The BGP Instability Report


The BGP Instability Report is updated daily. This report
was generated on 18 July 2025 06:23 (UTC+1000)


50 Most active ASes for the past 14 days

RANKASN             UPDs            %PrefixesUPDs/PrefixAS NAME
1165093723353.83%1381826.95AMAZON-02, US
2184033416163.52%454175.23FPT-AS-AP FPT Telecom Company, VN
381512695082.78%1238721.76UNINET, MX
4527521481801.53%285292.14Vegas Telecom Informatica Ltda., BR
5375451023651.05%412496.71BBSS, BI
64155998591.03%288234.65USDA-1, US
739891985571.01%479820.54ALJAWWALSTC-AS, SA
815964980771.01%153641.03CAMNET-AS, CM
9207990858460.88%114475.04HR-CUSTOMER, IN
1010620754880.78%351421.48Telmex Colombia S.A., CO
1128135709520.73%681043.41ASSOCIACAO NACIONAL PARA INCLUSAO DIGITAL - ANID, BR
1237069661610.68%112358.91MOBINIL, EG
13197207634020.65%282322.46MCCI-AS, IR
1436903624320.64%124949.99MT-MPLS, MA
1517049613310.63%63973.51MBO-NET, US
1619429569060.59%70380.95ETB - Colombia, CO
179829524010.54%183228.60BSNL-NIB National Internet Backbone, IN
18139981516840.53%68614.00MENAKSOPAL-AS-ID PT. Menaksopal Link Nusantara, ID
1958224490000.50%116442.10TCI, IR
20647430850.44%45694.48DNIC-ASBLK-00616-00665, US
2124521389770.40%60649.62DATAUTAMA-NAP-ID PT. DATA Utama Dinamika, ID
2236914383880.40%58865.29KENET-AS, KE
2324835365140.38%182819.97RAYA-AS, EG
2445899351510.36%330610.63VNPT-AS-VN VNPT Corp, VN
2537462344470.35%48611.75Prestabist, TD
26136103344120.35%48603.00IDNIC-USM-AS-ID Universitas Semarang, ID
2763376329170.34%216458.50TOUCHTONE-CUSTS, US
28174318470.33%35968.86COGENT-174, US
29263069317540.33%112886.73BRT Comercio de Produtos de Informatica LTDA, BR
305371316260.33%311101.69DNIC-ASBLK-05120-05376, US
3128657303990.31%215199.50MD Brasil - Tecnologia da Informacao Ltda, BR
3211830294760.30%198714.83Instituto Costarricense de Electricidad y Telecom., CR
3334615291310.30%214565.50UNIVERSAL-EXPORTS Universal Exports, CH
3436992285320.29%153318.61ETISALAT-MISR, EG
35367283130.29%275510.28DNIC-ASBLK-00306-00371, US
3617794271230.28%132086.38HTCL-ORANGE-HK-AP Hutchison Telephone Company Limited, HK
3720473268550.28%147318.23AS-VULTR, US
3827759266270.27%157169.60ACCESS HAITI S.A., HT
3924757261040.27%44259.06EthioNet-AS, ET
4030036254010.26%26209.70MEDIACOM-ENTERPRISE-BUSINESS, US
41211306248420.26%141774.43TREADSTONE-AS, RO
428551238490.25%162614.67BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbone, IL
43210538237870.24%26914.88KEYUBU, TR
44265566231680.24%54633.60TELESISTEMAS PENINSULARES SA DE CV, MX
4524863231610.24%162114.29LINKdotNET-AS, EG
468369229300.24%59388.64INTERSVYAZ-AS 38-B, Komsomolsky prospekt, RU
4745528224850.23%84026.77TIKONAIN-AS Tikona Infinet Ltd., IN
48327798219910.23%161374.44BERNET, BI
4911664210210.22%119617.58Techtel LMDS Comunicaciones Interactivas S.A., AR
5044244209830.22%45646.02IRANCELL-AS, IR
Total 312139632.14%

50 Most active ASes for the past 14 days

RANKASN             UPDs/Prefix         %PrefixesUPDs   AS NAME
16337632917.00.34%232917TOUCHTONE-CUSTS, US
22865715199.50.31%230399MD Brasil - Tecnologia da Informacao Ltda, BR
33461514565.50.30%229131UNIVERSAL-EXPORTS Universal Exports, CH
4260311402.00.12%1111402NORDUNET, DK
513998110336.80.53%651684MENAKSOPAL-AS-ID PT. Menaksopal Link Nusantara, ID
63293129064.00.09%19064Manano-Telecommunication-SARL, TD
71380718893.00.09%18893IDNIC-PEMPROV-KALTENG-AS-ID PEMERINTAH PROVINSI KALIMANTAN TENGAH, ID
8374628611.80.35%434447Prestabist, TD
91361038603.00.35%434412IDNIC-USM-AS-ID Universitas Semarang, ID
10326858398.00.09%18398AEG-VISION, US
11527525927.21.53%28148180Vegas Telecom Informatica Ltda., BR
122098875808.00.06%45808BIESSE, IT
133969505318.00.05%15318COMSTBARTH-AS, FR
142630695292.30.33%1131754BRT Comercio de Produtos de Informatica LTDA, BR
152698194781.50.10%39563LE PERA SERGIO PATRICIONEO, AR
162655664633.60.24%523168TELESISTEMAS PENINSULARES SA DE CV, MX
173946784489.50.18%417958BPC-76-AS, CA
1879544256.70.13%312770IMMENSE-NETWORKS, US
19514083868.00.04%13868SIRIUS-AS, RU
20133413804.50.08%57609TRANQUILITY, US
218863666.00.04%13666SBH-IX-SERVICES, FR
221515283246.00.03%13246IDNIC-GETLINK-AS-ID PT Global Abadi Inti Nusantara, ID
232659533068.80.13%412275INNOVA TECNOLOGIA E SERVICOS LTDA., BR
243990352767.00.03%22767LAMBTON-LTD-01, CA
253277302670.00.03%12670PPF, TZ
26375452496.71.05%41102365BBSS, BI
27373362493.30.18%717453UCOM-WIC, BI
28170492358.90.63%6361331MBO-NET, US
2975402322.20.14%11813933HKCIX-AS-AP HongKong Commercial Internet Exchange, HK
303285992309.00.07%36927Amanet-SARL, TD
311490382247.50.05%24495UCGCL-AS-AP UNIQUE COMM GROUP COMPANY LIMITED, MM
323277342207.00.02%12207ECONET, BI
332142942124.30.07%46373NOOBNET, GB
34177942086.40.28%1327123HTCL-ORANGE-HK-AP Hutchison Telephone Company Limited, HK
351368672081.00.06%36243IDNIC-TELKOMTELSTRA-AS-ID PT. Teltranet Aplikasi Solusi Telkomtelstra, ID
362714821984.80.10%59924MEGA TELECOM FIBRA, BR
37566391928.00.02%11928LNET-COM-UA-AS, UA
38598651925.70.12%1911554IVM, NL
391372581866.00.02%11866SHIRAZI-AS-AP Shirazi Investments Pvt Ltd., PK
40183011845.00.02%11845DSNET-AS-KR ILINKKOREA, KR
413284481781.00.02%11781Direction-Generale-Des-Impots-AS, BF
422113061774.40.26%1424842TREADSTONE-AS, RO
43432061749.00.02%11749TNTU-AS, UA
44311041731.00.04%23462EVACY, FR
452092261709.50.07%46838CHU-TIVOLI, BE
461504421604.00.02%21604BFSACD-AS-AP Bangladesh Fire Service and Civil Defense, BD
472710841559.00.06%46236TRYMNET PROVEDOR, BR
48401381419.70.09%128518MDNET, US
49542621380.50.03%42761US-CERT-01, US
503277981374.40.23%
Total 2399469.24%

50 Most active Prefixes for the past 14 days

RANKPREFIX           UPDs            %Origin AS -- AS NAME
1177.46.39.0/24334710.33%28135 -- ASSOCIACAO NACIONAL PARA INCLUSAO DIGITAL - ANID, BR
2177.46.36.0/24334540.33%28135 -- ASSOCIACAO NACIONAL PARA INCLUSAO DIGITAL - ANID, BR
3140.174.37.0/24329170.33%63376 -- TOUCHTONE-CUSTS, US
4168.0.128.0/22316850.31%263069 -- BRT Comercio de Produtos de Informatica LTDA, BR
5138.99.97.0/24303900.30%28657 -- MD Brasil - Tecnologia da Informacao Ltda, BR
645.172.92.0/22230850.23%265566 -- TELESISTEMAS PENINSULARES SA DE CV, MX
7181.233.80.0/22219890.22%268314 -- EWERTON DA SILVA LOPES TELECOMUNICACOES, BR
271482 -- MEGA TELECOM FIBRA, BR
838.224.214.0/24213580.21%174 -- COGENT-174, US
9189.76.66.0/23211610.21%52752 -- Vegas Telecom Informatica Ltda., BR
10189.76.65.0/24211570.21%52752 -- Vegas Telecom Informatica Ltda., BR
11189.76.64.0/22211330.21%52752 -- Vegas Telecom Informatica Ltda., BR
12189.76.66.0/24211250.21%52752 -- Vegas Telecom Informatica Ltda., BR
13189.76.64.0/23211240.21%52752 -- Vegas Telecom Informatica Ltda., BR
14189.76.67.0/24211150.21%52752 -- Vegas Telecom Informatica Ltda., BR
15189.76.64.0/24211010.21%52752 -- Vegas Telecom Informatica Ltda., BR
16188.213.84.0/23186840.18%20473 -- AS-VULTR, US
17103.71.162.0/23169970.17%139981 -- MENAKSOPAL-AS-ID PT. Menaksopal Link Nusantara, ID
18103.80.98.0/23166870.16%139981 -- MENAKSOPAL-AS-ID PT. Menaksopal Link Nusantara, ID
19130.137.231.0/24148220.15%16509 -- AMAZON-02, US
20192.109.38.0/24145780.14%34615 -- UNIVERSAL-EXPORTS Universal Exports, CH
21192.109.37.0/24145530.14%34615 -- UNIVERSAL-EXPORTS Universal Exports, CH
22103.148.24.0/23142830.14%139981 -- MENAKSOPAL-AS-ID PT. Menaksopal Link Nusantara, ID
23202.181.232.0/23138050.14%7540 -- HKCIX-AS-AP HongKong Commercial Internet Exchange, HK
24186.83.117.0/24136700.14%10620 -- Telmex Colombia S.A., CO
25195.24.192.0/20132870.13%15964 -- CAMNET-AS, CM
26207.167.116.0/22127640.13%7954 -- IMMENSE-NETWORKS, US
27164.163.52.0/22122390.12%265953 -- INNOVA TECNOLOGIA E SERVICOS LTDA., BR
2877.89.192.0/22120600.12%25454 -- ASN-OMD-FNO Orange Moldova Fixed Network Autonomous System, MD
29124.195.190.0/24116660.12%38684 -- CMBDAEJEON-AS-KR CMB Daejeon Broadcasting Co,.Ltd, KR
30185.56.142.0/23115430.11%59865 -- IVM, NL
31193.10.255.0/24114020.11%2603 -- NORDUNET, DK
3245.191.129.0/24113490.11%264514 -- DESCALNET PROVEDOR LTDA - ME, BR
3384.205.66.0/24108390.11%12654 -- RIPE-NCC-RIS-AS Reseaux IP Europeens Network Coordination Centre RIPE NCC, NL
34130.137.108.0/24105290.10%16509 -- AMAZON-02, US
35130.137.12.0/24103720.10%16509 -- AMAZON-02, US
3645.187.132.0/2295590.09%269819 -- LE PERA SERGIO PATRICIONEO, AR
37130.137.230.0/2493230.09%16509 -- AMAZON-02, US
38102.211.107.0/2490640.09%329312 -- Manano-Telecommunication-SARL, TD
39202.45.88.0/2490570.09%17794 -- HTCL-ORANGE-HK-AP Hutchison Telephone Company Limited, HK
40203.145.78.0/2490260.09%17794 -- HTCL-ORANGE-HK-AP Hutchison Telephone Company Limited, HK
41203.145.74.0/2490180.09%17794 -- HTCL-ORANGE-HK-AP Hutchison Telephone Company Limited, HK
42103.123.24.0/2388930.09%138071 -- IDNIC-PEMPROV-KALTENG-AS-ID PEMERINTAH PROVINSI KALIMANTAN TENGAH, ID
43197.149.131.0/2486210.09%37462 -- Prestabist, TD
44197.149.130.0/2486130.09%37462 -- Prestabist, TD
45197.149.129.0/2486120.09%37462 -- Prestabist, TD
46103.134.212.0/2486030.09%136103 -- IDNIC-USM-AS-ID Universitas Semarang, ID
47103.134.214.0/2486030.09%136103 -- IDNIC-USM-AS-ID Universitas Semarang, ID
48103.134.215.0/2486030.09%136103 -- IDNIC-USM-AS-ID Universitas Semarang, ID
49103.90.210.0/2486030.09%136103 -- IDNIC-USM-AS-ID Universitas Semarang, ID
50197.149.128.0/2486010.09%37462 -- Prestabist, TD
Total 7751937.70%

14 Day BGP Profile: 4-July-2025 00:00 - 17-July-2025 23:59 (UTC+1000)

Number of BGP Update Messages:  21794260
Number of Prefix Updates:  9710532
Number of Prefix Withdrawals:  404136
Average Prefixes per BGP Update:  0.46
Average BGP Update Messages per second:  18.02
Average Prefix Updates per second:  8.36
Peak BGP Update Message Rate per second:  45061  (12:41:58 Mon, 7-Jul-2025)
Peak Prefix Update Rate per second:  2026  (08:35:53 Wed, 9-Jul-2025)
Peak Prefix Withdraw Rate per second:  20407  (12:41:58 Mon, 7-Jul-2025)
Prefix Count:  1035686
Updated Prefix Count:  716101
Stable Prefix Count:  319585
Origin AS Count:  77077
Updated Origin AS Count:  63147
Stable Origin AS Count:  13930
Unique Path Count:  585863
Updated Path Count:  444639
Stable Path Count:  141224


 

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.