Routing Table Report 04:00 +10GMT Sun 26 Jul, 2009
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 292256
Prefixes after maximum aggregation: 138291
Deaggregation factor: 2.11
Unique aggregates announced to Internet: 145314
Total ASes present in the Internet Routing Table: 31802
Prefixes per ASN: 9.19
Origin-only ASes present in the Internet Routing Table: 27651
Origin ASes announcing only one prefix: 13479
Transit ASes present in the Internet Routing Table: 4151
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: 39
Max AS path prepend of ASN (22394) 36
Prefixes from unregistered ASNs in the Routing Table: 438
Unregistered ASNs in the Routing Table: 129
Number of 32-bit ASNs allocated by the RIRs: 214
Prefixes from 32-bit ASNs in the Routing Table: 76
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 337
Number of addresses announced to Internet: 2061360704
Equivalent to 122 /8s, 221 /16s and 222 /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: 78.4
Total number of prefixes smaller than registry allocations: 144760
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 69841
Total APNIC prefixes after maximum aggregation: 24855
APNIC Deaggregation factor: 2.81
Prefixes being announced from the APNIC address blocks: 69276
Unique aggregates announced from the APNIC address blocks: 31642
APNIC Region origin ASes present in the Internet Routing Table: 3713
APNIC Prefixes per ASN: 18.66
APNIC Region origin ASes announcing only one prefix: 1010
APNIC Region transit ASes present in the Internet Routing Table: 576
Average APNIC Region AS path length visible: 3.5
Max APNIC Region AS path length visible: 16
Number of APNIC addresses announced to Internet: 473947072
Equivalent to 28 /8s, 63 /16s and 219 /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: 124286
Total ARIN prefixes after maximum aggregation: 66069
ARIN Deaggregation factor: 1.88
Prefixes being announced from the ARIN address blocks: 124945
Unique aggregates announced from the ARIN address blocks: 52352
ARIN Region origin ASes present in the Internet Routing Table: 13115
ARIN Prefixes per ASN: 9.53
ARIN Region origin ASes announcing only one prefix: 5058
ARIN Region transit ASes present in the Internet Routing Table: 1287
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 39
Number of ARIN addresses announced to Internet: 995032256
Equivalent to 59 /8s, 78 /16s and 252 /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: 66894
Total RIPE prefixes after maximum aggregation: 39547
RIPE Deaggregation factor: 1.69
Prefixes being announced from the RIPE address blocks: 66480
Unique aggregates announced from the RIPE address blocks: 44859
RIPE Region origin ASes present in the Internet Routing Table: 13318
RIPE Prefixes per ASN: 4.99
RIPE Region origin ASes announcing only one prefix: 6959
RIPE Region transit ASes present in the Internet Routing Table: 1985
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 21
Number of RIPE addresses announced to Internet: 497617856
Equivalent to 29 /8s, 169 /16s and 11 /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: 24705
Total LACNIC prefixes after maximum aggregation: 6061
LACNIC Deaggregation factor: 4.08
Prefixes being announced from the LACNIC address blocks: 24655
Unique aggregates announced from the LACNIC address blocks: 13674
LACNIC Region origin ASes present in the Internet Routing Table: 1146
LACNIC Prefixes per ASN: 21.51
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: 72660928
Equivalent to 4 /8s, 84 /16s and 183 /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: 6146
Total AfriNIC prefixes after maximum aggregation: 1477
AfriNIC Deaggregation factor: 4.16
Prefixes being announced from the AfriNIC address blocks: 6550
Unique aggregates announced from the AfriNIC address blocks: 2511
AfriNIC Region origin ASes present in the Internet Routing Table: 304
AfriNIC Prefixes per ASN: 21.55
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: 15
Number of AfriNIC addresses announced to Internet: 20145664
Equivalent to 1 /8s, 51 /16s and 102 /24s
Percentage of available AfriNIC address space announced: 60.0
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 1703 6934 408 Korea Telecom (KIX)
17488 1543 137 103 Hathway IP Over Cable Interne
4755 1220 292 145 TATA Communications formerly
9583 1112 86 547 Sify Limited
4134 972 17321 375 CHINANET-BACKBONE
7545 812 198 101 TPG Internet Pty Ltd
9829 798 614 18 BSNL National Internet Backbo
23577 786 34 667 Korea Telecom (ATM-MPLS)
18101 750 201 32 Reliance Infocom Ltd Internet
24560 731 247 170 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 4237 3643 324 bellsouth.net, inc.
4323 1898 1050 385 Time Warner Telecom
1785 1713 714 139 PaeTec Communications, Inc.
7018 1510 5891 1044 AT&T WorldNet Services
20115 1425 1462 680 Charter Communications
2386 1271 670 923 AT&T Data Communications Serv
6478 1242 275 315 AT&T Worldnet Services
3356 1193 10960 443 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 474 578 6 Uni2 Autonomous System
3292 459 1903 394 TDC Tele Danmark
702 429 1861 345 UUNET - Commercial IP service
9198 360 138 12 Kazakhtelecom Data Network Ad
3320 352 7082 305 Deutsche Telekom AG
3301 349 1684 311 TeliaNet Sweden
3215 343 3065 108 France Telecom Transpac
8866 333 109 20 Bulgarian Telecommunication C
8551 306 290 38 Bezeq International
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 240 UniNet S.A. de C.V.
10620 939 219 111 TVCABLE BOGOTA
28573 652 581 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 323 34 5 EgyNet
3741 277 856 237 The Internet Solution
2018 244 215 143 Tertiary Education Network
6713 175 166 16 Itissalat Al-MAGHRIB
33783 152 10 8 EEPAD TISP TELECOM & INTERNET
29571 139 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 4237 3643 324 bellsouth.net, inc.
4323 1898 1050 385 Time Warner Telecom
1785 1713 714 139 PaeTec Communications, Inc.
4766 1703 6934 408 Korea Telecom (KIX)
17488 1543 137 103 Hathway IP Over Cable Interne
7018 1510 5891 1044 AT&T WorldNet Services
8151 1490 2888 240 UniNet S.A. de C.V.
20115 1425 1462 680 Charter Communications
2386 1271 670 923 AT&T Data Communications Serv
6478 1242 275 315 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 1713 1574 PaeTec Communications, Inc.
4323 1898 1513 Time Warner Telecom
17488 1543 1440 Hathway IP Over Cable Interne
4766 1703 1295 Korea Telecom (KIX)
8151 1490 1250 UniNet S.A. de C.V.
11492 1128 1116 Cable One
4755 1220 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 /14:613 /15:1170 /16:10541 /17:4766 /18:8238
/19:17173 /20:20544 /21:20397 /22:26250 /23:26178 /24:153033
/25:930 /26:1042 /27:569 /28:159 /29:8 /30:7
/31:1 /32:8
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2752 4237 bellsouth.net, inc.
4766 1402 1703 Korea Telecom (KIX)
17488 1290 1543 Hathway IP Over Cable Interne
1785 1183 1713 PaeTec Communications, Inc.
11492 1054 1128 Cable One
18566 1043 1062 Covad Communications
2386 988 1271 AT&T Data Communications Serv
9583 965 1112 Sify Limited
4323 963 1898 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 12:2141 13:7 15:19 16:3
17:5 20:36 24:1100 32:52 34:2 38:579
40:98 41:1751 43:1 44:2 47:22 52:6
55:2 56:2 57:24 58:595 59:646 60:461
61:1077 62:1106 63:2020 64:3705 65:2400 66:3582
67:1678 68:861 69:2651 70:552 71:154 72:1652
73:2 74:1637 75:175 76:348 77:849 78:583
79:359 80:974 81:840 82:586 83:451 84:629
85:1063 86:371 87:672 88:363 89:1461 90:50
91:2414 92:377 93:1073 94:1069 95:1122 96:155
97:225 98:250 99:27 110:176 111:349 112:112
113:142 114:253 115:335 116:1123 117:532 118:355
119:736 120:146 121:783 122:1059 123:705 124:975
125:1373 128:225 129:232 130:127 131:413 132:74
133:9 134:186 135:40 136:225 137:165 138:167
139:82 140:448 141:121 142:383 143:350 144:361
145:48 146:386 147:155 148:519 149:223 150:207
151:193 152:145 153:147 154:2 155:274 156:167
157:301 158:118 159:344 160:289 161:156 162:275
163:164 164:475 165:521 166:467 167:361 168:708
169:171 170:480 171:41 172:10 173:315 174:258
178:1 186:106 187:147 188:354 189:548 190:2922
192:5785 193:4255 194:3306 195:2691 196:1122 198:3641
199:3367 200:5110 201:1283 202:7723 203:8325 204:3897
205:2156 206:2451 207:2749 208:3898 209:3437 210:2531
211:1123 212:1654 213:1642 214:83 215:29 216:4549
217:1366 218:402 219:449 220:1105 221:475 222:328
End of report