The BGP Instability Report

The BGP Instability Report is updated daily. This report
was generated on 05 March 2026 06:43 (UTC+1000)

50 Most active ASes for the past 14 days

RANK	ASN	UPDs	%	Prefixes	UPDs/Prefix	AS NAME
1	45899	3792726	14.38%	3334	1137.59	VNPT-AS-VN VNPT Corp, VN
2	9198	2446700	9.28%	1067	2293.06	KAZTELECOM-AS, KZ
3	4538	1941810	7.36%	5030	386.05	ERX-CERNET-BKB China Education and Research Network Center, CN
4	135905	802589	3.04%	331	2424.74	VNPT-AS-VN VIETNAM POSTS AND TELECOMMUNICATIONS GROUP, VN
5	4670	494648	1.88%	357	1385.57	HYUNDAI-KR Shinbiro, KR
6	8151	420762	1.60%	12878	32.67	UNINET, MX
7	51375	412591	1.56%	387	1066.13	VIVA, BH
8	16509	395786	1.50%	14617	27.08	AMAZON-02 - Amazon.com, Inc., US
9	9952	337711	1.28%	174	1940.87	HOSTWAY-AS-KR Hostway IDC, KR
10	23764	315126	1.20%	173	1821.54	CTGNET CTGNet, HK
11	9848	255057	0.97%	146	1746.97	SEJONGTELECOM-AS-KR SEJONG NETWORKS, KR
12	328608	221719	0.84%	584	379.66	Africa-on-Cloud-AS, ZA
13	36903	186712	0.71%	1232	151.55	MT-MPLS, MA
14	131866	133502	0.51%	124	1076.63	DEK-AS-KR Digital Edge Korea, KR
15	10620	107216	0.41%	3453	31.05	Telmex Colombia S.A., CO
16	20473	90968	0.34%	1596	57.00	AS-VULTR - The Constant Company, LLC, US
17	24085	84406	0.32%	106	796.28	QTSC-AS-VN Quang Trung Software City Development Company, VN
18	33771	80134	0.30%	114	702.93	SAFARICOM-LIMITED, KE
19	7643	77238	0.29%	80	965.48	VNPT-AS-VN Vietnam Posts and Telecommunications VNPT, VN
20	18046	76849	0.29%	131	586.63	DONGFONG-TW DongFong Technology Co. Ltd., TW
21	265303	76112	0.29%	42	1812.19	BRASIL TECPAR \| AMIGO \| AVATO, BR
22	12479	69903	0.27%	7286	9.59	UNI2-AS, ES
23	7552	67941	0.26%	4076	16.67	VIETEL-AS-AP Viettel Group, VN
24	36992	65613	0.25%	1849	35.49	ETISALAT-MISR, EG
25	9808	65549	0.25%	13823	4.74	CHINAMOBILE-CN China Mobile Communications Group Co., Ltd., CN
26	9980	59247	0.22%	62	955.60	LDCC-AS-KR LOTTE INNOVATE Co.,Ltd, KR
27	9829	59097	0.22%	1900	31.10	BSNL-NIB National Internet Backbone, IN
28	63737	56788	0.22%	44	1290.64	VIETSERVER-AS-VN VIETSERVER SERVICES TECHNOLOGY COMPANY LIMITED, VN
29	212238	54428	0.21%	2662	20.45	CDNEXT, GB
30	335	53186	0.20%	225	236.38	DNIC-ASBLK-00306-00371 - United States Department of Defense DoD, US
31	7821	51752	0.20%	17	3044.24	ZAYO-MN - Inteliquent, inc., US
32	12389	51691	0.20%	3187	16.22	ROSTELECOM-AS PJSC Rostelecom. Technical Team, RU
33	18403	51061	0.19%	4622	11.05	FPT-AS-AP FPT Telecom Company, VN
34	400619	48249	0.18%	744	64.85	AROSS-AS - AROSSCLOUD INC., US
35	10049	47238	0.18%	28	1687.07	SKNET-AS SK Co., KR
36	45498	47151	0.18%	26	1813.50	SMART-AXIATA-KH SMART AXIATA Co., Ltd., KH
37	5972	44808	0.17%	1432	31.29	DNIC-ASBLK-05800-06055 - United States Department of Defense DoD, US
38	9924	44407	0.17%	549	80.89	TFN-TW Taiwan Fixed Network, Telco and Network Service Provider., TW
39	44244	44092	0.17%	2158	20.43	IRANCELL-AS, IR
40	36968	43596	0.17%	65	670.71	ECN-AS1, ZA
41	9942	42753	0.16%	44	971.66	COMINDICO-AP SOUL Converged Communications Australia, AU
42	13999	42328	0.16%	2472	17.12	Mega Cable, S.A. de C.V., MX
43	45374	41362	0.16%	41	1008.83	CCS-AS-KR CCS, KR
44	4760	40828	0.15%	476	85.77	HKTIMS-AP HKT Limited, HK
45	14593	40784	0.15%	1477	27.61	SPACEX-STARLINK - Space Exploration Technologies Corporation, US
46	3491	39716	0.15%	489	81.22	CONSOLE-CONNECT-ASN - PCCW Global, Inc., US
47	63747	39494	0.15%	16	2468.38	CPT-AS-VN Central Post and Telecommunication CPT, VN
48	18186	39039	0.15%	583	66.96	NEBULA-GLOBAL - Nebula Global LLC, US
49	64079	38626	0.15%	17	2272.12	CTGL-IPX China Telecom Global Limited, HK
50	150436	38625	0.15%	158	244.46	BYTEPLUS-AS-AP Byteplus Pte. Ltd., SG
Total		14179714	53.79%

50 Most active ASes for the past 14 days

RANK	ASN	UPDs/Prefix	%	Prefixes	UPDs	AS NAME
1	149038	13468.5	0.10%	2	26937	UCGCL-AS-AP UNIQUE COMM GROUP COMPANY LIMITED, MM
2	210915	5637.0	0.02%	1	5637	DOMINIKPASTO, CZ
3	136225	5026.0	0.04%	2	10052	SMARTTELECOM-AS-AP Smart Telecom, PK
4	213812	4456.5	0.03%	2	8913	ALFATEH, SY
5	7954	3700.3	0.04%	3	11101	IMMENSE-NETWORKS - Immense Networks, LLC, US
6	29469	3528.5	0.03%	2	7057	GTU Khmelnitsky, Ukraine, UA
7	51897	3485.0	0.01%	1	3485	MIHAN, IR
8	40138	3456.5	0.05%	5	13826	MDNET - Mach Dilemma, LLC, US
9	149074	3069.7	0.03%	3	9209	UMP-AS-VN University of Medicine and Pharmacy at Ho Chi Minh City, VN
10	136202	3064.0	0.01%	2	3064	FCSPL-AS-AP Freepoint Commodities Singapore Pte. Ltd., SG
11	45652	3049.3	0.03%	7	9148	VPLS VPLS ASIA, TH
12	7821	3044.2	0.20%	17	51752	ZAYO-MN - Inteliquent, inc., US
13	211358	2995.0	0.01%	2	2995	PP-Networks, IT
14	150203	2961.0	0.01%	1	2961	IDNIC-CHINATELECOMGLOBAL-AS-ID PT. CHINA TELECOM INDONESIA, ID
15	149068	2950.0	0.01%	1	2950	INETSOFT-AS-VN iNET software one member company limited, VN
16	136167	2907.2	0.14%	13	37793	CHINATELECOM-AS-AP CHINA TELECOM MACAU COMPANY LIMITED, MO
17	63527	2898.5	0.07%	6	17391	CTGL-AS China Telecom Global Limited, HK
18	151867	2870.0	0.02%	2	5740	DONGNAI-VN Department of Science and Technology of Dong Nai province, VN
19	57670	2809.7	0.06%	6	16858	ASOPENWAY, UA
20	151913	2768.0	0.02%	2	5536	HAGIANG-VN Ha Giang province Department of Information and Communications, VN
21	38600	2714.3	0.14%	14	38000	SMART-AXIATA-KH SMART AXIATA Co., Ltd., KH
22	152992	2573.0	0.02%	2	5146	DATAONLINE-VN ONLINE DATA COMPANY LIMITED, VN
23	135982	2563.0	0.02%	2	5126	HASD-AS-VN Hoi An South Development Ltd, VN
24	23999	2559.0	0.02%	2	5118	VNA-AS-VN Vietnam News Agency, VN
25	140768	2558.0	0.01%	1	2558	GIALAI-VN Department of Science and Technology Gia Lai, VN
26	152933	2557.0	0.04%	4	10228	ZONECLOUD-VN ZONECLOUD TECHNOLOGY JOINT STOCK COMPANY, VN
27	135989	2557.0	0.01%	1	2557	TAYNINH-AS-VN Tay Ninh Department of Information and Communications, VN
28	135939	2556.2	0.04%	4	10225	VNPTEPAY-AS-VN VNPT Electronic Payment Joint Stock Company, VN
29	131363	2555.3	0.03%	3	7666	GDT-AS-VN Department of Information Technology - General Department of Taxation, VN
30	135972	2555.0	0.01%	1	2555	ICTQUANGNAM-AS-VN Quang Nam Department of Information and Communications, VN
31	135956	2553.0	0.03%	3	7659	MOH-AS-VN The Authority of Information Technology - Ministry of Health, VN
32	140758	2539.0	0.01%	1	2539	CAMAU-AS-VN Department of Science and Technology of Ca Mau province, VN
33	149160	2538.0	0.01%	1	2538	CANTHO-VN Department of Science and Technology of Can Tho City, VN
34	63752	2536.0	0.01%	1	2536	PTO-KHCN-VN Department of Science and Technology of Phu Tho province, VN
35	149120	2526.5	0.02%	2	5053	BLUETECH-VN BLUE TECHNOLOGY AND INVESTMENT COMPANY LIMITED, VN
36	131389	2525.0	0.02%	2	5050	SEABANK-AS-VN SeABank, VN
37	150854	2523.5	0.02%	2	5047	DIGINEXT-VN Diginext Group Joint Stock Company, VN
38	131405	2522.8	0.04%	4	10091	TANCANGSG-AS-VN Saigon Newport, VN
39	151865	2521.5	0.02%	2	5043	ZENTECH-VN ZENTECH Technology Solutions Co., Ltd, VN
40	131131	2516.0	0.01%	1	2516	VNNIC-AS-VN VNNIC-AS-, VN
41	131122	2513.0	0.01%	1	2513	VNNIC-4-BYTE-AS-VN Vietnam Internet network information center VNNIC, VN
42	150861	2511.0	0.02%	2	5022	POWERNET-VN POWERNET COMPANY LIMITED, VN
43	140770	2509.5	0.06%	6	15057	DIGILIFE-AS-VN Digilife Vietnam Digital Services Company Limited, VN
44	131342	2503.6	0.05%	5	12518	TECHCOMBANK-AS-VN Vietnam Technological and Commercial Joint-stock Bank - Techcombank, VN
45	135955	2503.0	0.01%	1	2503	LAMDONGPORTAL-AS-VN Data integration and digital transformation center of Lam Dong province, VN
46	24089	2500.0	0.01%	1	2500	VNNIC-AS-AP Vietnam Internet Network Information Center, VN
47	55317	2494.7	0.03%	3	7484	ABBANK-AS-VN 170 Hai Ba Trung, DaKao Ward, District 1, Hochiminh City, VN
48	23902	2494.5	0.02%	2	4989	VNNIC-AS-VN Vietnam Internet network information center VNNIC, VN
49	149127	2488.0	0.01%	1	2488	BACGIANG-VN Bac Giang Department of Information and Communications, VN
50	135934	2480.0	0.01%
Total		154191.3	1.69%

50 Most active Prefixes for the past 14 days

RANK	PREFIX	UPDs	%	Origin AS -- AS NAME
1	103.177.86.0/24	13609	0.05%	149038 -- UCGCL-AS-AP UNIQUE COMM GROUP COMPANY LIMITED, MM
2	103.177.87.0/24	13328	0.05%	149038 -- UCGCL-AS-AP UNIQUE COMM GROUP COMPANY LIMITED, MM
3	201.87.153.0/24	11383	0.04%	265303 -- BRASIL TECPAR \| AMIGO \| AVATO, BR
4	207.167.116.0/22	11094	0.04%	7954 -- IMMENSE-NETWORKS - Immense Networks, LLC, US
5	200.150.165.0/24	10937	0.04%	265303 -- BRASIL TECPAR \| AMIGO \| AVATO, BR
6	200.150.164.0/24	10933	0.04%	265303 -- BRASIL TECPAR \| AMIGO \| AVATO, BR
7	200.150.174.0/24	10809	0.04%	265303 -- BRASIL TECPAR \| AMIGO \| AVATO, BR
8	201.87.149.0/24	10706	0.04%	265303 -- BRASIL TECPAR \| AMIGO \| AVATO, BR
9	130.137.231.0/24	10623	0.04%	16509 -- AMAZON-02 - Amazon.com, Inc., US
10	124.195.190.0/24	10389	0.04%	38684 -- CMBDAEJEON-AS-KR CMB Daejeon Broadcasting Co,.Ltd, KR
11	55.74.57.0/24	10196	0.04%	335 -- DNIC-ASBLK-00306-00371 - United States Department of Defense DoD, US
12	55.74.56.0/24	10173	0.04%	335 -- DNIC-ASBLK-00306-00371 - United States Department of Defense DoD, US
13	103.84.53.0/24	10036	0.04%	136225 -- SMARTTELECOM-AS-AP Smart Telecom, PK
14	55.27.217.0/24	9944	0.04%	335 -- DNIC-ASBLK-00306-00371 - United States Department of Defense DoD, US
15	55.67.56.0/24	9939	0.04%	335 -- DNIC-ASBLK-00306-00371 - United States Department of Defense DoD, US
16	55.27.56.0/24	9929	0.04%	335 -- DNIC-ASBLK-00306-00371 - United States Department of Defense DoD, US
17	130.137.108.0/24	8791	0.03%	16509 -- AMAZON-02 - Amazon.com, Inc., US
18	173.82.125.0/24	8734	0.03%	16509 -- AMAZON-02 - Amazon.com, Inc., US
19	186.83.117.0/24	8558	0.03%	10620 -- Telmex Colombia S.A., CO
20	130.137.12.0/24	8485	0.03%	16509 -- AMAZON-02 - Amazon.com, Inc., US
21	84.205.66.0/24	7881	0.03%	12654 -- RIPE-NCC-RIS-AS Reseaux IP Europeens Network Coordination Centre RIPE NCC, NL
22	130.137.111.0/24	7716	0.03%	16509 -- AMAZON-02 - Amazon.com, Inc., US
23	130.137.227.0/24	7709	0.03%	16509 -- AMAZON-02 - Amazon.com, Inc., US
24	130.137.219.0/24	7591	0.03%	16509 -- AMAZON-02 - Amazon.com, Inc., US
25	130.137.80.0/24	7490	0.03%	16509 -- AMAZON-02 - Amazon.com, Inc., US
26	173.82.66.0/24	7468	0.03%	16509 -- AMAZON-02 - Amazon.com, Inc., US
27	130.137.230.0/24	7456	0.03%	16509 -- AMAZON-02 - Amazon.com, Inc., US
28	199.47.232.0/22	7401	0.03%	13341 -- TRANQUILITY - Tranquility Internet Services Inc., US
29	130.137.124.0/24	7339	0.03%	16509 -- AMAZON-02 - Amazon.com, Inc., US
30	130.137.79.0/24	7297	0.03%	16509 -- AMAZON-02 - Amazon.com, Inc., US
31	130.137.118.0/24	7241	0.03%	8987 -- AWS-GOVCLOUD AWS-GOVCLOUD, IE
32	130.137.47.0/24	7181	0.03%	16509 -- AMAZON-02 - Amazon.com, Inc., US
33	130.137.16.0/24	7178	0.03%	16509 -- AMAZON-02 - Amazon.com, Inc., US
34	130.137.150.0/24	7170	0.03%	16509 -- AMAZON-02 - Amazon.com, Inc., US
35	173.82.108.0/24	7071	0.03%	16509 -- AMAZON-02 - Amazon.com, Inc., US
36	130.137.81.0/24	7065	0.03%	16509 -- AMAZON-02 - Amazon.com, Inc., US
37	130.137.86.0/24	7060	0.03%	16509 -- AMAZON-02 - Amazon.com, Inc., US
38	130.137.141.0/24	7030	0.03%	16509 -- AMAZON-02 - Amazon.com, Inc., US
39	103.141.108.0/23	6987	0.03%	138886 -- DBN-AS-ID PT Data Buana Nusantara, ID
40	195.114.122.0/24	6978	0.03%	8369 -- INTERSVYAZ-AS 38-B, Komsomolsky prospekt, RU
41	173.82.63.0/24	6963	0.03%	16509 -- AMAZON-02 - Amazon.com, Inc., US
42	130.137.85.0/24	6952	0.03%	16509 -- AMAZON-02 - Amazon.com, Inc., US
43	193.105.156.0/24	6952	0.03%	8369 -- INTERSVYAZ-AS 38-B, Komsomolsky prospekt, RU
44	130.137.147.0/24	6942	0.03%	16509 -- AMAZON-02 - Amazon.com, Inc., US
45	130.137.89.0/24	6934	0.03%	14618 -- AMAZON-AES - Amazon.com, Inc., US
46	173.82.67.0/24	6927	0.03%	16509 -- AMAZON-02 - Amazon.com, Inc., US
47	173.82.129.0/24	6919	0.03%	16509 -- AMAZON-02 - Amazon.com, Inc., US
48	195.114.123.0/24	6882	0.03%	8369 -- INTERSVYAZ-AS 38-B, Komsomolsky prospekt, RU
49	130.137.136.0/24	6871	0.03%	16509 -- AMAZON-02 - Amazon.com, Inc., US
50	130.137.133.0/24	6861	0.03%	16509 -- AMAZON-02 - Amazon.com, Inc., US
Total		424108	1.68%

14 Day BGP Profile: 19-February-2026 00:00 - 4-March-2026 23:59 (UTC+1000)

Number of BGP Update Messages:	58317027
Number of Prefix Updates:	26370269
Number of Prefix Withdrawals:	340524
Average Prefixes per BGP Update:	0.46
Average BGP Update Messages per second:	48.21
Average Prefix Updates per second:	22.08
Peak BGP Update Message Rate per second:	80094	(12:58:22 Thu, 19-Feb-2026)
Peak Prefix Update Rate per second:	4121	(17:56:45 Wed, 4-Mar-2026)
Peak Prefix Withdraw Rate per second:	37098	(12:06:12 Thu, 19-Feb-2026)
Prefix Count:	1081345
Updated Prefix Count:	909986
Stable Prefix Count:	171359
Origin AS Count:	78140
Updated Origin AS Count:	70437
Stable Origin AS Count:	7703
Unique Path Count:	581526
Updated Path Count:	448207
Stable Path Count:	133319

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.