The BGP Instability Report

The BGP Instability Report is updated daily. This report
was generated on 01 July 2025 06:24 (UTC+1000)

50 Most active ASes for the past 14 days

RANK	ASN	UPDs	%	Prefixes	UPDs/Prefix	AS NAME
1	16509	387094	4.03%	13850	27.95	AMAZON-02, US
2	8151	342210	3.56%	12276	27.88	UNINET, MX
3	398101	172065	1.79%	240	716.94	GO-DADDY-COM-LLC, US
4	4155	102818	1.07%	2861	35.94	USDA-1, US
5	25184	102205	1.06%	230	444.37	AFRANET to AS62265 announce AS25184, IR
6	150706	89738	0.93%	156	575.24	HKZTCL-AS-AP Hong Kong Zhengxing Technology Co., Ltd., HK
7	203214	76492	0.80%	866	88.33	HULUMTELE, IQ
8	9829	73107	0.76%	1830	39.95	BSNL-NIB National Internet Backbone, IN
9	28135	64017	0.67%	91	703.48	ASSOCIACAO NACIONAL PARA INCLUSAO DIGITAL - ANID, BR
10	10620	63870	0.66%	3506	18.22	Telmex Colombia S.A., CO
11	26496	54350	0.57%	198	274.49	AS-26496-GO-DADDY-COM-LLC, US
12	17049	53859	0.56%	64	841.55	MBO-NET, US
13	12479	47114	0.49%	7756	6.07	UNI2-AS, ES
14	58224	46875	0.49%	1174	39.93	TCI, IR
15	367	44319	0.46%	2646	16.75	DNIC-ASBLK-00306-00371, US
16	272809	44147	0.46%	237	186.27	THUNDERNET, C.A., VE
17	36903	42138	0.44%	1249	33.74	MT-MPLS, MA
18	647	41338	0.43%	419	98.66	DNIC-ASBLK-00616-00665, US
19	55933	38730	0.40%	716	54.09	CLOUDIE-AS-AP Cloudie Limited, HK
20	13188	37689	0.39%	1606	23.47	TRIOLAN, UA
21	17794	37164	0.39%	13	2858.77	HTCL-ORANGE-HK-AP Hutchison Telephone Company Limited, HK
22	197207	36836	0.38%	1837	20.05	MCCI-AS, IR
23	7552	34896	0.36%	3925	8.89	VIETEL-AS-AP Viettel Group, VN
24	19429	33155	0.34%	701	47.30	ETB - Colombia, CO
25	5371	32117	0.33%	305	105.30	DNIC-ASBLK-05120-05376, US
26	44244	31510	0.33%	1187	26.55	IRANCELL-AS, IR
27	63376	31143	0.32%	2	15571.50	TOUCHTONE-CUSTS, US
28	263069	30716	0.32%	11	2792.36	BRT Comercio de Produtos de Informatica LTDA, BR
29	174	30122	0.31%	3773	7.98	COGENT-174, US
30	52752	28198	0.29%	28	1007.07	Vegas Telecom Informatica Ltda., BR
31	20473	27931	0.29%	1329	21.02	AS-VULTR, US
32	36914	27636	0.29%	583	47.40	KENET-AS, KE
33	27773	27247	0.28%	535	50.93	MILLICOM CABLE EL SALVADOR S.A. DE C.V., SV
34	4538	26848	0.28%	4956	5.42	ERX-CERNET-BKB China Education and Research Network Center, CN
35	25454	26127	0.27%	50	522.54	ASN-OMD-FNO Orange Moldova Fixed Network Autonomous System, MD
36	149038	25653	0.27%	2	12826.50	UCGCL-AS-AP UNIQUE COMM GROUP COMPANY LIMITED, MM
37	34615	25386	0.26%	2	12693.00	UNIVERSAL-EXPORTS Universal Exports, CH
38	23673	24308	0.25%	136	178.74	ONLINE-AS Cogetel Online, Cambodia, ISP, KH
39	28657	23049	0.24%	2	11524.50	MD Brasil - Tecnologia da Informacao Ltda, BR
40	8369	22752	0.24%	61	372.98	INTERSVYAZ-AS 38-B, Komsomolsky prospekt, RU
41	24863	22530	0.23%	1637	13.76	LINKdotNET-AS, EG
42	8551	22378	0.23%	1630	13.73	BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbone, IL
43	42337	22183	0.23%	696	31.87	RESPINA-AS, IR
44	24835	22004	0.23%	1823	12.07	RAYA-AS, EG
45	9304	21226	0.22%	1036	20.49	HUTCHISON-AS-AP HGC Global Communications Limited, HK
46	207990	21137	0.22%	1235	17.11	HR-CUSTOMER, IN
47	29465	21106	0.22%	362	58.30	VCG-AS, NG
48	396982	20786	0.22%	3197	6.50	GOOGLE-CLOUD-PLATFORM, US
49	17885	20167	0.21%	135	149.39	JKTXLNET-AS-AP PT XL Axiata Tbk, ID
50	20940	19965	0.21%	4080	4.89	AKAMAI-ASN1, NL
Total		2720451	28.28%

50 Most active ASes for the past 14 days

RANK	ASN	UPDs/Prefix	%	Prefixes	UPDs	AS NAME
1	138071	16240.0	0.17%	1	16240	IDNIC-PEMPROV-KALTENG-AS-ID PEMERINTAH PROVINSI KALIMANTAN TENGAH, ID
2	63376	15571.5	0.32%	2	31143	TOUCHTONE-CUSTS, US
3	149038	12826.5	0.27%	2	25653	UCGCL-AS-AP UNIQUE COMM GROUP COMPANY LIMITED, MM
4	34615	12693.0	0.26%	2	25386	UNIVERSAL-EXPORTS Universal Exports, CH
5	28657	11524.5	0.24%	2	23049	MD Brasil - Tecnologia da Informacao Ltda, BR
6	51408	6666.0	0.07%	1	6666	SIRIUS-AS, RU
7	396950	4873.0	0.05%	1	4873	COMSTBARTH-AS, FR
8	265566	3947.4	0.21%	5	19737	TELESISTEMAS PENINSULARES SA DE CV, MX
9	7954	3549.3	0.11%	3	10648	IMMENSE-NETWORKS, US
10	265389	3068.0	0.03%	1	3068	PAY USE MULTIMIDIA LTDA, BR
11	886	3029.0	0.03%	1	3029	SBH-IX-SERVICES, FR
12	17794	2858.8	0.39%	13	37164	HTCL-ORANGE-HK-AP Hutchison Telephone Company Limited, HK
13	271482	2832.0	0.15%	5	14160	MEGA TELECOM FIBRA, BR
14	263069	2792.4	0.32%	11	30716	BRT Comercio de Produtos de Informatica LTDA, BR
15	265953	2734.0	0.11%	4	10936	INNOVA TECNOLOGIA E SERVICOS LTDA., BR
16	212631	2578.0	0.03%	1	2578	AVAKATAN, IR
17	271084	2505.5	0.10%	4	10022	TRYMNET PROVEDOR, BR
18	32685	2250.0	0.02%	1	2250	AEG-VISION, US
19	43206	2236.0	0.02%	1	2236	TNTU-AS, UA
20	31104	2165.0	0.05%	2	4330	EVACY, FR
21	136867	2146.3	0.07%	3	6439	IDNIC-TELKOMTELSTRA-AS-ID PT. Teltranet Aplikasi Solusi Telkomtelstra, ID
22	214294	1893.0	0.08%	4	7572	NOOBNET, GB
23	13341	1835.5	0.08%	5	7342	TRANQUILITY, US
24	329312	1740.0	0.02%	1	1740	Manano-Telecommunication-SARL, TD
25	137258	1697.0	0.02%	1	1697	SHIRAZI-AS-AP Shirazi Investments Pvt Ltd., PK
26	209887	1640.0	0.03%	4	3280	BIESSE, IT
27	56639	1519.0	0.02%	1	1519	LNET-COM-UA-AS, UA
28	16200	1463.0	0.02%	1	1463	BAHARNET, GR
29	23013	1414.1	0.12%	8	11313	FORTANIX, US
30	328448	1386.0	0.01%	1	1386	Direction-Generale-Des-Impots-AS, BF
31	141234	1376.0	0.01%	1	1376	BDTPL-AS-AP Big Data Technologies Pvt Ltd, PK
32	327730	1301.0	0.01%	1	1301	PPF, TZ
33	37462	1244.0	0.05%	4	4976	Prestabist, TD
34	270168	1232.5	0.03%	2	2465	Alejandro Uballe Montoya, MX
35	44243	1202.0	0.03%	2	2404	SHOOKA, IR
36	52752	1174.9	0.29%	28	28198	Vegas Telecom Informatica Ltda., BR
37	211306	1172.3	0.17%	14	16412	TREADSTONE-AS, RO
38	329123	1156.0	0.01%	1	1156	RPNL1-AS, NG
39	131872	1151.0	0.02%	2	2302	IITP-AS-KR IITP, KR
40	136103	1119.8	0.05%	4	4479	IDNIC-USM-AS-ID Universitas Semarang, ID
41	131578	1107.0	0.01%	1	1107	BFSUNET Beijing Foreign Studies University, CN
42	61185	1049.0	0.01%	1	1049	INTELSOFT-WIFI-AS, KZ
43	12654	904.3	0.18%	21	17182	RIPE-NCC-RIS-AS Reseaux IP Europeens Network Coordination Centre RIPE NCC, NL
44	204318	895.0	0.01%	1	895	BGPTOOLS-QA, GB
45	267660	890.8	0.05%	5	4454	T & S SERVICO DE COMUNICACAO MULTIMIDIA LTDA, BR
46	17049	868.7	0.56%	64	53859	MBO-NET, US
47	209234	848.0	0.01%	1	848	DATACENTERSRL-AS-SET, IT
48	151632	828.5	0.02%	2	1657	WASN-AS-AP Web and Soft Network, BD
49	208723	825.0	0.01%	1	825	VDX-SYSTEMS, GB
50	141081	816.7	0.03%
Total		154836.3	4.98%

50 Most active Prefixes for the past 14 days

RANK	PREFIX	UPDs	%	Origin AS -- AS NAME
1	177.46.39.0/24	31411	0.31%	28135 -- ASSOCIACAO NACIONAL PARA INCLUSAO DIGITAL - ANID, BR
2	140.174.37.0/24	31135	0.31%	63376 -- TOUCHTONE-CUSTS, US
3	177.46.36.0/24	31126	0.31%	28135 -- ASSOCIACAO NACIONAL PARA INCLUSAO DIGITAL - ANID, BR
4	168.0.128.0/22	30649	0.31%	263069 -- BRT Comercio de Produtos de Informatica LTDA, BR
5	181.233.80.0/22	26574	0.27%	268314 -- EWERTON DA SILVA LOPES TELECOMUNICACOES, BR 271482 -- MEGA TELECOM FIBRA, BR
6	77.89.192.0/22	25392	0.25%	25454 -- ASN-OMD-FNO Orange Moldova Fixed Network Autonomous System, MD
7	138.99.97.0/24	23021	0.23%	28657 -- MD Brasil - Tecnologia da Informacao Ltda, BR
8	124.248.160.0/19	22989	0.23%	23673 -- ONLINE-AS Cogetel Online, Cambodia, ISP, KH
9	45.172.92.0/22	19667	0.20%	265566 -- TELESISTEMAS PENINSULARES SA DE CV, MX
10	38.224.214.0/24	18126	0.18%	174 -- COGENT-174, US
11	188.213.84.0/23	17281	0.17%	20473 -- AS-VULTR, US
12	103.123.24.0/23	16240	0.16%	138071 -- IDNIC-PEMPROV-KALTENG-AS-ID PEMERINTAH PROVINSI KALIMANTAN TENGAH, ID
13	124.195.190.0/24	13727	0.14%	38684 -- CMBDAEJEON-AS-KR CMB Daejeon Broadcasting Co,.Ltd, KR
14	130.137.231.0/24	13130	0.13%	16509 -- AMAZON-02, US
15	186.83.117.0/24	12985	0.13%	10620 -- Telmex Colombia S.A., CO
16	103.177.87.0/24	12973	0.13%	149038 -- UCGCL-AS-AP UNIQUE COMM GROUP COMPANY LIMITED, MM
17	192.109.37.0/24	12696	0.13%	34615 -- UNIVERSAL-EXPORTS Universal Exports, CH
18	192.109.38.0/24	12690	0.13%	34615 -- UNIVERSAL-EXPORTS Universal Exports, CH
19	103.177.86.0/24	12680	0.13%	149038 -- UCGCL-AS-AP UNIQUE COMM GROUP COMPANY LIMITED, MM
20	203.145.78.0/24	12395	0.12%	17794 -- HTCL-ORANGE-HK-AP Hutchison Telephone Company Limited, HK
21	202.45.88.0/24	12391	0.12%	17794 -- HTCL-ORANGE-HK-AP Hutchison Telephone Company Limited, HK
22	203.145.74.0/24	12351	0.12%	17794 -- HTCL-ORANGE-HK-AP Hutchison Telephone Company Limited, HK
23	202.181.232.0/23	11842	0.12%	7540 -- HKCIX-AS-AP HongKong Commercial Internet Exchange, HK
24	23.128.20.0/24	11250	0.11%	23013 -- FORTANIX, US
25	164.163.52.0/22	10810	0.11%	265953 -- INNOVA TECNOLOGIA E SERVICOS LTDA., BR
26	197.216.59.0/24	10668	0.11%	11259 -- ANGOLATELECOM, AO
27	207.167.116.0/22	10644	0.11%	7954 -- IMMENSE-NETWORKS, US
28	130.137.12.0/24	10345	0.10%	16509 -- AMAZON-02, US
29	130.137.108.0/24	10309	0.10%	16509 -- AMAZON-02, US
30	84.205.66.0/24	10212	0.10%	12654 -- RIPE-NCC-RIS-AS Reseaux IP Europeens Network Coordination Centre RIPE NCC, NL
31	179.48.37.0/24	9975	0.10%	271084 -- TRYMNET PROVEDOR, BR
32	130.137.227.0/24	8775	0.09%	16509 -- AMAZON-02, US
33	130.137.127.0/24	8732	0.09%	16509 -- AMAZON-02, US
34	130.137.130.0/24	8701	0.09%	16509 -- AMAZON-02, US
35	130.137.140.0/24	8634	0.09%	16509 -- AMAZON-02, US
36	130.137.99.0/24	8580	0.09%	16509 -- AMAZON-02, US
37	130.137.124.0/24	8534	0.09%	16509 -- AMAZON-02, US
38	130.137.26.0/24	8478	0.08%	16509 -- AMAZON-02, US
39	130.137.111.0/24	8461	0.08%	16509 -- AMAZON-02, US
40	130.137.28.0/24	8419	0.08%	16509 -- AMAZON-02, US
41	130.137.105.0/24	8404	0.08%	16509 -- AMAZON-02, US
42	173.82.63.0/24	8400	0.08%	16509 -- AMAZON-02, US
43	173.82.108.0/24	8298	0.08%	16509 -- AMAZON-02, US
44	130.137.147.0/24	8289	0.08%	16509 -- AMAZON-02, US
45	173.82.67.0/24	8274	0.08%	16509 -- AMAZON-02, US
46	130.137.16.0/24	8154	0.08%	16509 -- AMAZON-02, US
47	130.137.133.0/24	8150	0.08%	16509 -- AMAZON-02, US
48	130.137.136.0/24	8142	0.08%	16509 -- AMAZON-02, US
49	130.137.81.0/24	8132	0.08%	16509 -- AMAZON-02, US
50	130.137.150.0/24	8100	0.08%	16509 -- AMAZON-02, US
Total		677341	6.75%

14 Day BGP Profile: 17-June-2025 00:00 - 30-June-2025 23:59 (UTC+1000)

Number of BGP Update Messages:	23767935
Number of Prefix Updates:	9610363
Number of Prefix Withdrawals:	381697
Average Prefixes per BGP Update:	0.42
Average BGP Update Messages per second:	19.65
Average Prefix Updates per second:	8.26
Peak BGP Update Message Rate per second:	66732	(03:09:15 Thu, 26-Jun-2025)
Peak Prefix Update Rate per second:	7696	(07:30:50 Wed, 18-Jun-2025)
Peak Prefix Withdraw Rate per second:	32304	(03:09:15 Thu, 26-Jun-2025)
Prefix Count:	1037323
Updated Prefix Count:	824272
Stable Prefix Count:	213051
Origin AS Count:	77078
Updated Origin AS Count:	64783
Stable Origin AS Count:	12295
Unique Path Count:	603843
Updated Path Count:	475720
Stable Path Count:	128123

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.