The BGP Instability Report

The BGP Instability Report is updated daily. This report
was generated on 09 November 2025 06:26 (UTC+1000)

50 Most active ASes for the past 14 days

RANK	ASN	UPDs	%	Prefixes	UPDs/Prefix	AS NAME
1	8151	451026	3.87%	12622	35.73	UNINET, MX
2	16509	331138	2.84%	14621	22.65	AMAZON-02, US
3	12714	113272	0.97%	343	330.24	MEGAFON-AS Moscow, Russia, RU
4	36903	107022	0.92%	1250	85.62	MT-MPLS, MA
5	4155	91638	0.79%	3820	23.99	USDA-1, US
6	42337	87047	0.75%	693	125.61	RESPINA-AS, IR
7	31163	81688	0.70%	237	344.68	MF-KAVKAZ-AS, RU
8	13188	69258	0.59%	1607	43.10	TRIOLAN, UA
9	39891	67152	0.58%	4833	13.89	ALJAWWALSTC-AS, SA
10	6147	57294	0.49%	1782	32.15	Telefonica del Peru S.A.A., PE
11	335	55480	0.48%	223	248.79	DNIC-ASBLK-00306-00371, US
12	31133	52666	0.45%	462	114.00	MF-MGSM-AS PJSC MegaFon, RU
13	36914	51109	0.44%	588	86.92	KENET-AS, KE
14	12479	46326	0.40%	7491	6.18	UNI2-AS, ES
15	152194	45933	0.39%	663	69.28	CTGSERVERLIMITED-AS-AP CTG Server Limited, HK
16	7821	45882	0.39%	17	2698.94	ZAYO-MN, US
17	58224	44832	0.38%	1162	38.58	TCI, IR
18	197207	44647	0.38%	861	51.85	MCCI-AS, IR
19	37294	40786	0.35%	134	304.37	TNM, MW
20	647	40424	0.35%	437	92.50	DNIC-ASBLK-00616-00665, US
21	45899	39401	0.34%	3330	11.83	VNPT-AS-VN VNPT Corp, VN
22	4780	38474	0.33%	1048	36.71	SEEDNET Digital United Inc., TW
23	18403	36118	0.31%	4539	7.96	FPT-AS-AP FPT Telecom Company, VN
24	31208	35539	0.30%	50	710.78	MF-CENTER-AS, RU
25	22773	34907	0.30%	4688	7.45	ASN-CXA-ALL-CCI-22773-RDC, US
26	10620	33297	0.29%	3456	9.63	Telmex Colombia S.A., CO
27	212477	32058	0.27%	140	228.99	ROYALE-AS, NL
28	11830	30946	0.27%	1991	15.54	Instituto Costarricense de Electricidad y Telecom., CR
29	13335	30644	0.26%	2398	12.78	CLOUDFLARENET, US
30	18101	29529	0.25%	684	43.17	RELIANCE-COMMUNICATIONS-IN Reliance Communications Ltd.DAKC MUMBAI, IN
31	367	29186	0.25%	1948	14.98	DNIC-ASBLK-00306-00371, US
32	36352	27966	0.24%	2860	9.78	AS-COLOCROSSING, US
33	6079	27213	0.23%	1478	18.41	RCN-AS, US
34	24835	26268	0.23%	2054	12.79	RAYA-AS, EG
35	11664	25759	0.22%	1311	19.65	Techtel LMDS Comunicaciones Interactivas S.A., AR
36	9829	25727	0.22%	1862	13.82	BSNL-NIB National Internet Backbone, IN
37	20940	24999	0.21%	4044	6.18	AKAMAI-ASN1, NL
38	174	24312	0.21%	3157	7.70	COGENT-174, US
39	3302	23813	0.20%	54	440.98	AS-IRIDEOS, IT
40	28573	23183	0.20%	1527	15.18	Claro NXT Telecomunicacoes Ltda, BR
41	12389	22986	0.20%	3172	7.25	ROSTELECOM-AS PJSC Rostelecom. Technical Team, RU
42	7552	22906	0.20%	3990	5.74	VIETEL-AS-AP Viettel Group, VN
43	55410	22891	0.20%	1153	19.85	VIL-AS-AP Vodafone Idea Ltd, IN
44	203020	22833	0.20%	1733	13.18	HOSTROYALE, IN
45	5371	22664	0.19%	286	79.24	DNIC-ASBLK-05120-05376, US
46	11492	22235	0.19%	4781	4.65	CABLEONE, US
47	25159	21863	0.19%	68	321.51	SONICDUO-AS, RU
48	28840	21674	0.19%	321	67.52	TATTELECOM-AS, RU
49	22884	21531	0.18%	1064	20.24	TOTAL PLAY TELECOMUNICACIONES SA DE CV, MX
50	8452	21374	0.18%	1696	12.60	TE-AS TE-AS, EG
Total		2746916	23.56%

50 Most active ASes for the past 14 days

RANK	ASN	UPDs/Prefix	%	Prefixes	UPDs	AS NAME
1	396950	5364.0	0.05%	1	5364	COMSTBARTH-AS, FR
2	149038	5047.0	0.09%	2	10094	UCGCL-AS-AP UNIQUE COMM GROUP COMPANY LIMITED, MM
3	12770	4140.5	0.07%	2	8281	KHB1, RU
4	7954	4050.7	0.10%	3	12152	IMMENSE-NETWORKS, US
5	886	3464.0	0.03%	1	3464	SBH-IX-SERVICES, FR
6	29469	3303.0	0.03%	1	3303	GTU Khmelnitsky, Ukraine, UA
7	51015	2781.5	0.05%	2	5563	IP-ANDREEV-AS, RU
8	216140	2704.5	0.05%	2	5409	SPLF, RU
9	7821	2698.9	0.39%	17	45882	ZAYO-MN, US
10	207169	2627.0	0.02%	1	2627	BRAYDEN-NET, US
11	47358	2347.0	0.02%	1	2347	PIROGOVCENTER-AS, RU
12	137258	2321.0	0.02%	1	2321	SHIRAZI-AS-AP Shirazi Investments Pvt Ltd., PK
13	36719	2210.0	0.02%	1	2210	MMU-53-AS-NET, US
14	136867	2104.3	0.05%	3	6313	IDNIC-TELKOMTELSTRA-AS-ID PT. Teltranet Aplikasi Solusi Telkomtelstra, ID
15	211613	2079.5	0.04%	2	4159	MSS_LLC, RU
16	399240	1983.5	0.03%	11	3967	BLUE-RIDGE-INTERNET, US
17	210239	1969.0	0.02%	1	1969	ZNIIS-AS, RU
18	265566	1927.5	0.07%	4	7710	TELESISTEMAS PENINSULARES SA DE CV, MX
19	269518	1866.8	0.08%	5	9334	INFIBRA TELECOM SERVICOS DE COMUNICACAO E TECNOLOG, BR
20	49668	1815.0	0.02%	1	1815	ASPECT-AS, RU
21	13341	1786.2	0.06%	5	7145	TRANQUILITY, US
22	48780	1766.2	0.08%	5	8831	OLTELECOM-AS, RU
23	60484	1761.5	0.03%	2	3523	ASEVER-AS, RU
24	64469	1750.0	0.02%	1	1750	UNICOM-AS, RU
25	147117	1727.5	0.03%	2	3455	IDNIC-BLACKFAOS-AS-ID PT Blackfaos Data Nusantara, ID
26	51477	1573.0	0.07%	5	7865	TKANDALAKSHA-AS, RU
27	39294	1546.0	0.09%	7	10822	LADA-MEDIA-AS, RU
28	52852	1524.8	0.07%	5	7624	Last Mile Telecom, BR
29	29329	1524.4	0.09%	7	10671	NODEX-AS NODEX Fiber Optic Network Saint-Petersburg, Russia, RU
30	209313	1520.0	0.01%	1	1520	INSVC-AS, RU
31	44030	1517.0	0.03%	2	3034	OTRADNOE-AS, RU
32	49426	1508.5	0.05%	6	6034	LINTECSAS1-AS, RU
33	201952	1498.0	0.06%	5	7490	ATEL-RYBINSK, RU
34	201469	1488.3	0.04%	3	4465	VINKU-AS, RU
35	50947	1466.0	0.01%	1	1466	GNRU-AS, RU
36	38261	1463.0	0.01%	1	1463	PUNJLLOYD-AS PUNJ LLOYD LIMITED, IN
37	25048	1449.6	0.06%	5	7248	DSNET DSNet, GB
38	30877	1439.0	0.04%	3	4317	ARIADNA, RU
39	266195	1432.0	0.04%	3	4296	ERIC BG COMUNICACAO MULTIMIDIA - ME, BR
40	196879	1423.0	0.01%	1	1423	VOLKHOVONLINE, RU
41	28657	1419.7	0.04%	3	4259	MD Brasil - Tecnologia da Informacao Ltda, BR
42	56664	1416.5	0.05%	4	5666	ASSIGMA, RU
43	401015	1338.0	0.01%	1	1338	SCIENCE-DMZ-RESEARCH-NETWORK, US
44	12817	1320.0	0.01%	1	1320	GEFOEKOM Wuerzburg, Germany, DE
45	270168	1243.5	0.02%	2	2487	Alejandro Uballe Montoya, MX
46	328516	1199.0	0.01%	1	1199	Premium-Pension-Limited-AS, NG
47	26520	1109.0	0.01%	1	1109	HLITSERVICES, US
48	45720	1078.0	0.02%	2	2156	IDNIC-LPDB-AS-ID Lembaga Pengelola Dana Bergulir, ID
49	13215	1049.2	0.04%	8	5246	CPLUS1-AS, RU
50	33764	1049.0	0.04%
Total		100190.6	2.40%

50 Most active Prefixes for the past 14 days

RANK	PREFIX	UPDs	%	Origin AS -- AS NAME
1	207.167.116.0/22	12136	0.10%	7954 -- IMMENSE-NETWORKS, US
2	202.181.232.0/23	12006	0.10%	7540 -- HKCIX-AS-AP HongKong Commercial Internet Exchange, HK
3	124.195.190.0/24	10969	0.09%	38684 -- CMBDAEJEON-AS-KR CMB Daejeon Broadcasting Co,.Ltd, KR
4	55.74.57.0/24	10647	0.09%	335 -- DNIC-ASBLK-00306-00371, US
5	55.74.56.0/24	10638	0.09%	335 -- DNIC-ASBLK-00306-00371, US
6	130.137.231.0/24	10579	0.09%	16509 -- AMAZON-02, US
7	55.27.217.0/24	10129	0.08%	335 -- DNIC-ASBLK-00306-00371, US
8	55.27.56.0/24	10108	0.08%	335 -- DNIC-ASBLK-00306-00371, US
9	55.67.56.0/24	10091	0.08%	335 -- DNIC-ASBLK-00306-00371, US
10	186.83.117.0/24	8450	0.07%	10620 -- Telmex Colombia S.A., CO
11	130.137.108.0/24	8236	0.07%	16509 -- AMAZON-02, US
12	173.82.125.0/24	8229	0.07%	16509 -- AMAZON-02, US
13	130.137.12.0/24	8109	0.07%	16509 -- AMAZON-02, US
14	130.137.230.0/24	7761	0.06%	16509 -- AMAZON-02, US
15	45.172.92.0/22	7666	0.06%	265566 -- TELESISTEMAS PENINSULARES SA DE CV, MX
16	177.86.122.0/23	7568	0.06%	52852 -- Last Mile Telecom, BR
17	173.82.66.0/24	7382	0.06%	16509 -- AMAZON-02, US
18	130.137.219.0/24	7376	0.06%	16509 -- AMAZON-02, US
19	223.196.29.0/24	7213	0.06%	55644 -- VIL-AS-AP Vodafone Idea Ltd, IN
20	130.137.80.0/24	7140	0.06%	16509 -- AMAZON-02, US
21	199.47.232.0/22	7133	0.06%	13341 -- TRANQUILITY, US
22	130.137.118.0/24	7127	0.06%	8987 -- AWS-GOVCLOUD AWS-GOVCLOUD, IE
23	130.137.79.0/24	7086	0.06%	16509 -- AMAZON-02, US
24	84.205.66.0/24	6909	0.06%	12654 -- RIPE-NCC-RIS-AS Reseaux IP Europeens Network Coordination Centre RIPE NCC, NL
25	193.105.156.0/24	6667	0.06%	8369 -- INTERSVYAZ-AS 38-B, Komsomolsky prospekt, RU
26	173.82.67.0/24	6662	0.06%	16509 -- AMAZON-02, US
27	195.114.122.0/24	6623	0.06%	8369 -- INTERSVYAZ-AS 38-B, Komsomolsky prospekt, RU
28	195.114.123.0/24	6593	0.05%	8369 -- INTERSVYAZ-AS 38-B, Komsomolsky prospekt, RU
29	130.137.89.0/24	6542	0.05%	14618 -- AMAZON-AES, US
30	173.82.63.0/24	6537	0.05%	16509 -- AMAZON-02, US
31	130.137.105.0/24	6478	0.05%	16509 -- AMAZON-02, US
32	130.137.28.0/24	6470	0.05%	16509 -- AMAZON-02, US
33	130.137.127.0/24	6450	0.05%	16509 -- AMAZON-02, US
34	173.82.108.0/24	6446	0.05%	16509 -- AMAZON-02, US
35	130.137.140.0/24	6349	0.05%	16509 -- AMAZON-02, US
36	130.137.26.0/24	6337	0.05%	16509 -- AMAZON-02, US
37	130.137.130.0/24	6332	0.05%	16509 -- AMAZON-02, US
38	173.82.129.0/24	6326	0.05%	16509 -- AMAZON-02, US
39	130.137.90.0/24	6325	0.05%	16509 -- AMAZON-02, US
40	130.137.78.0/24	6324	0.05%	16509 -- AMAZON-02, US
41	130.137.124.0/24	6309	0.05%	16509 -- AMAZON-02, US
42	130.137.150.0/24	6267	0.05%	16509 -- AMAZON-02, US
43	130.137.99.0/24	6263	0.05%	16509 -- AMAZON-02, US
44	103.104.136.0/24	6259	0.05%	136867 -- IDNIC-TELKOMTELSTRA-AS-ID PT. Teltranet Aplikasi Solusi Telkomtelstra, ID
45	130.137.136.0/24	6232	0.05%	16509 -- AMAZON-02, US
46	130.137.47.0/24	6216	0.05%	16509 -- AMAZON-02, US
47	130.137.227.0/24	6189	0.05%	16509 -- AMAZON-02, US
48	130.137.81.0/24	6176	0.05%	16509 -- AMAZON-02, US
49	130.137.86.0/24	6168	0.05%	16509 -- AMAZON-02, US
50	130.137.147.0/24	6157	0.05%	16509 -- AMAZON-02, US
Total		376385	3.07%

14 Day BGP Profile: 26-October-2025 00:00 - 8-November-2025 23:59 (UTC+1000)

Number of BGP Update Messages:	27968616
Number of Prefix Updates:	11661350
Number of Prefix Withdrawals:	350341
Average Prefixes per BGP Update:	0.43
Average BGP Update Messages per second:	23.12
Average Prefix Updates per second:	9.93
Peak BGP Update Message Rate per second:	63448	(02:39:23 Tue, 4-Nov-2025)
Peak Prefix Update Rate per second:	3159	(20:18:44 Thu, 30-Oct-2025)
Peak Prefix Withdraw Rate per second:	33252	(02:37:30 Tue, 4-Nov-2025)
Prefix Count:	1059257
Updated Prefix Count:	851907
Stable Prefix Count:	207350
Origin AS Count:	77582
Updated Origin AS Count:	70304
Stable Origin AS Count:	7278
Unique Path Count:	628610
Updated Path Count:	501676
Stable Path Count:	126934

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.