The BGP Instability Report

The BGP Instability Report is updated daily. This report
was generated on 04 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	393609	4.39%	13938	28.24	AMAZON-02, US
2	8151	187290	2.09%	12219	15.33	UNINET, MX
3	9829	164231	1.83%	1955	84.01	BSNL-NIB National Internet Backbone, IN
4	36903	101256	1.13%	1250	81.00	MT-MPLS, MA
5	7552	90521	1.01%	3925	23.06	VIETEL-AS-AP Viettel Group, VN
6	4155	76201	0.85%	2798	27.23	USDA-1, US
7	45899	70076	0.78%	3289	21.31	VNPT-AS-VN VNPT Corp, VN
8	28135	66076	0.74%	66	1001.15	ASSOCIACAO NACIONAL PARA INCLUSAO DIGITAL - ANID, BR
9	11664	64592	0.72%	1209	53.43	Techtel LMDS Comunicaciones Interactivas S.A., AR
10	7713	63258	0.71%	3716	17.02	TELKOMNET-AS-AP PT Telekomunikasi Indonesia, ID
11	58224	57024	0.64%	1272	44.83	TCI, IR
12	16992	54854	0.61%	10	5485.40	FLT-15, US
13	35819	51101	0.57%	612	83.50	MOBILY-AS Etihad Etisalat Company Mobily, SA
14	203214	50381	0.56%	887	56.80	HULUMTELE, IQ
15	150706	45756	0.51%	93	492.00	HKZTCL-AS-AP Hong Kong Zhengxing Technology Co., Ltd., HK
16	42337	42939	0.48%	687	62.50	RESPINA-AS, IR
17	17794	36512	0.41%	13	2808.62	HTCL-ORANGE-HK-AP Hutchison Telephone Company Limited, HK
18	10620	36508	0.41%	3501	10.43	Telmex Colombia S.A., CO
19	209181	35619	0.40%	43	828.35	ZENEX5IVE-NL, GB
20	5056	35421	0.40%	234	151.37	AUREON-5056, US
21	17049	35314	0.39%	63	560.54	MBO-NET, US
22	197207	35305	0.39%	743	47.52	MCCI-AS, IR
23	28391	35186	0.39%	159	221.30	Universidad Juarez Autonoma de Tabasco, MX
24	647	34996	0.39%	421	83.13	DNIC-ASBLK-00616-00665, US
25	25048	34569	0.39%	5	6913.80	DSNET DSNet, GB
26	36914	31128	0.35%	567	54.90	KENET-AS, KE
27	20473	31050	0.35%	1328	23.38	AS-VULTR, US
28	53013	30973	0.35%	8503	3.64	W I X NET DO BRASIL LTDA - ME, BR
29	5371	30648	0.34%	326	94.01	DNIC-ASBLK-05120-05376, US
30	9583	30428	0.34%	2049	14.85	SIFY-AS-IN Sify Limited, IN
31	263069	30254	0.34%	13	2327.23	BRT Comercio de Produtos de Informatica LTDA, BR
32	18403	29063	0.32%	4510	6.44	FPT-AS-AP FPT Telecom Company, VN
33	28657	28447	0.32%	2	14223.50	MD Brasil - Tecnologia da Informacao Ltda, BR
34	63376	26947	0.30%	2	13473.50	TOUCHTONE-CUSTS, US
35	44244	26534	0.30%	568	46.71	IRANCELL-AS, IR
36	174	25842	0.29%	3632	7.12	COGENT-174, US
37	211306	24898	0.28%	14	1778.43	TREADSTONE-AS, RO
38	8369	23575	0.26%	60	392.92	INTERSVYAZ-AS 38-B, Komsomolsky prospekt, RU
39	23673	23299	0.26%	136	171.32	ONLINE-AS Cogetel Online, Cambodia, ISP, KH
40	20940	22857	0.25%	4084	5.60	AKAMAI-ASN1, NL
41	984	22680	0.25%	1165	19.47	OWS-NETWORK, US
42	55836	22522	0.25%	1937	11.63	RELIANCEJIO-IN Reliance Jio Infocomm Limited, IN
43	37233	20379	0.23%	37	550.78	ORANGE-NIGER, NE
44	17561	20299	0.23%	1144	17.74	LCS-AS-AP LARUS Limited, HK
45	12479	20048	0.22%	7796	2.57	UNI2-AS, ES
46	24757	19621	0.22%	459	42.75	EthioNet-AS, ET
47	37020	19520	0.22%	58	336.55	CELTEL-DRC, CD
48	135905	19345	0.22%	322	60.08	VNPT-AS-VN VIETNAM POSTS AND TELECOMMUNICATIONS GROUP, VN
49	6327	19112	0.21%	3632	5.26	SHAW, CA
50	50010	18998	0.21%	667	28.48	NAWRAS-AS Sultanate of Oman, OM
Total		2517062	28.10%

50 Most active ASes for the past 14 days

RANK	ASN	UPDs/Prefix	%	Prefixes	UPDs	AS NAME
1	63376	26947.0	0.30%	2	26947	TOUCHTONE-CUSTS, US
2	28657	14223.5	0.32%	2	28447	MD Brasil - Tecnologia da Informacao Ltda, BR
3	138071	13236.0	0.15%	1	13236	IDNIC-PEMPROV-KALTENG-AS-ID PEMERINTAH PROVINSI KALIMANTAN TENGAH, ID
4	17794	12170.7	0.41%	13	36512	HTCL-ORANGE-HK-AP Hutchison Telephone Company Limited, HK
5	25048	11523.0	0.39%	5	34569	DSNET DSNet, GB
6	263561	6598.5	0.15%	4	13197	RODRIGO BORGHI DA SILVA & CIA LTDA, BR
7	209887	6512.0	0.07%	4	6512	BIESSE, IT
8	34615	6219.5	0.14%	2	12439	UNIVERSAL-EXPORTS Universal Exports, CH
9	213439	6102.0	0.07%	1	6102	GLS-HUNGARY, HU
10	397829	6071.0	0.07%	1	6071	SCC-INET-01, CA
11	16992	5485.4	0.61%	10	54854	FLT-15, US
12	396950	5123.0	0.06%	1	5123	COMSTBARTH-AS, FR
13	267660	4673.0	0.05%	5	4673	T & S SERVICO DE COMUNICACAO MULTIMIDIA LTDA, BR
14	265566	4585.2	0.20%	5	18341	TELESISTEMAS PENINSULARES SA DE CV, MX
15	211306	3556.9	0.28%	14	24898	TREADSTONE-AS, RO
16	139898	3509.0	0.04%	17	3509	DCL-AS-AP Digitec Communications Limited, PG
17	7954	3469.7	0.12%	3	10409	IMMENSE-NETWORKS, US
18	886	3374.0	0.04%	1	3374	SBH-IX-SERVICES, FR
19	40474	3283.0	0.07%	4	6566	IRONCLOUD, CA
20	265953	3240.0	0.14%	4	12960	INNOVA TECNOLOGIA E SERVICOS LTDA., BR
21	201643	3020.5	0.13%	4	12082	EGOV66-AS, RU
22	60900	2830.0	0.03%	1	2830	SSMIDGETECHNOLOGIES Ssmidge Technologies, US
23	2603	2713.0	0.03%	11	2713	NORDUNET, DK
24	45494	2657.0	0.03%	1	2657	LAHAI-SG NREN ASN for Misc. Root Servers and Community, NP
25	265389	2586.0	0.03%	1	2586	PAY USE MULTIMIDIA LTDA, BR
26	263069	2327.2	0.34%	13	30254	BRT Comercio de Produtos de Informatica LTDA, BR
27	8987	2277.1	0.18%	95	15940	AWS-GOVCLOUD AWS-GOVCLOUD, IE
28	32685	2162.0	0.02%	1	2162	AEG-VISION, US
29	136867	2065.7	0.07%	3	6197	IDNIC-TELKOMTELSTRA-AS-ID PT. Teltranet Aplikasi Solusi Telkomtelstra, ID
30	44623	2047.0	0.02%	1	2047	MEFIC Company MEFIC, SA
31	31104	1957.5	0.04%	2	3915	EVACY, FR
32	266337	1956.4	0.11%	5	9782	MARLON LIMA GOMES ME, BR
33	271482	1910.2	0.09%	5	7641	MEGA TELECOM FIBRA, BR
34	13341	1827.8	0.08%	5	7311	TRANQUILITY, US
35	34901	1755.3	0.06%	3	5266	GDC-AS, RU
36	56639	1748.0	0.02%	1	1748	LNET-COM-UA-AS, UA
37	137258	1718.0	0.02%	1	1718	SHIRAZI-AS-AP Shirazi Investments Pvt Ltd., PK
38	51408	1638.0	0.02%	1	1638	SIRIUS-AS, RU
39	150706	1634.1	0.51%	93	45756	HKZTCL-AS-AP Hong Kong Zhengxing Technology Co., Ltd., HK
40	131872	1578.5	0.04%	2	3157	IITP-AS-KR IITP, KR
41	211188	1478.0	0.02%	1	1478	ASBTSLTD, GB
42	395832	1415.0	0.03%	3	2830	IPRO-DA7, US
43	133841	1387.6	0.08%	7	6938	IDOLA-BROADBAND-AS-ID INDONESIA BROADBAND ACCESS - ANYWHERE, ID
44	50861	1295.0	0.01%	1	1295	RZVA-AS, UA
45	40138	1212.0	0.12%	12	10908	MDNET, US
46	262756	1210.6	0.16%	15	14527	Ligga Telecomunicacoes S.A., BR
47	139955	1156.7	0.08%	6	6940	DATAPRIME-AS-ID PT DATA PRIMA SOLUSINDO, ID
48	204318	1141.0	0.01%	1	1141	BGPTOOLS-QA, GB
49	131578	1133.0	0.01%	1	1133	BFSUNET Beijing Foreign Studies University, CN
50	50674	1091.0	0.01%
Total		204831.6	6.08%

50 Most active Prefixes for the past 14 days

RANK	PREFIX	UPDs	%	Origin AS -- AS NAME
1	177.46.36.0/24	32811	0.35%	28135 -- ASSOCIACAO NACIONAL PARA INCLUSAO DIGITAL - ANID, BR 53013 -- W I X NET DO BRASIL LTDA - ME, BR
2	177.46.39.0/24	31042	0.34%	28135 -- ASSOCIACAO NACIONAL PARA INCLUSAO DIGITAL - ANID, BR 53013 -- W I X NET DO BRASIL LTDA - ME, BR
3	168.0.128.0/22	29787	0.32%	263069 -- BRT Comercio de Produtos de Informatica LTDA, BR
4	138.99.97.0/24	28424	0.31%	28657 -- MD Brasil - Tecnologia da Informacao Ltda, BR 53013 -- W I X NET DO BRASIL LTDA - ME, BR
5	140.174.37.0/24	26947	0.29%	63376 -- TOUCHTONE-CUSTS, US
6	38.224.214.0/24	24342	0.26%	174 -- COGENT-174, US 53013 -- W I X NET DO BRASIL LTDA - ME, BR
7	124.248.160.0/19	23030	0.25%	23673 -- ONLINE-AS Cogetel Online, Cambodia, ISP, KH
8	188.213.84.0/23	20096	0.22%	20473 -- AS-VULTR, US
9	45.172.92.0/22	18299	0.20%	265566 -- TELESISTEMAS PENINSULARES SA DE CV, MX
10	77.89.192.0/22	16116	0.17%	25454 -- ASN-OMD-FNO Orange Moldova Fixed Network Autonomous System, MD
11	130.137.231.0/24	13872	0.15%	16509 -- AMAZON-02, US
12	103.123.24.0/23	13236	0.14%	138071 -- IDNIC-PEMPROV-KALTENG-AS-ID PEMERINTAH PROVINSI KALIMANTAN TENGAH, ID
13	186.251.12.0/22	13151	0.14%	263561 -- RODRIGO BORGHI DA SILVA & CIA LTDA, BR 53013 -- W I X NET DO BRASIL LTDA - ME, BR
14	202.181.232.0/23	13000	0.14%	7540 -- HKCIX-AS-AP HongKong Commercial Internet Exchange, HK
15	164.163.52.0/22	12882	0.14%	265953 -- INNOVA TECNOLOGIA E SERVICOS LTDA., BR
16	124.195.190.0/24	12755	0.14%	38684 -- CMBDAEJEON-AS-KR CMB Daejeon Broadcasting Co,.Ltd, KR
17	203.145.74.0/24	12191	0.13%	17794 -- HTCL-ORANGE-HK-AP Hutchison Telephone Company Limited, HK
18	203.145.78.0/24	12171	0.13%	17794 -- HTCL-ORANGE-HK-AP Hutchison Telephone Company Limited, HK
19	202.45.88.0/24	12150	0.13%	17794 -- HTCL-ORANGE-HK-AP Hutchison Telephone Company Limited, HK
20	185.68.100.0/22	12069	0.13%	201643 -- EGOV66-AS, RU
21	81.90.133.0/24	11528	0.12%	25048 -- DSNET DSNet, GB
22	81.90.139.0/24	11524	0.12%	25048 -- DSNET DSNet, GB
23	81.90.132.0/24	11517	0.12%	25048 -- DSNET DSNet, GB
24	173.26.161.0/24	10635	0.12%	30036 -- MEDIACOM-ENTERPRISE-BUSINESS, US
25	130.137.12.0/24	10500	0.11%	16509 -- AMAZON-02, US
26	207.167.116.0/22	10405	0.11%	7954 -- IMMENSE-NETWORKS, US
27	130.137.108.0/24	10270	0.11%	16509 -- AMAZON-02, US
28	170.238.114.0/24	9690	0.10%	262550 -- LUCAS NETWORK INFORMATICA LTDA ME, BR 266337 -- MARLON LIMA GOMES ME, BR 53013 -- W I X NET DO BRASIL LTDA - ME, BR
29	181.233.80.0/22	9663	0.10%	268314 -- EWERTON DA SILVA LOPES TELECOMUNICACOES, BR 271482 -- MEGA TELECOM FIBRA, BR
30	84.205.66.0/24	9463	0.10%	12654 -- RIPE-NCC-RIS-AS Reseaux IP Europeens Network Coordination Centre RIPE NCC, NL
31	195.114.123.0/24	8978	0.10%	8369 -- INTERSVYAZ-AS 38-B, Komsomolsky prospekt, RU
32	130.137.230.0/24	8619	0.09%	16509 -- AMAZON-02, US
33	189.89.81.0/24	8604	0.09%	262749 -- Andries & Cia Ltda, BR
34	130.137.127.0/24	8553	0.09%	16509 -- AMAZON-02, US
35	130.137.99.0/24	8537	0.09%	16509 -- AMAZON-02, US
36	130.137.130.0/24	8514	0.09%	16509 -- AMAZON-02, US
37	130.137.26.0/24	8479	0.09%	16509 -- AMAZON-02, US
38	130.137.227.0/24	8469	0.09%	16509 -- AMAZON-02, US
39	130.137.140.0/24	8469	0.09%	16509 -- AMAZON-02, US
40	173.82.108.0/24	8281	0.09%	16509 -- AMAZON-02, US
41	173.82.63.0/24	8249	0.09%	16509 -- AMAZON-02, US
42	173.82.67.0/24	8194	0.09%	16509 -- AMAZON-02, US
43	130.137.105.0/24	8158	0.09%	16509 -- AMAZON-02, US
44	130.137.121.0/24	8103	0.09%	8987 -- AWS-GOVCLOUD AWS-GOVCLOUD, IE
45	130.137.133.0/24	8091	0.09%	16509 -- AMAZON-02, US 53013 -- W I X NET DO BRASIL LTDA - ME, BR
46	130.137.111.0/24	8091	0.09%	16509 -- AMAZON-02, US
47	130.137.80.0/24	8086	0.09%	16509 -- AMAZON-02, US
48	130.137.28.0/24	8075	0.09%	16509 -- AMAZON-02, US
49	130.137.78.0/24	8071	0.09%	16509 -- AMAZON-02, US
50	130.137.79.0/24	8053	0.09%	16509 -- AMAZON-02, US
Total		650240	7.00%

14 Day BGP Profile: 21-May-2025 00:00 - 3-June-2025 23:59 (UTC+1000)

Number of BGP Update Messages:	20598948
Number of Prefix Updates:	8963646
Number of Prefix Withdrawals:	281101
Average Prefixes per BGP Update:	0.45
Average BGP Update Messages per second:	17.03
Average Prefix Updates per second:	7.64
Peak BGP Update Message Rate per second:	26551	(21:38:23 Sun, 1-Jun-2025)
Peak Prefix Update Rate per second:	3336	(18:29:18 Sat, 31-May-2025)
Peak Prefix Withdraw Rate per second:	15218	(03:08:51 Wed, 21-May-2025)
Prefix Count:	1028223
Updated Prefix Count:	583447
Stable Prefix Count:	444776
Origin AS Count:	76951
Updated Origin AS Count:	54504
Stable Origin AS Count:	22447
Unique Path Count:	578752
Updated Path Count:	420644
Stable Path Count:	158108

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.