Routing Table Report 00:00 GMT Sat 01 Aug, 2009
NB: RouteViews data includes iBGP information from some ASNs.
Treat the information provided below appropriately.
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/rviews/
Analysis Summary
----------------
BGP routing table entries examined: 300884
Prefixes after maximum aggregation: 139503
Deaggregation factor: 2.16
Unique aggregates announced to Internet: 145522
Total ASes present in the Internet Routing Table: 31894
Prefixes per ASN: 9.43
Origin-only ASes present in the Internet Routing Table: 27716
Origin ASes announcing only one prefix: 13494
Transit ASes present in the Internet Routing Table: 4178
Transit-only ASes present in the Internet Routing Table: 107
Average AS path length visible in the Internet Routing Table: 3.7
Max AS path length visible: 24
Max AS path prepend of ASN (12026) 22
Prefixes from unregistered ASNs in the Routing Table: 548
Unregistered ASNs in the Routing Table: 167
Number of 32-bit ASNs allocated by the RIRs: 220
Prefixes from 32-bit ASNs in the Routing Table: 81
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 346
Number of addresses announced to Internet: 2091210422
Equivalent to 124 /8s, 165 /16s and 86 /24s
Percentage of available address space announced: 56.4
Percentage of allocated address space announced: 65.3
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: 145772
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 70973
Total APNIC prefixes after maximum aggregation: 25085
APNIC Deaggregation factor: 2.83
Prefixes being announced from the APNIC address blocks: 70417
Unique aggregates announced from the APNIC address blocks: 31556
APNIC Region origin ASes present in the Internet Routing Table: 3712
APNIC Prefixes per ASN: 18.97
APNIC Region origin ASes announcing only one prefix: 1016
APNIC Region transit ASes present in the Internet Routing Table: 579
Average APNIC Region AS path length visible: 4.0
Max APNIC Region AS path length visible: 19
Number of APNIC addresses announced to Internet: 475982352
Equivalent to 28 /8s, 94 /16s and 234 /24s
Percentage of available APNIC address space announced: 88.7
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: 127067
Total ARIN prefixes after maximum aggregation: 66664
ARIN Deaggregation factor: 1.91
Prefixes being announced from the ARIN address blocks: 127514
Unique aggregates announced from the ARIN address blocks: 52285
ARIN Region origin ASes present in the Internet Routing Table: 13151
ARIN Prefixes per ASN: 9.70
ARIN Region origin ASes announcing only one prefix: 5067
ARIN Region transit ASes present in the Internet Routing Table: 1299
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 24
Number of ARIN addresses announced to Internet: 1020732433
Equivalent to 60 /8s, 215 /16s and 36 /24s
Percentage of available ARIN address space announced: 89.5
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 3/8, 4/8, 6/8, 7/8, 8/8, 9/8, 11/8,
12/8, 13/8, 15/8, 16/8, 17/8, 18/8, 19/8,
20/8, 21/8, 22/8, 24/8, 26/8, 28/8, 29/8,
30/8, 32/8, 33/8, 34/8, 35/8, 38/8, 40/8,
44/8, 45/8, 47/8, 48/8, 52/8, 54/8, 55/8,
56/8, 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, 214/8, 215/8, 216/8,
RIPE Region Analysis Summary
----------------------------
Prefixes being announced by RIPE Region ASes: 68864
Total RIPE prefixes after maximum aggregation: 39870
RIPE Deaggregation factor: 1.73
Prefixes being announced from the RIPE address blocks: 68712
Unique aggregates announced from the RIPE address blocks: 45143
RIPE Region origin ASes present in the Internet Routing Table: 13370
RIPE Prefixes per ASN: 5.14
RIPE Region origin ASes announcing only one prefix: 6970
RIPE Region transit ASes present in the Internet Routing Table: 1987
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 21
Number of RIPE addresses announced to Internet: 499357576
Equivalent to 29 /8s, 195 /16s and 151 /24s
Percentage of available RIPE address space announced: 99.2
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: 27337
Total LACNIC prefixes after maximum aggregation: 6110
LACNIC Deaggregation factor: 4.47
Prefixes being announced from the LACNIC address blocks: 27294
Unique aggregates announced from the LACNIC address blocks: 13728
LACNIC Region origin ASes present in the Internet Routing Table: 1150
LACNIC Prefixes per ASN: 23.73
LACNIC Region origin ASes announcing only one prefix: 359
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: 21
Number of LACNIC addresses announced to Internet: 72871112
Equivalent to 4 /8s, 87 /16s and 236 /24s
Percentage of available LACNIC address space announced: 72.4
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: 6189
Total AfriNIC prefixes after maximum aggregation: 1485
AfriNIC Deaggregation factor: 4.17
Prefixes being announced from the AfriNIC address blocks: 6588
Unique aggregates announced from the AfriNIC address blocks: 2525
AfriNIC Region origin ASes present in the Internet Routing Table: 298
AfriNIC Prefixes per ASN: 22.11
AfriNIC Region origin ASes announcing only one prefix: 82
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: 16
Number of AfriNIC addresses announced to Internet: 20272128
Equivalent to 1 /8s, 53 /16s and 84 /24s
Percentage of available AfriNIC address space announced: 60.4
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 1550 6976 419 Korea Telecom (KIX)
17488 1543 137 103 Hathway IP Over Cable Interne
4755 1225 292 144 Videsh Sanchar Nigam Ltd. Aut
9583 1124 87 550 Sify Limited
4134 927 17389 381 CHINANET-BACKBONE
23577 926 34 771 KRNIC
7545 807 198 101 TPG Internet Pty Ltd
9829 804 619 15 BSNL National Internet Backbo
18101 750 201 32 Reliance Infocom Ltd Internet
4808 732 1439 158 CNCGROUP IP network: China169
Complete listing at http://thyme.apnic.net/rviews/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
6389 4225 3643 323 bellsouth.net, inc.
20115 2546 1466 674 Charter Communications
4323 1905 1048 383 Time Warner Telecom
1785 1718 714 138 AppliedTheory Corporation
7018 1510 9994 1039 AT&T WorldNet Services
2386 1270 654 931 AT&T Data Communications Serv
6478 1249 274 302 AT&T Worldnet Services
3356 1210 10963 443 Level 3 Communications, LLC
11492 1129 208 12 Cable One
22773 1082 2604 66 Cox Communications, Inc.
Complete listing at http://thyme.apnic.net/rviews/data-ASnet-ARIN
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 631 1861 348 UUNET - Commercial IP service
30890 483 92 195 Evolva Telecom
12479 472 578 6 Uni2 Autonomous System
3292 469 1905 396 TDC Tele Danmark
3301 376 1684 310 TeliaNet Sweden
9198 365 138 12 Kazakhtelecom Corporate Sales
3320 353 7083 306 Deutsche Telekom AG
3215 344 3081 109 France Telecom Transpac
8997 343 152 8 SPBNIT-RU Autonomous System
8866 337 109 22 Bulgarian Telecommunication C
Complete listing at http://thyme.apnic.net/rviews/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7303 2124 317 88 Telecom Argentina Stet-France
8151 1503 2898 246 Uninet S.A. de C.V.
10620 981 220 102 TVCABLE BOGOTA
28573 639 579 41 Types of queries are: POCs, o
22047 539 302 14 Types of queries are: POCs, o
11830 490 310 54 Instituto Costarricense de El
11172 442 99 69 Alestra
7738 426 862 30 Telecomunicacoes da Bahia S.A
6471 421 96 31 ENTEL CHILE S.A.
16735 413 124 11 Companhia de Telecomunicacoes
Complete listing at http://thyme.apnic.net/rviews/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8452 1025 188 7 TEDATA
24863 908 90 48 LINKdotNET AS number
20858 324 34 5 EgyNet
3741 277 856 237 The Internet Solution
2018 245 215 143 TENET-1
6713 176 166 16 Itissalat Al-MAGHRIB
33783 152 10 8 EEPAD TISP TELECOM & INTERNET
29571 143 14 6 Ci Telecom Autonomous system
24835 138 46 9 RAYA Telecom - Egypt
5536 123 8 9 Internet Egypt Network
Complete listing at http://thyme.apnic.net/rviews/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
6389 4225 3643 323 bellsouth.net, inc.
20115 2546 1466 674 Charter Communications
7303 2124 317 88 Telecom Argentina Stet-France
4323 1905 1048 383 Time Warner Telecom
1785 1718 714 138 AppliedTheory Corporation
4766 1550 6976 419 Korea Telecom (KIX)
17488 1543 137 103 Hathway IP Over Cable Interne
7018 1510 9994 1039 AT&T WorldNet Services
8151 1503 2898 246 Uninet S.A. de C.V.
2386 1270 654 931 AT&T Data Communications Serv
Complete listing at http://thyme.apnic.net/rviews/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
7303 2124 2036 Telecom Argentina Stet-France
20115 2546 1872 Charter Communications
1785 1718 1580 AppliedTheory Corporation
4323 1905 1522 Time Warner Telecom
17488 1543 1440 Hathway IP Over Cable Interne
8151 1503 1257 Uninet S.A. de C.V.
4766 1550 1131 Korea Telecom (KIX)
11492 1129 1117 Cable One
4755 1225 1081 Videsh Sanchar Nigam Ltd. Aut
18566 1062 1052 Covad Communications
Complete listing at http://thyme.apnic.net/rviews/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/rviews/data-badAS
Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------
Prefix Origin AS Description
10.29.248.71/32 286 KPNQwest Backbone AS
Complete listing at http://thyme.apnic.net/rviews/data-dsua
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
10.29.248.71/32 286 KPNQwest Backbone AS
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
Complete listing at http://thyme.apnic.net/rviews/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 /8:20 /9:10 /10:24 /11:58 /12:172
/13:353 /14:624 /15:1181 /16:10735 /17:4858 /18:8409
/19:17414 /20:20809 /21:20871 /22:27618 /23:26999 /24:156371
/25:778 /26:992 /27:518 /28:444 /29:671 /30:717
/31:4 /32:234
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2741 4225 bellsouth.net, inc.
7303 1613 2124 Telecom Argentina Stet-France
20115 1529 2546 Charter Communications
17488 1290 1543 Hathway IP Over Cable Interne
4766 1236 1550 Korea Telecom (KIX)
1785 1189 1718 AppliedTheory Corporation
11492 1055 1129 Cable One
18566 1043 1062 Covad Communications
9583 977 1124 Sify Limited
4323 962 1905 Time Warner Telecom
Complete listing at http://thyme.apnic.net/rviews/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:14 8:212 12:2149 13:7 15:19 16:3
17:5 20:35 24:1271 32:151 34:2 38:585
40:98 41:1739 43:1 44:2 47:16 52:6
55:2 56:2 57:37 58:597 59:649 60:461
61:1083 62:1167 63:2023 64:3716 65:2409 66:3669
67:1684 68:902 69:2740 70:559 71:307 72:1670
73:2 74:1656 75:238 76:342 77:852 78:602
79:360 80:968 81:856 82:626 83:455 84:638
85:1075 86:381 87:673 88:372 89:1498 90:50
91:2444 92:386 93:1093 94:1109 95:1220 96:159
97:255 98:257 99:28 110:167 111:368 112:117
113:148 114:241 115:351 116:1128 117:556 118:338
119:758 120:147 121:787 122:1056 123:685 124:979
125:1377 128:225 129:223 130:124 131:414 132:74
133:10 134:186 135:43 136:225 137:165 138:167
139:94 140:442 141:123 142:384 143:366 144:356
145:49 146:390 147:156 148:528 149:302 150:206
151:193 152:145 153:155 154:2 155:275 156:168
157:302 158:119 159:343 160:289 161:156 162:272
163:165 164:464 165:524 166:466 167:361 168:710
169:176 170:511 171:41 172:10 173:324 174:271
178:1 180:4 186:109 187:173 188:353 189:667
190:3308 192:5773 193:4390 194:3424 195:2825 196:1118
198:3634 199:3350 200:5470 201:1419 202:7898 203:8292
204:3908 205:2251 206:2462 207:2751 208:3904 209:3442
210:2536 211:1135 212:1694 213:1699 214:79 215:29
216:4613 217:1370 218:410 219:483 220:1106 221:479
222:328
End of report