The BGP Instability Report

The BGP Instability Report is updated daily. This report
was generated on 14 September 2025 06:24 (UTC+1000)

50 Most active ASes for the past 14 days

RANK	ASN	UPDs	%	Prefixes	UPDs/Prefix	AS NAME
1	16509	306303	3.23%	14540	21.07	AMAZON-02, US
2	18101	232204	2.45%	690	336.53	RELIANCE-COMMUNICATIONS-IN Reliance Communications Ltd.DAKC MUMBAI, IN
3	8151	170614	1.80%	12452	13.70	UNINET, MX
4	4155	115992	1.22%	3902	29.73	USDA-1, US
5	39891	106596	1.12%	4798	22.22	ALJAWWALSTC-AS, SA
6	58224	93113	0.98%	1172	79.45	TCI, IR
7	15964	70953	0.75%	161	440.70	CAMNET-AS, CM
8	207990	70022	0.74%	1129	62.02	HR-CUSTOMER, IN
9	203020	66663	0.70%	1905	34.99	HOSTROYALE, IN
10	7552	62314	0.66%	3958	15.74	VIETEL-AS-AP Viettel Group, VN
11	203214	60033	0.63%	810	74.11	HULUMTELE, IQ
12	335	55292	0.58%	220	251.33	DNIC-ASBLK-00306-00371, US
13	36903	55220	0.58%	1250	44.18	MT-MPLS, MA
14	36914	51647	0.54%	591	87.39	KENET-AS, KE
15	13188	48506	0.51%	1607	30.18	TRIOLAN, UA
16	45899	44078	0.46%	3311	13.31	VNPT-AS-VN VNPT Corp, VN
17	197207	43958	0.46%	819	53.67	MCCI-AS, IR
18	367	43200	0.46%	2692	16.05	DNIC-ASBLK-00306-00371, US
19	26615	39205	0.41%	1015	38.63	TIM SA, BR
20	24835	36243	0.38%	1851	19.58	RAYA-AS, EG
21	647	35804	0.38%	436	82.12	DNIC-ASBLK-00616-00665, US
22	11830	34849	0.37%	1989	17.52	Instituto Costarricense de Electricidad y Telecom., CR
23	11492	30026	0.32%	4752	6.32	CABLEONE, US
24	28135	29412	0.31%	69	426.26	ASSOCIACAO NACIONAL PARA INCLUSAO DIGITAL - ANID, BR
25	9829	28774	0.30%	1858	15.49	BSNL-NIB National Internet Backbone, IN
26	11664	28710	0.30%	1240	23.15	Techtel LMDS Comunicaciones Interactivas S.A., AR
27	27773	26549	0.28%	536	49.53	MILLICOM CABLE EL SALVADOR S.A. DE C.V., SV
28	136255	26036	0.27%	126	206.63	TIMCL-AS-AP Telecom International Myanmar Co., Ltd, MM
29	25019	24369	0.26%	1141	21.36	SAUDINETSTC-AS, SA
30	5972	23914	0.25%	1408	16.98	DNIC-ASBLK-05800-06055, US
31	5371	23338	0.25%	281	83.05	DNIC-ASBLK-05120-05376, US
32	55410	23240	0.24%	1142	20.35	VIL-AS-AP Vodafone Idea Ltd, IN
33	38266	22735	0.24%	734	30.97	VIL-AS-AP Vodafone Idea Ltd, IN
34	12479	22507	0.24%	7590	2.97	UNI2-AS, ES
35	1501	22277	0.23%	159	140.11	DNIC-ASBLK-01500-01502, US
36	262287	21903	0.23%	307	71.35	Latitude.sh LTDA, BR
37	56	21839	0.23%	700	31.20	DNIC-AS-00056, US
38	10620	21748	0.23%	3494	6.22	Telmex Colombia S.A., CO
39	27046	21535	0.23%	498	43.24	DNIC-ASBLK-27032-27159, US
40	37069	20407	0.21%	1086	18.79	MOBINIL, EG
41	138754	20356	0.21%	197	103.33	KVBPL-AS-IN Kerala Vision Broad Band Private Limited, IN
42	4755	20031	0.21%	2190	9.15	TATACOMM-AS TATA Communications formerly VSNL is Leading ISP, IN
43	20598	19945	0.21%	74	269.53	CYBERSPACE-AS Autonomous System number for Cyber Space, IL
44	24757	19891	0.21%	482	41.27	EthioNet-AS, ET
45	8369	19608	0.21%	58	338.07	INTERSVYAZ-AS 38-B, Komsomolsky prospekt, RU
46	262773	19000	0.20%	256	74.22	PROXXIMA TELECOMUNICACOES SA, BR
47	24863	18812	0.20%	1249	15.06	LINKdotNET-AS, EG
48	262323	18674	0.20%	52	359.12	STAR CONECT TELECOM LTDA, BR
49	9808	18661	0.20%	13411	1.39	CHINAMOBILE-CN China Mobile Communications Group Co., Ltd., CN
50	44244	18588	0.20%	463	40.15	IRANCELL-AS, IR
Total		2475694	26.08%

50 Most active ASes for the past 14 days

RANK	ASN	UPDs/Prefix	%	Prefixes	UPDs	AS NAME
1	328178	7976.0	0.08%	16	7976	The-Computer-Hut-AS, ZA
2	396950	5953.0	0.06%	1	5953	COMSTBARTH-AS, FR
3	400552	5778.5	0.12%	2	11557	ODYACAD-ASN, US
4	207169	5659.0	0.06%	1	5659	BRAYDEN-NET, US
5	7954	4124.7	0.13%	3	12374	IMMENSE-NETWORKS, US
6	329312	3766.0	0.04%	1	3766	Manano-Telecommunication-SARL, TD
7	20067	3106.0	0.03%	1	3106	NAS-GHENT, US
8	25048	2825.0	0.12%	5	11300	DSNET DSNet, GB
9	25596	2704.5	0.06%	8	5409	CAMBRIUM-AS, NL
10	149038	2094.5	0.04%	2	4189	UCGCL-AS-AP UNIQUE COMM GROUP COMPANY LIMITED, MM
11	328599	2091.7	0.07%	3	6275	Amanet-SARL, TD
12	63376	2030.5	0.04%	2	4061	TOUCHTONE-CUSTS, US
13	886	1963.0	0.02%	1	1963	SBH-IX-SERVICES, FR
14	214294	1920.5	0.08%	4	7682	NOOBNET, GB
15	13341	1813.2	0.08%	5	7253	TRANQUILITY, US
16	137258	1805.0	0.02%	1	1805	SHIRAZI-AS-AP Shirazi Investments Pvt Ltd., PK
17	37462	1543.0	0.07%	4	6172	Prestabist, TD
18	138071	1516.0	0.02%	1	1516	IDNIC-PEMPROV-KALTENG-AS-ID PEMERINTAH PROVINSI KALIMANTAN TENGAH, ID
19	400786	1487.0	0.02%	1	1487	PFS, US
20	28657	1433.3	0.05%	3	4300	MD Brasil - Tecnologia da Informacao Ltda, BR
21	35145	1362.7	0.04%	3	4088	NYATWORK, CA
22	215027	1357.3	0.04%	3	4072	AS215027, TR
23	215391	1310.4	0.10%	7	9173	HOSTABIL, TR
24	272772	1308.5	0.03%	2	2617	M MACHADO SIMAO FALCAO EIRELI ME, BR
25	267035	1286.4	0.07%	5	6432	MS TELECOM LTDA ME, BR
26	265566	1272.2	0.05%	4	5089	TELESISTEMAS PENINSULARES SA DE CV, MX
27	270168	1240.5	0.03%	2	2481	Alejandro Uballe Montoya, MX
28	266306	1225.0	0.03%	2	2450	CENTRALNETT SERVICOS LTDA, BR
29	40138	1204.0	0.11%	12	10836	MDNET, US
30	49565	1122.0	0.01%	1	1122	POLE-TELEKOM, TR
31	263468	1108.5	0.02%	2	2217	RAPNET COMUNICACAO MULTIMIDIA LTDA, BR
32	60647	1096.5	0.05%	4	4386	MERT-TURKOGLU-DATAHOST-INTERNET-VE-BILISIM-TEKNOLOJILERI, TR
33	32826	1067.0	0.01%	1	1067	TZPRINT, US
34	215238	1057.6	0.09%	8	8461	ONEMBILISIM, TR
35	5730	1029.0	0.01%	1	1029	WORLDNET3, US
36	52584	992.5	0.02%	2	1985	CONNECT FIBRA, BR
37	139383	992.0	0.02%	2	1984	IDNIC-INDOBSD-AS-ID PT. INDONESIA BISNIS DIGITAL, ID
38	136867	966.7	0.03%	3	2900	IDNIC-TELKOMTELSTRA-AS-ID PT. Teltranet Aplikasi Solusi Telkomtelstra, ID
39	262712	926.0	0.01%	1	926	HOSTWEB DATA CENTER E SERVICOS LTDA, BR
40	215761	923.0	0.04%	4	3692	MFATIHASAN, TR
41	151350	922.0	0.01%	1	922	NIPPONCOMMSINC-AS-AP NIPPON COMMUNICATIONS INC., JP
42	267670	921.0	0.02%	2	1842	NetLink Telecom Ltda, BR
43	269518	903.8	0.05%	5	4519	INFIBRA TELECOM SERVICOS DE COMUNICACAO E TECNOLOG, BR
44	328448	869.0	0.01%	1	869	Direction-Generale-Des-Impots-AS, BF
45	264145	855.2	0.05%	5	4276	FACILNET PROVEDOR E SERVICOS EIRELI, BR
46	57670	847.8	0.05%	6	5087	ASOPENWAY, UA
47	262601	826.3	0.09%	10	8263	GtNet Telecomunicacoes Ltda, BR
48	264993	821.0	0.04%	5	4105	NETLIDERES - PROVEDOR DE INTERNET EIRELI, BR
49	28190	808.0	0.01%	1	808	FORTALNET BUREAU DE COMERCIO E SERVICOS LTDA, BR
50	265425	805.0	0.01%
Total		93017.3	2.36%

50 Most active Prefixes for the past 14 days

RANK	PREFIX	UPDs	%	Origin AS -- AS NAME
1	202.181.232.0/23	12812	0.13%	7540 -- HKCIX-AS-AP HongKong Commercial Internet Exchange, HK
2	207.167.116.0/22	12372	0.13%	7954 -- IMMENSE-NETWORKS, US
3	74.200.129.0/24	11540	0.12%	400552 -- ODYACAD-ASN, US
4	124.195.190.0/24	11448	0.12%	38684 -- CMBDAEJEON-AS-KR CMB Daejeon Broadcasting Co,.Ltd, KR
5	130.137.231.0/24	10918	0.11%	16509 -- AMAZON-02, US
6	55.74.56.0/24	10212	0.10%	335 -- DNIC-ASBLK-00306-00371, US
7	55.74.57.0/24	10194	0.10%	335 -- DNIC-ASBLK-00306-00371, US
8	55.67.56.0/24	10031	0.10%	335 -- DNIC-ASBLK-00306-00371, US
9	55.27.56.0/24	10027	0.10%	335 -- DNIC-ASBLK-00306-00371, US
10	55.27.217.0/24	10013	0.10%	335 -- DNIC-ASBLK-00306-00371, US
11	186.83.117.0/24	8956	0.09%	10620 -- Telmex Colombia S.A., CO
12	154.72.173.0/24	8901	0.09%	15964 -- CAMNET-AS, CM
13	130.137.108.0/24	8868	0.09%	16509 -- AMAZON-02, US
14	173.82.125.0/24	8821	0.09%	16509 -- AMAZON-02, US
15	130.137.12.0/24	8581	0.09%	16509 -- AMAZON-02, US
16	84.205.66.0/24	8112	0.08%	12654 -- RIPE-NCC-RIS-AS Reseaux IP Europeens Network Coordination Centre RIPE NCC, NL
17	130.137.230.0/24	8058	0.08%	16509 -- AMAZON-02, US
18	102.210.21.0/24	7976	0.08%	328178 -- The-Computer-Hut-AS, ZA
19	130.137.219.0/24	7864	0.08%	16509 -- AMAZON-02, US
20	195.24.192.0/20	7858	0.08%	15964 -- CAMNET-AS, CM
21	67.96.211.0/24	7724	0.08%	3356 -- LEVEL3, US
22	130.137.79.0/24	7687	0.08%	16509 -- AMAZON-02, US
23	173.82.66.0/24	7507	0.08%	16509 -- AMAZON-02, US
24	130.137.80.0/24	7452	0.08%	16509 -- AMAZON-02, US
25	130.137.118.0/24	7275	0.07%	8987 -- AWS-GOVCLOUD AWS-GOVCLOUD, IE
26	173.82.67.0/24	7230	0.07%	16509 -- AMAZON-02, US
27	173.82.108.0/24	7183	0.07%	16509 -- AMAZON-02, US
28	199.47.232.0/22	7165	0.07%	13341 -- TRANQUILITY, US
29	130.137.227.0/24	7157	0.07%	16509 -- AMAZON-02, US
30	130.137.127.0/24	7154	0.07%	16509 -- AMAZON-02, US
31	168.0.128.0/22	7138	0.07%	263069 -- BRT Comercio de Produtos de Informatica LTDA, BR
32	173.82.63.0/24	7119	0.07%	16509 -- AMAZON-02, US
33	130.137.26.0/24	7111	0.07%	16509 -- AMAZON-02, US
34	130.137.99.0/24	7109	0.07%	16509 -- AMAZON-02, US
35	130.137.105.0/24	7033	0.07%	16509 -- AMAZON-02, US
36	130.137.130.0/24	7022	0.07%	16509 -- AMAZON-02, US
37	130.137.140.0/24	7018	0.07%	16509 -- AMAZON-02, US
38	130.137.28.0/24	6976	0.07%	16509 -- AMAZON-02, US
39	130.137.111.0/24	6967	0.07%	16509 -- AMAZON-02, US
40	130.137.124.0/24	6885	0.07%	16509 -- AMAZON-02, US
41	130.137.141.0/24	6760	0.07%	16509 -- AMAZON-02, US
42	130.137.150.0/24	6757	0.07%	16509 -- AMAZON-02, US
43	130.137.147.0/24	6729	0.07%	16509 -- AMAZON-02, US
44	130.137.16.0/24	6677	0.07%	16509 -- AMAZON-02, US
45	130.137.85.0/24	6673	0.07%	16509 -- AMAZON-02, US
46	130.137.90.0/24	6658	0.07%	16509 -- AMAZON-02, US
47	130.137.47.0/24	6655	0.07%	16509 -- AMAZON-02, US
48	195.114.123.0/24	6647	0.07%	8369 -- INTERSVYAZ-AS 38-B, Komsomolsky prospekt, RU
49	130.137.86.0/24	6643	0.07%	16509 -- AMAZON-02, US
50	130.137.78.0/24	6585	0.07%	16509 -- AMAZON-02, US
Total		404258	4.10%

14 Day BGP Profile: 31-August-2025 00:00 - 13-September-2025 23:59 (UTC+1000)

Number of BGP Update Messages:	26094151
Number of Prefix Updates:	9492185
Number of Prefix Withdrawals:	355962
Average Prefixes per BGP Update:	0.38
Average BGP Update Messages per second:	21.57
Average Prefix Updates per second:	8.14
Peak BGP Update Message Rate per second:	40858	(00:50:02 Tue, 2-Sep-2025)
Peak Prefix Update Rate per second:	8781	(16:49:04 Tue, 2-Sep-2025)
Peak Prefix Withdraw Rate per second:	19279	(19:30:58 Thu, 11-Sep-2025)
Prefix Count:	1044317
Updated Prefix Count:	812842
Stable Prefix Count:	231475
Origin AS Count:	77373
Updated Origin AS Count:	66413
Stable Origin AS Count:	10960
Unique Path Count:	629470
Updated Path Count:	490464
Stable Path Count:	139006

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.