The BGP Instability Report

The BGP Instability Report is updated daily. This report
was generated on 13 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	518413	7.49%	97	5344.46	WAVENET-AS5413, GB
2	16509	324272	4.69%	14302	22.67	AMAZON-02, US
3	8151	213208	3.08%	12784	16.68	UNINET, MX
4	12252	128647	1.86%	702	183.26	America Movil Peru S.A.C., PE
5	6648	73546	1.06%	269	273.41	BAYAN-TELECOMMUNICATIONS Bayan Telecommunications, Inc., PH
6	7821	70666	1.02%	17	4156.82	ZAYO-MN, US
7	15766	60608	0.88%	15	4040.53	DOMICILIUM-AS, IM
8	9808	55902	0.81%	13543	4.13	CHINAMOBILE-CN China Mobile Communications Group Co., Ltd., CN
9	335	54550	0.79%	225	242.44	DNIC-ASBLK-00306-00371, US
10	55410	53927	0.78%	1179	45.74	VIL-AS-AP Vodafone Idea Ltd, IN
11	36903	51655	0.75%	1232	41.93	MT-MPLS, MA
12	4837	47140	0.68%	1041	45.28	CHINA169-BACKBONE CHINA UNICOM China169 Backbone, CN
13	58224	45957	0.66%	1233	37.27	TCI, IR
14	401696	44626	0.65%	237	188.30	COGNETCLOUD, US
15	42337	38201	0.55%	717	53.28	RESPINA-AS, IR
16	39891	35812	0.52%	4969	7.21	ALJAWWALSTC-AS, SA
17	10620	31304	0.45%	3434	9.12	Telmex Colombia S.A., CO
18	9829	29960	0.43%	1862	16.09	BSNL-NIB National Internet Backbone, IN
19	28227	29529	0.43%	46	641.93	NOVACIA TECNOLOGIA E TELECOMUNICACOES LTDA, BR
20	13188	29380	0.42%	1607	18.28	TRIOLAN, UA
21	197207	28118	0.41%	1063	26.45	MCCI-AS, IR
22	18403	27627	0.40%	4479	6.17	FPT-AS-AP FPT Telecom Company, VN
23	24186	27333	0.40%	664	41.16	RAILTEL-AS-IN RailTel Corporation of India Ltd, IN
24	9340	26800	0.39%	390	68.72	INDONET-AS-AP INDO Internet, PT, ID
25	6147	24571	0.36%	1261	19.49	Telefonica del Peru S.A.A., PE
26	9294	22685	0.33%	136	166.80	GNETINC-AS-AP GNET INC., US
27	36914	22452	0.32%	579	38.78	KENET-AS, KE
28	1257	21885	0.32%	394	55.55	TELE2, EU
29	28573	21865	0.32%	1389	15.74	Claro NXT Telecomunicacoes Ltda, BR
30	149038	21501	0.31%	2	10750.50	UCGCL-AS-AP UNIQUE COMM GROUP COMPANY LIMITED, MM
31	11830	21329	0.31%	1992	10.71	Instituto Costarricense de Electricidad y Telecom., CR
32	265594	21019	0.30%	86	244.41	Television Internacional, S.A. de C.V., MX
33	647	20905	0.30%	437	47.84	DNIC-ASBLK-00616-00665, US
34	6503	20314	0.29%	726	27.98	Axtel, S.A.B. de C.V., MX
35	31148	19500	0.28%	554	35.20	FREENET_LLC, UA
36	8369	19275	0.28%	57	338.16	INTERSVYAZ-AS 38-B, Komsomolsky prospekt, RU
37	11664	19032	0.28%	1391	13.68	Techtel LMDS Comunicaciones Interactivas S.A., AR
38	8452	18156	0.26%	1720	10.56	TE-AS TE-AS, EG
39	20473	17909	0.26%	1410	12.70	AS-VULTR, US
40	8613	16840	0.24%	3	5613.33	WAVENET-AS8613, GB
41	14754	16807	0.24%	475	35.38	TELECOMUNICACIONES DE GUATEMALA, SOCIEDAD ANONIMA, GT
42	58453	16764	0.24%	74	226.54	CMI-INT-HK China Mobile International Limited, HK
43	44244	16751	0.24%	614	27.28	IRANCELL-AS, IR
44	37294	15794	0.23%	140	112.81	TNM, MW
45	266207	15620	0.23%	21	743.81	Onitel Telecomunicacoes, BR
46	38444	15575	0.23%	64	243.36	SUPERBROADBANDNETWORK-AS-AP Super Broadband Network, TH
47	5371	15404	0.22%	303	50.84	DNIC-ASBLK-05120-05376, US
48	24835	15248	0.22%	1989	7.67	RAYA-AS, EG
49	272809	15222	0.22%	238	63.96	THUNDERNET, C.A., VE
50	47065	15057	0.22%	20	752.85	PEERING-RESEARCH-TESTBED-USC-UFMG-AS47065, US
Total		2534661	36.65%

50 Most active ASes for the past 14 days

RANK	ASN	UPDs/Prefix	%	Prefixes	UPDs	AS NAME
1	7954	12270.0	0.18%	3	12270	IMMENSE-NETWORKS, US
2	149038	10750.5	0.31%	2	21501	UCGCL-AS-AP UNIQUE COMM GROUP COMPANY LIMITED, MM
3	208907	10359.0	0.15%	1	10359	RISING-BRIDGE-TECHNOLOGY, GB
4	8369	6425.0	0.28%	57	19275	INTERSVYAZ-AS 38-B, Komsomolsky prospekt, RU
5	197320	5619.0	0.08%	1	5619	NPA-AS, GB
6	8613	5613.3	0.24%	3	16840	WAVENET-AS8613, GB
7	29874	5612.0	0.08%	4	5612	CAMBRI-AS1, US
8	41383	5599.0	0.16%	8	11198	WOLASN, GB
9	15766	5509.8	0.88%	15	60608	DOMICILIUM-AS, IM
10	5413	5344.5	7.49%	97	518413	WAVENET-AS5413, GB
11	213812	4884.5	0.14%	2	9769	ALFATEH, SY
12	265046	4636.0	0.13%	3	9272	NET-MAIS INFORMATICA, BR
13	7821	4156.8	1.02%	17	70666	ZAYO-MN, US
14	27621	3870.0	0.06%	8	3870	AMERICAN-COMPUTER-ASSOCIATES-SCHUYL-INC, US
15	8791	3712.3	0.16%	3	11137	FOEHN, GB
16	29052	3539.0	0.05%	1	3539	LYCOS-AS Lykos group is among the pioneers that shape the printing market, AT
17	29469	3531.0	0.05%	1	3531	GTU Khmelnitsky, Ukraine, UA
18	212274	3478.0	0.05%	1	3478	ELTRAKSA-AS, GR
19	265566	3279.0	0.09%	3	6558	TELESISTEMAS PENINSULARES SA DE CV, MX
20	51897	3085.0	0.04%	1	3085	MIHAN, IR
21	56644	2734.5	0.08%	2	5469	SYNFS-AS, GB
22	12357	2681.2	0.16%	17	10725	COMUNITEL SPAIN, ES
23	198918	2448.7	0.11%	8	7346	MST-ZELDOL-AS MST Moskva Zeldol, RU
24	398741	2418.0	0.03%	1	2418	AS-VERTEXLINK-01, US
25	40138	2395.2	0.17%	5	11976	MDNET, US
26	57670	2266.0	0.20%	6	13596	ASOPENWAY, UA
27	136867	2012.3	0.09%	3	6037	IDNIC-TELKOMTELSTRA-AS-ID PT. Teltranet Aplikasi Solusi Telkomtelstra, ID
28	271217	1888.5	0.11%	4	7554	Nova Info Internet e Telecomunicacoes LTDA, BR
29	206467	1859.3	0.08%	3	5578	PROTECH-COMMS, GB
30	41538	1815.0	0.03%	2	1815	INSPIRED-AS, GB
31	13341	1762.2	0.10%	5	7049	TRANQUILITY, US
32	202319	1709.3	0.07%	3	5128	SOTOON-CDN, IR
33	329613	1665.0	0.02%	1	1665	Iris-Smart-Technologies, NG
34	55839	1639.0	0.02%	37	1639	MICROSENSE-AS-AP Microsense Private Limited, IN
35	136501	1515.0	0.11%	20	7575	HKBNES-AS-AP HKBN Enterprise Solutions HK Limited, HK
36	211535	1444.4	0.10%	5	7222	ASILKARI, IE
37	329104	1432.0	0.02%	1	1432	AL14-AS, RW
38	328516	1349.0	0.02%	1	1349	Premium-Pension-Limited-AS, NG
39	329627	1314.7	0.06%	3	3944	Wingu-Tanzania, TZ
40	134659	1184.0	0.03%	2	2368	IDNIC-DISKOMINFODKI-AS-ID Diskominfo DKI Jakarta, ID
41	15515	1151.3	0.05%	3	3454	UNICREDIT-AS-VR-IT Via Alessandro Specchi 16, IT
42	137258	1138.0	0.02%	1	1138	SHIRAZI-AS-AP Shirazi Investments Pvt Ltd., PK
43	395327	1136.0	0.02%	1	1136	BAYFEDCU, US
44	37249	1133.0	0.02%	5	1133	CWHOUSE, NG
45	57285	1132.0	0.02%	1	1132	UKRINFOSYSTEMS-AS, UA
46	214675	1121.0	0.02%	1	1121	STARLAMP Starlamp Network Project, JP
47	269518	1119.7	0.05%	6	3359	INFIBRA TELECOM SERVICOS DE COMUNICACAO E TECNOLOG, BR
48	8978	1064.0	0.03%	2	2128	ASN-HOLYSEE Holy See Secretariat of State Department of Telecommunications, VA
49	28657	1054.7	0.05%	3	3164	MD Brasil - Tecnologia da Informacao Ltda, BR
50	29382	1048.5	0.03%
Total		159905.2	13.56%

50 Most active Prefixes for the past 14 days

RANK	PREFIX	UPDs	%	Origin AS -- AS NAME
1	207.167.116.0/22	12270	0.17%	7954 -- IMMENSE-NETWORKS, US
2	130.137.231.0/24	10847	0.15%	16509 -- AMAZON-02, US
3	103.177.86.0/24	10842	0.15%	149038 -- UCGCL-AS-AP UNIQUE COMM GROUP COMPANY LIMITED, MM
4	124.195.190.0/24	10749	0.15%	38684 -- CMBDAEJEON-AS-KR CMB Daejeon Broadcasting Co,.Ltd, KR
5	103.177.87.0/24	10659	0.15%	149038 -- UCGCL-AS-AP UNIQUE COMM GROUP COMPANY LIMITED, MM
6	55.74.57.0/24	10440	0.14%	335 -- DNIC-ASBLK-00306-00371, US
7	55.74.56.0/24	10396	0.14%	335 -- DNIC-ASBLK-00306-00371, US
8	44.31.52.0/24	10362	0.14%	208453 -- SWEHOST-NET, SE 208907 -- RISING-BRIDGE-TECHNOLOGY, GB
9	55.27.56.0/24	10317	0.14%	335 -- DNIC-ASBLK-00306-00371, US
10	55.67.56.0/24	10315	0.14%	335 -- DNIC-ASBLK-00306-00371, US
11	55.27.217.0/24	10285	0.14%	335 -- DNIC-ASBLK-00306-00371, US
12	170.150.53.0/24	9248	0.13%	265046 -- NET-MAIS INFORMATICA, BR
13	186.83.117.0/24	8457	0.12%	10620 -- Telmex Colombia S.A., CO
14	130.137.108.0/24	8074	0.11%	16509 -- AMAZON-02, US
15	173.82.125.0/24	7987	0.11%	16509 -- AMAZON-02, US
16	186.251.129.0/24	7807	0.11%	53225 -- IPGLOBE INTERNET LTDA, BR
17	130.137.12.0/24	7745	0.11%	16509 -- AMAZON-02, US
18	130.137.230.0/24	7632	0.11%	16509 -- AMAZON-02, US
19	143.0.241.0/24	7512	0.10%	271217 -- Nova Info Internet e Telecomunicacoes LTDA, BR
20	199.47.232.0/22	7043	0.10%	13341 -- TRANQUILITY, US
21	173.82.66.0/24	6896	0.10%	16509 -- AMAZON-02, US
22	130.137.219.0/24	6892	0.10%	16509 -- AMAZON-02, US
23	84.205.66.0/24	6774	0.09%	12654 -- RIPE-NCC-RIS-AS Reseaux IP Europeens Network Coordination Centre RIPE NCC, NL
24	130.137.80.0/24	6708	0.09%	16509 -- AMAZON-02, US
25	130.137.118.0/24	6696	0.09%	8987 -- AWS-GOVCLOUD AWS-GOVCLOUD, IE
26	130.137.79.0/24	6683	0.09%	16509 -- AMAZON-02, US
27	45.172.92.0/22	6542	0.09%	265566 -- TELESISTEMAS PENINSULARES SA DE CV, MX
28	173.82.108.0/24	6536	0.09%	16509 -- AMAZON-02, US
29	109.200.125.0/24	6523	0.09%	41560 -- UT-SVR, RU
30	195.114.122.0/24	6480	0.09%	8369 -- INTERSVYAZ-AS 38-B, Komsomolsky prospekt, RU
31	173.82.63.0/24	6475	0.09%	16509 -- AMAZON-02, US
32	173.82.67.0/24	6436	0.09%	16509 -- AMAZON-02, US
33	193.105.156.0/24	6408	0.09%	8369 -- INTERSVYAZ-AS 38-B, Komsomolsky prospekt, RU
34	195.114.123.0/24	6387	0.09%	8369 -- INTERSVYAZ-AS 38-B, Komsomolsky prospekt, RU
35	130.137.124.0/24	6237	0.09%	16509 -- AMAZON-02, US
36	177.46.36.0/24	6224	0.09%	28135 -- ASSOCIACAO NACIONAL PARA INCLUSAO DIGITAL - ANID, BR
37	117.54.132.0/24	6212	0.09%	9340 -- INDONET-AS-AP INDO Internet, PT, ID
38	130.137.28.0/24	6194	0.09%	16509 -- AMAZON-02, US
39	130.137.16.0/24	6149	0.08%	16509 -- AMAZON-02, US
40	130.137.130.0/24	6136	0.08%	16509 -- AMAZON-02, US
41	130.137.26.0/24	6132	0.08%	16509 -- AMAZON-02, US
42	130.137.105.0/24	6114	0.08%	16509 -- AMAZON-02, US
43	130.137.150.0/24	6112	0.08%	16509 -- AMAZON-02, US
44	173.82.129.0/24	6107	0.08%	16509 -- AMAZON-02, US
45	130.137.89.0/24	6106	0.08%	14618 -- AMAZON-AES, US
46	130.137.127.0/24	6104	0.08%	16509 -- AMAZON-02, US
47	130.137.111.0/24	6101	0.08%	16509 -- AMAZON-02, US
48	130.137.47.0/24	6081	0.08%	16509 -- AMAZON-02, US
49	130.137.90.0/24	6072	0.08%	16509 -- AMAZON-02, US
50	130.137.227.0/24	6067	0.08%	16509 -- AMAZON-02, US
Total		379571	5.21%

14 Day BGP Profile: 30-December-2025 00:00 - 12-January-2026 23:59 (UTC+1000)

Number of BGP Update Messages:	15623728
Number of Prefix Updates:	6917354
Number of Prefix Withdrawals:	326693
Average Prefixes per BGP Update:	0.46
Average BGP Update Messages per second:	12.92
Average Prefix Updates per second:	5.99
Peak BGP Update Message Rate per second:	27194	(06:40:02 Sun, 4-Jan-2026)
Peak Prefix Update Rate per second:	936	(01:23:02 Fri, 9-Jan-2026)
Peak Prefix Withdraw Rate per second:	22264	(12:09:33 Mon, 5-Jan-2026)
Prefix Count:	1064626
Updated Prefix Count:	464247
Stable Prefix Count:	600379
Origin AS Count:	77705
Updated Origin AS Count:	43744
Stable Origin AS Count:	33961
Unique Path Count:	500472
Updated Path Count:	306543
Stable Path Count:	193929

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.