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.

Tuesday, November 5, 2013

[bgp-stats] Routing Table Report - London view

* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Wed 06 Nov, 2013

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

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

BGP routing table entries examined: 465745
Prefixes after maximum aggregation: 187528
Deaggregation factor: 2.48
Unique aggregates announced to Internet: 233216
Total ASes present in the Internet Routing Table: 45251
Prefixes per ASN: 10.29
Origin-only ASes present in the Internet Routing Table: 35328
Origin ASes announcing only one prefix: 16291
Transit ASes present in the Internet Routing Table: 5815
Transit-only ASes present in the Internet Routing Table: 141
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 28
Max AS path prepend of ASN ( 59482) 25
Prefixes from unregistered ASNs in the Routing Table: 771
Unregistered ASNs in the Routing Table: 215
Number of 32-bit ASNs allocated by the RIRs: 5304
Number of 32-bit ASNs visible in the Routing Table: 4108
Prefixes from 32-bit ASNs in the Routing Table: 12736
Special use prefixes present in the Routing Table: 11
Prefixes being announced from unallocated address space: 963
Number of addresses announced to Internet: 2674460160
Equivalent to 159 /8s, 105 /16s and 6 /24s
Percentage of available address space announced: 72.2
Percentage of allocated address space announced: 72.2
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 95.1
Total number of prefixes smaller than registry allocations: 161949

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

Prefixes being announced by APNIC Region ASes: 107458
Total APNIC prefixes after maximum aggregation: 33129
APNIC Deaggregation factor: 3.24
Prefixes being announced from the APNIC address blocks: 110274
Unique aggregates announced from the APNIC address blocks: 47113
APNIC Region origin ASes present in the Internet Routing Table: 4848
APNIC Prefixes per ASN: 22.75
APNIC Region origin ASes announcing only one prefix: 1236
APNIC Region transit ASes present in the Internet Routing Table: 813
Average APNIC Region AS path length visible: 3.8
Max APNIC Region AS path length visible: 28
Number of APNIC region 32-bit ASNs visible in the Routing Table: 728
Number of APNIC addresses announced to Internet: 728851200
Equivalent to 43 /8s, 113 /16s and 99 /24s
Percentage of available APNIC address space announced: 85.2

APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319,
58368-59391, 63488-63999, 131072-133631
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, 150/8, 153/8,
163/8, 171/8, 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: 161319
Total ARIN prefixes after maximum aggregation: 81041
ARIN Deaggregation factor: 1.99
Prefixes being announced from the ARIN address blocks: 162306
Unique aggregates announced from the ARIN address blocks: 75814
ARIN Region origin ASes present in the Internet Routing Table: 15870
ARIN Prefixes per ASN: 10.23
ARIN Region origin ASes announcing only one prefix: 6011
ARIN Region transit ASes present in the Internet Routing Table: 1594
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 19
Number of ARIN region 32-bit ASNs visible in the Routing Table: 33
Number of ARIN addresses announced to Internet: 1073227008
Equivalent to 63 /8s, 248 /16s and 37 /24s
Percentage of available ARIN address space announced: 56.8

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, 62464-63487, 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, 128/8,
129/8, 130/8, 131/8, 132/8, 134/8, 135/8, 136/8,
137/8, 138/8, 139/8, 140/8, 142/8, 143/8, 144/8,
146/8, 147/8, 148/8, 149/8, 152/8, 155/8, 156/8,
157/8, 158/8, 159/8, 160/8, 161/8, 162/8, 164/8,
165/8, 166/8, 167/8, 168/8, 169/8, 170/8, 172/8,
173/8, 174/8, 184/8, 192/8, 198/8, 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: 119152
Total RIPE prefixes after maximum aggregation: 60870
RIPE Deaggregation factor: 1.96
Prefixes being announced from the RIPE address blocks: 122749
Unique aggregates announced from the RIPE address blocks: 78649
RIPE Region origin ASes present in the Internet Routing Table: 17501
RIPE Prefixes per ASN: 7.01
RIPE Region origin ASes announcing only one prefix: 8301
RIPE Region transit ASes present in the Internet Routing Table: 2827
Average RIPE Region AS path length visible: 3.5
Max RIPE Region AS path length visible: 27
Number of RIPE region 32-bit ASNs visible in the Routing Table: 2457
Number of RIPE addresses announced to Internet: 656323328
Equivalent to 39 /8s, 30 /16s and 179 /24s
Percentage of available RIPE address space announced: 95.4

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
59392-61439, 61952-62463, 196608-200191
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,
141/8, 145/8, 151/8, 176/8, 178/8, 185/8, 188/8,
193/8, 194/8, 195/8, 212/8, 213/8, 217/8,

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

Prefixes being announced by LACNIC Region ASes: 52030
Total LACNIC prefixes after maximum aggregation: 9768
LACNIC Deaggregation factor: 5.33
Prefixes being announced from the LACNIC address blocks: 57081
Unique aggregates announced from the LACNIC address blocks: 26843
LACNIC Region origin ASes present in the Internet Routing Table: 2015
LACNIC Prefixes per ASN: 28.33
LACNIC Region origin ASes announcing only one prefix: 548
LACNIC Region transit ASes present in the Internet Routing Table: 373
Average LACNIC Region AS path length visible: 4.1
Max LACNIC Region AS path length visible: 20
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 884
Number of LACNIC addresses announced to Internet: 142159104
Equivalent to 8 /8s, 121 /16s and 45 /24s
Percentage of available LACNIC address space announced: 84.7

LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
61440-61951, 262144-263679 plus ERX transfers
LACNIC Address Blocks 177/8, 179/8, 181/8, 186/8, 187/8, 189/8, 190/8,
191/8, 200/8, 201/8,

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

Prefixes being announced by AfriNIC Region ASes: 11731
Total AfriNIC prefixes after maximum aggregation: 2587
AfriNIC Deaggregation factor: 4.53
Prefixes being announced from the AfriNIC address blocks: 12370
Unique aggregates announced from the AfriNIC address blocks: 4016
AfriNIC Region origin ASes present in the Internet Routing Table: 676
AfriNIC Prefixes per ASN: 18.30
AfriNIC Region origin ASes announcing only one prefix: 195
AfriNIC Region transit ASes present in the Internet Routing Table: 133
Average AfriNIC Region AS path length visible: 3.4
Max AfriNIC Region AS path length visible: 24
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 6
Number of AfriNIC addresses announced to Internet: 48100864
Equivalent to 2 /8s, 221 /16s and 246 /24s
Percentage of available AfriNIC address space announced: 47.8

AfriNIC AS Blocks 36864-37887, 327680-328703 & ERX transfers
AfriNIC Address Blocks 41/8, 102/8, 105/8, 154/8, 196/8, 197/8,

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

ASN No of nets /20 equiv MaxAgg Description
17974 2711 903 89 PT TELEKOMUNIKASI INDONESIA
4766 2137 11550 641 Korea Telecom (KIX)
7545 2083 319 109 TPG Internet Pty Ltd
4755 1802 401 185 TATA Communications formerly
9829 1552 1242 48 BSNL National Internet Backbo
9583 1235 94 512 Sify Limited
9498 1195 310 78 BHARTI Airtel Ltd.
7552 1155 1080 13 Vietel Corporation
24560 1094 380 163 Bharti Airtel Ltd., Telemedia
4808 1067 2021 314 CNCGROUP IP network: China169

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 3056 3688 56 BellSouth.net Inc.
22773 2190 2939 139 Cox Communications, Inc.
18566 2055 379 178 MegaPath Corporation
1785 2037 684 131 PaeTec Communications, Inc.
20115 1681 1654 607 Charter Communications
4323 1637 1118 421 Time Warner Telecom
701 1504 11145 782 MCI Communications Services,
30036 1389 313 578 Mediacom Communications Corp
7018 1344 17796 879 AT&T WorldNet Services
6983 1293 755 578 ITC^Deltacom

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
8402 1757 544 17 OJSC "Vimpelcom"
34984 1364 244 224 TELLCOM ILETISIM HIZMETLERI A
20940 1147 426 866 Akamai Technologies European
31148 1005 44 18 FreeNet ISP
13188 886 99 48 TOV "Bank-Inform"
6849 862 356 30 JSC UKRTELECOM,
8551 778 370 41 Bezeq International
6830 774 2328 426 UPC Distribution Services
12479 675 798 55 Uni2 Autonomous System
9116 555 327 36 Goldenlines main autonomous s

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
28573 3447 1784 85 NET Servicos de Comunicao S.A
10620 2642 428 237 TVCABLE BOGOTA
7303 1725 1145 232 Telecom Argentina Stet-France
18881 1533 844 20 Global Village Telecom
8151 1348 2850 407 UniNet S.A. de C.V.
11830 866 364 15 Instituto Costarricense de El
27947 820 94 92 Telconet S.A
6147 791 373 27 Telefonica Del Peru
6503 785 434 63 AVANTEL, S.A.
7738 780 1498 36 Telecomunicacoes da Bahia 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
36998 1854 112 5 Sudanese Mobile Telephone (ZA
24863 885 338 30 LINKdotNET AS number
6713 554 633 26 Itissalat Al-MAGHRIB
8452 408 956 9 TEDATA
24835 294 144 9 RAYA Telecom - Egypt
3741 256 921 214 The Internet Solution
36992 227 501 29 Etisalat MISR
29571 223 17 12 Ci Telecom Autonomous system
15706 219 32 6 Sudatel Internet Exchange Aut
29975 192 668 21 Vodacom

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
28573 3447 1784 85 NET Servicos de Comunicao S.A
6389 3056 3688 56 BellSouth.net Inc.
17974 2711 903 89 PT TELEKOMUNIKASI INDONESIA
10620 2642 428 237 TVCABLE BOGOTA
22773 2190 2939 139 Cox Communications, Inc.
4766 2137 11550 641 Korea Telecom (KIX)
7545 2083 319 109 TPG Internet Pty Ltd
18566 2055 379 178 MegaPath Corporation
1785 2037 684 131 PaeTec Communications, Inc.
36998 1854 112 5 Sudanese Mobile Telephone (ZA

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

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

ASN No of nets Net Savings Description
6389 3056 3000 BellSouth.net Inc.
17974 2711 2622 PT TELEKOMUNIKASI INDONESIA
10620 2642 2405 TVCABLE BOGOTA
22773 2190 2051 Cox Communications, Inc.
7545 2083 1974 TPG Internet Pty Ltd
1785 2037 1906 PaeTec Communications, Inc.
18566 2055 1877 MegaPath Corporation
36998 1854 1849 Sudanese Mobile Telephone (ZA
8402 1757 1740 OJSC "Vimpelcom"
4755 1802 1617 TATA Communications formerly

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

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

Bad AS Designation Network Transit AS Description
62828 UNALLOCATED 8.21.130.0/24 3356 Level 3 Communicatio
62734 UNALLOCATED 8.31.128.0/24 6939 Hurricane Electric
62773 UNALLOCATED 8.35.180.0/22 3356 Level 3 Communicatio
65333 PRIVATE 10.0.0.0/8 0 *
15132 UNALLOCATED 12.9.150.0/24 7018 AT&T WorldNet Servic
62719 UNALLOCATED 12.27.130.0/24 4323 Time Warner Telecom
13317 UNALLOCATED 12.44.10.0/24 7018 AT&T WorldNet Servic
23502 UNALLOCATED 12.44.44.0/24 7018 AT&T WorldNet Servic
17300 UNALLOCATED 12.45.103.0/24 7018 AT&T WorldNet Servic
17300 UNALLOCATED 12.45.110.0/24 701 MCI Communications S

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 IANA Private Address Space
10.1.1.48/29 0 *
100.64.0.0/10 65333 IANA Private Address Space
169.254.0.0/16 65333 IANA Private Address Space
172.16.0.0/12 65333 IANA Private Address Space
192.0.0.0/24 65333 IANA Private Address Space
192.0.2.0/24 65333 IANA Private Address Space
192.168.0.0/16 0 *
198.18.0.0/15 65333 IANA Private Address Space
198.51.100.0/24 65333 IANA Private Address Space

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

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

Network Origin AS Description
23.90.128.0/18 27418 OUTOFWALL INC.
23.90.192.0/18 36086 Broad Communications Technolo
23.91.0.0/19 40676 Psychz Networks
23.91.14.0/24 40676 Psychz Networks
23.91.32.0/19 36315 Servpac Inc.
23.91.80.0/20 21560 Capital Technology Services G
23.91.96.0/20 40676 Psychz Networks
23.91.112.0/21 32475 MidPhase Inc.
23.91.160.0/22 36493 3757277 Canada Inc. (oa 295.c
23.91.160.0/19 36493 3757277 Canada Inc. (oa 295.c

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 /8:17 /9:11 /10:32 /11:92 /12:255
/13:471 /14:923 /15:1628 /16:12809 /17:6774 /18:11251
/19:23013 /20:32796 /21:35387 /22:49321 /23:43352 /24:246934
/25:9 /26:11 /27:12 /28:126 /29:225 /30:157
/31:0 /32:139

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

ASN No of nets Total ann. Description
18566 2009 2055 MegaPath Corporation
36998 1819 1854 Sudanese Mobile Telephone (ZA
6389 1709 3056 BellSouth.net Inc.
8402 1457 1757 OJSC "Vimpelcom"
22773 1456 2190 Cox Communications, Inc.
30036 1235 1389 Mediacom Communications Corp
11492 1199 1240 Cable One
1785 1086 2037 PaeTec Communications, Inc.
6983 1034 1293 ITC^Deltacom
22561 968 1245 Digital Teleport, Inc

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

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

1:879 2:864 3:3 4:16 5:1025 6:21
8:611 12:1894 13:3 14:870 15:11 16:3
17:18 18:19 20:21 23:513 24:1741 27:1614
31:1502 32:40 33:2 34:5 36:81 37:1902
38:916 39:4 40:181 41:3225 42:244 44:14
46:2019 47:11 49:683 50:834 52:12 54:42
55:6 56:2 57:29 58:1083 59:573 60:370
61:1453 62:1218 63:1985 64:4346 65:2343 66:4142
67:2095 68:1104 69:3280 70:873 71:489 72:2037
74:2555 75:328 76:306 77:1140 78:1040 79:646
80:1289 81:1028 82:660 83:632 84:580 85:1239
86:382 87:1009 88:563 89:1558 90:150 91:5652
92:619 93:1598 94:2025 95:1588 96:513 97:344
98:1046 99:39 100:30 101:373 103:3512 105:527
106:142 107:213 108:517 109:1900 110:952 111:1106
112:588 113:808 114:732 115:1003 116:984 117:811
118:1166 119:1258 120:351 121:740 122:1784 123:1251
124:1323 125:1431 128:611 129:219 130:315 131:659
132:358 133:157 134:542 135:67 136:278 137:265
138:350 139:174 140:165 141:320 142:527 143:351
144:482 145:88 146:516 147:386 148:702 149:366
150:153 151:586 152:411 153:204 154:52 155:489
156:286 157:373 158:280 159:686 160:360 161:453
162:823 163:202 164:631 165:579 166:258 167:632
168:1040 169:124 170:1116 171:184 172:25 173:1605
174:687 175:501 176:1260 177:2379 178:1961 179:207
180:1575 181:828 182:1338 183:460 184:666 185:999
186:2600 187:1474 188:1814 189:1265 190:7215 192:7029
193:5409 194:4032 195:3362 196:1327 197:1045 198:4691
199:5446 200:6065 201:2508 202:8779 203:8790 204:4468
205:2626 206:2751 207:2762 208:3979 209:3635 210:2903
211:1559 212:2162 213:1988 214:877 215:91 216:5365
217:1689 218:619 219:316 220:1275 221:579 222:324
223:502

End of report
_______________________________________________
bgp-stats mailing list
bgp-stats@lists.apnic.net
http://mailman.apnic.net/mailman/listinfo/bgp-stats
Posted by Admin at 2:29 PM

No comments:

Post a Comment

Subscribe to: Post Comments (Atom)