Routing Table Report 04:00 +10GMT Fri 17 Jul, 2009
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 291123
Prefixes after maximum aggregation: 138050
Deaggregation factor: 2.11
Unique aggregates announced to Internet: 144855
Total ASes present in the Internet Routing Table: 31724
Prefixes per ASN: 9.18
Origin-only ASes present in the Internet Routing Table: 27592
Origin ASes announcing only one prefix: 13419
Transit ASes present in the Internet Routing Table: 4132
Transit-only ASes present in the Internet Routing Table: 93
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: 466
Unregistered ASNs in the Routing Table: 128
Number of 32-bit ASNs allocated by the RIRs: 201
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: 2071222016
Equivalent to 123 /8s, 116 /16s and 87 /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: 144277
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 69415
Total APNIC prefixes after maximum aggregation: 24764
APNIC Deaggregation factor: 2.80
Prefixes being announced from the APNIC address blocks: 68838
Unique aggregates announced from the APNIC address blocks: 31531
APNIC Region origin ASes present in the Internet Routing Table: 3702
APNIC Prefixes per ASN: 18.59
APNIC Region origin ASes announcing only one prefix: 1007
APNIC Region transit ASes present in the Internet Routing Table: 571
Average APNIC Region AS path length visible: 3.5
Max APNIC Region AS path length visible: 18
Number of APNIC addresses announced to Internet: 469351872
Equivalent to 27 /8s, 249 /16s and 189 /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: 123864
Total ARIN prefixes after maximum aggregation: 66045
ARIN Deaggregation factor: 1.88
Prefixes being announced from the ARIN address blocks: 124541
Unique aggregates announced from the ARIN address blocks: 52160
ARIN Region origin ASes present in the Internet Routing Table: 13108
ARIN Prefixes per ASN: 9.50
ARIN Region origin ASes announcing only one prefix: 5040
ARIN Region transit ASes present in the Internet Routing Table: 1274
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 39
Number of ARIN addresses announced to Internet: 1010538944
Equivalent to 60 /8s, 59 /16s and 153 /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: 66629
Total RIPE prefixes after maximum aggregation: 39391
RIPE Deaggregation factor: 1.69
Prefixes being announced from the RIPE address blocks: 66244
Unique aggregates announced from the RIPE address blocks: 44708
RIPE Region origin ASes present in the Internet Routing Table: 13266
RIPE Prefixes per ASN: 4.99
RIPE Region origin ASes announcing only one prefix: 6919
RIPE Region transit ASes present in the Internet Routing Table: 1991
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 21
Number of RIPE addresses announced to Internet: 496408256
Equivalent to 29 /8s, 150 /16s and 150 /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: 24620
Total LACNIC prefixes after maximum aggregation: 6032
LACNIC Deaggregation factor: 4.08
Prefixes being announced from the LACNIC address blocks: 24558
Unique aggregates announced from the LACNIC address blocks: 13615
LACNIC Region origin ASes present in the Internet Routing Table: 1142
LACNIC Prefixes per ASN: 21.50
LACNIC Region origin ASes announcing only one prefix: 366
LACNIC Region transit ASes present in the Internet Routing Table: 187
Average LACNIC Region AS path length visible: 4.0
Max LACNIC Region AS path length visible: 19
Number of LACNIC addresses announced to Internet: 72395392
Equivalent to 4 /8s, 80 /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: 6184
Total AfriNIC prefixes after maximum aggregation: 1499
AfriNIC Deaggregation factor: 4.13
Prefixes being announced from the AfriNIC address blocks: 6588
Unique aggregates announced from the AfriNIC address blocks: 2562
AfriNIC Region origin ASes present in the Internet Routing Table: 304
AfriNIC Prefixes per ASN: 21.67
AfriNIC Region origin ASes announcing only one prefix: 87
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: 16
Number of AfriNIC addresses announced to Internet: 20113152
Equivalent to 1 /8s, 50 /16s and 231 /24s
Percentage of available AfriNIC address space announced: 59.9
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 1701 6934 407 Korea Telecom (KIX)
17488 1541 137 103 Hathway IP Over Cable Interne
4755 1219 292 144 TATA Communications formerly
9583 1126 87 559 Sify Limited
4134 991 17292 376 CHINANET-BACKBONE
7545 811 198 102 TPG Internet Pty Ltd
9829 800 611 14 BSNL National Internet Backbo
23577 780 34 664 Korea Telecom (ATM-MPLS)
18101 749 200 31 Reliance Infocom Ltd Internet
24560 728 230 167 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 4256 3643 323 bellsouth.net, inc.
4323 1893 1047 384 Time Warner Telecom
1785 1711 714 139 PaeTec Communications, Inc.
7018 1512 5925 1051 AT&T WorldNet Services
20115 1420 1462 681 Charter Communications
2386 1266 670 918 AT&T Data Communications Serv
6478 1214 274 313 AT&T Worldnet Services
3356 1194 10961 442 Level 3 Communications, LLC
11492 1127 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 483 92 196 Evolva Telecom
12479 474 578 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
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
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 1471 2882 231 UniNet S.A. de C.V.
10620 947 216 110 TVCABLE BOGOTA
28573 612 575 32 NET Servicos de Comunicao S.A
7303 595 315 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 990 188 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
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 4256 3643 323 bellsouth.net, inc.
4323 1893 1047 384 Time Warner Telecom
1785 1711 714 139 PaeTec Communications, Inc.
4766 1701 6934 407 Korea Telecom (KIX)
17488 1541 137 103 Hathway IP Over Cable Interne
7018 1512 5925 1051 AT&T WorldNet Services
8151 1471 2882 231 UniNet S.A. de C.V.
20115 1420 1462 681 Charter Communications
2386 1266 670 918 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 1711 1572 PaeTec Communications, Inc.
4323 1893 1509 Time Warner Telecom
17488 1541 1438 Hathway IP Over Cable Interne
4766 1701 1294 Korea Telecom (KIX)
8151 1471 1240 UniNet S.A. de C.V.
11492 1127 1115 Cable One
4755 1219 1075 TATA Communications formerly
18566 1062 1052 Covad Communications
22773 1076 1010 Cox Communications, Inc.
8452 990 983 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
/13:350 /14:612 /15:1164 /16:10535 /17:4745 /18:8196
/19:17150 /20:20465 /21:20348 /22:26149 /23:26050 /24:152383
/25:928 /26:1034 /27:559 /28:152 /29:8 /30:7
/31:1 /32:8
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2767 4256 bellsouth.net, inc.
4766 1400 1701 Korea Telecom (KIX)
17488 1287 1541 Hathway IP Over Cable Interne
1785 1182 1711 PaeTec Communications, Inc.
11492 1053 1127 Cable One
18566 1043 1062 Covad Communications
2386 984 1266 AT&T Data Communications Serv
9583 979 1126 Sify Limited
4323 961 1893 Time Warner Telecom
8452 912 990 TEDATA
Complete listing at http://thyme.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:14 8:209 12:2140 13:7 15:19 16:3
17:5 20:35 24:1100 32:51 34:2 38:577
40:98 41:1752 43:1 44:2 47:22 52:6
55:2 56:2 57:24 58:596 59:648 60:463
61:1075 62:1105 63:2048 64:3711 65:2401 66:3588
67:1615 68:858 69:2659 70:553 71:152 72:1667
73:2 74:1617 75:171 76:343 77:842 78:560
79:353 80:979 81:839 82:570 83:460 84:623
85:1028 86:370 87:678 88:371 89:1445 90:50
91:2403 92:361 93:1093 94:1224 95:1119 96:151
97:214 98:250 99:26 110:175 111:91 112:109
113:140 114:255 115:317 116:1127 117:537 118:355
119:745 120:156 121:781 122:1054 123:701 124:979
125:1374 128:225 129:232 130:128 131:413 132:74
133:9 134:188 135:40 136:219 137:165 138:168
139:81 140:447 141:121 142:389 143:351 144:365
145:48 146:388 147:154 148:518 149:232 150:182
151:194 152:146 153:147 154:2 155:274 156:167
157:300 158:117 159:344 160:290 161:153 162:274
163:162 164:476 165:505 166:465 167:360 168:654
169:171 170:477 171:41 172:10 173:312 174:239
178:1 186:103 187:119 188:279 189:542 190:2897
192:5785 193:4259 194:3303 195:2698 196:1118 198:3616
199:3365 200:5150 201:1312 202:7709 203:8269 204:3883
205:2153 206:2449 207:2745 208:3877 209:3370 210:2535
211:1119 212:1649 213:1632 214:84 215:29 216:4544
217:1355 218:399 219:443 220:1115 221:486 222:326
End of report