The BGP Instability Report

The BGP Instability Report is updated daily. This report
was generated on 08 January 2026 06:17 (UTC+1000)

50 Most active ASes for the past 14 days

RANK	ASN	UPDs	%	Prefixes	UPDs/Prefix	AS NAME
1	5413	508938	8.10%	97	5246.78	WAVENET-AS5413, GB
2	16509	304073	4.84%	14202	21.41	AMAZON-02, US
3	8151	146161	2.33%	12730	11.48	UNINET, MX
4	12252	126532	2.01%	702	180.25	America Movil Peru S.A.C., PE
5	6648	73335	1.17%	269	272.62	BAYAN-TELECOMMUNICATIONS Bayan Telecommunications, Inc., PH
6	7821	71704	1.14%	17	4217.88	ZAYO-MN, US
7	15766	58751	0.94%	15	3916.73	DOMICILIUM-AS, IM
8	335	55058	0.88%	224	245.79	DNIC-ASBLK-00306-00371, US
9	9808	53637	0.85%	13559	3.96	CHINAMOBILE-CN China Mobile Communications Group Co., Ltd., CN
10	4837	48698	0.78%	1035	47.05	CHINA169-BACKBONE CHINA UNICOM China169 Backbone, CN
11	18403	41820	0.67%	4603	9.09	FPT-AS-AP FPT Telecom Company, VN
12	36903	39698	0.63%	1261	31.48	MT-MPLS, MA
13	10620	37982	0.60%	3434	11.06	Telmex Colombia S.A., CO
14	58224	32166	0.51%	1173	27.42	TCI, IR
15	401696	30323	0.48%	235	129.03	COGNETCLOUD, US
16	24186	29631	0.47%	659	44.96	RAILTEL-AS-IN RailTel Corporation of India Ltd, IN
17	28227	28307	0.45%	46	615.37	NOVACIA TECNOLOGIA E TELECOMUNICACOES LTDA, BR
18	197207	28233	0.45%	1115	25.32	MCCI-AS, IR
19	9829	27787	0.44%	1862	14.92	BSNL-NIB National Internet Backbone, IN
20	13188	26780	0.43%	1607	16.66	TRIOLAN, UA
21	42337	25065	0.40%	697	35.96	RESPINA-AS, IR
22	6503	23904	0.38%	726	32.93	Axtel, S.A.B. de C.V., MX
23	36914	23294	0.37%	579	40.23	KENET-AS, KE
24	2609	22862	0.36%	86	265.84	TN-BB-AS Tunisia BackBone AS, TN
25	9340	21683	0.35%	378	57.36	INDONET-AS-AP INDO Internet, PT, ID
26	1257	21570	0.34%	394	54.75	TELE2, EU
27	647	20383	0.32%	440	46.33	DNIC-ASBLK-00616-00665, US
28	8866	19809	0.32%	969	20.44	VIVACOM-AS BULGARIA, BG
29	8369	19676	0.31%	121	162.61	INTERSVYAZ-AS 38-B, Komsomolsky prospekt, RU
30	44244	19659	0.31%	719	27.34	IRANCELL-AS, IR
31	37294	19499	0.31%	140	139.28	TNM, MW
32	8452	18936	0.30%	1716	11.03	TE-AS TE-AS, EG
33	31148	18539	0.30%	554	33.46	FREENET_LLC, UA
34	3303	18365	0.29%	255	72.02	SWISSCOM Swisscom Switzerland Ltd, CH
35	20473	17144	0.27%	1413	12.13	AS-VULTR, US
36	149038	17073	0.27%	2	8536.50	UCGCL-AS-AP UNIQUE COMM GROUP COMPANY LIMITED, MM
37	8613	16310	0.26%	3	5436.67	WAVENET-AS8613, GB
38	45090	15620	0.25%	2189	7.14	TENCENT-NET-AP Shenzhen Tencent Computer Systems Company Limited, CN
39	17561	15585	0.25%	3242	4.81	LCS-AS-AP LARUS Limited, HK
40	14754	15544	0.25%	475	32.72	TELECOMUNICACIONES DE GUATEMALA, SOCIEDAD ANONIMA, GT
41	47065	15324	0.24%	18	851.33	PEERING-RESEARCH-TESTBED-USC-UFMG-AS47065, US
42	40138	15218	0.24%	5	3043.60	MDNET, US
43	28573	15143	0.24%	1387	10.92	Claro NXT Telecomunicacoes Ltda, BR
44	266207	14881	0.24%	21	708.62	Onitel Telecomunicacoes, BR
45	56046	14336	0.23%	3413	4.20	CMNET-JIANGSU-AP China Mobile communications corporation, CN
46	27715	13715	0.22%	242	56.67	Locaweb Servicos de Internet SA, BR
47	12357	13664	0.22%	17	803.76	COMUNITEL SPAIN, ES
48	38444	13332	0.21%	64	208.31	SUPERBROADBANDNETWORK-AS-AP Super Broadband Network, TH
49	12654	12917	0.21%	22	587.14	RIPE-NCC-RIS-AS Reseaux IP Europeens Network Coordination Centre RIPE NCC, NL
50	57670	12871	0.20%	6	2145.17	ASOPENWAY, UA
Total		2301535	36.63%

50 Most active ASes for the past 14 days

RANK	ASN	UPDs/Prefix	%	Prefixes	UPDs	AS NAME
1	7954	12417.0	0.20%	3	12417	IMMENSE-NETWORKS, US
2	208907	10895.0	0.17%	1	10895	RISING-BRIDGE-TECHNOLOGY, GB
3	149038	8536.5	0.27%	2	17073	UCGCL-AS-AP UNIQUE COMM GROUP COMPANY LIMITED, MM
4	13341	6988.0	0.11%	5	6988	TRANQUILITY, US
5	197320	5445.0	0.09%	1	5445	NPA-AS, GB
6	8613	5436.7	0.26%	3	16310	WAVENET-AS8613, GB
7	29874	5433.0	0.09%	4	5433	CAMBRI-AS1, US
8	41383	5414.0	0.17%	8	10828	WOLASN, GB
9	15766	5341.0	0.94%	15	58751	DOMICILIUM-AS, IM
10	5413	5246.8	8.10%	97	508938	WAVENET-AS5413, GB
11	213812	4719.5	0.15%	2	9439	ALFATEH, SY
12	7821	4217.9	1.14%	17	71704	ZAYO-MN, US
13	265046	3660.0	0.12%	3	7320	NET-MAIS INFORMATICA, BR
14	8791	3604.7	0.17%	3	10814	FOEHN, GB
15	29052	3540.0	0.06%	1	3540	LYCOS-AS Lykos group is among the pioneers that shape the printing market, AT
16	29469	3514.0	0.06%	1	3514	GTU Khmelnitsky, Ukraine, UA
17	27621	3458.0	0.06%	8	3458	AMERICAN-COMPUTER-ASSOCIATES-SCHUYL-INC, US
18	212274	3431.0	0.05%	1	3431	ELTRAKSA-AS, GR
19	12357	3416.0	0.22%	17	13664	COMUNITEL SPAIN, ES
20	265566	3411.5	0.11%	3	6823	TELESISTEMAS PENINSULARES SA DE CV, MX
21	269518	3166.0	0.05%	6	3166	INFIBRA TELECOM SERVICOS DE COMUNICACAO E TECNOLOG, BR
22	51897	3086.0	0.05%	1	3086	MIHAN, IR
23	40138	3043.6	0.24%	5	15218	MDNET, US
24	56644	2649.5	0.08%	2	5299	SYNFS-AS, GB
25	271217	2480.0	0.12%	4	7440	Nova Info Internet e Telecomunicacoes LTDA, BR
26	198918	2424.0	0.12%	8	7272	MST-ZELDOL-AS MST Moskva Zeldol, RU
27	136867	2169.0	0.10%	3	6507	IDNIC-TELKOMTELSTRA-AS-ID PT. Teltranet Aplikasi Solusi Telkomtelstra, ID
28	57670	2145.2	0.20%	6	12871	ASOPENWAY, UA
29	41538	1980.0	0.03%	2	1980	INSPIRED-AS, GB
30	21074	1950.0	0.06%	2	3900	ASN-AT-VR22, IT
31	21570	1868.0	0.03%	94	1868	ACI-1, CA
32	329613	1861.0	0.03%	1	1861	Iris-Smart-Technologies, NG
33	206467	1803.3	0.09%	3	5410	PROTECH-COMMS, GB
34	328516	1765.0	0.03%	1	1765	Premium-Pension-Limited-AS, NG
35	134659	1754.0	0.03%	2	1754	IDNIC-DISKOMINFODKI-AS-ID Diskominfo DKI Jakarta, ID
36	150512	1616.0	0.05%	2	3232	IDNIC-MASKOMINDONESIARAYA-AS-ID PT Maskom Indonesia Raya, ID
37	329104	1487.0	0.02%	1	1487	AL14-AS, RW
38	136501	1485.4	0.12%	20	7427	HKBNES-AS-AP HKBN Enterprise Solutions HK Limited, HK
39	201983	1416.0	0.05%	29	2832	ANSLUTEN-AS, SE
40	54690	1369.0	0.02%	9	1369	CLU, US
41	2603	1369.0	0.04%	10	2738	NORDUNET, DK
42	329627	1359.3	0.06%	3	4078	Wingu-Tanzania, TZ
43	399889	1262.5	0.04%	2	2525	NET-FRONT-001, US
44	15515	1167.3	0.06%	3	3502	UNICREDIT-AS-VR-IT Via Alessandro Specchi 16, IT
45	8978	1136.5	0.04%	2	2273	ASN-HOLYSEE Holy See Secretariat of State Department of Telecommunications, VA
46	395327	1117.0	0.02%	1	1117	BAYFEDCU, US
47	151526	1113.0	0.02%	1	1113	IDNIC-ONETERNITY-AS-ID PT One Network Eternity, ID
48	57285	1110.0	0.02%	1	1110	UKRINFOSYSTEMS-AS, UA
49	137258	1105.0	0.02%	1	1105	SHIRAZI-AS-AP Shirazi Investments Pvt Ltd., PK
50	60813	1088.0	0.02%
Total		161471.2	14.40%

50 Most active Prefixes for the past 14 days

RANK	PREFIX	UPDs	%	Origin AS -- AS NAME
1	207.167.116.0/22	12417	0.19%	7954 -- IMMENSE-NETWORKS, US
2	130.137.231.0/24	10919	0.17%	16509 -- AMAZON-02, US
3	124.195.190.0/24	10911	0.17%	38684 -- CMBDAEJEON-AS-KR CMB Daejeon Broadcasting Co,.Ltd, KR
4	44.31.52.0/24	10895	0.17%	208907 -- RISING-BRIDGE-TECHNOLOGY, GB
5	55.74.57.0/24	10181	0.15%	335 -- DNIC-ASBLK-00306-00371, US
6	55.67.56.0/24	10178	0.15%	335 -- DNIC-ASBLK-00306-00371, US
7	55.27.56.0/24	10170	0.15%	335 -- DNIC-ASBLK-00306-00371, US
8	55.74.56.0/24	10163	0.15%	335 -- DNIC-ASBLK-00306-00371, US
9	55.27.217.0/24	10148	0.15%	335 -- DNIC-ASBLK-00306-00371, US
10	103.177.87.0/24	8602	0.13%	149038 -- UCGCL-AS-AP UNIQUE COMM GROUP COMPANY LIMITED, MM
11	103.177.86.0/24	8472	0.13%	149038 -- UCGCL-AS-AP UNIQUE COMM GROUP COMPANY LIMITED, MM
12	186.83.117.0/24	8334	0.13%	10620 -- Telmex Colombia S.A., CO
13	130.137.108.0/24	7983	0.12%	16509 -- AMAZON-02, US
14	173.82.125.0/24	7867	0.12%	16509 -- AMAZON-02, US
15	130.137.12.0/24	7727	0.12%	16509 -- AMAZON-02, US
16	186.251.129.0/24	7641	0.12%	53225 -- IPGLOBE INTERNET LTDA, BR
17	130.137.230.0/24	7640	0.12%	16509 -- AMAZON-02, US
18	143.0.241.0/24	7426	0.11%	271217 -- Nova Info Internet e Telecomunicacoes LTDA, BR
19	170.150.53.0/24	7288	0.11%	265046 -- NET-MAIS INFORMATICA, BR
20	199.47.232.0/22	6988	0.11%	13341 -- TRANQUILITY, US
21	130.137.219.0/24	6861	0.10%	16509 -- AMAZON-02, US
22	173.82.66.0/24	6834	0.10%	16509 -- AMAZON-02, US
23	45.172.92.0/22	6820	0.10%	265566 -- TELESISTEMAS PENINSULARES SA DE CV, MX
24	84.205.66.0/24	6770	0.10%	12654 -- RIPE-NCC-RIS-AS Reseaux IP Europeens Network Coordination Centre RIPE NCC, NL
25	130.137.79.0/24	6679	0.10%	16509 -- AMAZON-02, US
26	130.137.118.0/24	6676	0.10%	8987 -- AWS-GOVCLOUD AWS-GOVCLOUD, IE
27	130.137.80.0/24	6652	0.10%	16509 -- AMAZON-02, US
28	195.114.123.0/24	6507	0.10%	8369 -- INTERSVYAZ-AS 38-B, Komsomolsky prospekt, RU
29	103.104.136.0/24	6501	0.10%	136867 -- IDNIC-TELKOMTELSTRA-AS-ID PT. Teltranet Aplikasi Solusi Telkomtelstra, ID
30	152.53.40.0/24	6495	0.10%	42473 -- AS-ANEXIA ANEXIA Internetdienstleistungs GmbH, AT
31	193.105.156.0/24	6484	0.10%	8369 -- INTERSVYAZ-AS 38-B, Komsomolsky prospekt, RU
32	173.82.67.0/24	6473	0.10%	16509 -- AMAZON-02, US
33	173.82.108.0/24	6466	0.10%	16509 -- AMAZON-02, US
34	195.114.122.0/24	6464	0.10%	8369 -- INTERSVYAZ-AS 38-B, Komsomolsky prospekt, RU
35	173.82.63.0/24	6455	0.10%	16509 -- AMAZON-02, US
36	177.46.36.0/24	6261	0.10%	28135 -- ASSOCIACAO NACIONAL PARA INCLUSAO DIGITAL - ANID, BR
37	130.137.28.0/24	6219	0.09%	16509 -- AMAZON-02, US
38	130.137.124.0/24	6181	0.09%	16509 -- AMAZON-02, US
39	130.137.47.0/24	6104	0.09%	16509 -- AMAZON-02, US
40	130.137.26.0/24	6093	0.09%	16509 -- AMAZON-02, US
41	173.82.129.0/24	6074	0.09%	16509 -- AMAZON-02, US
42	130.137.105.0/24	6073	0.09%	16509 -- AMAZON-02, US
43	130.137.127.0/24	6061	0.09%	16509 -- AMAZON-02, US
44	130.137.89.0/24	6061	0.09%	14618 -- AMAZON-AES, US
45	130.137.130.0/24	6055	0.09%	16509 -- AMAZON-02, US
46	130.137.150.0/24	6055	0.09%	16509 -- AMAZON-02, US
47	130.137.140.0/24	6053	0.09%	16509 -- AMAZON-02, US
48	130.137.227.0/24	6050	0.09%	16509 -- AMAZON-02, US
49	130.137.90.0/24	6044	0.09%	16509 -- AMAZON-02, US
50	130.137.111.0/24	6031	0.09%	16509 -- AMAZON-02, US
Total		372502	5.63%

14 Day BGP Profile: 25-December-2025 00:00 - 7-January-2026 23:59 (UTC+1000)

Number of BGP Update Messages:	13953953
Number of Prefix Updates:	6280622
Number of Prefix Withdrawals:	295154
Average Prefixes per BGP Update:	0.47
Average BGP Update Messages per second:	11.54
Average Prefix Updates per second:	5.44
Peak BGP Update Message Rate per second:	27194	(06:40:02 Sun, 4-Jan-2026)
Peak Prefix Update Rate per second:	615	(09:26:50 Tue, 30-Dec-2025)
Peak Prefix Withdraw Rate per second:	16397	(06:40:02 Sun, 4-Jan-2026)
Prefix Count:	1063518
Updated Prefix Count:	435209
Stable Prefix Count:	628309
Origin AS Count:	77642
Updated Origin AS Count:	41092
Stable Origin AS Count:	36550
Unique Path Count:	482836
Updated Path Count:	282583
Stable Path Count:	200253

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.