The BGP Instability Report

The BGP Instability Report is updated daily. This report
was generated on 16 July 2025 06:23 (UTC+1000)

50 Most active ASes for the past 14 days

RANK	ASN	UPDs	%	Prefixes	UPDs/Prefix	AS NAME
1	16509	362745	3.74%	13817	26.25	AMAZON-02, US
2	8151	355805	3.67%	12375	28.75	UNINET, MX
3	18403	334273	3.45%	4534	73.73	FPT-AS-AP FPT Telecom Company, VN
4	52752	123033	1.27%	28	4394.04	Vegas Telecom Informatica Ltda., BR
5	4155	115160	1.19%	2874	40.07	USDA-1, US
6	37545	102567	1.06%	41	2501.63	BBSS, BI
7	15964	87659	0.90%	156	561.92	CAMNET-AS, CM
8	207990	85866	0.89%	1144	75.06	HR-CUSTOMER, IN
9	197207	74242	0.77%	3532	21.02	MCCI-AS, IR
10	28135	72252	0.74%	68	1062.53	ASSOCIACAO NACIONAL PARA INCLUSAO DIGITAL - ANID, BR
11	37069	65774	0.68%	1123	58.57	MOBINIL, EG
12	17049	62284	0.64%	64	973.19	MBO-NET, US
13	10620	60562	0.62%	3514	17.23	Telmex Colombia S.A., CO
14	9829	59002	0.61%	1832	32.21	BSNL-NIB National Internet Backbone, IN
15	36903	55808	0.58%	1249	44.68	MT-MPLS, MA
16	39891	54388	0.56%	4798	11.34	ALJAWWALSTC-AS, SA
17	139981	50189	0.52%	6	8364.83	MENAKSOPAL-AS-ID PT. Menaksopal Link Nusantara, ID
18	58224	47953	0.49%	1165	41.16	TCI, IR
19	647	39584	0.41%	456	86.81	DNIC-ASBLK-00616-00665, US
20	24835	39543	0.41%	1828	21.63	RAYA-AS, EG
21	29256	36754	0.38%	435	84.49	INT-PDN-STE-AS STE PDN Internal AS, SY
22	36914	36435	0.38%	584	62.39	KENET-AS, KE
23	19429	35589	0.37%	703	50.62	ETB - Colombia, CO
24	37462	34916	0.36%	4	8729.00	Prestabist, TD
25	136103	34320	0.35%	4	8580.00	IDNIC-USM-AS-ID Universitas Semarang, ID
26	36992	32490	0.33%	1526	21.29	ETISALAT-MISR, EG
27	63376	32399	0.33%	2	16199.50	TOUCHTONE-CUSTS, US
28	263069	31894	0.33%	11	2899.45	BRT Comercio de Produtos de Informatica LTDA, BR
29	11830	31087	0.32%	1987	15.65	Instituto Costarricense de Electricidad y Telecom., CR
30	174	31070	0.32%	3600	8.63	COGENT-174, US
31	17794	30261	0.31%	13	2327.77	HTCL-ORANGE-HK-AP Hutchison Telephone Company Limited, HK
32	398101	29977	0.31%	240	124.90	GO-DADDY-COM-LLC, US
33	28657	29186	0.30%	2	14593.00	MD Brasil - Tecnologia da Informacao Ltda, BR
34	13188	28231	0.29%	1606	17.58	TRIOLAN, UA
35	34615	27951	0.29%	2	13975.50	UNIVERSAL-EXPORTS Universal Exports, CH
36	45899	26519	0.27%	3306	8.02	VNPT-AS-VN VNPT Corp, VN
37	20473	26196	0.27%	1302	20.12	AS-VULTR, US
38	367	25938	0.27%	2751	9.43	DNIC-ASBLK-00306-00371, US
39	27759	25865	0.27%	157	164.75	ACCESS HAITI S.A., HT
40	18809	24731	0.25%	457	54.12	Cable Onda, PA
41	5371	24488	0.25%	312	78.49	DNIC-ASBLK-05120-05376, US
42	24757	24214	0.25%	447	54.17	EthioNet-AS, ET
43	17561	24021	0.25%	954	25.18	LCS-AS-AP LARUS Limited, HK
44	211306	23833	0.25%	14	1702.36	TREADSTONE-AS, RO
45	210538	23360	0.24%	26	898.46	KEYUBU, TR
46	265566	23316	0.24%	5	4663.20	TELESISTEMAS PENINSULARES SA DE CV, MX
47	8551	22943	0.24%	1626	14.11	BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbone, IL
48	45528	22791	0.23%	840	27.13	TIKONAIN-AS Tikona Infinet Ltd., IN
49	8369	22665	0.23%	61	371.56	INTERSVYAZ-AS 38-B, Komsomolsky prospekt, RU
50	24863	22422	0.23%	1622	13.82	LINKdotNET-AS, EG
Total		3094551	31.91%

50 Most active ASes for the past 14 days

RANK	ASN	UPDs/Prefix	%	Prefixes	UPDs	AS NAME
1	63376	32399.0	0.33%	2	32399	TOUCHTONE-CUSTS, US
2	28657	14593.0	0.30%	2	29186	MD Brasil - Tecnologia da Informacao Ltda, BR
3	34615	13975.5	0.29%	2	27951	UNIVERSAL-EXPORTS Universal Exports, CH
4	2603	11800.0	0.12%	11	11800	NORDUNET, DK
5	138071	9399.0	0.10%	1	9399	IDNIC-PEMPROV-KALTENG-AS-ID PEMERINTAH PROVINSI KALIMANTAN TENGAH, ID
6	329312	9179.0	0.09%	1	9179	Manano-Telecommunication-SARL, TD
7	37462	8729.0	0.36%	4	34916	Prestabist, TD
8	136103	8580.0	0.35%	4	34320	IDNIC-USM-AS-ID Universitas Semarang, ID
9	139981	8364.8	0.52%	6	50189	MENAKSOPAL-AS-ID PT. Menaksopal Link Nusantara, ID
10	32685	7104.0	0.07%	1	7104	AEG-VISION, US
11	263069	5315.7	0.33%	11	31894	BRT Comercio de Produtos de Informatica LTDA, BR
12	149038	5314.0	0.11%	2	10628	UCGCL-AS-AP UNIQUE COMM GROUP COMPANY LIMITED, MM
13	52752	4921.3	1.27%	28	123033	Vegas Telecom Informatica Ltda., BR
14	51408	4830.0	0.05%	1	4830	SIRIUS-AS, RU
15	396950	4717.0	0.05%	1	4717	COMSTBARTH-AS, FR
16	265566	4663.2	0.24%	5	23316	TELESISTEMAS PENINSULARES SA DE CV, MX
17	394678	4489.5	0.19%	4	17958	BPC-76-AS, CA
18	7954	4139.7	0.13%	3	12419	IMMENSE-NETWORKS, US
19	151528	4036.0	0.04%	1	4036	IDNIC-GETLINK-AS-ID PT Global Abadi Inti Nusantara, ID
20	399035	3691.0	0.04%	2	3691	LAMBTON-LTD-01, CA
21	886	3382.0	0.03%	1	3382	SBH-IX-SERVICES, FR
22	269819	3197.3	0.10%	3	9592	LE PERA SERGIO PATRICIONEO, AR
23	265953	3141.5	0.13%	4	12566	INNOVA TECNOLOGIA E SERVICOS LTDA., BR
24	17794	2521.8	0.31%	13	30261	HTCL-ORANGE-HK-AP Hutchison Telephone Company Limited, HK
25	37545	2501.6	1.06%	41	102567	BBSS, BI
26	37336	2488.3	0.18%	7	17418	UCOM-WIC, BI
27	7540	2267.7	0.14%	118	13606	HKCIX-AS-AP HongKong Commercial Internet Exchange, HK
28	271482	2255.2	0.12%	5	11276	MEGA TELECOM FIBRA, BR
29	209887	2217.3	0.07%	4	6652	BIESSE, IT
30	327734	2210.0	0.02%	1	2210	ECONET, BI
31	56639	2198.0	0.02%	1	2198	LNET-COM-UA-AS, UA
32	214294	2195.0	0.07%	4	6585	NOOBNET, GB
33	136867	2096.7	0.06%	3	6290	IDNIC-TELKOMTELSTRA-AS-ID PT. Teltranet Aplikasi Solusi Telkomtelstra, ID
34	17049	2076.1	0.64%	64	62284	MBO-NET, US
35	43206	2045.0	0.02%	1	2045	TNTU-AS, UA
36	328599	2010.3	0.06%	3	6031	Amanet-SARL, TD
37	327730	1948.0	0.02%	1	1948	PPF, TZ
38	137258	1848.0	0.02%	1	1848	SHIRAZI-AS-AP Shirazi Investments Pvt Ltd., PK
39	18301	1845.0	0.02%	1	1845	DSNET-AS-KR ILINKKOREA, KR
40	31104	1799.0	0.04%	2	3598	EVACY, FR
41	328448	1783.0	0.02%	1	1783	Direction-Generale-Des-Impots-AS, BF
42	209226	1709.5	0.07%	4	6838	CHU-TIVOLI, BE
43	211306	1702.4	0.25%	14	23833	TREADSTONE-AS, RO
44	271084	1634.8	0.07%	4	6539	TRYMNET PROVEDOR, BR
45	150442	1570.0	0.02%	2	1570	BFSACD-AS-AP Bangladesh Fire Service and Civil Defense, BD
46	59865	1555.2	0.10%	19	9331	IVM, NL
47	13341	1503.8	0.08%	5	7519	TRANQUILITY, US
48	215761	1390.8	0.06%	4	5563	MFATIHASAN, TR
49	327798	1377.4	0.23%	16	22039	BERNET, BI
50	38501	1288.0	0.03%
Total		231999.4	9.04%

50 Most active Prefixes for the past 14 days

RANK	PREFIX	UPDs	%	Origin AS -- AS NAME
1	177.46.36.0/24	34077	0.34%	28135 -- ASSOCIACAO NACIONAL PARA INCLUSAO DIGITAL - ANID, BR
2	177.46.39.0/24	34077	0.34%	28135 -- ASSOCIACAO NACIONAL PARA INCLUSAO DIGITAL - ANID, BR
3	140.174.37.0/24	32399	0.32%	63376 -- TOUCHTONE-CUSTS, US
4	168.0.128.0/22	31825	0.31%	263069 -- BRT Comercio de Produtos de Informatica LTDA, BR
5	138.99.97.0/24	29175	0.29%	28657 -- MD Brasil - Tecnologia da Informacao Ltda, BR
6	181.233.80.0/22	23459	0.23%	268314 -- EWERTON DA SILVA LOPES TELECOMUNICACOES, BR 271482 -- MEGA TELECOM FIBRA, BR
7	45.172.92.0/22	23223	0.23%	265566 -- TELESISTEMAS PENINSULARES SA DE CV, MX
8	38.224.214.0/24	20726	0.21%	174 -- COGENT-174, US
9	188.213.84.0/23	18638	0.18%	20473 -- AS-VULTR, US
10	189.76.64.0/22	17577	0.17%	52752 -- Vegas Telecom Informatica Ltda., BR
11	189.76.66.0/23	17572	0.17%	52752 -- Vegas Telecom Informatica Ltda., BR
12	189.76.65.0/24	17554	0.17%	52752 -- Vegas Telecom Informatica Ltda., BR
13	189.76.66.0/24	17548	0.17%	52752 -- Vegas Telecom Informatica Ltda., BR
14	189.76.64.0/23	17544	0.17%	52752 -- Vegas Telecom Informatica Ltda., BR
15	189.76.67.0/24	17514	0.17%	52752 -- Vegas Telecom Informatica Ltda., BR
16	189.76.64.0/24	17511	0.17%	52752 -- Vegas Telecom Informatica Ltda., BR
17	103.71.162.0/23	16511	0.16%	139981 -- MENAKSOPAL-AS-ID PT. Menaksopal Link Nusantara, ID
18	103.80.98.0/23	16209	0.16%	139981 -- MENAKSOPAL-AS-ID PT. Menaksopal Link Nusantara, ID
19	77.89.192.0/22	16050	0.16%	25454 -- ASN-OMD-FNO Orange Moldova Fixed Network Autonomous System, MD
20	130.137.231.0/24	14546	0.14%	16509 -- AMAZON-02, US
21	192.109.38.0/24	13987	0.14%	34615 -- UNIVERSAL-EXPORTS Universal Exports, CH
22	192.109.37.0/24	13964	0.14%	34615 -- UNIVERSAL-EXPORTS Universal Exports, CH
23	103.148.24.0/23	13871	0.14%	139981 -- MENAKSOPAL-AS-ID PT. Menaksopal Link Nusantara, ID
24	186.83.117.0/24	13678	0.14%	10620 -- Telmex Colombia S.A., CO
25	202.181.232.0/23	13552	0.13%	7540 -- HKCIX-AS-AP HongKong Commercial Internet Exchange, HK
26	164.163.52.0/22	12523	0.12%	265953 -- INNOVA TECNOLOGIA E SERVICOS LTDA., BR
27	207.167.116.0/22	12415	0.12%	7954 -- IMMENSE-NETWORKS, US
28	195.24.192.0/20	12318	0.12%	15964 -- CAMNET-AS, CM
29	193.10.255.0/24	11800	0.12%	2603 -- NORDUNET, DK
30	124.195.190.0/24	11445	0.11%	38684 -- CMBDAEJEON-AS-KR CMB Daejeon Broadcasting Co,.Ltd, KR
31	84.205.66.0/24	10587	0.10%	12654 -- RIPE-NCC-RIS-AS Reseaux IP Europeens Network Coordination Centre RIPE NCC, NL
32	130.137.108.0/24	10475	0.10%	16509 -- AMAZON-02, US
33	130.137.12.0/24	10466	0.10%	16509 -- AMAZON-02, US
34	202.45.88.0/24	10115	0.10%	17794 -- HTCL-ORANGE-HK-AP Hutchison Telephone Company Limited, HK
35	203.145.74.0/24	10063	0.10%	17794 -- HTCL-ORANGE-HK-AP Hutchison Telephone Company Limited, HK
36	203.145.78.0/24	10063	0.10%	17794 -- HTCL-ORANGE-HK-AP Hutchison Telephone Company Limited, HK
37	45.187.132.0/22	9570	0.09%	269819 -- LE PERA SERGIO PATRICIONEO, AR
38	103.123.24.0/23	9399	0.09%	138071 -- IDNIC-PEMPROV-KALTENG-AS-ID PEMERINTAH PROVINSI KALIMANTAN TENGAH, ID
39	185.56.142.0/23	9320	0.09%	59865 -- IVM, NL
40	102.211.107.0/24	9179	0.09%	329312 -- Manano-Telecommunication-SARL, TD
41	130.137.230.0/24	9067	0.09%	16509 -- AMAZON-02, US
42	197.216.59.0/24	8863	0.09%	11259 -- ANGOLATELECOM, AO
43	197.149.131.0/24	8738	0.09%	37462 -- Prestabist, TD
44	197.149.129.0/24	8731	0.09%	37462 -- Prestabist, TD
45	197.149.130.0/24	8729	0.09%	37462 -- Prestabist, TD
46	197.149.128.0/24	8718	0.09%	37462 -- Prestabist, TD
47	130.137.127.0/24	8628	0.09%	16509 -- AMAZON-02, US
48	130.137.130.0/24	8584	0.08%	16509 -- AMAZON-02, US
49	103.134.212.0/24	8580	0.08%	136103 -- IDNIC-USM-AS-ID Universitas Semarang, ID
50	103.134.214.0/24	8580	0.08%	136103 -- IDNIC-USM-AS-ID Universitas Semarang, ID
Total		749743	7.37%

14 Day BGP Profile: 2-July-2025 00:00 - 15-July-2025 23:59 (UTC+1000)

Number of BGP Update Messages:	22128641
Number of Prefix Updates:	9700998
Number of Prefix Withdrawals:	405238
Average Prefixes per BGP Update:	0.46
Average BGP Update Messages per second:	18.29
Average Prefix Updates per second:	8.36
Peak BGP Update Message Rate per second:	45061	(12:41:58 Mon, 7-Jul-2025)
Peak Prefix Update Rate per second:	1919	(08:35:53 Wed, 9-Jul-2025)
Peak Prefix Withdraw Rate per second:	19877	(12:41:58 Mon, 7-Jul-2025)
Prefix Count:	1035668
Updated Prefix Count:	724091
Stable Prefix Count:	311577
Origin AS Count:	77060
Updated Origin AS Count:	64478
Stable Origin AS Count:	12582
Unique Path Count:	593669
Updated Path Count:	453999
Stable Path Count:	139670

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.