The BGP Instability Report

The BGP Instability Report is updated daily. This report
was generated on 19 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	374337	3.88%	13825	27.08	AMAZON-02, US
2	18403	341624	3.54%	4549	75.10	FPT-AS-AP FPT Telecom Company, VN
3	8151	273258	2.83%	12387	22.06	UNINET, MX
4	52752	148202	1.54%	28	5292.93	Vegas Telecom Informatica Ltda., BR
5	4155	100895	1.05%	2884	34.98	USDA-1, US
6	39891	98557	1.02%	4798	20.54	ALJAWWALSTC-AS, SA
7	207990	85428	0.89%	1144	74.67	HR-CUSTOMER, IN
8	15964	82361	0.85%	153	538.31	CAMNET-AS, CM
9	10620	81211	0.84%	3515	23.10	Telmex Colombia S.A., CO
10	28135	70247	0.73%	68	1033.04	ASSOCIACAO NACIONAL PARA INCLUSAO DIGITAL - ANID, BR
11	37069	70083	0.73%	1123	62.41	MOBINIL, EG
12	36903	63735	0.66%	1249	51.03	MT-MPLS, MA
13	17049	59007	0.61%	63	936.62	MBO-NET, US
14	197207	58634	0.61%	2551	22.98	MCCI-AS, IR
15	19429	58247	0.60%	703	82.85	ETB - Colombia, CO
16	9829	50777	0.53%	1833	27.70	BSNL-NIB National Internet Backbone, IN
17	139981	47940	0.50%	6	7990.00	MENAKSOPAL-AS-ID PT. Menaksopal Link Nusantara, ID
18	58224	45513	0.47%	1164	39.10	TCI, IR
19	647	43784	0.45%	456	96.02	DNIC-ASBLK-00616-00665, US
20	24835	39440	0.41%	1828	21.58	RAYA-AS, EG
21	36914	37385	0.39%	588	63.58	KENET-AS, KE
22	45899	36331	0.38%	3306	10.99	VNPT-AS-VN VNPT Corp, VN
23	136103	34396	0.36%	4	8599.00	IDNIC-USM-AS-ID Universitas Semarang, ID
24	37462	33549	0.35%	4	8387.25	Prestabist, TD
25	63376	33168	0.34%	2	16584.00	TOUCHTONE-CUSTS, US
26	5371	32758	0.34%	312	104.99	DNIC-ASBLK-05120-05376, US
27	37545	32327	0.34%	41	788.46	BBSS, BI
28	263069	31844	0.33%	11	2894.91	BRT Comercio de Produtos de Informatica LTDA, BR
29	11830	30907	0.32%	1987	15.55	Instituto Costarricense de Electricidad y Telecom., CR
30	174	30607	0.32%	3599	8.50	COGENT-174, US
31	28657	30470	0.32%	2	15235.00	MD Brasil - Tecnologia da Informacao Ltda, BR
32	24521	30350	0.31%	60	505.83	DATAUTAMA-NAP-ID PT. DATA Utama Dinamika, ID
33	34615	29933	0.31%	2	14966.50	UNIVERSAL-EXPORTS Universal Exports, CH
34	36992	29071	0.30%	1533	18.96	ETISALAT-MISR, EG
35	367	28781	0.30%	2760	10.43	DNIC-ASBLK-00306-00371, US
36	24757	27029	0.28%	442	61.15	EthioNet-AS, ET
37	30036	26755	0.28%	2620	10.21	MEDIACOM-ENTERPRISE-BUSINESS, US
38	20473	26427	0.27%	1474	17.93	AS-VULTR, US
39	211306	25824	0.27%	14	1844.57	TREADSTONE-AS, RO
40	210538	25313	0.26%	26	973.58	KEYUBU, TR
41	17794	25138	0.26%	13	1933.69	HTCL-ORANGE-HK-AP Hutchison Telephone Company Limited, HK
42	11664	25123	0.26%	1210	20.76	Techtel LMDS Comunicaciones Interactivas S.A., AR
43	24863	23826	0.25%	1621	14.70	LINKdotNET-AS, EG
44	8551	23753	0.25%	1626	14.61	BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbone, IL
45	8369	23115	0.24%	59	391.78	INTERSVYAZ-AS 38-B, Komsomolsky prospekt, RU
46	265566	22966	0.24%	5	4593.20	TELESISTEMAS PENINSULARES SA DE CV, MX
47	45528	22592	0.23%	840	26.90	TIKONAIN-AS Tikona Infinet Ltd., IN
48	209737	21885	0.23%	35	625.29	AS209737, TR
49	27759	21746	0.23%	157	138.51	ACCESS HAITI S.A., HT
50	44244	21054	0.22%	456	46.17	IRANCELL-AS, IR
Total		3037703	31.52%

50 Most active ASes for the past 14 days

RANK	ASN	UPDs/Prefix	%	Prefixes	UPDs	AS NAME
1	63376	33168.0	0.34%	2	33168	TOUCHTONE-CUSTS, US
2	28657	15235.0	0.32%	2	30470	MD Brasil - Tecnologia da Informacao Ltda, BR
3	34615	14966.5	0.31%	2	29933	UNIVERSAL-EXPORTS Universal Exports, CH
4	2603	11459.0	0.12%	11	11459	NORDUNET, DK
5	138071	10594.0	0.11%	1	10594	IDNIC-PEMPROV-KALTENG-AS-ID PEMERINTAH PROVINSI KALIMANTAN TENGAH, ID
6	139981	9588.0	0.50%	6	47940	MENAKSOPAL-AS-ID PT. Menaksopal Link Nusantara, ID
7	32685	9149.0	0.09%	1	9149	AEG-VISION, US
8	329312	9006.0	0.09%	1	9006	Manano-Telecommunication-SARL, TD
9	136103	8599.0	0.36%	4	34396	IDNIC-USM-AS-ID Universitas Semarang, ID
10	37462	8387.2	0.35%	4	33549	Prestabist, TD
11	209887	6515.0	0.07%	4	6515	BIESSE, IT
12	52752	5700.1	1.54%	28	148202	Vegas Telecom Informatica Ltda., BR
13	396950	5178.0	0.05%	1	5178	COMSTBARTH-AS, FR
14	269819	4781.5	0.10%	3	9563	LE PERA SERGIO PATRICIONEO, AR
15	265566	4593.2	0.24%	5	22966	TELESISTEMAS PENINSULARES SA DE CV, MX
16	263069	4549.1	0.33%	11	31844	BRT Comercio de Produtos de Informatica LTDA, BR
17	394678	4489.5	0.19%	4	17958	BPC-76-AS, CA
18	7954	4301.7	0.13%	3	12905	IMMENSE-NETWORKS, US
19	13341	3813.0	0.08%	5	7626	TRANQUILITY, US
20	886	3657.0	0.04%	1	3657	SBH-IX-SERVICES, FR
21	51408	3381.0	0.04%	1	3381	SIRIUS-AS, RU
22	265953	2962.5	0.12%	4	11850	INNOVA TECNOLOGIA E SERVICOS LTDA., BR
23	399035	2767.0	0.03%	2	2767	LAMBTON-LTD-01, CA
24	151528	2714.0	0.03%	1	2714	IDNIC-GETLINK-AS-ID PT Global Abadi Inti Nusantara, ID
25	328599	2514.0	0.08%	3	7542	Amanet-SARL, TD
26	327730	2358.0	0.02%	1	2358	PPF, TZ
27	7540	2348.8	0.15%	118	14093	HKCIX-AS-AP HongKong Commercial Internet Exchange, HK
28	17049	2269.5	0.61%	63	59007	MBO-NET, US
29	214294	2177.0	0.07%	4	6531	NOOBNET, GB
30	136867	2119.7	0.07%	3	6359	IDNIC-TELKOMTELSTRA-AS-ID PT. Teltranet Aplikasi Solusi Telkomtelstra, ID
31	59865	2100.3	0.13%	19	12602	IVM, NL
32	56639	1993.0	0.02%	1	1993	LNET-COM-UA-AS, UA
33	17794	1933.7	0.26%	13	25138	HTCL-ORANGE-HK-AP Hutchison Telephone Company Limited, HK
34	137258	1899.0	0.02%	1	1899	SHIRAZI-AS-AP Shirazi Investments Pvt Ltd., PK
35	271482	1885.4	0.10%	5	9427	MEGA TELECOM FIBRA, BR
36	18301	1845.0	0.02%	1	1845	DSNET-AS-KR ILINKKOREA, KR
37	211306	1844.6	0.27%	14	25824	TREADSTONE-AS, RO
38	328448	1787.0	0.02%	1	1787	Direction-Generale-Des-Impots-AS, BF
39	31104	1758.5	0.04%	2	3517	EVACY, FR
40	209226	1709.5	0.07%	4	6838	CHU-TIVOLI, BE
41	54262	1597.0	0.03%	4	3194	US-CERT-01, US
42	150442	1587.0	0.02%	2	1587	BFSACD-AS-AP Bangladesh Fire Service and Civil Defense, BD
43	271084	1574.5	0.07%	4	6298	TRYMNET PROVEDOR, BR
44	43206	1483.0	0.02%	1	1483	TNTU-AS, UA
45	40138	1350.7	0.08%	12	8104	MDNET, US
46	215761	1332.5	0.06%	4	5330	MFATIHASAN, TR
47	139955	1237.7	0.08%	6	7426	DATAPRIME-AS-ID PT DATA PRIMA SOLUSINDO, ID
48	1734	1221.0	0.01%	3	1221	ROP-COCA-AS01, US
49	329335	1195.0	0.01%	1	1195	Department-of-HIV-AIDS-and-Viral-Hepatitis, MW
50	54746	1191.0	0.02%
Total		235866.7	7.93%

50 Most active Prefixes for the past 14 days

RANK	PREFIX	UPDs	%	Origin AS -- AS NAME
1	140.174.37.0/24	33168	0.33%	63376 -- TOUCHTONE-CUSTS, US
2	177.46.36.0/24	33120	0.33%	28135 -- ASSOCIACAO NACIONAL PARA INCLUSAO DIGITAL - ANID, BR
3	177.46.39.0/24	33117	0.33%	28135 -- ASSOCIACAO NACIONAL PARA INCLUSAO DIGITAL - ANID, BR
4	168.0.128.0/22	31776	0.32%	263069 -- BRT Comercio de Produtos de Informatica LTDA, BR
5	138.99.97.0/24	30461	0.30%	28657 -- MD Brasil - Tecnologia da Informacao Ltda, BR
6	45.172.92.0/22	22883	0.23%	265566 -- TELESISTEMAS PENINSULARES SA DE CV, MX
7	181.233.80.0/22	21340	0.21%	268314 -- EWERTON DA SILVA LOPES TELECOMUNICACOES, BR 271482 -- MEGA TELECOM FIBRA, BR
8	189.76.65.0/24	21162	0.21%	52752 -- Vegas Telecom Informatica Ltda., BR
9	189.76.66.0/23	21161	0.21%	52752 -- Vegas Telecom Informatica Ltda., BR
10	189.76.64.0/22	21133	0.21%	52752 -- Vegas Telecom Informatica Ltda., BR
11	189.76.66.0/24	21132	0.21%	52752 -- Vegas Telecom Informatica Ltda., BR
12	189.76.64.0/23	21124	0.21%	52752 -- Vegas Telecom Informatica Ltda., BR
13	189.76.67.0/24	21122	0.21%	52752 -- Vegas Telecom Informatica Ltda., BR
14	189.76.64.0/24	21106	0.21%	52752 -- Vegas Telecom Informatica Ltda., BR
15	38.224.214.0/24	19872	0.20%	174 -- COGENT-174, US
16	188.213.84.0/23	18771	0.19%	20473 -- AS-VULTR, US
17	103.71.162.0/23	15706	0.16%	139981 -- MENAKSOPAL-AS-ID PT. Menaksopal Link Nusantara, ID
18	103.80.98.0/23	15419	0.15%	139981 -- MENAKSOPAL-AS-ID PT. Menaksopal Link Nusantara, ID
19	130.137.231.0/24	15013	0.15%	16509 -- AMAZON-02, US
20	192.109.38.0/24	14978	0.15%	34615 -- UNIVERSAL-EXPORTS Universal Exports, CH
21	192.109.37.0/24	14955	0.15%	34615 -- UNIVERSAL-EXPORTS Universal Exports, CH
22	202.181.232.0/23	13965	0.14%	7540 -- HKCIX-AS-AP HongKong Commercial Internet Exchange, HK
23	186.83.117.0/24	13895	0.14%	10620 -- Telmex Colombia S.A., CO
24	195.24.192.0/20	13367	0.13%	15964 -- CAMNET-AS, CM
25	103.148.24.0/23	13177	0.13%	139981 -- MENAKSOPAL-AS-ID PT. Menaksopal Link Nusantara, ID
26	207.167.116.0/22	12899	0.13%	7954 -- IMMENSE-NETWORKS, US
27	185.56.142.0/23	12591	0.13%	59865 -- IVM, NL
28	124.195.190.0/24	11807	0.12%	38684 -- CMBDAEJEON-AS-KR CMB Daejeon Broadcasting Co,.Ltd, KR
29	164.163.52.0/22	11804	0.12%	265953 -- INNOVA TECNOLOGIA E SERVICOS LTDA., BR
30	193.10.255.0/24	11459	0.11%	2603 -- NORDUNET, DK
31	45.191.129.0/24	11349	0.11%	264514 -- DESCALNET PROVEDOR LTDA - ME, BR
32	84.205.66.0/24	11033	0.11%	12654 -- RIPE-NCC-RIS-AS Reseaux IP Europeens Network Coordination Centre RIPE NCC, NL
33	103.123.24.0/23	10594	0.11%	138071 -- IDNIC-PEMPROV-KALTENG-AS-ID PEMERINTAH PROVINSI KALIMANTAN TENGAH, ID
34	130.137.108.0/24	10512	0.10%	16509 -- AMAZON-02, US
35	130.137.12.0/24	10341	0.10%	16509 -- AMAZON-02, US
36	77.89.192.0/22	9888	0.10%	25454 -- ASN-OMD-FNO Orange Moldova Fixed Network Autonomous System, MD
37	45.187.132.0/22	9559	0.10%	269819 -- LE PERA SERGIO PATRICIONEO, AR
38	130.137.230.0/24	9409	0.09%	16509 -- AMAZON-02, US
39	161.199.252.0/24	9149	0.09%	32685 -- AEG-VISION, US
40	102.211.107.0/24	9006	0.09%	329312 -- Manano-Telecommunication-SARL, TD
41	103.90.210.0/24	8599	0.09%	136103 -- IDNIC-USM-AS-ID Universitas Semarang, ID
42	103.134.215.0/24	8599	0.09%	136103 -- IDNIC-USM-AS-ID Universitas Semarang, ID
43	103.134.212.0/24	8599	0.09%	136103 -- IDNIC-USM-AS-ID Universitas Semarang, ID
44	103.134.214.0/24	8599	0.09%	136103 -- IDNIC-USM-AS-ID Universitas Semarang, ID
45	130.137.127.0/24	8546	0.08%	16509 -- AMAZON-02, US
46	130.137.140.0/24	8526	0.08%	16509 -- AMAZON-02, US
47	130.137.130.0/24	8482	0.08%	16509 -- AMAZON-02, US
48	130.137.227.0/24	8458	0.08%	16509 -- AMAZON-02, US
49	130.137.124.0/24	8417	0.08%	16509 -- AMAZON-02, US
50	130.137.219.0/24	8415	0.08%	16509 -- AMAZON-02, US
Total		769563	7.66%

14 Day BGP Profile: 5-July-2025 00:00 - 18-July-2025 23:59 (UTC+1000)

Number of BGP Update Messages:	21742135
Number of Prefix Updates:	9648221
Number of Prefix Withdrawals:	410650
Average Prefixes per BGP Update:	0.46
Average BGP Update Messages per second:	17.97
Average Prefix Updates per second:	8.32
Peak BGP Update Message Rate per second:	45061	(12:41:58 Mon, 7-Jul-2025)
Peak Prefix Update Rate per second:	2047	(08:35:53 Wed, 9-Jul-2025)
Peak Prefix Withdraw Rate per second:	20672	(12:41:58 Mon, 7-Jul-2025)
Prefix Count:	1035651
Updated Prefix Count:	708913
Stable Prefix Count:	326738
Origin AS Count:	77088
Updated Origin AS Count:	62724
Stable Origin AS Count:	14364
Unique Path Count:	590943
Updated Path Count:	449111
Stable Path Count:	141832

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.