The BGP Instability Report

The BGP Instability Report is updated daily. This report
was generated on 26 October 2025 06:21 (UTC+1000)

50 Most active ASes for the past 14 days

RANK	ASN	UPDs	%	Prefixes	UPDs/Prefix	AS NAME
1	8151	280314	3.45%	12532	22.37	UNINET, MX
2	16509	271994	3.35%	14579	18.66	AMAZON-02, US
3	4155	113777	1.40%	3154	36.07	USDA-1, US
4	31163	69490	0.86%	237	293.21	MF-KAVKAZ-AS, RU
5	400619	65354	0.80%	376	173.81	AROSS-AS, US
6	36903	62057	0.76%	1250	49.65	MT-MPLS, MA
7	335	54797	0.67%	222	246.83	DNIC-ASBLK-00306-00371, US
8	13335	53979	0.66%	2383	22.65	CLOUDFLARENET, US
9	647	45282	0.56%	438	103.38	DNIC-ASBLK-00616-00665, US
10	42337	45252	0.56%	687	65.87	RESPINA-AS, IR
11	47331	45032	0.55%	8435	5.34	TTNET, TR
12	31133	40051	0.49%	452	88.61	MF-MGSM-AS PJSC MegaFon, RU
13	39891	39254	0.48%	4833	8.12	ALJAWWALSTC-AS, SA
14	10620	39027	0.48%	3480	11.21	Telmex Colombia S.A., CO
15	58224	37612	0.46%	1160	32.42	TCI, IR
16	7459	34897	0.43%	1510	23.11	GRANDECOM-AS1, US
17	3302	32093	0.40%	54	594.31	AS-IRIDEOS, IT
18	36914	31117	0.38%	587	53.01	KENET-AS, KE
19	212477	30894	0.38%	140	220.67	ROYALE-AS, NL
20	8452	30374	0.37%	1704	17.83	TE-AS TE-AS, EG
21	31208	30161	0.37%	50	603.22	MF-CENTER-AS, RU
22	7552	28752	0.35%	3989	7.21	VIETEL-AS-AP Viettel Group, VN
23	6147	28424	0.35%	1282	22.17	Telefonica del Peru S.A.A., PE
24	197207	28361	0.35%	806	35.19	MCCI-AS, IR
25	9829	27058	0.33%	1869	14.48	BSNL-NIB National Internet Backbone, IN
26	24835	26079	0.32%	1931	13.51	RAYA-AS, EG
27	37294	25356	0.31%	136	186.44	TNM, MW
28	28840	24051	0.30%	321	74.93	TATTELECOM-AS, RU
29	5972	23728	0.29%	1431	16.58	DNIC-ASBLK-05800-06055, US
30	13188	23514	0.29%	1607	14.63	TRIOLAN, UA
31	262287	23377	0.29%	323	72.37	Latitude.sh LTDA, BR
32	18101	23353	0.29%	685	34.09	RELIANCE-COMMUNICATIONS-IN Reliance Communications Ltd.DAKC MUMBAI, IN
33	5371	22333	0.28%	279	80.05	DNIC-ASBLK-05120-05376, US
34	11830	21037	0.26%	1991	10.57	Instituto Costarricense de Electricidad y Telecom., CR
35	56476	21023	0.26%	33	637.06	ASCITYLINE, RU
36	19429	20028	0.25%	705	28.41	ETB - Colombia, CO
37	24757	19837	0.24%	476	41.67	EthioNet-AS, ET
38	8369	19702	0.24%	57	345.65	INTERSVYAZ-AS 38-B, Komsomolsky prospekt, RU
39	21299	19435	0.24%	744	26.12	KAR-TEL-AS Almaty, Republic of Kazakhstan, KZ
40	41704	19234	0.24%	74	259.92	OGS-AS, RU
41	367	18466	0.23%	1940	9.52	DNIC-ASBLK-00306-00371, US
42	12714	17099	0.21%	346	49.42	MEGAFON-AS Moscow, Russia, RU
43	45899	16849	0.21%	3329	5.06	VNPT-AS-VN VNPT Corp, VN
44	21565	16281	0.20%	449	36.26	AS21565, US
45	37069	15754	0.19%	1085	14.52	MOBINIL, EG
46	26615	15750	0.19%	1029	15.31	TIM SA, BR
47	136255	15542	0.19%	125	124.34	TIMCL-AS-AP Telecom International Myanmar Co., Ltd, MM
48	15964	15339	0.19%	159	96.47	CAMNET-AS, CM
49	28573	15187	0.19%	1506	10.08	Claro NXT Telecomunicacoes Ltda, BR
50	9304	14835	0.18%	2767	5.36	HUTCHISON-AS-AP HGC Global Communications Limited, HK
Total		2058592	25.32%

50 Most active ASes for the past 14 days

RANK	ASN	UPDs/Prefix	%	Prefixes	UPDs	AS NAME
1	7954	11980.0	0.15%	3	11980	IMMENSE-NETWORKS, US
2	149038	5882.0	0.14%	2	11764	UCGCL-AS-AP UNIQUE COMM GROUP COMPANY LIMITED, MM
3	396950	5319.0	0.07%	1	5319	COMSTBARTH-AS, FR
4	212049	3777.0	0.05%	1	3777	NEBEL, DE
5	29469	3543.0	0.04%	1	3543	GTU Khmelnitsky, Ukraine, UA
6	400552	3381.0	0.08%	2	6762	ODYACAD-ASN, US
7	886	3324.0	0.04%	1	3324	SBH-IX-SERVICES, FR
8	25048	2741.0	0.14%	6	10964	DSNET DSNet, GB
9	399240	2377.5	0.06%	11	4755	BLUE-RIDGE-INTERNET, US
10	211613	2211.5	0.05%	2	4423	MSS_LLC, RU
11	51015	2098.5	0.05%	2	4197	IP-ANDREEV-AS, RU
12	137258	2013.0	0.02%	1	2013	SHIRAZI-AS-AP Shirazi Investments Pvt Ltd., PK
13	25596	1979.5	0.05%	8	3959	CAMBRIUM-AS, NL
14	265566	1961.0	0.10%	4	7844	TELESISTEMAS PENINSULARES SA DE CV, MX
15	21570	1856.0	0.02%	94	1856	ACI-1, CA
16	64469	1760.0	0.02%	1	1760	UNICOM-AS, RU
17	49668	1741.0	0.02%	1	1741	ASPECT-AS, RU
18	60484	1731.5	0.04%	2	3463	ASEVER-AS, RU
19	28657	1637.3	0.06%	3	4912	MD Brasil - Tecnologia da Informacao Ltda, BR
20	51477	1616.0	0.02%	5	1616	TKANDALAKSHA-AS, RU
21	51525	1558.0	0.02%	3	1558	ASITLTD, RU
22	64439	1549.5	0.08%	10	6198	ROCKETCLOUD RocketCloud.ru, RU
23	52852	1469.0	0.09%	5	7345	Last Mile Telecom, BR
24	13341	1418.2	0.09%	5	7091	TRANQUILITY, US
25	56664	1406.5	0.07%	4	5626	ASSIGMA, RU
26	48780	1382.4	0.09%	5	6912	OLTELECOM-AS, RU
27	49426	1373.0	0.03%	6	2746	LINTECSAS1-AS, RU
28	270168	1259.0	0.03%	2	2518	Alejandro Uballe Montoya, MX
29	54746	1220.0	0.03%	4	2440	KLAZO-ASN, US
30	205610	1154.0	0.03%	2	2308	JAMESITS Jamesits Networks , CN
31	399182	1098.0	0.01%	1	1098	FICTIONPRESS, US
32	401476	1061.7	0.13%	10	10617	SCNL-1-0001, US
33	40138	1038.4	0.14%	12	11422	MDNET, US
34	204318	1011.0	0.01%	1	1011	BGPTOOLS-QA, GB
35	31213	1001.0	0.07%	36	6006	MF-NWGSM-AS, RU
36	43599	997.0	0.01%	8	997	NWEWN-AS, GB
37	42353	958.5	0.02%	15	1917	SIMWOOD Simwood eSMS Limited, GB
38	328448	920.0	0.01%	1	920	Direction-Generale-Des-Impots-AS, BF
39	12770	903.0	0.02%	2	1806	KHB1, RU
40	266823	898.0	0.04%	4	3592	DOLPHIN TELECOM DEL PERU S.A.C., PE
41	45720	873.0	0.01%	2	873	IDNIC-LPDB-AS-ID Lembaga Pengelola Dana Bergulir, ID
42	328410	866.0	0.01%	1	866	FrogFoot-AS, ZA
43	12817	839.0	0.01%	1	839	GEFOEKOM Wuerzburg, Germany, DE
44	57285	822.0	0.01%	1	822	UKRINFOSYSTEMS-AS, UA
45	266207	794.9	0.09%	11	7154	Onitel Telecomunicacoes, BR
46	201983	776.1	0.08%	29	6209	ANSLUTEN-AS, SE
47	139955	767.2	0.06%	6	4603	DATAPRIME-AS-ID PT DATA PRIMA SOLUSINDO, ID
48	47333	756.0	0.01%	1	756	HIGHLINK-SPB-AS, RU
49	269518	749.6	0.05%	5	3748	INFIBRA TELECOM SERVICOS DE COMUNICACAO E TECNOLOG, BR
50	8987	747.9	0.16%
Total		94597.7	2.73%

50 Most active Prefixes for the past 14 days

RANK	PREFIX	UPDs	%	Origin AS -- AS NAME
1	207.167.116.0/22	11980	0.14%	7954 -- IMMENSE-NETWORKS, US
2	202.181.232.0/23	11959	0.14%	7540 -- HKCIX-AS-AP HongKong Commercial Internet Exchange, HK
3	124.195.190.0/24	11231	0.13%	38684 -- CMBDAEJEON-AS-KR CMB Daejeon Broadcasting Co,.Ltd, KR
4	55.74.57.0/24	10773	0.13%	335 -- DNIC-ASBLK-00306-00371, US
5	55.74.56.0/24	10754	0.13%	335 -- DNIC-ASBLK-00306-00371, US
6	130.137.231.0/24	10448	0.12%	16509 -- AMAZON-02, US
7	55.27.217.0/24	10390	0.12%	335 -- DNIC-ASBLK-00306-00371, US
8	55.27.56.0/24	10384	0.12%	335 -- DNIC-ASBLK-00306-00371, US
9	55.67.56.0/24	10381	0.12%	335 -- DNIC-ASBLK-00306-00371, US
10	186.83.117.0/24	8598	0.10%	10620 -- Telmex Colombia S.A., CO
11	173.82.125.0/24	8090	0.10%	16509 -- AMAZON-02, US
12	130.137.108.0/24	7936	0.09%	16509 -- AMAZON-02, US
13	130.137.12.0/24	7869	0.09%	16509 -- AMAZON-02, US
14	45.172.92.0/22	7820	0.09%	265566 -- TELESISTEMAS PENINSULARES SA DE CV, MX
15	130.137.230.0/24	7541	0.09%	16509 -- AMAZON-02, US
16	177.86.122.0/23	7289	0.09%	52852 -- Last Mile Telecom, BR
17	130.137.219.0/24	7192	0.08%	16509 -- AMAZON-02, US
18	177.54.152.0/22	7104	0.08%	262287 -- Latitude.sh LTDA, BR
19	177.54.156.0/22	7097	0.08%	262287 -- Latitude.sh LTDA, BR
20	199.47.232.0/22	7065	0.08%	13341 -- TRANQUILITY, US
21	130.137.80.0/24	7026	0.08%	16509 -- AMAZON-02, US
22	188.213.84.0/23	7013	0.08%	20473 -- AS-VULTR, US
23	173.82.66.0/24	6994	0.08%	16509 -- AMAZON-02, US
24	130.137.118.0/24	6773	0.08%	8987 -- AWS-GOVCLOUD AWS-GOVCLOUD, IE
25	74.200.129.0/24	6751	0.08%	400552 -- ODYACAD-ASN, US
26	84.205.66.0/24	6674	0.08%	12654 -- RIPE-NCC-RIS-AS Reseaux IP Europeens Network Coordination Centre RIPE NCC, NL
27	173.82.63.0/24	6649	0.08%	16509 -- AMAZON-02, US
28	130.137.79.0/24	6583	0.08%	16509 -- AMAZON-02, US
29	195.114.123.0/24	6572	0.08%	8369 -- INTERSVYAZ-AS 38-B, Komsomolsky prospekt, RU
30	173.82.108.0/24	6571	0.08%	16509 -- AMAZON-02, US
31	173.82.67.0/24	6570	0.08%	16509 -- AMAZON-02, US
32	195.114.122.0/24	6555	0.08%	8369 -- INTERSVYAZ-AS 38-B, Komsomolsky prospekt, RU
33	193.105.156.0/24	6451	0.08%	8369 -- INTERSVYAZ-AS 38-B, Komsomolsky prospekt, RU
34	130.137.105.0/24	6332	0.07%	16509 -- AMAZON-02, US
35	130.137.26.0/24	6312	0.07%	16509 -- AMAZON-02, US
36	130.137.127.0/24	6277	0.07%	16509 -- AMAZON-02, US
37	130.137.99.0/24	6240	0.07%	16509 -- AMAZON-02, US
38	130.137.140.0/24	6239	0.07%	16509 -- AMAZON-02, US
39	130.137.130.0/24	6234	0.07%	16509 -- AMAZON-02, US
40	130.137.124.0/24	6217	0.07%	16509 -- AMAZON-02, US
41	130.137.28.0/24	6211	0.07%	16509 -- AMAZON-02, US
42	130.137.90.0/24	6199	0.07%	16509 -- AMAZON-02, US
43	130.137.227.0/24	6098	0.07%	16509 -- AMAZON-02, US
44	130.137.78.0/24	6065	0.07%	16509 -- AMAZON-02, US
45	130.137.89.0/24	6049	0.07%	14618 -- AMAZON-AES, US
46	130.137.16.0/24	6037	0.07%	16509 -- AMAZON-02, US
47	130.137.111.0/24	6018	0.07%	16509 -- AMAZON-02, US
48	130.137.150.0/24	5997	0.07%	16509 -- AMAZON-02, US
49	177.46.39.0/24	5986	0.07%	28135 -- ASSOCIACAO NACIONAL PARA INCLUSAO DIGITAL - ANID, BR
50	130.137.47.0/24	5973	0.07%	16509 -- AMAZON-02, US
Total		373567	4.35%

14 Day BGP Profile: 12-October-2025 00:00 - 25-October-2025 23:59 (UTC+1000)

Number of BGP Update Messages:	20209742
Number of Prefix Updates:	8120598
Number of Prefix Withdrawals:	347416
Average Prefixes per BGP Update:	0.42
Average BGP Update Messages per second:	16.71
Average Prefix Updates per second:	7.00
Peak BGP Update Message Rate per second:	52857	(02:02:30 Sun, 12-Oct-2025)
Peak Prefix Update Rate per second:	2374	(20:06:10 Tue, 14-Oct-2025)
Peak Prefix Withdraw Rate per second:	36756	(02:02:30 Sun, 12-Oct-2025)
Prefix Count:	1064232
Updated Prefix Count:	656732
Stable Prefix Count:	407500
Origin AS Count:	77514
Updated Origin AS Count:	59983
Stable Origin AS Count:	17531
Unique Path Count:	583745
Updated Path Count:	430320
Stable Path Count:	153425

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.