The BGP Instability Report

The BGP Instability Report is updated daily. This report
was generated on 08 May 2025 06:27 (UTC+1000)

50 Most active ASes for the past 14 days

RANK	ASN	UPDs	%	Prefixes	UPDs/Prefix	AS NAME
1	8151	396336	3.35%	12120	32.70	UNINET, MX
2	16509	391450	3.31%	13917	28.13	AMAZON-02, US
3	9829	174673	1.48%	1995	87.56	BSNL-NIB National Internet Backbone, IN
4	28186	104052	0.88%	229	454.38	ITS TELECOMUNICACOES LTDA, BR
5	12479	95835	0.81%	7756	12.36	UNI2-AS, ES
6	36903	80299	0.68%	1249	64.29	MT-MPLS, MA
7	39891	79774	0.67%	4797	16.63	ALJAWWALSTC-AS, SA
8	45899	79567	0.67%	3287	24.21	VNPT-AS-VN VNPT Corp, VN
9	9808	76236	0.64%	10672	7.14	CHINAMOBILE-CN China Mobile Communications Group Co., Ltd., CN
10	4155	71270	0.60%	2718	26.22	USDA-1, US
11	7552	68925	0.58%	3922	17.57	VIETEL-AS-AP Viettel Group, VN
12	10620	68603	0.58%	3523	19.47	Telmex Colombia S.A., CO
13	209181	66777	0.56%	44	1517.66	ZENEX5IVE-NL, GB
14	27775	61475	0.52%	323	190.33	Telecommunicationcompany Suriname - TeleSur, SR
15	25048	53532	0.45%	5	10706.40	DSNET DSNet, GB
16	7545	49776	0.42%	6219	8.00	TPG-INTERNET-AP TPG Telecom Limited, AU
17	18403	46187	0.39%	4360	10.59	FPT-AS-AP FPT Telecom Company, VN
18	647	46147	0.39%	418	110.40	DNIC-ASBLK-00616-00665, US
19	4249	45824	0.39%	302	151.74	LILLY-AS, US
20	138077	43201	0.37%	30	1440.03	IDNIC-ABHINAWA-AS-ID PT Abhinawa Sumberdaya Asia, ID
21	367	42448	0.36%	2624	16.18	DNIC-ASBLK-00306-00371, US
22	5371	41520	0.35%	365	113.75	DNIC-ASBLK-05120-05376, US
23	17794	39383	0.33%	13	3029.46	HTCL-ORANGE-HK-AP Hutchison Telephone Company Limited, HK
24	174	37087	0.31%	3958	9.37	COGENT-174, US
25	36914	37026	0.31%	572	64.73	KENET-AS, KE
26	19429	36774	0.31%	704	52.24	ETB - Colombia, CO
27	13188	36206	0.31%	1606	22.54	TRIOLAN, UA
28	17049	35587	0.30%	64	556.05	MBO-NET, US
29	58224	34709	0.29%	1191	29.14	TCI, IR
30	150706	31812	0.27%	93	342.06	HKZTCL-AS-AP Hong Kong Zhengxing Technology Co., Ltd., HK
31	7713	31325	0.26%	3710	8.44	TELKOMNET-AS-AP PT Telekomunikasi Indonesia, ID
32	263069	30297	0.26%	11	2754.27	BRT Comercio de Produtos de Informatica LTDA, BR
33	63376	30232	0.26%	2	15116.00	TOUCHTONE-CUSTS, US
34	24835	29834	0.25%	1746	17.09	RAYA-AS, EG
35	11830	29821	0.25%	1996	14.94	Instituto Costarricense de Electricidad y Telecom., CR
36	62904	29717	0.25%	660	45.03	AS62904, US
37	984	28002	0.24%	1387	20.19	OWS, US
38	28657	27401	0.23%	2	13700.50	MD Brasil - Tecnologia da Informacao Ltda, BR
39	25454	27356	0.23%	46	594.70	ASN-OMD-FNO Orange Moldova Fixed Network Autonomous System, MD
40	20473	27056	0.23%	1288	21.01	AS-VULTR, US
41	7029	25128	0.21%	2069	12.14	WINDSTREAM, US
42	9009	24589	0.21%	3839	6.41	M247, RO
43	8369	24533	0.21%	60	408.88	INTERSVYAZ-AS 38-B, Komsomolsky prospekt, RU
44	36992	24336	0.21%	1437	16.94	ETISALAT-MISR, EG
45	22773	24176	0.20%	8283	2.92	ASN-CXA-ALL-CCI-22773-RDC, US
46	197207	23932	0.20%	754	31.74	MCCI-AS, IR
47	14713	23925	0.20%	13	1840.38	HBL-35-14713, US
48	26611	23826	0.20%	200	119.13	COMUNICACION CELULAR S.A. COMCEL S.A., CO
49	9583	23814	0.20%	1925	12.37	SIFY-AS-IN Sify Limited, IN
50	28391	22423	0.19%	159	141.03	Universidad Juarez Autonoma de Tabasco, MX
Total		3004214	25.37%

50 Most active ASes for the past 14 days

RANK	ASN	UPDs/Prefix	%	Prefixes	UPDs	AS NAME
1	63376	15116.0	0.26%	2	30232	TOUCHTONE-CUSTS, US
2	28657	13700.5	0.23%	2	27401	MD Brasil - Tecnologia da Informacao Ltda, BR
3	25048	10706.4	0.45%	5	53532	DSNET DSNet, GB
4	401698	8510.0	0.07%	1	8510	NJCL-AS, US
5	397829	7178.0	0.06%	1	7178	SCC-INET-01, CA
6	396950	6210.0	0.05%	1	6210	COMSTBARTH-AS, FR
7	51408	5680.0	0.05%	1	5680	SIRIUS-AS, RU
8	201643	5176.0	0.17%	4	20704	EGOV66-AS, RU
9	50674	5139.0	0.04%	1	5139	SPBEX-AS, RU
10	886	4992.0	0.04%	1	4992	SBH-IX-SERVICES, FR
11	135445	4858.7	0.12%	8	14576	IDNIC-AIRPAY-AS-ID PT. Airpay International Indonesia, ID
12	29469	4818.0	0.04%	1	4818	GTU Khmelnitsky, Ukraine, UA
13	136103	4342.0	0.15%	4	17368	IDNIC-USM-AS-ID Universitas Semarang, ID
14	269270	4135.7	0.10%	3	12407	ANDRE FERREIRA LIMA SERVICOS DE COMUNICACAO, BR
15	7954	4066.7	0.10%	3	12200	IMMENSE-NETWORKS, US
16	265566	4001.6	0.17%	5	20008	TELESISTEMAS PENINSULARES SA DE CV, MX
17	398781	3695.2	0.16%	5	18476	OSL-188, US
18	17794	3580.3	0.33%	13	39383	HTCL-ORANGE-HK-AP Hutchison Telephone Company Limited, HK
19	263069	2754.3	0.26%	11	30297	BRT Comercio de Produtos de Informatica LTDA, BR
20	12220	2705.3	0.14%	6	16232	I-EVOLVE-TECHNOLOGY-SERVICES, US
21	32685	2604.0	0.02%	1	2604	AEG-VISION, US
22	48090	2469.0	0.06%	3	7407	DMZHOST, GB
23	211177	2448.0	0.02%	1	2448	MET-PIT-EN-CO-BV, NL
24	56611	2358.3	0.14%	7	16508	REBACOM-AS, NL
25	137258	2227.0	0.02%	1	2227	SHIRAZI-AS-AP Shirazi Investments Pvt Ltd., PK
26	136867	2087.0	0.05%	3	6261	IDNIC-TELKOMTELSTRA-AS-ID PT. Teltranet Aplikasi Solusi Telkomtelstra, ID
27	34901	2024.0	0.05%	3	6072	GDC-AS, RU
28	211865	1953.0	0.02%	1	1953	ASN-MONDOHITECH, IT
29	132792	1930.0	0.02%	1	1930	UPV-MIAGAO-AS-AP University of the Philippines Visayas, Miagao, PH
30	56639	1875.0	0.02%	1	1875	LNET-COM-UA-AS, UA
31	37723	1856.0	0.02%	1	1856	Cajutel-ASN, SL
32	18610	1848.0	0.02%	1	1848	SEQUOIA-AS, US
33	14713	1840.4	0.20%	13	23925	HBL-35-14713, US
34	41525	1726.5	0.09%	6	10359	FILI-AS, RU
35	31104	1647.0	0.03%	2	3294	EVACY, FR
36	209181	1517.7	0.56%	44	66777	ZENEX5IVE-NL, GB
37	131872	1497.0	0.03%	2	2994	IITP-AS-KR IITP, KR
38	35690	1494.0	0.06%	5	7470	IRANINSURANCE-AS, IR
39	13341	1486.0	0.06%	5	7430	TRANQUILITY, US
40	215385	1463.5	0.02%	2	2927	ASN-ALONET, IT
41	29382	1457.0	0.02%	2	2914	UKRINFOSYSTEMS-AS, UA
42	138077	1440.0	0.37%	30	43201	IDNIC-ABHINAWA-AS-ID PT Abhinawa Sumberdaya Asia, ID
43	57285	1438.0	0.01%	1	1438	UKRINFOSYSTEMS-AS, UA
44	214119	1413.5	0.02%	2	2827	CYBERKITTENS, US
45	138071	1314.0	0.03%	3	3942	IDNIC-PEMPROV-KALTENG-AS-ID PEMERINTAH PROVINSI KALIMANTAN TENGAH, ID
46	328448	1256.0	0.01%	1	1256	Direction-Generale-Des-Impots-AS, BF
47	208337	1253.8	0.04%	4	5015	TELEMANAPOLI, IT
48	199834	1239.0	0.03%	3	3717	IPSOLUS, SC
49	57717	1235.3	0.06%	6	7412	FBX-AS, NL
50	215113	1227.5	0.02%
Total		172991.2	5.11%

50 Most active Prefixes for the past 14 days

RANK	PREFIX	UPDs	%	Origin AS -- AS NAME
1	140.174.37.0/24	30221	0.25%	63376 -- TOUCHTONE-CUSTS, US
2	168.0.128.0/22	30046	0.25%	263069 -- BRT Comercio de Produtos de Informatica LTDA, BR
3	138.99.97.0/24	27343	0.22%	28657 -- MD Brasil - Tecnologia da Informacao Ltda, BR
4	77.89.192.0/22	26944	0.22%	25454 -- ASN-OMD-FNO Orange Moldova Fixed Network Autonomous System, MD
5	38.224.214.0/24	26865	0.22%	174 -- COGENT-174, US
6	104.206.88.0/22	21909	0.18%	62904 -- AS62904, US
7	185.68.100.0/22	20688	0.17%	201643 -- EGOV66-AS, RU
8	45.172.92.0/22	19975	0.16%	265566 -- TELESISTEMAS PENINSULARES SA DE CV, MX
9	81.90.139.0/24	17853	0.15%	25048 -- DSNET DSNet, GB
10	81.90.132.0/24	17840	0.15%	25048 -- DSNET DSNet, GB
11	81.90.133.0/24	17835	0.15%	25048 -- DSNET DSNet, GB
12	188.213.84.0/23	17033	0.14%	20473 -- AS-VULTR, US
13	130.137.231.0/24	14565	0.12%	16509 -- AMAZON-02, US
14	103.223.2.0/24	14508	0.12%	135445 -- IDNIC-AIRPAY-AS-ID PT. Airpay International Indonesia, ID
15	202.181.232.0/23	13980	0.11%	7540 -- HKCIX-AS-AP HongKong Commercial Internet Exchange, HK
16	124.195.190.0/24	13631	0.11%	38684 -- CMBDAEJEON-AS-KR CMB Daejeon Broadcasting Co,.Ltd, KR
17	202.45.88.0/24	13127	0.11%	17794 -- HTCL-ORANGE-HK-AP Hutchison Telephone Company Limited, HK
18	203.145.74.0/24	13125	0.11%	17794 -- HTCL-ORANGE-HK-AP Hutchison Telephone Company Limited, HK
19	203.145.78.0/24	13123	0.11%	17794 -- HTCL-ORANGE-HK-AP Hutchison Telephone Company Limited, HK
20	45.183.83.0/24	12250	0.10%	269270 -- ANDRE FERREIRA LIMA SERVICOS DE COMUNICACAO, BR
21	207.167.116.0/22	12196	0.10%	7954 -- IMMENSE-NETWORKS, US
22	223.196.5.0/24	10944	0.09%	55644 -- VIL-AS-AP Vodafone Idea Ltd, IN
23	130.137.12.0/24	10481	0.09%	16509 -- AMAZON-02, US
24	209.102.220.0/24	10464	0.09%	30219 -- MLB-ADVANCED-MEDIA, US
25	130.137.108.0/24	9816	0.08%	16509 -- AMAZON-02, US
26	84.205.66.0/24	9728	0.08%	12654 -- RIPE-NCC-RIS-AS Reseaux IP Europeens Network Coordination Centre RIPE NCC, NL
27	130.137.227.0/24	8849	0.07%	16509 -- AMAZON-02, US
28	188.240.83.0/24	8825	0.07%	20473 -- AS-VULTR, US 398781 -- OSL-188, US
29	130.137.111.0/24	8762	0.07%	16509 -- AMAZON-02, US
30	130.137.99.0/24	8689	0.07%	16509 -- AMAZON-02, US
31	130.137.124.0/24	8563	0.07%	16509 -- AMAZON-02, US
32	130.137.140.0/24	8549	0.07%	16509 -- AMAZON-02, US
33	130.137.26.0/24	8535	0.07%	16509 -- AMAZON-02, US
34	23.135.82.0/24	8526	0.07%	206203 -- ASHNET-AS, US 401698 -- NJCL-AS, US
35	130.137.130.0/24	8472	0.07%	16509 -- AMAZON-02, US
36	130.137.105.0/24	8469	0.07%	16509 -- AMAZON-02, US
37	130.137.28.0/24	8459	0.07%	16509 -- AMAZON-02, US
38	130.137.147.0/24	8458	0.07%	16509 -- AMAZON-02, US
39	130.137.127.0/24	8424	0.07%	16509 -- AMAZON-02, US
40	130.137.133.0/24	8424	0.07%	16509 -- AMAZON-02, US
41	130.137.121.0/24	8321	0.07%	8987 -- AMAZON EXPANSION, IE
42	173.82.67.0/24	8306	0.07%	16509 -- AMAZON-02, US
43	130.137.136.0/24	8259	0.07%	16509 -- AMAZON-02, US
44	173.82.63.0/24	8220	0.07%	16509 -- AMAZON-02, US
45	130.137.86.0/24	8210	0.07%	16509 -- AMAZON-02, US
46	130.137.16.0/24	8184	0.07%	16509 -- AMAZON-02, US
47	130.137.141.0/24	8172	0.07%	16509 -- AMAZON-02, US
48	130.137.47.0/24	8164	0.07%	16509 -- AMAZON-02, US
49	130.137.78.0/24	8151	0.07%	16509 -- AMAZON-02, US
50	130.137.102.0/24	8145	0.07%	16509 -- AMAZON-02, US
Total		648626	5.36%

14 Day BGP Profile: 24-April-2025 00:00 - 7-May-2025 23:59 (UTC+1000)

Number of BGP Update Messages:	26117925
Number of Prefix Updates:	11833219
Number of Prefix Withdrawals:	344667
Average Prefixes per BGP Update:	0.47
Average BGP Update Messages per second:	21.59
Average Prefix Updates per second:	10.07
Peak BGP Update Message Rate per second:	57005	(21:21:42 Wed, 30-Apr-2025)
Peak Prefix Update Rate per second:	2612	(21:41:41 Wed, 30-Apr-2025)
Peak Prefix Withdraw Rate per second:	26454	(21:41:57 Wed, 30-Apr-2025)
Prefix Count:	1028641
Updated Prefix Count:	971983
Stable Prefix Count:	56658
Origin AS Count:	76911
Updated Origin AS Count:	74649
Stable Origin AS Count:	2262
Unique Path Count:	628259
Updated Path Count:	519636
Stable Path Count:	108623

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.