The BGP Instability Report

The BGP Instability Report is updated daily. This report
was generated on 17 June 2025 06:22 (UTC+1000)

50 Most active ASes for the past 14 days

RANK	ASN	UPDs	%	Prefixes	UPDs/Prefix	AS NAME
1	16509	353874	4.12%	13884	25.49	AMAZON-02, US
2	8151	159005	1.85%	12277	12.95	UNINET, MX
3	45899	151864	1.77%	3291	46.15	VNPT-AS-VN VNPT Corp, VN
4	4155	72967	0.85%	2817	25.90	USDA-1, US
5	39238	69003	0.80%	145	475.88	OKBPROGRESS Moscow, Russia, RU
6	28135	67560	0.79%	69	979.13	ASSOCIACAO NACIONAL PARA INCLUSAO DIGITAL - ANID, BR
7	52752	67287	0.78%	28	2403.11	Vegas Telecom Informatica Ltda., BR
8	9829	62197	0.72%	1836	33.88	BSNL-NIB National Internet Backbone, IN
9	17049	57220	0.67%	64	894.06	MBO-NET, US
10	10620	53955	0.63%	3502	15.41	Telmex Colombia S.A., CO
11	212667	53414	0.62%	104	513.60	ISPIRIA-AS, RU
12	150706	50166	0.58%	117	428.77	HKZTCL-AS-AP Hong Kong Zhengxing Technology Co., Ltd., HK
13	58224	48052	0.56%	1182	40.65	TCI, IR
14	7552	45404	0.53%	3929	11.56	VIETEL-AS-AP Viettel Group, VN
15	51559	44314	0.52%	131	338.27	NETINTERNET Netinternet Bilisim Teknolojileri AS, TR
16	42337	43940	0.51%	679	64.71	RESPINA-AS, IR
17	174	42119	0.49%	4775	8.82	COGENT-174, US
18	17794	39878	0.46%	13	3067.54	HTCL-ORANGE-HK-AP Hutchison Telephone Company Limited, HK
19	25184	36655	0.43%	241	152.10	AFRANET to AS62265 announce AS25184, IR
20	647	36604	0.43%	413	88.63	DNIC-ASBLK-00616-00665, US
21	11830	35771	0.42%	1991	17.97	Instituto Costarricense de Electricidad y Telecom., CR
22	197207	35608	0.41%	843	42.24	MCCI-AS, IR
23	44244	34768	0.40%	1079	32.22	IRANCELL-AS, IR
24	63376	31588	0.37%	2	15794.00	TOUCHTONE-CUSTS, US
25	367	31113	0.36%	2677	11.62	DNIC-ASBLK-00306-00371, US
26	263069	30744	0.36%	11	2794.91	BRT Comercio de Produtos de Informatica LTDA, BR
27	209181	30282	0.35%	43	704.23	ZENEX5IVE-NL, GB
28	20940	28638	0.33%	4089	7.00	AKAMAI-ASN1, NL
29	13188	28289	0.33%	1606	17.61	TRIOLAN, UA
30	37294	28223	0.33%	116	243.30	TNM, MW
31	36903	27787	0.32%	1251	22.21	MT-MPLS, MA
32	20473	27472	0.32%	1335	20.58	AS-VULTR, US
33	25454	27423	0.32%	47	583.47	ASN-OMD-FNO Orange Moldova Fixed Network Autonomous System, MD
34	5371	26791	0.31%	298	89.90	DNIC-ASBLK-05120-05376, US
35	35819	26739	0.31%	601	44.49	MOBILY-AS Etihad Etisalat Company Mobily, SA
36	36914	26593	0.31%	578	46.01	KENET-AS, KE
37	262749	26392	0.31%	29	910.07	Andries & Cia Ltda, BR
38	23673	25478	0.30%	136	187.34	ONLINE-AS Cogetel Online, Cambodia, ISP, KH
39	11664	25238	0.29%	1206	20.93	Techtel LMDS Comunicaciones Interactivas S.A., AR
40	12479	25103	0.29%	7784	3.22	UNI2-AS, ES
41	203214	25071	0.29%	875	28.65	HULUMTELE, IQ
42	8369	23219	0.27%	60	386.98	INTERSVYAZ-AS 38-B, Komsomolsky prospekt, RU
43	265566	22426	0.26%	5	4485.20	TELESISTEMAS PENINSULARES SA DE CV, MX
44	264036	22179	0.26%	7	3168.43	CRM SERVICOS DE INTERNET LTDA, BR
45	19429	22086	0.26%	701	31.51	ETB - Colombia, CO
46	7029	21480	0.25%	2081	10.32	WINDSTREAM, US
47	9583	20306	0.24%	1939	10.47	SIFY-AS-IN Sify Limited, IN
48	55933	20151	0.23%	638	31.58	CLOUDIE-AS-AP Cloudie Limited, HK
49	28657	19941	0.23%	2	9970.50	MD Brasil - Tecnologia da Informacao Ltda, BR
50	138071	18197	0.21%	1	18197.00	IDNIC-PEMPROV-KALTENG-AS-ID PEMERINTAH PROVINSI KALIMANTAN TENGAH, ID
Total		2350574	27.35%

50 Most active ASes for the past 14 days

RANK	ASN	UPDs/Prefix	%	Prefixes	UPDs	AS NAME
1	138071	18197.0	0.21%	1	18197	IDNIC-PEMPROV-KALTENG-AS-ID PEMERINTAH PROVINSI KALIMANTAN TENGAH, ID
2	63376	15794.0	0.37%	2	31588	TOUCHTONE-CUSTS, US
3	17794	13292.7	0.46%	13	39878	HTCL-ORANGE-HK-AP Hutchison Telephone Company Limited, HK
4	7954	10174.0	0.12%	3	10174	IMMENSE-NETWORKS, US
5	28657	9970.5	0.23%	2	19941	MD Brasil - Tecnologia da Informacao Ltda, BR
6	213439	9595.0	0.11%	1	9595	GLS-HUNGARY, HU
7	34615	7320.5	0.17%	2	14641	UNIVERSAL-EXPORTS Universal Exports, CH
8	51408	6493.0	0.08%	1	6493	SIRIUS-AS, RU
9	265389	5531.0	0.06%	1	5531	PAY USE MULTIMIDIA LTDA, BR
10	396950	4735.0	0.06%	1	4735	COMSTBARTH-AS, FR
11	15570	4559.0	0.05%	18	4559	INAP-LON Internap European Autonomous System, GB
12	265566	4485.2	0.26%	5	22426	TELESISTEMAS PENINSULARES SA DE CV, MX
13	263069	3843.0	0.36%	11	30744	BRT Comercio de Produtos de Informatica LTDA, BR
14	397656	3800.0	0.04%	1	3800	CHI01-US-CENTRIEN-COM, US
15	8987	3795.0	0.18%	93	15180	AWS-GOVCLOUD AWS-GOVCLOUD, IE
16	397829	3621.0	0.04%	1	3621	SCC-INET-01, CA
17	139898	3526.0	0.04%	17	3526	DCL-AS-AP Digitec Communications Limited, PG
18	30522	3468.0	0.04%	2	3468	MNMC, US
19	264036	3168.4	0.26%	7	22179	CRM SERVICOS DE INTERNET LTDA, BR
20	136867	3158.5	0.07%	3	6317	IDNIC-TELKOMTELSTRA-AS-ID PT. Teltranet Aplikasi Solusi Telkomtelstra, ID
21	886	3097.0	0.04%	1	3097	SBH-IX-SERVICES, FR
22	265953	2842.5	0.13%	4	11370	INNOVA TECNOLOGIA E SERVICOS LTDA., BR
23	2603	2700.0	0.03%	11	2700	NORDUNET, DK
24	7540	2432.6	0.14%	118	12163	HKCIX-AS-AP HongKong Commercial Internet Exchange, HK
25	52752	2403.1	0.78%	28	67287	Vegas Telecom Informatica Ltda., BR
26	271084	2292.8	0.11%	4	9171	TRYMNET PROVEDOR, BR
27	328509	2253.2	0.13%	5	11266	SpeedNet-Servicos, AO
28	136103	2214.5	0.10%	4	8858	IDNIC-USM-AS-ID Universitas Semarang, ID
29	32685	2051.0	0.02%	1	2051	AEG-VISION, US
30	267660	2023.5	0.05%	5	4047	T & S SERVICO DE COMUNICACAO MULTIMIDIA LTDA, BR
31	263234	1914.0	0.02%	1	1914	SECRETARIA DE ESTADO EN EL DESPACHO DE FINANZAS, HN
32	214122	1884.5	0.04%	2	3769	CIVO-INDIA, IN
33	56639	1824.0	0.02%	1	1824	LNET-COM-UA-AS, UA
34	13341	1767.8	0.08%	5	7071	TRANQUILITY, US
35	27621	1748.0	0.02%	8	1748	AMERICAN-COMPUTER-ASSOCIATES-SCHUYL-INC, US
36	137258	1746.0	0.02%	1	1746	SHIRAZI-AS-AP Shirazi Investments Pvt Ltd., PK
37	31104	1744.5	0.04%	2	3489	EVACY, FR
38	271482	1558.8	0.09%	5	7794	MEGA TELECOM FIBRA, BR
39	131872	1522.0	0.04%	2	3044	IITP-AS-KR IITP, KR
40	133841	1326.8	0.08%	7	6634	IDOLA-BROADBAND-AS-ID INDONESIA BROADBAND ACCESS - ANYWHERE, ID
41	273202	1296.0	0.03%	2	2592	ZONALIBRE INGENIERIA S.A.S., CO
42	203377	1265.7	0.04%	3	3797	FIBERNET-TEKNOLOJI-LTD, TR
43	211188	1220.0	0.01%	1	1220	ASBTSLTD, GB
44	149038	1212.5	0.03%	2	2425	UCGCL-AS-AP UNIQUE COMM GROUP COMPANY LIMITED, MM
45	54746	1202.0	0.03%	4	2404	KLAZO-ASN, US
46	33764	1198.0	0.03%	3	2396	AFRINIC-ZA-JNB-AS, MU
47	36917	1172.7	0.10%	7	8209	ACS, AO
48	139955	1145.0	0.08%	6	6870	DATAPRIME-AS-ID PT DATA PRIMA SOLUSINDO, ID
49	131578	1119.0	0.01%	1	1119	BFSUNET Beijing Foreign Studies University, CN
50	139494	1096.0	0.01%
Total		191800.3	5.56%

50 Most active Prefixes for the past 14 days

RANK	PREFIX	UPDs	%	Origin AS -- AS NAME
1	177.46.36.0/24	32675	0.37%	28135 -- ASSOCIACAO NACIONAL PARA INCLUSAO DIGITAL - ANID, BR
2	177.46.39.0/24	31972	0.36%	28135 -- ASSOCIACAO NACIONAL PARA INCLUSAO DIGITAL - ANID, BR
3	140.174.37.0/24	31587	0.36%	63376 -- TOUCHTONE-CUSTS, US
4	168.0.128.0/22	30688	0.35%	263069 -- BRT Comercio de Produtos de Informatica LTDA, BR
5	77.89.192.0/22	27128	0.31%	25454 -- ASN-OMD-FNO Orange Moldova Fixed Network Autonomous System, MD
6	189.89.81.0/24	26261	0.30%	262749 -- Andries & Cia Ltda, BR
7	38.224.214.0/24	23682	0.27%	174 -- COGENT-174, US
8	124.248.160.0/19	23337	0.26%	23673 -- ONLINE-AS Cogetel Online, Cambodia, ISP, KH
9	45.172.92.0/22	22395	0.25%	265566 -- TELESISTEMAS PENINSULARES SA DE CV, MX
10	138.99.97.0/24	19914	0.22%	28657 -- MD Brasil - Tecnologia da Informacao Ltda, BR
11	188.213.84.0/23	18803	0.21%	20473 -- AS-VULTR, US
12	103.123.24.0/23	18197	0.21%	138071 -- IDNIC-PEMPROV-KALTENG-AS-ID PEMERINTAH PROVINSI KALIMANTAN TENGAH, ID
13	202.45.88.0/24	13319	0.15%	17794 -- HTCL-ORANGE-HK-AP Hutchison Telephone Company Limited, HK
14	203.145.74.0/24	13294	0.15%	17794 -- HTCL-ORANGE-HK-AP Hutchison Telephone Company Limited, HK
15	203.145.78.0/24	13265	0.15%	17794 -- HTCL-ORANGE-HK-AP Hutchison Telephone Company Limited, HK
16	130.137.231.0/24	13245	0.15%	16509 -- AMAZON-02, US
17	124.195.190.0/24	12406	0.14%	38684 -- CMBDAEJEON-AS-KR CMB Daejeon Broadcasting Co,.Ltd, KR
18	202.181.232.0/23	12159	0.14%	7540 -- HKCIX-AS-AP HongKong Commercial Internet Exchange, HK
19	138.113.82.0/24	11388	0.13%	54994 -- ML-1432-54994, CA
20	164.163.52.0/22	11260	0.13%	265953 -- INNOVA TECNOLOGIA E SERVICOS LTDA., BR
21	181.233.80.0/22	10938	0.12%	268314 -- EWERTON DA SILVA LOPES TELECOMUNICACOES, BR 271482 -- MEGA TELECOM FIBRA, BR
22	130.137.108.0/24	10356	0.12%	16509 -- AMAZON-02, US
23	207.167.116.0/22	10174	0.11%	7954 -- IMMENSE-NETWORKS, US
24	130.137.12.0/24	10144	0.11%	16509 -- AMAZON-02, US
25	189.76.65.0/24	9652	0.11%	52752 -- Vegas Telecom Informatica Ltda., BR
26	189.76.67.0/24	9600	0.11%	52752 -- Vegas Telecom Informatica Ltda., BR
27	189.76.64.0/22	9599	0.11%	52752 -- Vegas Telecom Informatica Ltda., BR
28	91.82.221.0/24	9595	0.11%	213439 -- GLS-HUNGARY, HU
29	189.76.66.0/23	9566	0.11%	52752 -- Vegas Telecom Informatica Ltda., BR
30	189.76.64.0/23	9554	0.11%	52752 -- Vegas Telecom Informatica Ltda., BR
31	189.76.64.0/24	9543	0.11%	52752 -- Vegas Telecom Informatica Ltda., BR
32	189.76.66.0/24	9497	0.11%	52752 -- Vegas Telecom Informatica Ltda., BR
33	84.205.66.0/24	9307	0.10%	12654 -- RIPE-NCC-RIS-AS Reseaux IP Europeens Network Coordination Centre RIPE NCC, NL
34	179.48.37.0/24	9112	0.10%	271084 -- TRYMNET PROVEDOR, BR
35	130.137.227.0/24	8623	0.10%	16509 -- AMAZON-02, US
36	130.137.111.0/24	8406	0.09%	16509 -- AMAZON-02, US
37	130.137.140.0/24	8361	0.09%	16509 -- AMAZON-02, US
38	130.137.130.0/24	8308	0.09%	16509 -- AMAZON-02, US
39	130.137.105.0/24	8304	0.09%	16509 -- AMAZON-02, US
40	130.137.99.0/24	8271	0.09%	16509 -- AMAZON-02, US
41	130.137.127.0/24	8261	0.09%	16509 -- AMAZON-02, US
42	130.137.124.0/24	8196	0.09%	16509 -- AMAZON-02, US
43	130.137.81.0/24	8188	0.09%	16509 -- AMAZON-02, US
44	173.82.108.0/24	8169	0.09%	16509 -- AMAZON-02, US
45	130.137.86.0/24	8155	0.09%	16509 -- AMAZON-02, US
46	195.114.123.0/24	8124	0.09%	8369 -- INTERSVYAZ-AS 38-B, Komsomolsky prospekt, RU
47	173.82.67.0/24	8091	0.09%	16509 -- AMAZON-02, US
48	130.137.150.0/24	8084	0.09%	16509 -- AMAZON-02, US
49	130.137.136.0/24	8082	0.09%	16509 -- AMAZON-02, US
50	130.137.26.0/24	8077	0.09%	16509 -- AMAZON-02, US
Total		675312	7.60%

14 Day BGP Profile: 3-June-2025 00:00 - 16-June-2025 23:59 (UTC+1000)

Number of BGP Update Messages:	21628385
Number of Prefix Updates:	8587051
Number of Prefix Withdrawals:	277351
Average Prefixes per BGP Update:	0.41
Average BGP Update Messages per second:	17.88
Average Prefix Updates per second:	7.33
Peak BGP Update Message Rate per second:	22751	(08:53:27 Wed, 11-Jun-2025)
Peak Prefix Update Rate per second:	1384	(09:46:53 Tue, 10-Jun-2025)
Peak Prefix Withdraw Rate per second:	12487	(18:05:58 Wed, 4-Jun-2025)
Prefix Count:	1030772
Updated Prefix Count:	679828
Stable Prefix Count:	350944
Origin AS Count:	76992
Updated Origin AS Count:	60282
Stable Origin AS Count:	16710
Unique Path Count:	549527
Updated Path Count:	407560
Stable Path Count:	141967

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.