The BGP Instability Report

The BGP Instability Report is updated daily. This report
was generated on 14 May 2025 06:29 (UTC+1000)

50 Most active ASes for the past 14 days

RANK	ASN	UPDs	%	Prefixes	UPDs/Prefix	AS NAME
1	8151	477090	3.49%	12147	39.28	UNINET, MX
2	16509	400574	2.93%	14200	28.21	AMAZON-02, US
3	9829	186411	1.36%	1995	93.44	BSNL-NIB National Internet Backbone, IN
4	45899	107216	0.78%	3288	32.61	VNPT-AS-VN VNPT Corp, VN
5	36903	82194	0.60%	1250	65.76	MT-MPLS, MA
6	9808	79648	0.58%	10939	7.28	CHINAMOBILE-CN China Mobile Communications Group Co., Ltd., CN
7	7552	75090	0.55%	3922	19.15	VIETEL-AS-AP Viettel Group, VN
8	13188	68321	0.50%	1606	42.54	TRIOLAN, UA
9	19429	66775	0.49%	704	94.85	ETB - Colombia, CO
10	10620	66400	0.49%	3533	18.79	Telmex Colombia S.A., CO
11	5371	66360	0.49%	514	129.11	DNIC-ASBLK-05120-05376, US
12	28186	66317	0.49%	168	394.74	ITS TELECOMUNICACOES LTDA, BR
13	4155	65857	0.48%	2733	24.10	USDA-1, US
14	209181	55690	0.41%	44	1265.68	ZENEX5IVE-NL, GB
15	25048	55162	0.40%	5	11032.40	DSNET DSNet, GB
16	7713	54661	0.40%	3714	14.72	TELKOMNET-AS-AP PT Telekomunikasi Indonesia, ID
17	18403	49804	0.36%	4414	11.28	FPT-AS-AP FPT Telecom Company, VN
18	138077	46950	0.34%	30	1565.00	IDNIC-ABHINAWA-AS-ID PT Abhinawa Sumberdaya Asia, ID
19	4249	45099	0.33%	303	148.84	LILLY-AS, US
20	367	44604	0.33%	2714	16.43	DNIC-ASBLK-00306-00371, US
21	647	42627	0.31%	421	101.25	DNIC-ASBLK-00616-00665, US
22	21003	40112	0.29%	160	250.70	GPTC-AS, LY
23	58224	38707	0.28%	1178	32.86	TCI, IR
24	174	36946	0.27%	3862	9.57	COGENT-174, US
25	17794	35806	0.26%	13	2754.31	HTCL-ORANGE-HK-AP Hutchison Telephone Company Limited, HK
26	39891	34455	0.25%	4797	7.18	ALJAWWALSTC-AS, SA
27	20473	34304	0.25%	1299	26.41	AS-VULTR, US
28	984	33890	0.25%	1376	24.63	OWS, US
29	8551	33803	0.25%	1632	20.71	BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbone, IL
30	7545	31989	0.23%	6227	5.14	TPG-INTERNET-AP TPG Telecom Limited, AU
31	150706	31801	0.23%	105	302.87	HKZTCL-AS-AP Hong Kong Zhengxing Technology Co., Ltd., HK
32	62904	31717	0.23%	669	47.41	AS62904, US
33	36914	31608	0.23%	574	55.07	KENET-AS, KE
34	12479	30747	0.23%	7786	3.95	UNI2-AS, ES
35	263069	30423	0.22%	11	2765.73	BRT Comercio de Produtos de Informatica LTDA, BR
36	9583	30329	0.22%	1925	15.76	SIFY-AS-IN Sify Limited, IN
37	56611	30186	0.22%	7	4312.29	REBACOM-AS, NL
38	63376	29526	0.22%	2	14763.00	TOUCHTONE-CUSTS, US
39	29802	29494	0.22%	966	30.53	HVC-AS, US
40	52752	29097	0.21%	27	1077.67	Vegas Telecom Informatica Ltda., BR
41	11492	28573	0.21%	4727	6.04	CABLEONE, US
42	24863	28154	0.21%	1659	16.97	LINKdotNET-AS, EG
43	28657	27583	0.20%	2	13791.50	MD Brasil - Tecnologia da Informacao Ltda, BR
44	14713	25890	0.19%	13	1991.54	HBL-35-14713, US
45	4800	25755	0.19%	703	36.64	LINTASARTA-AS-AP PT Aplikanusa Lintasarta, ID
46	11830	25170	0.18%	1996	12.61	Instituto Costarricense de Electricidad y Telecom., CR
47	197207	25088	0.18%	756	33.19	MCCI-AS, IR
48	17049	24598	0.18%	63	390.44	MBO-NET, US
49	27775	24567	0.18%	323	76.06	Telecommunicationcompany Suriname - TeleSur, SR
50	23473	24289	0.18%	686	35.41	PAVLOVMEDIA, US
Total		3087457	22.57%

50 Most active ASes for the past 14 days

RANK	ASN	UPDs/Prefix	%	Prefixes	UPDs	AS NAME
1	401698	18357.0	0.13%	1	18357	NJCL-AS, US
2	63376	14763.0	0.22%	2	29526	TOUCHTONE-CUSTS, US
3	28657	13791.5	0.20%	2	27583	MD Brasil - Tecnologia da Informacao Ltda, BR
4	25048	11032.4	0.40%	5	55162	DSNET DSNet, GB
5	51408	7967.0	0.06%	1	7967	SIRIUS-AS, RU
6	397829	5971.0	0.04%	1	5971	SCC-INET-01, CA
7	396950	5536.0	0.04%	1	5536	COMSTBARTH-AS, FR
8	45494	5003.0	0.04%	1	5003	LAHAI-SG NREN ASN for Misc. Root Servers and Community, NP
9	50674	4813.0	0.04%	1	4813	SPBEX-AS, RU
10	201643	4798.2	0.14%	4	19193	EGOV66-AS, RU
11	29469	4717.0	0.03%	1	4717	GTU Khmelnitsky, Ukraine, UA
12	48090	4552.7	0.10%	3	13658	DMZHOST, GB
13	56611	4312.3	0.22%	7	30186	REBACOM-AS, NL
14	886	4220.0	0.03%	1	4220	SBH-IX-SERVICES, FR
15	7954	3890.7	0.09%	3	11672	IMMENSE-NETWORKS, US
16	211177	3858.0	0.03%	1	3858	MET-PIT-EN-CO-BV, NL
17	265566	3790.2	0.14%	5	18951	TELESISTEMAS PENINSULARES SA DE CV, MX
18	138071	3480.3	0.08%	3	10441	IDNIC-PEMPROV-KALTENG-AS-ID PEMERINTAH PROVINSI KALIMANTAN TENGAH, ID
19	17794	3255.1	0.26%	13	35806	HTCL-ORANGE-HK-AP Hutchison Telephone Company Limited, HK
20	263069	2765.7	0.22%	11	30423	BRT Comercio de Produtos de Informatica LTDA, BR
21	214119	2628.5	0.04%	2	5257	CYBERKITTENS, US
22	398781	2372.0	0.09%	5	11860	OSL-188, US
23	12220	2288.2	0.10%	7	13729	I-EVOLVE-TECHNOLOGY-SERVICES, US
24	215113	2263.0	0.03%	2	4526	VIHLTD, GB
25	199834	2150.3	0.05%	3	6451	IPSOLUS, SC
26	211865	2128.0	0.02%	1	2128	ASN-MONDOHITECH, IT
27	57717	2126.8	0.09%	6	12761	FBX-AS, NL
28	37723	2070.0	0.02%	1	2070	Cajutel-ASN, SL
29	136867	2035.7	0.04%	3	6107	IDNIC-TELKOMTELSTRA-AS-ID PT. Teltranet Aplikasi Solusi Telkomtelstra, ID
30	269270	2035.7	0.04%	3	6107	ANDRE FERREIRA LIMA SERVICOS DE COMUNICACAO, BR
31	14713	1991.5	0.19%	13	25890	HBL-35-14713, US
32	34901	1982.0	0.04%	3	5946	GDC-AS, RU
33	56639	1945.0	0.01%	1	1945	LNET-COM-UA-AS, UA
34	32685	1943.0	0.01%	1	1943	AEG-VISION, US
35	137258	1898.0	0.01%	1	1898	SHIRAZI-AS-AP Shirazi Investments Pvt Ltd., PK
36	215385	1634.0	0.02%	2	3268	ASN-ALONET, IT
37	328448	1591.0	0.01%	1	1591	Direction-Generale-Des-Impots-AS, BF
38	138077	1565.0	0.34%	30	46950	IDNIC-ABHINAWA-AS-ID PT Abhinawa Sumberdaya Asia, ID
39	45720	1539.0	0.01%	2	1539	IDNIC-LPDB-AS-ID Lembaga Pengelola Dana Bergulir, ID
40	31104	1533.5	0.02%	2	3067	EVACY, FR
41	13341	1508.0	0.06%	5	7540	TRANQUILITY, US
42	267660	1447.3	0.03%	5	4342	T & S SERVICO DE COMUNICACAO MULTIMIDIA LTDA, BR
43	216165	1440.0	0.01%	1	1440	HYPERNET, AM
44	131872	1342.0	0.02%	2	2684	IITP-AS-KR IITP, KR
45	211306	1318.8	0.14%	14	18463	TREADSTONE-AS, RO
46	50861	1304.0	0.01%	1	1304	RZVA-AS, UA
47	208337	1292.8	0.04%	4	5171	TELEMANAPOLI, IT
48	265626	1279.0	0.01%	1	1279	SITE TELECOM, MX
49	209181	1265.7	0.41%	44	55690	ZENEX5IVE-NL, GB
50	131578	1230.0	0.01%
Total		184021.9	4.43%

50 Most active Prefixes for the past 14 days

RANK	PREFIX	UPDs	%	Origin AS -- AS NAME
1	168.0.128.0/22	30249	0.22%	263069 -- BRT Comercio de Produtos de Informatica LTDA, BR
2	140.174.37.0/24	29518	0.21%	63376 -- TOUCHTONE-CUSTS, US
3	138.99.97.0/24	27496	0.20%	28657 -- MD Brasil - Tecnologia da Informacao Ltda, BR
4	38.224.214.0/24	27291	0.20%	174 -- COGENT-174, US
5	104.206.88.0/22	23408	0.17%	62904 -- AS62904, US
6	185.68.100.0/22	19177	0.14%	201643 -- EGOV66-AS, RU
7	45.172.92.0/22	18923	0.14%	265566 -- TELESISTEMAS PENINSULARES SA DE CV, MX
8	81.90.132.0/24	18400	0.13%	25048 -- DSNET DSNet, GB
9	81.90.133.0/24	18382	0.13%	25048 -- DSNET DSNet, GB
10	81.90.139.0/24	18376	0.13%	25048 -- DSNET DSNet, GB
11	23.135.82.0/24	18373	0.13%	206203 -- ASHNET-AS, US 401698 -- NJCL-AS, US
12	188.213.84.0/23	17101	0.12%	20473 -- AS-VULTR, US
13	77.89.192.0/22	16692	0.12%	25454 -- ASN-OMD-FNO Orange Moldova Fixed Network Autonomous System, MD
14	130.137.231.0/24	14071	0.10%	16509 -- AMAZON-02, US
15	202.181.232.0/23	13777	0.10%	7540 -- HKCIX-AS-AP HongKong Commercial Internet Exchange, HK
16	203.145.74.0/24	11978	0.09%	17794 -- HTCL-ORANGE-HK-AP Hutchison Telephone Company Limited, HK
17	202.45.88.0/24	11918	0.09%	17794 -- HTCL-ORANGE-HK-AP Hutchison Telephone Company Limited, HK
18	203.145.78.0/24	11902	0.09%	17794 -- HTCL-ORANGE-HK-AP Hutchison Telephone Company Limited, HK
19	207.167.116.0/22	11668	0.08%	7954 -- IMMENSE-NETWORKS, US
20	124.195.190.0/24	11645	0.08%	38684 -- CMBDAEJEON-AS-KR CMB Daejeon Broadcasting Co,.Ltd, KR
21	130.137.12.0/24	10578	0.08%	16509 -- AMAZON-02, US
22	103.123.24.0/23	10427	0.07%	138071 -- IDNIC-PEMPROV-KALTENG-AS-ID PEMERINTAH PROVINSI KALIMANTAN TENGAH, ID
23	130.137.108.0/24	9897	0.07%	16509 -- AMAZON-02, US
24	84.205.66.0/24	9668	0.07%	12654 -- RIPE-NCC-RIS-AS Reseaux IP Europeens Network Coordination Centre RIPE NCC, NL
25	130.137.227.0/24	8743	0.06%	16509 -- AMAZON-02, US
26	130.137.111.0/24	8734	0.06%	16509 -- AMAZON-02, US
27	130.137.105.0/24	8713	0.06%	16509 -- AMAZON-02, US
28	130.137.26.0/24	8712	0.06%	16509 -- AMAZON-02, US
29	130.137.99.0/24	8701	0.06%	16509 -- AMAZON-02, US
30	130.137.140.0/24	8687	0.06%	16509 -- AMAZON-02, US
31	130.137.127.0/24	8668	0.06%	16509 -- AMAZON-02, US
32	130.137.130.0/24	8632	0.06%	16509 -- AMAZON-02, US
33	142.202.234.0/24	8538	0.06%	14713 -- HBL-35-14713, US
34	204.109.52.0/22	8519	0.06%	14713 -- HBL-35-14713, US
35	208.87.48.0/22	8519	0.06%	14713 -- HBL-35-14713, US
36	173.82.67.0/24	8332	0.06%	16509 -- AMAZON-02, US
37	130.137.124.0/24	8242	0.06%	16509 -- AMAZON-02, US
38	130.137.133.0/24	8225	0.06%	16509 -- AMAZON-02, US
39	130.137.28.0/24	8172	0.06%	16509 -- AMAZON-02, US
40	130.137.78.0/24	8164	0.06%	16509 -- AMAZON-02, US
41	173.82.63.0/24	8127	0.06%	16509 -- AMAZON-02, US
42	130.137.219.0/24	8108	0.06%	16509 -- AMAZON-02, US
43	130.137.147.0/24	8083	0.06%	16509 -- AMAZON-02, US
44	130.137.121.0/24	8034	0.06%	8987 -- AMAZON EXPANSION, IE
45	130.137.102.0/24	8030	0.06%	16509 -- AMAZON-02, US
47	130.137.86.0/24	7958	0.06%	16509 -- AMAZON-02, US
48	103.223.2.0/24	7942	0.06%	135445 -- IDNIC-AIRPAY-AS-ID PT. Airpay International Indonesia, ID
49	130.137.90.0/24	7940	0.06%	16509 -- AMAZON-02, US
50	130.137.136.0/24	7934	0.06%	16509 -- AMAZON-02, US
Total		627340	4.52%

14 Day BGP Profile: 30-April-2025 00:00 - 13-May-2025 23:59 (UTC+1000)

Number of BGP Update Messages:	29074834
Number of Prefix Updates:	13659693
Number of Prefix Withdrawals:	304794
Average Prefixes per BGP Update:	0.48
Average BGP Update Messages per second:	24.04
Average Prefix Updates per second:	11.54
Peak BGP Update Message Rate per second:	57005	(21:21:42 Wed, 30-Apr-2025)
Peak Prefix Update Rate per second:	2691	(21:41:41 Wed, 30-Apr-2025)
Peak Prefix Withdraw Rate per second:	29752	(06:09:28 Wed, 7-May-2025)
Prefix Count:	1030372
Updated Prefix Count:	973893
Stable Prefix Count:	56479
Origin AS Count:	76912
Updated Origin AS Count:	74918
Stable Origin AS Count:	1994
Unique Path Count:	606917
Updated Path Count:	496240
Stable Path Count:	110677

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.