The BGP Instability Report

The BGP Instability Report is updated daily. This report
was generated on 22 September 2025 06:24 (UTC+1000)

50 Most active ASes for the past 14 days

RANK	ASN	UPDs	%	Prefixes	UPDs/Prefix	AS NAME
1	8151	285944	2.67%	12458	22.95	UNINET, MX
2	16509	284863	2.66%	14603	19.51	AMAZON-02, US
3	18101	143699	1.34%	690	208.26	RELIANCE-COMMUNICATIONS-IN Reliance Communications Ltd.DAKC MUMBAI, IN
4	27773	120966	1.13%	536	225.68	MILLICOM CABLE EL SALVADOR S.A. DE C.V., SV
5	11492	109942	1.03%	4737	23.21	CABLEONE, US
6	13188	105666	0.99%	1607	65.75	TRIOLAN, UA
7	4155	90835	0.85%	3907	23.25	USDA-1, US
8	15964	85743	0.80%	161	532.57	CAMNET-AS, CM
9	203020	67609	0.63%	1970	34.32	HOSTROYALE, IN
10	207990	60434	0.56%	1129	53.53	HR-CUSTOMER, IN
11	335	49720	0.46%	219	227.03	DNIC-ASBLK-00306-00371, US
12	36903	45118	0.42%	1250	36.09	MT-MPLS, MA
13	58224	42277	0.39%	1168	36.20	TCI, IR
14	647	36498	0.34%	449	81.29	DNIC-ASBLK-00616-00665, US
15	45899	36282	0.34%	3311	10.96	VNPT-AS-VN VNPT Corp, VN
16	7552	35779	0.33%	3944	9.07	VIETEL-AS-AP Viettel Group, VN
17	55410	35196	0.33%	1140	30.87	VIL-AS-AP Vodafone Idea Ltd, IN
18	42337	34459	0.32%	685	50.31	RESPINA-AS, IR
19	10620	34218	0.32%	3494	9.79	Telmex Colombia S.A., CO
20	12479	33736	0.31%	7551	4.47	UNI2-AS, ES
21	5972	33512	0.31%	1408	23.80	DNIC-ASBLK-05800-06055, US
22	15399	33311	0.31%	563	59.17	WANANCHI-, KE
23	27046	31654	0.30%	497	63.69	DNIC-ASBLK-27032-27159, US
24	262287	30570	0.29%	306	99.90	Latitude.sh LTDA, BR
25	367	30463	0.28%	2638	11.55	DNIC-ASBLK-00306-00371, US
26	11664	29660	0.28%	1243	23.86	Techtel LMDS Comunicaciones Interactivas S.A., AR
27	9829	27895	0.26%	1853	15.05	BSNL-NIB National Internet Backbone, IN
28	197207	26648	0.25%	815	32.70	MCCI-AS, IR
29	203214	26589	0.25%	797	33.36	HULUMTELE, IQ
30	26210	26587	0.25%	193	137.76	AXS Bolivia S. A., BO
31	11830	26282	0.25%	1989	13.21	Instituto Costarricense de Electricidad y Telecom., CR
32	4800	25186	0.24%	704	35.78	LINTASARTA-AS-AP PT Aplikanusa Lintasarta, ID
33	4755	25078	0.23%	2187	11.47	TATACOMM-AS TATA Communications formerly VSNL is Leading ISP, IN
34	21050	24958	0.23%	302	82.64	FAST-TELCO, KW
35	22773	24399	0.23%	3971	6.14	ASN-CXA-ALL-CCI-22773-RDC, US
36	5371	24316	0.23%	281	86.53	DNIC-ASBLK-05120-05376, US
37	39891	23974	0.22%	4798	5.00	ALJAWWALSTC-AS, SA
38	6147	23456	0.22%	1190	19.71	Telefonica del Peru S.A.A., PE
39	20940	23268	0.22%	4051	5.74	AKAMAI-ASN1, NL
40	174	22878	0.21%	3462	6.61	COGENT-174, US
41	20057	22780	0.21%	1430	15.93	ATT-MOBILITY-LLC-AS20057, US
42	12252	22657	0.21%	713	31.78	America Movil Peru S.A.C., PE
43	36914	22494	0.21%	590	38.13	KENET-AS, KE
44	7713	22374	0.21%	3742	5.98	TELKOMNET-AS-AP PT Telekomunikasi Indonesia, ID
45	205733	21749	0.20%	21	1035.67	AS-HOSTIFOX, TR
46	24757	21163	0.20%	483	43.82	EthioNet-AS, ET
47	37294	20516	0.19%	135	151.97	TNM, MW
48	56	19966	0.19%	793	25.18	DNIC-AS-00056, US
49	4808	19877	0.19%	1486	13.38	CHINA169-BJ China Unicom Beijing Province Network, CN
50	20473	19611	0.18%	1436	13.66	AS-VULTR, US
Total		2492855	23.27%

50 Most active ASes for the past 14 days

RANK	ASN	UPDs/Prefix	%	Prefixes	UPDs	AS NAME
1	207169	9758.0	0.09%	1	9758	BRAYDEN-NET, US
2	396950	5816.0	0.05%	1	5816	COMSTBARTH-AS, FR
3	400552	5454.5	0.10%	2	10909	ODYACAD-ASN, US
4	149038	4467.5	0.08%	2	8935	UCGCL-AS-AP UNIQUE COMM GROUP COMPANY LIMITED, MM
5	7954	3986.3	0.11%	3	11959	IMMENSE-NETWORKS, US
6	329312	3150.0	0.03%	1	3150	Manano-Telecommunication-SARL, TD
7	25048	2645.2	0.10%	5	10581	DSNET DSNet, GB
8	29469	2167.0	0.02%	1	2167	GTU Khmelnitsky, Ukraine, UA
9	328599	2124.3	0.06%	3	6373	Amanet-SARL, TD
10	136867	2043.3	0.06%	3	6130	IDNIC-TELKOMTELSTRA-AS-ID PT. Teltranet Aplikasi Solusi Telkomtelstra, ID
11	214294	1819.8	0.07%	4	7279	NOOBNET, GB
12	13341	1762.0	0.07%	5	7048	TRANQUILITY, US
13	215391	1464.6	0.10%	7	10252	HOSTABIL, TR
14	137258	1426.0	0.01%	1	1426	SHIRAZI-AS-AP Shirazi Investments Pvt Ltd., PK
15	49565	1425.0	0.01%	1	1425	POLE-TELEKOM, TR
16	215027	1424.0	0.04%	3	4272	AS215027, TR
17	20067	1401.0	0.01%	1	1401	NAS-GHENT, US
18	265566	1382.8	0.05%	4	5531	TELESISTEMAS PENINSULARES SA DE CV, MX
19	269684	1365.0	0.01%	3	1365	LANFIBRA TELECOMUNICACOES - EIRELI, BR
20	400786	1326.0	0.01%	1	1326	PFS, US
21	32826	1320.0	0.01%	1	1320	TZPRINT, US
22	60647	1318.5	0.05%	4	5274	MERT-TURKOGLU-DATAHOST-INTERNET-VE-BILISIM-TEKNOLOJILERI, TR
23	28657	1284.0	0.04%	3	3852	MD Brasil - Tecnologia da Informacao Ltda, BR
24	215238	1208.0	0.09%	8	9664	ONEMBILISIM, TR
25	5730	1201.0	0.01%	1	1201	WORLDNET3, US
26	270168	1187.5	0.02%	2	2375	Alejandro Uballe Montoya, MX
27	271456	1058.0	0.01%	7	1058	NET2YOU NETWORK LTDA, BR
28	269518	1046.3	0.03%	5	3139	INFIBRA TELECOM SERVICOS DE COMUNICACAO E TECNOLOG, BR
29	204318	1038.0	0.01%	1	1038	BGPTOOLS-QA, GB
30	205733	1035.7	0.20%	21	21749	AS-HOSTIFOX, TR
31	149614	1016.0	0.01%	1	1016	TSIIPL-AS-IN TRANSACTION SOLUTIONS INTERNATIONAL INDIA PRIVATE LIMITED, IN
32	40138	999.7	0.11%	12	11996	MDNET, US
33	153569	992.0	0.01%	1	992	ZPL-AS-AP Ziska Pharmaceuticals Ltd., BD
34	215761	939.2	0.04%	4	3757	MFATIHASAN, TR
35	272772	891.0	0.02%	2	1782	M MACHADO SIMAO FALCAO EIRELI ME, BR
36	52769	865.0	0.03%	5	3460	LagosNet Internet Banda Larga Ltda, BR
37	328410	832.0	0.01%	1	832	FrogFoot-AS, ZA
38	64046	825.0	0.02%	3	2475	PBL-BD Pubali Bank Limited, BD
39	263069	814.1	0.07%	11	7327	BRT Comercio de Produtos de Informatica LTDA, BR
40	37462	806.2	0.03%	4	3225	Prestabist, TD
41	211358	805.0	0.01%	2	805	PP-Networks, IT
42	150442	736.0	0.01%	2	1472	BFSACD-AS-AP Bangladesh Fire Service and Civil Defense, BD
43	36719	717.0	0.01%	1	717	MMU-53-AS-NET, US
44	328448	706.0	0.01%	1	706	Direction-Generale-Des-Impots-AS, BF
45	207847	680.7	0.02%	3	2042	CLOUDBLAST, US
46	328178	680.0	0.06%	16	6800	The-Computer-Hut-AS, ZA
47	262991	678.5	0.01%	3	1357	MG Vidros Automotivos Ltda., BR
48	151350	668.0	0.01%	1	668	NIPPONCOMMSINC-AS-AP NIPPON COMMUNICATIONS INC., JP
49	886	668.0	0.01%	1	668	SBH-IX-SERVICES, FR
50	200072	667.5	0.01%
Total		84092.2	2.06%

50 Most active Prefixes for the past 14 days

RANK	PREFIX	UPDs	%	Origin AS -- AS NAME
1	202.181.232.0/23	12281	0.11%	7540 -- HKCIX-AS-AP HongKong Commercial Internet Exchange, HK
2	207.167.116.0/22	11943	0.11%	7954 -- IMMENSE-NETWORKS, US
3	124.195.190.0/24	11703	0.11%	38684 -- CMBDAEJEON-AS-KR CMB Daejeon Broadcasting Co,.Ltd, KR
4	74.200.129.0/24	10896	0.10%	400552 -- ODYACAD-ASN, US
5	130.137.231.0/24	10453	0.09%	16509 -- AMAZON-02, US
6	192.100.5.0/24	9758	0.09%	207169 -- BRAYDEN-NET, US
7	55.27.56.0/24	9750	0.09%	335 -- DNIC-ASBLK-00306-00371, US
8	55.27.217.0/24	9732	0.09%	335 -- DNIC-ASBLK-00306-00371, US
9	55.67.56.0/24	9729	0.09%	335 -- DNIC-ASBLK-00306-00371, US
10	154.72.173.0/24	9680	0.09%	15964 -- CAMNET-AS, CM
11	55.74.56.0/24	9646	0.09%	335 -- DNIC-ASBLK-00306-00371, US
12	55.74.57.0/24	9645	0.09%	335 -- DNIC-ASBLK-00306-00371, US
13	186.83.117.0/24	8584	0.08%	10620 -- Telmex Colombia S.A., CO
14	173.82.125.0/24	7717	0.07%	16509 -- AMAZON-02, US
15	130.137.108.0/24	7710	0.07%	16509 -- AMAZON-02, US
16	130.137.12.0/24	7366	0.07%	16509 -- AMAZON-02, US
17	168.0.128.0/22	7227	0.07%	263069 -- BRT Comercio de Produtos de Informatica LTDA, BR
18	130.137.230.0/24	7152	0.06%	16509 -- AMAZON-02, US
19	199.47.232.0/22	6994	0.06%	13341 -- TRANQUILITY, US
20	84.205.66.0/24	6796	0.06%	12654 -- RIPE-NCC-RIS-AS Reseaux IP Europeens Network Coordination Centre RIPE NCC, NL
21	102.210.21.0/24	6725	0.06%	328178 -- The-Computer-Hut-AS, ZA
22	130.137.118.0/24	6649	0.06%	8987 -- AWS-GOVCLOUD AWS-GOVCLOUD, IE
23	130.137.219.0/24	6617	0.06%	16509 -- AMAZON-02, US
24	130.137.79.0/24	6523	0.06%	16509 -- AMAZON-02, US
25	130.137.80.0/24	6466	0.06%	16509 -- AMAZON-02, US
26	173.82.66.0/24	6450	0.06%	16509 -- AMAZON-02, US
27	102.23.84.0/22	6353	0.06%	328599 -- Amanet-SARL, TD
28	173.82.67.0/24	6254	0.06%	16509 -- AMAZON-02, US
29	173.82.108.0/24	6244	0.06%	16509 -- AMAZON-02, US
30	173.82.63.0/24	6168	0.06%	16509 -- AMAZON-02, US
31	177.54.152.0/21	6140	0.06%	262287 -- Latitude.sh LTDA, BR
32	177.54.144.0/21	6132	0.06%	262287 -- Latitude.sh LTDA, BR
33	177.46.39.0/24	6128	0.06%	28135 -- ASSOCIACAO NACIONAL PARA INCLUSAO DIGITAL - ANID, BR
34	103.104.136.0/24	6073	0.05%	136867 -- IDNIC-TELKOMTELSTRA-AS-ID PT. Teltranet Aplikasi Solusi Telkomtelstra, ID
35	130.137.127.0/24	6045	0.05%	16509 -- AMAZON-02, US
36	177.46.36.0/24	6003	0.05%	28135 -- ASSOCIACAO NACIONAL PARA INCLUSAO DIGITAL - ANID, BR
37	130.137.140.0/24	5985	0.05%	16509 -- AMAZON-02, US
38	130.137.105.0/24	5984	0.05%	16509 -- AMAZON-02, US
39	130.137.99.0/24	5979	0.05%	16509 -- AMAZON-02, US
40	130.137.26.0/24	5957	0.05%	16509 -- AMAZON-02, US
41	130.137.130.0/24	5913	0.05%	16509 -- AMAZON-02, US
42	195.114.122.0/24	5901	0.05%	8369 -- INTERSVYAZ-AS 38-B, Komsomolsky prospekt, RU
43	165.211.25.0/24	5879	0.05%	15964 -- CAMNET-AS, CM
44	130.137.227.0/24	5868	0.05%	16509 -- AMAZON-02, US
45	185.212.75.0/24	5816	0.05%	396950 -- COMSTBARTH-AS, FR
46	130.137.28.0/24	5760	0.05%	16509 -- AMAZON-02, US
47	130.137.78.0/24	5756	0.05%	16509 -- AMAZON-02, US
48	130.137.89.0/24	5749	0.05%	14618 -- AMAZON-AES, US
49	195.114.123.0/24	5741	0.05%	8369 -- INTERSVYAZ-AS 38-B, Komsomolsky prospekt, RU
50	130.137.111.0/24	5728	0.05%	16509 -- AMAZON-02, US
Total		367748	3.32%

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

Number of BGP Update Messages:	26280757
Number of Prefix Updates:	10713897
Number of Prefix Withdrawals:	344420
Average Prefixes per BGP Update:	0.42
Average BGP Update Messages per second:	21.73
Average Prefix Updates per second:	9.14
Peak BGP Update Message Rate per second:	89347	(23:49:54 Tue, 16-Sep-2025)
Peak Prefix Update Rate per second:	1768	(17:47:07 Sun, 14-Sep-2025)
Peak Prefix Withdraw Rate per second:	46295	(23:49:53 Tue, 16-Sep-2025)
Prefix Count:	1045135
Updated Prefix Count:	745136
Stable Prefix Count:	299999
Origin AS Count:	77356
Updated Origin AS Count:	64740
Stable Origin AS Count:	12616
Unique Path Count:	584976
Updated Path Count:	442560
Stable Path Count:	142416

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.