to Internet: 2060818432
Equivalent to 122 /8s, 213 /16s and 152 /24s
Percentage of available address space announced: 55.6
Percentage of allocated address space announced: 64.3
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: 144655
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 69707
Total APNIC prefixes after maximum aggregation: 24793
APNIC Deaggregation factor: 2.81
Prefixes being announced from the APNIC address blocks: 69132
Unique aggregates announced from the APNIC address blocks: 31524
APNIC Region origin ASes present in the Internet Routing Table: 3709
APNIC Prefixes per ASN: 18.64
APNIC Region origin ASes announcing only one prefix: 1010
APNIC Region transit ASes present in the Internet Routing Table: 578
Average APNIC Region AS path length visible: 3.5
Max APNIC Region AS path length visible: 16
Number of APNIC addresses announced to Internet: 473929152
Equivalent to 28 /8s, 63 /16s and 149 /24s
Percentage of available APNIC address space announced: 88.3
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: 124149
Total ARIN prefixes after maximum aggregation: 66108
ARIN Deaggregation factor: 1.88
Prefixes being announced from the ARIN address blocks: 124802
Unique aggregates announced from the ARIN address blocks: 52273
ARIN Region origin ASes present in the Internet Routing Table: 13124
ARIN Prefixes per ASN: 9.51
ARIN Region origin ASes announcing only one prefix: 5061
ARIN Region transit ASes present in the Internet Routing Table: 1284
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 24
Number of ARIN addresses announced to Internet: 994881216
Equivalent to 59 /8s, 76 /16s and 174 /24s
Percentage of available ARIN address space announced: 191.3
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: 66933
Total RIPE prefixes after maximum aggregation: 39537
RIPE Deaggregation factor: 1.69
Prefixes being announced from the RIPE address blocks: 66522
Unique aggregates announced from the RIPE address blocks: 44828
RIPE Region origin ASes present in the Internet Routing Table: 13324
RIPE Prefixes per ASN: 4.99
RIPE Region origin ASes announcing only one prefix: 6968
RIPE Region transit ASes present in the Internet Routing Table: 1999
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 21
Number of RIPE addresses announced to Internet: 497453760
Equivalent to 29 /8s, 166 /16s and 138 /24s
Percentage of available RIPE address space announced: 98.8
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 25/8, 51/8, 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: 24620
Total LACNIC prefixes after maximum aggregation: 6063
LACNIC Deaggregation factor: 4.06
Prefixes being announced from the LACNIC address blocks: 24569
Unique aggregates announced from the LACNIC address blocks: 13646
LACNIC Region origin ASes present in the Internet Routing Table: 1146
LACNIC Prefixes per ASN: 21.44
LACNIC Region origin ASes announcing only one prefix: 366
LACNIC Region transit ASes present in the Internet Routing Table: 193
Average LACNIC Region AS path length visible: 4.0
Max LACNIC Region AS path length visible: 19
Number of LACNIC addresses announced to Internet: 72517504
Equivalent to 4 /8s, 82 /16s and 135 /24s
Percentage of available LACNIC address space announced: 72.0
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: 6229
Total AfriNIC prefixes after maximum aggregation: 1506
AfriNIC Deaggregation factor: 4.14
Prefixes being announced from the AfriNIC address blocks: 6636
Unique aggregates announced from the AfriNIC address blocks: 2543
AfriNIC Region origin ASes present in the Internet Routing Table: 305
AfriNIC Prefixes per ASN: 21.76
AfriNIC Region origin ASes announcing only one prefix: 88
AfriNIC Region transit ASes present in the Internet Routing Table: 64
Average AfriNIC Region AS path length visible: 3.8
Max AfriNIC Region AS path length visible: 15
Number of AfriNIC addresses announced to Internet: 20254976
Equivalent to 1 /8s, 53 /16s and 17 /24s
Percentage of available AfriNIC address space announced: 60.4
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 1705 6934 410 Korea Telecom (KIX)
17488 1543 137 103 Hathway IP Over Cable Interne
4755 1218 292 143 TATA Communications formerly
9583 1110 86 548 Sify Limited
4134 991 17337 375 CHINANET-BACKBONE
7545 815 198 102 TPG Internet Pty Ltd
9829 800 611 14 BSNL National Internet Backbo
23577 786 34 667 Korea Telecom (ATM-MPLS)
18101 747 201 32 Reliance Infocom Ltd Internet
24560 731 247 170 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 4240 3643 324 bellsouth.net, inc.
4323 1895 1040 384 Time Warner Telecom
1785 1712 714 139 PaeTec Communications, Inc.
7018 1511 5909 1047 AT&T WorldNet Services
20115 1423 1461 678 Charter Communications
2386 1271 671 922 AT&T Data Communications Serv
6478 1222 275 314 AT&T Worldnet Services
3356 1193 10960 443 Level 3 Communications, LLC
11492 1127 208 12 Cable One
22773 1077 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 483 92 195 Evolva Telecom
12479 475 578 6 Uni2 Autonomous System
3292 459 1903 393 TDC Tele Danmark
702 430 1861 346 UUNET - Commercial IP service
9198 360 138 12 Kazakhtelecom Data Network Ad
3320 353 7083 306 Deutsche Telekom AG
3301 348 1684 310 TeliaNet Sweden
3215 343 3065 108 France Telecom Transpac
8866 333 109 20 Bulgarian Telecommunication C
35805 324 40 5 United Telecom of Georgia
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 1490 2888 242 UniNet S.A. de C.V.
10620 938 218 114 TVCABLE BOGOTA
28573 614 575 32 NET Servicos de Comunicao S.A
7303 597 315 92 Telecom Argentina Stet-France
22047 543 302 14 VTR PUNTO NET S.A.
11830 488 309 56 Instituto Costarricense de El
11172 442 99 70 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 382 188 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 1027 188 7 TEDATA
24863 904 90 48 LINKdotNET AS number
20858 323 34 5 EgyNet
3741 277 856 237 The Internet Solution
2018 243 215 143 Tertiary Education Network
6713 175 166 16 Itissalat Al-MAGHRIB
33783 152 10 8 EEPAD TISP TELECOM & INTERNET
29571 140 15 8 Ci Telecom Autonomous system
24835 129 46 9 RAYA Telecom - Egypt
5536 123 8 9 Internet Egypt Network
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 4240 3643 324 bellsouth.net, inc.
4323 1895 1040 384 Time Warner Telecom
1785 1712 714 139 PaeTec Communications, Inc.
4766 1705 6934 410 Korea Telecom (KIX)
17488 1543 137 103 Hathway IP Over Cable Interne
7018 1511 5909 1047 AT&T WorldNet Services
8151 1490 2888 242 UniNet S.A. de C.V.
20115 1423 1461 678 Charter Communications
2386 1271 671 922 AT&T Data Communications Serv
6478 1222 275 314 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
1785 1712 1573 PaeTec Communications, Inc.
4323 1895 1511 Time Warner Telecom
17488 1543 1440 Hathway IP Over Cable Interne
4766 1705 1295 Korea Telecom (KIX)
8151 1490 1248 UniNet S.A. de C.V.
11492 1127 1115 Cable One
4755 1218 1075 TATA Communications formerly
18566 1062 1052 Covad Communications
8452 1027 1020 TEDATA
22773 1077 1011 Cox Communications, Inc.
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 /8:18 /9:10 /10:24 /11:58 /12:169
/13:350 /14:612 /15:1168 /16:10534 /17:4768 /18:8239
/19:17189 /20:20539 /21:20385 /22:26205 /23:26123 /24:152914
/25:936 /26:1023 /27:569 /28:158 /29:8 /30:7
/31:1 /32:8
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2751 4240 bellsouth.net, inc.
4766 1403 1705 Korea Telecom (KIX)
17488 1290 1543 Hathway IP Over Cable Interne
1785 1182 1712 PaeTec Communications, Inc.
11492 1053 1127 Cable One
18566 1043 1062 Covad Communications
2386 989 1271 AT&T Data Communications Serv
9583 963 1110 Sify Limited
4323 962 1895 Time Warner Telecom
8452 949 1027 TEDATA
Complete listing at http://thyme.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:14 8:210 12:2145 13:7 15:19 16:3
17:5 20:35 24:1100 32:52 34:2 38:578
40:98 41:1786 43:1 44:2 47:22 52:6
55:2 56:2 57:24 58:593 59:649 60:461
61:1076 62:1107 63:2042 64:3705 65:2403 66:3586
67:1671 68:860 69:2655 70:552 71:153 72:1652
73:2 74:1630 75:173 76:348 77:848 78:582
79:358 80:975 81:836 82:586 83:451 84:626
85:1063 86:371 87:677 88:358 89:1467 90:50
91:2417 92:375 93:1065 94:1130 95:1122 96:153
97:224 98:250 99:26 110:177 111:281 112:111
113:143 114:254 115:321 116:1130 117:535 118:350
119:730 120:147 121:782 122:1061 123:702 124:972
125:1377 128:225 129:232 130:128 131:413 132:73
133:9 134:187 135:39 136:224 137:164 138:169
139:82 140:445 141:121 142:383 143:353 144:365
145:48 146:387 147:155 148:516 149:230 150:174
151:193 152:145 153:147 154:2 155:274 156:167
157:300 158:118 159:344 160:289 161:153 162:274
163:163 164:476 165:515 166:465 167:361 168:660
169:171 170:477 171:41 172:10 173:311 174:241
178:1 186:104 187:146 188:347 189:545 190:2912
192:5783 193:4268 194:3311 195:2706 196:1124 198:3651
199:3364 200:5119 201:1279 202:7691 203:8315 204:3883
205:2162 206:2451 207:2746 208:3892 209:3436 210:2536
211:1122 212:1662 213:1647 214:82 215:29 216:4553
217:1357 218:403 219:444 220:1108 221:475 222:327
End of report