The BGP Instability Report

The BGP Instability Report is updated daily. This report
was generated on 22 June 2025 06:22 (UTC+1000)

50 Most active ASes for the past 14 days

RANK	ASN	UPDs	%	Prefixes	UPDs/Prefix	AS NAME
1	16509	355814	4.45%	13877	25.64	AMAZON-02, US
2	8151	207253	2.59%	12285	16.87	UNINET, MX
3	25184	111919	1.40%	229	488.73	AFRANET to AS62265 announce AS25184, IR
4	52752	95264	1.19%	28	3402.29	Vegas Telecom Informatica Ltda., BR
5	10620	73115	0.91%	3505	20.86	Telmex Colombia S.A., CO
6	9829	64607	0.81%	1830	35.30	BSNL-NIB National Internet Backbone, IN
7	28135	63622	0.80%	92	691.54	ASSOCIACAO NACIONAL PARA INCLUSAO DIGITAL - ANID, BR
8	58224	59803	0.75%	1182	50.59	TCI, IR
9	203214	58457	0.73%	870	67.19	HULUMTELE, IQ
10	17049	56659	0.71%	64	885.30	MBO-NET, US
11	150706	55064	0.69%	123	447.67	HKZTCL-AS-AP Hong Kong Zhengxing Technology Co., Ltd., HK
12	174	51799	0.65%	4795	10.80	COGENT-174, US
13	4155	50974	0.64%	2828	18.02	USDA-1, US
14	55933	44028	0.55%	680	64.75	CLOUDIE-AS-AP Cloudie Limited, HK
15	44244	42785	0.54%	1323	32.34	IRANCELL-AS, IR
16	647	40373	0.51%	414	97.52	DNIC-ASBLK-00616-00665, US
17	42337	39534	0.49%	683	57.88	RESPINA-AS, IR
18	17794	39414	0.49%	13	3031.85	HTCL-ORANGE-HK-AP Hutchison Telephone Company Limited, HK
19	367	38517	0.48%	2681	14.37	DNIC-ASBLK-00306-00371, US
20	13188	37908	0.47%	1606	23.60	TRIOLAN, UA
21	197207	35112	0.44%	899	39.06	MCCI-AS, IR
22	7552	34239	0.43%	3929	8.71	VIETEL-AS-AP Viettel Group, VN
23	45899	34081	0.43%	3303	10.32	VNPT-AS-VN VNPT Corp, VN
24	63376	31845	0.40%	2	15922.50	TOUCHTONE-CUSTS, US
25	5371	31300	0.39%	315	99.37	DNIC-ASBLK-05120-05376, US
26	263069	30862	0.39%	11	2805.64	BRT Comercio de Produtos de Informatica LTDA, BR
27	4538	30277	0.38%	4956	6.11	ERX-CERNET-BKB China Education and Research Network Center, CN
28	20473	29809	0.37%	1343	22.20	AS-VULTR, US
29	36914	29483	0.37%	582	50.66	KENET-AS, KE
30	25454	27624	0.35%	49	563.76	ASN-OMD-FNO Orange Moldova Fixed Network Autonomous System, MD
31	24863	26112	0.33%	1637	15.95	LINKdotNET-AS, EG
32	11830	25913	0.32%	1992	13.01	Instituto Costarricense de Electricidad y Telecom., CR
33	19429	25052	0.31%	701	35.74	ETB - Colombia, CO
34	23673	24057	0.30%	136	176.89	ONLINE-AS Cogetel Online, Cambodia, ISP, KH
35	36903	23542	0.29%	1250	18.83	MT-MPLS, MA
36	8369	23272	0.29%	61	381.51	INTERSVYAZ-AS 38-B, Komsomolsky prospekt, RU
37	265566	23079	0.29%	5	4615.80	TELESISTEMAS PENINSULARES SA DE CV, MX
38	11664	22887	0.29%	1212	18.88	Techtel LMDS Comunicaciones Interactivas S.A., AR
39	264036	22129	0.28%	7	3161.29	CRM SERVICOS DE INTERNET LTDA, BR
40	24835	21544	0.27%	1821	11.83	RAYA-AS, EG
41	34615	20682	0.26%	2	10341.00	UNIVERSAL-EXPORTS Universal Exports, CH
42	209181	20557	0.26%	44	467.20	ZENEX5IVE-NL, GB
43	29465	20527	0.26%	568	36.14	VCG-AS, NG
44	28657	20329	0.25%	2	10164.50	MD Brasil - Tecnologia da Informacao Ltda, BR
45	29256	19993	0.25%	437	45.75	INT-PDN-STE-AS STE PDN Internal AS, SY
46	9304	19358	0.24%	933	20.75	HUTCHISON-AS-AP HGC Global Communications Limited, HK
47	43766	18829	0.24%	536	35.13	MTC-KSA-AS, SA
48	37294	18765	0.23%	116	161.77	TNM, MW
49	138071	18624	0.23%	1	18624.00	IDNIC-PEMPROV-KALTENG-AS-ID PEMERINTAH PROVINSI KALIMANTAN TENGAH, ID
50	8452	17797	0.22%	1647	10.81	TE-AS TE-AS, EG
Total		2334589	29.21%

50 Most active ASes for the past 14 days

RANK	ASN	UPDs/Prefix	%	Prefixes	UPDs	AS NAME
1	138071	18624.0	0.23%	1	18624	IDNIC-PEMPROV-KALTENG-AS-ID PEMERINTAH PROVINSI KALIMANTAN TENGAH, ID
2	63376	15922.5	0.40%	2	31845	TOUCHTONE-CUSTS, US
3	17794	13138.0	0.49%	13	39414	HTCL-ORANGE-HK-AP Hutchison Telephone Company Limited, HK
4	34615	10341.0	0.26%	2	20682	UNIVERSAL-EXPORTS Universal Exports, CH
5	28657	10164.5	0.25%	2	20329	MD Brasil - Tecnologia da Informacao Ltda, BR
6	7954	9996.0	0.13%	3	9996	IMMENSE-NETWORKS, US
7	51408	6762.0	0.08%	1	6762	SIRIUS-AS, RU
8	265389	5432.0	0.07%	1	5432	PAY USE MULTIMIDIA LTDA, BR
9	396950	4909.0	0.06%	1	4909	COMSTBARTH-AS, FR
10	265566	4615.8	0.29%	5	23079	TELESISTEMAS PENINSULARES SA DE CV, MX
11	15570	4497.0	0.06%	18	4497	INAP-LON Internap European Autonomous System, GB
12	263069	3857.8	0.39%	11	30862	BRT Comercio de Produtos de Informatica LTDA, BR
13	52752	3664.0	1.19%	28	95264	Vegas Telecom Informatica Ltda., BR
14	149038	3530.0	0.09%	2	7060	UCGCL-AS-AP UNIQUE COMM GROUP COMPANY LIMITED, MM
15	397656	3390.0	0.04%	1	3390	CHI01-US-CENTRIEN-COM, US
16	213439	3304.0	0.04%	1	3304	GLS-HUNGARY, HU
17	886	3197.0	0.04%	1	3197	SBH-IX-SERVICES, FR
18	264036	3161.3	0.28%	7	22129	CRM SERVICOS DE INTERNET LTDA, BR
19	395565	2835.0	0.04%	7	2835	MIEMX, US
20	2603	2648.0	0.03%	11	2648	NORDUNET, DK
21	265953	2488.5	0.12%	4	9954	INNOVA TECNOLOGIA E SERVICOS LTDA., BR
22	32685	2426.0	0.03%	1	2426	AEG-VISION, US
23	271084	2404.0	0.12%	4	9616	TRYMNET PROVEDOR, BR
24	212631	2401.0	0.03%	1	2401	AVAKATAN, IR
25	271482	2373.2	0.12%	5	9493	MEGA TELECOM FIBRA, BR
26	399240	2242.0	0.08%	10	6726	BLUE-RIDGE-INTERNET, US
27	136867	2089.3	0.08%	3	6268	IDNIC-TELKOMTELSTRA-AS-ID PT. Teltranet Aplikasi Solusi Telkomtelstra, ID
28	263234	1919.0	0.02%	1	1919	SECRETARIA DE ESTADO EN EL DESPACHO DE FINANZAS, HN
29	31104	1890.0	0.05%	2	3780	EVACY, FR
30	8987	1867.1	0.19%	95	14937	AWS-GOVCLOUD AWS-GOVCLOUD, IE
31	23013	1806.2	0.18%	8	14450	FORTANIX, US
32	139898	1796.5	0.04%	17	3593	DCL-AS-AP Digitec Communications Limited, PG
33	13341	1767.2	0.09%	5	7069	TRANQUILITY, US
34	56639	1759.0	0.02%	1	1759	LNET-COM-UA-AS, UA
35	214294	1718.7	0.06%	4	5156	NOOBNET, GB
36	137258	1617.0	0.02%	1	1617	SHIRAZI-AS-AP Shirazi Investments Pvt Ltd., PK
37	43206	1596.0	0.02%	1	1596	TNTU-AS, UA
38	131872	1568.0	0.04%	2	3136	IITP-AS-KR IITP, KR
39	36917	1560.9	0.14%	7	10926	ACS, AO
40	208723	1542.0	0.02%	1	1542	VDX-SYSTEMS, GB
41	7540	1483.6	0.15%	118	11869	HKCIX-AS-AP HongKong Commercial Internet Exchange, HK
42	397829	1413.0	0.02%	1	1413	SCC-INET-01, CA
43	273202	1290.5	0.03%	2	2581	ZONALIBRE INGENIERIA S.A.S., CO
44	203377	1266.3	0.05%	3	3799	FIBERNET-TEKNOLOJI-LTD, TR
45	328509	1223.8	0.08%	5	6119	SpeedNet-Servicos, AO
46	131578	1189.0	0.01%	1	1189	BFSUNET Beijing Foreign Studies University, CN
47	16200	1151.0	0.01%	1	1151	BAHARNET, GR
48	44243	1120.5	0.03%	2	2241	SHOOKA, IR
49	139494	1102.0	0.01%	1	1102	MHSBPL-AS-IN Market-hub Stock Broking Private Limited, IN
50	139955	1059.5	0.08%
Total		185119.7	6.40%

50 Most active Prefixes for the past 14 days

RANK	PREFIX	UPDs	%	Origin AS -- AS NAME
1	140.174.37.0/24	31844	0.38%	63376 -- TOUCHTONE-CUSTS, US
2	168.0.128.0/22	30800	0.37%	263069 -- BRT Comercio de Produtos de Informatica LTDA, BR
3	177.46.36.0/24	30591	0.37%	28135 -- ASSOCIACAO NACIONAL PARA INCLUSAO DIGITAL - ANID, BR
4	177.46.39.0/24	30215	0.36%	28135 -- ASSOCIACAO NACIONAL PARA INCLUSAO DIGITAL - ANID, BR
5	77.89.192.0/22	27270	0.33%	25454 -- ASN-OMD-FNO Orange Moldova Fixed Network Autonomous System, MD
6	38.224.214.0/24	23555	0.28%	174 -- COGENT-174, US
7	45.172.92.0/22	23041	0.28%	265566 -- TELESISTEMAS PENINSULARES SA DE CV, MX
8	124.248.160.0/19	21963	0.26%	23673 -- ONLINE-AS Cogetel Online, Cambodia, ISP, KH
9	138.99.97.0/24	20288	0.24%	28657 -- MD Brasil - Tecnologia da Informacao Ltda, BR
10	188.213.84.0/23	19053	0.23%	20473 -- AS-VULTR, US
11	103.123.24.0/23	18624	0.22%	138071 -- IDNIC-PEMPROV-KALTENG-AS-ID PEMERINTAH PROVINSI KALIMANTAN TENGAH, ID
12	189.89.81.0/24	15799	0.19%	262749 -- Andries & Cia Ltda, BR
13	181.233.80.0/22	15121	0.18%	268314 -- EWERTON DA SILVA LOPES TELECOMUNICACOES, BR 271482 -- MEGA TELECOM FIBRA, BR
14	23.128.20.0/24	14403	0.17%	23013 -- FORTANIX, US
15	189.76.64.0/22	13646	0.16%	52752 -- Vegas Telecom Informatica Ltda., BR
16	189.76.65.0/24	13624	0.16%	52752 -- Vegas Telecom Informatica Ltda., BR
17	189.76.66.0/23	13582	0.16%	52752 -- Vegas Telecom Informatica Ltda., BR
18	189.76.67.0/24	13577	0.16%	52752 -- Vegas Telecom Informatica Ltda., BR
19	189.76.64.0/23	13566	0.16%	52752 -- Vegas Telecom Informatica Ltda., BR
20	189.76.64.0/24	13542	0.16%	52752 -- Vegas Telecom Informatica Ltda., BR
21	189.76.66.0/24	13464	0.16%	52752 -- Vegas Telecom Informatica Ltda., BR
22	130.137.231.0/24	13196	0.16%	16509 -- AMAZON-02, US
23	202.45.88.0/24	13163	0.16%	17794 -- HTCL-ORANGE-HK-AP Hutchison Telephone Company Limited, HK
24	203.145.78.0/24	13129	0.16%	17794 -- HTCL-ORANGE-HK-AP Hutchison Telephone Company Limited, HK
25	203.145.74.0/24	13122	0.16%	17794 -- HTCL-ORANGE-HK-AP Hutchison Telephone Company Limited, HK
26	124.195.190.0/24	12132	0.15%	38684 -- CMBDAEJEON-AS-KR CMB Daejeon Broadcasting Co,.Ltd, KR
27	202.181.232.0/23	11861	0.14%	7540 -- HKCIX-AS-AP HongKong Commercial Internet Exchange, HK
28	192.109.37.0/24	10349	0.12%	34615 -- UNIVERSAL-EXPORTS Universal Exports, CH
29	192.109.38.0/24	10333	0.12%	34615 -- UNIVERSAL-EXPORTS Universal Exports, CH
30	130.137.108.0/24	10279	0.12%	16509 -- AMAZON-02, US
31	130.137.12.0/24	10128	0.12%	16509 -- AMAZON-02, US
32	207.167.116.0/22	9996	0.12%	7954 -- IMMENSE-NETWORKS, US
33	164.163.52.0/22	9837	0.12%	265953 -- INNOVA TECNOLOGIA E SERVICOS LTDA., BR
34	179.48.37.0/24	9555	0.11%	271084 -- TRYMNET PROVEDOR, BR
35	84.205.66.0/24	9204	0.11%	12654 -- RIPE-NCC-RIS-AS Reseaux IP Europeens Network Coordination Centre RIPE NCC, NL
36	130.137.227.0/24	8634	0.10%	16509 -- AMAZON-02, US
37	130.137.111.0/24	8466	0.10%	16509 -- AMAZON-02, US
38	130.137.105.0/24	8410	0.10%	16509 -- AMAZON-02, US
39	186.83.117.0/24	8384	0.10%	10620 -- Telmex Colombia S.A., CO
40	195.114.123.0/24	8367	0.10%	8369 -- INTERSVYAZ-AS 38-B, Komsomolsky prospekt, RU
41	130.137.140.0/24	8342	0.10%	16509 -- AMAZON-02, US
42	130.137.127.0/24	8334	0.10%	16509 -- AMAZON-02, US
43	130.137.130.0/24	8315	0.10%	16509 -- AMAZON-02, US
44	130.137.99.0/24	8264	0.10%	16509 -- AMAZON-02, US
45	130.137.124.0/24	8252	0.10%	16509 -- AMAZON-02, US
46	173.82.108.0/24	8231	0.10%	16509 -- AMAZON-02, US
47	130.137.81.0/24	8199	0.10%	16509 -- AMAZON-02, US
48	130.137.28.0/24	8165	0.10%	16509 -- AMAZON-02, US
49	130.137.136.0/24	8163	0.10%	16509 -- AMAZON-02, US
50	173.82.67.0/24	8133	0.10%	16509 -- AMAZON-02, US
Total		698511	8.35%

14 Day BGP Profile: 8-June-2025 00:00 - 21-June-2025 23:59 (UTC+1000)

Number of BGP Update Messages:	21809918
Number of Prefix Updates:	7993891
Number of Prefix Withdrawals:	348972
Average Prefixes per BGP Update:	0.38
Average BGP Update Messages per second:	18.03
Average Prefix Updates per second:	6.90
Peak BGP Update Message Rate per second:	39053	(07:30:51 Wed, 18-Jun-2025)
Peak Prefix Update Rate per second:	5746	(07:30:50 Wed, 18-Jun-2025)
Peak Prefix Withdraw Rate per second:	11216	(20:26:07 Wed, 11-Jun-2025)
Prefix Count:	1036016
Updated Prefix Count:	668553
Stable Prefix Count:	367463
Origin AS Count:	77017
Updated Origin AS Count:	60320
Stable Origin AS Count:	16697
Unique Path Count:	560626
Updated Path Count:	425699
Stable Path Count:	134927

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.