The BGP Instability Report

The BGP Instability Report is updated daily. This report
was generated on 12 January 2026 06:18 (UTC+1000)

50 Most active ASes for the past 14 days

RANK	ASN	UPDs	%	Prefixes	UPDs/Prefix	AS NAME
1	5413	515326	7.42%	97	5312.64	WAVENET-AS5413, GB
2	16509	317763	4.58%	14303	22.22	AMAZON-02, US
3	8151	218068	3.14%	12776	17.07	UNINET, MX
4	12252	128757	1.86%	702	183.41	America Movil Peru S.A.C., PE
5	6648	73545	1.06%	269	273.40	BAYAN-TELECOMMUNICATIONS Bayan Telecommunications, Inc., PH
6	7821	70242	1.01%	17	4131.88	ZAYO-MN, US
7	15766	60091	0.87%	15	4006.07	DOMICILIUM-AS, IM
8	335	57217	0.82%	225	254.30	DNIC-ASBLK-00306-00371, US
9	9808	56446	0.81%	13566	4.16	CHINAMOBILE-CN China Mobile Communications Group Co., Ltd., CN
10	36903	54160	0.78%	1232	43.96	MT-MPLS, MA
11	55410	48222	0.69%	1177	40.97	VIL-AS-AP Vodafone Idea Ltd, IN
12	4837	46947	0.68%	1041	45.10	CHINA169-BACKBONE CHINA UNICOM China169 Backbone, CN
13	58224	46203	0.67%	1233	37.47	TCI, IR
14	401696	42946	0.62%	236	181.97	COGNETCLOUD, US
15	39891	36424	0.52%	4969	7.33	ALJAWWALSTC-AS, SA
16	10620	34354	0.49%	3434	10.00	Telmex Colombia S.A., CO
17	9829	32993	0.48%	1862	17.72	BSNL-NIB National Internet Backbone, IN
18	197207	30648	0.44%	1074	28.54	MCCI-AS, IR
19	13188	30317	0.44%	1607	18.87	TRIOLAN, UA
20	28227	29150	0.42%	46	633.70	NOVACIA TECNOLOGIA E TELECOMUNICACOES LTDA, BR
21	24186	28927	0.42%	665	43.50	RAILTEL-AS-IN RailTel Corporation of India Ltd, IN
22	18403	27429	0.40%	4489	6.11	FPT-AS-AP FPT Telecom Company, VN
23	42337	26852	0.39%	717	37.45	RESPINA-AS, IR
24	9340	26033	0.38%	382	68.15	INDONET-AS-AP INDO Internet, PT, ID
25	36914	22370	0.32%	578	38.70	KENET-AS, KE
26	1257	21871	0.32%	394	55.51	TELE2, EU
27	9294	21715	0.31%	136	159.67	GNETINC-AS-AP GNET INC., US
28	28573	21651	0.31%	1389	15.59	Claro NXT Telecomunicacoes Ltda, BR
29	8866	21636	0.31%	970	22.31	VIVACOM-AS BULGARIA, BG
30	6147	21562	0.31%	1261	17.10	Telefonica del Peru S.A.A., PE
31	149038	21169	0.31%	2	10584.50	UCGCL-AS-AP UNIQUE COMM GROUP COMPANY LIMITED, MM
32	647	20353	0.29%	435	46.79	DNIC-ASBLK-00616-00665, US
33	6503	20143	0.29%	726	27.75	Axtel, S.A.B. de C.V., MX
34	44244	19559	0.28%	637	30.70	IRANCELL-AS, IR
35	8369	19535	0.28%	121	161.45	INTERSVYAZ-AS 38-B, Komsomolsky prospekt, RU
36	20473	19014	0.27%	1411	13.48	AS-VULTR, US
37	31148	18734	0.27%	554	33.82	FREENET_LLC, UA
38	8452	18367	0.26%	1720	10.68	TE-AS TE-AS, EG
39	11830	18274	0.26%	1992	9.17	Instituto Costarricense de Electricidad y Telecom., CR
40	14754	16750	0.24%	475	35.26	TELECOMUNICACIONES DE GUATEMALA, SOCIEDAD ANONIMA, GT
41	8613	16700	0.24%	3	5566.67	WAVENET-AS8613, GB
42	38444	16074	0.23%	64	251.16	SUPERBROADBANDNETWORK-AS-AP Super Broadband Network, TH
43	37294	15586	0.22%	140	111.33	TNM, MW
44	17561	15570	0.22%	3245	4.80	LCS-AS-AP LARUS Limited, HK
45	266207	15559	0.22%	21	740.90	Onitel Telecomunicacoes, BR
46	265594	15163	0.22%	86	176.31	Television Internacional, S.A. de C.V., MX
47	3303	14798	0.21%	255	58.03	SWISSCOM Swisscom Switzerland Ltd, CH
48	24835	14709	0.21%	1989	7.40	RAYA-AS, EG
49	56046	14437	0.21%	3413	4.23	CMNET-JIANGSU-AP China Mobile communications corporation, CN
50	47065	14292	0.21%	18	794.00	PEERING-RESEARCH-TESTBED-USC-UFMG-AS47065, US
Total		2514651	36.21%

50 Most active ASes for the past 14 days

RANK	ASN	UPDs/Prefix	%	Prefixes	UPDs	AS NAME
1	7954	12285.0	0.18%	3	12285	IMMENSE-NETWORKS, US
2	149038	10584.5	0.31%	2	21169	UCGCL-AS-AP UNIQUE COMM GROUP COMPANY LIMITED, MM
3	208907	10518.0	0.15%	1	10518	RISING-BRIDGE-TECHNOLOGY, GB
4	13341	7015.0	0.10%	5	7015	TRANQUILITY, US
5	197320	5573.0	0.08%	1	5573	NPA-AS, GB
6	8613	5566.7	0.24%	3	16700	WAVENET-AS8613, GB
7	29874	5563.0	0.08%	4	5563	CAMBRI-AS1, US
8	41383	5552.0	0.16%	8	11104	WOLASN, GB
9	15766	5462.8	0.87%	15	60091	DOMICILIUM-AS, IM
10	5413	5312.6	7.42%	97	515326	WAVENET-AS5413, GB
11	213812	4860.0	0.14%	2	9720	ALFATEH, SY
12	265046	4599.5	0.13%	3	9199	NET-MAIS INFORMATICA, BR
13	7821	4131.9	1.01%	17	70242	ZAYO-MN, US
14	27621	3694.0	0.05%	8	3694	AMERICAN-COMPUTER-ASSOCIATES-SCHUYL-INC, US
15	8791	3684.3	0.16%	3	11053	FOEHN, GB
16	29052	3600.0	0.05%	1	3600	LYCOS-AS Lykos group is among the pioneers that shape the printing market, AT
17	29469	3555.0	0.05%	1	3555	GTU Khmelnitsky, Ukraine, UA
18	212274	3508.0	0.05%	1	3508	ELTRAKSA-AS, GR
19	265566	3333.5	0.10%	3	6667	TELESISTEMAS PENINSULARES SA DE CV, MX
20	51897	3080.0	0.04%	1	3080	MIHAN, IR
21	12357	2974.2	0.17%	17	11897	COMUNITEL SPAIN, ES
22	56644	2712.0	0.08%	2	5424	SYNFS-AS, GB
23	198918	2437.0	0.11%	8	7311	MST-ZELDOL-AS MST Moskva Zeldol, RU
24	40138	2417.6	0.17%	5	12088	MDNET, US
25	398741	2304.0	0.03%	1	2304	AS-VERTEXLINK-01, US
26	134659	2270.0	0.03%	2	2270	IDNIC-DISKOMINFODKI-AS-ID Diskominfo DKI Jakarta, ID
27	57670	2262.3	0.20%	6	13574	ASOPENWAY, UA
28	136867	2066.0	0.09%	3	6198	IDNIC-TELKOMTELSTRA-AS-ID PT. Teltranet Aplikasi Solusi Telkomtelstra, ID
29	271217	1877.8	0.11%	4	7511	Nova Info Internet e Telecomunicacoes LTDA, BR
30	41538	1868.0	0.03%	2	1868	INSPIRED-AS, GB
31	206467	1845.3	0.08%	3	5536	PROTECH-COMMS, GB
32	21570	1833.0	0.03%	94	1833	ACI-1, CA
33	329613	1687.0	0.02%	1	1687	Iris-Smart-Technologies, NG
34	136501	1585.2	0.11%	20	7926	HKBNES-AS-AP HKBN Enterprise Solutions HK Limited, HK
35	55839	1549.0	0.02%	37	1549	MICROSENSE-AS-AP Microsense Private Limited, IN
36	328516	1445.0	0.02%	1	1445	Premium-Pension-Limited-AS, NG
37	329104	1432.0	0.02%	1	1432	AL14-AS, RW
38	329627	1367.3	0.06%	3	4102	Wingu-Tanzania, TZ
39	202319	1317.7	0.06%	3	3953	SOTOON-CDN, IR
40	37249	1170.0	0.02%	5	1170	CWHOUSE, NG
41	15515	1163.0	0.05%	3	3489	UNICREDIT-AS-VR-IT Via Alessandro Specchi 16, IT
42	395327	1157.0	0.02%	1	1157	BAYFEDCU, US
43	269518	1132.7	0.05%	6	3398	INFIBRA TELECOM SERVICOS DE COMUNICACAO E TECNOLOG, BR
44	137258	1130.0	0.02%	1	1130	SHIRAZI-AS-AP Shirazi Investments Pvt Ltd., PK
45	8978	1129.0	0.03%	2	2258	ASN-HOLYSEE Holy See Secretariat of State Department of Telecommunications, VA
46	57285	1127.0	0.02%	1	1127	UKRINFOSYSTEMS-AS, UA
47	214675	1124.0	0.02%	1	1124	STARLAMP Starlamp Network Project, JP
48	29382	1081.0	0.03%	2	2162	UKRINFOSYSTEMS-AS, UA
49	211535	1080.2	0.08%	5	5401	ASILKARI, IE
50	204318	1051.0	0.02%
Total		161074.1	13.17%

50 Most active Prefixes for the past 14 days

RANK	PREFIX	UPDs	%	Origin AS -- AS NAME
1	207.167.116.0/22	12286	0.17%	7954 -- IMMENSE-NETWORKS, US
2	130.137.231.0/24	10838	0.15%	16509 -- AMAZON-02, US
3	124.195.190.0/24	10754	0.15%	38684 -- CMBDAEJEON-AS-KR CMB Daejeon Broadcasting Co,.Ltd, KR
4	103.177.86.0/24	10628	0.15%	149038 -- UCGCL-AS-AP UNIQUE COMM GROUP COMPANY LIMITED, MM
5	103.177.87.0/24	10541	0.15%	149038 -- UCGCL-AS-AP UNIQUE COMM GROUP COMPANY LIMITED, MM
6	44.31.52.0/24	10521	0.14%	208453 -- SWEHOST-NET, SE 208907 -- RISING-BRIDGE-TECHNOLOGY, GB
7	55.74.57.0/24	10362	0.14%	335 -- DNIC-ASBLK-00306-00371, US
8	55.74.56.0/24	10328	0.14%	335 -- DNIC-ASBLK-00306-00371, US
9	55.27.56.0/24	10229	0.14%	335 -- DNIC-ASBLK-00306-00371, US
10	55.67.56.0/24	10227	0.14%	335 -- DNIC-ASBLK-00306-00371, US
11	55.27.217.0/24	10192	0.14%	335 -- DNIC-ASBLK-00306-00371, US
12	170.150.53.0/24	9175	0.13%	265046 -- NET-MAIS INFORMATICA, BR
13	186.83.117.0/24	8379	0.12%	10620 -- Telmex Colombia S.A., CO
14	130.137.108.0/24	8048	0.11%	16509 -- AMAZON-02, US
15	173.82.125.0/24	7973	0.11%	16509 -- AMAZON-02, US
16	130.137.12.0/24	7759	0.11%	16509 -- AMAZON-02, US
17	186.251.129.0/24	7748	0.11%	53225 -- IPGLOBE INTERNET LTDA, BR
18	130.137.230.0/24	7603	0.10%	16509 -- AMAZON-02, US
19	143.0.241.0/24	7469	0.10%	271217 -- Nova Info Internet e Telecomunicacoes LTDA, BR
20	199.47.232.0/22	7015	0.10%	13341 -- TRANQUILITY, US
21	130.137.219.0/24	6897	0.09%	16509 -- AMAZON-02, US
22	173.82.66.0/24	6865	0.09%	16509 -- AMAZON-02, US
23	84.205.66.0/24	6779	0.09%	12654 -- RIPE-NCC-RIS-AS Reseaux IP Europeens Network Coordination Centre RIPE NCC, NL
24	130.137.79.0/24	6695	0.09%	16509 -- AMAZON-02, US
25	130.137.80.0/24	6694	0.09%	16509 -- AMAZON-02, US
26	45.172.92.0/22	6656	0.09%	265566 -- TELESISTEMAS PENINSULARES SA DE CV, MX
27	130.137.118.0/24	6656	0.09%	8987 -- AWS-GOVCLOUD AWS-GOVCLOUD, IE
28	173.82.108.0/24	6534	0.09%	16509 -- AMAZON-02, US
29	195.114.122.0/24	6481	0.09%	8369 -- INTERSVYAZ-AS 38-B, Komsomolsky prospekt, RU
30	173.82.67.0/24	6469	0.09%	16509 -- AMAZON-02, US
31	173.82.63.0/24	6443	0.09%	16509 -- AMAZON-02, US
32	195.114.123.0/24	6418	0.09%	8369 -- INTERSVYAZ-AS 38-B, Komsomolsky prospekt, RU
33	193.105.156.0/24	6415	0.09%	8369 -- INTERSVYAZ-AS 38-B, Komsomolsky prospekt, RU
34	109.200.125.0/24	6329	0.09%	41560 -- UT-SVR, RU
35	177.46.36.0/24	6249	0.09%	28135 -- ASSOCIACAO NACIONAL PARA INCLUSAO DIGITAL - ANID, BR
36	130.137.124.0/24	6227	0.09%	16509 -- AMAZON-02, US
37	130.137.28.0/24	6193	0.09%	16509 -- AMAZON-02, US
38	103.104.136.0/24	6189	0.09%	136867 -- IDNIC-TELKOMTELSTRA-AS-ID PT. Teltranet Aplikasi Solusi Telkomtelstra, ID
39	130.137.150.0/24	6120	0.08%	16509 -- AMAZON-02, US
40	130.137.26.0/24	6111	0.08%	16509 -- AMAZON-02, US
41	130.137.111.0/24	6107	0.08%	16509 -- AMAZON-02, US
42	130.137.130.0/24	6107	0.08%	16509 -- AMAZON-02, US
43	173.82.129.0/24	6096	0.08%	16509 -- AMAZON-02, US
44	130.137.89.0/24	6085	0.08%	14618 -- AMAZON-AES, US
45	130.137.127.0/24	6079	0.08%	16509 -- AMAZON-02, US
46	130.137.16.0/24	6065	0.08%	16509 -- AMAZON-02, US
47	130.137.47.0/24	6064	0.08%	16509 -- AMAZON-02, US
48	130.137.90.0/24	6059	0.08%	16509 -- AMAZON-02, US
49	130.137.105.0/24	6059	0.08%	16509 -- AMAZON-02, US
50	130.137.227.0/24	6048	0.08%	16509 -- AMAZON-02, US
Total		378264	5.18%

14 Day BGP Profile: 29-December-2025 00:00 - 11-January-2026 23:59 (UTC+1000)

Number of BGP Update Messages:	15685709
Number of Prefix Updates:	6940611
Number of Prefix Withdrawals:	327883
Average Prefixes per BGP Update:	0.46
Average BGP Update Messages per second:	12.97
Average Prefix Updates per second:	6.01
Peak BGP Update Message Rate per second:	27194	(06:40:02 Sun, 4-Jan-2026)
Peak Prefix Update Rate per second:	929	(01:23:02 Fri, 9-Jan-2026)
Peak Prefix Withdraw Rate per second:	22304	(12:09:33 Mon, 5-Jan-2026)
Prefix Count:	1065204
Updated Prefix Count:	463421
Stable Prefix Count:	601783
Origin AS Count:	77700
Updated Origin AS Count:	43484
Stable Origin AS Count:	34216
Unique Path Count:	499840
Updated Path Count:	305418
Stable Path Count:	194422

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.