Routing Table Report 04:00 +10GMT Thu 16 Jul, 2009
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 290969
Prefixes after maximum aggregation: 138029
Deaggregation factor: 2.11
Unique aggregates announced to Internet: 144724
Total ASes present in the Internet Routing Table: 31750
Prefixes per ASN: 9.16
Origin-only ASes present in the Internet Routing Table: 27608
Origin ASes announcing only one prefix: 13445
Transit ASes present in the Internet Routing Table: 4142
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: 464
Unregistered ASNs in the Routing Table: 127
Number of 32-bit ASNs allocated by the RIRs: 198
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: 335
Number of addresses announced to Internet: 2071635456
Equivalent to 123 /8s, 122 /16s and 166 /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: 144110
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 69290
Total APNIC prefixes after maximum aggregation: 24757
APNIC Deaggregation factor: 2.80
Prefixes being announced from the APNIC address blocks: 68718
Unique aggregates announced from the APNIC address blocks: 31435
APNIC Region origin ASes present in the Internet Routing Table: 3700
APNIC Prefixes per ASN: 18.57
APNIC Region origin ASes announcing only one prefix: 1011
APNIC Region transit ASes present in the Internet Routing Table: 569
Average APNIC Region AS path length visible: 3.5
Max APNIC Region AS path length visible: 18
Number of APNIC addresses announced to Internet: 469588672
Equivalent to 27 /8s, 253 /16s and 90 /24s
Percentage of available APNIC address space announced: 87.5
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: 123837
Total ARIN prefixes after maximum aggregation: 66025
ARIN Deaggregation factor: 1.88
Prefixes being announced from the ARIN address blocks: 124511
Unique aggregates announced from the ARIN address blocks: 52124
ARIN Region origin ASes present in the Internet Routing Table: 13107
ARIN Prefixes per ASN: 9.50
ARIN Region origin ASes announcing only one prefix: 5042
ARIN Region transit ASes present in the Internet Routing Table: 1275
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 39
Number of ARIN addresses announced to Internet: 1010528192
Equivalent to 60 /8s, 59 /16s and 111 /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: 66669
Total RIPE prefixes after maximum aggregation: 39407
RIPE Deaggregation factor: 1.69
Prefixes being announced from the RIPE address blocks: 66275
Unique aggregates announced from the RIPE address blocks: 44757
RIPE Region origin ASes present in the Internet Routing Table: 13288
RIPE Prefixes per ASN: 4.99
RIPE Region origin ASes announcing only one prefix: 6934
RIPE Region transit ASes present in the Internet Routing Table: 1993
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 21
Number of RIPE addresses announced to Internet: 496553152
Equivalent to 29 /8s, 152 /16s and 204 /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: 24590
Total LACNIC prefixes after maximum aggregation: 6027
LACNIC Deaggregation factor: 4.08
Prefixes being announced from the LACNIC address blocks: 24527
Unique aggregates announced from the LACNIC address blocks: 13564
LACNIC Region origin ASes present in the Internet Routing Table: 1141
LACNIC Prefixes per ASN: 21.50
LACNIC Region origin ASes announcing only one prefix: 368
LACNIC Region transit ASes present in the Internet Routing Table: 190
Average LACNIC Region AS path length visible: 4.0
Max LACNIC Region AS path length visible: 19
Number of LACNIC addresses announced to Internet: 72338560
Equivalent to 4 /8s, 79 /16s and 204 /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: 6175
Total AfriNIC prefixes after maximum aggregation: 1496
AfriNIC Deaggregation factor: 4.13
Prefixes being announced from the AfriNIC address blocks: 6589
Unique aggregates announced from the AfriNIC address blocks: 2570
AfriNIC Region origin ASes present in the Internet Routing Table: 307
AfriNIC Prefixes per ASN: 21.46
AfriNIC Region origin ASes announcing only one prefix: 90
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: 16
Number of AfriNIC addresses announced to Internet: 20247040
Equivalent to 1 /8s, 52 /16s and 242 /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 1703 6934 407 Korea Telecom (KIX)
17488 1541 138 95 Hathway IP Over Cable Interne
4755 1216 292 144 TATA Communications formerly
9583 1125 87 560 Sify Limited
4134 979 17164 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 750 200 32 Reliance Infocom Ltd Internet
24560 727 230 168 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 1890 1047 384 Time Warner Telecom
1785 1711 714 139 PaeTec Communications, Inc.
7018 1507 5909 1049 AT&T WorldNet Services
20115 1420 1462 681 Charter Communications
2386 1264 670 919 AT&T Data Communications Serv
6478 1213 274 312 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 473 578 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 332 109 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 1467 2882 233 UniNet S.A. de C.V.
10620 940 215 109 TVCABLE BOGOTA
28573 612 575 32 NET Servicos de Comunicao S.A
7303 589 312 93 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 381 188 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 986 188 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 176 166 16 Itissalat Al-MAGHRIB
33783 152 10 8 EEPAD TISP TELECOM & INTERNET
29571 140 15 8 Ci Telecom Autonomous system
24835 127 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 1890 1047 384 Time Warner Telecom
1785 1711 714 139 PaeTec Communications, Inc.
4766 1703 6934 407 Korea Telecom (KIX)
17488 1541 138 95 Hathway IP Over Cable Interne
7018 1507 5909 1049 AT&T WorldNet Services
8151 1467 2882 233 UniNet S.A. de C.V.
20115 1420 1462 681 Charter Communications
2386 1264 670 919 AT&T Data Communications Serv
4755 1216 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 1890 1506 Time Warner Telecom
17488 1541 1446 Hathway IP Over Cable Interne
4766 1703 1296 Korea Telecom (KIX)
8151 1467 1234 UniNet S.A. de C.V.
11492 1127 1115 Cable One
4755 1216 1072 TATA Communications formerly
18566 1062 1052 Covad Communications
22773 1076 1010 Cox Communications, Inc.
8452 986 979 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
/13:351 /14:613 /15:1165 /16:10536 /17:4747 /18:8225
/19:17139 /20:20457 /21:20317 /22:26140 /23:26032 /24:152276
/25:929 /26:1031 /27:558 /28:150 /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 1402 1703 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 982 1264 AT&T Data Communications Serv
9583 978 1125 Sify Limited
4323 961 1890 Time Warner Telecom
8452 910 986 TEDATA
Complete listing at http://thyme.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:14 8:209 12:2137 13:7 15:19 16:3
17:5 20:35 24:1099 32:51 34:2 38:580
40:98 41:1758 43:1 44:2 47:22 52:6
55:2 56:2 57:24 58:594 59:648 60:465
61:1076 62:1115 63:2046 64:3718 65:2399 66:3587
67:1610 68:857 69:2657 70:554 71:151 72:1669
73:2 74:1612 75:171 76:343 77:839 78:562
79:353 80:980 81:839 82:572 83:459 84:624
85:1027 86:370 87:676 88:370 89:1435 90:50
91:2403 92:361 93:1100 94:1226 95:1117 96:151
97:214 98:250 99:26 110:176 111:88 112:110
113:136 114:252 115:314 116:1120 117:537 118:352
119:745 120:154 121:763 122:1052 123:701 124:976
125:1378 128:224 129:232 130:128 131:414 132:72
133:9 134:188 135:40 136:218 137:165 138:168
139:79 140:450 141:121 142:388 143:351 144:365
145:48 146:387 147:154 148:514 149:232 150:180
151:194 152:146 153:147 154:2 155:274 156:166
157:300 158:117 159:344 160:290 161:153 162:274
163:158 164:476 165:504 166:465 167:360 168:647
169:173 170:476 171:41 172:10 173:311 174:237
178:1 186:101 187:102 188:278 189:542 190:2907
192:5780 193:4260 194:3309 195:2693 196:1115 198:3614
199:3365 200:5151 201:1312 202:7714 203:8257 204:3898
205:2155 206:2445 207:2745 208:3875 209:3367 210:2533
211:1117 212:1649 213:1630 214:84 215:29 216:4540
217:1348 218:399 219:442 220:1115 221:478 222:326
End of report