BGP Routing: 2011-02-20

The Border Gateway Protocol (BGP) is the protocol backing the core routing decisions on the Internet. It maintains a table of IP networks or 'prefixes' which designate network reachability among autonomous systems (AS). It is described as a path vector protocol. BGP does not use traditional Interior Gateway Protocol (IGP) metrics, but makes routing decisions based on path, network policies and/or rulesets. For this reason, it is more appropriately termed a reachability protocol rather than routing protocol.

Saturday, February 26, 2011

[bgp-stats] Routing Table Report - RouteViews-3 view

* BGP Routing Table Analysis Reports *
Routing Table Report 00:00 GMT Sun 27 Feb, 2011

NB: RouteViews data includes iBGP information from some ASNs.
Treat the information provided below appropriately.

Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/rviews/

Analysis Summary
----------------

BGP routing table entries examined: 352676
Prefixes after maximum aggregation: 158474
Deaggregation factor: 2.23
Unique aggregates announced to Internet: 171891
Total ASes present in the Internet Routing Table: 35977
Prefixes per ASN: 9.80
Origin-only ASes present in the Internet Routing Table: 31054
Origin ASes announcing only one prefix: 14912
Transit ASes present in the Internet Routing Table: 4923
Transit-only ASes present in the Internet Routing Table: 115
Average AS path length visible in the Internet Routing Table: 4.1
Max AS path length visible: 31
Max AS path prepend of ASN (36992) 29
Prefixes from unregistered ASNs in the Routing Table: 418
Unregistered ASNs in the Routing Table: 174
Number of 32-bit ASNs allocated by the RIRs: 1152
Prefixes from 32-bit ASNs in the Routing Table: 2
Special use prefixes present in the Routing Table: 73
Prefixes being announced from unallocated address space: 206
Number of addresses announced to Internet: 2366479294
Equivalent to 141 /8s, 13 /16s and 155 /24s
Percentage of available address space announced: 63.8
Percentage of allocated address space announced: 63.8
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 88.1
Total number of prefixes smaller than registry allocations: 145833

APNIC Region Analysis Summary
-----------------------------

Prefixes being announced by APNIC Region ASes: 84668
Total APNIC prefixes after maximum aggregation: 28429
APNIC Deaggregation factor: 2.98
Prefixes being announced from the APNIC address blocks: 81606
Unique aggregates announced from the APNIC address blocks: 35967
APNIC Region origin ASes present in the Internet Routing Table: 4326
APNIC Prefixes per ASN: 18.86
APNIC Region origin ASes announcing only one prefix: 1223
APNIC Region transit ASes present in the Internet Routing Table: 675
Average APNIC Region AS path length visible: 4.3
Max APNIC Region AS path length visible: 21
Number of APNIC addresses announced to Internet: 592089026
Equivalent to 35 /8s, 74 /16s and 143 /24s
Percentage of available APNIC address space announced: 75.1

APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079
55296-56319, 131072-132095
APNIC Address Blocks 1/8, 14/8, 27/8, 36/8, 39/8, 42/8, 43/8,
49/8, 58/8, 59/8, 60/8, 61/8, 101/8, 103/8,
106/8, 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, 133/8, 175/8, 180/8,
182/8, 183/8, 202/8, 203/8, 210/8, 211/8, 218/8,
219/8, 220/8, 221/8, 222/8, 223/8,

ARIN Region Analysis Summary
----------------------------

Prefixes being announced by ARIN Region ASes: 142544
Total ARIN prefixes after maximum aggregation: 73594
ARIN Deaggregation factor: 1.94
Prefixes being announced from the ARIN address blocks: 112989
Unique aggregates announced from the ARIN address blocks: 44977
ARIN Region origin ASes present in the Internet Routing Table: 14232
ARIN Prefixes per ASN: 7.94
ARIN Region origin ASes announcing only one prefix: 5382
ARIN Region transit ASes present in the Internet Routing Table: 1461
Average ARIN Region AS path length visible: 3.8
Max ARIN Region AS path length visible: 27
Number of ARIN addresses announced to Internet: 787573913
Equivalent to 46 /8s, 241 /16s and 108 /24s
Percentage of available ARIN address space announced: 62.6

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, 393216-394239
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, 23/8, 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, 50/8, 52/8,
53/8, 54/8, 55/8, 56/8, 57/8, 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, 100/8, 104/8, 107/8, 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: 85814
Total RIPE prefixes after maximum aggregation: 47115
RIPE Deaggregation factor: 1.82
Prefixes being announced from the RIPE address blocks: 78273
Unique aggregates announced from the RIPE address blocks: 49288
RIPE Region origin ASes present in the Internet Routing Table: 15372
RIPE Prefixes per ASN: 5.09
RIPE Region origin ASes announcing only one prefix: 7735
RIPE Region transit ASes present in the Internet Routing Table: 2367
Average RIPE Region AS path length visible: 4.2
Max RIPE Region AS path length visible: 25
Number of RIPE addresses announced to Internet: 461214780
Equivalent to 27 /8s, 125 /16s and 148 /24s
Percentage of available RIPE address space announced: 74.3

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, 56320-58367
196608-198655
RIPE Address Blocks 2/8, 5/8, 25/8, 31/8, 37/8, 46/8, 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,
176/8, 178/8, 185/8, 193/8, 194/8, 195/8, 212/8,
213/8, 217/8,

LACNIC Region Analysis Summary
------------------------------

Prefixes being announced by LACNIC Region ASes: 31913
Total LACNIC prefixes after maximum aggregation: 7402
LACNIC Deaggregation factor: 4.31
Prefixes being announced from the LACNIC address blocks: 30717
Unique aggregates announced from the LACNIC address blocks: 15887
LACNIC Region origin ASes present in the Internet Routing Table: 1438
LACNIC Prefixes per ASN: 21.36
LACNIC Region origin ASes announcing only one prefix: 438
LACNIC Region transit ASes present in the Internet Routing Table: 265
Average LACNIC Region AS path length visible: 4.9
Max LACNIC Region AS path length visible: 20
Number of LACNIC addresses announced to Internet: 80964236
Equivalent to 4 /8s, 211 /16s and 106 /24s
Percentage of available LACNIC address space announced: 53.6

LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
262144-263167 plus ERX transfers
LACNIC Address Blocks 177/8, 179/8, 181/8, 186/8, 187/8, 189/8, 190/8,
200/8, 201/8,

AfriNIC Region Analysis Summary
-------------------------------

Prefixes being announced by AfriNIC Region ASes: 7482
Total AfriNIC prefixes after maximum aggregation: 1823
AfriNIC Deaggregation factor: 4.10
Prefixes being announced from the AfriNIC address blocks: 5889
Unique aggregates announced from the AfriNIC address blocks: 1835
AfriNIC Region origin ASes present in the Internet Routing Table: 436
AfriNIC Prefixes per ASN: 13.51
AfriNIC Region origin ASes announcing only one prefix: 134
AfriNIC Region transit ASes present in the Internet Routing Table: 94
Average AfriNIC Region AS path length visible: 4.5
Max AfriNIC Region AS path length visible: 31
Number of AfriNIC addresses announced to Internet: 21889024
Equivalent to 1 /8s, 78 /16s and 0 /24s
Percentage of available AfriNIC address space announced: 32.6

AfriNIC AS Blocks 36864-37887, 327680-328703 & ERX transfers
AfriNIC Address Blocks 41/8, 102/8, 105/8, 197/8,

APNIC Region per AS prefix count summary
----------------------------------------

ASN No of nets /20 equiv MaxAgg Description
4766 1862 9493 585 Korea Telecom (KIX)
7545 1596 302 86 TPG Internet Pty Ltd
4755 1422 633 164 Videsh Sanchar Nigam Ltd. Aut
17974 1409 475 29 PT TELEKOMUNIKASI INDONESIA
24560 1115 323 184 Bharti Airtel Ltd.
9583 1045 77 488 Sify Limited
4808 988 2072 282 CNCGROUP IP network: China169
17488 955 161 102 Hathway IP Over Cable Interne
18101 931 117 139 Reliance Infocom Ltd Internet
9829 895 761 45 BSNL National Internet Backbo

Complete listing at http://thyme.rand.apnic.net/rviews/data-ASnet-APNIC

ARIN Region per AS prefix count summary
---------------------------------------

ASN No of nets /20 equiv MaxAgg Description
6389 3689 3855 261 bellsouth.net, inc.
4323 2598 1104 403 Time Warner Telecom
1785 1787 697 132 AppliedTheory Corporation
19262 1786 4938 284 Verizon Global Networks
20115 1578 1538 647 Charter Communications
6478 1517 296 112 AT&T Worldnet Services
18566 1447 321 156 Covad Communications
7018 1364 6714 889 AT&T WorldNet Services
2386 1294 538 937 AT&T Data Communications Serv
11492 1285 236 70 Cable One

Complete listing at http://thyme.rand.apnic.net/rviews/data-ASnet-ARIN

RIPE Region per AS prefix count summary
---------------------------------------

ASN No of nets /20 equiv MaxAgg Description
286 993 761 160 KPNQwest Backbone AS
9116 545 328 32 Goldenlines main autonomous s
6830 515 1780 319 UPC Distribution Services
3292 501 1996 389 TDC Tele Danmark
8866 480 135 27 Bulgarian Telecommunication C
9198 470 267 15 Kazakhtelecom Corporate Sales
34984 465 98 145 Tellcom Iletisim Hizmetleri
20940 415 97 320 Akamai Technologies European
3320 410 7620 357 Deutsche Telekom AG
8551 405 355 38 Bezeq International

Complete listing at http://thyme.rand.apnic.net/rviews/data-ASnet-RIPE

LACNIC Region per AS prefix count summary
-----------------------------------------

ASN No of nets /20 equiv MaxAgg Description
10620 1383 257 166 TVCABLE BOGOTA
8151 1344 2669 362 Uninet S.A. de C.V.
28573 1232 961 82 Types of queries are: POCs, o
6503 1173 354 73 AVANTEL, S.A.
7303 906 463 144 Telecom Argentina Stet-France
14420 641 57 94 Types of queries are: POCs, o
22047 543 310 15 Types of queries are: POCs, o
3816 509 221 101 COLOMBIA TELECOMUNICACIONES S
7738 478 922 30 Telecomunicacoes da Bahia S.A
27947 467 53 50 Telconet S.A

Complete listing at http://thyme.rand.apnic.net/rviews/data-ASnet-LACNIC

AfriNIC Region per AS prefix count summary
------------------------------------------

ASN No of nets /20 equiv MaxAgg Description
8452 772 445 11 TEDATA
24863 691 147 39 LINKdotNET AS number
15475 476 90 12 Nile Online
36992 300 271 14 Etisalat MISR
3741 264 987 226 The Internet Solution
33776 230 13 5 Starcomms Nigeria Limited
24835 218 78 10 RAYA Telecom - Egypt
6713 205 199 12 Itissalat Al-MAGHRIB
29571 192 17 11 Ci Telecom Autonomous system
16637 159 439 88 Johnnic e-Ventures

Complete listing at http://thyme.rand.apnic.net/rviews/data-ASnet-AFRINIC

Global Per AS prefix count summary
----------------------------------

ASN No of nets /20 equiv MaxAgg Description
6389 3689 3855 261 bellsouth.net, inc.
4323 2598 1104 403 Time Warner Telecom
4766 1862 9493 585 Korea Telecom (KIX)
1785 1787 697 132 AppliedTheory Corporation
19262 1786 4938 284 Verizon Global Networks
7545 1596 302 86 TPG Internet Pty Ltd
20115 1578 1538 647 Charter Communications
6478 1517 296 112 AT&T Worldnet Services
18566 1447 321 156 Covad Communications
4755 1422 633 164 Videsh Sanchar Nigam Ltd. Aut

Complete listing at http://thyme.rand.apnic.net/rviews/data-ASnet

Global Per AS Maximum Aggr summary
----------------------------------

ASN No of nets Net Savings Description
4323 2598 2195 Time Warner Telecom
1785 1787 1655 AppliedTheory Corporation
7545 1596 1510 TPG Internet Pty Ltd
19262 1786 1502 Verizon Global Networks
6478 1517 1405 AT&T Worldnet Services
17974 1409 1380 PT TELEKOMUNIKASI INDONESIA
18566 1447 1291 Covad Communications
4766 1862 1277 Korea Telecom (KIX)
4755 1422 1258 Videsh Sanchar Nigam Ltd. Aut
10620 1383 1217 TVCABLE BOGOTA

Complete listing at http://thyme.rand.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 4323 Time Warner Telecom
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 12.39.155.0/24 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.159.0/24 7018 AT&T WorldNet Servic
25639 UNALLOCATED 12.41.169.0/24 7018 AT&T WorldNet Servic

Complete listing at http://thyme.rand.apnic.net/rviews/data-badAS

Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------

Prefix Origin AS Description
10.29.244.56/29 286 KPNQwest Backbone AS
10.29.245.1/32 286 KPNQwest Backbone AS
10.29.245.2/32 286 KPNQwest Backbone AS
10.29.245.15/32 286 KPNQwest Backbone AS
10.29.245.19/32 286 KPNQwest Backbone AS
10.29.245.20/32 286 KPNQwest Backbone AS
10.29.245.21/32 286 KPNQwest Backbone AS
10.29.245.22/32 286 KPNQwest Backbone AS
10.29.245.25/32 286 KPNQwest Backbone AS
10.29.245.26/32 286 KPNQwest Backbone AS

Complete listing at http://thyme.rand.apnic.net/rviews/data-dsua

Advertised Unallocated Addresses
--------------------------------

Network Origin AS Description
5.0.0.0/16 12654 RIPE NCC RIS Project
5.1.0.0/21 12654 RIPE NCC RIS Project
5.1.24.0/24 12654 RIPE NCC RIS Project
24.129.192.0/19 7922 Continental Cablevision
37.0.0.0/16 12654 RIPE NCC RIS Project
37.1.0.0/21 12654 RIPE NCC RIS Project
37.1.24.0/24 12654 RIPE NCC RIS Project
41.57.192.0/18 22750 BCSNET
41.222.79.0/24 36938 >>UNKNOWN<<
41.223.92.0/22 36936 >>UNKNOWN<<

Complete listing at http://thyme.rand.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 /10:26 /11:73 /12:216
/13:444 /14:770 /15:1398 /16:11640 /17:5900 /18:9640
/19:19398 /20:25101 /21:25361 /22:33707 /23:32240 /24:183569
/25:396 /26:375 /27:212 /28:384 /29:342 /30:738
/31:48 /32:668

Advertised prefixes smaller than registry allocations
-----------------------------------------------------

ASN No of nets Total ann. Description
6389 2276 3689 bellsouth.net, inc.
6478 1471 1517 AT&T Worldnet Services
18566 1425 1447 Covad Communications
4323 1403 2598 Time Warner Telecom
10620 1274 1383 TVCABLE BOGOTA
11492 1242 1285 Cable One
7011 1056 1157 Citizens Utilities
1785 1054 1787 AppliedTheory Corporation
6503 955 1173 AVANTEL, S.A.
19262 899 1786 Verizon Global Networks

Complete listing at http://thyme.rand.apnic.net/rviews/data-sXXas-nos

Number of /24s announced per /8 block (Global)
----------------------------------------------

1:255 2:56 4:17 5:1 8:339 12:2029
13:1 14:413 15:15 16:3 17:8 20:9
23:1 24:1509 27:595 32:120 33:4 34:2
37:1 38:706 40:101 41:2315 44:3 46:645
47:4 49:153 50:96 52:12 55:2 56:2
57:42 58:865 59:477 60:384 61:1111 62:1067
63:1932 64:3869 65:2368 66:4265 67:1809 68:1200
69:2975 70:771 71:404 72:2025 73:3 74:2401
75:305 76:355 77:879 78:699 79:458 80:1069
81:819 82:534 83:484 84:647 85:1067 86:580
87:780 88:360 89:1609 90:157 91:3546 92:496
93:1058 94:1235 95:787 96:455 97:250 98:790
99:33 101:35 107:4 108:117 109:936 110:475
111:723 112:305 113:369 114:500 115:651 116:961
117:683 118:685 119:1027 120:250 121:696 122:1606
123:1056 124:1313 125:1260 128:263 129:159 130:173
131:560 132:108 133:20 134:221 135:49 136:215
137:146 138:295 139:126 140:490 141:203 142:356
143:383 144:482 145:51 146:439 147:212 148:634
149:263 150:169 151:230 152:298 153:180 154:3
155:376 156:176 157:345 158:128 159:381 160:315
161:207 162:276 163:153 164:486 165:359 166:503
167:410 168:739 169:160 170:756 171:69 172:2
173:1235 174:505 175:314 176:1 177:23 178:774
180:817 181:2 182:367 183:242 184:278 186:1019
187:831 188:898 189:1055 190:4432 192:5836 193:4828
194:3561 195:3101 196:1207 197:3 198:3600 199:3840
200:5549 201:1592 202:8448 203:8469 204:4084 205:2306
206:2658 207:3076 208:3942 209:3479 210:2650 211:1349
212:1965 213:1794 214:770 215:62 216:4879 217:1651
218:551 219:367 220:1205 221:453 222:339 223:104

End of report
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[bgp-stats] Routing Table Report - London view

* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Sun 27 Feb, 2011

Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/

Analysis Summary
----------------

BGP routing table entries examined: 342918
Prefixes after maximum aggregation: 156142
Deaggregation factor: 2.20
Unique aggregates announced to Internet: 171726
Total ASes present in the Internet Routing Table: 35787
Prefixes per ASN: 9.58
Origin-only ASes present in the Internet Routing Table: 30959
Origin ASes announcing only one prefix: 14956
Transit ASes present in the Internet Routing Table: 4828
Transit-only ASes present in the Internet Routing Table: 109
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 26
Max AS path prepend of ASN (32374) 19
Prefixes from unregistered ASNs in the Routing Table: 1330
Unregistered ASNs in the Routing Table: 268
Number of 32-bit ASNs allocated by the RIRs: 1152
Prefixes from 32-bit ASNs in the Routing Table: 1773
Special use prefixes present in the Routing Table: 6
Prefixes being announced from unallocated address space: 197
Number of addresses announced to Internet: 2383421696
Equivalent to 142 /8s, 16 /16s and 33 /24s
Percentage of available address space announced: 64.3
Percentage of allocated address space announced: 64.3
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 88.1
Total number of prefixes smaller than registry allocations: 140401

APNIC Region Analysis Summary
-----------------------------

Prefixes being announced by APNIC Region ASes: 82451
Total APNIC prefixes after maximum aggregation: 28163
APNIC Deaggregation factor: 2.93
Prefixes being announced from the APNIC address blocks: 80089
Unique aggregates announced from the APNIC address blocks: 35856
APNIC Region origin ASes present in the Internet Routing Table: 4290
APNIC Prefixes per ASN: 18.67
APNIC Region origin ASes announcing only one prefix: 1223
APNIC Region transit ASes present in the Internet Routing Table: 658
Average APNIC Region AS path length visible: 4.2
Max APNIC Region AS path length visible: 26
Number of APNIC addresses announced to Internet: 591563776
Equivalent to 35 /8s, 66 /16s and 140 /24s
Percentage of available APNIC address space announced: 75.0

ARIN Region Analysis Summary
----------------------------

Prefixes being announced by ARIN Region ASes: 136597
Total ARIN prefixes after maximum aggregation: 70052
ARIN Deaggregation factor: 1.95
Prefixes being announced from the ARIN address blocks: 109426
Unique aggregates announced from the ARIN address blocks: 45022
ARIN Region origin ASes present in the Internet Routing Table: 14120
ARIN Prefixes per ASN: 7.75
ARIN Region origin ASes announcing only one prefix: 5367
ARIN Region transit ASes present in the Internet Routing Table: 1384
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 22
Number of ARIN addresses announced to Internet: 787488768
Equivalent to 46 /8s, 240 /16s and 32 /24s
Percentage of available ARIN address space announced: 62.6

RIPE Region Analysis Summary
----------------------------

Prefixes being announced by RIPE Region ASes: 82669
Total RIPE prefixes after maximum aggregation: 46726
RIPE Deaggregation factor: 1.77
Prefixes being announced from the RIPE address blocks: 75939
Unique aggregates announced from the RIPE address blocks: 49332
RIPE Region origin ASes present in the Internet Routing Table: 15351
RIPE Prefixes per ASN: 4.95
RIPE Region origin ASes announcing only one prefix: 7789
RIPE Region transit ASes present in the Internet Routing Table: 2380
Average RIPE Region AS path length visible: 3.5
Max RIPE Region AS path length visible: 25
Number of RIPE addresses announced to Internet: 461032448
Equivalent to 27 /8s, 122 /16s and 204 /24s
Percentage of available RIPE address space announced: 74.3

LACNIC Region Analysis Summary
------------------------------

Prefixes being announced by LACNIC Region ASes: 31315
Total LACNIC prefixes after maximum aggregation: 7269
LACNIC Deaggregation factor: 4.31
Prefixes being announced from the LACNIC address blocks: 30302
Unique aggregates announced from the LACNIC address blocks: 15917
LACNIC Region origin ASes present in the Internet Routing Table: 1423
LACNIC Prefixes per ASN: 21.29
LACNIC Region origin ASes announcing only one prefix: 443
LACNIC Region transit ASes present in the Internet Routing Table: 254
Average LACNIC Region AS path length visible: 4.0
Max LACNIC Region AS path length visible: 19
Number of LACNIC addresses announced to Internet: 80931072
Equivalent to 4 /8s, 210 /16s and 233 /24s
Percentage of available LACNIC address space announced: 53.6

LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
262144-263167 plus ERX transfers
LACNIC Address Blocks 177/8, 179/8, 181/8, 186/8, 187/8, 189/8, 190/8,
200/8, 201/8,

AfriNIC Region Analysis Summary
-------------------------------

Prefixes being announced by AfriNIC Region ASes: 7444
Total AfriNIC prefixes after maximum aggregation: 1818
AfriNIC Deaggregation factor: 4.09
Prefixes being announced from the AfriNIC address blocks: 5860
Unique aggregates announced from the AfriNIC address blocks: 1833
AfriNIC Region origin ASes present in the Internet Routing Table: 436
AfriNIC Prefixes per ASN: 13.44
AfriNIC Region origin ASes announcing only one prefix: 134
AfriNIC Region transit ASes present in the Internet Routing Table: 93
Average AfriNIC Region AS path length visible: 3.4
Max AfriNIC Region AS path length visible: 17
Number of AfriNIC addresses announced to Internet: 21880576
Equivalent to 1 /8s, 77 /16s and 223 /24s
Percentage of available AfriNIC address space announced: 32.6

AfriNIC AS Blocks 36864-37887, 327680-328703 & ERX transfers
AfriNIC Address Blocks 41/8, 102/8, 105/8, 197/8,

APNIC Region per AS prefix count summary
----------------------------------------

ASN No of nets /20 equiv MaxAgg Description
4766 1865 9493 587 Korea Telecom (KIX)
7545 1595 302 85 TPG Internet Pty Ltd
4755 1409 637 158 TATA Communications formerly
17974 1407 467 30 PT Telekomunikasi Indonesia
24560 1115 323 184 Bharti Airtel Ltd., Telemedia
9583 1044 76 487 Sify Limited
4808 943 2034 271 CNCGROUP IP network China169
17488 938 161 102 Hathway IP Over Cable Interne
18101 910 115 139 Reliance Infocom Ltd Internet
9829 895 761 45 National Internet Backbone

Complete listing at http://thyme.rand.apnic.net/london/data-ASnet-APNIC

ARIN Region per AS prefix count summary
---------------------------------------

ASN No of nets /20 equiv MaxAgg Description
6389 3690 3855 262 BellSouth.net Inc.
4323 2602 1125 404 tw telecom holdings, inc.
1785 1789 697 131 PaeTec Communications, Inc.
19262 1787 4954 285 Verizon Online LLC
20115 1528 1535 647 Charter Communications
6478 1517 296 112 AT&T Services, Inc.
18566 1444 320 155 Covad Communications Co.
7018 1376 6724 900 AT&T Services, Inc.
2386 1294 538 937 AT&T Data Communications Serv
11492 1285 236 70 CABLE ONE, INC.

Complete listing at http://thyme.rand.apnic.net/london/data-ASnet-ARIN

RIPE Region per AS prefix count summary
---------------------------------------

ASN No of nets /20 equiv MaxAgg Description
9116 542 328 31 Goldenlines main autonomous s
6830 512 1780 318 UPC Broadband
9198 470 267 15 Kazakhtelecom Data Network Ad
34984 465 98 145 BILISIM TELEKOM
3292 447 1996 388 TDC Data Networks
8866 442 133 23 Bulgarian Telecommunication C
20940 415 98 319 Akamai Technologies European
3320 409 7620 356 Deutsche Telekom AG
8551 405 355 38 Bezeq International
702 400 1803 314 >>UNKNOWN<<

Complete listing at http://thyme.rand.apnic.net/london/data-ASnet-RIPE

LACNIC Region per AS prefix count summary
-----------------------------------------

ASN No of nets /20 equiv MaxAgg Description
10620 1383 257 166 Types of queries are: POCs, o
28573 1214 961 82 Types of queries are: POCs, o
8151 1212 2666 357 Uninet S.A. de C.V.
6503 1161 354 74 Axtel, S.A.B. de C.V.
7303 883 463 132 Telecom Argentina S.A.
14420 641 57 94 CORPORACION NACIONAL DE TELEC
22047 543 310 15 Types of queries are: POCs, o
3816 510 221 100 Types of queries are: POCs, o
7738 478 922 30 Telecomunicacoes da Bahia S.A
14117 476 37 42 Telefonica del Sur S.A.

Complete listing at http://thyme.rand.apnic.net/london/data-ASnet-LACNIC

AfriNIC Region per AS prefix count summary
------------------------------------------

ASN No of nets /20 equiv MaxAgg Description
8452 768 445 11 TEDATA
24863 689 147 37 LINKdotNET AS number
15475 474 90 12 Nile Online
36992 300 271 14 Etisalat MISR
3741 264 987 226 The Internet Solution
33776 230 13 5 Starcomms Nigeria Limited
24835 218 78 10 RAYA Telecom - Egypt
6713 205 199 12 Itissalat Al-MAGHRIB
29571 192 17 11 Ci Telecom Autonomous system
16637 156 439 88 MTN Network Solutions

Complete listing at http://thyme.rand.apnic.net/london/data-ASnet-AFRINIC

Global Per AS prefix count summary
----------------------------------

ASN No of nets /20 equiv MaxAgg Description
6389 3690 3855 262 BellSouth.net Inc.
4323 2602 1125 404 tw telecom holdings, inc.
4766 1865 9493 587 Korea Telecom (KIX)
1785 1789 697 131 PaeTec Communications, Inc.
19262 1787 4954 285 Verizon Online LLC
23456 1773 444 1004 32-bit ASN transition
7545 1595 302 85 TPG Internet Pty Ltd
20115 1528 1535 647 Charter Communications
6478 1517 296 112 AT&T Services, Inc.
18566 1444 320 155 Covad Communications Co.

Complete listing at http://thyme.rand.apnic.net/london/data-ASnet

Global Per AS Maximum Aggr summary
----------------------------------

ASN No of nets Net Savings Description
4323 2602 2198 tw telecom holdings, inc.
1785 1789 1658 PaeTec Communications, Inc.
7545 1595 1510 TPG Internet Pty Ltd
19262 1787 1502 Verizon Online LLC
6478 1517 1405 AT&T Services, Inc.
17974 1407 1377 PT Telekomunikasi Indonesia
18566 1444 1289 Covad Communications Co.
4766 1865 1278 Korea Telecom (KIX)
4755 1409 1251 TATA Communications formerly
10620 1383 1217 Types of queries are: POCs, o

Complete listing at http://thyme.rand.apnic.net/london/data-CIDRnet

List of Unregistered Origin ASNs (Global)
-----------------------------------------

Bad AS Designation Network Transit AS Description
65333 PRIVATE 10.0.0.0/8 0 *
16927 UNALLOCATED 12.0.252.0/23 7018 AT&T Services, Inc.
32805 UNALLOCATED 12.1.225.0/24 7018 AT&T Services, Inc.
15132 UNALLOCATED 12.9.150.0/24 7018 AT&T Services, Inc.
32567 UNALLOCATED 12.14.170.0/24 7018 AT&T Services, Inc.
16504 UNALLOCATED 12.18.155.0/24 30170 Optic Fusion
13746 UNALLOCATED 12.24.56.0/24 7018 AT&T Services, Inc.
32567 UNALLOCATED 12.25.107.0/24 4323 tw telecom holdings,
30031 UNALLOCATED 12.27.122.0/24 7018 AT&T Services, Inc.
26095 UNALLOCATED 12.34.8.0/24 7018 AT&T Services, Inc.

Complete listing at http://thyme.rand.apnic.net/london/data-badAS

Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------

Prefix Origin AS Description
10.0.0.0/8 65333 Internet Assigned Numbers Aut
169.254.0.0/16 65333 Internet Assigned Numbers Aut
172.16.0.0/12 65333 Internet Assigned Numbers Aut
192.0.2.0/24 65333 Internet Assigned Numbers Aut
192.168.0.0/16 0 *
198.18.0.0/15 65333 Internet Assigned Numbers Aut

Complete listing at http://thyme.rand.apnic.net/london/data-dsua

Advertised Unallocated Addresses
--------------------------------

Network Origin AS Description
5.0.0.0/16 12654 RIPE NCC RIS Project
5.1.0.0/21 12654 RIPE NCC RIS Project
5.1.24.0/24 12654 RIPE NCC RIS Project
24.129.192.0/19 7922 Comcast Cable Communications,
37.0.0.0/16 12654 RIPE NCC RIS Project
37.1.0.0/21 12654 RIPE NCC RIS Project
37.1.24.0/24 12654 RIPE NCC RIS Project
41.57.192.0/18 22750 BCSNET
41.222.79.0/24 36938 >>UNKNOWN<<
41.223.92.0/22 36936 >>UNKNOWN<<

Complete listing at http://thyme.rand.apnic.net/london/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 /10:26 /11:72 /12:216
/13:443 /14:764 /15:1370 /16:11496 /17:5635 /18:9315
/19:18984 /20:24452 /21:24893 /22:33182 /23:31521 /24:180069
/25:11 /26:17 /27:25 /28:155 /29:95 /30:43
/31:0 /32:104

Advertised prefixes smaller than registry allocations
-----------------------------------------------------

ASN No of nets Total ann. Description
6389 2276 3690 BellSouth.net Inc.
6478 1471 1517 AT&T Services, Inc.
18566 1422 1444 Covad Communications Co.
4323 1401 2602 tw telecom holdings, inc.
10620 1274 1383 Types of queries are: POCs, o
11492 1242 1285 CABLE ONE, INC.
7011 1056 1157 Frontier Communications of Am
1785 1054 1789 PaeTec Communications, Inc.
23456 1019 1773 32-bit ASN transition
6503 943 1161 Axtel, S.A.B. de C.V.

Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos

Number of /24s announced per /8 block (Global)
----------------------------------------------

1:253 2:39 4:13 5:1 8:334 12:2025
13:1 14:390 15:15 16:3 17:8 20:9
23:1 24:1493 27:591 32:56 33:4 34:2
37:1 38:701 40:101 41:2312 44:3 46:643
47:4 49:153 50:96 52:12 55:2 56:2
57:28 58:761 59:473 60:382 61:1005 62:1041
63:1920 64:3819 65:2361 66:4246 67:1783 68:1044
69:2870 70:729 71:399 72:1991 73:1 74:2345
75:292 76:347 77:871 78:695 79:446 80:1063
81:812 82:525 83:475 84:636 85:1047 86:576
87:757 88:355 89:1574 90:157 91:3541 92:495
93:1050 94:1205 95:772 96:450 97:250 98:783
99:33 101:31 107:4 108:117 109:928 110:473
111:715 112:297 113:369 114:477 115:641 116:929
117:678 118:678 119:1019 120:245 121:674 122:1601
123:1044 124:1273 125:1254 128:210 129:150 130:167
131:556 132:101 133:20 134:212 135:49 136:212
137:143 138:294 139:115 140:467 141:203 142:338
143:379 144:479 145:51 146:432 147:199 148:612
149:261 150:161 151:230 152:295 153:180 154:2
155:376 156:173 157:315 158:128 159:374 160:314
161:198 162:275 163:143 164:485 165:339 166:502
167:409 168:733 169:155 170:752 171:69 172:2
173:1223 174:501 175:313 176:1 177:22 178:768
180:806 181:2 182:352 183:242 184:213 186:1018
187:825 188:898 189:1051 190:4403 192:5751 193:4789
194:3493 195:2951 196:1199 197:3 198:3506 199:3801
200:5572 201:1574 202:8054 203:8333 204:4008 205:2281
206:2541 207:2997 208:3923 209:3443 210:2595 211:1340
212:1921 213:1736 214:772 215:62 216:4833 217:1642
218:535 219:364 220:1187 221:436 222:309 223:100

End of report
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[bgp-stats] Routing Table Report - Japan view

* BGP Routing Table Analysis Reports *
Routing Table Report 04:00 +10GMT Sun 27 Feb, 2011

Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/

Analysis Summary
----------------

BGP routing table entries examined: 348099
Prefixes after maximum aggregation: 157153
Deaggregation factor: 2.22
Unique aggregates announced to Internet: 171857
Total ASes present in the Internet Routing Table: 35931
Prefixes per ASN: 9.69
Origin-only ASes present in the Internet Routing Table: 30968
Origin ASes announcing only one prefix: 14941
Transit ASes present in the Internet Routing Table: 4963
Transit-only ASes present in the Internet Routing Table: 120
Average AS path length visible in the Internet Routing Table: 4.3
Max AS path length visible: 31
Max AS path prepend of ASN (36992) 29
Prefixes from unregistered ASNs in the Routing Table: 344
Unregistered ASNs in the Routing Table: 143
Number of 32-bit ASNs allocated by the RIRs: 1152
Prefixes from 32-bit ASNs in the Routing Table: 2
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 199
Number of addresses announced to Internet: 2366214368
Equivalent to 141 /8s, 9 /16s and 144 /24s
Percentage of available address space announced: 63.8
Percentage of allocated address space announced: 63.8
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 88.1
Total number of prefixes smaller than registry allocations: 144196

APNIC Region Analysis Summary
-----------------------------

Prefixes being announced by APNIC Region ASes: 86606
Total APNIC prefixes after maximum aggregation: 29548
APNIC Deaggregation factor: 2.93
Prefixes being announced from the APNIC address blocks: 83407
Unique aggregates announced from the APNIC address blocks: 35932
APNIC Region origin ASes present in the Internet Routing Table: 4334
APNIC Prefixes per ASN: 19.24
APNIC Region origin ASes announcing only one prefix: 1203
APNIC Region transit ASes present in the Internet Routing Table: 690
Average APNIC Region AS path length visible: 4.4
Max APNIC Region AS path length visible: 18
Number of APNIC addresses announced to Internet: 592200224
Equivalent to 35 /8s, 76 /16s and 66 /24s
Percentage of available APNIC address space announced: 75.1

ARIN Region Analysis Summary
----------------------------

Prefixes being announced by ARIN Region ASes: 139637
Total ARIN prefixes after maximum aggregation: 71552
ARIN Deaggregation factor: 1.95
Prefixes being announced from the ARIN address blocks: 110357
Unique aggregates announced from the ARIN address blocks: 45050
ARIN Region origin ASes present in the Internet Routing Table: 14202
ARIN Prefixes per ASN: 7.77
ARIN Region origin ASes announcing only one prefix: 5387
ARIN Region transit ASes present in the Internet Routing Table: 1471
Average ARIN Region AS path length visible: 4.0
Max ARIN Region AS path length visible: 24
Number of ARIN addresses announced to Internet: 787509376
Equivalent to 46 /8s, 240 /16s and 112 /24s
Percentage of available ARIN address space announced: 62.6

RIPE Region Analysis Summary
----------------------------

Prefixes being announced by RIPE Region ASes: 82362
Total RIPE prefixes after maximum aggregation: 46749
RIPE Deaggregation factor: 1.76
Prefixes being announced from the RIPE address blocks: 75642
Unique aggregates announced from the RIPE address blocks: 49337
RIPE Region origin ASes present in the Internet Routing Table: 15346
RIPE Prefixes per ASN: 4.93
RIPE Region origin ASes announcing only one prefix: 7784
RIPE Region transit ASes present in the Internet Routing Table: 2386
Average RIPE Region AS path length visible: 4.6
Max RIPE Region AS path length visible: 30
Number of RIPE addresses announced to Internet: 461011776
Equivalent to 27 /8s, 122 /16s and 123 /24s
Percentage of available RIPE address space announced: 74.3

LACNIC Region Analysis Summary
------------------------------

Prefixes being announced by LACNIC Region ASes: 31817
Total LACNIC prefixes after maximum aggregation: 7380
LACNIC Deaggregation factor: 4.31
Prefixes being announced from the LACNIC address blocks: 30632
Unique aggregates announced from the LACNIC address blocks: 15897
LACNIC Region origin ASes present in the Internet Routing Table: 1434
LACNIC Prefixes per ASN: 21.36
LACNIC Region origin ASes announcing only one prefix: 434
LACNIC Region transit ASes present in the Internet Routing Table: 264
Average LACNIC Region AS path length visible: 4.4
Max LACNIC Region AS path length visible: 19
Number of LACNIC addresses announced to Internet: 80952192
Equivalent to 4 /8s, 211 /16s and 59 /24s
Percentage of available LACNIC address space announced: 53.6

LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
262144-263167 plus ERX transfers
LACNIC Address Blocks 177/8, 179/8, 181/8, 186/8, 187/8, 189/8, 190/8,
200/8, 201/8,

AfriNIC Region Analysis Summary
-------------------------------

Prefixes being announced by AfriNIC Region ASes: 7464
Total AfriNIC prefixes after maximum aggregation: 1813
AfriNIC Deaggregation factor: 4.12
Prefixes being announced from the AfriNIC address blocks: 5882
Unique aggregates announced from the AfriNIC address blocks: 1836
AfriNIC Region origin ASes present in the Internet Routing Table: 437
AfriNIC Prefixes per ASN: 13.46
AfriNIC Region origin ASes announcing only one prefix: 133
AfriNIC Region transit ASes present in the Internet Routing Table: 93
Average AfriNIC Region AS path length visible: 5.4
Max AfriNIC Region AS path length visible: 31
Number of AfriNIC addresses announced to Internet: 21887488
Equivalent to 1 /8s, 77 /16s and 250 /24s
Percentage of available AfriNIC address space announced: 32.6

AfriNIC AS Blocks 36864-37887, 327680-328703 & ERX transfers
AfriNIC Address Blocks 41/8, 102/8, 105/8, 197/8,

APNIC Region per AS prefix count summary
----------------------------------------

ASN No of nets /20 equiv MaxAgg Description
4766 2421 9501 886 Korea Telecom (KIX)
7545 1615 302 86 TPG Internet Pty Ltd
4755 1419 634 164 TATA Communications formerly
17974 1408 475 29 PT TELEKOMUNIKASI INDONESIA
24560 1115 323 184 Bharti Airtel Ltd., Telemedia
9583 1045 77 488 Sify Limited
4808 1042 2142 290 CNCGROUP IP network: China169
17488 940 161 102 Hathway IP Over Cable Interne
18101 931 117 139 Reliance Infocom Ltd Internet
9829 895 761 45 BSNL National Internet Backbo

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-APNIC

ARIN Region per AS prefix count summary
---------------------------------------

ASN No of nets /20 equiv MaxAgg Description
6389 3689 3855 261 bellsouth.net, inc.
4323 2603 1109 403 Time Warner Telecom
19262 1787 4954 285 Verizon Global Networks
1785 1786 697 131 PaeTec Communications, Inc.
20115 1528 1535 647 Charter Communications
6478 1517 296 112 AT&T Worldnet Services
18566 1447 321 156 Covad Communications
7018 1357 6689 881 AT&T WorldNet Services
2386 1292 537 935 AT&T Data Communications Serv
11492 1285 236 70 Cable One

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-ARIN

RIPE Region per AS prefix count summary
---------------------------------------

ASN No of nets /20 equiv MaxAgg Description
6830 514 1780 319 UPC Distribution Services
9198 470 267 15 Kazakhtelecom Data Network Ad
34984 465 98 145 BILISIM TELEKOM
3292 447 1996 388 TDC Tele Danmark
8866 442 133 23 Bulgarian Telecommunication C
20940 412 98 316 Akamai Technologies European
3320 410 7620 357 Deutsche Telekom AG
8551 403 353 46 Bezeq International
702 394 1800 308 UUNET - Commercial IP service
3301 383 1822 341 TeliaNet Sweden

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-RIPE

LACNIC Region per AS prefix count summary
-----------------------------------------

ASN No of nets /20 equiv MaxAgg Description
10620 1383 257 166 TVCABLE BOGOTA
8151 1346 2685 362 UniNet S.A. de C.V.
28573 1233 961 82 NET Servicos de Comunicao S.A
6503 1171 354 73 AVANTEL, S.A.
7303 906 463 144 Telecom Argentina Stet-France
14420 641 57 94 CORPORACION NACIONAL DE TELEC
22047 543 310 15 VTR PUNTO NET S.A.
3816 508 221 101 Empresa Nacional de Telecomun
7738 478 922 30 Telecomunicacoes da Bahia S.A
11172 463 83 82 Servicios Alestra S.A de C.V

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-LACNIC

AfriNIC Region per AS prefix count summary
------------------------------------------

ASN No of nets /20 equiv MaxAgg Description
8452 770 445 11 TEDATA
24863 692 147 39 LINKdotNET AS number
15475 473 90 12 Nile Online
36992 300 271 14 Etisalat MISR
3741 264 987 226 The Internet Solution
33776 230 13 5 Starcomms Nigeria Limited
24835 218 78 10 RAYA Telecom - Egypt
6713 205 199 12 Itissalat Al-MAGHRIB
29571 192 17 11 Ci Telecom Autonomous system
16637 155 439 89 MTN Network Solutions

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-AFRINIC

Global Per AS prefix count summary
----------------------------------

ASN No of nets /20 equiv MaxAgg Description
6389 3689 3855 261 bellsouth.net, inc.
4323 2603 1109 403 Time Warner Telecom
4766 2421 9501 886 Korea Telecom (KIX)
19262 1787 4954 285 Verizon Global Networks
1785 1786 697 131 PaeTec Communications, Inc.
7545 1615 302 86 TPG Internet Pty Ltd
20115 1528 1535 647 Charter Communications
6478 1517 296 112 AT&T Worldnet Services
18566 1447 321 156 Covad Communications
4755 1419 634 164 TATA Communications formerly

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet

Global Per AS Maximum Aggr summary
----------------------------------

ASN No of nets Net Savings Description
4323 2603 2200 Time Warner Telecom
1785 1786 1655 PaeTec Communications, Inc.
4766 2421 1535 Korea Telecom (KIX)
7545 1615 1529 TPG Internet Pty Ltd
19262 1787 1502 Verizon Global Networks
6478 1517 1405 AT&T Worldnet Services
17974 1408 1379 PT TELEKOMUNIKASI INDONESIA
18566 1447 1291 Covad Communications
4755 1419 1255 TATA Communications formerly
10620 1383 1217 TVCABLE BOGOTA

Complete listing at http://thyme.rand.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 4323 Time Warner Telecom
13746 UNALLOCATED 12.24.56.0/24 7018 AT&T WorldNet Servic
32567 UNALLOCATED 12.25.107.0/24 4323 Time Warner Telecom
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 12.39.155.0/24 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.159.0/24 7018 AT&T WorldNet Servic
25639 UNALLOCATED 12.41.169.0/24 7018 AT&T WorldNet Servic

Complete listing at http://thyme.rand.apnic.net/current/data-badAS

Advertised Unallocated Addresses
--------------------------------

Complete listing at http://thyme.rand.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 /10:26 /11:72 /12:215
/13:444 /14:765 /15:1371 /16:11524 /17:5667 /18:9352
/19:18902 /20:24440 /21:24985 /22:33320 /23:31702 /24:181860
/25:1145 /26:1377 /27:708 /28:168 /29:16 /30:3
/31:0 /32:8

Advertised prefixes smaller than registry allocations
-----------------------------------------------------

ASN No of nets Total ann. Description
6389 2276 3689 bellsouth.net, inc.
6478 1471 1517 AT&T Worldnet Services
18566 1425 1447 Covad Communications
4323 1403 2603 Time Warner Telecom
10620 1274 1383 TVCABLE BOGOTA
11492 1242 1285 Cable One
7011 1056 1157 Citizens Utilities
1785 1054 1786 PaeTec Communications, Inc.
6503 953 1171 AVANTEL, S.A.
19262 899 1787 Verizon Global Networks

Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos

Number of /24s announced per /8 block (Global)
----------------------------------------------

1:255 2:41 4:13 5:1 8:334 12:2028
13:1 14:414 15:15 16:3 17:8 20:9
23:1 24:1495 27:596 32:60 33:4 34:2
37:1 38:704 40:101 41:2313 44:3 46:643
47:4 49:154 50:95 52:12 55:2 56:2
57:31 58:865 59:475 60:383 61:1108 62:1043
63:1926 64:3843 65:2364 66:4255 67:1783 68:1045
69:2870 70:730 71:399 72:1992 73:1 74:2348
75:292 76:346 77:870 78:696 79:445 80:1062
81:812 82:522 83:472 84:636 85:1046 86:576
87:744 88:355 89:1578 90:157 91:3541 92:494
93:1048 94:1195 95:773 96:455 97:250 98:784
99:33 101:35 107:4 108:117 109:929 110:475
111:723 112:315 113:368 114:500 115:651 116:938
117:682 118:685 119:1025 120:247 121:696 122:1623
123:1056 124:1291 125:1259 128:262 129:156 130:173
131:566 132:106 133:20 134:220 135:49 136:215
137:144 138:294 139:117 140:490 141:203 142:355
143:383 144:483 145:51 146:439 147:201 148:632
149:263 150:169 151:229 152:298 153:180 154:3
155:376 156:176 157:344 158:128 159:381 160:315
161:207 162:275 163:153 164:486 165:340 166:502
167:410 168:739 169:155 170:756 171:69 172:2
173:1223 174:501 175:314 176:1 177:23 178:768
180:816 181:2 182:363 183:242 184:213 186:1015
187:826 188:894 189:1056 190:4423 192:5796 193:4801
194:3507 195:2963 196:1198 197:3 198:3585 199:3836
200:5591 201:1579 202:8285 203:8453 204:4081 205:2298
206:2646 207:3074 208:3927 209:3473 210:2643 211:1348
212:1934 213:1736 214:771 215:62 216:4872 217:1642
218:547 219:366 220:1202 221:452 222:314 223:104

End of report
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Friday, February 25, 2011

[bgp-stats] Routing Table Report - RouteViews-3 view

* BGP Routing Table Analysis Reports *
Routing Table Report 00:00 GMT Sat 26 Feb, 2011

NB: RouteViews data includes iBGP information from some ASNs.
Treat the information provided below appropriately.

Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/rviews/

Analysis Summary
----------------

BGP routing table entries examined: 352866
Prefixes after maximum aggregation: 158504
Deaggregation factor: 2.23
Unique aggregates announced to Internet: 171932
Total ASes present in the Internet Routing Table: 35984
Prefixes per ASN: 9.81
Origin-only ASes present in the Internet Routing Table: 31062
Origin ASes announcing only one prefix: 14922
Transit ASes present in the Internet Routing Table: 4922
Transit-only ASes present in the Internet Routing Table: 116
Average AS path length visible in the Internet Routing Table: 4.1
Max AS path length visible: 31
Max AS path prepend of ASN (36992) 29
Prefixes from unregistered ASNs in the Routing Table: 416
Unregistered ASNs in the Routing Table: 172
Number of 32-bit ASNs allocated by the RIRs: 1141
Prefixes from 32-bit ASNs in the Routing Table: 2
Special use prefixes present in the Routing Table: 73
Prefixes being announced from unallocated address space: 209
Number of addresses announced to Internet: 2366584510
Equivalent to 141 /8s, 15 /16s and 54 /24s
Percentage of available address space announced: 63.9
Percentage of allocated address space announced: 63.9
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 88.1
Total number of prefixes smaller than registry allocations: 145902

APNIC Region Analysis Summary
-----------------------------

Prefixes being announced by APNIC Region ASes: 84707
Total APNIC prefixes after maximum aggregation: 28423
APNIC Deaggregation factor: 2.98
Prefixes being announced from the APNIC address blocks: 81646
Unique aggregates announced from the APNIC address blocks: 35962
APNIC Region origin ASes present in the Internet Routing Table: 4320
APNIC Prefixes per ASN: 18.90
APNIC Region origin ASes announcing only one prefix: 1218
APNIC Region transit ASes present in the Internet Routing Table: 676
Average APNIC Region AS path length visible: 4.2
Max APNIC Region AS path length visible: 19
Number of APNIC addresses announced to Internet: 592087746
Equivalent to 35 /8s, 74 /16s and 138 /24s
Percentage of available APNIC address space announced: 75.1

ARIN Region Analysis Summary
----------------------------

Prefixes being announced by ARIN Region ASes: 142676
Total ARIN prefixes after maximum aggregation: 73621
ARIN Deaggregation factor: 1.94
Prefixes being announced from the ARIN address blocks: 113076
Unique aggregates announced from the ARIN address blocks: 44956
ARIN Region origin ASes present in the Internet Routing Table: 14241
ARIN Prefixes per ASN: 7.94
ARIN Region origin ASes announcing only one prefix: 5390
ARIN Region transit ASes present in the Internet Routing Table: 1461
Average ARIN Region AS path length visible: 3.9
Max ARIN Region AS path length visible: 27
Number of ARIN addresses announced to Internet: 787562905
Equivalent to 46 /8s, 241 /16s and 65 /24s
Percentage of available ARIN address space announced: 62.6

RIPE Region Analysis Summary
----------------------------

Prefixes being announced by RIPE Region ASes: 85804
Total RIPE prefixes after maximum aggregation: 47113
RIPE Deaggregation factor: 1.82
Prefixes being announced from the RIPE address blocks: 78256
Unique aggregates announced from the RIPE address blocks: 49300
RIPE Region origin ASes present in the Internet Routing Table: 15377
RIPE Prefixes per ASN: 5.09
RIPE Region origin ASes announcing only one prefix: 7744
RIPE Region transit ASes present in the Internet Routing Table: 2364
Average RIPE Region AS path length visible: 4.1
Max RIPE Region AS path length visible: 25
Number of RIPE addresses announced to Internet: 461305916
Equivalent to 27 /8s, 126 /16s and 248 /24s
Percentage of available RIPE address space announced: 74.3

LACNIC Region Analysis Summary
------------------------------

Prefixes being announced by LACNIC Region ASes: 31958
Total LACNIC prefixes after maximum aggregation: 7417
LACNIC Deaggregation factor: 4.31
Prefixes being announced from the LACNIC address blocks: 30760
Unique aggregates announced from the LACNIC address blocks: 15934
LACNIC Region origin ASes present in the Internet Routing Table: 1437
LACNIC Prefixes per ASN: 21.41
LACNIC Region origin ASes announcing only one prefix: 438
LACNIC Region transit ASes present in the Internet Routing Table: 266
Average LACNIC Region AS path length visible: 4.9
Max LACNIC Region AS path length visible: 20
Number of LACNIC addresses announced to Internet: 80976268
Equivalent to 4 /8s, 211 /16s and 153 /24s
Percentage of available LACNIC address space announced: 53.6

LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
262144-263167 plus ERX transfers
LACNIC Address Blocks 177/8, 179/8, 181/8, 186/8, 187/8, 189/8, 190/8,
200/8, 201/8,

AfriNIC Region Analysis Summary
-------------------------------

Prefixes being announced by AfriNIC Region ASes: 7467
Total AfriNIC prefixes after maximum aggregation: 1817
AfriNIC Deaggregation factor: 4.11
Prefixes being announced from the AfriNIC address blocks: 5875
Unique aggregates announced from the AfriNIC address blocks: 1835
AfriNIC Region origin ASes present in the Internet Routing Table: 433
AfriNIC Prefixes per ASN: 13.57
AfriNIC Region origin ASes announcing only one prefix: 132
AfriNIC Region transit ASes present in the Internet Routing Table: 95
Average AfriNIC Region AS path length visible: 4.4
Max AfriNIC Region AS path length visible: 31
Number of AfriNIC addresses announced to Internet: 21886976
Equivalent to 1 /8s, 77 /16s and 248 /24s
Percentage of available AfriNIC address space announced: 32.6

AfriNIC AS Blocks 36864-37887, 327680-328703 & ERX transfers
AfriNIC Address Blocks 41/8, 102/8, 105/8, 197/8,

APNIC Region per AS prefix count summary
----------------------------------------

ASN No of nets /20 equiv MaxAgg Description
4766 1862 9493 585 Korea Telecom (KIX)
7545 1596 302 86 TPG Internet Pty Ltd
4755 1421 633 164 Videsh Sanchar Nigam Ltd. Aut
17974 1416 475 29 PT TELEKOMUNIKASI INDONESIA
24560 1115 323 184 Bharti Airtel Ltd.
9583 1045 77 488 Sify Limited
4808 988 2072 282 CNCGROUP IP network: China169
17488 955 161 102 Hathway IP Over Cable Interne
18101 931 117 139 Reliance Infocom Ltd Internet
9829 895 761 45 BSNL National Internet Backbo

Complete listing at http://thyme.rand.apnic.net/rviews/data-ASnet-APNIC

ARIN Region per AS prefix count summary
---------------------------------------

ASN No of nets /20 equiv MaxAgg Description
6389 3690 3855 261 bellsouth.net, inc.
4323 2603 1109 403 Time Warner Telecom
1785 1787 697 132 AppliedTheory Corporation
19262 1786 4938 284 Verizon Global Networks
20115 1578 1538 647 Charter Communications
6478 1522 296 84 AT&T Worldnet Services
18566 1447 321 156 Covad Communications
7018 1363 6714 888 AT&T WorldNet Services
2386 1299 554 935 AT&T Data Communications Serv
11492 1285 236 70 Cable One

Complete listing at http://thyme.rand.apnic.net/rviews/data-ASnet-ARIN

RIPE Region per AS prefix count summary
---------------------------------------

ASN No of nets /20 equiv MaxAgg Description
286 993 761 160 KPNQwest Backbone AS
9116 545 328 32 Goldenlines main autonomous s
6830 515 1780 319 UPC Distribution Services
3292 501 1996 389 TDC Tele Danmark
9198 470 267 15 Kazakhtelecom Corporate Sales
34984 465 98 145 Tellcom Iletisim Hizmetleri
8866 443 133 23 Bulgarian Telecommunication C
20940 415 97 320 Akamai Technologies European
3320 410 7620 357 Deutsche Telekom AG
8551 405 355 38 Bezeq International

Complete listing at http://thyme.rand.apnic.net/rviews/data-ASnet-RIPE

LACNIC Region per AS prefix count summary
-----------------------------------------

ASN No of nets /20 equiv MaxAgg Description
10620 1383 257 166 TVCABLE BOGOTA
8151 1348 2670 363 Uninet S.A. de C.V.
28573 1233 961 82 Types of queries are: POCs, o
6503 1171 354 73 AVANTEL, S.A.
7303 907 464 145 Telecom Argentina Stet-France
14420 641 57 94 Types of queries are: POCs, o
22047 543 310 15 Types of queries are: POCs, o
3816 509 221 101 COLOMBIA TELECOMUNICACIONES S
7738 478 922 30 Telecomunicacoes da Bahia S.A
27947 468 53 50 Telconet S.A

Complete listing at http://thyme.rand.apnic.net/rviews/data-ASnet-LACNIC

AfriNIC Region per AS prefix count summary
------------------------------------------

Complete listing at http://thyme.rand.apnic.net/rviews/data-ASnet-AFRINIC

Global Per AS prefix count summary
----------------------------------

ASN No of nets /20 equiv MaxAgg Description
6389 3690 3855 261 bellsouth.net, inc.
4323 2603 1109 403 Time Warner Telecom
4766 1862 9493 585 Korea Telecom (KIX)
1785 1787 697 132 AppliedTheory Corporation
19262 1786 4938 284 Verizon Global Networks
7545 1596 302 86 TPG Internet Pty Ltd
20115 1578 1538 647 Charter Communications
6478 1522 296 84 AT&T Worldnet Services
18566 1447 321 156 Covad Communications
4755 1421 633 164 Videsh Sanchar Nigam Ltd. Aut

Complete listing at http://thyme.rand.apnic.net/rviews/data-ASnet

Global Per AS Maximum Aggr summary
----------------------------------

ASN No of nets Net Savings Description
4323 2603 2200 Time Warner Telecom
1785 1787 1655 AppliedTheory Corporation
7545 1596 1510 TPG Internet Pty Ltd
19262 1786 1502 Verizon Global Networks
6478 1522 1438 AT&T Worldnet Services
17974 1416 1387 PT TELEKOMUNIKASI INDONESIA
18566 1447 1291 Covad Communications
4766 1862 1277 Korea Telecom (KIX)
4755 1421 1257 Videsh Sanchar Nigam Ltd. Aut
10620 1383 1217 TVCABLE BOGOTA

Complete listing at http://thyme.rand.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 1239 Sprint
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 4323 Time Warner Telecom
26973 UNALLOCATED 12.39.152.0/24 1239 Sprint
26973 UNALLOCATED 12.39.154.0/23 1239 Sprint
26973 UNALLOCATED 12.39.155.0/24 1239 Sprint
26973 UNALLOCATED 12.39.159.0/24 1239 Sprint
25639 UNALLOCATED 12.41.169.0/24 7018 AT&T WorldNet Servic

Complete listing at http://thyme.rand.apnic.net/rviews/data-badAS

Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------

Complete listing at http://thyme.rand.apnic.net/rviews/data-dsua

Advertised Unallocated Addresses
--------------------------------

Network Origin AS Description
5.0.0.0/16 12654 RIPE NCC RIS Project
5.1.0.0/21 12654 RIPE NCC RIS Project
5.1.24.0/24 12654 RIPE NCC RIS Project
24.129.192.0/19 7922 Continental Cablevision
31.43.64.0/19 30886 ISP LvivLan autonomous system
37.0.0.0/16 12654 RIPE NCC RIS Project
37.1.0.0/21 12654 RIPE NCC RIS Project
37.1.24.0/24 12654 RIPE NCC RIS Project
41.57.192.0/18 22750 BCSNET
41.222.79.0/24 36938 >>UNKNOWN<<

Complete listing at http://thyme.rand.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 /8:19 /9:10 /10:26 /11:73 /12:216
/13:444 /14:770 /15:1399 /16:11640 /17:5902 /18:9642
/19:19401 /20:25108 /21:25363 /22:33707 /23:32264 /24:183717
/25:394 /26:374 /27:212 /28:384 /29:342 /30:741
/31:48 /32:670

Advertised prefixes smaller than registry allocations
-----------------------------------------------------

ASN No of nets Total ann. Description
6389 2277 3690 bellsouth.net, inc.
6478 1476 1522 AT&T Worldnet Services
18566 1425 1447 Covad Communications
4323 1402 2603 Time Warner Telecom
10620 1274 1383 TVCABLE BOGOTA
11492 1242 1285 Cable One
7011 1056 1157 Citizens Utilities
1785 1054 1787 AppliedTheory Corporation
6503 953 1171 AVANTEL, S.A.
19262 899 1786 Verizon Global Networks

Complete listing at http://thyme.rand.apnic.net/rviews/data-sXXas-nos

Number of /24s announced per /8 block (Global)
----------------------------------------------

1:251 2:57 4:17 5:1 8:340 12:2033
13:1 14:411 15:15 16:3 17:8 20:9
23:1 24:1509 27:595 32:120 33:4 34:2
37:1 38:707 40:101 41:2311 44:3 46:644
47:4 49:152 50:95 52:12 55:2 56:2
57:42 58:866 59:477 60:383 61:1111 62:1067
63:1946 64:3873 65:2368 66:4261 67:1809 68:1185
69:3004 70:770 71:404 72:2044 73:3 74:2401
75:305 76:355 77:862 78:700 79:459 80:1075
81:819 82:534 83:484 84:642 85:1066 86:580
87:778 88:360 89:1611 90:157 91:3542 92:496
93:1058 94:1229 95:790 96:455 97:250 98:802
99:33 101:35 107:4 108:88 109:937 110:484
111:721 112:315 113:369 114:499 115:651 116:957
117:684 118:685 119:1018 120:247 121:696 122:1619
123:1058 124:1314 125:1260 128:267 129:159 130:173
131:569 132:108 133:20 134:222 135:49 136:215
137:146 138:295 139:126 140:490 141:203 142:356
143:385 144:485 145:51 146:441 147:212 148:634
149:273 150:168 151:230 152:298 153:179 154:3
155:377 156:176 157:345 158:128 159:381 160:315
161:208 162:275 163:156 164:487 165:357 166:502
167:410 168:735 169:161 170:755 171:69 172:2
173:1235 174:516 175:320 176:1 177:23 178:762
180:816 181:2 182:367 183:243 184:278 186:1021
187:827 188:899 189:1055 190:4429 192:5848 193:4828
194:3552 195:3105 196:1202 197:3 198:3599 199:3843
200:5603 201:1591 202:8453 203:8474 204:4086 205:2307
206:2657 207:3076 208:3944 209:3494 210:2651 211:1349
212:1987 213:1797 214:770 215:63 216:4870 217:1650
218:551 219:366 220:1204 221:453 222:339 223:104

End of report
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