The BGP Instability Report

The BGP Instability Report is updated daily. This report
was generated on 30 May 2026 06:23 (UTC+1000)

50 Most active ASes for the past 14 days

RANK	ASN	UPDs	%	Prefixes	UPDs/Prefix	AS NAME
1	16509	278730	3.80%	15229	18.30	AMAZON-02 - Amazon.com, Inc., US
2	8151	265965	3.63%	12782	20.81	AS8151 - UNINET, MX
3	9294	235918	3.22%	395	597.26	GNETINC-AS-AP - GNET INC., US
4	20473	111364	1.52%	1676	66.45	AS-VULTR - The Constant Company, LLC, US
5	137951	109401	1.49%	153	715.04	ASLINE-AS-AP - ASLINE LIMITED, HK
6	7821	76705	1.05%	17	4512.06	ZAYO-MN - Inteliquent, inc., US
7	55836	68418	0.93%	1035	66.10	RELIANCEJIO-IN - Reliance Jio Infocomm Limited, IN
8	17488	52528	0.72%	1258	41.76	HATHWAY-NET-AP - Hathway IP Over Cable Internet, IN
9	9829	51107	0.70%	1899	26.91	BSNL-NIB - National Internet Backbone, IN
10	39891	43363	0.59%	4975	8.72	ALJAWWALSTC-AS - Saudi Telecom Company JSC, SA
11	6503	42084	0.57%	660	63.76	AS6503 - Axtel, S.A.B. de C.V., MX
12	5416	41868	0.57%	432	96.92	UNSPECIFIED - BEYON B.S.C., BH
13	22773	40960	0.56%	4798	8.54	ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US
14	17561	38485	0.53%	3650	10.54	LCS-AS-AP - LARUS Limited, HK
15	24835	38119	0.52%	2040	18.69	Vodafone Data - Vodafone Data, EG
16	197207	37319	0.51%	808	46.19	MCCI-AS - Mobile Communication Company of Iran PLC, IR
17	36903	37179	0.51%	1232	30.18	Office National des Postes et Telecommunications ONPT (Maroc Telecom) / IAM - Office National des Postes et Telecommunications ONPT (Maroc Telecom) / IAM, MA
18	36992	32731	0.45%	1862	17.58	ETISALAT MISR - ETISALAT MISR, EG
19	10620	30648	0.42%	3434	8.92	AS10620 - Telmex Colombia S.A., CO
20	12357	29632	0.40%	17	1743.06	COMUNITEL - VODAFONE ESPANA S.A.U., ES
21	29571	29385	0.40%	1086	27.06	Orange Côte d'Ivoire - Orange Côte d'Ivoire, CI
22	58224	25638	0.35%	1185	21.64	TCI - Iran Telecommunication Company PJS, IR
23	36914	25521	0.35%	572	44.62	Kenya Education Network - Kenya Education Network, KE
24	6648	24833	0.34%	264	94.06	BAYAN-TELECOMMUNICATIONS - Bayan Telecommunications, Inc., PH
25	6147	24687	0.34%	1231	20.05	AS6147 - INTEGRATEL PERU S.A.A., PE
26	8452	24460	0.33%	1729	14.15	TE-AS - IDDQD-AS, EG
27	18403	24366	0.33%	4588	5.31	FPT-VN - FPT Telecom Company, VN
28	5371	22386	0.31%	254	88.13	DNIC-ASBLK-05120-05376 - United States Department of Defense (DoD), US
29	7552	21626	0.30%	4075	5.31	VIETEL-AS-AP - Viettel Group, VN
30	21299	20685	0.28%	754	27.43	KAR-TEL-AS - Kar-Tel LLC, KZ
31	28202	20127	0.27%	1115	18.05	AS28202 - MASTER S/A, BR
32	18809	19579	0.27%	775	25.26	AS18809 - Cable Onda, PA
33	14593	19488	0.27%	1651	11.80	SPACEX-STARLINK - Space Exploration Technologies Corporation, US
34	24863	19280	0.26%	1277	15.10	Link Egypt (Link.NET) - Link Egypt (Link.NET), EG
35	4760	19254	0.26%	684	28.15	HKTIMS-AP - HKT Limited, HK
36	18101	19201	0.26%	678	28.32	RELIANCE-COMMUNICATIONS-IN - Reliance Communications Ltd.DAKC MUMBAI, IN
37	28300	18954	0.26%	109	173.89	AS28300 - Speed Servicos de Internet Ltda, BR
38	19429	18835	0.26%	691	27.26	AS19429 - ETB - Colombia, CO
39	8369	18698	0.26%	54	346.26	INTERSVYAZ-AS - Intersvyaz-2 JSC, RU
40	213840	18350	0.25%	46	398.91	DDOS-PROTECTION-LTD - DDOS PROTECTION LTD, GB
41	37294	17712	0.24%	145	122.15	TELEKOM NETWORKS MALAWI LTD - TELEKOM NETWORKS MALAWI LTD, MW
42	647	17485	0.24%	392	44.60	DNIC-ASBLK-00616-00665 - United States Department of Defense (DoD), US
43	9808	17010	0.23%	14023	1.21	CHINAMOBILE-CN - China Mobile Communications Group Co., Ltd., CN
44	12479	16943	0.23%	7190	2.36	UNI2-AS - Orange Espagne SA, ES
45	134548	16885	0.23%	391	43.18	DXTL-HK - DXTL Tseung Kwan O Service, HK
46	42337	16841	0.23%	731	23.04	RESPINA-AS - Respina Networks & Beyond PJSC, IR
47	44559	16000	0.22%	1689	9.47	ITHOSTLINE - IT HOSTLINE LTD, CY
48	8796	15401	0.21%	395	38.99	FD-298-8796 - FASTNET DATA INC, US
49	37069	15247	0.21%	1117	13.65	The Egyptian Company for Mobile Services (Mobinil) - The Egyptian Company for Mobile Services (Mobinil), EG
50	327794	15238	0.21%	156	97.68	Clear Access (Pty) Ltd - Clear Access (Pty) Ltd, ZA
Total		2262639	30.89%

50 Most active ASes for the past 14 days

RANK	ASN	UPDs/Prefix	%	Prefixes	UPDs	AS NAME
1	29469	4606.0	0.06%	1	4606	GTU - Global Technologies of Ukraine LLC, UA
2	7821	4512.1	1.05%	17	76705	ZAYO-MN - Inteliquent, inc., US
3	7954	4028.0	0.16%	3	12084	IMMENSE-NETWORKS - Immense Networks, LLC, US
4	61609	3873.3	0.16%	3	11620	AS61609 - NextHop Solutions, BR
5	270503	2997.2	0.16%	4	11989	AS270503 - R LUIZ LEANDRO, BR
6	33711	2958.0	0.04%	1	2958	SADDLE-NETWORKS - Saddle Networks, US
7	140758	2547.0	0.03%	1	2547	CAMAU-AS-VN - Department of Science and Technology of Ca Mau province, VN
8	198741	2469.0	0.03%	1	2469	AMELIAK - Amelia Kalinowska, GB
9	49353	2311.0	0.03%	1	2311	as-jsans - Valor Information Technologies, S.L., ES
10	32494	2279.0	0.03%	1	2279	ONLINE-TECHNOLOGY - Online Technology Exchange, Inc., US
11	3196	2130.0	0.03%	1	2130	AS_7Space - 7Space SASU, FR
12	213812	2091.5	0.06%	2	4183	alfateh - Abdul Rahman Mustafa trading as Alfateh Company for Communications, SY
13	57428	2033.0	0.03%	1	2033	Intelect-AS - SD & INTELECT SRL, MD
14	33755	1946.3	0.08%	3	5839	VALORNODE - Valor Holdings LLC, US
15	40138	1872.7	0.15%	9	11236	MDNET - Mach Dilemma, LLC, US
16	12357	1743.1	0.40%	17	29632	COMUNITEL - VODAFONE ESPANA S.A.U., ES
17	13341	1522.8	0.10%	5	7614	TRANQUILITY - Tranquility Internet Services Inc., US
18	395133	1363.5	0.04%	2	2727	MEDQUEST - MedQuest Associates, Inc., US
19	198040	1343.0	0.04%	2	2686	CHOJNET - CHOJNET Maciej Szypryt, PL
20	395327	1293.0	0.02%	1	1293	BAYFEDCU - BAY FEDERAL CREDIT UNION, US
21	267953	1227.7	0.10%	6	7366	AS267953 - BNET SOLUCOES EM INTERNET LTDA-ME, BR
22	13378	1220.2	0.07%	4	4881	QINGYE-CLOUD - Qingye Cloud, US
23	328448	1204.0	0.02%	1	1204	La Direction générale des impôts - La Direction générale des impôts, BF
24	265566	1136.3	0.05%	3	3409	AS265566 - TELESISTEMAS PENINSULARES SA DE CV, MX
25	267111	987.0	0.01%	1	987	AS267111 - SERVICO NACIONAL DE APRENDIZAGEM COMERCIAL - SENAC, BR
26	34701	963.0	0.04%	3	2889	WITZENMANN-AS - Witzenmann GmbH, DE
27	23676	894.0	0.01%	1	894	MARIIX-GU - Mariana Islands Internet Exchange, GU
28	200748	884.0	0.02%	2	1768	GOSB-ASN - EPT Grand-Orly Seine Bievre, FR
29	214145	866.0	0.01%	1	866	SPMZT - Seyed Pouria Mousavizadeh Tehrani, IR
30	61792	841.0	0.08%	7	5887	AS61792 - IPNET TELECOMUNICACOES LTDA, BR
31	396950	809.0	0.01%	1	809	COMSTBARTH-AS - COLLECTIVITE DE SAINT BARTHELEMY, FR
32	213	792.0	0.01%	1	792	DNIC-AS-00213 - Headquarters, USAISC, US
33	141393	780.0	0.01%	1	780	ROSHNI-AS-AP - Roshni Broadband Network, BD
34	397349	757.0	0.01%	1	757	MUTABLE - Mutable, US
35	328809	744.0	0.01%	1	744	EDIATTAH Conseils & Solutions - EDIATTAH Conseils & Solutions, CI
36	137951	739.2	1.49%	153	109401	ASLINE-AS-AP - ASLINE LIMITED, HK
37	29382	737.0	0.02%	2	1474	UkrInfoSystems-AS - LIMITED LIABILITY COMPANY "UKRAINIAN INFOSYSTEMS", UA
38	56590	728.0	0.01%	1	728	RBO-NET - RBO-NET, PL
39	200534	728.0	0.02%	2	1456	mserwis-as - DOMENY.TV MSERWIS Sp. z o. o., PL
40	198599	718.0	0.01%	1	718	thejamesdecker - James Decker, AU
41	28624	704.8	0.10%	10	7048	AS28624 - PROVEDORA CMA INTERNET LTDA, BR
42	402547	697.0	0.02%	2	1394	JWYNEGARJR-INC - J, US
43	29484	686.5	0.06%	6	4119	RUB-AS - Ruhr-Universitaet Bochum, DE
44	204318	673.0	0.01%	1	673	BGPTOOLS-QA - Benjamin Cartwright-Cox, GB
45	197790	663.8	0.10%	11	7302	AS-ACTUS - Actus S.A., PL
46	131784	658.0	0.01%	1	658	IDNIC-SDPPI-SPEKTRUM-AS-ID - Sumber Daya Dan Perangkat Pos Dan Informatika SIMS, ID
47	28657	636.0	0.03%	3	1908	AS28657 - MD Brasil - Tecnologia da Informacao Ltda, BR
48	205712	602.0	0.01%	1	602	WEB-TRACTORINFOR - Tractorinfor LLC, US
49	197443	601.0	0.01%	1	601	NET-6545 - 6545 HOLDINGS LLC, US
50	9294	597.3	3.22%
Total		74194.3	8.28%

50 Most active Prefixes for the past 14 days

RANK	PREFIX	UPDs	%	Origin AS -- AS NAME
1	207.167.116.0/22	12076	0.16%	7954 -- IMMENSE-NETWORKS - Immense Networks, LLC, US
2	124.195.190.0/24	11037	0.14%	38684 -- CMBDAEJEON-AS-KR-KR - CMB Daejeon Broadcasting Co,.Ltd, KR
3	130.137.231.0/24	9306	0.12%	16509 -- AMAZON-02 - Amazon.com, Inc., US
4	130.137.108.0/24	7751	0.10%	16509 -- AMAZON-02 - Amazon.com, Inc., US
5	199.47.232.0/22	7610	0.10%	13341 -- TRANQUILITY - Tranquility Internet Services Inc., US
6	130.137.12.0/24	7583	0.10%	16509 -- AMAZON-02 - Amazon.com, Inc., US
7	173.82.125.0/24	7564	0.10%	16509 -- AMAZON-02 - Amazon.com, Inc., US
8	45.148.33.0/24	7510	0.10%	12357 -- COMUNITEL - VODAFONE ESPANA S.A.U., ES
9	45.148.32.0/24	7510	0.10%	12357 -- COMUNITEL - VODAFONE ESPANA S.A.U., ES
10	45.148.35.0/24	7508	0.10%	12357 -- COMUNITEL - VODAFONE ESPANA S.A.U., ES
11	45.148.34.0/24	7075	0.09%	12357 -- COMUNITEL - VODAFONE ESPANA S.A.U., ES
12	177.131.224.0/24	6924	0.09%	28624 -- AS28624 - PROVEDORA CMA INTERNET LTDA, BR
13	177.131.236.0/24	6916	0.09%	28615 -- AS28615 - Televisao Cidade S/A, BR
14	24.152.92.0/22	6903	0.09%	270503 -- AS270503 - R LUIZ LEANDRO, BR
15	84.205.66.0/24	6851	0.09%	12654 -- RIPE-NCC-RIS-AS - Reseaux IP Europeens Network Coordination Centre (RIPE NCC), NL
16	83.245.56.0/24	6665	0.09%	62513 -- GOCODEIT-INC - GoCodeIT Inc, CA
17	103.254.126.0/24	6390	0.08%	55653 -- SKYLINE-AS-ID - Skyline Semesta, PT, ID
18	103.254.127.0/24	6342	0.08%	55653 -- SKYLINE-AS-ID - Skyline Semesta, PT, ID
19	130.137.78.0/24	6303	0.08%	16509 -- AMAZON-02 - Amazon.com, Inc., US
20	173.82.66.0/24	6255	0.08%	16509 -- AMAZON-02 - Amazon.com, Inc., US
21	193.105.156.0/24	6219	0.08%	8369 -- INTERSVYAZ-AS - Intersvyaz-2 JSC, RU
22	195.114.123.0/24	6168	0.08%	8369 -- INTERSVYAZ-AS - Intersvyaz-2 JSC, RU
23	130.137.219.0/24	6159	0.08%	16509 -- AMAZON-02 - Amazon.com, Inc., US
24	195.114.122.0/24	6116	0.08%	8369 -- INTERSVYAZ-AS - Intersvyaz-2 JSC, RU
25	130.137.89.0/24	6103	0.08%	14618 -- AMAZON-AES - Amazon.com, Inc., US
26	130.137.118.0/24	6097	0.08%	8987 -- AWS-GOVCLOUD - Amazon Data Services Ireland Ltd, IE
27	130.137.80.0/24	6076	0.08%	16509 -- AMAZON-02 - Amazon.com, Inc., US
28	173.82.108.0/24	5980	0.08%	16509 -- AMAZON-02 - Amazon.com, Inc., US
29	130.137.79.0/24	5949	0.08%	16509 -- AMAZON-02 - Amazon.com, Inc., US
30	130.137.130.0/24	5913	0.08%	16509 -- AMAZON-02 - Amazon.com, Inc., US
31	173.82.63.0/24	5876	0.08%	16509 -- AMAZON-02 - Amazon.com, Inc., US
32	173.82.67.0/24	5858	0.08%	16509 -- AMAZON-02 - Amazon.com, Inc., US
33	130.137.140.0/24	5839	0.08%	16509 -- AMAZON-02 - Amazon.com, Inc., US
34	149.112.61.0/24	5837	0.08%	33755 -- VALORNODE - Valor Holdings LLC, US
35	130.137.90.0/24	5823	0.08%	16509 -- AMAZON-02 - Amazon.com, Inc., US
36	130.137.105.0/24	5802	0.08%	16509 -- AMAZON-02 - Amazon.com, Inc., US
37	130.137.127.0/24	5796	0.08%	16509 -- AMAZON-02 - Amazon.com, Inc., US
38	130.137.26.0/24	5770	0.07%	16509 -- AMAZON-02 - Amazon.com, Inc., US
39	130.137.16.0/24	5732	0.07%	16509 -- AMAZON-02 - Amazon.com, Inc., US
40	130.137.99.0/24	5729	0.07%	16509 -- AMAZON-02 - Amazon.com, Inc., US
41	173.82.129.0/24	5672	0.07%	16509 -- AMAZON-02 - Amazon.com, Inc., US
42	130.137.81.0/24	5651	0.07%	16509 -- AMAZON-02 - Amazon.com, Inc., US
43	130.137.47.0/24	5629	0.07%	16509 -- AMAZON-02 - Amazon.com, Inc., US
44	130.137.111.0/24	5624	0.07%	16509 -- AMAZON-02 - Amazon.com, Inc., US
45	130.137.227.0/24	5619	0.07%	16509 -- AMAZON-02 - Amazon.com, Inc., US
46	130.137.121.0/24	5611	0.07%	8987 -- AWS-GOVCLOUD - Amazon Data Services Ireland Ltd, IE
47	130.137.150.0/24	5606	0.07%	16509 -- AMAZON-02 - Amazon.com, Inc., US
48	130.137.86.0/24	5600	0.07%	16509 -- AMAZON-02 - Amazon.com, Inc., US
49	130.137.133.0/24	5588	0.07%	16509 -- AMAZON-02 - Amazon.com, Inc., US
50	130.137.85.0/24	5586	0.07%	16509 -- AMAZON-02 - Amazon.com, Inc., US
Total		327107	4.25%

14 Day BGP Profile: 16-May-2026 00:00 - 29-May-2026 23:59 (UTC+1000)

Number of BGP Update Messages:	23392287
Number of Prefix Updates:	7328825
Number of Prefix Withdrawals:	373250
Average Prefixes per BGP Update:	0.33
Average BGP Update Messages per second:	19.34
Average Prefix Updates per second:	6.37
Peak BGP Update Message Rate per second:	74113	(13:49:21 Mon, 18-May-2026)
Peak Prefix Update Rate per second:	3540	(16:10:36 Tue, 19-May-2026)
Peak Prefix Withdraw Rate per second:	19876	(20:40:21 Fri, 29-May-2026)
Prefix Count:	1074569
Updated Prefix Count:	1060050
Stable Prefix Count:	14519
Origin AS Count:	78508
Updated Origin AS Count:	77781
Stable Origin AS Count:	727
Unique Path Count:	539620
Updated Path Count:	420725
Stable Path Count:	118895

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.