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

RANK	ASN	UPDs	%	Prefixes	UPDs/Prefix	AS NAME
1	16509	372335	3.83%	13818	26.95	AMAZON-02, US
2	18403	341616	3.52%	4541	75.23	FPT-AS-AP FPT Telecom Company, VN
3	8151	269508	2.78%	12387	21.76	UNINET, MX
4	52752	148180	1.53%	28	5292.14	Vegas Telecom Informatica Ltda., BR
5	37545	102365	1.05%	41	2496.71	BBSS, BI
6	4155	99859	1.03%	2882	34.65	USDA-1, US
7	39891	98557	1.01%	4798	20.54	ALJAWWALSTC-AS, SA
8	15964	98077	1.01%	153	641.03	CAMNET-AS, CM
9	207990	85846	0.88%	1144	75.04	HR-CUSTOMER, IN
10	10620	75488	0.78%	3514	21.48	Telmex Colombia S.A., CO
11	28135	70952	0.73%	68	1043.41	ASSOCIACAO NACIONAL PARA INCLUSAO DIGITAL - ANID, BR
12	37069	66161	0.68%	1123	58.91	MOBINIL, EG
13	197207	63402	0.65%	2823	22.46	MCCI-AS, IR
14	36903	62432	0.64%	1249	49.99	MT-MPLS, MA
15	17049	61331	0.63%	63	973.51	MBO-NET, US
16	19429	56906	0.59%	703	80.95	ETB - Colombia, CO
17	9829	52401	0.54%	1832	28.60	BSNL-NIB National Internet Backbone, IN
18	139981	51684	0.53%	6	8614.00	MENAKSOPAL-AS-ID PT. Menaksopal Link Nusantara, ID
19	58224	49000	0.50%	1164	42.10	TCI, IR
20	647	43085	0.44%	456	94.48	DNIC-ASBLK-00616-00665, US
21	24521	38977	0.40%	60	649.62	DATAUTAMA-NAP-ID PT. DATA Utama Dinamika, ID
22	36914	38388	0.40%	588	65.29	KENET-AS, KE
23	24835	36514	0.38%	1828	19.97	RAYA-AS, EG
24	45899	35151	0.36%	3306	10.63	VNPT-AS-VN VNPT Corp, VN
25	37462	34447	0.35%	4	8611.75	Prestabist, TD
26	136103	34412	0.35%	4	8603.00	IDNIC-USM-AS-ID Universitas Semarang, ID
27	63376	32917	0.34%	2	16458.50	TOUCHTONE-CUSTS, US
28	174	31847	0.33%	3596	8.86	COGENT-174, US
29	263069	31754	0.33%	11	2886.73	BRT Comercio de Produtos de Informatica LTDA, BR
30	5371	31626	0.33%	311	101.69	DNIC-ASBLK-05120-05376, US
31	28657	30399	0.31%	2	15199.50	MD Brasil - Tecnologia da Informacao Ltda, BR
32	11830	29476	0.30%	1987	14.83	Instituto Costarricense de Electricidad y Telecom., CR
33	34615	29131	0.30%	2	14565.50	UNIVERSAL-EXPORTS Universal Exports, CH
34	36992	28532	0.29%	1533	18.61	ETISALAT-MISR, EG
35	367	28313	0.29%	2755	10.28	DNIC-ASBLK-00306-00371, US
36	17794	27123	0.28%	13	2086.38	HTCL-ORANGE-HK-AP Hutchison Telephone Company Limited, HK
37	20473	26855	0.28%	1473	18.23	AS-VULTR, US
38	27759	26627	0.27%	157	169.60	ACCESS HAITI S.A., HT
39	24757	26104	0.27%	442	59.06	EthioNet-AS, ET
40	30036	25401	0.26%	2620	9.70	MEDIACOM-ENTERPRISE-BUSINESS, US
41	211306	24842	0.26%	14	1774.43	TREADSTONE-AS, RO
42	8551	23849	0.25%	1626	14.67	BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbone, IL
43	210538	23787	0.24%	26	914.88	KEYUBU, TR
44	265566	23168	0.24%	5	4633.60	TELESISTEMAS PENINSULARES SA DE CV, MX
45	24863	23161	0.24%	1621	14.29	LINKdotNET-AS, EG
46	8369	22930	0.24%	59	388.64	INTERSVYAZ-AS 38-B, Komsomolsky prospekt, RU
47	45528	22485	0.23%	840	26.77	TIKONAIN-AS Tikona Infinet Ltd., IN
48	327798	21991	0.23%	16	1374.44	BERNET, BI
49	11664	21021	0.22%	1196	17.58	Techtel LMDS Comunicaciones Interactivas S.A., AR
50	44244	20983	0.22%	456	46.02	IRANCELL-AS, IR
Total		3121396	32.14%

50 Most active ASes for the past 14 days

RANK	ASN	UPDs/Prefix	%	Prefixes	UPDs	AS NAME
1	63376	32917.0	0.34%	2	32917	TOUCHTONE-CUSTS, US
2	28657	15199.5	0.31%	2	30399	MD Brasil - Tecnologia da Informacao Ltda, BR
3	34615	14565.5	0.30%	2	29131	UNIVERSAL-EXPORTS Universal Exports, CH
4	2603	11402.0	0.12%	11	11402	NORDUNET, DK
5	139981	10336.8	0.53%	6	51684	MENAKSOPAL-AS-ID PT. Menaksopal Link Nusantara, ID
6	329312	9064.0	0.09%	1	9064	Manano-Telecommunication-SARL, TD
7	138071	8893.0	0.09%	1	8893	IDNIC-PEMPROV-KALTENG-AS-ID PEMERINTAH PROVINSI KALIMANTAN TENGAH, ID
8	37462	8611.8	0.35%	4	34447	Prestabist, TD
9	136103	8603.0	0.35%	4	34412	IDNIC-USM-AS-ID Universitas Semarang, ID
10	32685	8398.0	0.09%	1	8398	AEG-VISION, US
11	52752	5927.2	1.53%	28	148180	Vegas Telecom Informatica Ltda., BR
12	209887	5808.0	0.06%	4	5808	BIESSE, IT
13	396950	5318.0	0.05%	1	5318	COMSTBARTH-AS, FR
14	263069	5292.3	0.33%	11	31754	BRT Comercio de Produtos de Informatica LTDA, BR
15	269819	4781.5	0.10%	3	9563	LE PERA SERGIO PATRICIONEO, AR
16	265566	4633.6	0.24%	5	23168	TELESISTEMAS PENINSULARES SA DE CV, MX
17	394678	4489.5	0.18%	4	17958	BPC-76-AS, CA
18	7954	4256.7	0.13%	3	12770	IMMENSE-NETWORKS, US
19	51408	3868.0	0.04%	1	3868	SIRIUS-AS, RU
20	13341	3804.5	0.08%	5	7609	TRANQUILITY, US
21	886	3666.0	0.04%	1	3666	SBH-IX-SERVICES, FR
22	151528	3246.0	0.03%	1	3246	IDNIC-GETLINK-AS-ID PT Global Abadi Inti Nusantara, ID
23	265953	3068.8	0.13%	4	12275	INNOVA TECNOLOGIA E SERVICOS LTDA., BR
24	399035	2767.0	0.03%	2	2767	LAMBTON-LTD-01, CA
25	327730	2670.0	0.03%	1	2670	PPF, TZ
26	37545	2496.7	1.05%	41	102365	BBSS, BI
27	37336	2493.3	0.18%	7	17453	UCOM-WIC, BI
28	17049	2358.9	0.63%	63	61331	MBO-NET, US
29	7540	2322.2	0.14%	118	13933	HKCIX-AS-AP HongKong Commercial Internet Exchange, HK
30	328599	2309.0	0.07%	3	6927	Amanet-SARL, TD
31	149038	2247.5	0.05%	2	4495	UCGCL-AS-AP UNIQUE COMM GROUP COMPANY LIMITED, MM
32	327734	2207.0	0.02%	1	2207	ECONET, BI
33	214294	2124.3	0.07%	4	6373	NOOBNET, GB
34	17794	2086.4	0.28%	13	27123	HTCL-ORANGE-HK-AP Hutchison Telephone Company Limited, HK
35	136867	2081.0	0.06%	3	6243	IDNIC-TELKOMTELSTRA-AS-ID PT. Teltranet Aplikasi Solusi Telkomtelstra, ID
36	271482	1984.8	0.10%	5	9924	MEGA TELECOM FIBRA, BR
37	56639	1928.0	0.02%	1	1928	LNET-COM-UA-AS, UA
38	59865	1925.7	0.12%	19	11554	IVM, NL
39	137258	1866.0	0.02%	1	1866	SHIRAZI-AS-AP Shirazi Investments Pvt Ltd., PK
40	18301	1845.0	0.02%	1	1845	DSNET-AS-KR ILINKKOREA, KR
41	328448	1781.0	0.02%	1	1781	Direction-Generale-Des-Impots-AS, BF
42	211306	1774.4	0.26%	14	24842	TREADSTONE-AS, RO
43	43206	1749.0	0.02%	1	1749	TNTU-AS, UA
44	31104	1731.0	0.04%	2	3462	EVACY, FR
45	209226	1709.5	0.07%	4	6838	CHU-TIVOLI, BE
46	150442	1604.0	0.02%	2	1604	BFSACD-AS-AP Bangladesh Fire Service and Civil Defense, BD
47	271084	1559.0	0.06%	4	6236	TRYMNET PROVEDOR, BR
48	40138	1419.7	0.09%	12	8518	MDNET, US
49	54262	1380.5	0.03%	4	2761	US-CERT-01, US
50	327798	1374.4	0.23%
Total		239946	9.24%

50 Most active Prefixes for the past 14 days

RANK	PREFIX	UPDs	%	Origin AS -- AS NAME
1	177.46.39.0/24	33471	0.33%	28135 -- ASSOCIACAO NACIONAL PARA INCLUSAO DIGITAL - ANID, BR
2	177.46.36.0/24	33454	0.33%	28135 -- ASSOCIACAO NACIONAL PARA INCLUSAO DIGITAL - ANID, BR
3	140.174.37.0/24	32917	0.33%	63376 -- TOUCHTONE-CUSTS, US
4	168.0.128.0/22	31685	0.31%	263069 -- BRT Comercio de Produtos de Informatica LTDA, BR
5	138.99.97.0/24	30390	0.30%	28657 -- MD Brasil - Tecnologia da Informacao Ltda, BR
6	45.172.92.0/22	23085	0.23%	265566 -- TELESISTEMAS PENINSULARES SA DE CV, MX
7	181.233.80.0/22	21989	0.22%	268314 -- EWERTON DA SILVA LOPES TELECOMUNICACOES, BR 271482 -- MEGA TELECOM FIBRA, BR
8	38.224.214.0/24	21358	0.21%	174 -- COGENT-174, US
9	189.76.66.0/23	21161	0.21%	52752 -- Vegas Telecom Informatica Ltda., BR
10	189.76.65.0/24	21157	0.21%	52752 -- Vegas Telecom Informatica Ltda., BR
11	189.76.64.0/22	21133	0.21%	52752 -- Vegas Telecom Informatica Ltda., BR
12	189.76.66.0/24	21125	0.21%	52752 -- Vegas Telecom Informatica Ltda., BR
13	189.76.64.0/23	21124	0.21%	52752 -- Vegas Telecom Informatica Ltda., BR
14	189.76.67.0/24	21115	0.21%	52752 -- Vegas Telecom Informatica Ltda., BR
15	189.76.64.0/24	21101	0.21%	52752 -- Vegas Telecom Informatica Ltda., BR
16	188.213.84.0/23	18684	0.18%	20473 -- AS-VULTR, US
17	103.71.162.0/23	16997	0.17%	139981 -- MENAKSOPAL-AS-ID PT. Menaksopal Link Nusantara, ID
18	103.80.98.0/23	16687	0.16%	139981 -- MENAKSOPAL-AS-ID PT. Menaksopal Link Nusantara, ID
19	130.137.231.0/24	14822	0.15%	16509 -- AMAZON-02, US
20	192.109.38.0/24	14578	0.14%	34615 -- UNIVERSAL-EXPORTS Universal Exports, CH
21	192.109.37.0/24	14553	0.14%	34615 -- UNIVERSAL-EXPORTS Universal Exports, CH
22	103.148.24.0/23	14283	0.14%	139981 -- MENAKSOPAL-AS-ID PT. Menaksopal Link Nusantara, ID
23	202.181.232.0/23	13805	0.14%	7540 -- HKCIX-AS-AP HongKong Commercial Internet Exchange, HK
24	186.83.117.0/24	13670	0.14%	10620 -- Telmex Colombia S.A., CO
25	195.24.192.0/20	13287	0.13%	15964 -- CAMNET-AS, CM
26	207.167.116.0/22	12764	0.13%	7954 -- IMMENSE-NETWORKS, US
27	164.163.52.0/22	12239	0.12%	265953 -- INNOVA TECNOLOGIA E SERVICOS LTDA., BR
28	77.89.192.0/22	12060	0.12%	25454 -- ASN-OMD-FNO Orange Moldova Fixed Network Autonomous System, MD
29	124.195.190.0/24	11666	0.12%	38684 -- CMBDAEJEON-AS-KR CMB Daejeon Broadcasting Co,.Ltd, KR
30	185.56.142.0/23	11543	0.11%	59865 -- IVM, NL
31	193.10.255.0/24	11402	0.11%	2603 -- NORDUNET, DK
32	45.191.129.0/24	11349	0.11%	264514 -- DESCALNET PROVEDOR LTDA - ME, BR
33	84.205.66.0/24	10839	0.11%	12654 -- RIPE-NCC-RIS-AS Reseaux IP Europeens Network Coordination Centre RIPE NCC, NL
34	130.137.108.0/24	10529	0.10%	16509 -- AMAZON-02, US
35	130.137.12.0/24	10372	0.10%	16509 -- AMAZON-02, US
36	45.187.132.0/22	9559	0.09%	269819 -- LE PERA SERGIO PATRICIONEO, AR
37	130.137.230.0/24	9323	0.09%	16509 -- AMAZON-02, US
38	102.211.107.0/24	9064	0.09%	329312 -- Manano-Telecommunication-SARL, TD
39	202.45.88.0/24	9057	0.09%	17794 -- HTCL-ORANGE-HK-AP Hutchison Telephone Company Limited, HK
40	203.145.78.0/24	9026	0.09%	17794 -- HTCL-ORANGE-HK-AP Hutchison Telephone Company Limited, HK
41	203.145.74.0/24	9018	0.09%	17794 -- HTCL-ORANGE-HK-AP Hutchison Telephone Company Limited, HK
42	103.123.24.0/23	8893	0.09%	138071 -- IDNIC-PEMPROV-KALTENG-AS-ID PEMERINTAH PROVINSI KALIMANTAN TENGAH, ID
43	197.149.131.0/24	8621	0.09%	37462 -- Prestabist, TD
44	197.149.130.0/24	8613	0.09%	37462 -- Prestabist, TD
45	197.149.129.0/24	8612	0.09%	37462 -- Prestabist, TD
46	103.134.212.0/24	8603	0.09%	136103 -- IDNIC-USM-AS-ID Universitas Semarang, ID
47	103.134.214.0/24	8603	0.09%	136103 -- IDNIC-USM-AS-ID Universitas Semarang, ID
48	103.134.215.0/24	8603	0.09%	136103 -- IDNIC-USM-AS-ID Universitas Semarang, ID
49	103.90.210.0/24	8603	0.09%	136103 -- IDNIC-USM-AS-ID Universitas Semarang, ID
50	197.149.128.0/24	8601	0.09%	37462 -- Prestabist, TD
Total		775193	7.70%

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.