The BGP Instability Report

The BGP Instability Report is updated daily. This report
was generated on 30 November 2025 06:24 (UTC+1000)

50 Most active ASes for the past 14 days

RANK	ASN	UPDs	%	Prefixes	UPDs/Prefix	AS NAME
1	16509	338252	3.19%	14502	23.32	AMAZON-02, US
2	5413	273046	2.58%	98	2786.18	WAVENET-AS5413, GB
3	8151	255744	2.41%	12736	20.08	UNINET, MX
4	42337	128608	1.21%	689	186.66	RESPINA-AS, IR
5	18101	120702	1.14%	687	175.69	RELIANCE-COMMUNICATIONS-IN Reliance Communications Ltd.DAKC MUMBAI, IN
6	7821	72789	0.69%	17	4281.71	ZAYO-MN, US
7	58224	69566	0.66%	1171	59.41	TCI, IR
8	335	64131	0.61%	220	291.50	DNIC-ASBLK-00306-00371, US
9	39891	63788	0.60%	4833	13.20	ALJAWWALSTC-AS, SA
10	197207	59741	0.56%	1086	55.01	MCCI-AS, IR
11	36903	57556	0.54%	1250	46.04	MT-MPLS, MA
12	10620	55515	0.52%	3458	16.05	Telmex Colombia S.A., CO
13	13188	50066	0.47%	1608	31.14	TRIOLAN, UA
14	135031	49637	0.47%	80	620.46	RNPL-AS-AP RI Networks Pvt. Ltd., IN
15	45899	48608	0.46%	3327	14.61	VNPT-AS-VN VNPT Corp, VN
16	36914	48061	0.45%	582	82.58	KENET-AS, KE
17	15766	45563	0.43%	15	3037.53	DOMICILIUM-AS, IM
18	11776	44576	0.42%	1909	23.35	ATLANTICBB-JOHNSTOWN, US
19	210218	42185	0.40%	216	195.30	OPENFIBER-ITALY, IT
20	647	39268	0.37%	427	91.96	DNIC-ASBLK-00616-00665, US
21	31148	33916	0.32%	556	61.00	FREENET_LLC, UA
22	7552	33257	0.31%	4042	8.23	VIETEL-AS-AP Viettel Group, VN
23	36352	32740	0.31%	2860	11.45	AS-COLOCROSSING, US
24	22773	32558	0.31%	4789	6.80	ASN-CXA-ALL-CCI-22773-RDC, US
25	25184	31486	0.30%	226	139.32	AFRANET to AS62265 announce AS25184, IR
26	56	30319	0.29%	949	31.95	DNIC-AS-00056, US
27	8452	28794	0.27%	2122	13.57	TE-AS TE-AS, EG
28	9808	27650	0.26%	13604	2.03	CHINAMOBILE-CN China Mobile Communications Group Co., Ltd., CN
29	20940	27259	0.26%	4008	6.80	AKAMAI-ASN1, NL
30	44244	26234	0.25%	670	39.16	IRANCELL-AS, IR
31	37294	26053	0.25%	134	194.43	TNM, MW
32	6147	25975	0.25%	1279	20.31	Telefonica del Peru S.A.A., PE
33	24835	25432	0.24%	1986	12.81	RAYA-AS, EG
34	12389	25336	0.24%	3174	7.98	ROSTELECOM-AS PJSC Rostelecom. Technical Team, RU
35	12479	25267	0.24%	7392	3.42	UNI2-AS, ES
36	9829	24871	0.23%	1864	13.34	BSNL-NIB National Internet Backbone, IN
37	11492	24768	0.23%	4789	5.17	CABLEONE, US
38	22884	24727	0.23%	1064	23.24	TOTAL PLAY TELECOMUNICACIONES SA DE CV, MX
39	37233	23578	0.22%	45	523.96	ORANGE-NIGER, NE
40	7029	23267	0.22%	2635	8.83	WINDSTREAM, US
41	174	22944	0.22%	2822	8.13	COGENT-174, US
42	12252	22604	0.21%	716	31.57	America Movil Peru S.A.C., PE
43	367	22418	0.21%	1951	11.49	DNIC-ASBLK-00306-00371, US
44	11830	21676	0.20%	1992	10.88	Instituto Costarricense de Electricidad y Telecom., CR
45	16625	20829	0.20%	3019	6.90	AKAMAI-AS, US
46	17561	20480	0.19%	2998	6.83	LCS-AS-AP LARUS Limited, HK
47	13335	20383	0.19%	2412	8.45	CLOUDFLARENET, US
48	8369	20249	0.19%	59	343.20	INTERSVYAZ-AS 38-B, Komsomolsky prospekt, RU
49	212477	20172	0.19%	142	142.06	ROYALE-AS, NL
50	6503	20127	0.19%	733	27.46	Axtel, S.A.B. de C.V., MX
Total		2692771	25.40%

50 Most active ASes for the past 14 days

RANK	ASN	UPDs/Prefix	%	Prefixes	UPDs	AS NAME
1	208907	7078.0	0.07%	1	7078	RISING-BRIDGE-TECHNOLOGY, GB
2	396950	5417.0	0.05%	1	5417	COMSTBARTH-AS, FR
3	56644	4636.0	0.04%	2	4636	SYNFS-AS, GB
4	27892	4605.0	0.04%	1	4605	Universidad del Zulia, VE
5	7821	4281.7	0.69%	17	72789	ZAYO-MN, US
6	7954	3966.0	0.11%	3	11898	IMMENSE-NETWORKS, US
7	29469	3476.0	0.03%	1	3476	GTU Khmelnitsky, Ukraine, UA
8	52852	3328.5	0.06%	5	6657	Last Mile Telecom, BR
9	15766	3037.5	0.43%	15	45563	DOMICILIUM-AS, IM
10	5413	2786.2	2.58%	98	273046	WAVENET-AS5413, GB
11	45720	2678.0	0.03%	2	2678	IDNIC-LPDB-AS-ID Lembaga Pengelola Dana Bergulir, ID
12	136867	2199.3	0.06%	3	6598	IDNIC-TELKOMTELSTRA-AS-ID PT. Teltranet Aplikasi Solusi Telkomtelstra, ID
13	33764	2159.5	0.04%	3	4319	AFRINIC-ZA-JNB-AS, MU
14	265566	2105.0	0.06%	4	6315	TELESISTEMAS PENINSULARES SA DE CV, MX
15	149038	2091.5	0.04%	2	4183	UCGCL-AS-AP UNIQUE COMM GROUP COMPANY LIMITED, MM
16	21570	1866.0	0.02%	94	1866	ACI-1, CA
17	13341	1865.0	0.07%	5	7460	TRANQUILITY, US
18	213641	1818.0	0.02%	1	1818	AS213641, DE
19	198918	1763.8	0.07%	8	7055	MST-ZELDOL-AS MST Moskva Zeldol, RU
20	36719	1728.0	0.02%	1	1728	MMU-53-AS-NET, US
21	264534	1676.0	0.02%	1	1676	SPOT PROMOCOES, EVENTOS E MERCHAND LTDA, BR
22	137258	1640.0	0.02%	1	1640	SHIRAZI-AS-AP Shirazi Investments Pvt Ltd., PK
23	329574	1586.0	0.01%	1	1586	Sierra_Leone_Research_and_Education_Netw, SL
24	13995	1574.0	0.01%	1	1574	PDRINET1, US
25	25048	1474.4	0.07%	5	7372	DSNET DSNet, GB
26	265606	1396.8	0.07%	15	6984	DIGY NETWORKS, MX
27	12105	1363.0	0.01%	3	1363	GCN-001, US
28	269518	1357.2	0.05%	6	5429	INFIBRA TELECOM SERVICOS DE COMUNICACAO E TECNOLOG, BR
29	28657	1335.7	0.04%	3	4007	MD Brasil - Tecnologia da Informacao Ltda, BR
30	328811	1311.0	0.01%	1	1311	FCB-AS, MW
31	395327	1224.0	0.01%	1	1224	BAYFEDCU, US
32	150935	1138.3	0.03%	3	3415	IDNIC-PONOROGO-ID Dinas Komunikasi Informatika dan Statistik Kab. Ponorogo, ID
33	28438	1130.0	0.04%	53	4520	IP Matrix, S.A. de C.V., MX
34	40138	1084.5	0.12%	12	13014	MDNET, US
35	328665	1037.5	0.02%	2	2075	ZRA-AS, ZM
36	149614	1022.0	0.01%	1	1022	TSIIPL-AS-IN TRANSACTION SOLUTIONS INTERNATIONAL INDIA PRIVATE LIMITED, IN
37	886	1003.0	0.01%	1	1003	SBH-IX-SERVICES, FR
38	12654	970.5	0.13%	22	13587	RIPE-NCC-RIS-AS Reseaux IP Europeens Network Coordination Centre RIPE NCC, NL
39	207633	968.0	0.02%	2	1936	NOSSPEED, TR
40	202004	964.5	0.02%	2	1929	GREENLAN-AS, PL
41	197320	951.0	0.01%	1	951	NPA-AS, GB
42	136501	926.6	0.07%	20	7413	HKBNES-AS-AP HKBN Enterprise Solutions HK Limited, HK
43	8613	921.7	0.03%	3	2765	WAVENET-AS8613, GB
44	49565	893.0	0.01%	1	893	POLE-TELEKOM, TR
45	209940	885.0	0.01%	1	885	SILICONFARM, FR
46	8791	856.7	0.02%	3	2570	FOEHN, GB
47	401017	843.0	0.01%	1	843	AAICE-ASN, US
48	151113	829.0	0.02%	2	1658	VKSPLTD-AS-IN VERITY KNOWLEDGE SOLUTIONS PRIVATE LIMITED, IN
49	270168	820.3	0.02%	3	2461	Alejandro Uballe Montoya, MX
50	57670	813.0	0.05%
Total		96881.7	5.50%

50 Most active Prefixes for the past 14 days

RANK	PREFIX	UPDs	%	Origin AS -- AS NAME
1	207.167.116.0/22	11878	0.11%	7954 -- IMMENSE-NETWORKS, US
2	55.74.56.0/24	10772	0.10%	335 -- DNIC-ASBLK-00306-00371, US
3	55.74.57.0/24	10764	0.10%	335 -- DNIC-ASBLK-00306-00371, US
4	130.137.231.0/24	10704	0.10%	16509 -- AMAZON-02, US
5	55.27.217.0/24	10541	0.10%	335 -- DNIC-ASBLK-00306-00371, US
6	55.67.56.0/24	10528	0.10%	335 -- DNIC-ASBLK-00306-00371, US
7	55.27.56.0/24	10526	0.10%	335 -- DNIC-ASBLK-00306-00371, US
8	124.195.190.0/24	10441	0.10%	38684 -- CMBDAEJEON-AS-KR CMB Daejeon Broadcasting Co,.Ltd, KR
9	130.137.108.0/24	8632	0.08%	16509 -- AMAZON-02, US
10	173.82.125.0/24	8505	0.08%	16509 -- AMAZON-02, US
11	130.137.12.0/24	8439	0.08%	16509 -- AMAZON-02, US
12	186.83.117.0/24	7816	0.07%	10620 -- Telmex Colombia S.A., CO
13	130.137.230.0/24	7804	0.07%	16509 -- AMAZON-02, US
14	199.47.232.0/22	7401	0.07%	13341 -- TRANQUILITY, US
15	130.137.80.0/24	7257	0.07%	16509 -- AMAZON-02, US
16	173.82.66.0/24	7232	0.07%	16509 -- AMAZON-02, US
17	130.137.219.0/24	7167	0.07%	16509 -- AMAZON-02, US
18	84.205.66.0/24	7163	0.07%	12654 -- RIPE-NCC-RIS-AS Reseaux IP Europeens Network Coordination Centre RIPE NCC, NL
19	130.137.118.0/24	7153	0.07%	8987 -- AWS-GOVCLOUD AWS-GOVCLOUD, IE
20	130.137.79.0/24	7110	0.07%	16509 -- AMAZON-02, US
21	44.31.52.0/24	7081	0.06%	208453 -- SWEHOST-NET, SE 208907 -- RISING-BRIDGE-TECHNOLOGY, GB
22	195.114.122.0/24	6752	0.06%	8369 -- INTERSVYAZ-AS 38-B, Komsomolsky prospekt, RU
23	37.252.60.0/22	6745	0.06%	5413 -- WAVENET-AS5413, GB
24	5.252.36.0/22	6740	0.06%	5413 -- WAVENET-AS5413, GB
25	45.83.76.0/22	6731	0.06%	5413 -- WAVENET-AS5413, GB
26	45.83.76.0/24	6729	0.06%	5413 -- WAVENET-AS5413, GB
27	5.22.224.0/21	6707	0.06%	5413 -- WAVENET-AS5413, GB
28	45.132.148.0/23	6690	0.06%	5413 -- WAVENET-AS5413, GB
29	177.86.122.0/23	6643	0.06%	52852 -- Last Mile Telecom, BR
30	46.31.71.0/24	6639	0.06%	5413 -- WAVENET-AS5413, GB
31	173.82.108.0/24	6622	0.06%	16509 -- AMAZON-02, US
32	195.114.123.0/24	6619	0.06%	8369 -- INTERSVYAZ-AS 38-B, Komsomolsky prospekt, RU
33	193.105.156.0/24	6608	0.06%	8369 -- INTERSVYAZ-AS 38-B, Komsomolsky prospekt, RU
34	173.82.67.0/24	6585	0.06%	16509 -- AMAZON-02, US
35	103.104.136.0/24	6557	0.06%	136867 -- IDNIC-TELKOMTELSTRA-AS-ID PT. Teltranet Aplikasi Solusi Telkomtelstra, ID
36	173.82.63.0/24	6533	0.06%	16509 -- AMAZON-02, US
37	130.137.89.0/24	6509	0.06%	14618 -- AMAZON-AES, US
38	130.137.90.0/24	6506	0.06%	16509 -- AMAZON-02, US
39	130.137.127.0/24	6456	0.06%	16509 -- AMAZON-02, US
40	62.44.64.0/19	6438	0.06%	5413 -- WAVENET-AS5413, GB
41	62.69.32.0/19	6433	0.06%	5413 -- WAVENET-AS5413, GB
42	62.72.128.0/19	6431	0.06%	5413 -- WAVENET-AS5413, GB
43	130.137.130.0/24	6429	0.06%	16509 -- AMAZON-02, US
44	62.105.64.0/18	6427	0.06%	5413 -- WAVENET-AS5413, GB
45	62.232.0.0/16	6409	0.06%	5413 -- WAVENET-AS5413, GB
46	130.137.26.0/24	6390	0.06%	16509 -- AMAZON-02, US
47	130.137.124.0/24	6389	0.06%	16509 -- AMAZON-02, US
48	173.82.129.0/24	6374	0.06%	16509 -- AMAZON-02, US
49	130.137.78.0/24	6364	0.06%	16509 -- AMAZON-02, US
50	130.137.47.0/24	6337	0.06%	16509 -- AMAZON-02, US
Total		374706	3.48%

14 Day BGP Profile: 16-November-2025 00:00 - 29-November-2025 23:59 (UTC+1000)

Number of BGP Update Messages:	25905034
Number of Prefix Updates:	10595553
Number of Prefix Withdrawals:	323044
Average Prefixes per BGP Update:	0.42
Average BGP Update Messages per second:	21.42
Average Prefix Updates per second:	9.03
Peak BGP Update Message Rate per second:	65321	(19:59:10 Mon, 24-Nov-2025)
Peak Prefix Update Rate per second:	734	(05:02:29 Sun, 16-Nov-2025)
Peak Prefix Withdraw Rate per second:	29061	(05:08:02 Thu, 20-Nov-2025)
Prefix Count:	1059724
Updated Prefix Count:	792257
Stable Prefix Count:	267467
Origin AS Count:	77633
Updated Origin AS Count:	66929
Stable Origin AS Count:	10704
Unique Path Count:	585142
Updated Path Count:	444287
Stable Path Count:	140855

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.