Routing Table Report 04:00 +10GMT Fri 29 May, 2009
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 289052
Prefixes after maximum aggregation: 136639
Deaggregation factor: 2.12
Unique aggregates announced to Internet: 142061
Total ASes present in the Internet Routing Table: 31350
Prefixes per ASN: 9.22
Origin-only ASes present in the Internet Routing Table: 27244
Origin ASes announcing only one prefix: 13311
Transit ASes present in the Internet Routing Table: 4106
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: 28
Max AS path prepend of ASN (12026) 22
Prefixes from unregistered ASNs in the Routing Table: 511
Unregistered ASNs in the Routing Table: 148
Number of 32-bit ASNs allocated by the RIRs: 164
Prefixes from 32-bit ASNs in the Routing Table: 37
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 829
Number of addresses announced to Internet: 2055456320
Equivalent to 122 /8s, 131 /16s and 198 /24s
Percentage of available address space announced: 55.5
Percentage of allocated address space announced: 64.2
Percentage of available address space allocated: 86.4
Percentage of address space in use by end-sites: 77.2
Total number of prefixes smaller than registry allocations: 143039
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 68088
Total APNIC prefixes after maximum aggregation: 24396
APNIC Deaggregation factor: 2.79
Prefixes being announced from the APNIC address blocks: 67505
Unique aggregates announced from the APNIC address blocks: 30675
APNIC Region origin ASes present in the Internet Routing Table: 3649
APNIC Prefixes per ASN: 18.50
APNIC Region origin ASes announcing only one prefix: 998
APNIC Region transit ASes present in the Internet Routing Table: 561
Average APNIC Region AS path length visible: 3.5
Max APNIC Region AS path length visible: 22
Number of APNIC addresses announced to Internet: 452216160
Equivalent to 26 /8s, 244 /16s and 69 /24s
Percentage of available APNIC address space announced: 84.2
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: 124922
Total ARIN prefixes after maximum aggregation: 65745
ARIN Deaggregation factor: 1.90
Prefixes being announced from the ARIN address blocks: 125664
Unique aggregates announced from the ARIN address blocks: 51655
ARIN Region origin ASes present in the Internet Routing Table: 13001
ARIN Prefixes per ASN: 9.67
ARIN Region origin ASes announcing only one prefix: 4999
ARIN Region transit ASes present in the Internet Routing Table: 1271
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 24
Number of ARIN addresses announced to Internet: 1017342272
Equivalent to 60 /8s, 163 /16s and 105 /24s
Percentage of available ARIN address space announced: 195.6
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: 65534
Total RIPE prefixes after maximum aggregation: 38778
RIPE Deaggregation factor: 1.69
Prefixes being announced from the RIPE address blocks: 64754
Unique aggregates announced from the RIPE address blocks: 43574
RIPE Region origin ASes present in the Internet Routing Table: 13065
RIPE Prefixes per ASN: 4.96
RIPE Region origin ASes announcing only one prefix: 6860
RIPE Region transit ASes present in the Internet Routing Table: 1979
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 28
Number of RIPE addresses announced to Internet: 480695200
Equivalent to 28 /8s, 166 /16s and 211 /24s
Percentage of available RIPE address space announced: 102.3
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: 23849
Total LACNIC prefixes after maximum aggregation: 5936
LACNIC Deaggregation factor: 4.02
Prefixes being announced from the LACNIC address blocks: 23718
Unique aggregates announced from the LACNIC address blocks: 13076
LACNIC Region origin ASes present in the Internet Routing Table: 1114
LACNIC Prefixes per ASN: 21.29
LACNIC Region origin ASes announcing only one prefix: 362
LACNIC Region transit ASes present in the Internet Routing Table: 184
Average LACNIC Region AS path length visible: 4.1
Max LACNIC Region AS path length visible: 19
Number of LACNIC addresses announced to Internet: 71526784
Equivalent to 4 /8s, 67 /16s and 105 /24s
Percentage of available LACNIC address space announced: 71.1
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: 6236
Total AfriNIC prefixes after maximum aggregation: 1444
AfriNIC Deaggregation factor: 4.32
Prefixes being announced from the AfriNIC address blocks: 6569
Unique aggregates announced from the AfriNIC address blocks: 2445
AfriNIC Region origin ASes present in the Internet Routing Table: 298
AfriNIC Prefixes per ASN: 22.04
AfriNIC Region origin ASes announcing only one prefix: 92
AfriNIC Region transit ASes present in the Internet Routing Table: 63
Average AfriNIC Region AS path length visible: 3.7
Max AfriNIC Region AS path length visible: 15
Number of AfriNIC addresses announced to Internet: 19310848
Equivalent to 1 /8s, 38 /16s and 169 /24s
Percentage of available AfriNIC address space announced: 57.6
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 6930 401 Korea Telecom (KIX)
17488 1587 130 98 Hathway IP Over Cable Interne
4755 1250 476 125 TATA Communications formerly
9583 1075 86 538 Sify Limited
4134 891 16789 375 CHINANET-BACKBONE
7545 788 198 102 TPG Internet Pty Ltd
23577 780 34 661 Korea Telecom (ATM-MPLS)
18101 750 216 29 Reliance Infocom Ltd Internet
24560 693 230 174 Bharti Airtel Ltd.
9829 669 561 15 BSNL National Internet Backbo
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 4293 3647 324 bellsouth.net, inc.
209 2537 4133 601 Qwest
4323 1856 1035 374 Time Warner Telecom
1785 1699 717 139 PaeTec Communications, Inc.
20115 1627 1443 719 Charter Communications
7018 1500 5903 1034 AT&T WorldNet Services
6478 1399 310 445 AT&T Worldnet Services
2386 1267 683 921 AT&T Data Communications Serv
3356 1221 10981 459 Level 3 Communications, LLC
11492 1102 193 12 Cable One
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 527 87 197 Evolva Telecom
3292 456 1893 394 TDC Tele Danmark
12479 450 578 6 Uni2 Autonomous System
702 430 1864 344 UUNET - Commercial IP service
8866 386 110 26 Bulgarian Telecommunication C
3320 344 7066 295 Deutsche Telekom AG
35805 344 24 4 United Telecom of Georgia
3215 343 3041 108 France Telecom Transpac
3301 340 1668 304 TeliaNet Sweden
29049 317 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 1451 2862 233 UniNet S.A. de C.V.
10620 914 207 108 TVCABLE BOGOTA
22047 614 302 14 VTR PUNTO NET S.A.
7303 535 293 73 Telecom Argentina Stet-France
11830 486 292 54 Instituto Costarricense de El
28573 477 562 35 NET Servicos de Comunicao S.A
6471 443 96 32 ENTEL CHILE S.A.
11172 441 102 70 Servicios Alestra S.A de C.V
7738 404 794 28 Telecomunicacoes da Bahia S.A
3816 355 169 79 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 1203 188 7 TEDATA
24863 880 81 41 LINKdotNET AS number
20858 324 34 5 EgyNet
3741 278 860 238 The Internet Solution
2018 245 215 143 Tertiary Education Network
6713 160 151 12 Itissalat Al-MAGHRIB
33783 152 10 8 EEPAD TISP TELECOM & INTERNET
29571 139 15 8 Ci Telecom Autonomous system
5536 123 8 9 Internet Egypt Network
33776 116 6 7 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 4293 3647 324 bellsouth.net, inc.
209 2537 4133 601 Qwest
4323 1856 1035 374 Time Warner Telecom
4766 1705 6930 401 Korea Telecom (KIX)
1785 1699 717 139 PaeTec Communications, Inc.
20115 1627 1443 719 Charter Communications
17488 1587 130 98 Hathway IP Over Cable Interne
7018 1500 5903 1034 AT&T WorldNet Services
8151 1451 2862 233 UniNet S.A. de C.V.
6478 1399 310 445 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
209 2537 1936 Qwest
1785 1699 1560 PaeTec Communications, Inc.
17488 1587 1489 Hathway IP Over Cable Interne
4323 1856 1482 Time Warner Telecom
4766 1705 1304 Korea Telecom (KIX)
8151 1451 1218 UniNet S.A. de C.V.
8452 1203 1196 TEDATA
4755 1250 1125 TATA Communications formerly
11492 1102 1090 Cable One
18566 1062 1052 Covad Communications
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
41.223.112.0/22 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
64.31.59.0/24 7017 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 /10:22 /11:58 /12:166
/13:347 /14:602 /15:1152 /16:10485 /17:4759 /18:8170
/19:17099 /20:20447 /21:20391 /22:26037 /23:25744 /24:151000
/25:842 /26:993 /27:545 /28:143 /29:8 /30:5
/31:0 /32:8
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2800 4293 bellsouth.net, inc.
4766 1398 1705 Korea Telecom (KIX)
17488 1307 1587 Hathway IP Over Cable Interne
209 1282 2537 Qwest
1785 1175 1699 PaeTec Communications, Inc.
8452 1172 1203 TEDATA
18566 1043 1062 Covad Communications
11492 1037 1102 Cable One
2386 975 1267 AT&T Data Communications Serv
4323 955 1856 Time Warner Telecom
Complete listing at http://thyme.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:15 8:203 12:2221 13:10 15:19 16:3
17:4 20:36 24:1072 32:52 34:2 38:561
40:97 41:1995 43:1 44:2 47:22 52:4
55:2 56:3 57:24 58:588 59:642 60:460
61:1094 62:1090 63:2086 64:3711 65:2381 66:3621
67:1605 68:813 69:2629 70:530 71:147 72:1664
73:2 74:1535 75:172 76:308 77:860 78:560
79:337 80:974 81:815 82:551 83:425 84:641
85:1037 86:401 87:658 88:353 89:1434 90:61
91:2257 92:336 93:1036 94:1219 95:1182 96:133
97:208 98:242 99:20 109:1 110:126 112:128
113:110 114:271 115:289 116:1164 117:529 118:280
119:702 120:145 121:740 122:1025 123:684 124:968
125:1320 128:222 129:235 130:125 131:412 132:75
133:9 134:186 135:39 136:224 137:155 138:160
139:78 140:443 141:114 142:380 143:347 144:365
145:47 146:376 147:159 148:518 149:229 150:176
151:198 152:147 153:139 154:2 155:275 156:170
157:297 158:115 159:313 160:283 161:143 162:269
163:151 164:480 165:501 166:275 167:361 168:680
169:164 170:476 171:40 172:10 173:288 174:216
178:1 180:1 183:1 186:17 187:95 188:20
189:412 190:2677 192:5780 193:4227 194:3300 195:2688
196:1086 198:3626 199:3366 200:5206 201:1284 202:7876
203:8201 204:3837 205:2140 206:2453 207:2781 208:3904
209:3442 210:2682 211:1117 212:1521 213:1670 214:76
215:30 216:4695 217:1280 218:369 219:429 220:1217
221:475 222:303
End of report