The BGP IPv6 Instability Report

This report is updated daily. The current report
was generated on 4 February 2026 01:14 (UTC+1000)

50 Most active ASes for the past 14 days

RANK	ASN	UPDs	%	Prefixes	UPDs/Prefix	AS NAME
1	7552	295394	8.07%	3980	74.22	VIETEL-AS-AP Viettel Group, VN
2	39891	116039	3.17%	2058	56.38	ALJAWWALSTC-AS, SA
3	199340	102469	2.80%	2258	45.38	HONG-GUANWAN, HK
4	16509	83880	2.29%	5447	15.40	AMAZON-02 - Amazon.com, Inc., US
5	40138	81022	2.21%	38	2132.16	MDNET - Mach Dilemma, LLC, US
6	28649	77828	2.13%	77	1010.75	Desktop Sigmanet Comunicacao Multimidia SA, BR
7	210940	75646	2.07%	2	37823.00	SEASONCLOUD, BR
8	202256	66498	1.82%	259	256.75	LAWLIETNET, CN
9	9287	65320	1.79%	8	8165.00	TIDCC-AS-AP True Internet Data Center Company Limited, TH
10	211894	64844	1.77%	8	8105.50	UNGLEICH-PLACE18, CH
11	22927	54071	1.48%	253	213.72	Telefonica de Argentina, AR
12	6535	51411	1.40%	8	6426.38	Telmex Servicios Empresariales S.A., CL
13	396509	36944	1.01%	13	2841.85	LETSCLOUD - LETSCLOUD, US
14	21351	35609	0.97%	16	2225.56	CANALPLUSTELECOM, GP
15	204508	35203	0.96%	18	1955.72	MLGT, IT
16	5416	34956	0.96%	1043	33.51	Internet Service Provider, BH
17	28598	34456	0.94%	14	2461.14	DB3 SERVICOS DE TELECOMUNICACOES S.A, BR
18	199553	30940	0.85%	6	5156.67	UNGLEICH-PLACE5, CH
19	212691	29220	0.80%	2	14610.00	ARONSTRECKER-AS, DE
20	271466	28064	0.77%	10	2806.40	UC Telecom Ltda, BR
21	328327	27095	0.74%	6	4515.83	ASAP-AS, ZA
22	274743	25568	0.70%	7	3652.57	FASTWEB TELECOMUNICACOES, BR
23	17072	23498	0.64%	1410	16.67	TOTAL PLAY TELECOMUNICACIONES SA DE CV, MX
24	38266	21624	0.59%	1363	15.87	VIL-AS-AP Vodafone Idea Ltd, IN
25	137409	21494	0.59%	1126	19.09	GSLNETWORKS-AS-AP GSL Networks Pty LTD, AU
26	203664	21119	0.58%	1	21119.00	LANXING-AS, CN
27	272053	20823	0.57%	1	20823.00	ANTUNES FLORES SERGIO OMAR NUEVA NET, AR
28	204210	20186	0.55%	4	5046.50	ZEUSPACKAGINGLTD, IE
29	11172	19775	0.54%	2303	8.59	Alestra, S. de R.L. de C.V., MX
30	18403	19565	0.53%	3592	5.45	FPT-AS-AP FPT Telecom Company, VN
31	213092	18564	0.51%	12	1547.00	MARBLEIS, GB
32	215956	18099	0.49%	34	532.32	MYIP-AS MyIP.be ~ AS215956, BE
33	28669	17890	0.49%	4	4472.50	VERO S.A, BR
34	205157	17231	0.47%	5	3446.20	CIDNOC, US
35	9829	17162	0.47%	893	19.22	BSNL-NIB National Internet Backbone, IN
36	262448	16857	0.46%	11	1532.45	DIALHOST INTERNET EIRELI, BR
37	214450	16749	0.46%	2	8374.50	OGL-AS, DE
38	45271	16649	0.45%	1250	13.32	VIL-AS-AP Vodafone Idea Ltd, IN
39	263516	15391	0.42%	7	2198.71	Plis Inteligencia em Tecnologia Ltda., BR
40	13335	15180	0.41%	3101	4.90	CLOUDFLARENET - Cloudflare, Inc., US
41	10103	15035	0.41%	12	1252.92	HKBN-AS-AP HK Broadband Network Ltd., HK
42	139341	14848	0.41%	182	81.58	ACE-AS-AP ACE, SG
43	149500	14348	0.39%	4	3587.00	SR-AS-AP Shane Renshaw, HK
44	48635	14300	0.39%	21	680.95	CLDIN-NL Your Hosting B.V. part of Your.Online, NL
45	12041	13982	0.38%	228	61.32	AS-AFILIAS1 - Afilias, Inc., US
46	20473	13965	0.38%	445	31.38	AS-VULTR - The Constant Company, LLC, US
47	64289	13854	0.38%	3	4618.00	MACARNE - Macarne.com, US
48	62610	13753	0.38%	79	174.09	ZEN-DPS - Zenlayer Inc, US
49	30058	12978	0.35%	146	88.89	FDCSERVERS - FDCservers.net, US
50	7545	12858	0.35%	655	19.63	TPG-INTERNET-AP TPG Telecom Limited, AU
Total		1930254	52.74%

50 Most active ASes for the past 14 days

RANK	ASN	UPDs/Prefix	%	Prefixes	UPDs	AS NAME
1	210940	37823.0	2.07%	2	75646	SEASONCLOUD, BR
2	203664	21119.0	0.58%	1	21119	LANXING-AS, CN
3	272053	20823.0	0.57%	1	20823	ANTUNES FLORES SERGIO OMAR NUEVA NET, AR
4	212691	14610.0	0.80%	2	29220	ARONSTRECKER-AS, DE
5	21351	11869.7	0.97%	16	35609	CANALPLUSTELECOM, GP
6	269453	11576.0	0.32%	1	11576	LUCIANO YAMASHIRO PINTO, BR
7	204210	10093.0	0.55%	4	20186	ZEUSPACKAGINGLTD, IE
8	214450	8374.5	0.46%	2	16749	OGL-AS, DE
9	202181	8238.0	0.23%	1	8238	TAMCOM-AS, RU
10	9287	8165.0	1.79%	8	65320	TIDCC-AS-AP True Internet Data Center Company Limited, TH
11	211894	8105.5	1.77%	8	64844	UNGLEICH-PLACE18, CH
12	210564	7862.0	0.21%	1	7862	SWANTZTER-AS, SE
13	6535	6426.4	1.40%	8	51411	Telmex Servicios Empresariales S.A., CL
14	208948	6342.0	0.17%	3	6342	RECYCLED-CLOUD-AS, CH
15	199678	5994.0	0.16%	1	5994	AS-6RW-, RU
16	141145	5801.0	0.16%	1	5801	GIGANET-AS-ID PT Giga Digital Nusantara, ID
17	328327	5419.0	0.74%	6	27095	ASAP-AS, ZA
18	199553	5156.7	0.85%	6	30940	UNGLEICH-PLACE5, CH
19	20915	5053.0	0.14%	1	5053	HUNDRED-PERCENT-IT, GB
20	58419	4690.0	0.13%	2	4690	DATAVAIL-IN Datavail Infotech Pvt Ltd, IN
21	64289	4618.0	0.38%	3	13854	MACARNE - Macarne.com, US
22	28669	4472.5	0.49%	4	17890	VERO S.A, BR
23	151650	4411.0	0.12%	1	4411	SWITCHFIBER-AS-AP Switch Fiber, PH
24	198090	3900.0	0.11%	1	3900	ASLIBRA, IT
25	211645	3794.0	0.10%	1	3794	SPG, DE
26	205651	3697.0	0.10%	1	3697	CATOFES, CN
27	149735	3669.0	0.10%	1	3669	IDNIC-TPIMAXIM-ID PT. Teknologi Perdana Indonesia, ID
28	274743	3652.6	0.70%	7	25568	FASTWEB TELECOMUNICACOES, BR
29	149500	3587.0	0.39%	4	14348	SR-AS-AP Shane Renshaw, HK
30	138535	3569.3	0.29%	3	10708	FURDEVS-AS-AP Wu Qi, CN
31	205157	3446.2	0.47%	5	17231	CIDNOC, US
32	210796	3439.0	0.19%	2	6878	BJOERN-SCHLEYER Bjoern Schleyer, DE
33	396509	3358.5	1.01%	13	36944	LETSCLOUD - LETSCLOUD, US
34	61609	3260.0	0.18%	2	6520	NextHop Solutions, BR
35	271466	2806.4	0.77%	10	28064	UC Telecom Ltda, BR
36	199235	2776.0	0.08%	1	2776	MIKROHALO-HU-AS, HU
37	150552	2558.0	0.07%	1	2558	BAROKAHNET-AS-ID PT Link Data Sumber Barokah, ID
38	28598	2461.1	0.94%	14	34456	DB3 SERVICOS DE TELECOMUNICACOES S.A, BR
39	40138	2455.2	2.21%	38	81022	MDNET - Mach Dilemma, LLC, US
40	263516	2198.7	0.42%	7	15391	Plis Inteligencia em Tecnologia Ltda., BR
41	44212	2182.0	0.24%	4	8728	ADELPHINET1-AS, IE
42	208927	2168.0	0.06%	1	2168	WILO, DE
43	214160	2041.5	0.11%	3	4083	SHREE, GB
44	47279	2031.0	0.06%	1	2031	TPIP-AS, DE
45	2484	2012.0	0.05%	1	2012	NIC-FR-DNS-ANYCAST-AFNIC AFNIC Association Francaise pour le Nommage Internet en Cooperation, FR
46	204508	1955.7	0.96%	18	35203	MLGT, IT
47	264525	1890.8	0.26%	5	9454	Coelho Tecnologia, BR
48	212121	1801.4	0.25%	5	9007	VAGUE, GB
49	28292	1791.3	0.34%	7	12539	ENGEPLUS INFORMATICA LTDA, BR
50	40929	1780.0	0.15%
Total		301324	25.67%

50 Most active Prefixes for the past 14 days

RANK	PREFIX	UPDs	%	Origin AS -- AS NAME
1	2a14:67c1:b300::/40	73609	1.90%	210940 -- SEASONCLOUD, BR
2	2a02:1391:5100::/40	35599	0.92%	21351 -- CANALPLUSTELECOM, GP
3	2804:248:100::/40	34431	0.89%	28598 -- DB3 SERVICOS DE TELECOMUNICACOES S.A, BR
4	2800:540:2000::/44	26430	0.68%	27995 -- CLARO CHILE S.A., CL 6535 -- Telmex Servicios Empresariales S.A., CL
5	2800:540:2010::/44	25619	0.66%	27995 -- CLARO CHILE S.A., CL 6535 -- Telmex Servicios Empresariales S.A., CL
6	2a0e:aa07:e044::/48	21119	0.55%	203664 -- LANXING-AS, CN
7	2803:5d10::/32	20823	0.54%	272053 -- ANTUNES FLORES SERGIO OMAR NUEVA NET, AR
8	2a0c:b641:302::/47	20185	0.52%	204210 -- ZEUSPACKAGINGLTD, IE
9	2804:4bec::/32	17732	0.46%	28669 -- VERO S.A, BR
10	2a0e:8f02:f05e::/48	14646	0.38%	212691 -- ARONSTRECKER-AS, DE
11	2001:678:114::/48	14574	0.38%	212691 -- ARONSTRECKER-AS, DE
12	2a14:3f87:9800::/38	13843	0.36%	64289 -- MACARNE - Macarne.com, US
13	2001:fb0:1001::/48	13092	0.34%	9287 -- TIDCC-AS-AP True Internet Data Center Company Limited, TH
14	2404:3280:a::/48	13084	0.34%	9287 -- TIDCC-AS-AP True Internet Data Center Company Limited, TH
15	2001:fb0:1002::/48	13075	0.34%	9287 -- TIDCC-AS-AP True Internet Data Center Company Limited, TH
16	2001:fb0:1000::/48	13040	0.34%	9287 -- TIDCC-AS-AP True Internet Data Center Company Limited, TH
17	2404:3280::/32	13023	0.34%	9287 -- TIDCC-AS-AP True Internet Data Center Company Limited, TH
18	2a03:90c0:7a0::/44	11633	0.30%	59437 -- NORTHERNDATA, DE
19	2804:64d8::/32	11576	0.30%	269453 -- LUCIANO YAMASHIRO PINTO, BR
20	2406:840:e620::/48	10693	0.28%	138535 -- FURDEVS-AS-AP Wu Qi, CN
21	2a00:af60::/32	10358	0.27%	199364 -- RAX-AS, BG
22	2c0f:c00:100::/40	9635	0.25%	328327 -- ASAP-AS, ZA
23	2804:20fc:2000::/36	9436	0.24%	264525 -- Coelho Tecnologia, BR
24	2a0a:e5c1:517::/48	9425	0.24%	199553 -- UNGLEICH-PLACE5, CH
25	2a0a:e5c0:45::/48	9321	0.24%	199553 -- UNGLEICH-PLACE5, CH
26	2a0a:e5c0:16::/48	9320	0.24%	199553 -- UNGLEICH-PLACE5, CH
27	240d:c010:165::/48	9316	0.24%	139341 -- ACE-AS-AP ACE, SG
28	2a0a:5480:4::/48	9281	0.24%	211894 -- UNGLEICH-PLACE18, CH
29	2a0a:5480:1::/48	9279	0.24%	211894 -- UNGLEICH-PLACE18, CH
30	2a0a:5480::/48	9279	0.24%	211894 -- UNGLEICH-PLACE18, CH
31	2a0a:5480:3::/48	9217	0.24%	211894 -- UNGLEICH-PLACE18, CH
32	2a0a:5480:1ac::/48	9181	0.24%	211894 -- UNGLEICH-PLACE18, CH
33	2a0a:5480:5::/48	9179	0.24%	211894 -- UNGLEICH-PLACE18, CH
34	2a0a:5480:2::/48	9176	0.24%	211894 -- UNGLEICH-PLACE18, CH
35	2c0f:c00:3000::/36	8820	0.23%	328327 -- ASAP-AS, ZA
36	2c0f:c00:200::/40	8635	0.22%	328327 -- ASAP-AS, ZA
37	2a0d:2a00:2::/48	8612	0.22%	205157 -- CIDNOC, US
38	2a0d:2a00:1::/48	8609	0.22%	205157 -- CIDNOC, US
39	2a0e:b107:19cb::/48	8563	0.22%	214450 -- OGL-AS, DE
40	2a0b:a8c0:2::/48	8238	0.21%	202181 -- TAMCOM-AS, RU
41	2001:678:658::/48	8186	0.21%	214450 -- OGL-AS, DE
42	2a05:4140:304::/48	8080	0.21%	204508 -- MLGT, IT
43	2001:67c:20fc::/48	7862	0.20%	210564 -- SWANTZTER-AS, SE
44	2804:7bf8:c000::/34	7831	0.20%	271466 -- UC Telecom Ltda, BR
45	2a05:4140:316::/48	7757	0.20%	204508 -- MLGT, IT
46	2a05:4140:333::/48	7604	0.20%	204508 -- MLGT, IT
47	2a05:4140:380::/42	7597	0.20%	204508 -- MLGT, IT
48	2600:6c7f:9370::/44	7583	0.20%	19115 -- CHARTER-19115-DC - Charter Communications LLC, US
49	2a14:7580:ee0b::/48	7431	0.19%	215956 -- MYIP-AS MyIP.be ~ AS215956, BE
50	2a14:7580:ed58::/46	7421	0.19%	215956 -- MYIP-AS MyIP.be ~ AS215956, BE
Total		678058	17.54%

14 Day BGP Update Statistics Profile: 20-January-2026 00:00 - 3-February-2026 23:59 (UTC+1000)

Number of BGP Update Messages:	17738474
Number of Prefix Changes:	20155572
Number of Prefix Updates:	17738474
Number of Prefix Withdrawals:	2417098
Average Prefixes per BGP Update:	1.14
Average BGP Update Messages per second:	14.66
Average Prefix Updates per second:	16.66
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:	3659169	(0.21 of recv'd updates)
Number of RIB Prefix Withdrawals:	208850	(0.09 of recv'd withdrawals)
Peak RIB Update Rate per second:	10982	(05:48:51 Sun, 1-Feb-2026)
Peak RIB Withdrawal Rate per second:	3544	(20:52:40 Thu, 22-Jan-2026)
Seen Prefix Count:	254778
Updated Prefix Count:	172505
Stable Prefix Count:	82273
Seen Origin AS Count:	36091
Updated Origin AS Count:	30421
Stable Origin AS Count:	5670
Seen Unique Path Count:	167673
Updated Path Count:	143218
Stable Path Count:	24455

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