The BGP Instability Report

The BGP Instability Report is updated daily. This report
was generated on 11 March 2026 06:58 (UTC+1000)

50 Most active ASes for the past 14 days

RANK	ASN	UPDs	%	Prefixes	UPDs/Prefix	AS NAME
1	45899	7518133	19.10%	3345	2247.57	VNPT-AS-VN VNPT Corp, VN
2	9198	4956723	12.59%	1067	4645.48	KAZTELECOM-AS, KZ
3	4538	3987463	10.13%	5030	792.74	ERX-CERNET-BKB China Education and Research Network Center, CN
4	135905	1602152	4.07%	331	4840.34	VNPT-AS-VN VIETNAM POSTS AND TELECOMMUNICATIONS GROUP, VN
5	4670	966617	2.46%	357	2707.61	HYUNDAI-KR Shinbiro, KR
6	51375	777083	1.97%	387	2007.97	VIVA, BH
7	23764	609131	1.55%	173	3520.99	CTGNET CTGNet, HK
8	9952	604488	1.54%	174	3474.07	HOSTWAY-AS-KR Hostway IDC, KR
9	9848	449112	1.14%	146	3076.11	SEJONGTELECOM-AS-KR SEJONG NETWORKS, KR
10	16509	375055	0.95%	14687	25.54	AMAZON-02 - Amazon.com, Inc., US
11	8151	288703	0.73%	12901	22.38	UNINET, MX
12	131866	213576	0.54%	62	3444.77	DEK-AS-KR Digital Edge Korea, KR
13	24085	169051	0.43%	106	1594.82	QTSC-AS-VN Quang Trung Software City Development Company, VN
14	36903	149518	0.38%	1232	121.36	MT-MPLS, MA
15	7643	149428	0.38%	80	1867.85	VNPT-AS-VN Vietnam Posts and Telecommunications VNPT, VN
16	18046	149300	0.38%	134	1114.18	DONGFONG-TW DongFong Technology Co. Ltd., TW
17	10620	123596	0.31%	3454	35.78	Telmex Colombia S.A., CO
18	9980	116291	0.30%	62	1875.66	LDCC-AS-KR LOTTE INNOVATE Co.,Ltd, KR
19	63737	111784	0.28%	44	2540.55	VIETSERVER-AS-VN VIETSERVER SERVICES TECHNOLOGY COMPANY LIMITED, VN
20	328608	110894	0.28%	573	193.53	Africa-on-Cloud-AS, ZA
21	20473	102009	0.26%	1597	63.88	AS-VULTR - The Constant Company, LLC, US
22	7552	94742	0.24%	4111	23.05	VIETEL-AS-AP Viettel Group, VN
23	45498	93040	0.24%	26	3578.46	SMART-AXIATA-KH SMART AXIATA Co., Ltd., KH
24	10049	92186	0.23%	28	3292.36	SKNET-AS SK Co., KR
25	33771	85542	0.22%	117	731.13	SAFARICOM-LIMITED, KE
26	9942	84073	0.21%	42	2001.74	COMINDICO-AP SOUL Converged Communications Australia, AU
27	36968	83065	0.21%	65	1277.92	ECN-AS1, ZA
28	63747	77727	0.20%	16	4857.94	CPT-AS-VN Central Post and Telecommunication CPT, VN
29	45374	77236	0.20%	41	1883.80	CCS-AS-KR CCS, KR
30	36992	76222	0.19%	1849	41.22	ETISALAT-MISR, EG
31	136167	74028	0.19%	13	5694.46	CHINATELECOM-AS-AP CHINA TELECOM MACAU COMPANY LIMITED, MO
32	64079	73414	0.19%	17	4318.47	CTGL-IPX China Telecom Global Limited, HK
33	265303	72669	0.18%	45	1614.87	BRASIL TECPAR \| AMIGO \| AVATO, BR
34	38600	70793	0.18%	14	5056.64	SMART-AXIATA-KH SMART AXIATA Co., Ltd., KH
35	212238	67765	0.17%	2671	25.37	CDNEXT, GB
36	54994	66374	0.17%	989	67.11	ML-1432-54994 - Meteverse Limited., CA
37	9808	65653	0.17%	13826	4.75	CHINAMOBILE-CN China Mobile Communications Group Co., Ltd., CN
38	12389	64646	0.16%	3193	20.25	ROSTELECOM-AS PJSC Rostelecom. Technical Team, RU
39	12479	64573	0.16%	7286	8.86	UNI2-AS, ES
40	5713	61515	0.16%	582	105.70	SAIX-NET, ZA
41	7821	61364	0.16%	17	3609.65	ZAYO-MN - Inteliquent, inc., US
42	24173	59112	0.15%	259	228.23	NETNAM-AS-AP Netnam Company, VN
43	9924	56002	0.14%	549	102.01	TFN-TW Taiwan Fixed Network, Telco and Network Service Provider., TW
44	9976	54653	0.14%	11	4968.45	ICNDP-AS-KR Namincheon Brodcasting Co., Ltd., KR
45	335	52452	0.13%	225	233.12	DNIC-ASBLK-00306-00371 - United States Department of Defense DoD, US
46	19711	51392	0.13%	60	856.53	SWAZINET, SZ
47	4760	50691	0.13%	476	106.49	HKTIMS-AP HKT Limited, HK
48	3491	49893	0.13%	492	101.41	CONSOLE-CONNECT-ASN - PCCW Global, Inc., US
49	367	49062	0.12%	1758	27.91	DNIC-ASBLK-00306-00371 - United States Department of Defense DoD, US
50	18186	47461	0.12%	583	81.41	NEBULA-GLOBAL - Nebula Global LLC, US
Total		25507452	64.79%

50 Most active ASes for the past 14 days

RANK	ASN	UPDs/Prefix	%	Prefixes	UPDs	AS NAME
1	149038	12686.5	0.06%	2	25373	UCGCL-AS-AP UNIQUE COMM GROUP COMPANY LIMITED, MM
2	136202	6101.0	0.02%	2	6101	FCSPL-AS-AP Freepoint Commodities Singapore Pte. Ltd., SG
3	149074	6061.7	0.05%	3	18185	UMP-AS-VN University of Medicine and Pharmacy at Ho Chi Minh City, VN
4	45652	5986.7	0.05%	7	17960	VPLS VPLS ASIA, TH
5	150203	5876.0	0.01%	1	5876	IDNIC-CHINATELECOMGLOBAL-AS-ID PT. CHINA TELECOM INDONESIA, ID
6	149068	5822.0	0.01%	1	5822	INETSOFT-AS-VN iNET software one member company limited, VN
7	131941	5795.0	0.06%	4	23180	ENTSU-NET Entsu Co.,Ltd., JP
8	63527	5715.5	0.09%	6	34293	CTGL-AS China Telecom Global Limited, HK
9	136167	5694.5	0.19%	13	74028	CHINATELECOM-AS-AP CHINA TELECOM MACAU COMPANY LIMITED, MO
10	151867	5598.0	0.03%	2	11196	DONGNAI-VN Department of Science and Technology of Dong Nai province, VN
11	151913	5435.0	0.03%	2	10870	HAGIANG-VN Ha Giang province Department of Information and Communications, VN
12	135982	5091.5	0.03%	2	10183	HASD-AS-VN Hoi An South Development Ltd, VN
13	152992	5088.5	0.03%	2	10177	DATAONLINE-VN ONLINE DATA COMPANY LIMITED, VN
14	135989	5078.0	0.01%	1	5078	TAYNINH-AS-VN Tay Ninh Department of Information and Communications, VN
15	135939	5077.0	0.05%	4	20308	VNPTEPAY-AS-VN VNPT Electronic Payment Joint Stock Company, VN
16	135972	5075.0	0.01%	1	5075	ICTQUANGNAM-AS-VN Quang Nam Department of Information and Communications, VN
17	131363	5074.0	0.04%	3	15222	GDT-AS-VN Department of Information Technology - General Department of Taxation, VN
18	140768	5072.0	0.01%	1	5072	GIALAI-VN Department of Science and Technology Gia Lai, VN
19	135956	5066.7	0.04%	3	15200	MOH-AS-VN The Authority of Information Technology - Ministry of Health, VN
20	38600	5056.6	0.18%	14	70793	SMART-AXIATA-KH SMART AXIATA Co., Ltd., KH
21	152933	5047.0	0.05%	4	20188	ZONECLOUD-VN ZONECLOUD TECHNOLOGY JOINT STOCK COMPANY, VN
22	140758	5037.0	0.01%	1	5037	CAMAU-AS-VN Department of Science and Technology of Ca Mau province, VN
23	63752	5028.0	0.01%	1	5028	PTO-KHCN-VN Department of Science and Technology of Phu Tho province, VN
24	149160	5028.0	0.01%	1	5028	CANTHO-VN Department of Science and Technology of Can Tho City, VN
25	149120	5016.0	0.03%	2	10032	BLUETECH-VN BLUE TECHNOLOGY AND INVESTMENT COMPANY LIMITED, VN
26	131389	5008.0	0.03%	2	10016	SEABANK-AS-VN SeABank, VN
27	150854	5000.5	0.03%	2	10001	DIGINEXT-VN Diginext Group Joint Stock Company, VN
28	151865	4995.5	0.03%	2	9991	ZENTECH-VN ZENTECH Technology Solutions Co., Ltd, VN
29	131131	4995.0	0.01%	1	4995	VNNIC-AS-VN VNNIC-AS-, VN
30	136225	4994.0	0.03%	2	9988	SMARTTELECOM-AS-AP Smart Telecom, PK
31	131405	4991.0	0.05%	4	19964	TANCANGSG-AS-VN Saigon Newport, VN
32	131122	4989.0	0.01%	1	4989	VNNIC-4-BYTE-AS-VN Vietnam Internet network information center VNNIC, VN
33	150861	4974.0	0.03%	2	9948	POWERNET-VN POWERNET COMPANY LIMITED, VN
34	9976	4968.5	0.14%	11	54653	ICNDP-AS-KR Namincheon Brodcasting Co., Ltd., KR
35	135955	4954.0	0.01%	1	4954	LAMDONGPORTAL-AS-VN Data integration and digital transformation center of Lam Dong province, VN
36	131342	4942.0	0.06%	5	24710	TECHCOMBANK-AS-VN Vietnam Technological and Commercial Joint-stock Bank - Techcombank, VN
37	24089	4935.0	0.01%	1	4935	VNNIC-AS-AP Vietnam Internet Network Information Center, VN
38	135920	4928.0	0.06%	5	24640	EHOST-VN Ehost software company limited, VN
39	149127	4926.0	0.01%	1	4926	BACGIANG-VN Bac Giang Department of Information and Communications, VN
40	55317	4924.0	0.04%	3	14772	ABBANK-AS-VN 170 Hai Ba Trung, DaKao Ward, District 1, Hochiminh City, VN
41	23902	4922.5	0.03%	2	9845	VNNIC-AS-VN Vietnam Internet network information center VNNIC, VN
42	150864	4895.0	0.01%	1	4895	VNNS-VN VIET NAM VNNS TECHNOLOGIES JOINT STOCK COMPANY, VN
43	150838	4894.0	0.01%	1	4894	HASONTECH-VN HA SON TECHNOLOGY ONE MEMBER LIMITED COMPANY, VN
44	131415	4877.0	0.01%	1	4877	VNNIC-AS-VN Vietnam Internet network information center VNNIC, VN
45	63747	4857.9	0.20%	16	77727	CPT-AS-VN Central Post and Telecommunication CPT, VN
46	135905	4840.3	4.07%	331	1602152	VNPT-AS-VN VIETNAM POSTS AND TELECOMMUNICATIONS GROUP, VN
47	131655	4824.5	0.02%	3	9649	NANYA-AS-1 NAN YA PLASTICS CORPORATION, TW
48	135928	4821.8	0.06%	5	24109	HOITUSO-AS-VN Digital Convergence Technology Solutions Company Limited, VN
49	38737	4814.0	0.01%	1	4814	VNNIC-AS-VN Vietnam Internet network information center VNNIC, VN
50	150905	4806.3	0.04%
Total		264685	6.12%

50 Most active Prefixes for the past 14 days

RANK	PREFIX	UPDs	%	Origin AS -- AS NAME
1	103.177.87.0/24	12791	0.03%	149038 -- UCGCL-AS-AP UNIQUE COMM GROUP COMPANY LIMITED, MM
2	103.177.86.0/24	12582	0.03%	149038 -- UCGCL-AS-AP UNIQUE COMM GROUP COMPANY LIMITED, MM
3	201.87.153.0/24	11078	0.03%	265303 -- BRASIL TECPAR \| AMIGO \| AVATO, BR
4	124.195.190.0/24	10874	0.03%	38684 -- CMBDAEJEON-AS-KR CMB Daejeon Broadcasting Co,.Ltd, KR
5	130.137.231.0/24	10699	0.03%	16509 -- AMAZON-02 - Amazon.com, Inc., US
6	207.167.116.0/22	10538	0.03%	7954 -- IMMENSE-NETWORKS - Immense Networks, LLC, US
7	200.150.165.0/24	10392	0.03%	265303 -- BRASIL TECPAR \| AMIGO \| AVATO, BR
8	200.150.164.0/24	10377	0.03%	265303 -- BRASIL TECPAR \| AMIGO \| AVATO, BR
9	200.150.174.0/24	10321	0.03%	265303 -- BRASIL TECPAR \| AMIGO \| AVATO, BR
10	201.87.149.0/24	10210	0.03%	265303 -- BRASIL TECPAR \| AMIGO \| AVATO, BR
11	55.74.56.0/24	10005	0.03%	335 -- DNIC-ASBLK-00306-00371 - United States Department of Defense DoD, US
12	55.74.57.0/24	9991	0.03%	335 -- DNIC-ASBLK-00306-00371 - United States Department of Defense DoD, US
13	103.84.53.0/24	9975	0.03%	136225 -- SMARTTELECOM-AS-AP Smart Telecom, PK
14	55.67.56.0/24	9797	0.02%	335 -- DNIC-ASBLK-00306-00371 - United States Department of Defense DoD, US
15	55.27.217.0/24	9793	0.02%	335 -- DNIC-ASBLK-00306-00371 - United States Department of Defense DoD, US
16	55.27.56.0/24	9787	0.02%	335 -- DNIC-ASBLK-00306-00371 - United States Department of Defense DoD, US
17	203.17.163.0/24	8990	0.02%	9942 -- COMINDICO-AP SOUL Converged Communications Australia, AU
18	130.137.108.0/24	8560	0.02%	16509 -- AMAZON-02 - Amazon.com, Inc., US
19	173.82.125.0/24	8513	0.02%	16509 -- AMAZON-02 - Amazon.com, Inc., US
20	130.137.12.0/24	8402	0.02%	16509 -- AMAZON-02 - Amazon.com, Inc., US
21	186.83.117.0/24	8353	0.02%	10620 -- Telmex Colombia S.A., CO
22	84.205.66.0/24	7623	0.02%	12654 -- RIPE-NCC-RIS-AS Reseaux IP Europeens Network Coordination Centre RIPE NCC, NL
23	130.137.111.0/24	7576	0.02%	16509 -- AMAZON-02 - Amazon.com, Inc., US
24	130.137.80.0/24	7561	0.02%	16509 -- AMAZON-02 - Amazon.com, Inc., US
25	130.137.227.0/24	7550	0.02%	16509 -- AMAZON-02 - Amazon.com, Inc., US
26	130.137.219.0/24	7549	0.02%	16509 -- AMAZON-02 - Amazon.com, Inc., US
27	173.82.66.0/24	7527	0.02%	16509 -- AMAZON-02 - Amazon.com, Inc., US
28	199.47.232.0/22	7485	0.02%	13341 -- TRANQUILITY - Tranquility Internet Services Inc., US
29	130.137.230.0/24	7373	0.02%	16509 -- AMAZON-02 - Amazon.com, Inc., US
30	130.137.79.0/24	7275	0.02%	16509 -- AMAZON-02 - Amazon.com, Inc., US
31	130.137.124.0/24	7271	0.02%	16509 -- AMAZON-02 - Amazon.com, Inc., US
32	130.137.47.0/24	7175	0.02%	16509 -- AMAZON-02 - Amazon.com, Inc., US
33	130.137.118.0/24	7166	0.02%	8987 -- AWS-GOVCLOUD AWS-GOVCLOUD, IE
34	103.141.108.0/23	7140	0.02%	138886 -- DBN-AS-ID PT Data Buana Nusantara, ID
35	130.137.150.0/24	7107	0.02%	16509 -- AMAZON-02 - Amazon.com, Inc., US
36	173.82.108.0/24	7097	0.02%	16509 -- AMAZON-02 - Amazon.com, Inc., US
37	130.137.16.0/24	7096	0.02%	16509 -- AMAZON-02 - Amazon.com, Inc., US
38	173.82.129.0/24	6956	0.02%	16509 -- AMAZON-02 - Amazon.com, Inc., US
39	130.137.86.0/24	6940	0.02%	16509 -- AMAZON-02 - Amazon.com, Inc., US
40	45.172.92.0/22	6929	0.02%	265566 -- TELESISTEMAS PENINSULARES SA DE CV, MX
41	130.137.141.0/24	6926	0.02%	16509 -- AMAZON-02 - Amazon.com, Inc., US
42	173.82.67.0/24	6917	0.02%	16509 -- AMAZON-02 - Amazon.com, Inc., US
43	130.137.81.0/24	6853	0.02%	16509 -- AMAZON-02 - Amazon.com, Inc., US
44	130.137.85.0/24	6836	0.02%	16509 -- AMAZON-02 - Amazon.com, Inc., US
45	130.137.147.0/24	6834	0.02%	16509 -- AMAZON-02 - Amazon.com, Inc., US
46	173.82.63.0/24	6817	0.02%	16509 -- AMAZON-02 - Amazon.com, Inc., US
47	130.137.89.0/24	6802	0.02%	14618 -- AMAZON-AES - Amazon.com, Inc., US
48	130.137.133.0/24	6800	0.02%	16509 -- AMAZON-02 - Amazon.com, Inc., US
49	130.137.136.0/24	6753	0.02%	16509 -- AMAZON-02 - Amazon.com, Inc., US
50	195.114.122.0/24	6729	0.02%	8369 -- INTERSVYAZ-AS 38-B, Komsomolsky prospekt, RU
Total		418691	1.13%

14 Day BGP Profile: 25-February-2026 00:00 - 10-March-2026 23:59 (UTC+1000)

Number of BGP Update Messages:	86532102
Number of Prefix Updates:	39372214
Number of Prefix Withdrawals:	336701
Average Prefixes per BGP Update:	0.46
Average BGP Update Messages per second:	71.54
Average Prefix Updates per second:	32.83
Peak BGP Update Message Rate per second:	78354	(15:39:58 Mon, 9-Mar-2026)
Peak Prefix Update Rate per second:	4124	(17:56:45 Wed, 4-Mar-2026)
Peak Prefix Withdraw Rate per second:	55453	(15:39:58 Mon, 9-Mar-2026)
Prefix Count:	1083462
Updated Prefix Count:	918833
Stable Prefix Count:	164629
Origin AS Count:	78152
Updated Origin AS Count:	71137
Stable Origin AS Count:	7015
Unique Path Count:	580333
Updated Path Count:	446508
Stable Path Count:	133825

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.