The BGP IPv6 Instability Report

This report is updated daily. The current report
was generated on 5 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	327333	8.79%	3980	82.24	VIETEL-AS-AP Viettel Group, VN
2	199340	102593	2.75%	2258	45.44	HONG-GUANWAN, HK
3	39891	101963	2.74%	2058	49.54	ALJAWWALSTC-AS, SA
4	210940	85838	2.30%	2	42919.00	SEASONCLOUD, BR
5	16509	81698	2.19%	5446	15.00	AMAZON-02 - Amazon.com, Inc., US
6	40138	78527	2.11%	38	2066.50	MDNET - Mach Dilemma, LLC, US
7	28649	77804	2.09%	77	1010.44	Desktop Sigmanet Comunicacao Multimidia SA, BR
8	202256	66772	1.79%	259	257.81	LAWLIETNET, CN
9	211894	64856	1.74%	8	8107.00	UNGLEICH-PLACE18, CH
10	22927	60514	1.62%	253	239.19	Telefonica de Argentina, AR
11	28598	60202	1.62%	14	4300.14	DB3 SERVICOS DE TELECOMUNICACOES S.A, BR
12	9287	60053	1.61%	8	7506.62	TIDCC-AS-AP True Internet Data Center Company Limited, TH
13	6535	49917	1.34%	8	6239.62	Telmex Servicios Empresariales S.A., CL
14	212691	35906	0.96%	2	17953.00	ARONSTRECKER-AS, DE
15	21351	35259	0.95%	16	2203.69	CANALPLUSTELECOM, GP
16	396509	34365	0.92%	13	2643.46	LETSCLOUD - LETSCLOUD, US
17	204508	31759	0.85%	18	1764.39	MLGT, IT
18	199553	30847	0.83%	6	5141.17	UNGLEICH-PLACE5, CH
19	5416	28266	0.76%	1043	27.10	Internet Service Provider, BH
20	271466	28224	0.76%	10	2822.40	UC Telecom Ltda, BR
21	17072	25878	0.69%	1410	18.35	TOTAL PLAY TELECOMUNICACIONES SA DE CV, MX
22	328327	25601	0.69%	6	4266.83	ASAP-AS, ZA
23	38266	24008	0.64%	1363	17.61	VIL-AS-AP Vodafone Idea Ltd, IN
24	274743	23153	0.62%	7	3307.57	FASTWEB TELECOMUNICACOES, BR
25	137409	22473	0.60%	1126	19.96	GSLNETWORKS-AS-AP GSL Networks Pty LTD, AU
26	10103	21812	0.59%	12	1817.67	HKBN-AS-AP HK Broadband Network Ltd., HK
27	203664	21187	0.57%	1	21187.00	LANXING-AS, CN
28	28669	19978	0.54%	4	4994.50	VERO S.A, BR
29	272053	19872	0.53%	1	19872.00	ANTUNES FLORES SERGIO OMAR NUEVA NET, AR
30	11172	19858	0.53%	2308	8.60	Alestra, S. de R.L. de C.V., MX
31	204210	19560	0.52%	4	4890.00	ZEUSPACKAGINGLTD, IE
32	18403	19553	0.52%	3592	5.44	FPT-AS-AP FPT Telecom Company, VN
33	215956	19102	0.51%	34	561.82	MYIP-AS MyIP.be ~ AS215956, BE
34	213092	18978	0.51%	12	1581.50	MARBLEIS, GB
35	213035	18042	0.48%	3	6014.00	AS-SERVERION Serverion B.V., NL
36	45271	17785	0.48%	1250	14.23	VIL-AS-AP Vodafone Idea Ltd, IN
37	9829	17220	0.46%	902	19.09	BSNL-NIB National Internet Backbone, IN
38	205157	17160	0.46%	5	3432.00	CIDNOC, US
39	262448	16462	0.44%	11	1496.55	DIALHOST INTERNET EIRELI, BR
40	214450	15892	0.43%	2	7946.00	OGL-AS, DE
41	13335	14947	0.40%	3099	4.82	CLOUDFLARENET - Cloudflare, Inc., US
42	264525	14449	0.39%	5	2889.80	Coelho Tecnologia, BR
43	202181	14303	0.38%	1	14303.00	TAMCOM-AS, RU
44	263516	14137	0.38%	7	2019.57	Plis Inteligencia em Tecnologia Ltda., BR
45	12041	13958	0.37%	228	61.22	AS-AFILIAS1 - Afilias, Inc., US
46	48635	13946	0.37%	21	664.10	CLDIN-NL Your Hosting B.V. part of Your.Online, NL
47	64289	13904	0.37%	3	4634.67	MACARNE - Macarne.com, US
48	7545	13875	0.37%	655	21.18	TPG-INTERNET-AP TPG Telecom Limited, AU
49	20473	13784	0.37%	464	29.71	AS-VULTR - The Constant Company, LLC, US
50	269453	13558	0.36%	1	13558.00	LUCIANO YAMASHIRO PINTO, BR
Total		1987131	53.29%

50 Most active ASes for the past 14 days

RANK	ASN	UPDs/Prefix	%	Prefixes	UPDs	AS NAME
1	210940	42919.0	2.30%	2	85838	SEASONCLOUD, BR
2	203664	21187.0	0.57%	1	21187	LANXING-AS, CN
3	272053	19872.0	0.53%	1	19872	ANTUNES FLORES SERGIO OMAR NUEVA NET, AR
4	213035	18042.0	0.48%	3	18042	AS-SERVERION Serverion B.V., NL
5	212691	17953.0	0.96%	2	35906	ARONSTRECKER-AS, DE
6	202181	14303.0	0.38%	1	14303	TAMCOM-AS, RU
7	269453	13558.0	0.36%	1	13558	LUCIANO YAMASHIRO PINTO, BR
8	199364	11927.0	0.32%	1	11927	RAX-AS, BG
9	21351	11753.0	0.95%	16	35259	CANALPLUSTELECOM, GP
10	204210	9780.0	0.52%	4	19560	ZEUSPACKAGINGLTD, IE
11	6535	8319.5	1.34%	8	49917	Telmex Servicios Empresariales S.A., CL
12	211894	8107.0	1.74%	8	64856	UNGLEICH-PLACE18, CH
13	214450	7946.0	0.43%	2	15892	OGL-AS, DE
14	9287	7506.6	1.61%	8	60053	TIDCC-AS-AP True Internet Data Center Company Limited, TH
15	210564	7499.0	0.20%	1	7499	SWANTZTER-AS, SE
16	208948	6360.0	0.17%	3	6360	RECYCLED-CLOUD-AS, CH
17	199553	5141.2	0.83%	6	30847	UNGLEICH-PLACE5, CH
18	20915	5103.0	0.14%	1	5103	HUNDRED-PERCENT-IT, GB
19	141145	5054.0	0.14%	1	5054	GIGANET-AS-ID PT Giga Digital Nusantara, ID
20	28669	4994.5	0.54%	4	19978	VERO S.A, BR
21	58419	4715.0	0.13%	2	4715	DATAVAIL-IN Datavail Infotech Pvt Ltd, IN
22	64289	4634.7	0.37%	3	13904	MACARNE - Macarne.com, US
23	28598	4300.1	1.62%	14	60202	DB3 SERVICOS DE TELECOMUNICACOES S.A, BR
24	328327	4266.8	0.69%	6	25601	ASAP-AS, ZA
25	198090	3900.0	0.10%	1	3900	ASLIBRA, IT
26	151650	3899.0	0.10%	1	3899	SWITCHFIBER-AS-AP Switch Fiber, PH
27	211645	3828.0	0.10%	1	3828	SPG, DE
28	138535	3553.7	0.29%	3	10661	FURDEVS-AS-AP Wu Qi, CN
29	61609	3487.5	0.19%	2	6975	NextHop Solutions, BR
30	205157	3432.0	0.46%	5	17160	CIDNOC, US
31	274743	3307.6	0.62%	7	23153	FASTWEB TELECOMUNICACOES, BR
32	149500	3270.2	0.35%	4	13081	SR-AS-AP Shane Renshaw, HK
33	396509	3124.1	0.92%	13	34365	LETSCLOUD - LETSCLOUD, US
34	149735	2974.0	0.08%	1	2974	IDNIC-TPIMAXIM-ID PT. Teknologi Perdana Indonesia, ID
35	199678	2959.0	0.08%	1	2959	AS-6RW-, RU
36	264525	2889.8	0.39%	5	14449	Coelho Tecnologia, BR
37	271466	2822.4	0.76%	10	28224	UC Telecom Ltda, BR
38	210796	2815.0	0.15%	2	5630	BJOERN-SCHLEYER Bjoern Schleyer, DE
39	199235	2775.0	0.07%	1	2775	MIKROHALO-HU-AS, HU
40	40138	2379.6	2.11%	38	78527	MDNET - Mach Dilemma, LLC, US
41	205651	2280.0	0.06%	1	2280	CATOFES, CN
42	150552	2166.0	0.06%	1	2166	BAROKAHNET-AS-ID PT Link Data Sumber Barokah, ID
43	214160	2143.5	0.12%	3	4287	SHREE, GB
44	44212	2112.0	0.23%	4	8448	ADELPHINET1-AS, IE
45	263516	2019.6	0.38%	7	14137	Plis Inteligencia em Tecnologia Ltda., BR
46	2484	2012.0	0.05%	1	2012	NIC-FR-DNS-ANYCAST-AFNIC AFNIC Association Francaise pour le Nommage Internet en Cooperation, FR
47	40929	1926.0	0.16%	3	5778	MOEDOVE-BN - MoeDove, US
48	47279	1892.0	0.05%	1	1892	TPIP-AS, DE
49	10103	1817.7	0.59%	12	21812	HKBN-AS-AP HK Broadband Network Ltd., HK
50	208927	1805.0	0.05%
Total		336832.1	25.84%

50 Most active Prefixes for the past 14 days

RANK	PREFIX	UPDs	%	Origin AS -- AS NAME
1	2a14:67c1:b300::/40	78771	2.00%	210940 -- SEASONCLOUD, BR
2	2804:248:100::/40	60177	1.53%	28598 -- DB3 SERVICOS DE TELECOMUNICACOES S.A, BR
3	2a02:1391:5100::/40	35250	0.90%	21351 -- CANALPLUSTELECOM, GP
4	2800:540:2010::/44	25639	0.65%	27995 -- CLARO CHILE S.A., CL 6535 -- Telmex Servicios Empresariales S.A., CL
5	2800:540:2000::/44	25237	0.64%	27995 -- CLARO CHILE S.A., CL 6535 -- Telmex Servicios Empresariales S.A., CL
6	2a0e:aa07:e044::/48	21187	0.54%	203664 -- LANXING-AS, CN
7	2001:678:114::/48	20391	0.52%	212691 -- ARONSTRECKER-AS, DE
8	2803:5d10::/32	19872	0.51%	272053 -- ANTUNES FLORES SERGIO OMAR NUEVA NET, AR
9	2804:4bec::/32	19820	0.50%	28669 -- VERO S.A, BR
10	2a0c:b641:302::/47	19558	0.50%	204210 -- ZEUSPACKAGINGLTD, IE
12	2a0e:8f02:f05e::/48	15515	0.39%	212691 -- ARONSTRECKER-AS, DE
13	2804:20fc:2000::/36	14431	0.37%	264525 -- Coelho Tecnologia, BR
14	2a0b:a8c0:2::/48	14303	0.36%	202181 -- TAMCOM-AS, RU
15	2a14:3f87:9800::/38	13892	0.35%	64289 -- MACARNE - Macarne.com, US
16	2804:64d8::/32	13558	0.34%	269453 -- LUCIANO YAMASHIRO PINTO, BR
17	2a03:90c0:7a0::/44	13237	0.34%	59437 -- NORTHERNDATA, DE
18	2404:3280:a::/48	12036	0.31%	9287 -- TIDCC-AS-AP True Internet Data Center Company Limited, TH
19	2001:fb0:1001::/48	12033	0.31%	9287 -- TIDCC-AS-AP True Internet Data Center Company Limited, TH
20	2001:fb0:1002::/48	12017	0.31%	9287 -- TIDCC-AS-AP True Internet Data Center Company Limited, TH
21	2404:3280::/32	11982	0.30%	9287 -- TIDCC-AS-AP True Internet Data Center Company Limited, TH
22	2001:fb0:1000::/48	11979	0.30%	9287 -- TIDCC-AS-AP True Internet Data Center Company Limited, TH
23	2a00:af60::/32	11927	0.30%	199364 -- RAX-AS, BG
24	2406:840:e620::/48	10642	0.27%	138535 -- FURDEVS-AS-AP Wu Qi, CN
25	2a0a:e5c1:517::/48	9426	0.24%	199553 -- UNGLEICH-PLACE5, CH
26	2a0a:e5c0:45::/48	9311	0.24%	199553 -- UNGLEICH-PLACE5, CH
27	2a0a:e5c0:16::/48	9310	0.24%	199553 -- UNGLEICH-PLACE5, CH
28	2a0a:5480:4::/48	9286	0.24%	211894 -- UNGLEICH-PLACE18, CH
29	2a0a:5480:1::/48	9284	0.24%	211894 -- UNGLEICH-PLACE18, CH
30	2a0a:5480::/48	9283	0.24%	211894 -- UNGLEICH-PLACE18, CH
31	2a0a:5480:3::/48	9221	0.23%	211894 -- UNGLEICH-PLACE18, CH
32	2a0a:5480:1ac::/48	9179	0.23%	211894 -- UNGLEICH-PLACE18, CH
33	2a0a:5480:5::/48	9177	0.23%	211894 -- UNGLEICH-PLACE18, CH
34	2a0a:5480:2::/48	9174	0.23%	211894 -- UNGLEICH-PLACE18, CH
35	2c0f:c00:100::/40	9018	0.23%	328327 -- ASAP-AS, ZA
36	2a0d:2a00:2::/48	8576	0.22%	205157 -- CIDNOC, US
37	2a0d:2a00:1::/48	8574	0.22%	205157 -- CIDNOC, US
38	2c0f:c00:200::/40	8378	0.21%	328327 -- ASAP-AS, ZA
39	2c0f:c00:3000::/36	8184	0.21%	328327 -- ASAP-AS, ZA
40	2a0e:b107:19cb::/48	8135	0.21%	214450 -- OGL-AS, DE
41	2001:678:658::/48	7757	0.20%	214450 -- OGL-AS, DE
42	2804:7bf8:c000::/34	7694	0.20%	271466 -- UC Telecom Ltda, BR
43	2001:67c:20fc::/48	7499	0.19%	210564 -- SWANTZTER-AS, SE
44	2a14:7580:ee0b::/48	7433	0.19%	215956 -- MYIP-AS MyIP.be ~ AS215956, BE
45	2a14:7580:ed58::/46	7425	0.19%	215956 -- MYIP-AS MyIP.be ~ AS215956, BE
46	2a05:4140:304::/48	7278	0.19%	204508 -- MLGT, IT
47	2a0a:280:3650::/44	7265	0.18%	44908 -- MANG_AS, IT
48	2a14:7580:ff10::/44	7067	0.18%	210940 -- SEASONCLOUD, BR
49	2a0f:9400:7370::/48	7064	0.18%	213092 -- MARBLEIS, GB
50	2804:7bf8::/34	6986	0.18%	271466 -- UC Telecom Ltda, BR
Total		728480	18.54%

14 Day BGP Update Statistics Profile: 21-January-2026 00:00 - 4-February-2026 23:59 (UTC+1000)

Number of BGP Update Messages:	17847826
Number of Prefix Changes:	20268434
Number of Prefix Updates:	17847826
Number of Prefix Withdrawals:	2420608
Average Prefixes per BGP Update:	1.14
Average BGP Update Messages per second:	14.76
Average Prefix Updates per second:	16.76
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:	3725751	(0.21 of recv'd updates)
Number of RIB Prefix Withdrawals:	205854	(0.09 of recv'd withdrawals)
Peak RIB Update Rate per second:	11540	(05:48:51 Sun, 1-Feb-2026)
Peak RIB Withdrawal Rate per second:	3545	(20:52:40 Thu, 22-Jan-2026)
Seen Prefix Count:	255017
Updated Prefix Count:	171290
Stable Prefix Count:	83727
Seen Origin AS Count:	36093
Updated Origin AS Count:	30317
Stable Origin AS Count:	5776
Seen Unique Path Count:	167772
Updated Path Count:	143379
Stable Path Count:	24393

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