The BGP Instability Report

The BGP Instability Report is updated daily. This report
was generated on 29 August 2025 06:30 (UTC+1000)

50 Most active ASes for the past 14 days

RANK	ASN	UPDs	%	Prefixes	UPDs/Prefix	AS NAME
1	16509	421883	3.18%	14328	29.44	AMAZON-02, US
2	8151	260793	1.97%	12440	20.96	UNINET, MX
3	7470	126649	0.96%	712	177.88	TRUEINTERNET-AS-AP TRUE INTERNET Co.,Ltd., TH
4	4155	115490	0.87%	2980	38.76	USDA-1, US
5	262773	108107	0.82%	224	482.62	PROXXIMA TELECOMUNICACOES SA, BR
6	15964	87274	0.66%	158	552.37	CAMNET-AS, CM
7	28135	76774	0.58%	62	1238.29	ASSOCIACAO NACIONAL PARA INCLUSAO DIGITAL - ANID, BR
8	12479	76202	0.57%	7621	10.00	UNI2-AS, ES
9	36903	69881	0.53%	1249	55.95	MT-MPLS, MA
10	24835	69609	0.53%	1794	38.80	RAYA-AS, EG
11	20940	59301	0.45%	4045	14.66	AKAMAI-ASN1, NL
12	335	59021	0.45%	214	275.80	DNIC-ASBLK-00306-00371, US
13	22773	57587	0.43%	3371	17.08	ASN-CXA-ALL-CCI-22773-RDC, US
14	203020	48477	0.37%	1854	26.15	HOSTROYALE, IN
15	133933	45790	0.35%	62	738.55	NETSAT1-PK NetSat Private Limited, PK
16	207990	45039	0.34%	1129	39.89	HR-CUSTOMER, IN
17	5371	44648	0.34%	282	158.33	DNIC-ASBLK-05120-05376, US
18	58224	43215	0.33%	1152	37.51	TCI, IR
19	11776	41785	0.32%	1904	21.95	ATLANTICBB-JOHNSTOWN, US
20	7029	41735	0.31%	2277	18.33	WINDSTREAM, US
21	9009	41499	0.31%	3901	10.64	M247, RO
22	11830	41132	0.31%	1988	20.69	Instituto Costarricense de Electricidad y Telecom., CR
23	13188	40886	0.31%	1606	25.46	TRIOLAN, UA
24	5972	40285	0.30%	1409	28.59	DNIC-ASBLK-05800-06055, US
25	197207	39989	0.30%	955	41.87	MCCI-AS, IR
26	8551	39897	0.30%	1625	24.55	BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbone, IL
27	9829	39807	0.30%	1841	21.62	BSNL-NIB National Internet Backbone, IN
28	24863	37200	0.28%	1248	29.81	LINKdotNET-AS, EG
29	10620	36580	0.28%	3495	10.47	Telmex Colombia S.A., CO
30	39891	36160	0.27%	4798	7.54	ALJAWWALSTC-AS, SA
31	7552	35819	0.27%	3963	9.04	VIETEL-AS-AP Viettel Group, VN
32	647	35548	0.27%	408	87.13	DNIC-ASBLK-00616-00665, US
33	367	34836	0.26%	3180	10.95	DNIC-ASBLK-00306-00371, US
34	45899	34143	0.26%	3312	10.31	VNPT-AS-VN VNPT Corp, VN
35	20473	33159	0.25%	1437	23.08	AS-VULTR, US
36	16625	32049	0.24%	3078	10.41	AKAMAI-AS, US
37	37069	31813	0.24%	1086	29.29	MOBINIL, EG
38	26615	31213	0.24%	1022	30.54	TIM SA, BR
39	7018	31053	0.23%	1584	19.60	ATT-INTERNET4, US
40	262323	30917	0.23%	52	594.56	STAR CONECT TELECOM LTDA, BR
41	212238	30491	0.23%	2367	12.88	CDNEXT, GB
42	203214	30395	0.23%	827	36.75	HULUMTELE, IQ
43	36935	29565	0.22%	993	29.77	Vodafone-, EG
44	20057	29502	0.22%	1455	20.28	ATT-MOBILITY-LLC-AS20057, US
45	209737	29481	0.22%	30	982.70	AS209737, TR
46	36914	29350	0.22%	590	49.75	KENET-AS, KE
47	7545	28654	0.22%	6144	4.66	TPG-INTERNET-AP TPG Telecom Limited, AU
48	9808	28629	0.22%	13044	2.19	CHINAMOBILE-CN China Mobile Communications Group Co., Ltd., CN
49	36352	28474	0.21%	2807	10.14	AS-COLOCROSSING, US
50	212219	27681	0.21%	32	865.03	HOSTINGDUNYAM HOSTING DUNYAM, TR
Total		2915467	22.01%

50 Most active ASes for the past 14 days

RANK	ASN	UPDs/Prefix	%	Prefixes	UPDs	AS NAME
1	63376	7881.0	0.12%	2	15762	TOUCHTONE-CUSTS, US
2	396950	7141.0	0.05%	1	7141	COMSTBARTH-AS, FR
3	138071	6437.0	0.05%	1	6437	IDNIC-PEMPROV-KALTENG-AS-ID PEMERINTAH PROVINSI KALIMANTAN TENGAH, ID
4	28657	4556.3	0.10%	3	13669	MD Brasil - Tecnologia da Informacao Ltda, BR
5	886	4444.0	0.03%	1	4444	SBH-IX-SERVICES, FR
6	7954	4171.3	0.09%	3	12514	IMMENSE-NETWORKS, US
7	135461	4091.0	0.03%	1	4091	IDNIC-PELINDO1-AS-ID PT Pelabuhan Indonesia I Persero, ID
8	329312	3996.0	0.03%	1	3996	Manano-Telecommunication-SARL, TD
9	400552	3573.0	0.05%	2	7146	ODYACAD-ASN, US
10	267035	3186.2	0.12%	5	15931	MS TELECOM LTDA ME, BR
11	20067	2881.0	0.02%	1	2881	NAS-GHENT, US
12	18777	2637.0	0.10%	5	13185	TEXAS-STATE-UNIVERSITY, US
13	153978	2630.0	0.06%	3	7890	IDNIC-SAKOMTA-AS-ID PT Sarana Komunikasi Semesta, ID
14	264539	2486.0	0.06%	3	7458	Erik Lucas Barbosa, BR
15	272703	2467.0	0.02%	1	2467	MYLINK SERVICO DE COMUNICACAO MULTIMIDIA EIRELI, BR
16	265566	2278.0	0.09%	5	11390	TELESISTEMAS PENINSULARES SA DE CV, MX
17	136867	2245.3	0.05%	3	6736	IDNIC-TELKOMTELSTRA-AS-ID PT. Teltranet Aplikasi Solusi Telkomtelstra, ID
18	263066	2166.6	0.11%	7	15166	RVNet - R V PORTELA AGUIAR & CIA LTDA, BR
19	263617	2143.3	0.11%	7	15003	VALEONLINE PROVEDOR DE INTERNET E SERVICOS LTDA, BR
20	61905	2143.0	0.02%	1	2143	CONNECTVIP PRESTACAO DE SERVICOS, BR
21	52777	2142.0	0.02%	1	2142	BR27 Servicos de Tecnologia Ltda., BR
22	262712	2066.0	0.02%	1	2066	HOSTWEB DATA CENTER E SERVICOS LTDA, BR
23	269518	2057.8	0.08%	5	10289	INFIBRA TELECOM SERVICOS DE COMUNICACAO E TECNOLOG, BR
24	267260	2038.0	0.05%	3	6114	R. G. MENEZES DE ARAUJO INFOR, BR
25	132645	1993.5	0.06%	4	7974	IDNIC-PPNS-AS-ID Politeknik Perkapalan Negeri Surabaya, ID
26	264269	1987.3	0.04%	3	5962	L & G Telecom, BR
27	264208	1985.3	0.04%	3	5956	L L NET PROVEDOR DE ACESSO A INTERNET & SERVICOS, BR
28	263522	1970.2	0.19%	13	25612	LGNET SERVICOS DE TELECOMUNICACOES LTDA, BR
29	214294	1893.0	0.06%	4	7572	NOOBNET, GB
30	25048	1887.4	0.07%	5	9437	DSNET DSNet, GB
31	273707	1773.5	0.03%	2	3547	ANDERSON SILVA DOS SANTOS - ME, BR
32	270387	1763.0	0.07%	5	8815	FJNET-TELECOM -ME, BR
33	137258	1734.0	0.01%	1	1734	SHIRAZI-AS-AP Shirazi Investments Pvt Ltd., PK
34	270366	1686.0	0.09%	7	11802	Jean Franck Ximenes, BR
35	268306	1676.0	0.01%	1	1676	Instituto Federal de Sao Paulo, BR
36	28190	1672.0	0.01%	1	1672	FORTALNET BUREAU DE COMERCIO E SERVICOS LTDA, BR
37	270992	1653.0	0.02%	2	3306	SAMUEL BARROS COMUNICACAO MULTIMIDIA SCM, BR
38	263555	1611.2	0.05%	4	6445	infinity brasil telecom ltda me, BR
39	267021	1586.7	0.07%	6	9520	Bruno Luiz de Moura - ME, BR
40	13341	1512.0	0.06%	5	7560	TRANQUILITY, US
41	268901	1474.5	0.04%	4	5898	POPNET FIBRA LTDA, BR
42	267290	1443.0	0.03%	3	4329	Mais Link, BR
43	136103	1402.0	0.02%	4	2804	IDNIC-USM-AS-ID Universitas Semarang, ID
44	37288	1388.0	0.01%	1	1388	WACREN, SN
45	269120	1366.2	0.04%	4	5465	Internet Facil, BR
46	212521	1351.0	0.01%	1	1351	BLURPX, TR
47	131578	1335.0	0.01%	1	1335	BFSUNET Beijing Foreign Studies University, CN
48	263069	1329.7	0.11%	11	14627	BRT Comercio de Produtos de Informatica LTDA, BR
49	265384	1290.2	0.05%	5	6451	D N C de Brito Servicos, BR
50	271505	1267.0	0.01%
Total		123888.5	2.69%

50 Most active Prefixes for the past 14 days

RANK	PREFIX	UPDs	%	Origin AS -- AS NAME
1	140.174.37.0/24	15759	0.12%	63376 -- TOUCHTONE-CUSTS, US
2	177.46.39.0/24	14690	0.11%	28135 -- ASSOCIACAO NACIONAL PARA INCLUSAO DIGITAL - ANID, BR
3	168.0.128.0/22	14532	0.11%	263069 -- BRT Comercio de Produtos de Informatica LTDA, BR
4	177.46.36.0/24	14469	0.11%	28135 -- ASSOCIACAO NACIONAL PARA INCLUSAO DIGITAL - ANID, BR
5	138.99.97.0/24	13636	0.10%	28657 -- MD Brasil - Tecnologia da Informacao Ltda, BR
6	202.181.232.0/23	13484	0.10%	7540 -- HKCIX-AS-AP HongKong Commercial Internet Exchange, HK
7	130.137.231.0/24	13103	0.10%	16509 -- AMAZON-02, US
8	147.26.5.0/24	12639	0.09%	18777 -- TEXAS-STATE-UNIVERSITY, US
9	115.189.240.0/20	12552	0.09%	4771 -- SPARKNZ Spark New Zealand Trading Ltd., NZ
10	207.167.116.0/22	12474	0.09%	7954 -- IMMENSE-NETWORKS, US
11	124.195.190.0/24	12034	0.09%	38684 -- CMBDAEJEON-AS-KR CMB Daejeon Broadcasting Co,.Ltd, KR
12	55.27.217.0/24	11374	0.08%	335 -- DNIC-ASBLK-00306-00371, US
13	55.67.56.0/24	11359	0.08%	335 -- DNIC-ASBLK-00306-00371, US
14	55.27.56.0/24	11354	0.08%	335 -- DNIC-ASBLK-00306-00371, US
15	67.96.211.0/24	11321	0.08%	3356 -- LEVEL3, US
16	45.172.92.0/22	11281	0.08%	265566 -- TELESISTEMAS PENINSULARES SA DE CV, MX
17	195.24.192.0/20	10927	0.08%	15964 -- CAMNET-AS, CM
18	186.83.117.0/24	10831	0.08%	10620 -- Telmex Colombia S.A., CO
19	55.74.57.0/24	10658	0.08%	335 -- DNIC-ASBLK-00306-00371, US
20	55.74.56.0/24	10658	0.08%	335 -- DNIC-ASBLK-00306-00371, US
21	130.137.108.0/24	10247	0.08%	16509 -- AMAZON-02, US
22	130.137.12.0/24	10211	0.08%	16509 -- AMAZON-02, US
23	102.210.21.0/24	9737	0.07%	328178 -- The-Computer-Hut-AS, ZA
24	130.137.230.0/24	9615	0.07%	16509 -- AMAZON-02, US
25	84.205.66.0/24	9480	0.07%	12654 -- RIPE-NCC-RIS-AS Reseaux IP Europeens Network Coordination Centre RIPE NCC, NL
26	164.159.252.0/24	9327	0.07%	22284 -- AS22284-DOI-OPS, US
27	188.213.84.0/23	9127	0.07%	20473 -- AS-VULTR, US
28	130.137.219.0/24	8933	0.07%	16509 -- AMAZON-02, US
29	130.137.79.0/24	8694	0.06%	16509 -- AMAZON-02, US
30	130.137.80.0/24	8558	0.06%	16509 -- AMAZON-02, US
31	165.211.25.0/24	8543	0.06%	15964 -- CAMNET-AS, CM
32	130.137.124.0/24	8513	0.06%	16509 -- AMAZON-02, US
33	173.82.66.0/24	8488	0.06%	16509 -- AMAZON-02, US
34	130.137.28.0/24	8462	0.06%	16509 -- AMAZON-02, US
35	130.137.127.0/24	8369	0.06%	16509 -- AMAZON-02, US
36	130.137.227.0/24	8365	0.06%	16509 -- AMAZON-02, US
37	130.137.105.0/24	8336	0.06%	16509 -- AMAZON-02, US
38	130.137.26.0/24	8286	0.06%	16509 -- AMAZON-02, US
39	130.137.99.0/24	8282	0.06%	16509 -- AMAZON-02, US
40	130.137.111.0/24	8235	0.06%	16509 -- AMAZON-02, US
41	173.82.67.0/24	8159	0.06%	16509 -- AMAZON-02, US
42	130.137.130.0/24	8153	0.06%	16509 -- AMAZON-02, US
43	173.82.108.0/24	8115	0.06%	16509 -- AMAZON-02, US
44	130.137.140.0/24	8096	0.06%	16509 -- AMAZON-02, US
45	130.137.147.0/24	8084	0.06%	16509 -- AMAZON-02, US
46	130.137.136.0/24	8050	0.06%	16509 -- AMAZON-02, US
47	130.137.86.0/24	8044	0.06%	16509 -- AMAZON-02, US
48	173.82.63.0/24	8034	0.06%	16509 -- AMAZON-02, US
49	130.137.150.0/24	8026	0.06%	16509 -- AMAZON-02, US
50	130.137.81.0/24	8023	0.06%	16509 -- AMAZON-02, US
Total		507727	3.73%

14 Day BGP Profile: 15-August-2025 00:00 - 28-August-2025 23:59 (UTC+1000)

Number of BGP Update Messages:	38067685
Number of Prefix Updates:	13256780
Number of Prefix Withdrawals:	347908
Average Prefixes per BGP Update:	0.36
Average BGP Update Messages per second:	31.47
Average Prefix Updates per second:	11.25
Peak BGP Update Message Rate per second:	70403	(12:36:37 Thu, 21-Aug-2025)
Peak Prefix Update Rate per second:	2537	(21:32:15 Tue, 26-Aug-2025)
Peak Prefix Withdraw Rate per second:	36869	(12:30:14 Tue, 19-Aug-2025)
Prefix Count:	1040024
Updated Prefix Count:	993960
Stable Prefix Count:	46064
Origin AS Count:	77301
Updated Origin AS Count:	75532
Stable Origin AS Count:	1769
Unique Path Count:	618412
Updated Path Count:	527896
Stable Path Count:	90516

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.