Routing Table Report 04:00 +10GMT Tue 28 Jul, 2009
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 292423
Prefixes after maximum aggregation: 138368
Deaggregation factor: 2.11
Unique aggregates announced to Internet: 145158
Total ASes present in the Internet Routing Table: 31832
Prefixes per ASN: 9.19
Origin-only ASes present in the Internet Routing Table: 27676
Origin ASes announcing only one prefix: 13502
Transit ASes present in the Internet Routing Table: 4156
Transit-only ASes present in the Internet Routing Table: 101
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: 437
Unregistered ASNs in the Routing Table: 130
Number of 32-bit ASNs allocated by the RIRs: 217
Prefixes from 32-bit ASNs in the Routing Table: 74
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 336
Number of addresses announced to Internet: 2061724480
Equivalent to 122 /8s, 227 /16s and 107 /24s
Percentage of available address space announced: 55.6
Percentage of allocated address space announced: 64.4
Percentage of available address space allocated: 86.4
Percentage of address space in use by end-sites: 78.5
Total number of prefixes smaller than registry allocations: 144849
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 69897
Total APNIC prefixes after maximum aggregation: 24869
APNIC Deaggregation factor: 2.81
Prefixes being announced from the APNIC address blocks: 69311
Unique aggregates announced from the APNIC address blocks: 31645
APNIC Region origin ASes present in the Internet Routing Table: 3721
APNIC Prefixes per ASN: 18.63
APNIC Region origin ASes announcing only one prefix: 1015
APNIC Region transit ASes present in the Internet Routing Table: 580
Average APNIC Region AS path length visible: 3.5
Max APNIC Region AS path length visible: 16
Number of APNIC addresses announced to Internet: 474130624
Equivalent to 28 /8s, 66 /16s and 168 /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: 124329
Total ARIN prefixes after maximum aggregation: 66094
ARIN Deaggregation factor: 1.88
Prefixes being announced from the ARIN address blocks: 125003
Unique aggregates announced from the ARIN address blocks: 52169
ARIN Region origin ASes present in the Internet Routing Table: 13120
ARIN Prefixes per ASN: 9.53
ARIN Region origin ASes announcing only one prefix: 5059
ARIN Region transit ASes present in the Internet Routing Table: 1283
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 24
Number of ARIN addresses announced to Internet: 995176640
Equivalent to 59 /8s, 81 /16s and 48 /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: 66912
Total RIPE prefixes after maximum aggregation: 39599
RIPE Deaggregation factor: 1.69
Prefixes being announced from the RIPE address blocks: 66498
Unique aggregates announced from the RIPE address blocks: 44861
RIPE Region origin ASes present in the Internet Routing Table: 13336
RIPE Prefixes per ASN: 4.99
RIPE Region origin ASes announcing only one prefix: 6976
RIPE Region transit ASes present in the Internet Routing Table: 1990
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 21
Number of RIPE addresses announced to Internet: 497566144
Equivalent to 29 /8s, 168 /16s and 65 /24s
Percentage of available RIPE address space announced: 98.9
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: 24745
Total LACNIC prefixes after maximum aggregation: 6051
LACNIC Deaggregation factor: 4.09
Prefixes being announced from the LACNIC address blocks: 24697
Unique aggregates announced from the LACNIC address blocks: 13693
LACNIC Region origin ASes present in the Internet Routing Table: 1146
LACNIC Prefixes per ASN: 21.55
LACNIC Region origin ASes announcing only one prefix: 367
LACNIC Region transit ASes present in the Internet Routing Table: 192
Average LACNIC Region AS path length visible: 4.0
Max LACNIC Region AS path length visible: 19
Number of LACNIC addresses announced to Internet: 72690880
Equivalent to 4 /8s, 85 /16s and 44 /24s
Percentage of available LACNIC address space announced: 72.2
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: 6158
Total AfriNIC prefixes after maximum aggregation: 1474
AfriNIC Deaggregation factor: 4.18
Prefixes being announced from the AfriNIC address blocks: 6565
Unique aggregates announced from the AfriNIC address blocks: 2515
AfriNIC Region origin ASes present in the Internet Routing Table: 302
AfriNIC Prefixes per ASN: 21.74
AfriNIC Region origin ASes announcing only one prefix: 85
AfriNIC Region transit ASes present in the Internet Routing Table: 62
Average AfriNIC Region AS path length visible: 3.8
Max AfriNIC Region AS path length visible: 15
Number of AfriNIC addresses announced to Internet: 20236032
Equivalent to 1 /8s, 52 /16s and 199 /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 1704 6934 409 Korea Telecom (KIX)
17488 1543 137 103 Hathway IP Over Cable Interne
4755 1223 292 145 TATA Communications formerly
9583 1114 87 548 Sify Limited
4134 972 17321 375 CHINANET-BACKBONE
7545 809 198 101 TPG Internet Pty Ltd
9829 803 615 15 BSNL National Internet Backbo
23577 786 34 667 Korea Telecom (ATM-MPLS)
18101 750 201 32 Reliance Infocom Ltd Internet
24560 732 263 170 Bharti Airtel Ltd., Telemedia
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 4234 3643 322 bellsouth.net, inc.
4323 1895 1050 385 Time Warner Telecom
1785 1714 714 139 PaeTec Communications, Inc.
7018 1513 5907 1048 AT&T WorldNet Services
20115 1425 1462 680 Charter Communications
2386 1271 670 924 AT&T Data Communications Serv
6478 1245 276 306 AT&T Worldnet Services
3356 1194 10961 444 Level 3 Communications, LLC
11492 1128 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 460 1905 395 TDC Tele Danmark
702 430 1861 346 UUNET - Commercial IP service
9198 360 138 12 Kazakhtelecom Data Network Ad
3320 352 7082 305 Deutsche Telekom AG
3301 346 1684 309 TeliaNet Sweden
3215 343 3065 108 France Telecom Transpac
8866 334 109 20 Bulgarian Telecommunication C
29049 307 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 1490 2888 241 UniNet S.A. de C.V.
10620 962 219 111 TVCABLE BOGOTA
28573 650 581 36 NET Servicos de Comunicao S.A
7303 599 316 92 Telecom Argentina Stet-France
22047 543 302 14 VTR PUNTO NET S.A.
11830 488 309 56 Instituto Costarricense de El
11172 443 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 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 905 90 48 LINKdotNET AS number
20858 324 34 5 EgyNet
3741 277 856 237 The Internet Solution
2018 245 215 143 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 135 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 4234 3643 322 bellsouth.net, inc.
4323 1895 1050 385 Time Warner Telecom
1785 1714 714 139 PaeTec Communications, Inc.
4766 1704 6934 409 Korea Telecom (KIX)
17488 1543 137 103 Hathway IP Over Cable Interne
7018 1513 5907 1048 AT&T WorldNet Services
8151 1490 2888 241 UniNet S.A. de C.V.
20115 1425 1462 680 Charter Communications
2386 1271 670 924 AT&T Data Communications Serv
6478 1245 276 306 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 1714 1575 PaeTec Communications, Inc.
4323 1895 1510 Time Warner Telecom
17488 1543 1440 Hathway IP Over Cable Interne
4766 1704 1295 Korea Telecom (KIX)
8151 1490 1249 UniNet S.A. de C.V.
11492 1128 1116 Cable One
4755 1223 1078 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 /14:613 /15:1171 /16:10544 /17:4767 /18:8243
/19:17179 /20:20547 /21:20394 /22:26277 /23:26200 /24:153130
/25:938 /26:1039 /27:571 /28:157 /29:8 /30:7
/31:1 /32:8
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2749 4234 bellsouth.net, inc.
4766 1402 1704 Korea Telecom (KIX)
17488 1290 1543 Hathway IP Over Cable Interne
1785 1184 1714 PaeTec Communications, Inc.
11492 1054 1128 Cable One
18566 1043 1062 Covad Communications
2386 988 1271 AT&T Data Communications Serv
9583 967 1114 Sify Limited
4323 959 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 8:211 12:2141 13:7 15:19 16:3
17:5 20:36 24:1100 32:52 34:2 38:579
40:98 41:1737 43:1 44:2 47:22 52:6
55:2 56:2 57:24 58:596 59:649 60:461
61:1078 62:1107 63:2017 64:3703 65:2402 66:3583
67:1683 68:861 69:2649 70:551 71:153 72:1649
73:2 74:1638 75:175 76:348 77:850 78:583
79:360 80:966 81:853 82:585 83:451 84:631
85:1063 86:371 87:673 88:362 89:1474 90:50
91:2418 92:378 93:1082 94:1070 95:1124 96:155
97:225 98:256 99:27 110:176 111:348 112:113
113:144 114:253 115:339 116:1121 117:537 118:339
119:732 120:147 121:783 122:1057 123:706 124:977
125:1378 128:225 129:232 130:127 131:414 132:73
133:10 134:186 135:40 136:225 137:165 138:167
139:82 140:449 141:122 142:384 143:367 144:361
145:48 146:390 147:155 148:517 149:223 150:207
151:193 152:145 153:147 154:2 155:275 156:167
157:301 158:118 159:343 160:289 161:156 162:275
163:164 164:475 165:521 166:467 167:361 168:706
169:172 170:480 171:42 172:10 173:317 174:259
178:1 186:108 187:147 188:354 189:545 190:2935
192:5785 193:4251 194:3309 195:2693 196:1126 198:3642
199:3369 200:5143 201:1283 202:7732 203:8300 204:3899
205:2160 206:2454 207:2748 208:3904 209:3424 210:2541
211:1122 212:1660 213:1634 214:84 215:29 216:4550
217:1360 218:402 219:447 220:1107 221:476 222:327
End of report