The BGP Instability Report


The BGP Instability Report is updated daily. This report
was generated on 11 February 2026 06:26 (UTC+1000)


50 Most active ASes for the past 14 days

RANKASN             UPDs            %PrefixesUPDs/PrefixAS NAME
154135571904.71%965804.06WAVENET-AS5413, GB
2165093816383.23%1426126.76AMAZON-02 - Amazon.com, Inc., US
398083614383.06%1380326.19CHINAMOBILE-CN China Mobile Communications Group Co., Ltd., CN
481513186562.70%1280524.89UNINET, MX
5369031255021.06%1232101.87MT-MPLS, MA
656046946780.80%342927.61CMNET-JIANGSU-AP China Mobile communications corporation, CN
77843829100.70%173479.25TWC-7843-BB - Charter Communications Inc, US
8328608806550.68%617130.72Africa-on-Cloud-AS, ZA
944244797640.67%250631.83IRANCELL-AS, IR
106147795380.67%126063.13INTEGRATEL PERU S.A.A., PE
11265303758270.64%451685.04BRASIL TECPAR | AMIGO | AVATO, BR
1239891754530.64%496915.18ALJAWWALSTC-AS, SA
13400619660950.56%343192.70AROSS-AS - AROSSCLOUD INC., US
1415766645480.55%154303.20DOMICILIUM-AS, IM
1513188643370.54%160740.04TRIOLAN, UA
169829607480.51%188332.26BSNL-NIB National Internet Backbone, IN
177821607380.51%173572.82ZAYO-MN - Inteliquent, inc., US
1810620529000.45%344915.34Telmex Colombia S.A., CO
19335508850.43%225226.16DNIC-ASBLK-00306-00371 - United States Department of Defense DoD, US
209340494130.42%459107.65INDONET-AS-AP INDO Internet, PT, ID
2155410463070.39%118539.08VIL-AS-AP Vodafone Idea Ltd, IN
2256041452000.38%184824.46CMNET-ZHEJIANG-AP China Mobile communications corporation, CN
2356047448220.38%173225.88CMNET-HUNAN-AP China Mobile communications corporation, CN
2411776425230.36%190722.30ATLANTICBB-JOHNSTOWN - Breezeline, US
2511664386110.33%141527.29Techtel LMDS Comunicaciones Interactivas S.A., AR
2645899359130.30%333710.76VNPT-AS-VN VNPT Corp, VN
27647356010.30%46476.73DNIC-ASBLK-00616-00665 - United States Department of Defense DoD, US
288452325250.28%176218.46TE-AS TE-AS, EG
2931148306210.26%49961.36FREENET_LLC, UA
3024444286960.24%109826.13CMNET-V4SHANDONG-AS-AP Shandong Mobile Communication Company Limited, CN
31174276110.23%38517.17COGENT-174 - Cogent Communications, LLC, US
3220473273550.23%159017.20AS-VULTR - The Constant Company, LLC, US
3358224271160.23%128521.10TCI, IR
3442337262920.22%70937.08RESPINA-AS, IR
3522773260490.22%47835.45ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US
3636914259900.22%58244.66KENET-AS, KE
3730036255930.22%26659.60MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communications Corp, US
3833873241990.20%28864.25ARVATO-SYSTEMS-AS *, DE
395371241230.20%29980.68DNIC-ASBLK-05120-05376 - United States Department of Defense DoD, US
4056045239960.20%93025.80CMNET-JIANGXI-AP China Mobile communications corporation, CN
4128391239250.20%161148.60Universidad Juarez Autonoma de Tabasco, MX
4212389236150.20%31807.43ROSTELECOM-AS PJSC Rostelecom. Technical Team, RU
4337440233790.20%52449.60Airtel-, MW
4424547233330.20%92825.14CMNET-V4HEBEI-AS-AP Hebei Mobile Communication Company Limited, CN
4518809230010.19%61337.52Cable Onda, PA
4615763228380.19%39585.59ASDOKOM, DE
4714593224160.19%142315.75SPACEX-STARLINK - Space Exploration Technologies Corporation, US
48197207221990.19%91224.34MCCI-AS, IR
4917561217120.18%32656.65LCS-AS-AP LARUS Limited, HK
5024863213210.18%128716.57LINKdotNET-AS, EG
Total 364979530.84%

50 Most active ASes for the past 14 days

RANKASN             UPDs/Prefix         %PrefixesUPDs   AS NAME
11490388709.00.15%217418UCGCL-AS-AP UNIQUE COMM GROUP COMPANY LIMITED, MM
286135924.70.15%317774WAVENET-AS8613, GB
3413835895.00.10%811790WOLASN, GB
4566445824.00.05%25824SYNFS-AS, GB
554135804.14.71%96557190WAVENET-AS5413, GB
61973205588.00.05%15588NPA-AS, GB
71362255423.00.09%210846SMARTTELECOM-AS-AP Smart Telecom, PK
8157664303.20.55%1564548DOMICILIUM-AS, IM
91341294299.30.11%312898IDNIC-IDNNUNET-ID PT IDN NUSANTARA NETWORK, ID
1079544072.30.10%312217IMMENSE-NETWORKS - Immense Networks, LLC, US
112138123996.00.07%27992ALFATEH, SY
12294693704.00.06%27408GTU Khmelnitsky, Ukraine, UA
1378213572.80.51%1760738ZAYO-MN - Inteliquent, inc., US
14518973526.00.03%13526MIHAN, IR
152089073504.00.03%13504RISING-BRIDGE-TECHNOLOGY, GB
16210743135.00.05%26270ASN-AT-VR22, IT
173296272823.00.02%32823Wingu-Tanzania, TZ
18576702780.70.14%616684ASOPENWAY, UA
192724992516.00.02%12516SSP - SERVICOS DE INFORMATICA E TELECOM LTDA., BR
20377132316.00.04%24632Access-Communications-Ltd, MW
21337642254.00.04%34508AFRINIC-ZA-JNB-AS, MU
22367192050.00.02%12050MMU-53-AS-NET - Mount Mercy University, US
231368671996.30.05%35989IDNIC-TELKOMTELSTRA-AS-ID PT. Teltranet Aplikasi Solusi Telkomtelstra, ID
24320711987.00.02%11987WKU-AS - Western Kentucky University, US
252064671982.70.05%35948PROTECH-COMMS, GB
264010171925.00.02%11925AAICE-ASN - AAICE, US
271346591876.50.03%23753IDNIC-DISKOMINFODKI-AS-ID Diskominfo DKI Jakarta, ID
28401381830.80.08%59154MDNET - Mach Dilemma, LLC, US
29123571803.00.11%1712621COMUNITEL SPAIN, ES
302744981775.00.02%11775M B LOPES NET-ME, BR
31290521697.00.01%11697LYCOS-AS Lykos group is among the pioneers that shape the printing market, AT
322653031685.00.64%4575827BRASIL TECPAR | AMIGO | AVATO, BR
333294011579.50.03%23159Fastr-Connect, ZA
342655661572.70.04%34718TELESISTEMAS PENINSULARES SA DE CV, MX
352023641499.80.05%45999GRIDH, GB
36133411477.80.06%57389TRANQUILITY - Tranquility Internet Services Inc., US
37435091434.20.06%57171BANK-VERLAG-GMBH, DE
38438571407.10.10%911257FRAPORT, DE
391404591403.00.01%11403STREAKY-AS-ID PT Mikrotik Indonesia Streaky, ID
40249511394.50.05%305578EVERYWARE-NET, CH
41161071391.50.05%55566COMMERZBANK, DE
422120331383.00.01%11383ENBITCON-AS, DE
4326031375.00.02%102750NORDUNET, DK
442062441357.00.01%11357FIRSTNET, CY
453953271355.00.01%11355BAYFEDCU - BAY FEDERAL CREDIT UNION, US
462691851336.00.03%54008Globalfiber Telecom LTDA, BR
47349281289.00.04%45156REGIOITAACHEN, DE
48348341288.00.01%11288QUIPU-AS, DE
491986721282.20.04%45129ENET, DE
501975091281.00.01%
Total 135684.78.75%

50 Most active Prefixes for the past 14 days

RANKPREFIX           UPDs            %Origin AS -- AS NAME
1207.167.116.0/22122050.10%7954 -- IMMENSE-NETWORKS - Immense Networks, LLC, US
2200.150.164.0/24114110.09%265303 -- BRASIL TECPAR | AMIGO | AVATO, BR
3201.87.153.0/24114100.09%265303 -- BRASIL TECPAR | AMIGO | AVATO, BR
4200.150.165.0/24114070.09%265303 -- BRASIL TECPAR | AMIGO | AVATO, BR
5200.150.174.0/24113260.09%265303 -- BRASIL TECPAR | AMIGO | AVATO, BR
6201.87.149.0/24111950.09%265303 -- BRASIL TECPAR | AMIGO | AVATO, BR
7103.84.53.0/24108430.09%136225 -- SMARTTELECOM-AS-AP Smart Telecom, PK
8130.137.231.0/24107670.09%16509 -- AMAZON-02 - Amazon.com, Inc., US
9124.195.190.0/24105510.09%38684 -- CMBDAEJEON-AS-KR CMB Daejeon Broadcasting Co,.Ltd, KR
1055.27.217.0/2498020.08%335 -- DNIC-ASBLK-00306-00371 - United States Department of Defense DoD, US
1155.27.56.0/2497810.08%335 -- DNIC-ASBLK-00306-00371 - United States Department of Defense DoD, US
1255.67.56.0/2497670.08%335 -- DNIC-ASBLK-00306-00371 - United States Department of Defense DoD, US
13103.177.87.0/2487440.07%149038 -- UCGCL-AS-AP UNIQUE COMM GROUP COMPANY LIMITED, MM
14103.177.86.0/2486740.07%149038 -- UCGCL-AS-AP UNIQUE COMM GROUP COMPANY LIMITED, MM
1555.74.57.0/2486560.07%335 -- DNIC-ASBLK-00306-00371 - United States Department of Defense DoD, US
1655.74.56.0/2486490.07%335 -- DNIC-ASBLK-00306-00371 - United States Department of Defense DoD, US
17186.83.117.0/2484710.07%10620 -- Telmex Colombia S.A., CO
18130.137.108.0/2481020.07%16509 -- AMAZON-02 - Amazon.com, Inc., US
19173.82.125.0/2479390.07%16509 -- AMAZON-02 - Amazon.com, Inc., US
20130.137.12.0/2477680.06%16509 -- AMAZON-02 - Amazon.com, Inc., US
21130.137.230.0/2475270.06%16509 -- AMAZON-02 - Amazon.com, Inc., US
22199.47.232.0/2273450.06%13341 -- TRANQUILITY - Tranquility Internet Services Inc., US
23130.137.219.0/2470340.06%16509 -- AMAZON-02 - Amazon.com, Inc., US
2484.205.66.0/2468080.06%12654 -- RIPE-NCC-RIS-AS Reseaux IP Europeens Network Coordination Centre RIPE NCC, NL
25130.137.80.0/2467450.06%16509 -- AMAZON-02 - Amazon.com, Inc., US
26173.82.66.0/2467270.06%16509 -- AMAZON-02 - Amazon.com, Inc., US
27130.137.118.0/2466960.05%8987 -- AWS-GOVCLOUD AWS-GOVCLOUD, IE
28130.137.79.0/2466070.05%16509 -- AMAZON-02 - Amazon.com, Inc., US
29173.82.108.0/2464040.05%16509 -- AMAZON-02 - Amazon.com, Inc., US
30173.82.63.0/2463880.05%16509 -- AMAZON-02 - Amazon.com, Inc., US
31195.114.122.0/2463470.05%8369 -- INTERSVYAZ-AS 38-B, Komsomolsky prospekt, RU
32195.114.123.0/2463460.05%8369 -- INTERSVYAZ-AS 38-B, Komsomolsky prospekt, RU
33173.82.67.0/2463250.05%16509 -- AMAZON-02 - Amazon.com, Inc., US
34193.105.156.0/2462600.05%8369 -- INTERSVYAZ-AS 38-B, Komsomolsky prospekt, RU
35130.137.28.0/2461680.05%16509 -- AMAZON-02 - Amazon.com, Inc., US
36130.137.99.0/2461260.05%16509 -- AMAZON-02 - Amazon.com, Inc., US
37130.137.89.0/2461180.05%14618 -- AMAZON-AES - Amazon.com, Inc., US
38130.137.124.0/2460950.05%16509 -- AMAZON-02 - Amazon.com, Inc., US
39130.137.140.0/2460770.05%16509 -- AMAZON-02 - Amazon.com, Inc., US
40130.137.227.0/2460690.05%16509 -- AMAZON-02 - Amazon.com, Inc., US
41130.137.127.0/2460640.05%16509 -- AMAZON-02 - Amazon.com, Inc., US
42130.137.47.0/2460570.05%16509 -- AMAZON-02 - Amazon.com, Inc., US
43130.137.105.0/2460470.05%16509 -- AMAZON-02 - Amazon.com, Inc., US
44130.137.150.0/2460350.05%16509 -- AMAZON-02 - Amazon.com, Inc., US
45130.137.130.0/2460210.05%16509 -- AMAZON-02 - Amazon.com, Inc., US
46130.137.111.0/2460200.05%16509 -- AMAZON-02 - Amazon.com, Inc., US
47130.137.26.0/2459710.05%16509 -- AMAZON-02 - Amazon.com, Inc., US
48217.78.144.0/2059660.05%5413 -- WAVENET-AS5413, GB
49130.137.16.0/2459630.05%16509 -- AMAZON-02 - Amazon.com, Inc., US
50212.102.192.0/1959590.05%8613 -- WAVENET-AS8613, GB
Total 3877833.17%

14 Day BGP Profile: 28-January-2026 00:00 - 10-February-2026 23:59 (UTC+1000)

Number of BGP Update Messages:  27004864
Number of Prefix Updates:  11821477
Number of Prefix Withdrawals:  365066
Average Prefixes per BGP Update:  0.45
Average BGP Update Messages per second:  22.33
Average Prefix Updates per second:  10.07
Peak BGP Update Message Rate per second:  77585  (16:38:24 Wed, 28-Jan-2026)
Peak Prefix Update Rate per second:  1553  (05:13:14 Tue, 3-Feb-2026)
Peak Prefix Withdraw Rate per second:  33211  (16:38:24 Wed, 28-Jan-2026)
Prefix Count:  1075176
Updated Prefix Count:  799634
Stable Prefix Count:  275542
Origin AS Count:  77969
Updated Origin AS Count:  65567
Stable Origin AS Count:  12402
Unique Path Count:  579108
Updated Path Count:  432117
Stable Path Count:  146991


 

Hourly Average of Per-Second Updated and Withdrawn Prefix Rate

Hourly Peak of Per-Second Updated and Withdrawn Prefix Rate

Hourly Average Per-Second Updated Prefix Rate by Update Type

Hourly Peak of Per-Second Updated Prefix Rate by Update Type

 

BGP Table Activity

Cumulative Distribution of per-Prefix and per-AS Updates


Notes

The data has been gathered using a single eBGP peering with AS 131072. The observations of BGP path change are relative to this observation point. The updates are generated by a Quagga BGP implementation providing a timestamped log of incoming update messages. The timezone of this monitoring point is UTC+1000. Updates are processed on a 24 hour cycle.