The BGP Instability Report

The BGP Instability Report is updated daily. This report
was generated on 19 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	406733	4.91%	12648	32.16	UNINET, MX
2	16509	293047	3.54%	14520	20.18	AMAZON-02, US
3	5413	245245	2.96%	98	2502.50	WAVENET-AS5413, GB
4	42337	91473	1.11%	694	131.81	RESPINA-AS, IR
5	7821	71673	0.87%	17	4216.06	ZAYO-MN, US
6	36903	68082	0.82%	1250	54.47	MT-MPLS, MA
7	335	57077	0.69%	226	252.55	DNIC-ASBLK-00306-00371, US
8	31133	48682	0.59%	470	103.58	MF-MGSM-AS PJSC MegaFon, RU
9	197207	44473	0.54%	989	44.97	MCCI-AS, IR
10	58224	44456	0.54%	1165	38.16	TCI, IR
11	15766	42304	0.51%	16	2644.00	DOMICILIUM-AS, IM
12	647	38158	0.46%	433	88.12	DNIC-ASBLK-00616-00665, US
13	21003	37544	0.45%	160	234.65	GPTC-AS, LY
14	6147	35975	0.43%	1280	28.11	Telefonica del Peru S.A.A., PE
15	13188	34545	0.42%	1608	21.48	TRIOLAN, UA
16	37294	33892	0.41%	132	256.76	TNM, MW
17	41704	32538	0.39%	76	428.13	OGS-AS, RU
18	7552	31655	0.38%	4013	7.89	VIETEL-AS-AP Viettel Group, VN
19	18101	31599	0.38%	687	46.00	RELIANCE-COMMUNICATIONS-IN Reliance Communications Ltd.DAKC MUMBAI, IN
20	10620	31331	0.38%	3458	9.06	Telmex Colombia S.A., CO
21	36914	31183	0.38%	582	53.58	KENET-AS, KE
22	28840	30672	0.37%	328	93.51	TATTELECOM-AS, RU
23	39891	28617	0.35%	4833	5.92	ALJAWWALSTC-AS, SA
24	45899	26878	0.32%	3326	8.08	VNPT-AS-VN VNPT Corp, VN
25	18403	26233	0.32%	4583	5.72	FPT-AS-AP FPT Telecom Company, VN
26	6079	25930	0.31%	1559	16.63	RCN-AS, US
27	3302	25483	0.31%	54	471.91	AS-IRIDEOS, IT
28	31148	25381	0.31%	556	45.65	FREENET_LLC, UA
29	367	24681	0.30%	1955	12.62	DNIC-ASBLK-00306-00371, US
30	25184	23794	0.29%	228	104.36	AFRANET to AS62265 announce AS25184, IR
31	29256	23551	0.28%	348	67.68	INT-PDN-STE-AS STE PDN Internal AS, SY
32	9829	23312	0.28%	1861	12.53	BSNL-NIB National Internet Backbone, IN
33	11830	22614	0.27%	1992	11.35	Instituto Costarricense de Electricidad y Telecom., CR
34	22884	22446	0.27%	1065	21.08	TOTAL PLAY TELECOMUNICACIONES SA DE CV, MX
35	24835	22260	0.27%	1994	11.16	RAYA-AS, EG
36	56	21866	0.26%	927	23.59	DNIC-AS-00056, US
37	44244	21358	0.26%	666	32.07	IRANCELL-AS, IR
38	12714	20920	0.25%	341	61.35	MEGAFON-AS Moscow, Russia, RU
39	8369	20164	0.24%	83	242.94	INTERSVYAZ-AS 38-B, Komsomolsky prospekt, RU
40	55410	20068	0.24%	1152	17.42	VIL-AS-AP Vodafone Idea Ltd, IN
41	29571	19957	0.24%	1191	16.76	ORANGE-COTE-IVOIRE, CI
42	5371	19945	0.24%	289	69.01	DNIC-ASBLK-05120-05376, US
43	17488	19585	0.24%	1274	15.37	HATHWAY-NET-AP Hathway IP Over Cable Internet, IN
44	136255	19317	0.23%	126	153.31	TIMCL-AS-AP Telecom International Myanmar Co., Ltd, MM
45	4780	18510	0.22%	1042	17.76	SEEDNET Digital United Inc., TW
46	11664	18481	0.22%	1352	13.67	Techtel LMDS Comunicaciones Interactivas S.A., AR
47	37233	18159	0.22%	46	394.76	ORANGE-NIGER, NE
48	4755	17732	0.21%	2192	8.09	TATACOMM-AS TATA Communications formerly VSNL is Leading ISP, IN
49	34984	17695	0.21%	2420	7.31	TELLCOM-AS, TR
50	5972	17558	0.21%	1416	12.40	DNIC-ASBLK-05800-06055, US
Total		2394832	28.90%

50 Most active ASes for the past 14 days

RANK	ASN	UPDs/Prefix	%	Prefixes	UPDs	AS NAME
1	208907	5602.0	0.07%	1	5602	RISING-BRIDGE-TECHNOLOGY, GB
2	13995	4840.0	0.06%	1	4840	PDRINET1, US
3	396950	4409.0	0.05%	1	4409	COMSTBARTH-AS, FR
4	7821	4216.1	0.87%	17	71673	ZAYO-MN, US
5	56644	4109.0	0.05%	2	4109	SYNFS-AS, GB
6	7954	3954.3	0.14%	3	11863	IMMENSE-NETWORKS, US
7	29469	3396.0	0.04%	1	3396	GTU Khmelnitsky, Ukraine, UA
8	886	2999.0	0.04%	1	2999	SBH-IX-SERVICES, FR
9	329304	2869.0	0.03%	1	2869	THE-TRUSTEES-OF-THE-TANZANIA-NATIONAL-PARKS, TZ
10	40138	2784.5	0.13%	12	11138	MDNET, US
11	149038	2768.5	0.07%	2	5537	UCGCL-AS-AP UNIQUE COMM GROUP COMPANY LIMITED, MM
12	15766	2644.0	0.51%	16	42304	DOMICILIUM-AS, IM
13	133872	2615.5	0.06%	2	5231	ERNSTYOUNG-AS-AP-IN EYGBS India Pvt Ltd, IN
14	137258	2584.0	0.03%	1	2584	SHIRAZI-AS-AP Shirazi Investments Pvt Ltd., PK
15	211613	2565.0	0.06%	2	5130	MSS_LLC, RU
16	5413	2502.5	2.96%	98	245245	WAVENET-AS5413, GB
17	45720	2404.0	0.03%	2	2404	IDNIC-LPDB-AS-ID Lembaga Pengelola Dana Bergulir, ID
18	52852	2306.0	0.08%	5	6918	Last Mile Telecom, BR
19	269518	2154.2	0.13%	5	10771	INFIBRA TELECOM SERVICOS DE COMUNICACAO E TECNOLOG, BR
20	136867	2106.7	0.08%	3	6320	IDNIC-TELKOMTELSTRA-AS-ID PT. Teltranet Aplikasi Solusi Telkomtelstra, ID
21	33764	2093.0	0.05%	3	4186	AFRINIC-ZA-JNB-AS, MU
22	36719	2085.0	0.03%	1	2085	MMU-53-AS-NET, US
23	13341	1805.2	0.09%	5	7221	TRANQUILITY, US
24	265566	1643.8	0.08%	4	6575	TELESISTEMAS PENINSULARES SA DE CV, MX
25	27892	1640.0	0.02%	1	1640	Universidad del Zulia, VE
26	25048	1479.0	0.09%	5	7395	DSNET DSNet, GB
27	140552	1457.7	0.05%	3	4373	CBBANK-AS-AP Co-operative Bank Public Company Limited, MM
28	28657	1442.0	0.05%	3	4326	MD Brasil - Tecnologia da Informacao Ltda, BR
29	23000	1438.0	0.05%	5	4314	WESCOM, US
30	205605	1327.0	0.02%	1	1327	ID-PROCESSING, AM
31	29874	1226.0	0.01%	4	1226	CAMBRI-AS1, US
32	8987	1222.1	0.16%	105	13443	AWS-GOVCLOUD AWS-GOVCLOUD, IE
33	54746	1216.0	0.03%	4	2432	KLAZO-ASN, US
34	197320	1204.0	0.01%	1	1204	NPA-AS, GB
35	8613	1195.3	0.04%	3	3586	WAVENET-AS8613, GB
36	138578	1151.2	0.07%	5	5756	EWU-AS-AP East West University, BD
37	270168	1145.5	0.03%	2	2291	Alejandro Uballe Montoya, MX
38	8791	1066.0	0.04%	3	3198	FOEHN, GB
39	395327	973.0	0.01%	1	973	BAYFEDCU, US
40	12654	945.6	0.16%	22	13238	RIPE-NCC-RIS-AS Reseaux IP Europeens Network Coordination Centre RIPE NCC, NL
41	139955	942.3	0.07%	6	5654	DATAPRIME-AS-ID PT DATA PRIMA SOLUSINDO, ID
42	149614	921.0	0.01%	1	921	TSIIPL-AS-IN TRANSACTION SOLUTIONS INTERNATIONAL INDIA PRIVATE LIMITED, IN
43	38261	901.0	0.01%	1	901	PUNJLLOYD-AS PUNJ LLOYD LIMITED, IN
44	14409	890.5	0.02%	3	1781	MCSI, US
45	51086	884.0	0.02%	5	1768	SCATPLUS-AS, RU
46	136501	882.9	0.09%	20	7063	HKBNES-AS-AP HKBN Enterprise Solutions HK Limited, HK
47	50928	834.0	0.02%	38	1668	SYNTSIB-AS, RU
48	264534	816.0	0.01%	1	816	SPOT PROMOCOES, EVENTOS E MERCHAND LTDA, BR
49	57971	807.0	0.01%	1	807	AS-MS, RU
50	49369	805.0	0.01%
Total		100268.4	6.85%

50 Most active Prefixes for the past 14 days

RANK	PREFIX	UPDs	%	Origin AS -- AS NAME
1	207.167.116.0/22	11859	0.14%	7954 -- IMMENSE-NETWORKS, US
2	202.181.232.0/23	11520	0.13%	7540 -- HKCIX-AS-AP HongKong Commercial Internet Exchange, HK
3	55.74.56.0/24	11314	0.13%	335 -- DNIC-ASBLK-00306-00371, US
4	55.74.57.0/24	11259	0.13%	335 -- DNIC-ASBLK-00306-00371, US
5	130.137.231.0/24	10737	0.12%	16509 -- AMAZON-02, US
6	124.195.190.0/24	10681	0.12%	38684 -- CMBDAEJEON-AS-KR CMB Daejeon Broadcasting Co,.Ltd, KR
7	55.67.56.0/24	10559	0.12%	335 -- DNIC-ASBLK-00306-00371, US
8	55.27.217.0/24	10557	0.12%	335 -- DNIC-ASBLK-00306-00371, US
9	55.27.56.0/24	10553	0.12%	335 -- DNIC-ASBLK-00306-00371, US
10	130.137.108.0/24	8503	0.10%	16509 -- AMAZON-02, US
11	173.82.125.0/24	8464	0.10%	16509 -- AMAZON-02, US
12	130.137.12.0/24	8363	0.10%	16509 -- AMAZON-02, US
13	186.83.117.0/24	8299	0.10%	10620 -- Telmex Colombia S.A., CO
14	130.137.230.0/24	7664	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	7332	0.09%	16509 -- AMAZON-02, US
17	130.137.79.0/24	7330	0.09%	16509 -- AMAZON-02, US
18	173.82.66.0/24	7312	0.08%	16509 -- AMAZON-02, US
19	130.137.118.0/24	7227	0.08%	8987 -- AWS-GOVCLOUD AWS-GOVCLOUD, IE
20	199.47.232.0/22	7197	0.08%	13341 -- TRANQUILITY, US
21	84.205.66.0/24	7117	0.08%	12654 -- RIPE-NCC-RIS-AS Reseaux IP Europeens Network Coordination Centre RIPE NCC, NL
22	177.86.122.0/23	6893	0.08%	52852 -- Last Mile Telecom, BR
23	173.82.67.0/24	6780	0.08%	16509 -- AMAZON-02, US
24	195.114.122.0/24	6656	0.08%	8369 -- INTERSVYAZ-AS 38-B, Komsomolsky prospekt, RU
25	195.114.123.0/24	6642	0.08%	8369 -- INTERSVYAZ-AS 38-B, Komsomolsky prospekt, RU
26	173.82.108.0/24	6630	0.08%	16509 -- AMAZON-02, US
27	193.105.156.0/24	6581	0.08%	8369 -- INTERSVYAZ-AS 38-B, Komsomolsky prospekt, RU
28	130.137.127.0/24	6573	0.08%	16509 -- AMAZON-02, US
29	130.137.28.0/24	6554	0.08%	16509 -- AMAZON-02, US
30	130.137.89.0/24	6549	0.08%	14618 -- AMAZON-AES, US
31	45.172.92.0/22	6527	0.08%	265566 -- TELESISTEMAS PENINSULARES SA DE CV, MX
32	130.137.124.0/24	6487	0.08%	16509 -- AMAZON-02, US
33	173.82.63.0/24	6474	0.08%	16509 -- AMAZON-02, US
34	130.137.78.0/24	6471	0.08%	16509 -- AMAZON-02, US
35	130.137.150.0/24	6453	0.07%	16509 -- AMAZON-02, US
36	130.137.26.0/24	6434	0.07%	16509 -- AMAZON-02, US
37	130.137.130.0/24	6424	0.07%	16509 -- AMAZON-02, US
38	130.137.90.0/24	6409	0.07%	16509 -- AMAZON-02, US
39	5.252.36.0/22	6371	0.07%	5413 -- WAVENET-AS5413, GB
40	5.22.224.0/21	6368	0.07%	5413 -- WAVENET-AS5413, GB
41	130.137.105.0/24	6354	0.07%	16509 -- AMAZON-02, US
42	130.137.140.0/24	6328	0.07%	16509 -- AMAZON-02, US
43	130.137.86.0/24	6321	0.07%	16509 -- AMAZON-02, US
44	173.82.129.0/24	6312	0.07%	16509 -- AMAZON-02, US
45	130.137.85.0/24	6309	0.07%	16509 -- AMAZON-02, US
46	103.104.136.0/24	6298	0.07%	136867 -- IDNIC-TELKOMTELSTRA-AS-ID PT. Teltranet Aplikasi Solusi Telkomtelstra, ID
47	130.137.47.0/24	6293	0.07%	16509 -- AMAZON-02, US
48	130.137.136.0/24	6280	0.07%	16509 -- AMAZON-02, US
49	130.137.147.0/24	6272	0.07%	16509 -- AMAZON-02, US
50	130.137.16.0/24	6265	0.07%	16509 -- AMAZON-02, US
Total		378534	4.37%

14 Day BGP Profile: 5-November-2025 00:00 - 18-November-2025 23:59 (UTC+1000)

Number of BGP Update Messages:	21324808
Number of Prefix Updates:	8277120
Number of Prefix Withdrawals:	342178
Average Prefixes per BGP Update:	0.40
Average BGP Update Messages per second:	17.63
Average Prefix Updates per second:	7.13
Peak BGP Update Message Rate per second:	39329	(03:19:46 Wed, 5-Nov-2025)
Peak Prefix Update Rate per second:	818	(05:02:29 Sun, 16-Nov-2025)
Peak Prefix Withdraw Rate per second:	19446	(15:49:01 Mon, 17-Nov-2025)
Prefix Count:	1056029
Updated Prefix Count:	638504
Stable Prefix Count:	417525
Origin AS Count:	77599
Updated Origin AS Count:	57654
Stable Origin AS Count:	19945
Unique Path Count:	580009
Updated Path Count:	421833
Stable Path Count:	158176

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.