The BGP Instability Report

The BGP Instability Report is updated daily. This report
was generated on 20 January 2026 06:21 (UTC+1000)

50 Most active ASes for the past 14 days

RANK	ASN	UPDs	%	Prefixes	UPDs/Prefix	AS NAME
1	5413	533268	6.37%	97	5497.61	WAVENET-AS5413, GB
2	16509	336202	4.02%	14346	23.44	AMAZON-02, US
3	8151	297214	3.55%	12846	23.14	UNINET, MX
4	9808	78418	0.94%	13736	5.71	CHINAMOBILE-CN China Mobile Communications Group Co., Ltd., CN
5	7821	71437	0.85%	17	4202.18	ZAYO-MN, US
6	36903	70514	0.84%	1232	57.24	MT-MPLS, MA
7	9919	65471	0.78%	978	66.94	NCIC-TW New Century InfoComm Tech Co., Ltd., TW
8	15766	62405	0.75%	15	4160.33	DOMICILIUM-AS, IM
9	39891	57296	0.68%	4969	11.53	ALJAWWALSTC-AS, SA
10	55410	56878	0.68%	1179	48.24	VIL-AS-AP Vodafone Idea Ltd, IN
11	10620	55061	0.66%	3442	16.00	Telmex Colombia S.A., CO
12	335	53668	0.64%	220	243.95	DNIC-ASBLK-00306-00371, US
13	6147	45575	0.54%	1261	36.14	INTEGRATEL PERU S.A.A., PE
14	401696	42876	0.51%	228	188.05	COGNETCLOUD, US
15	58224	36801	0.44%	1242	29.63	TCI, IR
16	42337	35830	0.43%	732	48.95	RESPINA-AS, IR
17	18101	35631	0.43%	683	52.17	RELIANCE-COMMUNICATIONS-IN Reliance Communications Ltd.DAKC MUMBAI, IN
18	9829	35209	0.42%	1870	18.83	BSNL-NIB National Internet Backbone, IN
19	18403	32423	0.39%	4545	7.13	FPT-AS-AP FPT Telecom Company, VN
20	9294	31968	0.38%	152	210.32	GNETINC-AS-AP GNET INC., US
21	9340	30854	0.37%	406	76.00	INDONET-AS-AP INDO Internet, PT, ID
22	20011	30661	0.37%	913	33.58	NTT-DATA-Inc, ZA
23	24835	30436	0.36%	1989	15.30	RAYA-AS, EG
24	2609	30374	0.36%	76	399.66	TN-BB-AS Tunisia BackBone AS, TN
25	28573	29848	0.36%	1497	19.94	Claro NXT Telecomunicacoes Ltda, BR
26	36935	28770	0.34%	1184	24.30	Vodafone-, EG
27	31148	28285	0.34%	554	51.06	FREENET_LLC, UA
28	28227	27894	0.33%	46	606.39	NOVACIA TECNOLOGIA E TELECOMUNICACOES LTDA, BR
29	5277	27328	0.33%	145	188.47	DNIC-ASBLK-05120-05376, US
30	11664	26217	0.31%	1395	18.79	Techtel LMDS Comunicaciones Interactivas S.A., AR
31	265594	25384	0.30%	86	295.16	Television Internacional, S.A. de C.V., MX
32	45899	25221	0.30%	3335	7.56	VNPT-AS-VN VNPT Corp, VN
33	11830	25151	0.30%	1992	12.63	Instituto Costarricense de Electricidad y Telecom., CR
34	4780	25099	0.30%	1048	23.95	SEEDNET Digital United Inc., TW
35	56046	23948	0.29%	3422	7.00	CMNET-JIANGSU-AP China Mobile communications corporation, CN
36	203020	23909	0.29%	1643	14.55	HOSTROYALE, IN
37	136255	23116	0.28%	126	183.46	TIMCL-AS-AP Telecom International Myanmar Co., Ltd, MM
38	36914	23107	0.28%	582	39.70	KENET-AS, KE
39	13188	22180	0.26%	1607	13.80	TRIOLAN, UA
40	197207	21213	0.25%	857	24.75	MCCI-AS, IR
41	149038	21213	0.25%	2	10606.50	UCGCL-AS-AP UNIQUE COMM GROUP COMPANY LIMITED, MM
42	5371	20611	0.25%	303	68.02	DNIC-ASBLK-05120-05376, US
43	138341	20539	0.25%	114	180.17	SHOPEE-AS SHOPEE SINGAPORE PRIVATE LIMITED, SG
44	367	20182	0.24%	2028	9.95	DNIC-ASBLK-00306-00371, US
45	5972	20031	0.24%	1427	14.04	DNIC-ASBLK-05800-06055, US
46	45474	19984	0.24%	89	224.54	NEXUSGUARD-AS-AP Nexusguard Pte. Ltd., SG
47	8452	19840	0.24%	1720	11.53	TE-AS TE-AS, EG
48	12479	19730	0.24%	7305	2.70	UNI2-AS, ES
49	8369	19249	0.23%	57	337.70	INTERSVYAZ-AS 38-B, Komsomolsky prospekt, RU
50	33915	19214	0.23%	346	55.53	TNF-AS, NL
Total		2763733	33.03%

50 Most active ASes for the past 14 days

RANK	ASN	UPDs/Prefix	%	Prefixes	UPDs	AS NAME
1	7954	12241.0	0.15%	3	12241	IMMENSE-NETWORKS, US
2	149038	10606.5	0.25%	2	21213	UCGCL-AS-AP UNIQUE COMM GROUP COMPANY LIMITED, MM
3	208907	6963.0	0.08%	1	6963	RISING-BRIDGE-TECHNOLOGY, GB
4	8613	5795.3	0.21%	3	17386	WAVENET-AS8613, GB
5	197320	5791.0	0.07%	1	5791	NPA-AS, GB
6	29874	5789.0	0.07%	4	5789	CAMBRI-AS1, US
7	15766	5673.2	0.75%	15	62405	DOMICILIUM-AS, IM
8	5413	5497.6	6.37%	97	533268	WAVENET-AS5413, GB
9	213812	4550.0	0.11%	2	9100	ALFATEH, SY
10	40138	4507.0	0.16%	5	13521	MDNET, US
11	7821	4202.2	0.85%	17	71437	ZAYO-MN, US
12	8791	3825.7	0.14%	3	11477	FOEHN, GB
13	29469	3551.0	0.04%	1	3551	GTU Khmelnitsky, Ukraine, UA
14	51897	3231.0	0.04%	1	3231	MIHAN, IR
15	27621	2893.0	0.03%	8	2893	AMERICAN-COMPUTER-ASSOCIATES-SCHUYL-INC, US
16	56644	2821.0	0.07%	2	5642	SYNFS-AS, GB
17	57670	2805.5	0.20%	6	16833	ASOPENWAY, UA
18	329627	2777.0	0.03%	3	2777	Wingu-Tanzania, TZ
19	211535	2717.8	0.16%	5	13589	ASILKARI, IE
20	136225	2364.7	0.08%	3	7094	SMARTTELECOM-AS-AP Smart Telecom, PK
21	398741	2361.0	0.03%	1	2361	AS-VERTEXLINK-01, US
22	29052	2347.0	0.03%	1	2347	LYCOS-AS Lykos group is among the pioneers that shape the printing market, AT
23	202319	2243.3	0.08%	3	6730	SOTOON-CDN, IR
24	265566	2092.7	0.07%	3	6278	TELESISTEMAS PENINSULARES SA DE CV, MX
25	265046	1971.7	0.07%	3	5915	NET-MAIS INFORMATICA, BR
26	206467	1918.3	0.07%	3	5755	PROTECH-COMMS, GB
27	329613	1772.0	0.02%	1	1772	Iris-Smart-Technologies, NG
28	401017	1567.0	0.02%	1	1567	AAICE-ASN, US
29	329104	1478.0	0.02%	1	1478	AL14-AS, RW
30	134659	1466.0	0.04%	2	2932	IDNIC-DISKOMINFODKI-AS-ID Diskominfo DKI Jakarta, ID
31	41383	1445.8	0.14%	8	11566	WOLASN, GB
32	13341	1442.8	0.09%	5	7214	TRANQUILITY, US
33	36719	1198.0	0.01%	1	1198	MMU-53-AS-NET, US
34	395327	1158.0	0.01%	1	1158	BAYFEDCU, US
35	328999	1120.8	0.05%	4	4483	BrowsePoint, NG
36	57285	1112.0	0.01%	1	1112	UKRINFOSYSTEMS-AS, UA
37	214675	1102.0	0.01%	1	1102	STARLAMP Starlamp Network Project, JP
38	28657	1090.3	0.04%	3	3271	MD Brasil - Tecnologia da Informacao Ltda, BR
39	29382	1081.0	0.03%	2	2162	UKRINFOSYSTEMS-AS, UA
40	132386	1054.5	0.05%	4	4218	USMANISP-AS-AP Usman Internet Service Provider Private Limited, PK
41	29103	1009.0	0.01%	1	1009	GSR Gdansk, Poland, PL
42	41538	993.0	0.02%	2	1986	INSPIRED-AS, GB
43	271217	975.8	0.05%	4	3903	Nova Info Internet e Telecomunicacoes LTDA, BR
44	203952	963.5	0.05%	4	3854	NS-AS-2, NL
45	51912	932.0	0.01%	1	932	EAO-AS, RU
46	136867	929.0	0.03%	3	2787	IDNIC-TELKOMTELSTRA-AS-ID PT. Teltranet Aplikasi Solusi Telkomtelstra, ID
47	21074	904.0	0.02%	2	1808	ASN-AT-VR22, IT
48	204318	874.0	0.01%	1	874	BGPTOOLS-QA, GB
49	399240	863.0	0.01%	11	863	BLUE-RIDGE-INTERNET, US
50	328300	843.0	0.01%
Total		138911	10.97%

50 Most active Prefixes for the past 14 days

RANK	PREFIX	UPDs	%	Origin AS -- AS NAME
1	207.167.116.0/22	12241	0.14%	7954 -- IMMENSE-NETWORKS, US
2	124.195.190.0/24	11347	0.13%	38684 -- CMBDAEJEON-AS-KR CMB Daejeon Broadcasting Co,.Ltd, KR
3	130.137.231.0/24	10864	0.12%	16509 -- AMAZON-02, US
4	103.177.87.0/24	10720	0.12%	149038 -- UCGCL-AS-AP UNIQUE COMM GROUP COMPANY LIMITED, MM
5	103.177.86.0/24	10493	0.12%	149038 -- UCGCL-AS-AP UNIQUE COMM GROUP COMPANY LIMITED, MM
6	55.27.217.0/24	10191	0.12%	335 -- DNIC-ASBLK-00306-00371, US
7	55.67.56.0/24	10186	0.12%	335 -- DNIC-ASBLK-00306-00371, US
8	55.27.56.0/24	10182	0.12%	335 -- DNIC-ASBLK-00306-00371, US
9	117.54.132.0/24	9748	0.11%	9340 -- INDONET-AS-AP INDO Internet, PT, ID
10	55.74.57.0/24	9423	0.11%	335 -- DNIC-ASBLK-00306-00371, US
11	55.74.56.0/24	9410	0.11%	335 -- DNIC-ASBLK-00306-00371, US
12	186.83.117.0/24	8623	0.10%	10620 -- Telmex Colombia S.A., CO
13	130.137.108.0/24	8112	0.09%	16509 -- AMAZON-02, US
14	173.82.125.0/24	7941	0.09%	16509 -- AMAZON-02, US
15	130.137.12.0/24	7751	0.09%	16509 -- AMAZON-02, US
16	130.137.230.0/24	7604	0.09%	16509 -- AMAZON-02, US
17	199.47.232.0/22	7111	0.08%	13341 -- TRANQUILITY, US
18	103.84.53.0/24	7063	0.08%	136225 -- SMARTTELECOM-AS-AP Smart Telecom, PK
19	44.31.52.0/24	6966	0.08%	208453 -- SWEHOST-NET, SE 208907 -- RISING-BRIDGE-TECHNOLOGY, GB
20	186.251.129.0/24	6934	0.08%	53225 -- IPGLOBE INTERNET LTDA, BR
21	173.82.66.0/24	6896	0.08%	16509 -- AMAZON-02, US
22	130.137.219.0/24	6875	0.08%	16509 -- AMAZON-02, US
23	130.137.80.0/24	6810	0.08%	16509 -- AMAZON-02, US
24	84.205.66.0/24	6793	0.08%	12654 -- RIPE-NCC-RIS-AS Reseaux IP Europeens Network Coordination Centre RIPE NCC, NL
25	130.137.79.0/24	6687	0.08%	16509 -- AMAZON-02, US
26	130.137.118.0/24	6625	0.08%	8987 -- AWS-GOVCLOUD AWS-GOVCLOUD, IE
27	173.82.108.0/24	6542	0.07%	16509 -- AMAZON-02, US
28	173.82.63.0/24	6500	0.07%	16509 -- AMAZON-02, US
29	195.114.122.0/24	6436	0.07%	8369 -- INTERSVYAZ-AS 38-B, Komsomolsky prospekt, RU
30	173.82.67.0/24	6406	0.07%	16509 -- AMAZON-02, US
31	195.114.123.0/24	6401	0.07%	8369 -- INTERSVYAZ-AS 38-B, Komsomolsky prospekt, RU
32	193.105.156.0/24	6357	0.07%	8369 -- INTERSVYAZ-AS 38-B, Komsomolsky prospekt, RU
33	45.172.92.0/22	6218	0.07%	265566 -- TELESISTEMAS PENINSULARES SA DE CV, MX
34	130.137.130.0/24	6214	0.07%	16509 -- AMAZON-02, US
35	130.137.124.0/24	6188	0.07%	16509 -- AMAZON-02, US
36	130.137.150.0/24	6172	0.07%	16509 -- AMAZON-02, US
37	130.137.28.0/24	6169	0.07%	16509 -- AMAZON-02, US
38	130.137.140.0/24	6165	0.07%	16509 -- AMAZON-02, US
39	109.200.125.0/24	6139	0.07%	41560 -- UT-SVR, RU
40	130.137.127.0/24	6138	0.07%	16509 -- AMAZON-02, US
41	130.137.16.0/24	6123	0.07%	16509 -- AMAZON-02, US
42	130.137.105.0/24	6091	0.07%	16509 -- AMAZON-02, US
43	130.137.111.0/24	6090	0.07%	16509 -- AMAZON-02, US
44	130.137.26.0/24	6085	0.07%	16509 -- AMAZON-02, US
45	173.82.129.0/24	6079	0.07%	16509 -- AMAZON-02, US
46	130.137.227.0/24	6060	0.07%	16509 -- AMAZON-02, US
47	130.137.89.0/24	6058	0.07%	14618 -- AMAZON-AES, US
48	130.137.47.0/24	6045	0.07%	16509 -- AMAZON-02, US
49	130.137.90.0/24	5970	0.07%	16509 -- AMAZON-02, US
50	130.137.147.0/24	5938	0.07%	16509 -- AMAZON-02, US
Total		372180	4.26%

14 Day BGP Profile: 6-January-2026 00:00 - 19-January-2026 23:59 (UTC+1000)

Number of BGP Update Messages:	21066605
Number of Prefix Updates:	8370948
Number of Prefix Withdrawals:	383695
Average Prefixes per BGP Update:	0.42
Average BGP Update Messages per second:	17.42
Average Prefix Updates per second:	7.24
Peak BGP Update Message Rate per second:	40108	(22:08:16 Mon, 19-Jan-2026)
Peak Prefix Update Rate per second:	1099	(01:23:02 Fri, 9-Jan-2026)
Peak Prefix Withdraw Rate per second:	24517	(08:32:25 Fri, 9-Jan-2026)
Prefix Count:	1067178
Updated Prefix Count:	678590
Stable Prefix Count:	388588
Origin AS Count:	77794
Updated Origin AS Count:	59272
Stable Origin AS Count:	18522
Unique Path Count:	524492
Updated Path Count:	369703
Stable Path Count:	154789

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.