The BGP IPv6 Instability Report

This report is updated daily. The current report
was generated on 2 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	313915	9.43%	3980	78.87	VIETEL-AS-AP Viettel Group, VN
2	39891	151422	4.55%	2058	73.58	ALJAWWALSTC-AS, SA
3	199340	102164	3.07%	2266	45.09	HONG-GUANWAN, HK
4	16509	83429	2.51%	5414	15.41	AMAZON-02 - Amazon.com, Inc., US
5	40138	82682	2.48%	38	2175.84	MDNET - Mach Dilemma, LLC, US
6	28649	78301	2.35%	77	1016.90	Desktop Sigmanet Comunicacao Multimidia SA, BR
7	211894	64655	1.94%	8	8081.88	UNGLEICH-PLACE18, CH
8	202256	64049	1.92%	265	241.69	LAWLIETNET, CN
9	5416	44402	1.33%	1043	42.57	Internet Service Provider, BH
10	204508	43137	1.30%	17	2537.47	MLGT, IT
11	22927	42701	1.28%	253	168.78	Telefonica de Argentina, AR
12	210940	42144	1.27%	2	21072.00	SEASONCLOUD, BR
13	396509	39716	1.19%	13	3055.08	LETSCLOUD - LETSCLOUD, US
14	21351	36850	1.11%	16	2303.12	CANALPLUSTELECOM, GP
15	28598	33791	1.01%	14	2413.64	DB3 SERVICOS DE TELECOMUNICACOES S.A, BR
16	212691	32082	0.96%	2	16041.00	ARONSTRECKER-AS, DE
17	199553	31232	0.94%	6	5205.33	UNGLEICH-PLACE5, CH
18	271466	29950	0.90%	10	2995.00	UC Telecom Ltda, BR
19	6535	27667	0.83%	8	3458.38	Telmex Servicios Empresariales S.A., CL
20	328327	23731	0.71%	6	3955.17	ASAP-AS, ZA
21	137409	23525	0.71%	1121	20.99	GSLNETWORKS-AS-AP GSL Networks Pty LTD, AU
22	274743	23098	0.69%	7	3299.71	FASTWEB TELECOMUNICACOES, BR
23	272053	22046	0.66%	1	22046.00	ANTUNES FLORES SERGIO OMAR NUEVA NET, AR
24	203664	21627	0.65%	1	21627.00	LANXING-AS, CN
25	204210	21039	0.63%	4	5259.75	ZEUSPACKAGINGLTD, IE
26	213035	20392	0.61%	3	6797.33	AS-SERVERION Serverion B.V., NL
27	11172	20263	0.61%	2300	8.81	Alestra, S. de R.L. de C.V., MX
28	45271	19244	0.58%	1250	15.40	VIL-AS-AP Vodafone Idea Ltd, IN
29	18403	18902	0.57%	3592	5.26	FPT-AS-AP FPT Telecom Company, VN
30	213092	18797	0.56%	12	1566.42	MARBLEIS, GB
31	28640	17892	0.54%	15	1192.80	VIPWAY Telecomunicacoes Ltda, BR
32	28126	17451	0.52%	26	671.19	BRISANET SERVICOS DE TELECOMUNICACOES S.A, BR
33	17072	17316	0.52%	1409	12.29	TOTAL PLAY TELECOMUNICACIONES SA DE CV, MX
34	214450	17116	0.51%	2	8558.00	OGL-AS, DE
35	38266	17020	0.51%	1363	12.49	VIL-AS-AP Vodafone Idea Ltd, IN
36	262448	16843	0.51%	11	1531.18	DIALHOST INTERNET EIRELI, BR
37	149500	16793	0.50%	4	4198.25	SR-AS-AP Shane Renshaw, HK
38	202181	16375	0.49%	1	16375.00	TAMCOM-AS, RU
39	48635	16252	0.49%	21	773.90	CLDIN-NL Your Hosting B.V. part of Your.Online, NL
40	139341	15527	0.47%	182	85.31	ACE-AS-AP ACE, SG
41	215956	15376	0.46%	35	439.31	MYIP-AS MyIP.be ~ AS215956, BE
42	263516	15043	0.45%	7	2149.00	Plis Inteligencia em Tecnologia Ltda., BR
43	9829	14975	0.45%	890	16.83	BSNL-NIB National Internet Backbone, IN
44	30058	14787	0.44%	146	101.28	FDCSERVERS - FDCservers.net, US
45	28292	14734	0.44%	7	2104.86	ENGEPLUS INFORMATICA LTDA, BR
46	64289	13787	0.41%	3	4595.67	MACARNE - Macarne.com, US
47	23679	13777	0.41%	26	529.88	NUSANET-AS-ID PT. Media Antar Nusa, ID
48	20473	13250	0.40%	259	51.16	AS-VULTR - The Constant Company, LLC, US
49	13335	12940	0.39%	3170	4.08	CLOUDFLARENET - Cloudflare, Inc., US
50	21664	12422	0.37%	37	335.73	AMZN-BYOASN - Amazon.com, Inc., US
Total		1886629	56.63%

50 Most active ASes for the past 14 days

RANK	ASN	UPDs/Prefix	%	Prefixes	UPDs	AS NAME
1	272053	22046.0	0.66%	1	22046	ANTUNES FLORES SERGIO OMAR NUEVA NET, AR
2	203664	21627.0	0.65%	1	21627	LANXING-AS, CN
3	210940	21072.0	1.27%	2	42144	SEASONCLOUD, BR
4	202181	16375.0	0.49%	1	16375	TAMCOM-AS, RU
5	212691	16041.0	0.96%	2	32082	ARONSTRECKER-AS, DE
6	210564	9086.0	0.27%	1	9086	SWANTZTER-AS, SE
7	214450	8558.0	0.51%	2	17116	OGL-AS, DE
8	211894	8081.9	1.94%	8	64655	UNGLEICH-PLACE18, CH
9	205651	7002.0	0.21%	1	7002	CATOFES, CN
10	213035	6797.3	0.61%	3	20392	AS-SERVERION Serverion B.V., NL
11	141145	6560.0	0.20%	1	6560	GIGANET-AS-ID PT Giga Digital Nusantara, ID
12	204210	5259.8	0.63%	4	21039	ZEUSPACKAGINGLTD, IE
13	199553	5205.3	0.94%	6	31232	UNGLEICH-PLACE5, CH
14	20915	4802.0	0.14%	1	4802	HUNDRED-PERCENT-IT, GB
15	328327	4746.2	0.71%	6	23731	ASAP-AS, ZA
16	64289	4595.7	0.41%	3	13787	MACARNE - Macarne.com, US
17	149500	4198.2	0.50%	4	16793	SR-AS-AP Shane Renshaw, HK
18	198090	3903.0	0.12%	1	3903	ASLIBRA, IT
19	151650	3884.0	0.12%	1	3884	SWITCHFIBER-AS-AP Switch Fiber, PH
20	138535	3626.0	0.33%	3	10878	FURDEVS-AS-AP Wu Qi, CN
21	211645	3624.0	0.11%	1	3624	SPG, DE
22	396509	3610.5	1.19%	13	39716	LETSCLOUD - LETSCLOUD, US
23	6535	3458.4	0.83%	8	27667	Telmex Servicios Empresariales S.A., CL
24	274743	3299.7	0.69%	7	23098	FASTWEB TELECOMUNICACOES, BR
25	263516	3008.6	0.45%	7	15043	Plis Inteligencia em Tecnologia Ltda., BR
26	271466	2995.0	0.90%	10	29950	UC Telecom Ltda, BR
27	58419	2940.5	0.18%	2	5881	DATAVAIL-IN Datavail Infotech Pvt Ltd, IN
28	28669	2923.8	0.35%	4	11695	VERO S.A, BR
29	199678	2867.0	0.09%	1	2867	AS-6RW-, RU
30	210796	2865.5	0.17%	2	5731	BJOERN-SCHLEYER Bjoern Schleyer, DE
31	199235	2748.0	0.08%	1	2748	MIKROHALO-HU-AS, HU
32	61609	2656.5	0.16%	2	5313	NextHop Solutions, BR
33	204508	2537.5	1.30%	17	43137	MLGT, IT
34	6871	2502.3	0.23%	3	7507	PLUSNET UK Internet Service Provider, GB
35	28598	2413.6	1.01%	14	33791	DB3 SERVICOS DE TELECOMUNICACOES S.A, BR
36	21351	2303.1	1.11%	16	36850	CANALPLUSTELECOM, GP
37	44212	2298.0	0.28%	4	9192	ADELPHINET1-AS, IE
38	40138	2175.8	2.48%	38	82682	MDNET - Mach Dilemma, LLC, US
39	208948	2120.3	0.19%	3	6361	RECYCLED-CLOUD-AS, CH
40	28292	2104.9	0.44%	7	14734	ENGEPLUS INFORMATICA LTDA, BR
41	203168	2034.0	0.12%	2	4068	JLPB-AS, GB
42	214371	2002.0	0.06%	1	2002	HORIZON-IT, NL
43	268157	1984.6	0.30%	7	9923	ELEVAR TELECOM LTDA, BR
44	28649	1821.0	2.35%	77	78301	Desktop Sigmanet Comunicacao Multimidia SA, BR
45	47279	1753.0	0.05%	1	1753	TPIP-AS, DE
46	199689	1714.0	0.05%	1	1714	JOSHA-PRIOR Netralex BYOIP, NL
47	40929	1638.0	0.15%	3	4914	MOEDOVE-BN - MoeDove, US
48	57928	1599.0	0.05%	1	1599	PRODWARE-AS, FR
49	56118	1593.0	0.05%	1	1593	OCSC-TH Office of the Civil Service Commission 47111 Tiwanon Road, Talad Kwan Sub-District, Muang District, Nonthaburi 11000, TH
50	213092	1566.4	0.56%
Total		256624.4	27.65%

50 Most active Prefixes for the past 14 days

RANK	PREFIX	UPDs	%	Origin AS -- AS NAME
1	2a14:67c1:b300::/40	42138	1.19%	210940 -- SEASONCLOUD, BR
2	2a02:1391:5100::/40	36834	1.04%	21351 -- CANALPLUSTELECOM, GP
3	2804:248:100::/40	33778	0.95%	28598 -- DB3 SERVICOS DE TELECOMUNICACOES S.A, BR
4	2803:5d10::/32	22046	0.62%	272053 -- ANTUNES FLORES SERGIO OMAR NUEVA NET, AR
5	2a0e:aa07:e044::/48	21627	0.61%	203664 -- LANXING-AS, CN
6	2a0c:b641:302::/47	21036	0.59%	204210 -- ZEUSPACKAGINGLTD, IE
7	2a10:1440::/29	20390	0.58%	213035 -- AS-SERVERION Serverion B.V., NL
8	2001:678:114::/48	18214	0.51%	212691 -- ARONSTRECKER-AS, DE
9	2a0b:a8c0:2::/48	16375	0.46%	202181 -- TAMCOM-AS, RU
10	2800:540:2010::/44	14546	0.41%	27995 -- CLARO CHILE S.A., CL 6535 -- Telmex Servicios Empresariales S.A., CL
11	2a0e:8f02:f05e::/48	13868	0.39%	212691 -- ARONSTRECKER-AS, DE
12	2a14:3f87:9800::/38	13777	0.39%	64289 -- MACARNE - Macarne.com, US
13	2800:540:2000::/44	13291	0.38%	27995 -- CLARO CHILE S.A., CL 6535 -- Telmex Servicios Empresariales S.A., CL
14	2804:4bec::/32	11674	0.33%	28669 -- VERO S.A, BR
15	2406:840:e620::/48	10874	0.31%	138535 -- FURDEVS-AS-AP Wu Qi, CN
16	2a03:90c0:7a0::/44	10134	0.29%	59437 -- NORTHERNDATA, DE
17	240d:c010:165::/48	9846	0.28%	139341 -- ACE-AS-AP ACE, SG
18	2a05:4140:304::/48	9693	0.27%	204508 -- MLGT, IT
19	2a0a:e5c1:517::/48	9447	0.27%	199553 -- UNGLEICH-PLACE5, CH
20	2a0a:e5c0:16::/48	9337	0.26%	199553 -- UNGLEICH-PLACE5, CH
21	2a0a:e5c0:45::/48	9337	0.26%	199553 -- UNGLEICH-PLACE5, CH
22	2a0a:5480:4::/48	9296	0.26%	211894 -- UNGLEICH-PLACE18, CH
23	2a0a:5480:1::/48	9295	0.26%	211894 -- UNGLEICH-PLACE18, CH
24	2a0a:5480::/48	9295	0.26%	211894 -- UNGLEICH-PLACE18, CH
25	2a05:4140:316::/48	9260	0.26%	204508 -- MLGT, IT
26	2a0a:5480:3::/48	9232	0.26%	211894 -- UNGLEICH-PLACE18, CH
27	2a0a:5480:5::/48	9188	0.26%	211894 -- UNGLEICH-PLACE18, CH
28	2a0a:5480:2::/48	9185	0.26%	211894 -- UNGLEICH-PLACE18, CH
29	2a05:4140:333::/48	9094	0.26%	204508 -- MLGT, IT
30	2001:67c:20fc::/48	9086	0.26%	210564 -- SWANTZTER-AS, SE
31	2a05:4140:380::/42	9077	0.26%	204508 -- MLGT, IT
32	2a0a:5480:1ac::/48	8839	0.25%	211894 -- UNGLEICH-PLACE18, CH
33	2a0e:b107:19cb::/48	8743	0.25%	214450 -- OGL-AS, DE
34	2001:678:658::/48	8373	0.24%	214450 -- OGL-AS, DE
35	2c0f:c00:100::/40	8171	0.23%	328327 -- ASAP-AS, ZA
36	2a10:9902:732::/48	7946	0.22%	211972 -- MSN-NET, DE
37	2c0f:c00:3000::/36	7885	0.22%	328327 -- ASAP-AS, ZA
38	2804:7bf8:c000::/34	7778	0.22%	271466 -- UC Telecom Ltda, BR
39	2c0f:c00:200::/40	7673	0.22%	328327 -- ASAP-AS, ZA
40	2001:12a0:4::/48	7647	0.22%	28292 -- ENGEPLUS INFORMATICA LTDA, BR
41	2a02:16c8::/35	7505	0.21%	6871 -- PLUSNET UK Internet Service Provider, GB
42	2a00:af60::/32	7480	0.21%	199364 -- RAX-AS, BG
43	2804:7bf8::/34	7479	0.21%	271466 -- UC Telecom Ltda, BR
44	2600:6c7f:9370::/44	7468	0.21%	19115 -- CHARTER-19115-DC - Charter Communications LLC, US
45	2804:7bf8:4000::/34	7372	0.21%	271466 -- UC Telecom Ltda, BR
46	2a14:7580:ed58::/46	7349	0.21%	215956 -- MYIP-AS MyIP.be ~ AS215956, BE
47	2a14:7580:ee0b::/48	7338	0.21%	215956 -- MYIP-AS MyIP.be ~ AS215956, BE
48	2804:7bf8:8000::/34	7259	0.21%	271466 -- UC Telecom Ltda, BR
49	2a0d:2904::/44	7002	0.20%	205651 -- CATOFES, CN
50	2001:12a0:a000::/48	6911	0.20%	28292 -- ENGEPLUS INFORMATICA LTDA, BR
Total		606488	17.14%

14 Day BGP Update Statistics Profile: 18-January-2026 00:00 - 1-February-2026 23:59 (UTC+1000)

Number of BGP Update Messages:	17502696
Number of Prefix Changes:	19839556
Number of Prefix Updates:	17502696
Number of Prefix Withdrawals:	2336860
Average Prefixes per BGP Update:	1.13
Average BGP Update Messages per second:	14.47
Average Prefix Updates per second:	16.40
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:	3559	(20:52:40 Thu, 22-Jan-2026, )
Number of RIB Prefix Updates:	3329244	(0.19 of recv'd updates)
Number of RIB Prefix Withdrawals:	208272	(0.09 of recv'd withdrawals)
Peak RIB Update Rate per second:	7793	(19:59:24 Mon, 19-Jan-2026)
Peak RIB Withdrawal Rate per second:	3454	(20:52:40 Thu, 22-Jan-2026)
Seen Prefix Count:	255456
Updated Prefix Count:	249041
Stable Prefix Count:	6415
Seen Origin AS Count:	36084
Updated Origin AS Count:	35842
Stable Origin AS Count:	242
Seen Unique Path Count:	170769
Updated Path Count:	129369
Stable Path Count:	41400

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