Routing Table Report 04:00 +10GMT Wed 22 Jul, 2009
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 291795
Prefixes after maximum aggregation: 138256
Deaggregation factor: 2.11
Unique aggregates announced to Internet: 145041
Total ASes present in the Internet Routing Table: 31813
Prefixes per ASN: 9.17
Origin-only ASes present in the Internet Routing Table: 27656
Origin ASes announcing only one prefix: 13485
Transit ASes present in the Internet Routing Table: 4157
Transit-only ASes present in the Internet Routing Table: 99
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: 428
Unregistered ASNs in the Routing Table: 127
Number of 32-bit ASNs allocated by the RIRs: 207
Prefixes from 32-bit ASNs in the Routing Table: 70
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 334
Number of addresses announced to Internet: 2076377856
Equivalent to 123 /8s, 195 /16s and 3 /24s
Percentage of available address space announced: 56.0
Percentage of allocated address space announced: 64.8
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: 144581
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 69660
Total APNIC prefixes after maximum aggregation: 24812
APNIC Deaggregation factor: 2.81
Prefixes being announced from the APNIC address blocks: 69080
Unique aggregates announced from the APNIC address blocks: 31551
APNIC Region origin ASes present in the Internet Routing Table: 3710
APNIC Prefixes per ASN: 18.62
APNIC Region origin ASes announcing only one prefix: 1008
APNIC Region transit ASes present in the Internet Routing Table: 574
Average APNIC Region AS path length visible: 3.5
Max APNIC Region AS path length visible: 16
Number of APNIC addresses announced to Internet: 473820096
Equivalent to 28 /8s, 61 /16s and 235 /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: 124073
Total ARIN prefixes after maximum aggregation: 66111
ARIN Deaggregation factor: 1.88
Prefixes being announced from the ARIN address blocks: 124730
Unique aggregates announced from the ARIN address blocks: 52236
ARIN Region origin ASes present in the Internet Routing Table: 13124
ARIN Prefixes per ASN: 9.50
ARIN Region origin ASes announcing only one prefix: 5059
ARIN Region transit ASes present in the Internet Routing Table: 1282
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 39
Number of ARIN addresses announced to Internet: 1010454720
Equivalent to 60 /8s, 58 /16s and 80 /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: 66874
Total RIPE prefixes after maximum aggregation: 39501
RIPE Deaggregation factor: 1.69
Prefixes being announced from the RIPE address blocks: 66471
Unique aggregates announced from the RIPE address blocks: 44779
RIPE Region origin ASes present in the Internet Routing Table: 13321
RIPE Prefixes per ASN: 4.99
RIPE Region origin ASes announcing only one prefix: 6961
RIPE Region transit ASes present in the Internet Routing Table: 1998
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 21
Number of RIPE addresses announced to Internet: 497034688
Equivalent to 29 /8s, 160 /16s and 37 /24s
Percentage of available RIPE address space announced: 105.8
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 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: 24593
Total LACNIC prefixes after maximum aggregation: 6039
LACNIC Deaggregation factor: 4.07
Prefixes being announced from the LACNIC address blocks: 24542
Unique aggregates announced from the LACNIC address blocks: 13644
LACNIC Region origin ASes present in the Internet Routing Table: 1144
LACNIC Prefixes per ASN: 21.45
LACNIC Region origin ASes announcing only one prefix: 365
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: 72504192
Equivalent to 4 /8s, 82 /16s and 83 /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: 6222
Total AfriNIC prefixes after maximum aggregation: 1514
AfriNIC Deaggregation factor: 4.11
Prefixes being announced from the AfriNIC address blocks: 6624
Unique aggregates announced from the AfriNIC address blocks: 2557
AfriNIC Region origin ASes present in the Internet Routing Table: 309
AfriNIC Prefixes per ASN: 21.44
AfriNIC Region origin ASes announcing only one prefix: 92
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: 16
Number of AfriNIC addresses announced to Internet: 20257536
Equivalent to 1 /8s, 53 /16s and 27 /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 1704 6934 409 Korea Telecom (KIX)
17488 1543 137 103 Hathway IP Over Cable Interne
4755 1219 292 144 TATA Communications formerly
9583 1128 87 560 Sify Limited
4134 990 17321 375 CHINANET-BACKBONE
7545 817 199 101 TPG Internet Pty Ltd
9829 800 611 14 BSNL National Internet Backbo
23577 785 34 666 Korea Telecom (ATM-MPLS)
18101 749 201 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 4242 3643 325 bellsouth.net, inc.
4323 1892 1040 384 Time Warner Telecom
1785 1712 714 139 PaeTec Communications, Inc.
7018 1510 5909 1046 AT&T WorldNet Services
20115 1424 1462 679 Charter Communications
2386 1266 670 917 AT&T Data Communications Serv
6478 1219 275 313 AT&T Worldnet Services
3356 1190 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 455 1902 391 TDC Tele Danmark
702 429 1861 345 UUNET - Commercial IP service
9198 358 138 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 322 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 1476 2883 233 UniNet S.A. de C.V.
10620 929 216 111 TVCABLE BOGOTA
28573 614 575 32 NET Servicos de Comunicao S.A
7303 571 314 80 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 903 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
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 4242 3643 325 bellsouth.net, inc.
4323 1892 1040 384 Time Warner Telecom
1785 1712 714 139 PaeTec Communications, Inc.
4766 1704 6934 409 Korea Telecom (KIX)
17488 1543 137 103 Hathway IP Over Cable Interne
7018 1510 5909 1046 AT&T WorldNet Services
8151 1476 2883 233 UniNet S.A. de C.V.
20115 1424 1462 679 Charter Communications
2386 1266 670 917 AT&T Data Communications Serv
4755 1219 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 1712 1573 PaeTec Communications, Inc.
4323 1892 1508 Time Warner Telecom
17488 1543 1440 Hathway IP Over Cable Interne
4766 1704 1295 Korea Telecom (KIX)
8151 1476 1243 UniNet S.A. de C.V.
11492 1127 1115 Cable One
4755 1219 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 /8:19 /9:10 /10:24 /11:58 /12:169
/13:350 /14:612 /15:1166 /16:10535 /17:4757 /18:8227
/19:17173 /20:20523 /21:20388 /22:26175 /23:26118 /24:152812
/25:919 /26:1026 /27:557 /28:153 /29:8 /30:7
/31:1 /32:8
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2753 4242 bellsouth.net, inc.
4766 1403 1704 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 984 1266 AT&T Data Communications Serv
9583 981 1128 Sify Limited
4323 960 1892 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 12:2143 13:7 15:19 16:3
17:5 20:35 24:1101 32:51 34:2 38:578
40:98 41:1784 43:1 44:2 47:22 52:6
55:2 56:2 57:24 58:594 59:649 60:461
61:1076 62:1107 63:2044 64:3704 65:2403 66:3582
67:1668 68:858 69:2665 70:552 71:153 72:1673
73:2 74:1624 75:173 76:348 77:848 78:560
79:359 80:978 81:839 82:586 83:451 84:624
85:1059 86:371 87:680 88:359 89:1466 90:50
91:2412 92:375 93:1071 94:1131 95:1120 96:152
97:217 98:250 99:26 110:178 111:274 112:110
113:144 114:254 115:321 116:1129 117:540 118:353
119:712 120:147 121:781 122:1057 123:700 124:985
125:1375 128:225 129:232 130:128 131:414 132:74
133:9 134:187 135:39 136:219 137:164 138:169
139:82 140:446 141:121 142:384 143:354 144:367
145:48 146:387 147:155 148:516 149:230 150:175
151:193 152:145 153:147 154:2 155:274 156:167
157:300 158:118 159:345 160:289 161:153 162:275
163:162 164:476 165:515 166:465 167:362 168:659
169:171 170:469 171:41 172:10 173:313 174:241
178:1 186:105 187:143 188:343 189:536 190:2912
192:5782 193:4270 194:3315 195:2708 196:1124 198:3617
199:3364 200:5133 201:1279 202:7694 203:8285 204:3866
205:2157 206:2451 207:2742 208:3893 209:3437 210:2540
211:1122 212:1664 213:1641 214:83 215:29 216:4545
217:1362 218:401 219:450 220:1107 221:479 222:326
End of report