The BGP IPv6 Instability Report

This report is updated daily. The current report
was generated on 16 November 2025 01:21 (UTC+1000)

50 Most active ASes for the past 14 days

RANK	ASN	UPDs	%	Prefixes	UPDs/Prefix	AS NAME
1	214028	934832	18.86%	1	934832.00	MAHDI-UMRAN, ID
2	202256	464851	9.38%	1174	395.95	LAWLIETNET, CN
3	7552	364233	7.35%	3958	92.02	VIETEL-AS-AP Viettel Group, VN
4	199340	138168	2.79%	4813	28.71	HONG-GUANWAN, HK
5	22616	133120	2.69%	37	3597.84	ZSCALER-SJC1, US
6	16509	103506	2.09%	5508	18.79	AMAZON-02, US
7	40138	79710	1.61%	41	1944.15	MDNET, US
8	51559	76413	1.54%	98	779.72	NETINTERNET Netinternet Bilisim Teknolojileri AS, TR
9	42375	74317	1.50%	260	285.83	INET-AS, SC
10	38266	63185	1.27%	1387	45.56	VIL-AS-AP Vodafone Idea Ltd, IN
11	203062	58838	1.19%	20	2941.90	ALEXANDRE-ROUX-ASRINFOPRO Alexandre Roux trading as ASR INFOPRO, FR
12	48456	57028	1.15%	180	316.82	IPX-AS, AE
13	23736	53342	1.08%	46	1159.61	TTSSB-MY TM TECHNOLOGY SERVICES SDN. BHD., MY
14	267943	47739	0.96%	16	2983.69	SOL PROVEDOR DE INTERNETE LTDA - ME, BR
15	10103	43880	0.89%	12	3656.67	HKBN-AS-AP HK Broadband Network Ltd., HK
16	211894	43141	0.87%	8	5392.62	UNGLEICH-PLACE18, CH
17	12041	41865	0.84%	228	183.62	AS-AFILIAS1, US
18	50529	39346	0.79%	126	312.27	FN-AS, AE
19	34567	36190	0.73%	114	317.46	NEXT-AS, HK
20	21351	31534	0.64%	17	1854.94	CANALPLUSTELECOM, GP
21	216056	30891	0.62%	15	2059.40	XAVEN-NETWORK, CN
22	13780	29964	0.60%	10	2996.40	MILEHIGHWALRUS-NETWORK, US
23	204508	29675	0.60%	18	1648.61	MLGT, IT
24	30083	26415	0.53%	3	8805.00	AS-30083-US-VELIA-NET, DE
25	263262	25239	0.51%	21	1201.86	MOV TELECOM LTDA, BR
26	213092	24551	0.50%	12	2045.92	MARBLEIS, GB
27	28598	24404	0.49%	14	1743.14	DB3 SERVICOS DE TELECOMUNICACOES S.A, BR
28	139341	23859	0.48%	171	139.53	ACE-AS-AP ACE, SG
29	265500	23311	0.47%	10	2331.10	ALMEIRIM TELECOM LTDA - ME, BR
30	199553	23303	0.47%	6	3883.83	UNGLEICH-PLACE5, CH
31	262448	22318	0.45%	20	1115.90	DIALHOST INTERNET EIRELI, BR
32	39572	21511	0.43%	33	651.85	ADVANCEDHOSTERS-AS, NL
33	271149	20752	0.42%	3	6917.33	K. R. VIOTO, BR
34	265966	20684	0.42%	8	2585.50	J M P M ALENCAR & A G F ALENCAR LTDA - ME, BR
35	136873	20511	0.41%	8	2563.88	MEGADATA-AS-ID MEGADATA-ISP, ID
36	23420	20039	0.40%	1	20039.00	AS-DAVENPRO, US
37	28458	18891	0.38%	2	9445.50	IENTC S DE RL DE CV, MX
38	56167	18144	0.37%	648	28.00	PTML-PK Plot No 181-186 Street, PK
39	61164	17614	0.36%	57	309.02	LIR-AS, AE
40	61845	16978	0.34%	3	5659.33	GRD TELECOMUNICACOES LTDA, BR
41	39891	15606	0.31%	2058	7.58	ALJAWWALSTC-AS, SA
42	64289	15597	0.31%	12	1299.75	MACARNE, US
43	209898	15337	0.31%	2	7668.50	UNGLEICH-UNGLEICH-UPSTREAM, CH
44	21664	15070	0.30%	37	407.30	AMZN-BYOASN, US
45	61573	14990	0.30%	13	1153.08	Ip Telecom, BR
46	13335	14914	0.30%	2985	5.00	CLOUDFLARENET, US
47	92	14772	0.30%	1	14772.00	CLARKSON-AS, US
48	17072	14714	0.30%	1407	10.46	TOTAL PLAY TELECOMUNICACIONES SA DE CV, MX
49	5416	13879	0.28%	1042	13.32	Internet Service Provider, BH
50	61625	12530	0.25%	1	12530.00
Total		3491701	70.43%

50 Most active ASes for the past 14 days

RANK	ASN	UPDs/Prefix	%	Prefixes	UPDs	AS NAME
1	214028	934832.0	18.86%	1	934832	MAHDI-UMRAN, ID
2	23420	20039.0	0.40%	1	20039	AS-DAVENPRO, US
3	92	14772.0	0.30%	1	14772	CLARKSON-AS, US
4	61625	12530.0	0.25%	1	12530
5	210564	11906.0	0.24%	1	11906	SWANTZTER-AS, SE
6	272053	11506.0	0.23%	1	11506	ANTUNES FLORES SERGIO OMAR NUEVA NET, AR
7	28458	9445.5	0.38%	2	18891	IENTC S DE RL DE CV, MX
8	328631	8975.0	0.18%	1	8975	BallitoISP, ZA
9	11761	8953.0	0.18%	1	8953	KKCLOUD, US
10	30083	8805.0	0.53%	3	26415	AS-30083-US-VELIA-NET, DE
11	209898	7668.5	0.31%	2	15337	UNGLEICH-UNGLEICH-UPSTREAM, CH
12	271149	6917.3	0.42%	3	20752	K. R. VIOTO, BR
13	199678	5847.0	0.12%	1	5847	AS-6RW-, RU
14	61845	5659.3	0.34%	3	16978	GRD TELECOMUNICACOES LTDA, BR
15	41701	5501.0	0.11%	1	5501	CAP-FIN-AS, FI
16	211894	5392.6	0.87%	8	43141	UNGLEICH-PLACE18, CH
17	141145	5121.0	0.10%	1	5121	GIGANET-AS-ID PT Giga Digital Nusantara, ID
18	30362	4815.0	0.10%	1	4815	HPT-ASN, US
19	211645	4576.0	0.09%	1	4576	SPG, DE
20	20915	4176.0	0.08%	1	4176	HUNDRED-PERCENT-IT, GB
21	265314	4045.0	0.08%	1	4045	Toolsoft Tecnologia Ltda, BR
22	199553	3883.8	0.47%	6	23303	UNGLEICH-PLACE5, CH
23	198090	3753.0	0.08%	1	3753	ASLIBRA, IT
24	10103	3656.7	0.89%	12	43880	HKBN-AS-AP HK Broadband Network Ltd., HK
25	24474	3601.0	0.15%	2	7202	ASNPANYCAST Nepal Internet Exchange NP Anycast, NP
26	22616	3597.8	2.69%	37	133120	ZSCALER-SJC1, US
27	271944	3049.0	0.06%	1	3049	AUDIBEL TELECOMUNICACIONES S.A., AR
28	138535	3000.0	0.18%	3	9000	FURDEVS-AS-AP Wu Qi, CN
29	13780	2996.4	0.60%	10	29964	MILEHIGHWALRUS-NETWORK, US
30	270786	2992.0	0.06%	1	2992	CITYNET COM. DE PROD. DE INFORMATICA LTDA, BR
31	267943	2983.7	0.96%	16	47739	SOL PROVEDOR DE INTERNETE LTDA - ME, BR
32	203062	2941.9	1.19%	20	58838	ALEXANDRE-ROUX-ASRINFOPRO Alexandre Roux trading as ASR INFOPRO, FR
33	214498	2809.0	0.06%	1	2809	MCLARENAPPLIED, GB
34	199235	2704.0	0.05%	1	2704	MIKROHALO-HU-AS, HU
35	265966	2585.5	0.42%	8	20684	J M P M ALENCAR & A G F ALENCAR LTDA - ME, BR
36	136873	2563.9	0.41%	8	20511	MEGADATA-AS-ID MEGADATA-ISP, ID
37	203664	2431.0	0.05%	1	2431	LANXING-AS, CN
38	268064	2412.0	0.05%	1	2412	Net 1000 Telecom Ltda, BR
39	199689	2385.0	0.05%	1	2385	JOSHA-PRIOR Netralex BYOIP, NL
40	149500	2381.2	0.19%	4	9525	SR-AS-AP Shane Renshaw, HK
41	265500	2331.1	0.47%	10	23311	ALMEIRIM TELECOM LTDA - ME, BR
42	6871	2280.3	0.14%	3	6841	PLUSNET UK Internet Service Provider, GB
43	200915	2232.0	0.14%	3	6696	MRFK, NO
44	264042	2136.3	0.13%	3	6409	CRISPIM E GOMES TELECOM LTDA, BR
45	266919	2129.0	0.04%	1	2129	MDS INTERNET E SERVICO DE INFORMATICA LTDA. ME, BR
46	216056	2059.4	0.62%	15	30891	XAVEN-NETWORK, CN
47	213092	2045.9	0.50%	12	24551	MARBLEIS, GB
48	40138	1944.1	1.61%	41	79710	MDNET, US
49	21351	1854.9	0.64%	17	31534	CANALPLUSTELECOM, GP
50	272685	1744.0	0.04%
Total		1178966.1	37.11%

50 Most active Prefixes for the past 14 days

RANK	PREFIX	UPDs	%	Origin AS -- AS NAME
1	2a0f:85c1:8b9::/48	934832	17.91%	214028 -- MAHDI-UMRAN, ID
2	2a03:eec0:3212::/48	133040	2.55%	22616 -- ZSCALER-SJC1, US
3	2a02:1391:5100::/40	31518	0.60%	21351 -- CANALPLUSTELECOM, GP
4	2605:de00:bb::/48	26413	0.51%	30083 -- AS-30083-US-VELIA-NET, DE
5	2a06:2c82:8000::/33	25129	0.48%	203062 -- ALEXANDRE-ROUX-ASRINFOPRO Alexandre Roux trading as ASR INFOPRO, FR
6	2804:248:100::/40	24280	0.47%	28598 -- DB3 SERVICOS DE TELECOMUNICACOES S.A, BR
7	240d:c010:165::/48	22092	0.42%	139341 -- ACE-AS-AP ACE, SG
8	2a06:2c80:4000::/36	21323	0.41%	203062 -- ALEXANDRE-ROUX-ASRINFOPRO Alexandre Roux trading as ASR INFOPRO, FR
9	2a07:54c1:2205::/48	20466	0.39%	216056 -- XAVEN-NETWORK, CN
10	2605:9c40::/32	20039	0.38%	23420 -- AS-DAVENPRO, US
11	2806:202::/32	18889	0.36%	28458 -- IENTC S DE RL DE CV, MX
12	2a14:3f87:9800::/38	15436	0.30%	64289 -- MACARNE, US
13	2a0a:e5c0:76::/48	15334	0.29%	209898 -- UNGLEICH-UNGLEICH-UPSTREAM, CH
14	2605:6480::/32	14772	0.28%	92 -- CLARKSON-AS, US
15	2a02:b48:83f1::/48	13255	0.25%	39572 -- ADVANCEDHOSTERS-AS, NL
16	2804:9524::/32	12530	0.24%	61625 --
17	2a06:2c87:e000::/36	12288	0.24%	203062 -- ALEXANDRE-ROUX-ASRINFOPRO Alexandre Roux trading as ASR INFOPRO, FR
18	2001:67c:20fc::/48	11907	0.23%	210564 -- SWANTZTER-AS, SE
19	2803:5d10::/32	11507	0.22%	272053 -- ANTUNES FLORES SERGIO OMAR NUEVA NET, AR
20	2610:a1:1028::/48	11170	0.21%	19905 -- SECURITYSERVICES, US
21	2a05:4140:333::/48	10879	0.21%	204508 -- MLGT, IT
22	2a05:4140:316::/48	10829	0.21%	204508 -- MLGT, IT
23	2804:7704::/33	10619	0.20%	271149 -- K. R. VIOTO, BR
24	2402:3a80:c00e::/48	10595	0.20%	38266 -- VIL-AS-AP Vodafone Idea Ltd, IN
25	2a07:54c1:2202::/48	10319	0.20%	216056 -- XAVEN-NETWORK, CN
26	2804:7704:8000::/33	10119	0.19%	271149 -- K. R. VIOTO, BR
27	2607:74c0:120::/44	10111	0.19%	10103 -- HKBN-AS-AP HK Broadband Network Ltd., HK
28	2607:74c0:140::/44	10090	0.19%	10103 -- HKBN-AS-AP HK Broadband Network Ltd., HK
29	2607:74c0:130::/44	10061	0.19%	10103 -- HKBN-AS-AP HK Broadband Network Ltd., HK
30	2607:74c0:110::/44	9927	0.19%	10103 -- HKBN-AS-AP HK Broadband Network Ltd., HK
31	2a03:90c0:7a0::/44	9318	0.18%	59437 -- NORTHERNDATA, DE
32	2804:1a34:8000::/33	9136	0.18%	61845 -- GRD TELECOMUNICACOES LTDA, BR
33	2406:840:e620::/48	8992	0.17%	138535 -- FURDEVS-AS-AP Wu Qi, CN
34	2c0f:e8a8::/32	8975	0.17%	328631 -- BallitoISP, ZA
35	2602:f506::/40	8953	0.17%	11761 -- KKCLOUD, US
36	2a02:b48:83f3::/48	8178	0.16%	39572 -- ADVANCEDHOSTERS-AS, NL
37	2a0a:5480:4::/48	7834	0.15%	211894 -- UNGLEICH-PLACE18, CH
38	2a0a:5480::/48	7834	0.15%	211894 -- UNGLEICH-PLACE18, CH
39	2a0a:5480:1::/48	7834	0.15%	211894 -- UNGLEICH-PLACE18, CH
40	2a0a:5480:1ac::/48	7832	0.15%	211894 -- UNGLEICH-PLACE18, CH
41	2a0a:5480:2::/48	7829	0.15%	211894 -- UNGLEICH-PLACE18, CH
42	2804:1a34::/33	7824	0.15%	61845 -- GRD TELECOMUNICACOES LTDA, BR
43	2602:fc09:cc::/48	7696	0.15%	13780 -- MILEHIGHWALRUS-NETWORK, US
44	2a0a:e5c0:45::/48	7608	0.15%	199553 -- UNGLEICH-PLACE5, CH
45	2a0a:e5c1:517::/48	7607	0.15%	199553 -- UNGLEICH-PLACE5, CH
46	2a0a:e5c0:16::/48	7607	0.15%	199553 -- UNGLEICH-PLACE5, CH
47	2a01:fb05:4000::/36	7544	0.14%	216096 -- SECUREPEAK, AD
48	2602:fc09:aa::/48	7515	0.14%	13780 -- MILEHIGHWALRUS-NETWORK, US
49	2602:fc09:bb::/48	7470	0.14%	13780 -- MILEHIGHWALRUS-NETWORK, US
50	2a13:aac4:1000::/36	7459	0.14%	204508 -- MLGT, IT
Total		1660814	31.80%

14 Day BGP Update Statistics Profile: 1-November-2025 00:00 - 15-November-2025 23:59 (UTC+1000)

Number of BGP Update Messages:	27365774
Number of Prefix Changes:	31875609
Number of Prefix Updates:	27365774
Number of Prefix Withdrawals:	4509835
Average Prefixes per BGP Update:	1.16
Average BGP Update Messages per second:	22.62
Average Prefix Updates per second:	26.35
Peak BGP Update Message Rate per second:	86047	(02:25:46 Tue, 4-Nov-2025)
Peak Prefix Update Rate per second:	86047	(02:25:46 Tue, 4-Nov-2025)
Peak Prefix Withdraw Rate per second:	2051	(13:50:23 Wed, 12-Nov-2025, )
Number of RIB Prefix Updates:	4956062	(0.18 of recv'd updates)
Number of RIB Prefix Withdrawals:	262497	(0.06 of recv'd withdrawals)
Peak RIB Update Rate per second:	53027	(02:25:46 Tue, 4-Nov-2025)
Peak RIB Withdrawal Rate per second:	2035	(13:50:39 Wed, 12-Nov-2025)
Seen Prefix Count:	250079
Updated Prefix Count:	250077
Stable Prefix Count:	2
Seen Origin AS Count:	35880
Updated Origin AS Count:	34832
Stable Origin AS Count:	1048
Seen Unique Path Count:	181552
Updated Path Count:	155329
Stable Path Count:	26223

Five Minute Average of Per-Second Updated and Withdrawn Prefix Rate

Five Minute Peak of Per-Second Updated and Withdrawn Prefix Rate

Five Minute Average Per-Second Updated Prefix Rate by Update Type

Five Minute Peak of Per-Second Updated Prefix Rate by Update Type

BGP Table Activity

Cumulative Distribution of per-Prefix and per-AS Updates