The BGP Instability Report

The BGP Instability Report is updated daily. This report
was generated on 03 December 2025 06:24 (UTC+1000)

50 Most active ASes for the past 14 days

RANK	ASN	UPDs	%	Prefixes	UPDs/Prefix	AS NAME
1	16509	330985	2.92%	14457	22.89	AMAZON-02, US
2	5413	271455	2.39%	98	2769.95	WAVENET-AS5413, GB
3	8151	217221	1.92%	12744	17.04	UNINET, MX
4	4538	162402	1.43%	5032	32.27	ERX-CERNET-BKB China Education and Research Network Center, CN
5	42337	126336	1.11%	689	183.36	RESPINA-AS, IR
6	18101	111407	0.98%	686	162.40	RELIANCE-COMMUNICATIONS-IN Reliance Communications Ltd.DAKC MUMBAI, IN
7	39891	103395	0.91%	4833	21.39	ALJAWWALSTC-AS, SA
8	7821	72890	0.64%	17	4287.65	ZAYO-MN, US
9	335	62761	0.55%	220	285.28	DNIC-ASBLK-00306-00371, US
10	9198	59194	0.52%	1024	57.81	KAZTELECOM-AS, KZ
11	10620	57488	0.51%	3459	16.62	Telmex Colombia S.A., CO
12	58224	57383	0.51%	1173	48.92	TCI, IR
13	36903	53785	0.47%	1250	43.03	MT-MPLS, MA
14	13188	52188	0.46%	1607	32.48	TRIOLAN, UA
15	197207	50190	0.44%	978	51.32	MCCI-AS, IR
16	45899	49601	0.44%	3328	14.90	VNPT-AS-VN VNPT Corp, VN
17	11776	47973	0.42%	1909	25.13	ATLANTICBB-JOHNSTOWN, US
18	135031	47484	0.42%	59	804.81	RNPL-AS-AP RI Networks Pvt. Ltd., IN
19	25184	47226	0.42%	226	208.96	AFRANET to AS62265 announce AS25184, IR
20	36914	45792	0.40%	584	78.41	KENET-AS, KE
21	15766	44550	0.39%	15	2970.00	DOMICILIUM-AS, IM
22	7552	42288	0.37%	4013	10.54	VIETEL-AS-AP Viettel Group, VN
23	210218	41895	0.37%	216	193.96	OPENFIBER-ITALY, IT
24	647	36461	0.32%	426	85.59	DNIC-ASBLK-00616-00665, US
25	36352	33952	0.30%	2924	11.61	AS-COLOCROSSING, US
26	22773	32274	0.28%	4787	6.74	ASN-CXA-ALL-CCI-22773-RDC, US
27	31148	31728	0.28%	555	57.17	FREENET_LLC, UA
28	24835	31239	0.28%	1986	15.73	RAYA-AS, EG
29	56	30756	0.27%	981	31.35	DNIC-AS-00056, US
30	212477	30083	0.27%	142	211.85	ROYALE-AS, NL
31	8452	29759	0.26%	2124	14.01	TE-AS TE-AS, EG
32	11492	28795	0.25%	4789	6.01	CABLEONE, US
33	9829	28563	0.25%	1864	15.32	BSNL-NIB National Internet Backbone, IN
34	9808	28096	0.25%	13608	2.06	CHINAMOBILE-CN China Mobile Communications Group Co., Ltd., CN
35	12252	28046	0.25%	717	39.12	America Movil Peru S.A.C., PE
36	12479	27369	0.24%	7391	3.70	UNI2-AS, ES
37	20940	26562	0.23%	4007	6.63	AKAMAI-ASN1, NL
38	11830	26161	0.23%	1992	13.13	Instituto Costarricense de Electricidad y Telecom., CR
39	12389	25541	0.23%	3173	8.05	ROSTELECOM-AS PJSC Rostelecom. Technical Team, RU
40	44244	25262	0.22%	686	36.83	IRANCELL-AS, IR
41	7029	22928	0.20%	2528	9.07	WINDSTREAM, US
42	3360	22810	0.20%	348	65.55	DXC-AS3360, US
43	37233	22708	0.20%	45	504.62	ORANGE-NIGER, NE
44	29091	22661	0.20%	90	251.79	IPNXng, NG
45	7713	22624	0.20%	3732	6.06	TELKOMNET-AS-AP PT Telekomunikasi Indonesia, ID
46	22884	22175	0.20%	1067	20.78	TOTAL PLAY TELECOMUNICACIONES SA DE CV, MX
47	367	22116	0.20%	1946	11.36	DNIC-ASBLK-00306-00371, US
48	37294	21671	0.19%	134	161.72	TNM, MW
49	21859	21254	0.19%	1601	13.28	ZEN-ECN, US
50	174	21020	0.19%	2763	7.61	COGENT-174, US
Total		2878503	25.37%

50 Most active ASes for the past 14 days

RANK	ASN	UPDs/Prefix	%	Prefixes	UPDs	AS NAME
1	208907	7450.0	0.07%	1	7450	RISING-BRIDGE-TECHNOLOGY, GB
2	396950	6812.0	0.06%	1	6812	COMSTBARTH-AS, FR
3	56644	4508.0	0.04%	2	4508	SYNFS-AS, GB
4	7821	4287.6	0.64%	17	72890	ZAYO-MN, US
5	33764	4247.0	0.04%	3	4247	AFRINIC-ZA-JNB-AS, MU
6	15766	4050.0	0.39%	15	44550	DOMICILIUM-AS, IM
7	7954	3903.3	0.10%	3	11710	IMMENSE-NETWORKS, US
8	886	3724.0	0.03%	1	3724	SBH-IX-SERVICES, FR
9	29469	3493.0	0.03%	1	3493	GTU Khmelnitsky, Ukraine, UA
10	52852	3437.5	0.06%	5	6875	Last Mile Telecom, BR
11	27892	3158.0	0.03%	1	3158	Universidad del Zulia, VE
12	45720	3151.0	0.03%	2	3151	IDNIC-LPDB-AS-ID Lembaga Pengelola Dana Bergulir, ID
13	5413	2769.9	2.39%	98	271455	WAVENET-AS5413, GB
14	213641	2505.0	0.02%	1	2505	AS213641, DE
15	25048	2474.3	0.07%	5	7423	DSNET DSNet, GB
16	149038	2191.0	0.04%	2	4382	UCGCL-AS-AP UNIQUE COMM GROUP COMPANY LIMITED, MM
17	269518	2152.0	0.04%	6	4304	INFIBRA TELECOM SERVICOS DE COMUNICACAO E TECNOLOG, BR
18	136867	2105.0	0.06%	3	6315	IDNIC-TELKOMTELSTRA-AS-ID PT. Teltranet Aplikasi Solusi Telkomtelstra, ID
19	36719	2043.0	0.02%	1	2043	MMU-53-AS-NET, US
20	329574	2028.0	0.02%	1	2028	Sierra_Leone_Research_and_Education_Netw, SL
21	21570	1855.0	0.02%	94	1855	ACI-1, CA
22	13341	1834.8	0.06%	5	7339	TRANQUILITY, US
23	265566	1590.8	0.06%	4	6363	TELESISTEMAS PENINSULARES SA DE CV, MX
24	395327	1417.0	0.01%	1	1417	BAYFEDCU, US
25	328811	1387.0	0.01%	1	1387	FCB-AS, MW
26	137258	1355.0	0.01%	1	1355	SHIRAZI-AS-AP Shirazi Investments Pvt Ltd., PK
27	28657	1334.7	0.04%	3	4004	MD Brasil - Tecnologia da Informacao Ltda, BR
28	150935	1320.7	0.03%	3	3962	IDNIC-PONOROGO-ID Dinas Komunikasi Informatika dan Statistik Kab. Ponorogo, ID
29	207633	1311.5	0.02%	2	2623	NOSSPEED, TR
30	41383	1274.0	0.02%	8	2548	WOLASN, GB
31	57670	1242.8	0.07%	6	7457	ASOPENWAY, UA
32	401017	1168.0	0.01%	1	1168	AAICE-ASN, US
33	40138	1114.7	0.12%	12	13376	MDNET, US
34	51897	1062.0	0.01%	1	1062	MIHAN, IR
35	328665	1058.0	0.02%	2	2116	ZRA-AS, ZM
36	149614	1056.0	0.01%	1	1056	TSIIPL-AS-IN TRANSACTION SOLUTIONS INTERNATIONAL INDIA PRIVATE LIMITED, IN
37	8613	1034.3	0.03%	3	3103	WAVENET-AS8613, GB
38	197320	1031.0	0.01%	1	1031	NPA-AS, GB
39	147117	1026.0	0.02%	2	2052	IDNIC-BLACKFAOS-AS-ID PT Blackfaos Data Nusantara, ID
40	12105	1023.0	0.02%	3	2046	GCN-001, US
41	211851	981.5	0.02%	2	1963	WEB9-YAZILIM-BILISIM-HIZMETLERI, TR
42	329454	938.0	0.01%	1	938	Vitel-Wireless, NG
43	12654	903.1	0.12%	22	13546	RIPE-NCC-RIS-AS Reseaux IP Europeens Network Coordination Centre RIPE NCC, NL
44	8791	893.3	0.02%	3	2680	FOEHN, GB
45	198918	872.0	0.06%	8	6976	MST-ZELDOL-AS MST Moskva Zeldol, RU
46	47585	864.4	0.06%	8	6915	YIGITHOSTING, TR
47	270168	853.7	0.02%	3	2561	Alejandro Uballe Montoya, MX
48	49565	848.0	0.01%	1	848	POLE-TELEKOM, TR
49	202004	847.0	0.01%	2	1694	GREENLAN-AS, PL
50	47516	820.0	0.05%
Total		104806.9	5.16%

50 Most active Prefixes for the past 14 days

RANK	PREFIX	UPDs	%	Origin AS -- AS NAME
1	207.167.116.0/22	11690	0.10%	7954 -- IMMENSE-NETWORKS, US
2	130.137.231.0/24	10767	0.09%	16509 -- AMAZON-02, US
3	124.195.190.0/24	10677	0.09%	38684 -- CMBDAEJEON-AS-KR CMB Daejeon Broadcasting Co,.Ltd, KR
4	55.74.57.0/24	10549	0.09%	335 -- DNIC-ASBLK-00306-00371, US
5	55.74.56.0/24	10528	0.09%	335 -- DNIC-ASBLK-00306-00371, US
6	55.27.217.0/24	10380	0.09%	335 -- DNIC-ASBLK-00306-00371, US
7	55.67.56.0/24	10374	0.09%	335 -- DNIC-ASBLK-00306-00371, US
8	55.27.56.0/24	10368	0.09%	335 -- DNIC-ASBLK-00306-00371, US
9	130.137.108.0/24	8525	0.07%	16509 -- AMAZON-02, US
10	173.82.125.0/24	8435	0.07%	16509 -- AMAZON-02, US
11	130.137.12.0/24	8376	0.07%	16509 -- AMAZON-02, US
12	186.83.117.0/24	7997	0.07%	10620 -- Telmex Colombia S.A., CO
13	130.137.230.0/24	7871	0.07%	16509 -- AMAZON-02, US
14	44.31.52.0/24	7450	0.06%	208907 -- RISING-BRIDGE-TECHNOLOGY, GB
15	199.47.232.0/22	7273	0.06%	13341 -- TRANQUILITY, US
16	173.82.66.0/24	7267	0.06%	16509 -- AMAZON-02, US
17	130.137.80.0/24	7217	0.06%	16509 -- AMAZON-02, US
18	130.137.219.0/24	7181	0.06%	16509 -- AMAZON-02, US
19	84.205.66.0/24	7120	0.06%	12654 -- RIPE-NCC-RIS-AS Reseaux IP Europeens Network Coordination Centre RIPE NCC, NL
20	130.137.118.0/24	7076	0.06%	8987 -- AWS-GOVCLOUD AWS-GOVCLOUD, IE
21	130.137.79.0/24	6947	0.06%	16509 -- AMAZON-02, US
22	177.86.122.0/23	6866	0.06%	52852 -- Last Mile Telecom, BR
23	185.212.75.0/24	6812	0.06%	396950 -- COMSTBARTH-AS, FR
24	195.114.122.0/24	6658	0.06%	8369 -- INTERSVYAZ-AS 38-B, Komsomolsky prospekt, RU
25	193.105.156.0/24	6603	0.06%	8369 -- INTERSVYAZ-AS 38-B, Komsomolsky prospekt, RU
26	195.114.123.0/24	6588	0.06%	8369 -- INTERSVYAZ-AS 38-B, Komsomolsky prospekt, RU
27	37.252.60.0/22	6581	0.06%	5413 -- WAVENET-AS5413, GB
28	173.82.108.0/24	6562	0.06%	16509 -- AMAZON-02, US
29	173.82.63.0/24	6562	0.06%	16509 -- AMAZON-02, US
30	5.252.36.0/22	6560	0.06%	5413 -- WAVENET-AS5413, GB
31	173.82.67.0/24	6557	0.06%	16509 -- AMAZON-02, US
32	45.83.76.0/22	6541	0.06%	5413 -- WAVENET-AS5413, GB
33	45.83.76.0/24	6541	0.06%	5413 -- WAVENET-AS5413, GB
34	5.22.224.0/21	6521	0.06%	5413 -- WAVENET-AS5413, GB
35	45.132.148.0/23	6497	0.06%	5413 -- WAVENET-AS5413, GB
36	130.137.89.0/24	6483	0.06%	14618 -- AMAZON-AES, US
37	130.137.127.0/24	6482	0.06%	16509 -- AMAZON-02, US
38	46.31.71.0/24	6456	0.06%	5413 -- WAVENET-AS5413, GB
39	130.137.124.0/24	6449	0.06%	16509 -- AMAZON-02, US
40	130.137.90.0/24	6438	0.06%	16509 -- AMAZON-02, US
41	130.137.130.0/24	6393	0.05%	16509 -- AMAZON-02, US
42	130.137.26.0/24	6384	0.05%	16509 -- AMAZON-02, US
43	173.82.129.0/24	6375	0.05%	16509 -- AMAZON-02, US
44	130.137.78.0/24	6304	0.05%	16509 -- AMAZON-02, US
45	45.172.92.0/22	6295	0.05%	265566 -- TELESISTEMAS PENINSULARES SA DE CV, MX
46	62.44.64.0/19	6286	0.05%	5413 -- WAVENET-AS5413, GB
47	130.137.99.0/24	6283	0.05%	16509 -- AMAZON-02, US
48	130.137.28.0/24	6282	0.05%	16509 -- AMAZON-02, US
49	62.69.32.0/19	6279	0.05%	5413 -- WAVENET-AS5413, GB
50	62.72.128.0/19	6277	0.05%	5413 -- WAVENET-AS5413, GB
Total		371983	3.20%

14 Day BGP Profile: 19-November-2025 00:00 - 2-December-2025 23:59 (UTC+1000)

Number of BGP Update Messages:	27240782
Number of Prefix Updates:	11337668
Number of Prefix Withdrawals:	310236
Average Prefixes per BGP Update:	0.43
Average BGP Update Messages per second:	22.52
Average Prefix Updates per second:	9.63
Peak BGP Update Message Rate per second:	65321	(19:59:10 Mon, 24-Nov-2025)
Peak Prefix Update Rate per second:	726	(03:30:28 Wed, 26-Nov-2025)
Peak Prefix Withdraw Rate per second:	29780	(05:08:02 Thu, 20-Nov-2025)
Prefix Count:	1060242
Updated Prefix Count:	791397
Stable Prefix Count:	268845
Origin AS Count:	77663
Updated Origin AS Count:	65954
Stable Origin AS Count:	11709
Unique Path Count:	585586
Updated Path Count:	442921
Stable Path Count:	142665

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.