The BGP IPv6 Instability Report

This report is updated daily. The current report
was generated on 7 February 2026 01:15 (UTC+1000)

50 Most active ASes for the past 14 days

RANK	ASN	UPDs	%	Prefixes	UPDs/Prefix	AS NAME
1	7552	330137	8.70%	3980	82.95	VIETEL-AS-AP Viettel Group, VN
2	199340	103559	2.73%	2258	45.86	HONG-GUANWAN, HK
3	210940	85834	2.26%	2	42917.00	SEASONCLOUD, BR
4	16509	81122	2.14%	5442	14.91	AMAZON-02 - Amazon.com, Inc., US
5	39891	78660	2.07%	2058	38.22	ALJAWWALSTC-AS, SA
6	40138	78239	2.06%	38	2058.92	MDNET - Mach Dilemma, LLC, US
7	28649	77083	2.03%	77	1001.08	Desktop Sigmanet Comunicacao Multimidia SA, BR
8	202256	74884	1.97%	259	289.13	LAWLIETNET, CN
9	22927	58822	1.55%	253	232.50	Telefonica de Argentina, AR
10	211894	56222	1.48%	8	7027.75	UNGLEICH-PLACE18, CH
11	9287	49892	1.32%	8	6236.50	TIDCC-AS-AP True Internet Data Center Company Limited, TH
12	6535	43682	1.15%	8	5460.25	Telmex Servicios Empresariales S.A., CL
13	212691	35594	0.94%	2	17797.00	ARONSTRECKER-AS, DE
14	21351	34918	0.92%	16	2182.38	CANALPLUSTELECOM, GP
15	28598	33375	0.88%	14	2383.93	DB3 SERVICOS DE TELECOMUNICACOES S.A, BR
16	10103	32539	0.86%	12	2711.58	HKBN-AS-AP HK Broadband Network Ltd., HK
17	199553	30452	0.80%	6	5075.33	UNGLEICH-PLACE5, CH
18	396509	29131	0.77%	13	2240.85	LETSCLOUD - LETSCLOUD, US
19	137409	26993	0.71%	1125	23.99	GSLNETWORKS-AS-AP GSL Networks Pty LTD, AU
20	17072	25933	0.68%	1410	18.39	TOTAL PLAY TELECOMUNICACIONES SA DE CV, MX
21	28640	25773	0.68%	15	1718.20	VIPWAY Telecomunicacoes Ltda, BR
22	204508	25646	0.68%	18	1424.78	MLGT, IT
23	28669	24537	0.65%	4	6134.25	VERO S.A, BR
24	271466	23566	0.62%	10	2356.60	UC Telecom Ltda, BR
25	215956	21645	0.57%	34	636.62	MYIP-AS MyIP.be ~ AS215956, BE
26	38266	21638	0.57%	1363	15.88	VIL-AS-AP Vodafone Idea Ltd, IN
27	328327	21581	0.57%	6	3596.83	ASAP-AS, ZA
28	5416	21435	0.56%	1043	20.55	Internet Service Provider, BH
29	203664	20870	0.55%	1	20870.00	LANXING-AS, CN
30	11172	20053	0.53%	2324	8.63	Alestra, S. de R.L. de C.V., MX
31	7545	19754	0.52%	735	26.88	TPG-INTERNET-AP TPG Telecom Limited, AU
32	45271	19620	0.52%	1250	15.70	VIL-AS-AP Vodafone Idea Ltd, IN
33	272053	19329	0.51%	1	19329.00	ANTUNES FLORES SERGIO OMAR NUEVA NET, AR
34	204210	19219	0.51%	4	4804.75	ZEUSPACKAGINGLTD, IE
35	274743	19170	0.51%	7	2738.57	FASTWEB TELECOMUNICACOES, BR
36	9829	18711	0.49%	902	20.74	BSNL-NIB National Internet Backbone, IN
37	213092	18632	0.49%	12	1552.67	MARBLEIS, GB
38	43350	17797	0.47%	24	741.54	NFORCE, NL
39	205157	17089	0.45%	5	3417.80	CIDNOC, US
40	20473	16923	0.45%	945	17.91	AS-VULTR - The Constant Company, LLC, US
41	262448	15295	0.40%	11	1390.45	DIALHOST INTERNET EIRELI, BR
42	213035	14933	0.39%	3	4977.67	AS-SERVERION Serverion B.V., NL
43	214450	14818	0.39%	2	7409.00	OGL-AS, DE
44	48635	14496	0.38%	21	690.29	CLDIN-NL Your Hosting B.V. part of Your.Online, NL
45	11664	14282	0.38%	1223	11.68	Techtel LMDS Comunicaciones Interactivas S.A., AR
46	64289	14194	0.37%	3	4731.33	MACARNE - Macarne.com, US
47	28183	14161	0.37%	40	354.02	MICRON LINE SERVICOS DE INFORMATICA LTDA - ME, BR
48	12041	13864	0.37%	228	60.81	AS-AFILIAS1 - Afilias, Inc., US
49	199364	13636	0.36%	1	13636.00	RAX-AS, BG
50	13335	13481	0.36%	3070	4.39	CLOUDFLARENET - Cloudflare, Inc., US
Total		1923219	50.69%

50 Most active ASes for the past 14 days

RANK	ASN	UPDs/Prefix	%	Prefixes	UPDs	AS NAME
1	210940	42917.0	2.26%	2	85834	SEASONCLOUD, BR
2	203664	20870.0	0.55%	1	20870	LANXING-AS, CN
3	272053	19329.0	0.51%	1	19329	ANTUNES FLORES SERGIO OMAR NUEVA NET, AR
4	204210	19219.0	0.51%	4	19219	ZEUSPACKAGINGLTD, IE
5	212691	17797.0	0.94%	2	35594	ARONSTRECKER-AS, DE
6	213035	14933.0	0.39%	3	14933	AS-SERVERION Serverion B.V., NL
7	199364	13636.0	0.36%	1	13636	RAX-AS, BG
8	269453	11871.0	0.31%	1	11871	LUCIANO YAMASHIRO PINTO, BR
9	21351	11639.3	0.92%	16	34918	CANALPLUSTELECOM, GP
10	202181	7573.0	0.20%	1	7573	TAMCOM-AS, RU
11	214450	7409.0	0.39%	2	14818	OGL-AS, DE
12	6535	7280.3	1.15%	8	43682	Telmex Servicios Empresariales S.A., CL
13	211894	7027.8	1.48%	8	56222	UNGLEICH-PLACE18, CH
14	210564	6678.0	0.18%	1	6678	SWANTZTER-AS, SE
15	26879	6444.0	0.17%	1	6444	AURELIA-TELECOM-LLC - Aurelia Telecom Systems LLC, US
16	9287	6236.5	1.32%	8	49892	TIDCC-AS-AP True Internet Data Center Company Limited, TH
17	28669	6134.2	0.65%	4	24537	VERO S.A, BR
18	199678	5966.0	0.16%	1	5966	AS-6RW-, RU
19	199553	5075.3	0.80%	6	30452	UNGLEICH-PLACE5, CH
20	20915	4976.0	0.13%	1	4976	HUNDRED-PERCENT-IT, GB
21	64289	4731.3	0.37%	3	14194	MACARNE - Macarne.com, US
22	58419	4601.0	0.12%	2	4601	DATAVAIL-IN Datavail Infotech Pvt Ltd, IN
23	141145	4193.0	0.11%	1	4193	GIGANET-AS-ID PT Giga Digital Nusantara, ID
24	61609	4064.0	0.21%	2	8128	NextHop Solutions, BR
25	211645	3921.0	0.10%	1	3921	SPG, DE
26	198090	3892.0	0.10%	1	3892	ASLIBRA, IT
27	151650	3808.0	0.10%	1	3808	SWITCHFIBER-AS-AP Switch Fiber, PH
28	328327	3596.8	0.57%	6	21581	ASAP-AS, ZA
29	138535	3473.0	0.27%	3	10419	FURDEVS-AS-AP Wu Qi, CN
30	205157	3417.8	0.45%	5	17089	CIDNOC, US
31	149500	2913.0	0.31%	4	11652	SR-AS-AP Shane Renshaw, HK
32	199235	2744.0	0.07%	1	2744	MIKROHALO-HU-AS, HU
33	274743	2738.6	0.51%	7	19170	FASTWEB TELECOMUNICACOES, BR
34	10103	2711.6	0.86%	12	32539	HKBN-AS-AP HK Broadband Network Ltd., HK
35	396509	2648.3	0.77%	13	29131	LETSCLOUD - LETSCLOUD, US
36	28598	2383.9	0.88%	14	33375	DB3 SERVICOS DE TELECOMUNICACOES S.A, BR
37	40138	2370.9	2.06%	38	78239	MDNET - Mach Dilemma, LLC, US
38	271466	2356.6	0.62%	10	23566	UC Telecom Ltda, BR
39	214497	2291.7	0.18%	3	6875	WHITELABEL Customer AS, IL
40	266362	2213.0	0.12%	2	4426	NORTE TELECOM PROVEDOR DE INTERNET EIRELI, BR
41	40929	2107.3	0.17%	3	6322	MOEDOVE-BN - MoeDove, US
42	208948	2094.3	0.17%	3	6283	RECYCLED-CLOUD-AS, CH
43	214160	2027.5	0.11%	3	4055	SHREE, GB
44	2484	2010.0	0.05%	1	2010	NIC-FR-DNS-ANYCAST-AFNIC AFNIC Association Francaise pour le Nommage Internet en Cooperation, FR
45	44212	1968.0	0.21%	4	7872	ADELPHINET1-AS, IE
46	212121	1939.4	0.26%	5	9697	VAGUE, GB
47	47279	1822.0	0.05%	1	1822	TPIP-AS, DE
48	210796	1769.0	0.09%	2	3538	BJOERN-SCHLEYER Bjoern Schleyer, DE
49	28640	1718.2	0.68%	15	25773	VIPWAY Telecomunicacoes Ltda, BR
50	213092	1693.8	0.49%
Total		327230.4	24.44%

50 Most active Prefixes for the past 14 days

RANK	PREFIX	UPDs	%	Origin AS -- AS NAME
1	2a14:67c1:b300::/40	78769	1.97%	210940 -- SEASONCLOUD, BR
2	2a02:1391:5100::/40	34913	0.87%	21351 -- CANALPLUSTELECOM, GP
3	2804:248:100::/40	33349	0.83%	28598 -- DB3 SERVICOS DE TELECOMUNICACOES S.A, BR
4	2804:4bec::/32	24501	0.61%	28669 -- VERO S.A, BR
5	2001:678:114::/48	23399	0.59%	212691 -- ARONSTRECKER-AS, DE
6	2800:540:2010::/44	21945	0.55%	27995 -- CLARO CHILE S.A., CL 6535 -- Telmex Servicios Empresariales S.A., CL
7	2800:540:2000::/44	21911	0.55%	27995 -- CLARO CHILE S.A., CL 6535 -- Telmex Servicios Empresariales S.A., CL
8	2a0e:aa07:e044::/48	20870	0.52%	203664 -- LANXING-AS, CN
9	2803:5d10::/32	19329	0.48%	272053 -- ANTUNES FLORES SERGIO OMAR NUEVA NET, AR
10	2a0c:b641:302::/47	19219	0.48%	204210 -- ZEUSPACKAGINGLTD, IE
12	2a14:3f87:9800::/38	14180	0.35%	64289 -- MACARNE - Macarne.com, US
13	2a00:af60::/32	13636	0.34%	199364 -- RAX-AS, BG
14	2a0e:8f02:f05e::/48	12195	0.30%	212691 -- ARONSTRECKER-AS, DE
15	2804:64d8::/32	11871	0.30%	269453 -- LUCIANO YAMASHIRO PINTO, BR
16	2406:840:e620::/48	10293	0.26%	138535 -- FURDEVS-AS-AP Wu Qi, CN
17	2001:fb0:1001::/48	9999	0.25%	9287 -- TIDCC-AS-AP True Internet Data Center Company Limited, TH
18	2404:3280:a::/48	9995	0.25%	9287 -- TIDCC-AS-AP True Internet Data Center Company Limited, TH
19	2001:fb0:1002::/48	9973	0.25%	9287 -- TIDCC-AS-AP True Internet Data Center Company Limited, TH
20	2404:3280::/32	9969	0.25%	9287 -- TIDCC-AS-AP True Internet Data Center Company Limited, TH
21	2001:fb0:1000::/48	9950	0.25%	9287 -- TIDCC-AS-AP True Internet Data Center Company Limited, TH
22	2a0a:e5c1:517::/48	9402	0.24%	199553 -- UNGLEICH-PLACE5, CH
23	2a0a:e5c0:45::/48	9270	0.23%	199553 -- UNGLEICH-PLACE5, CH
24	2a0a:e5c0:16::/48	9269	0.23%	199553 -- UNGLEICH-PLACE5, CH
25	2a0d:2a00:2::/48	8540	0.21%	205157 -- CIDNOC, US
26	2a0d:2a00:1::/48	8539	0.21%	205157 -- CIDNOC, US
27	2600:6c7f:9370::/44	8159	0.20%	19115 -- CHARTER-19115-DC - Charter Communications LLC, US
28	2804:87bc:dc04::/48	8125	0.20%	61609 -- NextHop Solutions, BR
29	2a0a:5480:2::/48	7980	0.20%	211894 -- UNGLEICH-PLACE18, CH
30	2a0a:5480:5::/48	7979	0.20%	211894 -- UNGLEICH-PLACE18, CH
31	2a0a:5480:1ac::/48	7974	0.20%	211894 -- UNGLEICH-PLACE18, CH
32	2a0a:5480:3::/48	7968	0.20%	211894 -- UNGLEICH-PLACE18, CH
33	2a0a:5480:4::/48	7966	0.20%	211894 -- UNGLEICH-PLACE18, CH
34	2a0a:5480::/48	7965	0.20%	211894 -- UNGLEICH-PLACE18, CH
35	2a0a:5480:1::/48	7965	0.20%	211894 -- UNGLEICH-PLACE18, CH
36	2400:58a0:1003::/48	7672	0.19%	149500 -- SR-AS-AP Shane Renshaw, HK
37	2c0f:c00:100::/40	7590	0.19%	328327 -- ASAP-AS, ZA
38	2a0b:a8c0:2::/48	7573	0.19%	202181 -- TAMCOM-AS, RU
39	2a14:7580:ee0b::/48	7483	0.19%	215956 -- MYIP-AS MyIP.be ~ AS215956, BE
40	2a14:7580:ed58::/46	7472	0.19%	215956 -- MYIP-AS MyIP.be ~ AS215956, BE
41	2a0e:b107:19cb::/48	7428	0.19%	214450 -- OGL-AS, DE
42	2c0f:c00:200::/40	7408	0.19%	328327 -- ASAP-AS, ZA
43	2001:678:658::/48	7390	0.18%	214450 -- OGL-AS, DE
44	2a0f:9400:7370::/48	7308	0.18%	213092 -- MARBLEIS, GB
45	2a0f:9400:737d::/48	7137	0.18%	213092 -- MARBLEIS, GB
46	2a14:7580:ff10::/44	7065	0.18%	210940 -- SEASONCLOUD, BR
47	2001:67c:20fc::/48	6678	0.17%	210564 -- SWANTZTER-AS, SE
48	2607:74c0:100::/44	6660	0.17%	10103 -- HKBN-AS-AP HK Broadband Network Ltd., HK
49	2804:7bf8:c000::/34	6655	0.17%	271466 -- UC Telecom Ltda, BR
50	2607:74c0:120::/44	6646	0.17%	10103 -- HKBN-AS-AP HK Broadband Network Ltd., HK
Total		650465	16.27%

14 Day BGP Update Statistics Profile: 23-January-2026 00:00 - 6-February-2026 23:59 (UTC+1000)

Number of BGP Update Messages:	18350196
Number of Prefix Changes:	20776874
Number of Prefix Updates:	18350196
Number of Prefix Withdrawals:	2426678
Average Prefixes per BGP Update:	1.13
Average BGP Update Messages per second:	15.17
Average Prefix Updates per second:	17.18
Peak BGP Update Message Rate per second:	29560	(05:49:04 Sun, 1-Feb-2026)
Peak Prefix Update Rate per second:	29560	(05:49:04 Sun, 1-Feb-2026)
Peak Prefix Withdraw Rate per second:	4548	(07:35:00 Tue, 3-Feb-2026, )
Number of RIB Prefix Updates:	3793859	(0.21 of recv'd updates)
Number of RIB Prefix Withdrawals:	205016	(0.08 of recv'd withdrawals)
Peak RIB Update Rate per second:	12114	(05:48:51 Sun, 1-Feb-2026)
Peak RIB Withdrawal Rate per second:	1093	(21:05:08 Mon, 2-Feb-2026)
Seen Prefix Count:	255395
Updated Prefix Count:	172462
Stable Prefix Count:	82933
Seen Origin AS Count:	36114
Updated Origin AS Count:	30407
Stable Origin AS Count:	5707
Seen Unique Path Count:	167897
Updated Path Count:	144350
Stable Path Count:	23547

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