The BGP Instability Report

The BGP Instability Report is updated daily. This report
was generated on 12 October 2025 06:26 (UTC+1000)

50 Most active ASes for the past 14 days

RANK	ASN	UPDs	%	Prefixes	UPDs/Prefix	AS NAME
1	8151	393229	3.81%	12520	31.41	UNINET, MX
2	18101	316843	3.07%	684	463.22	RELIANCE-COMMUNICATIONS-IN Reliance Communications Ltd.DAKC MUMBAI, IN
3	16509	304303	2.95%	14581	20.87	AMAZON-02, US
4	36903	92663	0.90%	1250	74.13	MT-MPLS, MA
5	4155	68042	0.66%	3146	21.63	USDA-1, US
6	15964	60021	0.58%	161	372.80	CAMNET-AS, CM
7	39891	57395	0.56%	4833	11.88	ALJAWWALSTC-AS, SA
8	203020	55814	0.54%	2074	26.91	HOSTROYALE, IN
9	12479	54661	0.53%	7628	7.17	UNI2-AS, ES
10	207990	52993	0.51%	1117	47.44	HR-CUSTOMER, IN
11	335	51972	0.50%	222	234.11	DNIC-ASBLK-00306-00371, US
12	11830	50123	0.49%	1991	25.17	Instituto Costarricense de Electricidad y Telecom., CR
13	37294	46505	0.45%	137	339.45	TNM, MW
14	138754	42328	0.41%	198	213.78	KVBPL-AS-IN Kerala Vision Broad Band Private Limited, IN
15	3302	38213	0.37%	54	707.65	AS-IRIDEOS, IT
16	58224	37010	0.36%	1184	31.26	TCI, IR
17	400619	36100	0.35%	351	102.85	AROSS-AS, US
18	36914	34231	0.33%	590	58.02	KENET-AS, KE
19	197207	33143	0.32%	838	39.55	MCCI-AS, IR
20	647	33132	0.32%	440	75.30	DNIC-ASBLK-00616-00665, US
21	9829	32600	0.32%	1871	17.42	BSNL-NIB National Internet Backbone, IN
22	12714	32220	0.31%	345	93.39	MEGAFON-AS Moscow, Russia, RU
23	10620	29772	0.29%	3518	8.46	Telmex Colombia S.A., CO
24	13188	29012	0.28%	1607	18.05	TRIOLAN, UA
25	11776	28442	0.28%	1908	14.91	ATLANTICBB-JOHNSTOWN, US
26	8452	28428	0.28%	1691	16.81	TE-AS TE-AS, EG
27	5371	27552	0.27%	295	93.40	DNIC-ASBLK-05120-05376, US
28	22773	26906	0.26%	4028	6.68	ASN-CXA-ALL-CCI-22773-RDC, US
29	11664	25286	0.24%	1244	20.33	Techtel LMDS Comunicaciones Interactivas S.A., AR
30	26615	25237	0.24%	1017	24.82	TIM SA, BR
31	7552	24338	0.24%	3959	6.15	VIETEL-AS-AP Viettel Group, VN
32	24835	23759	0.23%	1851	12.84	RAYA-AS, EG
33	42337	23448	0.23%	686	34.18	RESPINA-AS, IR
34	7155	23221	0.22%	3859	6.02	VIASAT-SP-BACKBONE, US
35	20473	21405	0.21%	1441	14.85	AS-VULTR, US
36	20940	21186	0.21%	4056	5.22	AKAMAI-ASN1, NL
37	13335	20816	0.20%	2381	8.74	CLOUDFLARENET, US
38	9498	20742	0.20%	4478	4.63	BBIL-AP BHARTI Airtel Ltd., IN
39	9009	20596	0.20%	4066	5.07	M247, RO
40	12389	20405	0.20%	3149	6.48	ROSTELECOM-AS PJSC Rostelecom. Technical Team, RU
41	7029	20269	0.20%	2426	8.35	WINDSTREAM, US
42	31133	19846	0.19%	439	45.21	MF-MGSM-AS PJSC MegaFon, RU
43	8369	19701	0.19%	58	339.67	INTERSVYAZ-AS 38-B, Komsomolsky prospekt, RU
44	4755	19139	0.19%	2190	8.74	TATACOMM-AS TATA Communications formerly VSNL is Leading ISP, IN
45	7713	19044	0.18%	3750	5.08	TELKOMNET-AS-AP PT Telekomunikasi Indonesia, ID
46	24757	18710	0.18%	470	39.81	EthioNet-AS, ET
47	396982	18407	0.18%	3280	5.61	GOOGLE-CLOUD-PLATFORM, US
48	19429	18339	0.18%	705	26.01	ETB - Colombia, CO
49	29571	18277	0.18%	1191	15.35	ORANGE-COTE-IVOIRE, CI
50	174	18007	0.17%	3488	5.16	COGENT-174, US
Total		2553831	24.76%

50 Most active ASes for the past 14 days

RANK	ASN	UPDs/Prefix	%	Prefixes	UPDs	AS NAME
1	149038	7810.5	0.15%	2	15621	UCGCL-AS-AP UNIQUE COMM GROUP COMPANY LIMITED, MM
2	400552	5382.5	0.10%	2	10765	ODYACAD-ASN, US
3	396950	5200.0	0.05%	1	5200	COMSTBARTH-AS, FR
4	29469	4006.0	0.04%	1	4006	GTU Khmelnitsky, Ukraine, UA
5	7954	3933.7	0.11%	3	11801	IMMENSE-NETWORKS, US
6	886	2970.0	0.03%	1	2970	SBH-IX-SERVICES, FR
7	25048	2243.8	0.11%	5	11219	DSNET DSNet, GB
8	214294	2056.3	0.06%	4	6169	NOOBNET, GB
9	10779	2040.0	0.04%	2	4080	STEPBROBD, US
10	329312	2019.0	0.02%	1	2019	Manano-Telecommunication-SARL, TD
11	212049	1993.0	0.02%	1	1993	NEBEL, DE
12	137258	1989.0	0.02%	1	1989	SHIRAZI-AS-AP Shirazi Investments Pvt Ltd., PK
13	21570	1878.0	0.02%	110	1878	ACI-1, CA
14	28657	1847.0	0.05%	3	5541	MD Brasil - Tecnologia da Informacao Ltda, BR
15	13341	1727.8	0.07%	5	6911	TRANQUILITY, US
16	269684	1721.7	0.05%	3	5165	LANFIBRA TELECOMUNICACOES - EIRELI, BR
17	207169	1683.0	0.02%	1	1683	BRAYDEN-NET, US
18	265566	1605.2	0.08%	5	8026	TELESISTEMAS PENINSULARES SA DE CV, MX
19	136867	1508.7	0.04%	3	4526	IDNIC-TELKOMTELSTRA-AS-ID PT. Teltranet Aplikasi Solusi Telkomtelstra, ID
20	52852	1461.0	0.07%	5	7305	Last Mile Telecom, BR
21	132793	1351.0	0.01%	1	1351	UPV-TACLOBAN-AS-AP University of the Philippines Visayas, Tacloban, PH
22	205610	1278.0	0.02%	2	2556	JAMESITS Jamesits Networks , CN
23	270168	1264.0	0.02%	2	2528	Alejandro Uballe Montoya, MX
24	328599	1192.3	0.03%	3	3577	Amanet-SARL, TD
25	199352	1180.0	0.01%	1	1180	AUTOVIE-AS, IT
26	204318	1042.0	0.01%	1	1042	BGPTOOLS-QA, GB
27	206169	1040.5	0.02%	2	2081	SGBL, LB
28	150442	1022.0	0.02%	2	2044	BFSACD-AS-AP Bangladesh Fire Service and Civil Defense, BD
29	42818	960.0	0.01%	1	960	AXITEA, IT
30	213847	956.0	0.01%	1	956	ASN-IREN, IT
31	27844	916.0	0.04%	4	3664	ETAPA EP, EC
32	40138	891.5	0.10%	12	10698	MDNET, US
33	328410	878.0	0.01%	1	878	FrogFoot-AS, ZA
34	60900	859.5	0.02%	2	1719	SSMIDGETECHNOLOGIES Ssmidge Technologies, CA
35	266207	792.7	0.07%	11	7134	Onitel Telecomunicacoes, BR
36	31222	776.0	0.02%	3	2328	ASN-TERRA, IT
37	57285	757.0	0.01%	1	757	UKRINFOSYSTEMS-AS, UA
38	44942	746.0	0.01%	9	746	DIGITALRETI-AS, IT
39	204614	746.0	0.01%	1	746	CHIESI-AS, IT
40	5602	744.4	0.10%	14	10422	AS-IRIDEOS-KP, IT
41	208496	743.0	0.01%	1	743	DAILYTELECOM, IT
42	206867	742.5	0.01%	2	1485	EASY_FIBRA_SRL, IT
43	204578	741.0	0.01%	1	741	ASN-AERIUSNETWORK, IT
44	139955	707.8	0.04%	6	4247	DATAPRIME-AS-ID PT DATA PRIMA SOLUSINDO, ID
45	3302	707.6	0.37%	54	38213	AS-IRIDEOS, IT
46	205042	690.0	0.01%	2	1380	FELKATEC, DE
47	151113	670.0	0.01%	2	1340	VKSPLTD-AS-IN VERITY KNOWLEDGE SOLUTIONS PRIVATE LIMITED, IN
48	48753	660.0	0.03%	11	2640	AVAHOHST, MD
49	51015	642.0	0.01%	2	1284	IP-ANDREEV-AS, RU
50	33603	640.0	0.02%
Total		81413	2.22%

50 Most active Prefixes for the past 14 days

RANK	PREFIX	UPDs	%	Origin AS -- AS NAME
1	207.167.116.0/22	11788	0.11%	7954 -- IMMENSE-NETWORKS, US
2	124.195.190.0/24	11162	0.10%	38684 -- CMBDAEJEON-AS-KR CMB Daejeon Broadcasting Co,.Ltd, KR
3	202.181.232.0/23	11145	0.10%	7540 -- HKCIX-AS-AP HongKong Commercial Internet Exchange, HK
4	130.137.231.0/24	10764	0.10%	16509 -- AMAZON-02, US
5	74.200.129.0/24	10752	0.10%	400552 -- ODYACAD-ASN, US
6	55.74.57.0/24	10472	0.10%	335 -- DNIC-ASBLK-00306-00371, US
7	55.74.56.0/24	10470	0.10%	335 -- DNIC-ASBLK-00306-00371, US
8	55.27.217.0/24	10150	0.10%	335 -- DNIC-ASBLK-00306-00371, US
9	55.27.56.0/24	10150	0.10%	335 -- DNIC-ASBLK-00306-00371, US
10	55.67.56.0/24	10133	0.10%	335 -- DNIC-ASBLK-00306-00371, US
11	186.83.117.0/24	8496	0.08%	10620 -- Telmex Colombia S.A., CO
12	130.137.108.0/24	8162	0.08%	16509 -- AMAZON-02, US
13	173.82.125.0/24	8102	0.08%	16509 -- AMAZON-02, US
14	103.177.86.0/24	8081	0.08%	149038 -- UCGCL-AS-AP UNIQUE COMM GROUP COMPANY LIMITED, MM
15	45.172.92.0/22	7993	0.08%	265566 -- TELESISTEMAS PENINSULARES SA DE CV, MX
16	130.137.12.0/24	7886	0.07%	16509 -- AMAZON-02, US
17	154.72.173.0/24	7702	0.07%	15964 -- CAMNET-AS, CM
18	103.177.87.0/24	7540	0.07%	149038 -- UCGCL-AS-AP UNIQUE COMM GROUP COMPANY LIMITED, MM
19	130.137.230.0/24	7513	0.07%	16509 -- AMAZON-02, US
20	177.86.122.0/23	7263	0.07%	52852 -- Last Mile Telecom, BR
21	130.137.219.0/24	7263	0.07%	16509 -- AMAZON-02, US
22	130.137.80.0/24	7118	0.07%	16509 -- AMAZON-02, US
23	173.82.66.0/24	7078	0.07%	16509 -- AMAZON-02, US
24	199.47.232.0/22	6879	0.06%	13341 -- TRANQUILITY, US
25	130.137.118.0/24	6852	0.06%	8987 -- AWS-GOVCLOUD AWS-GOVCLOUD, IE
26	130.137.79.0/24	6834	0.06%	16509 -- AMAZON-02, US
27	84.205.66.0/24	6700	0.06%	12654 -- RIPE-NCC-RIS-AS Reseaux IP Europeens Network Coordination Centre RIPE NCC, NL
28	173.82.63.0/24	6579	0.06%	16509 -- AMAZON-02, US
29	195.114.122.0/24	6520	0.06%	8369 -- INTERSVYAZ-AS 38-B, Komsomolsky prospekt, RU
30	195.114.123.0/24	6516	0.06%	8369 -- INTERSVYAZ-AS 38-B, Komsomolsky prospekt, RU
31	173.82.108.0/24	6438	0.06%	16509 -- AMAZON-02, US
32	173.82.67.0/24	6436	0.06%	16509 -- AMAZON-02, US
33	193.105.156.0/24	6423	0.06%	8369 -- INTERSVYAZ-AS 38-B, Komsomolsky prospekt, RU
34	130.137.105.0/24	6363	0.06%	16509 -- AMAZON-02, US
35	130.137.140.0/24	6286	0.06%	16509 -- AMAZON-02, US
36	130.137.127.0/24	6278	0.06%	16509 -- AMAZON-02, US
37	130.137.90.0/24	6222	0.06%	16509 -- AMAZON-02, US
38	130.137.124.0/24	6217	0.06%	16509 -- AMAZON-02, US
39	130.137.99.0/24	6209	0.06%	16509 -- AMAZON-02, US
40	130.137.89.0/24	6204	0.06%	14618 -- AMAZON-AES, US
41	130.137.26.0/24	6196	0.06%	16509 -- AMAZON-02, US
42	130.137.16.0/24	6193	0.06%	16509 -- AMAZON-02, US
43	130.137.130.0/24	6191	0.06%	16509 -- AMAZON-02, US
44	130.137.78.0/24	6146	0.06%	16509 -- AMAZON-02, US
45	130.137.47.0/24	6120	0.06%	16509 -- AMAZON-02, US
46	130.137.227.0/24	6119	0.06%	16509 -- AMAZON-02, US
47	130.137.85.0/24	6107	0.06%	16509 -- AMAZON-02, US
48	130.137.28.0/24	6104	0.06%	16509 -- AMAZON-02, US
49	130.137.150.0/24	6089	0.06%	16509 -- AMAZON-02, US
50	130.137.147.0/24	6067	0.06%	16509 -- AMAZON-02, US
Total		378471	3.59%

14 Day BGP Profile: 28-September-2025 00:00 - 11-October-2025 23:59 (UTC+1000)

Number of BGP Update Messages:	26621561
Number of Prefix Updates:	10323092
Number of Prefix Withdrawals:	325365
Average Prefixes per BGP Update:	0.40
Average BGP Update Messages per second:	22.01
Average Prefix Updates per second:	8.80
Peak BGP Update Message Rate per second:	74375	(22:00:43 Wed, 1-Oct-2025)
Peak Prefix Update Rate per second:	15073	(21:51:37 Wed, 1-Oct-2025)
Peak Prefix Withdraw Rate per second:	33704	(22:00:43 Wed, 1-Oct-2025)
Prefix Count:	1050992
Updated Prefix Count:	889937
Stable Prefix Count:	161055
Origin AS Count:	77488
Updated Origin AS Count:	71310
Stable Origin AS Count:	6178
Unique Path Count:	647078
Updated Path Count:	542050
Stable Path Count:	105028

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.