The BGP Instability Report

The BGP Instability Report is updated daily. This report
was generated on 22 August 2025 06:27 (UTC+1000)

50 Most active ASes for the past 14 days

RANK	ASN	UPDs	%	Prefixes	UPDs/Prefix	AS NAME
1	16509	385409	3.08%	14190	27.16	AMAZON-02, US
2	8151	257047	2.06%	12423	20.69	UNINET, MX
3	262773	139558	1.12%	225	620.26	PROXXIMA TELECOMUNICACOES SA, BR
4	28135	100690	0.81%	61	1650.66	ASSOCIACAO NACIONAL PARA INCLUSAO DIGITAL - ANID, BR
5	4155	97347	0.78%	2970	32.78	USDA-1, US
6	15964	96369	0.77%	156	617.75	CAMNET-AS, CM
7	12479	94847	0.76%	7589	12.50	UNI2-AS, ES
8	36903	79413	0.64%	1249	63.58	MT-MPLS, MA
9	335	67454	0.54%	215	313.74	DNIC-ASBLK-00306-00371, US
10	64445	54916	0.44%	18	3050.89	AS-NETJOIN, IT
11	22773	48962	0.39%	3355	14.59	ASN-CXA-ALL-CCI-22773-RDC, US
12	5371	47815	0.38%	279	171.38	DNIC-ASBLK-05120-05376, US
13	20940	47708	0.38%	4054	11.77	AKAMAI-ASN1, NL
14	367	46847	0.37%	3000	15.62	DNIC-ASBLK-00306-00371, US
15	28634	45764	0.37%	95	481.73	Life Tecnologia Ltda., BR
16	7018	43837	0.35%	1592	27.54	ATT-INTERNET4, US
17	58224	42631	0.34%	1151	37.04	TCI, IR
18	7029	41471	0.33%	2238	18.53	WINDSTREAM, US
19	647	40868	0.33%	409	99.92	DNIC-ASBLK-00616-00665, US
20	20057	40857	0.33%	1451	28.16	ATT-MOBILITY-LLC-AS20057, US
21	7470	40614	0.33%	712	57.04	TRUEINTERNET-AS-AP TRUE INTERNET Co.,Ltd., TH
22	11830	39805	0.32%	1988	20.02	Instituto Costarricense de Electricidad y Telecom., CR
23	9829	39561	0.32%	1830	21.62	BSNL-NIB National Internet Backbone, IN
24	11776	38670	0.31%	1904	20.31	ATLANTICBB-JOHNSTOWN, US
25	36947	38420	0.31%	421	91.26	ALGTEL-AS, DZ
26	9009	38185	0.31%	3885	9.83	M247, RO
27	8551	37282	0.30%	1625	22.94	BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbone, IL
28	16625	37135	0.30%	3073	12.08	AKAMAI-AS, US
29	6147	37118	0.30%	1192	31.14	Telefonica del Peru S.A.A., PE
30	197207	37054	0.30%	952	38.92	MCCI-AS, IR
31	12083	36223	0.29%	723	50.10	WOW-INTERNET, US
32	207990	36216	0.29%	1129	32.08	HR-CUSTOMER, IN
33	39891	36174	0.29%	4798	7.54	ALJAWWALSTC-AS, SA
34	203020	35422	0.28%	1808	19.59	HOSTROYALE, IN
35	262323	34500	0.28%	52	663.46	STAR CONECT TELECOM LTDA, BR
36	10620	34133	0.27%	3486	9.79	Telmex Colombia S.A., CO
37	20473	33762	0.27%	1454	23.22	AS-VULTR, US
38	11664	32373	0.26%	1231	26.30	Techtel LMDS Comunicaciones Interactivas S.A., AR
39	13188	31653	0.25%	1606	19.71	TRIOLAN, UA
40	45899	31203	0.25%	3308	9.43	VNPT-AS-VN VNPT Corp, VN
41	209737	30892	0.25%	35	882.63	AS209737, TR
42	36914	30580	0.24%	590	51.83	KENET-AS, KE
43	11492	29615	0.24%	4839	6.12	CABLEONE, US
44	210538	28742	0.23%	26	1105.46	KEYUBU, TR
45	9848	28456	0.23%	263	108.20	SEJONGTELECOM-AS-KR SEJONG NETWORKS, KR
46	28657	25975	0.21%	3	8658.33	MD Brasil - Tecnologia da Informacao Ltda, BR
47	6503	25327	0.20%	939	26.97	Axtel, S.A.B. de C.V., MX
48	263069	25318	0.20%	11	2301.64	BRT Comercio de Produtos de Informatica LTDA, BR
49	984	24329	0.19%	1104	22.04	OWS-NETWORK, US
50	30036	24312	0.19%	2656	9.15	MEDIACOM-ENTERPRISE-BUSINESS, US
Total		2818859	22.58%

50 Most active ASes for the past 14 days

RANK	ASN	UPDs/Prefix	%	Prefixes	UPDs	AS NAME
1	63376	10978.0	0.18%	2	21956	TOUCHTONE-CUSTS, US
2	28657	8658.3	0.21%	3	25975	MD Brasil - Tecnologia da Informacao Ltda, BR
3	396950	7087.0	0.06%	1	7087	COMSTBARTH-AS, FR
4	17794	5962.2	0.19%	13	23849	HTCL-ORANGE-HK-AP Hutchison Telephone Company Limited, HK
5	138071	5114.0	0.04%	1	5114	IDNIC-PEMPROV-KALTENG-AS-ID PEMERINTAH PROVINSI KALIMANTAN TENGAH, ID
6	886	4434.0	0.04%	1	4434	SBH-IX-SERVICES, FR
7	7954	4263.3	0.10%	3	12790	IMMENSE-NETWORKS, US
8	135461	4221.0	0.03%	1	4221	IDNIC-PELINDO1-AS-ID PT Pelabuhan Indonesia I Persero, ID
9	329312	4166.0	0.03%	1	4166	Manano-Telecommunication-SARL, TD
10	214094	3657.0	0.03%	1	3657	OSSERVATORIO-NESSUNO, IT
11	207989	3647.0	0.03%	1	3647	AS_GOLDENDATA, IT
12	267035	3511.4	0.14%	5	17557	MS TELECOM LTDA ME, BR
13	2603	3483.3	0.08%	10	10450	NORDUNET, DK
14	64445	3050.9	0.44%	18	54916	AS-NETJOIN, IT
15	18777	3014.2	0.12%	5	15071	TEXAS-STATE-UNIVERSITY, US
16	272703	2956.0	0.02%	1	2956	MYLINK SERVICO DE COMUNICACAO MULTIMIDIA EIRELI, BR
17	265566	2887.8	0.12%	5	14439	TELESISTEMAS PENINSULARES SA DE CV, MX
18	20067	2874.0	0.02%	1	2874	NAS-GHENT, US
19	264539	2836.3	0.07%	3	8509	Erik Lucas Barbosa, BR
20	271433	2795.0	0.04%	4	5590	MAIA E DUTRA LTDA, BR
21	153144	2645.0	0.02%	3	2645	IDNIC-BENTALA-AS-ID PT Bena Bentala Services, ID
22	262712	2626.0	0.02%	1	2626	HOSTWEB DATA CENTER E SERVICOS LTDA, BR
23	268901	2589.0	0.06%	4	7767	POPNET FIBRA LTDA, BR
24	267260	2503.7	0.06%	3	7511	R. G. MENEZES DE ARAUJO INFOR, BR
25	264269	2483.3	0.06%	3	7450	L & G Telecom, BR
26	214294	2456.3	0.06%	4	7369	NOOBNET, GB
27	264208	2351.0	0.06%	3	7053	L L NET PROVEDOR DE ACESSO A INTERNET & SERVICOS, BR
28	8369	2328.6	0.17%	58	20957	INTERSVYAZ-AS 38-B, Komsomolsky prospekt, RU
29	263066	2304.4	0.13%	7	16131	RVNet - R V PORTELA AGUIAR & CIA LTDA, BR
30	263069	2301.6	0.20%	11	25318	BRT Comercio de Produtos de Informatica LTDA, BR
31	273707	2249.0	0.04%	2	4498	ANDERSON SILVA DOS SANTOS - ME, BR
32	268898	2226.3	0.05%	3	6679	FIBER GOLD TELECOMUNICACOES E SERVICO LTDA, BR
33	268306	2211.0	0.02%	1	2211	Instituto Federal de Sao Paulo, BR
34	264991	2208.0	0.12%	7	15456	BOMFIM E SOUSA LTDA, BR
35	264145	2201.2	0.09%	5	11006	FACILNET PROVEDOR E SERVICOS EIRELI, BR
36	266064	2168.0	0.02%	1	2168	SUPERNET INFORMATICA E SERVICOS, BR
37	265201	2164.0	0.02%	1	2164	MEGANET SERVICOS DE COMUNICACAO E MULTIMIDIA LTDA, BR
38	136867	2153.0	0.05%	3	6459	IDNIC-TELKOMTELSTRA-AS-ID PT. Teltranet Aplikasi Solusi Telkomtelstra, ID
39	270387	2146.4	0.09%	5	10732	FJNET-TELECOM -ME, BR
40	153978	2122.7	0.05%	3	6368	IDNIC-SAKOMTA-AS-ID PT Sarana Komunikasi Semesta, ID
41	61905	2117.0	0.02%	1	2117	CONNECTVIP PRESTACAO DE SERVICOS, BR
42	52683	2113.0	0.02%	1	2113	HiperNET Servico de Comunicacao LTDA ME, BR
43	28190	2109.0	0.02%	1	2109	FORTALNET BUREAU DE COMERCIO E SERVICOS LTDA, BR
44	263617	2103.9	0.12%	7	14727	VALEONLINE PROVEDOR DE INTERNET E SERVICOS LTDA, BR
45	52777	2100.0	0.02%	1	2100	BR27 Servicos de Tecnologia Ltda., BR
46	270366	2091.4	0.12%	7	14640	Jean Franck Ximenes, BR
47	268975	2053.0	0.02%	1	2053	GLOBAL TELECOM SERVICOS DE COMUNICACAO E MULTIMIDI, BR
48	266363	2027.0	0.02%	1	2027	G & M SERVICOS DE COMUNICACAO E MULTIMIDIA LTDA-ME, BR
49	271482	2022.4	0.08%	5	10112	MEGA TELECOM FIBRA, BR
50	268604	2021.8	0.08%
Total		156793.7	3.90%

50 Most active Prefixes for the past 14 days

RANK	PREFIX	UPDs	%	Origin AS -- AS NAME
1	177.46.36.0/24	25943	0.20%	28135 -- ASSOCIACAO NACIONAL PARA INCLUSAO DIGITAL - ANID, BR
2	177.46.39.0/24	25933	0.20%	28135 -- ASSOCIACAO NACIONAL PARA INCLUSAO DIGITAL - ANID, BR
3	138.99.97.0/24	25930	0.20%	28657 -- MD Brasil - Tecnologia da Informacao Ltda, BR
4	168.0.128.0/22	25217	0.20%	263069 -- BRT Comercio de Produtos de Informatica LTDA, BR
5	140.174.37.0/24	21950	0.17%	63376 -- TOUCHTONE-CUSTS, US
6	115.189.240.0/20	19318	0.15%	4771 -- SPARKNZ Spark New Zealand Trading Ltd., NZ
7	188.213.84.0/23	18691	0.15%	20473 -- AS-VULTR, US
8	147.26.5.0/24	15062	0.12%	18777 -- TEXAS-STATE-UNIVERSITY, US
9	45.172.92.0/22	14309	0.11%	265566 -- TELESISTEMAS PENINSULARES SA DE CV, MX
10	130.137.231.0/24	14254	0.11%	16509 -- AMAZON-02, US
11	181.233.80.0/22	14071	0.11%	268314 -- EWERTON DA SILVA LOPES TELECOMUNICACOES, BR 271482 -- MEGA TELECOM FIBRA, BR
12	202.181.232.0/23	13787	0.11%	7540 -- HKCIX-AS-AP HongKong Commercial Internet Exchange, HK
13	124.195.190.0/24	13680	0.11%	38684 -- CMBDAEJEON-AS-KR CMB Daejeon Broadcasting Co,.Ltd, KR
14	164.159.252.0/24	13434	0.10%	22284 -- AS22284-DOI-OPS, US
15	207.167.116.0/22	12754	0.10%	7954 -- IMMENSE-NETWORKS, US
16	186.83.117.0/24	12351	0.10%	10620 -- Telmex Colombia S.A., CO
17	195.24.192.0/20	11970	0.09%	15964 -- CAMNET-AS, CM
18	67.96.211.0/24	11871	0.09%	3356 -- LEVEL3, US
19	185.56.142.0/23	11821	0.09%	59865 -- IVM, NL
20	102.210.21.0/24	11795	0.09%	328178 -- The-Computer-Hut-AS, ZA
21	55.74.57.0/24	11794	0.09%	335 -- DNIC-ASBLK-00306-00371, US
22	55.74.56.0/24	11786	0.09%	335 -- DNIC-ASBLK-00306-00371, US
23	55.27.56.0/24	11604	0.09%	335 -- DNIC-ASBLK-00306-00371, US
24	55.67.56.0/24	11598	0.09%	335 -- DNIC-ASBLK-00306-00371, US
25	55.27.217.0/24	11596	0.09%	335 -- DNIC-ASBLK-00306-00371, US
26	189.89.81.0/24	11462	0.09%	262749 -- Andries & Cia Ltda, BR
27	193.10.255.0/24	10446	0.08%	2603 -- NORDUNET, DK
28	130.137.108.0/24	10409	0.08%	16509 -- AMAZON-02, US
29	130.137.12.0/24	10253	0.08%	16509 -- AMAZON-02, US
30	130.137.230.0/24	9614	0.07%	16509 -- AMAZON-02, US
31	84.205.66.0/24	9422	0.07%	12654 -- RIPE-NCC-RIS-AS Reseaux IP Europeens Network Coordination Centre RIPE NCC, NL
32	130.137.219.0/24	8544	0.07%	16509 -- AMAZON-02, US
33	130.137.79.0/24	8481	0.07%	16509 -- AMAZON-02, US
34	130.137.124.0/24	8450	0.07%	16509 -- AMAZON-02, US
35	130.137.80.0/24	8414	0.07%	16509 -- AMAZON-02, US
36	130.137.28.0/24	8374	0.07%	16509 -- AMAZON-02, US
37	130.137.227.0/24	8323	0.06%	16509 -- AMAZON-02, US
38	173.82.66.0/24	8249	0.06%	16509 -- AMAZON-02, US
39	130.137.26.0/24	8249	0.06%	16509 -- AMAZON-02, US
40	130.137.127.0/24	8240	0.06%	16509 -- AMAZON-02, US
41	130.137.105.0/24	8160	0.06%	16509 -- AMAZON-02, US
42	130.137.111.0/24	8139	0.06%	16509 -- AMAZON-02, US
43	130.137.130.0/24	8094	0.06%	16509 -- AMAZON-02, US
44	130.137.147.0/24	8067	0.06%	16509 -- AMAZON-02, US
45	130.137.86.0/24	8066	0.06%	16509 -- AMAZON-02, US
46	130.137.99.0/24	8044	0.06%	16509 -- AMAZON-02, US
47	173.82.67.0/24	8035	0.06%	16509 -- AMAZON-02, US
48	130.137.150.0/24	8016	0.06%	16509 -- AMAZON-02, US
49	130.137.136.0/24	8014	0.06%	16509 -- AMAZON-02, US
50	130.137.141.0/24	8009	0.06%	16509 -- AMAZON-02, US
Total		610093	4.71%

14 Day BGP Profile: 8-August-2025 00:00 - 21-August-2025 23:59 (UTC+1000)

Number of BGP Update Messages:	33097250
Number of Prefix Updates:	12496572
Number of Prefix Withdrawals:	336254
Average Prefixes per BGP Update:	0.39
Average BGP Update Messages per second:	27.36
Average Prefix Updates per second:	10.61
Peak BGP Update Message Rate per second:	70403	(12:36:37 Thu, 21-Aug-2025)
Peak Prefix Update Rate per second:	528	(09:06:42 Thu, 21-Aug-2025)
Peak Prefix Withdraw Rate per second:	37637	(12:30:14 Tue, 19-Aug-2025)
Prefix Count:	1037543
Updated Prefix Count:	804171
Stable Prefix Count:	233372
Origin AS Count:	77265
Updated Origin AS Count:	67266
Stable Origin AS Count:	9999
Unique Path Count:	608724
Updated Path Count:	491973
Stable Path Count:	116751

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.