The BGP Instability Report

The BGP Instability Report is updated daily. This report
was generated on 06 March 2026 06:45 (UTC+1000)

50 Most active ASes for the past 14 days

RANK	ASN	UPDs	%	Prefixes	UPDs/Prefix	AS NAME
1	45899	4415755	15.56%	3337	1323.27	VNPT-AS-VN VNPT Corp, VN
2	9198	2833212	9.99%	1067	2655.31	KAZTELECOM-AS, KZ
3	4538	2253318	7.94%	5030	447.98	ERX-CERNET-BKB China Education and Research Network Center, CN
4	135905	931545	3.28%	331	2814.34	VNPT-AS-VN VIETNAM POSTS AND TELECOMMUNICATIONS GROUP, VN
5	4670	574314	2.02%	357	1608.72	HYUNDAI-KR Shinbiro, KR
6	51375	479350	1.69%	387	1238.63	VIVA, BH
7	9952	384909	1.36%	174	2212.12	HOSTWAY-AS-KR Hostway IDC, KR
8	16509	364457	1.28%	14638	24.90	AMAZON-02 - Amazon.com, Inc., US
9	23764	364307	1.28%	173	2105.82	CTGNET CTGNet, HK
10	9848	294529	1.04%	146	2017.32	SEJONGTELECOM-AS-KR SEJONG NETWORKS, KR
11	8151	274796	0.97%	12888	21.32	UNINET, MX
12	328608	197350	0.70%	581	339.67	Africa-on-Cloud-AS, ZA
13	36903	187320	0.66%	1232	152.05	MT-MPLS, MA
14	131866	151258	0.53%	124	1219.82	DEK-AS-KR Digital Edge Korea, KR
15	10620	111582	0.39%	3453	32.31	Telmex Colombia S.A., CO
16	24085	98243	0.35%	106	926.82	QTSC-AS-VN Quang Trung Software City Development Company, VN
17	20473	98094	0.35%	1597	61.42	AS-VULTR - The Constant Company, LLC, US
18	7643	89682	0.32%	80	1121.03	VNPT-AS-VN Vietnam Posts and Telecommunications VNPT, VN
19	18046	88929	0.31%	131	678.85	DONGFONG-TW DongFong Technology Co. Ltd., TW
20	33771	85803	0.30%	114	752.66	SAFARICOM-LIMITED, KE
21	265303	75692	0.27%	42	1802.19	BRASIL TECPAR \| AMIGO \| AVATO, BR
22	36992	71086	0.25%	1849	38.45	ETISALAT-MISR, EG
23	9980	68891	0.24%	62	1111.15	LDCC-AS-KR LOTTE INNOVATE Co.,Ltd, KR
24	7552	66283	0.23%	4110	16.13	VIETEL-AS-AP Viettel Group, VN
25	63737	65878	0.23%	44	1497.23	VIETSERVER-AS-VN VIETSERVER SERVICES TECHNOLOGY COMPANY LIMITED, VN
26	9808	65788	0.23%	13823	4.76	CHINAMOBILE-CN China Mobile Communications Group Co., Ltd., CN
27	212238	59111	0.21%	2668	22.16	CDNEXT, GB
28	400619	58660	0.21%	744	78.84	AROSS-AS - AROSSCLOUD INC., US
29	45498	58451	0.21%	26	2248.12	SMART-AXIATA-KH SMART AXIATA Co., Ltd., KH
30	10049	54813	0.19%	28	1957.61	SKNET-AS SK Co., KR
31	9942	54088	0.19%	44	1229.27	COMINDICO-AP SOUL Converged Communications Australia, AU
32	335	53514	0.19%	225	237.84	DNIC-ASBLK-00306-00371 - United States Department of Defense DoD, US
33	7821	52697	0.19%	17	3099.82	ZAYO-MN - Inteliquent, inc., US
34	18403	51349	0.18%	4630	11.09	FPT-AS-AP FPT Telecom Company, VN
35	36968	50533	0.18%	65	777.43	ECN-AS1, ZA
36	9924	50032	0.18%	549	91.13	TFN-TW Taiwan Fixed Network, Telco and Network Service Provider., TW
37	12389	49852	0.18%	3187	15.64	ROSTELECOM-AS PJSC Rostelecom. Technical Team, RU
38	45374	47080	0.17%	41	1148.29	CCS-AS-KR CCS, KR
39	9829	47047	0.17%	1900	24.76	BSNL-NIB National Internet Backbone, IN
40	4760	46116	0.16%	476	96.88	HKTIMS-AP HKT Limited, HK
41	12479	46015	0.16%	7285	6.32	UNI2-AS, ES
42	63747	45857	0.16%	16	2866.06	CPT-AS-VN Central Post and Telecommunication CPT, VN
43	3491	45104	0.16%	489	92.24	CONSOLE-CONNECT-ASN - PCCW Global, Inc., US
44	64079	44512	0.16%	17	2618.35	CTGL-IPX China Telecom Global Limited, HK
45	38600	44252	0.16%	14	3160.86	SMART-AXIATA-KH SMART AXIATA Co., Ltd., KH
46	18186	44154	0.16%	583	75.74	NEBULA-GLOBAL - Nebula Global LLC, US
47	136167	43817	0.15%	13	3370.54	CHINATELECOM-AS-AP CHINA TELECOM MACAU COMPANY LIMITED, MO
48	13999	42879	0.15%	2475	17.32	Mega Cable, S.A. de C.V., MX
49	132203	42269	0.15%	1056	40.03	TENCENT-NET-AP-CN Tencent Building, Kejizhongyi Avenue, CN
50	44244	41967	0.15%	2080	20.18	IRANCELL-AS, IR
Total		15866540	55.94%

50 Most active ASes for the past 14 days

RANK	ASN	UPDs/Prefix	%	Prefixes	UPDs	AS NAME
1	149038	13536.5	0.10%	2	27073	UCGCL-AS-AP UNIQUE COMM GROUP COMPANY LIMITED, MM
2	210915	5441.0	0.02%	1	5441	DOMINIKPASTO, CZ
3	136225	4917.0	0.03%	2	9834	SMARTTELECOM-AS-AP Smart Telecom, PK
4	213812	4485.5	0.03%	2	8971	ALFATEH, SY
5	7954	3704.3	0.04%	3	11113	IMMENSE-NETWORKS - Immense Networks, LLC, US
6	136202	3583.0	0.01%	2	3583	FCSPL-AS-AP Freepoint Commodities Singapore Pte. Ltd., SG
7	149074	3560.0	0.04%	3	10680	UMP-AS-VN University of Medicine and Pharmacy at Ho Chi Minh City, VN
8	29469	3536.0	0.02%	2	7072	GTU Khmelnitsky, Ukraine, UA
9	45652	3504.7	0.04%	7	10514	VPLS VPLS ASIA, TH
10	150203	3443.0	0.01%	1	3443	IDNIC-CHINATELECOMGLOBAL-AS-ID PT. CHINA TELECOM INDONESIA, ID
11	149068	3423.0	0.01%	1	3423	INETSOFT-AS-VN iNET software one member company limited, VN
12	63527	3382.8	0.07%	6	20297	CTGL-AS China Telecom Global Limited, HK
13	51897	3381.0	0.01%	1	3381	MIHAN, IR
14	136167	3370.5	0.15%	13	43817	CHINATELECOM-AS-AP CHINA TELECOM MACAU COMPANY LIMITED, MO
15	151867	3293.0	0.02%	2	6586	DONGNAI-VN Department of Science and Technology of Dong Nai province, VN
16	151913	3229.5	0.02%	2	6459	HAGIANG-VN Ha Giang province Department of Information and Communications, VN
17	40138	3175.5	0.04%	5	12702	MDNET - Mach Dilemma, LLC, US
18	38600	3160.9	0.16%	14	44252	SMART-AXIATA-KH SMART AXIATA Co., Ltd., KH
19	7821	3099.8	0.19%	17	52697	ZAYO-MN - Inteliquent, inc., US
20	211358	3011.0	0.01%	2	3011	PP-Networks, IT
21	152992	2997.0	0.02%	2	5994	DATAONLINE-VN ONLINE DATA COMPANY LIMITED, VN
22	135982	2984.5	0.02%	2	5969	HASD-AS-VN Hoi An South Development Ltd, VN
23	131363	2980.0	0.03%	3	8940	GDT-AS-VN Department of Information Technology - General Department of Taxation, VN
24	140768	2979.0	0.01%	1	2979	GIALAI-VN Department of Science and Technology Gia Lai, VN
25	23999	2977.5	0.02%	2	5955	VNA-AS-VN Vietnam News Agency, VN
26	135939	2977.5	0.04%	4	11910	VNPTEPAY-AS-VN VNPT Electronic Payment Joint Stock Company, VN
27	152933	2976.8	0.04%	4	11907	ZONECLOUD-VN ZONECLOUD TECHNOLOGY JOINT STOCK COMPANY, VN
28	135989	2976.0	0.01%	1	2976	TAYNINH-AS-VN Tay Ninh Department of Information and Communications, VN
29	135972	2973.0	0.01%	1	2973	ICTQUANGNAM-AS-VN Quang Nam Department of Information and Communications, VN
30	135956	2970.3	0.03%	3	8911	MOH-AS-VN The Authority of Information Technology - Ministry of Health, VN
31	149160	2962.0	0.01%	1	2962	CANTHO-VN Department of Science and Technology of Can Tho City, VN
32	63752	2954.0	0.01%	1	2954	PTO-KHCN-VN Department of Science and Technology of Phu Tho province, VN
33	140758	2952.0	0.01%	1	2952	CAMAU-AS-VN Department of Science and Technology of Ca Mau province, VN
34	131389	2942.0	0.02%	2	5884	SEABANK-AS-VN SeABank, VN
35	149120	2939.0	0.02%	2	5878	BLUETECH-VN BLUE TECHNOLOGY AND INVESTMENT COMPANY LIMITED, VN
36	151865	2937.0	0.02%	2	5874	ZENTECH-VN ZENTECH Technology Solutions Co., Ltd, VN
37	131405	2936.8	0.04%	4	11747	TANCANGSG-AS-VN Saigon Newport, VN
38	150854	2931.0	0.02%	2	5862	DIGINEXT-VN Diginext Group Joint Stock Company, VN
39	131131	2931.0	0.01%	1	2931	VNNIC-AS-VN VNNIC-AS-, VN
40	131122	2927.0	0.01%	1	2927	VNNIC-4-BYTE-AS-VN Vietnam Internet network information center VNNIC, VN
41	150861	2922.0	0.02%	2	5844	POWERNET-VN POWERNET COMPANY LIMITED, VN
42	140770	2919.3	0.06%	6	17516	DIGILIFE-AS-VN Digilife Vietnam Digital Services Company Limited, VN
43	135955	2917.0	0.01%	1	2917	LAMDONGPORTAL-AS-VN Data integration and digital transformation center of Lam Dong province, VN
44	24089	2914.0	0.01%	1	2914	VNNIC-AS-AP Vietnam Internet Network Information Center, VN
45	131342	2907.6	0.05%	5	14538	TECHCOMBANK-AS-VN Vietnam Technological and Commercial Joint-stock Bank - Techcombank, VN
46	23902	2905.0	0.02%	2	5810	VNNIC-AS-VN Vietnam Internet network information center VNNIC, VN
47	55317	2903.3	0.03%	3	8710	ABBANK-AS-VN 170 Hai Ba Trung, DaKao Ward, District 1, Hochiminh City, VN
48	149127	2900.0	0.01%	1	2900	BACGIANG-VN Bac Giang Department of Information and Communications, VN
49	135934	2886.0	0.01%	1	2886	ICTDONGTHAP-AS-VN Dong Thap Provincial Digital Transformation Center, VN
50	131415	2880.0	0.01%
Total		170495.6	1.65%

50 Most active Prefixes for the past 14 days

RANK	PREFIX	UPDs	%	Origin AS -- AS NAME
1	103.177.86.0/24	13695	0.05%	149038 -- UCGCL-AS-AP UNIQUE COMM GROUP COMPANY LIMITED, MM
2	103.177.87.0/24	13379	0.05%	149038 -- UCGCL-AS-AP UNIQUE COMM GROUP COMPANY LIMITED, MM
3	201.87.153.0/24	11423	0.04%	265303 -- BRASIL TECPAR \| AMIGO \| AVATO, BR
4	207.167.116.0/22	11109	0.04%	7954 -- IMMENSE-NETWORKS - Immense Networks, LLC, US
5	200.150.165.0/24	10817	0.04%	265303 -- BRASIL TECPAR \| AMIGO \| AVATO, BR
6	200.150.164.0/24	10813	0.04%	265303 -- BRASIL TECPAR \| AMIGO \| AVATO, BR
7	200.150.174.0/24	10712	0.04%	265303 -- BRASIL TECPAR \| AMIGO \| AVATO, BR
8	130.137.231.0/24	10670	0.04%	16509 -- AMAZON-02 - Amazon.com, Inc., US
9	201.87.149.0/24	10583	0.04%	265303 -- BRASIL TECPAR \| AMIGO \| AVATO, BR
10	124.195.190.0/24	10477	0.04%	38684 -- CMBDAEJEON-AS-KR CMB Daejeon Broadcasting Co,.Ltd, KR
11	55.74.57.0/24	10270	0.04%	335 -- DNIC-ASBLK-00306-00371 - United States Department of Defense DoD, US
12	55.74.56.0/24	10242	0.04%	335 -- DNIC-ASBLK-00306-00371 - United States Department of Defense DoD, US
13	55.67.56.0/24	10037	0.03%	335 -- DNIC-ASBLK-00306-00371 - United States Department of Defense DoD, US
14	55.27.217.0/24	10028	0.03%	335 -- DNIC-ASBLK-00306-00371 - United States Department of Defense DoD, US
15	55.27.56.0/24	10019	0.03%	335 -- DNIC-ASBLK-00306-00371 - United States Department of Defense DoD, US
16	103.84.53.0/24	9819	0.03%	136225 -- SMARTTELECOM-AS-AP Smart Telecom, PK
17	130.137.108.0/24	8759	0.03%	16509 -- AMAZON-02 - Amazon.com, Inc., US
18	173.82.125.0/24	8714	0.03%	16509 -- AMAZON-02 - Amazon.com, Inc., US
19	130.137.12.0/24	8492	0.03%	16509 -- AMAZON-02 - Amazon.com, Inc., US
20	186.83.117.0/24	8470	0.03%	10620 -- Telmex Colombia S.A., CO
21	84.205.66.0/24	7923	0.03%	12654 -- RIPE-NCC-RIS-AS Reseaux IP Europeens Network Coordination Centre RIPE NCC, NL
22	130.137.111.0/24	7715	0.03%	16509 -- AMAZON-02 - Amazon.com, Inc., US
23	130.137.227.0/24	7707	0.03%	16509 -- AMAZON-02 - Amazon.com, Inc., US
24	130.137.219.0/24	7597	0.03%	16509 -- AMAZON-02 - Amazon.com, Inc., US
25	173.82.66.0/24	7535	0.03%	16509 -- AMAZON-02 - Amazon.com, Inc., US
26	130.137.80.0/24	7502	0.03%	16509 -- AMAZON-02 - Amazon.com, Inc., US
27	130.137.230.0/24	7469	0.03%	16509 -- AMAZON-02 - Amazon.com, Inc., US
28	199.47.232.0/22	7430	0.03%	13341 -- TRANQUILITY - Tranquility Internet Services Inc., US
29	130.137.124.0/24	7365	0.03%	16509 -- AMAZON-02 - Amazon.com, Inc., US
30	130.137.79.0/24	7308	0.03%	16509 -- AMAZON-02 - Amazon.com, Inc., US
31	130.137.118.0/24	7272	0.03%	8987 -- AWS-GOVCLOUD AWS-GOVCLOUD, IE
32	130.137.47.0/24	7227	0.03%	16509 -- AMAZON-02 - Amazon.com, Inc., US
33	103.141.108.0/23	7217	0.03%	138886 -- DBN-AS-ID PT Data Buana Nusantara, ID
34	130.137.16.0/24	7215	0.03%	16509 -- AMAZON-02 - Amazon.com, Inc., US
35	130.137.150.0/24	7171	0.02%	16509 -- AMAZON-02 - Amazon.com, Inc., US
36	173.82.108.0/24	7111	0.02%	16509 -- AMAZON-02 - Amazon.com, Inc., US
37	203.17.163.0/24	7109	0.02%	9942 -- COMINDICO-AP SOUL Converged Communications Australia, AU
38	130.137.86.0/24	7105	0.02%	16509 -- AMAZON-02 - Amazon.com, Inc., US
39	130.137.81.0/24	7076	0.02%	16509 -- AMAZON-02 - Amazon.com, Inc., US
40	130.137.141.0/24	7044	0.02%	16509 -- AMAZON-02 - Amazon.com, Inc., US
41	195.114.122.0/24	6982	0.02%	8369 -- INTERSVYAZ-AS 38-B, Komsomolsky prospekt, RU
42	130.137.85.0/24	6976	0.02%	16509 -- AMAZON-02 - Amazon.com, Inc., US
43	173.82.129.0/24	6969	0.02%	16509 -- AMAZON-02 - Amazon.com, Inc., US
44	130.137.147.0/24	6968	0.02%	16509 -- AMAZON-02 - Amazon.com, Inc., US
45	193.105.156.0/24	6964	0.02%	8369 -- INTERSVYAZ-AS 38-B, Komsomolsky prospekt, RU
46	173.82.67.0/24	6938	0.02%	16509 -- AMAZON-02 - Amazon.com, Inc., US
47	130.137.89.0/24	6928	0.02%	14618 -- AMAZON-AES - Amazon.com, Inc., US
48	173.82.63.0/24	6910	0.02%	16509 -- AMAZON-02 - Amazon.com, Inc., US
49	195.114.123.0/24	6906	0.02%	8369 -- INTERSVYAZ-AS 38-B, Komsomolsky prospekt, RU
50	130.137.133.0/24	6904	0.02%	16509 -- AMAZON-02 - Amazon.com, Inc., US
Total		425071	1.48%

14 Day BGP Profile: 20-February-2026 00:00 - 5-March-2026 23:59 (UTC+1000)

Number of BGP Update Messages:	63314425
Number of Prefix Updates:	28372154
Number of Prefix Withdrawals:	339643
Average Prefixes per BGP Update:	0.45
Average BGP Update Messages per second:	52.34
Average Prefix Updates per second:	23.74
Peak BGP Update Message Rate per second:	69820	(18:28:19 Wed, 4-Mar-2026)
Peak Prefix Update Rate per second:	4119	(17:56:45 Wed, 4-Mar-2026)
Peak Prefix Withdraw Rate per second:	52761	(00:04:34 Mon, 2-Mar-2026)
Prefix Count:	1081688
Updated Prefix Count:	916637
Stable Prefix Count:	165051
Origin AS Count:	78151
Updated Origin AS Count:	71233
Stable Origin AS Count:	6918
Unique Path Count:	584526
Updated Path Count:	450303
Stable Path Count:	134223

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.