The BGP Instability Report

The BGP Instability Report is updated daily. This report
was generated on 25 June 2025 06:21 (UTC+1000)

50 Most active ASes for the past 14 days

RANK	ASN	UPDs	%	Prefixes	UPDs/Prefix	AS NAME
1	16509	353648	4.75%	13851	25.53	AMAZON-02, US
2	8151	248924	3.34%	12294	20.25	UNINET, MX
3	25184	113948	1.53%	230	495.43	AFRANET to AS62265 announce AS25184, IR
4	52752	95198	1.28%	28	3399.93	Vegas Telecom Informatica Ltda., BR
5	10620	78339	1.05%	3505	22.35	Telmex Colombia S.A., CO
6	203214	70312	0.94%	872	80.63	HULUMTELE, IQ
7	28135	63589	0.85%	92	691.18	ASSOCIACAO NACIONAL PARA INCLUSAO DIGITAL - ANID, BR
8	9829	60148	0.81%	1830	32.87	BSNL-NIB National Internet Backbone, IN
9	17049	55517	0.75%	64	867.45	MBO-NET, US
10	150706	55164	0.74%	120	459.70	HKZTCL-AS-AP Hong Kong Zhengxing Technology Co., Ltd., HK
11	55933	47535	0.64%	697	68.20	CLOUDIE-AS-AP Cloudie Limited, HK
12	4155	45132	0.61%	2838	15.90	USDA-1, US
13	367	43032	0.58%	2678	16.07	DNIC-ASBLK-00306-00371, US
14	17794	38760	0.52%	13	2981.54	HTCL-ORANGE-HK-AP Hutchison Telephone Company Limited, HK
15	174	36851	0.49%	3748	9.83	COGENT-174, US
16	647	36754	0.49%	414	88.78	DNIC-ASBLK-00616-00665, US
17	58224	36154	0.49%	1174	30.80	TCI, IR
18	44244	35517	0.48%	1356	26.19	IRANCELL-AS, IR
19	19429	32484	0.44%	701	46.34	ETB - Colombia, CO
20	63376	32102	0.43%	2	16051.00	TOUCHTONE-CUSTS, US
21	5371	31945	0.43%	314	101.74	DNIC-ASBLK-05120-05376, US
22	263069	30778	0.41%	11	2798.00	BRT Comercio de Produtos de Informatica LTDA, BR
23	7552	29739	0.40%	3929	7.57	VIETEL-AS-AP Viettel Group, VN
24	4538	29322	0.39%	4956	5.92	ERX-CERNET-BKB China Education and Research Network Center, CN
25	36903	28299	0.38%	1250	22.64	MT-MPLS, MA
26	36914	27605	0.37%	583	47.35	KENET-AS, KE
27	25454	27289	0.37%	49	556.92	ASN-OMD-FNO Orange Moldova Fixed Network Autonomous System, MD
28	20473	27107	0.36%	1338	20.26	AS-VULTR, US
29	24863	26576	0.36%	1638	16.22	LINKdotNET-AS, EG
30	197207	25775	0.35%	1551	16.62	MCCI-AS, IR
31	34615	24278	0.33%	2	12139.00	UNIVERSAL-EXPORTS Universal Exports, CH
32	42337	23709	0.32%	698	33.97	RESPINA-AS, IR
33	265566	23497	0.32%	5	4699.40	TELESISTEMAS PENINSULARES SA DE CV, MX
34	23673	23090	0.31%	136	169.78	ONLINE-AS Cogetel Online, Cambodia, ISP, KH
35	8369	23077	0.31%	61	378.31	INTERSVYAZ-AS 38-B, Komsomolsky prospekt, RU
36	264036	22129	0.30%	7	3161.29	CRM SERVICOS DE INTERNET LTDA, BR
37	24835	22121	0.30%	1822	12.14	RAYA-AS, EG
38	11830	21279	0.29%	1991	10.69	Instituto Costarricense de Electricidad y Telecom., CR
39	29465	20344	0.27%	568	35.82	VCG-AS, NG
40	28657	20104	0.27%	2	10052.00	MD Brasil - Tecnologia da Informacao Ltda, BR
41	9304	19527	0.26%	990	19.72	HUTCHISON-AS-AP HGC Global Communications Limited, HK
42	29060	18653	0.25%	33	565.24	ALKIM-AS Ankara Turkiye, TR
43	23013	18454	0.25%	8	2306.75	FORTANIX, US
44	138071	18382	0.25%	1	18382.00	IDNIC-PEMPROV-KALTENG-AS-ID PEMERINTAH PROVINSI KALIMANTAN TENGAH, ID
45	7029	18351	0.25%	2081	8.82	WINDSTREAM, US
46	8551	17893	0.24%	1630	10.98	BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbone, IL
47	12479	17788	0.24%	7755	2.29	UNI2-AS, ES
48	26611	17388	0.23%	200	86.94	COMUNICACION CELULAR S.A. COMCEL S.A., CO
49	8048	16725	0.22%	439	38.10	CANTV Servicios, Venezuela, VE
50	45899	16553	0.22%	3306	5.01	VNPT-AS-VN VNPT Corp, VN
Total		2266885	30.46%

50 Most active ASes for the past 14 days

RANK	ASN	UPDs/Prefix	%	Prefixes	UPDs	AS NAME
1	138071	18382.0	0.25%	1	18382	IDNIC-PEMPROV-KALTENG-AS-ID PEMERINTAH PROVINSI KALIMANTAN TENGAH, ID
2	63376	16051.0	0.43%	2	32102	TOUCHTONE-CUSTS, US
3	17794	12920.0	0.52%	13	38760	HTCL-ORANGE-HK-AP Hutchison Telephone Company Limited, HK
4	34615	12139.0	0.33%	2	24278	UNIVERSAL-EXPORTS Universal Exports, CH
5	28657	10052.0	0.27%	2	20104	MD Brasil - Tecnologia da Informacao Ltda, BR
6	7954	9829.0	0.13%	3	9829	IMMENSE-NETWORKS, US
7	51408	6605.0	0.09%	1	6605	SIRIUS-AS, RU
8	149038	5157.5	0.14%	2	10315	UCGCL-AS-AP UNIQUE COMM GROUP COMPANY LIMITED, MM
9	265389	5070.0	0.07%	1	5070	PAY USE MULTIMIDIA LTDA, BR
10	396950	4732.0	0.06%	1	4732	COMSTBARTH-AS, FR
11	265566	4699.4	0.32%	5	23497	TELESISTEMAS PENINSULARES SA DE CV, MX
12	263069	3847.2	0.41%	11	30778	BRT Comercio de Produtos de Informatica LTDA, BR
13	52752	3661.5	1.28%	28	95198	Vegas Telecom Informatica Ltda., BR
14	399240	3397.5	0.09%	10	6795	BLUE-RIDGE-INTERNET, US
15	264036	3161.3	0.30%	7	22129	CRM SERVICOS DE INTERNET LTDA, BR
16	886	3081.0	0.04%	1	3081	SBH-IX-SERVICES, FR
17	212631	2809.0	0.04%	1	2809	AVAKATAN, IR
18	23013	2636.3	0.25%	8	18454	FORTANIX, US
19	2603	2622.0	0.04%	11	2622	NORDUNET, DK
20	265953	2534.0	0.14%	4	10136	INNOVA TECNOLOGIA E SERVICOS LTDA., BR
21	271084	2513.5	0.14%	4	10054	TRYMNET PROVEDOR, BR
22	15570	2444.0	0.03%	18	2444	INAP-LON Internap European Autonomous System, GB
23	32685	2275.0	0.03%	1	2275	AEG-VISION, US
24	271482	2248.0	0.15%	5	11240	MEGA TELECOM FIBRA, BR
25	31104	2147.5	0.06%	2	4295	EVACY, FR
26	8987	2133.7	0.20%	95	14936	AWS-GOVCLOUD AWS-GOVCLOUD, IE
27	136867	2088.7	0.08%	3	6266	IDNIC-TELKOMTELSTRA-AS-ID PT. Teltranet Aplikasi Solusi Telkomtelstra, ID
28	43206	1956.0	0.03%	1	1956	TNTU-AS, UA
29	139898	1825.5	0.05%	17	3651	DCL-AS-AP Digitec Communications Limited, PG
30	56639	1824.0	0.02%	1	1824	LNET-COM-UA-AS, UA
31	13341	1773.0	0.10%	5	7092	TRANQUILITY, US
32	214294	1675.5	0.09%	4	6702	NOOBNET, GB
33	137258	1590.0	0.02%	1	1590	SHIRAZI-AS-AP Shirazi Investments Pvt Ltd., PK
34	208723	1504.0	0.02%	1	1504	VDX-SYSTEMS, GB
35	131872	1503.0	0.04%	2	3006	IITP-AS-KR IITP, KR
36	7540	1474.0	0.16%	118	11792	HKCIX-AS-AP HongKong Commercial Internet Exchange, HK
37	16200	1406.0	0.02%	1	1406	BAHARNET, GR
38	44243	1317.5	0.04%	2	2635	SHOOKA, IR
39	270168	1224.0	0.03%	2	2448	Alejandro Uballe Montoya, MX
40	61185	1165.0	0.02%	1	1165	INTELSOFT-WIFI-AS, KZ
41	131578	1111.0	0.01%	1	1111	BFSUNET Beijing Foreign Studies University, CN
42	139494	1101.0	0.01%	1	1101	MHSBPL-AS-IN Market-hub Stock Broking Private Limited, IN
43	204318	1096.0	0.01%	1	1096	BGPTOOLS-QA, GB
44	28668	1014.0	0.03%	34	2028	Desktop Sigmanet Comunicacao Multimidia SA, BR
45	141234	984.0	0.01%	1	984	BDTPL-AS-AP Big Data Technologies Pvt Ltd, PK
46	273202	925.5	0.02%	2	1851	ZONALIBRE INGENIERIA S.A.S., CO
47	36917	905.3	0.09%	7	6337	ACS, AO
48	17049	867.5	0.75%	64	55517	MBO-NET, US
49	15008	863.4	0.12%	10	8634	AISG, US
50	37272	863.2	0.06%
Total		179205.5	7.64%

50 Most active Prefixes for the past 14 days

RANK	PREFIX	UPDs	%	Origin AS -- AS NAME
1	140.174.37.0/24	32097	0.41%	63376 -- TOUCHTONE-CUSTS, US
2	177.46.39.0/24	30897	0.40%	28135 -- ASSOCIACAO NACIONAL PARA INCLUSAO DIGITAL - ANID, BR
3	168.0.128.0/22	30738	0.39%	263069 -- BRT Comercio de Produtos de Informatica LTDA, BR
4	177.46.36.0/24	30631	0.39%	28135 -- ASSOCIACAO NACIONAL PARA INCLUSAO DIGITAL - ANID, BR
5	77.89.192.0/22	26877	0.34%	25454 -- ASN-OMD-FNO Orange Moldova Fixed Network Autonomous System, MD
6	45.172.92.0/22	23443	0.30%	265566 -- TELESISTEMAS PENINSULARES SA DE CV, MX
7	38.224.214.0/24	23367	0.30%	174 -- COGENT-174, US
8	124.248.160.0/19	21722	0.28%	23673 -- ONLINE-AS Cogetel Online, Cambodia, ISP, KH
9	138.99.97.0/24	20073	0.26%	28657 -- MD Brasil - Tecnologia da Informacao Ltda, BR
10	181.233.80.0/22	19135	0.25%	268314 -- EWERTON DA SILVA LOPES TELECOMUNICACOES, BR 271482 -- MEGA TELECOM FIBRA, BR
11	23.128.20.0/24	18417	0.24%	23013 -- FORTANIX, US
12	103.123.24.0/23	18382	0.24%	138071 -- IDNIC-PEMPROV-KALTENG-AS-ID PEMERINTAH PROVINSI KALIMANTAN TENGAH, ID
13	188.213.84.0/23	17264	0.22%	20473 -- AS-VULTR, US
14	189.76.64.0/22	13638	0.17%	52752 -- Vegas Telecom Informatica Ltda., BR
15	189.76.65.0/24	13616	0.17%	52752 -- Vegas Telecom Informatica Ltda., BR
16	189.76.66.0/23	13574	0.17%	52752 -- Vegas Telecom Informatica Ltda., BR
17	189.76.67.0/24	13569	0.17%	52752 -- Vegas Telecom Informatica Ltda., BR
18	189.76.64.0/23	13558	0.17%	52752 -- Vegas Telecom Informatica Ltda., BR
19	189.76.64.0/24	13534	0.17%	52752 -- Vegas Telecom Informatica Ltda., BR
20	189.76.66.0/24	13456	0.17%	52752 -- Vegas Telecom Informatica Ltda., BR
21	130.137.231.0/24	13165	0.17%	16509 -- AMAZON-02, US
22	202.45.88.0/24	12948	0.17%	17794 -- HTCL-ORANGE-HK-AP Hutchison Telephone Company Limited, HK
23	203.145.78.0/24	12918	0.17%	17794 -- HTCL-ORANGE-HK-AP Hutchison Telephone Company Limited, HK
24	203.145.74.0/24	12894	0.17%	17794 -- HTCL-ORANGE-HK-AP Hutchison Telephone Company Limited, HK
25	124.195.190.0/24	12470	0.16%	38684 -- CMBDAEJEON-AS-KR CMB Daejeon Broadcasting Co,.Ltd, KR
26	192.109.37.0/24	12146	0.16%	34615 -- UNIVERSAL-EXPORTS Universal Exports, CH
27	192.109.38.0/24	12132	0.16%	34615 -- UNIVERSAL-EXPORTS Universal Exports, CH
28	202.181.232.0/23	11784	0.15%	7540 -- HKCIX-AS-AP HongKong Commercial Internet Exchange, HK
29	189.89.81.0/24	11449	0.15%	262749 -- Andries & Cia Ltda, BR
30	186.83.117.0/24	11214	0.14%	10620 -- Telmex Colombia S.A., CO
31	130.137.108.0/24	10268	0.13%	16509 -- AMAZON-02, US
32	130.137.12.0/24	10234	0.13%	16509 -- AMAZON-02, US
33	164.163.52.0/22	9991	0.13%	265953 -- INNOVA TECNOLOGIA E SERVICOS LTDA., BR
34	179.48.37.0/24	9967	0.13%	271084 -- TRYMNET PROVEDOR, BR
35	207.167.116.0/22	9829	0.13%	7954 -- IMMENSE-NETWORKS, US
36	84.205.66.0/24	9456	0.12%	12654 -- RIPE-NCC-RIS-AS Reseaux IP Europeens Network Coordination Centre RIPE NCC, NL
37	130.137.227.0/24	8706	0.11%	16509 -- AMAZON-02, US
38	130.137.111.0/24	8470	0.11%	16509 -- AMAZON-02, US
39	130.137.127.0/24	8433	0.11%	16509 -- AMAZON-02, US
40	130.137.124.0/24	8387	0.11%	16509 -- AMAZON-02, US
41	130.137.105.0/24	8386	0.11%	16509 -- AMAZON-02, US
42	130.137.130.0/24	8372	0.11%	16509 -- AMAZON-02, US
43	130.137.28.0/24	8296	0.11%	16509 -- AMAZON-02, US
44	173.82.108.0/24	8272	0.11%	16509 -- AMAZON-02, US
45	130.137.99.0/24	8254	0.11%	16509 -- AMAZON-02, US
46	130.137.140.0/24	8247	0.11%	16509 -- AMAZON-02, US
47	130.137.26.0/24	8205	0.11%	16509 -- AMAZON-02, US
48	173.82.67.0/24	8193	0.11%	16509 -- AMAZON-02, US
49	130.137.136.0/24	8171	0.10%	16509 -- AMAZON-02, US
50	130.137.81.0/24	8165	0.10%	16509 -- AMAZON-02, US
Total		707410	9.10%

14 Day BGP Profile: 11-June-2025 00:00 - 24-June-2025 23:59 (UTC+1000)

Number of BGP Update Messages:	21871359
Number of Prefix Updates:	7444697
Number of Prefix Withdrawals:	354325
Average Prefixes per BGP Update:	0.36
Average BGP Update Messages per second:	18.08
Average Prefix Updates per second:	6.45
Peak BGP Update Message Rate per second:	39053	(07:30:51 Wed, 18-Jun-2025)
Peak Prefix Update Rate per second:	5927	(07:30:50 Wed, 18-Jun-2025)
Peak Prefix Withdraw Rate per second:	10849	(20:05:12 Fri, 20-Jun-2025)
Prefix Count:	1036330
Updated Prefix Count:	688918
Stable Prefix Count:	347412
Origin AS Count:	77055
Updated Origin AS Count:	61289
Stable Origin AS Count:	15766
Unique Path Count:	559955
Updated Path Count:	427246
Stable Path Count:	132709

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.