The BGP Instability Report

The BGP Instability Report is updated daily. This report
was generated on 22 March 2025 06:23 (UTC+1000)

50 Most active ASes for the past 14 days

RANK	ASN	UPDs	%	Prefixes	UPDs/Prefix	AS NAME
1	16509	403940	3.83%	13181	30.65	AMAZON-02, US
2	7552	357244	3.39%	3922	91.09	VIETEL-AS-AP Viettel Group, VN
3	8151	178823	1.70%	11888	15.04	UNINET, MX
4	39891	127474	1.21%	4797	26.57	ALJAWWALSTC-AS, SA
5	209181	123082	1.17%	45	2735.16	ZENEX5IVE-NL, GB
6	9829	117575	1.11%	2034	57.80	BSNL-NIB National Internet Backbone, IN
7	984	110935	1.05%	1203	92.22	OWS, US
8	27715	105889	1.00%	599	176.78	Locaweb Servicos de Internet SA, BR
9	4268	97380	0.92%	7	13911.43	CERNET-ASN-BLOCK, US
10	37009	91769	0.87%	106	865.75	MTCASN, NA
11	17561	73723	0.70%	970	76.00	LCS-AS-AP LARUS Limited, HK
12	6057	73235	0.69%	575	127.37	Administracion Nacional de Telecomunicaciones, UY
13	45899	63294	0.60%	3286	19.26	VNPT-AS-VN VNPT Corp, VN
14	647	59383	0.56%	423	140.39	DNIC-ASBLK-00616-00665, US
15	50010	56192	0.53%	667	84.25	NAWRAS-AS Sultanate of Oman, OM
16	9009	51824	0.49%	3815	13.58	M247, RO
17	36914	47316	0.45%	568	83.30	KENET-AS, KE
18	25048	44742	0.42%	5	8948.40	DSNET DSNet, GB
19	5371	44255	0.42%	295	150.02	DNIC-ASBLK-05120-05376, US
20	58224	43582	0.41%	1427	30.54	TCI, IR
21	19429	41384	0.39%	703	58.87	ETB - Colombia, CO
22	17794	41365	0.39%	13	3181.92	HTCL-ORANGE-HK-AP Hutchison Telephone Company Limited, HK
23	28526	41113	0.39%	61	673.98	Universidad Autonoma del Estado de Mexico, MX
24	42337	38055	0.36%	689	55.23	RESPINA-AS, IR
25	36903	36325	0.34%	1249	29.08	MT-MPLS, MA
26	20940	35354	0.34%	4043	8.74	AKAMAI-ASN1, NL
27	29256	34129	0.32%	457	74.68	INT-PDN-STE-AS STE PDN Internal AS, SY
28	197207	33960	0.32%	753	45.10	MCCI-AS, IR
29	4155	33298	0.32%	2544	13.09	USDA-1, US
30	7713	32319	0.31%	3693	8.75	TELKOMNET-AS-AP PT Telekomunikasi Indonesia, ID
31	16625	31434	0.30%	3126	10.06	AKAMAI-AS, US
32	265626	31425	0.30%	1	31425.00	SITE TELECOM, MX
33	63376	30906	0.29%	2	15453.00	TOUCHTONE-CUSTS, US
34	18403	30393	0.29%	4447	6.83	FPT-AS-AP FPT Telecom Company, VN
35	9341	29355	0.28%	513	57.22	ICONPLN-ID-AP-ISP PT INDONESIA COMNETS PLUS, ID
36	367	29226	0.28%	2761	10.59	DNIC-ASBLK-00306-00371, US
37	24086	28531	0.27%	303	94.16	VIETTEL-AS-VN Viettel Corporation, VN
38	11830	26782	0.25%	1993	13.44	Instituto Costarricense de Electricidad y Telecom., CR
39	334	25341	0.24%	46	550.89	DNIC-ASBLK-00306-00371, US
40	9155	24529	0.23%	435	56.39	QNET Kuwait, KW
41	38623	24448	0.23%	546	44.78	VIETTELCAMBODIA-AS-AP ISPIXP IN CAMBODIA WITH THE BEST VERVICE IN THERE., KH
42	26615	24307	0.23%	1015	23.95	TIM SA, BR
43	4538	24195	0.23%	4924	4.91	ERX-CERNET-BKB China Education and Research Network Center, CN
44	13188	24157	0.23%	1606	15.04	TRIOLAN, UA
45	4181	23691	0.22%	1252	18.92	TDS-AS, US
46	9318	23138	0.22%	740	31.27	SKB-AS SK Broadband Co Ltd, KR
47	23673	22967	0.22%	136	168.88	ONLINE-AS Cogetel Online, Cambodia, ISP, KH
48	55836	22468	0.21%	1180	19.04	RELIANCEJIO-IN Reliance Jio Infocomm Limited, IN
49	399077	21233	0.20%	558	38.05	TERAEXCH, US
50	6503	21144	0.20%	1111	19.03	Axtel, S.A.B. de C.V., MX
Total		3158629	29.92%

50 Most active ASes for the past 14 days

RANK	ASN	UPDs/Prefix	%	Prefixes	UPDs	AS NAME
1	265626	31425.0	0.30%	1	31425	SITE TELECOM, MX
2	63376	30906.0	0.29%	2	30906	TOUCHTONE-CUSTS, US
3	25048	14914.0	0.42%	5	44742	DSNET DSNet, GB
4	4268	13911.4	0.92%	7	97380	CERNET-ASN-BLOCK, US
5	12220	13513.0	0.13%	7	13513	I-EVOLVE-TECHNOLOGY-SERVICES, US
6	7954	13101.0	0.12%	3	13101	IMMENSE-NETWORKS, US
7	327778	11920.0	0.11%	1	11920	bot-go-tz, TZ
8	28657	7080.0	0.13%	2	14160	MD Brasil - Tecnologia da Informacao Ltda, BR
9	266151	7047.0	0.20%	3	21141	Mania NET, BR
10	213606	6955.0	0.07%	1	6955	GAMER-HOST, CL
11	50674	5779.0	0.05%	1	5779	SPBEX-AS, RU
12	396950	5714.0	0.05%	1	5714	COMSTBARTH-AS, FR
13	46562	5345.0	0.05%	308	5345	PERFORMIVE, US
14	216138	5194.0	0.05%	1	5194	SKYQUANTUM-TELECOM, GB
15	263817	5011.0	0.05%	1	5011	REDCA - RED CENTROAMERICANA DE TELECOMUNICACIONES, NI
16	45494	4655.0	0.04%	1	4655	LAHAI-SG NREN ASN for Misc. Root Servers and Community, NP
17	886	4446.0	0.04%	1	4446	SBH-IX-SERVICES, FR
18	45720	3877.0	0.04%	2	3877	IDNIC-LPDB-AS-ID Lembaga Pengelola Dana Bergulir, ID
19	209181	3239.0	1.17%	45	123082	ZENEX5IVE-NL, GB
20	17794	3181.9	0.39%	13	41365	HTCL-ORANGE-HK-AP Hutchison Telephone Company Limited, HK
21	50872	2893.7	0.08%	3	8681	LOCALHOST, RS
22	205900	2375.0	0.02%	1	2375	APC-SOLUTIONS, GB
23	50365	2299.0	0.02%	3	2299	ORMAT-AS, IL
24	397829	2290.0	0.02%	1	2290	SCC-INET-01, CA
25	32685	2281.0	0.02%	1	2281	AEG-VISION, US
26	137258	2215.0	0.02%	1	2215	SHIRAZI-AS-AP Shirazi Investments Pvt Ltd., PK
27	328665	2208.0	0.04%	2	4416	ZRA-AS, ZM
28	136867	2028.0	0.06%	3	6084	IDNIC-TELKOMTELSTRA-AS-ID PT. Teltranet Aplikasi Solusi Telkomtelstra, ID
29	135445	1985.5	0.15%	8	15884	IDNIC-AIRPAY-AS-ID PT. Airpay International Indonesia, ID
30	395075	1973.0	0.02%	50	1973	AS-COPR, CA
31	38684	1941.3	0.11%	74	11648	CMBDAEJEON-AS-KR CMB Daejeon Broadcasting Co,.Ltd, KR
32	56639	1777.0	0.02%	1	1777	LNET-COM-UA-AS, UA
33	152817	1672.0	0.02%	1	1672	IDNIC-MAXILINE-AS-ID PT Manunggal Sistem Sejahtera, ID
34	37686	1654.0	0.02%	1	1654	ABUZ1-AS, NG
35	13341	1471.8	0.07%	5	7359	TRANQUILITY, US
36	215385	1420.5	0.03%	2	2841	ASN-ALONET, IT
37	55714	1358.4	0.13%	10	13584	APNIC-FIBERLINK-PK Fiberlink Pvt.Ltd, PK
38	28313	1340.8	0.13%	10	13408	Ci&T Software SA, BR
39	131578	1306.0	0.01%	1	1306	BFSUNET Beijing Foreign Studies University, CN
40	208337	1269.0	0.05%	4	5076	TELEMANAPOLI, IT
41	50861	1267.0	0.01%	1	1267	RZVA-AS, UA
42	266742	1263.5	0.05%	4	5054	SOLUCIONES DCN NETWORK C.A, VE
43	401394	1238.0	0.01%	1	1238	TRAFFICTECHINC-MTL, CA
44	153688	1174.7	0.03%	3	3524	NNO-AS-AP Ninja Network online, BD
45	29382	1136.0	0.02%	2	2272	UKRINFOSYSTEMS-AS, UA
46	204318	1131.0	0.01%	1	1131	BGPTOOLS-QA, GB
47	139955	1101.7	0.06%	6	6610	DATAPRIME-AS-ID PT DATA PRIMA SOLUSINDO, ID
48	150442	1100.5	0.02%	2	2201	BFSACD-AS-AP Bangladesh Fire Service and Civil Defense, BD
49	40138	1023.1	0.10%	12	10231	MDNET, US
50	149614	960.0	0.01%
Total		246368.8	5.98%

50 Most active Prefixes for the past 14 days

RANK	PREFIX	UPDs	%	Origin AS -- AS NAME
1	201.71.207.0/24	31425	0.29%	265626 -- SITE TELECOM, MX
2	140.174.37.0/24	30906	0.28%	63376 -- TOUCHTONE-CUSTS, US
3	160.238.104.0/22	21139	0.19%	266151 -- Mania NET, BR
4	124.248.160.0/19	20776	0.19%	23673 -- ONLINE-AS Cogetel Online, Cambodia, ISP, KH
5	38.224.214.0/24	16507	0.15%	174 -- COGENT-174, US
6	223.196.5.0/24	16275	0.15%	55644 -- VIL-AS-AP Vodafone Idea Ltd, IN
7	103.223.2.0/24	15801	0.15%	135445 -- IDNIC-AIRPAY-AS-ID PT. Airpay International Indonesia, ID
8	81.90.132.0/24	14929	0.14%	25048 -- DSNET DSNet, GB
9	81.90.139.0/24	14923	0.14%	25048 -- DSNET DSNet, GB
10	81.90.133.0/24	14890	0.14%	25048 -- DSNET DSNet, GB
11	134.24.153.0/24	14489	0.13%	4268 -- CERNET-ASN-BLOCK, US
12	134.24.125.0/24	14487	0.13%	4268 -- CERNET-ASN-BLOCK, US
13	134.24.123.0/24	14486	0.13%	4268 -- CERNET-ASN-BLOCK, US
14	134.24.100.0/24	14483	0.13%	4268 -- CERNET-ASN-BLOCK, US
15	138.99.97.0/24	14158	0.13%	28657 -- MD Brasil - Tecnologia da Informacao Ltda, BR
16	202.181.232.0/23	14028	0.13%	7540 -- HKCIX-AS-AP HongKong Commercial Internet Exchange, HK
17	203.145.74.0/24	13777	0.13%	17794 -- HTCL-ORANGE-HK-AP Hutchison Telephone Company Limited, HK
18	203.145.78.0/24	13774	0.13%	17794 -- HTCL-ORANGE-HK-AP Hutchison Telephone Company Limited, HK
19	202.45.88.0/24	13772	0.13%	17794 -- HTCL-ORANGE-HK-AP Hutchison Telephone Company Limited, HK
20	72.43.207.0/24	13513	0.12%	12220 -- I-EVOLVE-TECHNOLOGY-SERVICES, US
21	209.187.224.0/19	13170	0.12%	4268 -- CERNET-ASN-BLOCK, US
22	173.30.250.0/24	13163	0.12%	30036 -- MEDIACOM-ENTERPRISE-BUSINESS, US
23	199.105.192.0/20	13141	0.12%	4268 -- CERNET-ASN-BLOCK, US
24	206.18.128.0/17	13124	0.12%	4268 -- CERNET-ASN-BLOCK, US
25	207.167.116.0/22	13101	0.12%	7954 -- IMMENSE-NETWORKS, US
26	130.137.231.0/24	12807	0.12%	16509 -- AMAZON-02, US
27	196.13.186.0/24	11920	0.11%	327778 -- bot-go-tz, TZ
28	124.195.190.0/24	11630	0.11%	38684 -- CMBDAEJEON-AS-KR CMB Daejeon Broadcasting Co,.Ltd, KR
29	130.137.12.0/24	10427	0.10%	16509 -- AMAZON-02, US
30	130.137.108.0/24	9922	0.09%	16509 -- AMAZON-02, US
31	84.205.66.0/24	9398	0.09%	12654 -- RIPE-NCC-RIS-AS Reseaux IP Europeens Network Coordination Centre RIPE NCC, NL
32	130.137.124.0/24	8937	0.08%	16509 -- AMAZON-02, US
33	130.137.111.0/24	8919	0.08%	16509 -- AMAZON-02, US
34	130.137.133.0/24	8866	0.08%	16509 -- AMAZON-02, US
35	130.137.81.0/24	8790	0.08%	16509 -- AMAZON-02, US
36	130.137.28.0/24	8776	0.08%	16509 -- AMAZON-02, US
37	130.137.86.0/24	8770	0.08%	16509 -- AMAZON-02, US
38	130.137.147.0/24	8747	0.08%	16509 -- AMAZON-02, US
39	130.137.150.0/24	8678	0.08%	16509 -- AMAZON-02, US
40	130.137.136.0/24	8670	0.08%	16509 -- AMAZON-02, US
41	130.137.85.0/24	8606	0.08%	16509 -- AMAZON-02, US
42	130.137.227.0/24	8525	0.08%	16509 -- AMAZON-02, US
43	130.137.127.0/24	8487	0.08%	16509 -- AMAZON-02, US
44	130.137.16.0/24	8485	0.08%	16509 -- AMAZON-02, US
45	130.137.141.0/24	8411	0.08%	16509 -- AMAZON-02, US
46	130.137.26.0/24	8394	0.08%	16509 -- AMAZON-02, US
47	173.82.63.0/24	8394	0.08%	16509 -- AMAZON-02, US
48	130.137.130.0/24	8387	0.08%	16509 -- AMAZON-02, US
49	130.137.47.0/24	8380	0.08%	16509 -- AMAZON-02, US
50	130.137.99.0/24	8362	0.08%	16509 -- AMAZON-02, US
Total		633925	5.85%

14 Day BGP Profile: 8-March-2025 00:00 - 21-March-2025 23:59 (UTC+1000)

Number of BGP Update Messages:	23235543
Number of Prefix Updates:	10547206
Number of Prefix Withdrawals:	331449
Average Prefixes per BGP Update:	0.47
Average BGP Update Messages per second:	19.21
Average Prefix Updates per second:	8.99
Peak BGP Update Message Rate per second:	30602	(16:34:28 Thu, 20-Mar-2025)
Peak Prefix Update Rate per second:	3297	(17:17:42 Mon, 10-Mar-2025)
Peak Prefix Withdraw Rate per second:	18367	(09:48:31 Tue, 18-Mar-2025)
Prefix Count:	1021335
Updated Prefix Count:	574707
Stable Prefix Count:	446628
Origin AS Count:	76771
Updated Origin AS Count:	55849
Stable Origin AS Count:	20922
Unique Path Count:	571590
Updated Path Count:	417390
Stable Path Count:	154200

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.