Routing Table Report 04:00 +10GMT Mon 27 Jul, 2009
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 292381
Prefixes after maximum aggregation: 138316
Deaggregation factor: 2.11
Unique aggregates announced to Internet: 145317
Total ASes present in the Internet Routing Table: 31808
Prefixes per ASN: 9.19
Origin-only ASes present in the Internet Routing Table: 27658
Origin ASes announcing only one prefix: 13482
Transit ASes present in the Internet Routing Table: 4150
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: 24
Max AS path prepend of ASN (12026) 22
Prefixes from unregistered ASNs in the Routing Table: 438
Unregistered ASNs in the Routing Table: 130
Number of 32-bit ASNs allocated by the RIRs: 217
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: 336
Number of addresses announced to Internet: 2061359424
Equivalent to 122 /8s, 221 /16s and 217 /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: 78.5
Total number of prefixes smaller than registry allocations: 144840
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 69855
Total APNIC prefixes after maximum aggregation: 24849
APNIC Deaggregation factor: 2.81
Prefixes being announced from the APNIC address blocks: 69290
Unique aggregates announced from the APNIC address blocks: 31634
APNIC Region origin ASes present in the Internet Routing Table: 3714
APNIC Prefixes per ASN: 18.66
APNIC Region origin ASes announcing only one prefix: 1011
APNIC Region transit ASes present in the Internet Routing Table: 578
Average APNIC Region AS path length visible: 3.5
Max APNIC Region AS path length visible: 16
Number of APNIC addresses announced to Internet: 473921984
Equivalent to 28 /8s, 63 /16s and 121 /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: 124309
Total ARIN prefixes after maximum aggregation: 66096
ARIN Deaggregation factor: 1.88
Prefixes being announced from the ARIN address blocks: 124967
Unique aggregates announced from the ARIN address blocks: 52368
ARIN Region origin ASes present in the Internet Routing Table: 13124
ARIN Prefixes per ASN: 9.52
ARIN Region origin ASes announcing only one prefix: 5062
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: 24
Number of ARIN addresses announced to Internet: 994981568
Equivalent to 59 /8s, 78 /16s and 54 /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: 66918
Total RIPE prefixes after maximum aggregation: 39552
RIPE Deaggregation factor: 1.69
Prefixes being announced from the RIPE address blocks: 66506
Unique aggregates announced from the RIPE address blocks: 44863
RIPE Region origin ASes present in the Internet Routing Table: 13315
RIPE Prefixes per ASN: 4.99
RIPE Region origin ASes announcing only one prefix: 6958
RIPE Region transit ASes present in the Internet Routing Table: 1984
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 21
Number of RIPE addresses announced to Internet: 497645248
Equivalent to 29 /8s, 169 /16s and 118 /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: 24738
Total LACNIC prefixes after maximum aggregation: 6060
LACNIC Deaggregation factor: 4.08
Prefixes being announced from the LACNIC address blocks: 24688
Unique aggregates announced from the LACNIC address blocks: 13663
LACNIC Region origin ASes present in the Internet Routing Table: 1145
LACNIC Prefixes per ASN: 21.56
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: 72651712
Equivalent to 4 /8s, 84 /16s and 147 /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: 6177
Total AfriNIC prefixes after maximum aggregation: 1477
AfriNIC Deaggregation factor: 4.18
Prefixes being announced from the AfriNIC address blocks: 6581
Unique aggregates announced from the AfriNIC address blocks: 2514
AfriNIC Region origin ASes present in the Internet Routing Table: 303
AfriNIC Prefixes per ASN: 21.72
AfriNIC Region origin ASes announcing only one prefix: 86
AfriNIC Region transit ASes present in the Internet Routing Table: 62
Average AfriNIC Region AS path length visible: 3.8
Max AfriNIC Region AS path length visible: 15
Number of AfriNIC addresses announced to Internet: 20234752
Equivalent to 1 /8s, 52 /16s and 194 /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 409 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 803 615 15 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 4236 3643 324 bellsouth.net, inc.
4323 1898 1050 385 Time Warner Telecom
1785 1713 714 139 PaeTec Communications, Inc.
7018 1512 5907 1046 AT&T WorldNet Services
20115 1425 1462 680 Charter Communications
2386 1271 670 923 AT&T Data Communications Serv
6478 1244 275 311 AT&T Worldnet Services
3356 1195 10960 444 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 394 TDC Tele Danmark
702 431 1861 347 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 1491 2888 241 UniNet S.A. de C.V.
10620 940 219 111 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 140 15 8 Ci Telecom Autonomous system
24835 136 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 4236 3643 324 bellsouth.net, inc.
4323 1898 1050 385 Time Warner Telecom
1785 1713 714 139 PaeTec Communications, Inc.
4766 1703 6934 409 Korea Telecom (KIX)
17488 1543 137 103 Hathway IP Over Cable Interne
7018 1512 5907 1046 AT&T WorldNet Services
8151 1491 2888 241 UniNet S.A. de C.V.
20115 1425 1462 680 Charter Communications
2386 1271 670 923 AT&T Data Communications Serv
6478 1244 275 311 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 1294 Korea Telecom (KIX)
8151 1491 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 /16:10540 /17:4767 /18:8242
/19:17177 /20:20545 /21:20386 /22:26277 /23:26186 /24:153121
/25:935 /26:1040 /27:570 /28:159 /29:8 /30:7
/31:1 /32:8
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2751 4236 bellsouth.net, inc.
4766 1401 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 8:211 12:2144 13:7 15:19 16:3
17:5 20:36 24:1100 32:52 34:2 38:579
40:98 41:1752 43:1 44:2 47:22 52:6
55:2 56:2 57:24 58:595 59:649 60:461
61:1078 62:1106 63:2016 64:3705 65:2401 66:3582
67:1679 68:861 69:2651 70:552 71:154 72:1653
73:2 74:1638 75:175 76:348 77:850 78:580
79:359 80:976 81:840 82:582 83:451 84:629
85:1058 86:372 87:673 88:363 89:1473 90:50
91:2414 92:377 93:1079 94:1068 95:1121 96:155
97:225 98:248 99:27 110:177 111:348 112:113
113:144 114:253 115:336 116:1122 117:535 118:355
119:733 120:146 121:783 122:1057 123:707 124:975
125:1378 128:225 129:232 130:128 131:414 132:74
133:9 134:186 135:40 136:225 137:165 138:167
139:82 140:446 141:122 142:383 143:361 144:361
145:48 146:388 147:155 148:519 149:223 150:207
151:193 152:145 153:147 154:2 155:268 156:167
157:301 158:118 159:344 160:289 161:156 162:275
163:164 164:475 165:521 166:467 167:361 168:706
169:170 170:480 171:42 172:10 173:316 174:258
178:1 186:107 187:147 188:354 189:548 190:2925
192:5786 193:4257 194:3307 195:2693 196:1132 198:3642
199:3371 200:5136 201:1283 202:7704 203:8317 204:3898
205:2158 206:2453 207:2747 208:3898 209:3435 210:2537
211:1123 212:1674 213:1643 214:84 215:29 216:4549
217:1367 218:402 219:449 220:1108 221:475 222:328
End of report