Routing Table Report 04:00 +10GMT Fri 24 Jul, 2009
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 292213
Prefixes after maximum aggregation: 138319
Deaggregation factor: 2.11
Unique aggregates announced to Internet: 145207
Total ASes present in the Internet Routing Table: 31809
Prefixes per ASN: 9.19
Origin-only ASes present in the Internet Routing Table: 27658
Origin ASes announcing only one prefix: 13490
Transit ASes present in the Internet Routing Table: 4151
Transit-only ASes present in the Internet Routing Table: 100
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: 434
Unregistered ASNs in the Routing Table: 128
Number of 32-bit ASNs allocated by the RIRs: 213
Prefixes from 32-bit ASNs in the Routing Table: 75
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 338
Number of addresses announced to Internet: 2061179008
Equivalent to 122 /8s, 219 /16s and 24 /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: 78.4
Total number of prefixes smaller than registry allocations: 144717
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 69831
Total APNIC prefixes after maximum aggregation: 24813
APNIC Deaggregation factor: 2.81
Prefixes being announced from the APNIC address blocks: 69263
Unique aggregates announced from the APNIC address blocks: 31610
APNIC Region origin ASes present in the Internet Routing Table: 3710
APNIC Prefixes per ASN: 18.67
APNIC Region origin ASes announcing only one prefix: 1007
APNIC Region transit ASes present in the Internet Routing Table: 577
Average APNIC Region AS path length visible: 3.5
Max APNIC Region AS path length visible: 16
Number of APNIC addresses announced to Internet: 474051264
Equivalent to 28 /8s, 65 /16s and 114 /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: 124205
Total ARIN prefixes after maximum aggregation: 66109
ARIN Deaggregation factor: 1.88
Prefixes being announced from the ARIN address blocks: 124861
Unique aggregates announced from the ARIN address blocks: 52301
ARIN Region origin ASes present in the Internet Routing Table: 13120
ARIN Prefixes per ASN: 9.52
ARIN Region origin ASes announcing only one prefix: 5061
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: 994850752
Equivalent to 59 /8s, 76 /16s and 55 /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: 66909
Total RIPE prefixes after maximum aggregation: 39552
RIPE Deaggregation factor: 1.69
Prefixes being announced from the RIPE address blocks: 66492
Unique aggregates announced from the RIPE address blocks: 44850
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: 6972
RIPE Region transit ASes present in the Internet Routing Table: 1989
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 22
Number of RIPE addresses announced to Internet: 497583552
Equivalent to 29 /8s, 168 /16s and 133 /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: 24663
Total LACNIC prefixes after maximum aggregation: 6061
LACNIC Deaggregation factor: 4.07
Prefixes being announced from the LACNIC address blocks: 24612
Unique aggregates announced from the LACNIC address blocks: 13626
LACNIC Region origin ASes present in the Internet Routing Table: 1144
LACNIC Prefixes per ASN: 21.51
LACNIC Region origin ASes announcing only one prefix: 364
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: 72660480
Equivalent to 4 /8s, 84 /16s and 182 /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: 6226
Total AfriNIC prefixes after maximum aggregation: 1502
AfriNIC Deaggregation factor: 4.15
Prefixes being announced from the AfriNIC address blocks: 6634
Unique aggregates announced from the AfriNIC address blocks: 2543
AfriNIC Region origin ASes present in the Internet Routing Table: 305
AfriNIC Prefixes per ASN: 21.75
AfriNIC Region origin ASes announcing only one prefix: 86
AfriNIC Region transit ASes present in the Internet Routing Table: 65
Average AfriNIC Region AS path length visible: 3.8
Max AfriNIC Region AS path length visible: 15
Number of AfriNIC addresses announced to Internet: 20248064
Equivalent to 1 /8s, 52 /16s and 246 /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 1705 6934 410 Korea Telecom (KIX)
17488 1543 137 103 Hathway IP Over Cable Interne
4755 1218 292 143 TATA Communications formerly
9583 1111 86 548 Sify Limited
4134 990 17321 375 CHINANET-BACKBONE
7545 810 198 99 TPG Internet Pty Ltd
9829 800 611 14 BSNL National Internet Backbo
23577 776 34 660 Korea Telecom (ATM-MPLS)
18101 751 201 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 4241 3643 324 bellsouth.net, inc.
4323 1897 1040 385 Time Warner Telecom
1785 1712 714 139 PaeTec Communications, Inc.
7018 1507 5909 1046 AT&T WorldNet Services
20115 1392 1440 674 Charter Communications
2386 1272 671 923 AT&T Data Communications Serv
6478 1223 275 308 AT&T Worldnet Services
3356 1192 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 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 349 1684 311 TeliaNet Sweden
3215 343 3065 108 France Telecom Transpac
8866 333 109 20 Bulgarian Telecommunication C
35805 325 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 1491 2888 242 UniNet S.A. de C.V.
10620 938 218 114 TVCABLE BOGOTA
28573 652 581 36 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 441 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 1025 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 4241 3643 324 bellsouth.net, inc.
4323 1897 1040 385 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 1507 5909 1046 AT&T WorldNet Services
8151 1491 2888 242 UniNet S.A. de C.V.
20115 1392 1440 674 Charter Communications
2386 1272 671 923 AT&T Data Communications Serv
6478 1223 275 308 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 1897 1512 Time Warner Telecom
17488 1543 1440 Hathway IP Over Cable Interne
4766 1705 1295 Korea Telecom (KIX)
8151 1491 1249 UniNet S.A. de C.V.
11492 1128 1116 Cable One
4755 1218 1075 TATA Communications formerly
18566 1062 1052 Covad Communications
8452 1025 1018 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 /16:10540 /17:4767 /18:8241
/19:17180 /20:20551 /21:20366 /22:26222 /23:26145 /24:153074
/25:933 /26:1036 /27:566 /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 4241 bellsouth.net, inc.
4766 1403 1705 Korea Telecom (KIX)
17488 1290 1543 Hathway IP Over Cable Interne
1785 1182 1712 PaeTec Communications, Inc.
11492 1054 1128 Cable One
18566 1043 1062 Covad Communications
2386 989 1272 AT&T Data Communications Serv
4323 964 1897 Time Warner Telecom
9583 964 1111 Sify Limited
8452 947 1025 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 20:36 24:1099 32:52 34:2 38:577
40:98 41:1786 43:1 44:2 47:22 52:6
55:2 56:2 57:24 58:593 59:649 60:461
61:1075 62:1106 63:2042 64:3708 65:2401 66:3581
67:1660 68:860 69:2672 70:552 71:153 72:1655
73:2 74:1635 75:175 76:349 77:849 78:582
79:357 80:971 81:841 82:586 83:451 84:626
85:1057 86:371 87:677 88:358 89:1465 90:50
91:2411 92:376 93:1066 94:1130 95:1118 96:154
97:225 98:250 99:27 110:177 111:345 112:111
113:145 114:254 115:324 116:1131 117:533 118:353
119:734 120:147 121:782 122:1059 123:704 124:976
125:1377 128:220 129:232 130:127 131:414 132:74
133:9 134:186 135:39 136:224 137:164 138:169
139:82 140:449 141:121 142:383 143:354 144:359
145:48 146:387 147:155 148:518 149:223 150:175
151:193 152:145 153:147 154:2 155:274 156:167
157:301 158:118 159:344 160:289 161:153 162:274
163:164 164:476 165:515 166:465 167:359 168:707
169:171 170:479 171:41 172:10 173:312 174:257
178:1 186:104 187:147 188:351 189:543 190:2919
192:5786 193:4269 194:3312 195:2706 196:1126 198:3646
199:3367 200:5119 201:1282 202:7705 203:8327 204:3883
205:2163 206:2450 207:2745 208:3890 209:3437 210:2534
211:1119 212:1658 213:1646 214:84 215:29 216:4544
217:1359 218:403 219:446 220:1108 221:475 222:325
End of report