The BGP Instability Report

The BGP Instability Report is updated daily. This report
was generated on 23 November 2025 06:21 (UTC+1000)

50 Most active ASes for the past 14 days

RANK	ASN	UPDs	%	Prefixes	UPDs/Prefix	AS NAME
1	8151	320624	3.86%	12661	25.32	UNINET, MX
2	16509	309415	3.73%	14563	21.25	AMAZON-02, US
3	5413	300544	3.62%	98	3066.78	WAVENET-AS5413, GB
4	42337	105524	1.27%	693	152.27	RESPINA-AS, IR
5	18101	99063	1.19%	688	143.99	RELIANCE-COMMUNICATIONS-IN Reliance Communications Ltd.DAKC MUMBAI, IN
6	7821	73460	0.88%	17	4321.18	ZAYO-MN, US
7	36903	67571	0.81%	1250	54.06	MT-MPLS, MA
8	39891	61443	0.74%	4833	12.71	ALJAWWALSTC-AS, SA
9	335	61312	0.74%	227	270.10	DNIC-ASBLK-00306-00371, US
10	15766	50849	0.61%	16	3178.06	DOMICILIUM-AS, IM
11	647	44984	0.54%	426	105.60	DNIC-ASBLK-00616-00665, US
12	45899	44600	0.54%	3325	13.41	VNPT-AS-VN VNPT Corp, VN
13	197207	43568	0.52%	1034	42.14	MCCI-AS, IR
14	210218	42812	0.52%	216	198.20	OPENFIBER-ITALY, IT
15	10620	38890	0.47%	3458	11.25	Telmex Colombia S.A., CO
16	58224	38066	0.46%	1173	32.45	TCI, IR
17	13188	37471	0.45%	1608	23.30	TRIOLAN, UA
18	7552	35196	0.42%	4022	8.75	VIETEL-AS-AP Viettel Group, VN
19	36914	34882	0.42%	582	59.93	KENET-AS, KE
20	6147	34442	0.41%	1280	26.91	Telefonica del Peru S.A.A., PE
21	31148	34030	0.41%	556	61.21	FREENET_LLC, UA
22	11776	33976	0.41%	1909	17.80	ATLANTICBB-JOHNSTOWN, US
23	22884	30957	0.37%	1063	29.12	TOTAL PLAY TELECOMUNICACIONES SA DE CV, MX
24	24835	27964	0.34%	1987	14.07	RAYA-AS, EG
25	25184	27393	0.33%	227	120.67	AFRANET to AS62265 announce AS25184, IR
26	37294	26276	0.32%	132	199.06	TNM, MW
27	21003	24968	0.30%	160	156.05	GPTC-AS, LY
28	37233	23599	0.28%	46	513.02	ORANGE-NIGER, NE
29	367	23013	0.28%	1955	11.77	DNIC-ASBLK-00306-00371, US
30	56	22969	0.28%	933	24.62	DNIC-AS-00056, US
31	11830	21548	0.26%	1992	10.82	Instituto Costarricense de Electricidad y Telecom., CR
32	9829	20534	0.25%	1863	11.02	BSNL-NIB National Internet Backbone, IN
33	3302	20243	0.24%	54	374.87	AS-IRIDEOS, IT
34	8369	20198	0.24%	59	342.34	INTERSVYAZ-AS 38-B, Komsomolsky prospekt, RU
35	44244	20105	0.24%	707	28.44	IRANCELL-AS, IR
36	34984	18922	0.23%	2420	7.82	TELLCOM-AS, TR
37	13335	17948	0.22%	2407	7.46	CLOUDFLARENET, US
38	29256	17930	0.22%	351	51.08	INT-PDN-STE-AS STE PDN Internal AS, SY
39	17488	17898	0.22%	1274	14.05	HATHWAY-NET-AP Hathway IP Over Cable Internet, IN
40	5371	17599	0.21%	279	63.08	DNIC-ASBLK-05120-05376, US
41	36352	17120	0.21%	2865	5.98	AS-COLOCROSSING, US
42	8452	17112	0.21%	1704	10.04	TE-AS TE-AS, EG
43	12479	16261	0.20%	7339	2.22	UNI2-AS, ES
44	136255	15994	0.19%	126	126.94	TIMCL-AS-AP Telecom International Myanmar Co., Ltd, MM
45	4755	15487	0.19%	2197	7.05	TATACOMM-AS TATA Communications formerly VSNL is Leading ISP, IN
46	58895	15366	0.19%	178	86.33	EBONE1-PK Ebone Network PVT. Limited, PK
47	11664	15121	0.18%	1353	11.18	Techtel LMDS Comunicaciones Interactivas S.A., AR
48	29571	14609	0.18%	1166	12.53	ORANGE-COTE-IVOIRE, CI
49	36935	14376	0.17%	1119	12.85	Vodafone-, EG
50	55410	14062	0.17%	1157	12.15	VIL-AS-AP Vodafone Idea Ltd, IN
Total		2468294	29.74%

50 Most active ASes for the past 14 days

RANK	ASN	UPDs/Prefix	%	Prefixes	UPDs	AS NAME
1	7954	11878.0	0.14%	3	11878	IMMENSE-NETWORKS, US
2	208907	7176.0	0.09%	1	7176	RISING-BRIDGE-TECHNOLOGY, GB
3	56644	4934.0	0.06%	2	4934	SYNFS-AS, GB
4	396950	4679.0	0.06%	1	4679	COMSTBARTH-AS, FR
5	13995	4643.0	0.06%	1	4643	PDRINET1, US
6	27892	4616.0	0.06%	1	4616	Universidad del Zulia, VE
7	7821	4321.2	0.88%	17	73460	ZAYO-MN, US
8	29469	3443.0	0.04%	1	3443	GTU Khmelnitsky, Ukraine, UA
9	52852	3365.5	0.08%	5	6731	Last Mile Telecom, BR
10	15766	3178.1	0.61%	16	50849	DOMICILIUM-AS, IM
11	5413	3066.8	3.62%	98	300544	WAVENET-AS5413, GB
12	149038	2645.5	0.06%	2	5291	UCGCL-AS-AP UNIQUE COMM GROUP COMPANY LIMITED, MM
13	886	2355.0	0.03%	1	2355	SBH-IX-SERVICES, FR
14	137258	2350.0	0.03%	1	2350	SHIRAZI-AS-AP Shirazi Investments Pvt Ltd., PK
15	136867	2154.7	0.08%	3	6464	IDNIC-TELKOMTELSTRA-AS-ID PT. Teltranet Aplikasi Solusi Telkomtelstra, ID
16	265566	2128.7	0.08%	4	6386	TELESISTEMAS PENINSULARES SA DE CV, MX
17	33764	2088.0	0.05%	3	4176	AFRINIC-ZA-JNB-AS, MU
18	25876	2054.0	0.02%	29	2054	LADWP-INTERNET, US
19	45720	1997.0	0.02%	2	1997	IDNIC-LPDB-AS-ID Lembaga Pengelola Dana Bergulir, ID
20	211613	1916.5	0.05%	2	3833	MSS_LLC, RU
21	36719	1853.0	0.02%	1	1853	MMU-53-AS-NET, US
22	13341	1838.0	0.09%	5	7352	TRANQUILITY, US
23	269518	1808.2	0.11%	5	9041	INFIBRA TELECOM SERVICOS DE COMUNICACAO E TECNOLOG, BR
24	25048	1535.2	0.09%	5	7676	DSNET DSNet, GB
25	28657	1484.3	0.05%	3	4453	MD Brasil - Tecnologia da Informacao Ltda, BR
26	133872	1385.5	0.03%	2	2771	ERNSTYOUNG-AS-AP-IN EYGBS India Pvt Ltd, IN
27	40138	1286.1	0.15%	12	12861	MDNET, US
28	328811	1279.0	0.02%	1	1279	FCB-AS, MW
29	205605	1272.0	0.02%	1	1272	ID-PROCESSING, AM
30	395327	1253.0	0.02%	1	1253	BAYFEDCU, US
31	140552	1157.0	0.04%	3	3471	CBBANK-AS-AP Co-operative Bank Public Company Limited, MM
32	270168	1139.5	0.03%	2	2279	Alejandro Uballe Montoya, MX
33	29874	1133.0	0.01%	4	1133	CAMBRI-AS1, US
34	197320	1113.0	0.01%	1	1113	NPA-AS, GB
35	8613	1112.7	0.04%	3	3338	WAVENET-AS8613, GB
36	8791	1058.3	0.04%	3	3175	FOEHN, GB
37	329304	1054.0	0.01%	1	1054	THE-TRUSTEES-OF-THE-TANZANIA-NATIONAL-PARKS, TZ
38	265606	987.8	0.10%	15	7902	DIGY NETWORKS, MX
39	23000	955.0	0.01%	5	955	WESCOM, US
40	149614	916.0	0.01%	1	916	TSIIPL-AS-IN TRANSACTION SOLUTIONS INTERNATIONAL INDIA PRIVATE LIMITED, IN
41	14409	904.0	0.02%	3	1808	MCSI, US
42	136501	901.5	0.09%	20	7212	HKBNES-AS-AP HKBN Enterprise Solutions HK Limited, HK
43	12654	896.2	0.16%	22	13443	RIPE-NCC-RIS-AS Reseaux IP Europeens Network Coordination Centre RIPE NCC, NL
44	26954	872.3	0.03%	3	2617	NETZR, US
45	139955	823.2	0.06%	6	4939	DATAPRIME-AS-ID PT DATA PRIMA SOLUSINDO, ID
46	138578	817.0	0.05%	5	4085	EWU-AS-AP East West University, BD
47	264534	814.0	0.01%	1	814	SPOT PROMOCOES, EVENTOS E MERCHAND LTDA, BR
48	18301	786.0	0.01%	1	786	DSNET-AS-KR ILINKKOREA, KR
49	43684	782.7	0.03%	5	2348	OTK-AS, RU
50	49565	766.0	0.01%
Total		108973.5	7.49%

50 Most active Prefixes for the past 14 days

RANK	PREFIX	UPDs	%	Origin AS -- AS NAME
1	207.167.116.0/22	11878	0.14%	7954 -- IMMENSE-NETWORKS, US
2	55.74.56.0/24	11262	0.13%	335 -- DNIC-ASBLK-00306-00371, US
3	55.74.57.0/24	11219	0.13%	335 -- DNIC-ASBLK-00306-00371, US
4	130.137.231.0/24	10827	0.13%	16509 -- AMAZON-02, US
5	55.67.56.0/24	10660	0.12%	335 -- DNIC-ASBLK-00306-00371, US
6	55.27.217.0/24	10657	0.12%	335 -- DNIC-ASBLK-00306-00371, US
7	55.27.56.0/24	10644	0.12%	335 -- DNIC-ASBLK-00306-00371, US
8	124.195.190.0/24	10611	0.12%	38684 -- CMBDAEJEON-AS-KR CMB Daejeon Broadcasting Co,.Ltd, KR
9	202.181.232.0/23	9004	0.10%	7540 -- HKCIX-AS-AP HongKong Commercial Internet Exchange, HK
10	130.137.108.0/24	8620	0.10%	16509 -- AMAZON-02, US
11	173.82.125.0/24	8549	0.10%	16509 -- AMAZON-02, US
12	130.137.12.0/24	8492	0.10%	16509 -- AMAZON-02, US
13	186.83.117.0/24	7984	0.09%	10620 -- Telmex Colombia S.A., CO
14	130.137.230.0/24	7742	0.09%	16509 -- AMAZON-02, US
15	130.137.219.0/24	7379	0.09%	16509 -- AMAZON-02, US
16	130.137.80.0/24	7374	0.09%	16509 -- AMAZON-02, US
17	173.82.66.0/24	7349	0.09%	16509 -- AMAZON-02, US
18	130.137.79.0/24	7325	0.08%	16509 -- AMAZON-02, US
19	199.47.232.0/22	7313	0.08%	13341 -- TRANQUILITY, US
20	130.137.118.0/24	7241	0.08%	8987 -- AWS-GOVCLOUD AWS-GOVCLOUD, IE
21	44.31.52.0/24	7179	0.08%	208453 -- SWEHOST-NET, SE 208907 -- RISING-BRIDGE-TECHNOLOGY, GB
22	84.205.66.0/24	7164	0.08%	12654 -- RIPE-NCC-RIS-AS Reseaux IP Europeens Network Coordination Centre RIPE NCC, NL
23	45.83.76.0/22	6964	0.08%	5413 -- WAVENET-AS5413, GB
24	45.83.76.0/24	6962	0.08%	5413 -- WAVENET-AS5413, GB
25	45.132.148.0/23	6949	0.08%	5413 -- WAVENET-AS5413, GB
26	46.31.71.0/24	6927	0.08%	5413 -- WAVENET-AS5413, GB
27	37.252.60.0/22	6862	0.08%	5413 -- WAVENET-AS5413, GB
28	62.44.64.0/19	6790	0.08%	5413 -- WAVENET-AS5413, GB
29	62.105.64.0/18	6789	0.08%	5413 -- WAVENET-AS5413, GB
30	62.69.32.0/19	6785	0.08%	5413 -- WAVENET-AS5413, GB
31	62.72.128.0/19	6785	0.08%	5413 -- WAVENET-AS5413, GB
32	5.252.36.0/22	6781	0.08%	5413 -- WAVENET-AS5413, GB
33	62.232.0.0/16	6778	0.08%	5413 -- WAVENET-AS5413, GB
34	195.114.122.0/24	6763	0.08%	8369 -- INTERSVYAZ-AS 38-B, Komsomolsky prospekt, RU
35	5.22.224.0/21	6736	0.08%	5413 -- WAVENET-AS5413, GB
36	173.82.67.0/24	6727	0.08%	16509 -- AMAZON-02, US
37	177.86.122.0/23	6724	0.08%	52852 -- Last Mile Telecom, BR
38	195.114.123.0/24	6707	0.08%	8369 -- INTERSVYAZ-AS 38-B, Komsomolsky prospekt, RU
39	173.82.108.0/24	6699	0.08%	16509 -- AMAZON-02, US
40	193.105.156.0/24	6601	0.08%	8369 -- INTERSVYAZ-AS 38-B, Komsomolsky prospekt, RU
41	130.137.89.0/24	6577	0.08%	14618 -- AMAZON-AES, US
42	130.137.127.0/24	6543	0.08%	16509 -- AMAZON-02, US
43	173.82.63.0/24	6531	0.08%	16509 -- AMAZON-02, US
44	130.137.130.0/24	6501	0.08%	16509 -- AMAZON-02, US
45	130.137.28.0/24	6485	0.08%	16509 -- AMAZON-02, US
46	130.137.90.0/24	6480	0.08%	16509 -- AMAZON-02, US
47	130.137.124.0/24	6478	0.07%	16509 -- AMAZON-02, US
48	130.137.78.0/24	6464	0.07%	16509 -- AMAZON-02, US
49	103.104.136.0/24	6453	0.07%	136867 -- IDNIC-TELKOMTELSTRA-AS-ID PT. Teltranet Aplikasi Solusi Telkomtelstra, ID
50	130.137.26.0/24	6423	0.07%	16509 -- AMAZON-02, US
Total		383737	4.46%

14 Day BGP Profile: 9-November-2025 00:00 - 22-November-2025 23:59 (UTC+1000)

Number of BGP Update Messages:	21096348
Number of Prefix Updates:	8301662
Number of Prefix Withdrawals:	338284
Average Prefixes per BGP Update:	0.41
Average BGP Update Messages per second:	17.44
Average Prefix Updates per second:	7.14
Peak BGP Update Message Rate per second:	37840	(06:58:41 Mon, 10-Nov-2025)
Peak Prefix Update Rate per second:	802	(05:02:29 Sun, 16-Nov-2025)
Peak Prefix Withdraw Rate per second:	26631	(05:08:02 Thu, 20-Nov-2025)
Prefix Count:	1057465
Updated Prefix Count:	649756
Stable Prefix Count:	407709
Origin AS Count:	77596
Updated Origin AS Count:	58080
Stable Origin AS Count:	19516
Unique Path Count:	586606
Updated Path Count:	430211
Stable Path Count:	156395

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.