Routing Table Report 00:00 GMT Tue 28 Jul, 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: 298834
Prefixes after maximum aggregation: 138776
Deaggregation factor: 2.15
Unique aggregates announced to Internet: 98131
Total ASes present in the Internet Routing Table: 31861
Prefixes per ASN: 9.38
Origin-only ASes present in the Internet Routing Table: 27687
Origin ASes announcing only one prefix: 13477
Transit ASes present in the Internet Routing Table: 4174
Transit-only ASes present in the Internet Routing Table: 102
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: 501
Unregistered ASNs in the Routing Table: 156
Number of 32-bit ASNs allocated by the RIRs: 217
Prefixes from 32-bit ASNs in the Routing Table: 74
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 340
Number of addresses announced to Internet: 1161013790
Equivalent to 69 /8s, 51 /16s and 170 /24s
Percentage of available address space announced: 31.3
Percentage of allocated address space announced: 36.2
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: 149075
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 70041
Total APNIC prefixes after maximum aggregation: 24584
APNIC Deaggregation factor: 2.85
Prefixes being announced from the APNIC address blocks: 69482
Unique aggregates announced from the APNIC address blocks: 21920
APNIC Region origin ASes present in the Internet Routing Table: 3716
APNIC Prefixes per ASN: 18.70
APNIC Region origin ASes announcing only one prefix: 1021
APNIC Region transit ASes present in the Internet Routing Table: 580
Average APNIC Region AS path length visible: 4.0
Max APNIC Region AS path length visible: 19
Number of APNIC addresses announced to Internet: 236502976
Equivalent to 14 /8s, 24 /16s and 191 /24s
Percentage of available APNIC address space announced: 44.1
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: 126357
Total ARIN prefixes after maximum aggregation: 66546
ARIN Deaggregation factor: 1.90
Prefixes being announced from the ARIN address blocks: 126755
Unique aggregates announced from the ARIN address blocks: 37198
ARIN Region origin ASes present in the Internet Routing Table: 13136
ARIN Prefixes per ASN: 9.65
ARIN Region origin ASes announcing only one prefix: 5062
ARIN Region transit ASes present in the Internet Routing Table: 1296
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 24
Number of ARIN addresses announced to Internet: 649607637
Equivalent to 38 /8s, 184 /16s and 57 /24s
Percentage of available ARIN address space announced: 124.9
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: 68622
Total RIPE prefixes after maximum aggregation: 39802
RIPE Deaggregation factor: 1.72
Prefixes being announced from the RIPE address blocks: 68468
Unique aggregates announced from the RIPE address blocks: 22711
RIPE Region origin ASes present in the Internet Routing Table: 13352
RIPE Prefixes per ASN: 5.13
RIPE Region origin ASes announcing only one prefix: 6953
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: 181316224
Equivalent to 10 /8s, 206 /16s and 170 /24s
Percentage of available RIPE address space announced: 36.0
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: 27251
Total LACNIC prefixes after maximum aggregation: 6088
LACNIC Deaggregation factor: 4.48
Prefixes being announced from the LACNIC address blocks: 27205
Unique aggregates announced from the LACNIC address blocks: 13675
LACNIC Region origin ASes present in the Internet Routing Table: 1147
LACNIC Prefixes per ASN: 23.72
LACNIC Region origin ASes announcing only one prefix: 357
LACNIC Region transit ASes present in the Internet Routing Table: 189
Average LACNIC Region AS path length visible: 3.9
Max LACNIC Region AS path length visible: 19
Number of LACNIC addresses announced to Internet: 72487624
Equivalent to 4 /8s, 82 /16s and 18 /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: 6166
Total AfriNIC prefixes after maximum aggregation: 1474
AfriNIC Deaggregation factor: 4.18
Prefixes being announced from the AfriNIC address blocks: 6571
Unique aggregates announced from the AfriNIC address blocks: 2381
AfriNIC Region origin ASes present in the Internet Routing Table: 301
AfriNIC Prefixes per ASN: 21.83
AfriNIC Region origin ASes announcing only one prefix: 84
AfriNIC Region transit ASes present in the Internet Routing Table: 62
Average AfriNIC Region AS path length visible: 3.7
Max AfriNIC Region AS path length visible: 15
Number of AfriNIC addresses announced to Internet: 19579136
Equivalent to 1 /8s, 42 /16s and 193 /24s
Percentage of available AfriNIC address space announced: 58.4
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
17488 1543 137 103 Hathway IP Over Cable Interne
4766 1539 6934 409 Korea Telecom (KIX)
4755 1221 292 144 Videsh Sanchar Nigam Ltd. Aut
9583 1124 87 550 Sify Limited
4134 919 17321 375 CHINANET-BACKBONE
7545 810 198 102 TPG Internet Pty Ltd
9829 803 615 15 BSNL National Internet Backbo
18101 750 201 32 Reliance Infocom Ltd Internet
24560 724 230 181 Bharti Airtel Ltd.
17908 714 194 47 Tata Communications
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 4230 3641 321 bellsouth.net, inc.
20115 2122 1465 675 Charter Communications
4323 1892 1048 381 Time Warner Telecom
1785 1716 714 140 AppliedTheory Corporation
7018 1509 10010 1040 AT&T WorldNet Services
2386 1268 653 930 AT&T Data Communications Serv
6478 1246 276 307 AT&T Worldnet Services
3356 1201 10961 443 Level 3 Communications, LLC
11492 1128 208 12 Cable One
22773 1077 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 475 578 6 Uni2 Autonomous System
3292 469 1905 396 TDC Tele Danmark
3301 375 1684 309 TeliaNet Sweden
3320 352 7082 305 Deutsche Telekom AG
9198 351 138 12 Kazakhtelecom Corporate Sales
8997 344 152 8 SPBNIT-RU Autonomous System
3215 343 3065 108 France Telecom Transpac
8866 336 109 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 2125 316 88 Telecom Argentina Stet-France
8151 1492 2888 242 Uninet S.A. de C.V.
10620 976 219 108 TVCABLE BOGOTA
28573 650 581 36 Types of queries are: POCs, o
22047 543 302 14 Types of queries are: POCs, o
11830 489 309 56 Instituto Costarricense de El
11172 442 99 69 Alestra
6471 434 96 31 ENTEL CHILE S.A.
7738 426 862 30 Telecomunicacoes da Bahia S.A
16735 410 124 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 905 90 48 LINKdotNET AS number
20858 324 34 5 EgyNet
3741 277 856 237 The Internet Solution
2018 245 215 143 TENET-1
6713 175 166 16 Itissalat Al-MAGHRIB
33783 151 10 8 EEPAD TISP TELECOM & INTERNET
29571 140 15 8 Ci Telecom Autonomous system
24835 135 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 4230 3641 321 bellsouth.net, inc.
7303 2125 316 88 Telecom Argentina Stet-France
20115 2122 1465 675 Charter Communications
4323 1892 1048 381 Time Warner Telecom
1785 1716 714 140 AppliedTheory Corporation
17488 1543 137 103 Hathway IP Over Cable Interne
4766 1539 6934 409 Korea Telecom (KIX)
7018 1509 10010 1040 AT&T WorldNet Services
8151 1492 2888 242 Uninet S.A. de C.V.
2386 1268 653 930 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 2125 2037 Telecom Argentina Stet-France
1785 1716 1576 AppliedTheory Corporation
4323 1892 1511 Time Warner Telecom
20115 2122 1447 Charter Communications
17488 1543 1440 Hathway IP Over Cable Interne
8151 1492 1250 Uninet S.A. de C.V.
4766 1539 1130 Korea Telecom (KIX)
11492 1128 1116 Cable One
4755 1221 1077 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 /8:18 /9:10 /10:24 /11:58 /12:172
/13:353 /14:618 /15:1178 /16:10575 /17:4856 /18:8323
/19:17366 /20:20752 /21:20782 /22:27474 /23:26921 /24:155740
/25:601 /26:782 /27:318 /28:350 /29:621 /30:682
/31:4 /32:256
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2745 4230 bellsouth.net, inc.
7303 1611 2125 Telecom Argentina Stet-France
17488 1290 1543 Hathway IP Over Cable Interne
4766 1237 1539 Korea Telecom (KIX)
1785 1187 1716 AppliedTheory Corporation
20115 1140 2122 Charter Communications
11492 1054 1128 Cable One
18566 1043 1062 Covad Communications
2386 987 1268 AT&T Data Communications Serv
9583 977 1124 Sify Limited
Complete listing at http://thyme.apnic.net/rviews/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:14 8:213 12:2153 13:7 15:19 16:3
17:5 20:36 24:1168 32:151 34:2 38:582
40:98 41:1730 43:1 44:2 47:22 52:6
55:2 56:2 57:37 58:595 59:650 60:460
61:1080 62:1165 63:2034 64:3716 65:2405 66:3652
67:1678 68:887 69:2648 70:551 71:176 72:1667
73:2 74:1646 75:179 76:347 77:849 78:598
79:363 80:977 81:857 82:621 83:452 84:631
85:1074 86:379 87:674 88:361 89:1497 90:50
91:2444 92:380 93:1090 94:1070 95:1127 96:157
97:240 98:255 99:27 110:176 111:348 112:113
113:144 114:253 115:337 116:1123 117:542 118:339
119:731 120:147 121:785 122:1056 123:706 124:976
125:1378 128:225 129:233 130:128 131:410 132:74
133:10 134:186 135:40 136:225 137:165 138:167
139:94 140:449 141:122 142:384 143:366 144:360
145:48 146:392 147:156 148:516 149:302 150:207
151:193 152:145 153:154 154:2 155:275 156:167
157:302 158:118 159:343 160:289 161:156 162:275
163:164 164:475 165:522 166:467 167:361 168:707
169:172 170:507 171:42 172:10 173:323 174:260
178:1 186:110 187:174 188:353 189:629 190:3308
192:5818 193:4383 194:3433 195:2832 196:1122 198:3647
199:3368 200:5485 201:1419 202:7879 203:8295 204:3900
205:2265 206:2460 207:2736 208:3909 209:3440 210:2543
211:1151 212:1698 213:1701 214:83 215:29 216:4593
217:1369 218:407 219:482 220:1109 221:476 222:327
End of report