Routing Table Report 04:00 +10GMT Mon 20 Jul, 2009
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 291223
Prefixes after maximum aggregation: 138126
Deaggregation factor: 2.11
Unique aggregates announced to Internet: 144846
Total ASes present in the Internet Routing Table: 31771
Prefixes per ASN: 9.17
Origin-only ASes present in the Internet Routing Table: 27636
Origin ASes announcing only one prefix: 13457
Transit ASes present in the Internet Routing Table: 4135
Transit-only ASes present in the Internet Routing Table: 96
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: 418
Unregistered ASNs in the Routing Table: 122
Number of 32-bit ASNs allocated by the RIRs: 207
Prefixes from 32-bit ASNs in the Routing Table: 67
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 337
Number of addresses announced to Internet: 2071531008
Equivalent to 123 /8s, 121 /16s and 14 /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: 144160
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 69558
Total APNIC prefixes after maximum aggregation: 24774
APNIC Deaggregation factor: 2.81
Prefixes being announced from the APNIC address blocks: 68975
Unique aggregates announced from the APNIC address blocks: 31484
APNIC Region origin ASes present in the Internet Routing Table: 3708
APNIC Prefixes per ASN: 18.60
APNIC Region origin ASes announcing only one prefix: 1010
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: 16
Number of APNIC addresses announced to Internet: 469442240
Equivalent to 27 /8s, 251 /16s and 30 /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: 123902
Total ARIN prefixes after maximum aggregation: 66050
ARIN Deaggregation factor: 1.88
Prefixes being announced from the ARIN address blocks: 124576
Unique aggregates announced from the ARIN address blocks: 52194
ARIN Region origin ASes present in the Internet Routing Table: 13112
ARIN Prefixes per ASN: 9.50
ARIN Region origin ASes announcing only one prefix: 5049
ARIN Region transit ASes present in the Internet Routing Table: 1277
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 39
Number of ARIN addresses announced to Internet: 1010544576
Equivalent to 60 /8s, 59 /16s and 175 /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: 66514
Total RIPE prefixes after maximum aggregation: 39467
RIPE Deaggregation factor: 1.69
Prefixes being announced from the RIPE address blocks: 66093
Unique aggregates announced from the RIPE address blocks: 44734
RIPE Region origin ASes present in the Internet Routing Table: 13300
RIPE Prefixes per ASN: 4.97
RIPE Region origin ASes announcing only one prefix: 6942
RIPE Region transit ASes present in the Internet Routing Table: 1990
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 21
Number of RIPE addresses announced to Internet: 496662720
Equivalent to 29 /8s, 154 /16s and 120 /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: 24671
Total LACNIC prefixes after maximum aggregation: 6057
LACNIC Deaggregation factor: 4.07
Prefixes being announced from the LACNIC address blocks: 24609
Unique aggregates announced from the LACNIC address blocks: 13617
LACNIC Region origin ASes present in the Internet Routing Table: 1146
LACNIC Prefixes per ASN: 21.47
LACNIC Region origin ASes announcing only one prefix: 367
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: 72474240
Equivalent to 4 /8s, 81 /16s and 222 /24s
Percentage of available LACNIC address space announced: 72.0
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: 6214
Total AfriNIC prefixes after maximum aggregation: 1504
AfriNIC Deaggregation factor: 4.13
Prefixes being announced from the AfriNIC address blocks: 6619
Unique aggregates announced from the AfriNIC address blocks: 2541
AfriNIC Region origin ASes present in the Internet Routing Table: 305
AfriNIC Prefixes per ASN: 21.70
AfriNIC Region origin ASes announcing only one prefix: 89
AfriNIC Region transit ASes present in the Internet Routing Table: 63
Average AfriNIC Region AS path length visible: 3.8
Max AfriNIC Region AS path length visible: 16
Number of AfriNIC addresses announced to Internet: 20034560
Equivalent to 1 /8s, 49 /16s and 180 /24s
Percentage of available AfriNIC address space announced: 59.7
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 1542 137 103 Hathway IP Over Cable Interne
4755 1218 292 144 TATA Communications formerly
9583 1126 87 559 Sify Limited
4134 990 17290 375 CHINANET-BACKBONE
7545 812 198 102 TPG Internet Pty Ltd
9829 800 611 14 BSNL National Internet Backbo
23577 785 34 666 Korea Telecom (ATM-MPLS)
18101 749 201 32 Reliance Infocom Ltd Internet
24560 729 246 168 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 4244 3643 323 bellsouth.net, inc.
4323 1892 1048 385 Time Warner Telecom
1785 1710 714 139 PaeTec Communications, Inc.
7018 1508 5909 1047 AT&T WorldNet Services
20115 1415 1460 681 Charter Communications
2386 1268 670 919 AT&T Data Communications Serv
6478 1217 275 311 AT&T Worldnet Services
3356 1194 10961 444 Level 3 Communications, LLC
11492 1127 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 484 92 196 Evolva Telecom
12479 474 578 6 Uni2 Autonomous System
3292 455 1902 391 TDC Tele Danmark
702 428 1861 344 UUNET - Commercial IP service
3320 351 7082 305 Deutsche Telekom AG
3301 348 1684 310 TeliaNet Sweden
3215 343 3065 108 France Telecom Transpac
8866 333 109 20 Bulgarian Telecommunication C
29049 307 26 3 AzerSat LLC.
8551 305 289 40 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 1471 2882 231 UniNet S.A. de C.V.
10620 951 216 111 TVCABLE BOGOTA
28573 613 575 32 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 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 1027 188 7 TEDATA
24863 903 90 48 LINKdotNET AS number
20858 324 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 130 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 4244 3643 323 bellsouth.net, inc.
4323 1892 1048 385 Time Warner Telecom
1785 1710 714 139 PaeTec Communications, Inc.
4766 1701 6934 407 Korea Telecom (KIX)
17488 1542 137 103 Hathway IP Over Cable Interne
7018 1508 5909 1047 AT&T WorldNet Services
8151 1471 2882 231 UniNet S.A. de C.V.
20115 1415 1460 681 Charter Communications
2386 1268 670 919 AT&T Data Communications Serv
4755 1218 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 1710 1571 PaeTec Communications, Inc.
4323 1892 1507 Time Warner Telecom
17488 1542 1439 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 1218 1074 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 /8:19 /9:10 /10:23 /11:58 /12:169
/13:350 /14:612 /15:1164 /16:10534 /17:4751 /18:8224
/19:17157 /20:20488 /21:20358 /22:26149 /23:26077 /24:152383
/25:930 /26:1030 /27:560 /28:153 /29:8 /30:7
/31:1 /32:8
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2755 4244 bellsouth.net, inc.
4766 1400 1701 Korea Telecom (KIX)
17488 1288 1542 Hathway IP Over Cable Interne
1785 1182 1710 PaeTec Communications, Inc.
11492 1053 1127 Cable One
18566 1043 1062 Covad Communications
2386 986 1268 AT&T Data Communications Serv
9583 979 1126 Sify Limited
4323 959 1892 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)
----------------------------------------------
4:18 8:209 12:2143 13:7 15:19 16:3
17:5 20:35 24:1100 32:51 34:2 38:578
40:98 41:1780 43:1 44:2 47:22 52:6
55:2 56:2 57:24 58:598 59:648 60:461
61:1076 62:1106 63:2048 64:3697 65:2400 66:3586
67:1620 68:858 69:2664 70:555 71:152 72:1675
73:2 74:1626 75:171 76:347 77:841 78:554
79:356 80:983 81:839 82:570 83:457 84:625
85:1025 86:370 87:679 88:371 89:1440 90:50
91:2403 92:363 93:1071 94:1027 95:1120 96:151
97:215 98:249 99:26 110:175 111:274 112:109
113:142 114:254 115:322 116:1127 117:536 118:356
119:745 120:146 121:781 122:1054 123:698 124:981
125:1373 128:225 129:232 130:128 131:414 132:74
133:9 134:187 135:40 136:219 137:165 138:168
139:80 140:446 141:121 142:385 143:352 144:366
145:48 146:387 147:154 148:517 149:230 150:175
151:193 152:146 153:147 154:2 155:274 156:166
157:300 158:117 159:346 160:289 161:152 162:275
163:162 164:476 165:515 166:465 167:362 168:653
169:172 170:478 171:43 172:10 173:313 174:240
178:1 186:103 187:144 188:282 189:532 190:2951
192:5783 193:4266 194:3308 195:2707 196:1110 198:3608
199:3363 200:5140 201:1285 202:7674 203:8249 204:3885
205:2157 206:2448 207:2741 208:3893 209:3373 210:2538
211:1116 212:1655 213:1632 214:84 215:29 216:4541
217:1350 218:401 219:445 220:1110 221:480 222:326
End of report
