The BGP IPv6 Instability Report

This report is updated daily. The current report
was generated on 30 January 2026 01:14 (UTC+1000)

50 Most active ASes for the past 14 days

RANK	ASN	UPDs	%	Prefixes	UPDs/Prefix	AS NAME
1	7552	311936	8.84%	3980	78.38	VIETEL-AS-AP Viettel Group, VN
2	39891	192213	5.45%	2058	93.40	ALJAWWALSTC-AS, SA
3	199340	99833	2.83%	2267	44.04	HONG-GUANWAN, HK
4	16509	90772	2.57%	5420	16.75	AMAZON-02 - Amazon.com, Inc., US
5	40138	88181	2.50%	38	2320.55	MDNET - Mach Dilemma, LLC, US
6	28649	78230	2.22%	77	1015.97	Desktop Sigmanet Comunicacao Multimidia SA, BR
7	211894	64334	1.82%	8	8041.75	UNGLEICH-PLACE18, CH
8	202256	56781	1.61%	265	214.27	LAWLIETNET, CN
9	204508	48199	1.37%	17	2835.24	MLGT, IT
10	21351	40318	1.14%	17	2371.65	CANALPLUSTELECOM, GP
11	396509	40164	1.14%	13	3089.54	LETSCLOUD - LETSCLOUD, US
12	28126	33664	0.95%	26	1294.77	BRISANET SERVICOS DE TELECOMUNICACOES S.A, BR
13	28598	33495	0.95%	14	2392.50	DB3 SERVICOS DE TELECOMUNICACOES S.A, BR
14	199553	32476	0.92%	6	5412.67	UNGLEICH-PLACE5, CH
15	6535	31588	0.90%	8	3948.50	Telmex Servicios Empresariales S.A., CL
16	45271	30165	0.86%	1250	24.13	VIL-AS-AP Vodafone Idea Ltd, IN
17	271466	29824	0.85%	10	2982.40	UC Telecom Ltda, BR
18	22927	29368	0.83%	253	116.08	Telefonica de Argentina, AR
19	38266	25808	0.73%	1363	18.93	VIL-AS-AP Vodafone Idea Ltd, IN
20	328327	23556	0.67%	6	3926.00	ASAP-AS, ZA
21	137409	23533	0.67%	1121	20.99	GSLNETWORKS-AS-AP GSL Networks Pty LTD, AU
22	274743	23298	0.66%	7	3328.29	FASTWEB TELECOMUNICACOES, BR
23	272053	23265	0.66%	1	23265.00	ANTUNES FLORES SERGIO OMAR NUEVA NET, AR
24	17072	22036	0.62%	1409	15.64	TOTAL PLAY TELECOMUNICACIONES SA DE CV, MX
25	204210	21996	0.62%	4	5499.00	ZEUSPACKAGINGLTD, IE
26	10103	21652	0.61%	12	1804.33	HKBN-AS-AP HK Broadband Network Ltd., HK
27	213092	20599	0.58%	12	1716.58	MARBLEIS, GB
28	149500	20420	0.58%	4	5105.00	SR-AS-AP Shane Renshaw, HK
29	139341	19903	0.56%	182	109.36	ACE-AS-AP ACE, SG
30	42772	19619	0.56%	19	1032.58	A1-BY-AS, BY
31	136873	19516	0.55%	8	2439.50	MEGADATA-AS-ID MEGADATA-ISP, ID
32	262448	19118	0.54%	11	1738.00	DIALHOST INTERNET EIRELI, BR
33	214450	18868	0.53%	2	9434.00	OGL-AS, DE
34	203664	18713	0.53%	1	18713.00	LANXING-AS, CN
35	18403	18550	0.53%	3612	5.14	FPT-AS-AP FPT Telecom Company, VN
36	48635	16998	0.48%	21	809.43	CLDIN-NL Your Hosting B.V. part of Your.Online, NL
37	9287	16191	0.46%	8	2023.88	TIDCC-AS-AP True Internet Data Center Company Limited, TH
38	23679	16014	0.45%	26	615.92	NUSANET-AS-ID PT. Media Antar Nusa, ID
39	5416	15667	0.44%	1043	15.02	Internet Service Provider, BH
40	13335	15602	0.44%	3170	4.92	CLOUDFLARENET - Cloudflare, Inc., US
41	212691	15593	0.44%	2	7796.50	ARONSTRECKER-AS, DE
42	215956	15567	0.44%	35	444.77	MYIP-AS MyIP.be ~ AS215956, BE
43	30058	15520	0.44%	146	106.30	FDCSERVERS - FDCservers.net, US
44	28640	15417	0.44%	15	1027.80	VIPWAY Telecomunicacoes Ltda, BR
45	211972	15025	0.43%	7	2146.43	MSN-NET, DE
46	263516	14280	0.40%	7	2040.00	Plis Inteligencia em Tecnologia Ltda., BR
47	9829	14217	0.40%	832	17.09	BSNL-NIB National Internet Backbone, IN
48	8386	14095	0.40%	20	704.75	KOCNET, TR
49	20473	13538	0.38%	256	52.88	AS-VULTR - The Constant Company, LLC, US
50	64289	13533	0.38%	3	4511.00	MACARNE - Macarne.com, US
Total		1919248	54.37%

50 Most active ASes for the past 14 days

RANK	ASN	UPDs/Prefix	%	Prefixes	UPDs	AS NAME
1	272053	23265.0	0.66%	1	23265	ANTUNES FLORES SERGIO OMAR NUEVA NET, AR
2	203664	18713.0	0.53%	1	18713	LANXING-AS, CN
3	210564	11525.0	0.33%	1	11525	SWANTZTER-AS, SE
4	214450	9434.0	0.53%	2	18868	OGL-AS, DE
5	141145	8054.0	0.23%	1	8054	GIGANET-AS-ID PT Giga Digital Nusantara, ID
6	211894	8041.8	1.82%	8	64334	UNGLEICH-PLACE18, CH
7	212691	7796.5	0.44%	2	15593	ARONSTRECKER-AS, DE
8	199678	6089.0	0.17%	1	6089	AS-6RW-, RU
9	205651	5552.0	0.16%	1	5552	CATOFES, CN
10	204210	5499.0	0.62%	4	21996	ZEUSPACKAGINGLTD, IE
11	199553	5412.7	0.92%	6	32476	UNGLEICH-PLACE5, CH
12	149500	5105.0	0.58%	4	20420	SR-AS-AP Shane Renshaw, HK
13	20915	4762.0	0.13%	1	4762	HUNDRED-PERCENT-IT, GB
14	328327	4711.2	0.67%	6	23556	ASAP-AS, ZA
15	64289	4511.0	0.38%	3	13533	MACARNE - Macarne.com, US
16	202181	4190.0	0.12%	1	4190	TAMCOM-AS, RU
17	6535	3948.5	0.90%	8	31588	Telmex Servicios Empresariales S.A., CL
18	198090	3900.0	0.11%	1	3900	ASLIBRA, IT
19	138535	3709.3	0.32%	3	11128	FURDEVS-AS-AP Wu Qi, CN
20	396509	3651.3	1.14%	13	40164	LETSCLOUD - LETSCLOUD, US
21	211645	3492.0	0.10%	1	3492	SPG, DE
22	274743	3328.3	0.66%	7	23298	FASTWEB TELECOMUNICACOES, BR
23	271466	2982.4	0.85%	10	29824	UC Telecom Ltda, BR
24	214371	2914.0	0.08%	1	2914	HORIZON-IT, NL
25	203168	2885.5	0.16%	2	5771	JLPB-AS, GB
26	263516	2856.0	0.40%	7	14280	Plis Inteligencia em Tecnologia Ltda., BR
27	204508	2835.2	1.37%	17	48199	MLGT, IT
28	199235	2720.0	0.08%	1	2720	MIKROHALO-HU-AS, HU
29	58419	2645.0	0.15%	2	5290	DATAVAIL-IN Datavail Infotech Pvt Ltd, IN
30	136873	2439.5	0.55%	8	19516	MEGADATA-AS-ID MEGADATA-ISP, ID
31	44212	2404.0	0.27%	4	9616	ADELPHINET1-AS, IE
32	28598	2392.5	0.95%	14	33495	DB3 SERVICOS DE TELECOMUNICACOES S.A, BR
33	21351	2371.6	1.14%	17	40318	CANALPLUSTELECOM, GP
34	40138	2320.6	2.50%	38	88181	MDNET - Mach Dilemma, LLC, US
35	205820	2160.0	0.12%	2	4320	VDCBY-AS, BY
36	211972	2146.4	0.43%	7	15025	MSN-NET, DE
37	208948	2112.7	0.18%	3	6338	RECYCLED-CLOUD-AS, CH
38	50685	2090.0	0.06%	1	2090	UNITED-NETWORKS-AS, BY
39	9287	2023.9	0.46%	8	16191	TIDCC-AS-AP True Internet Data Center Company Limited, TH
40	199689	1985.0	0.06%	1	1985	JOSHA-PRIOR Netralex BYOIP, NL
41	268157	1984.6	0.28%	7	9923	ELEVAR TELECOM LTDA, BR
42	61609	1900.0	0.11%	2	3800	NextHop Solutions, BR
43	30083	1893.3	0.16%	3	5680	AS-30083-US-VELIA-NET - velia.net, DE
44	28292	1855.7	0.37%	7	12990	ENGEPLUS INFORMATICA LTDA, BR
45	28649	1819.3	2.22%	77	78230	Desktop Sigmanet Comunicacao Multimidia SA, BR
46	10103	1804.3	0.61%	12	21652	HKBN-AS-AP HK Broadband Network Ltd., HK
47	28669	1753.0	0.20%	4	7012	VERO S.A, BR
48	47279	1747.0	0.05%	1	1747	TPIP-AS, DE
49	262448	1738.0	0.54%	11	19118	DIALHOST INTERNET EIRELI, BR
50	56118	1722.0	0.05%
Total		217192.1	25.92%

50 Most active Prefixes for the past 14 days

RANK	PREFIX	UPDs	%	Origin AS -- AS NAME
1	2a02:1391:5100::/40	40281	1.07%	21351 -- CANALPLUSTELECOM, GP
2	2804:248:100::/40	33479	0.89%	28598 -- DB3 SERVICOS DE TELECOMUNICACOES S.A, BR
3	2803:5d10::/32	23265	0.62%	272053 -- ANTUNES FLORES SERGIO OMAR NUEVA NET, AR
4	2a0c:b641:302::/47	21990	0.59%	204210 -- ZEUSPACKAGINGLTD, IE
5	2800:540:2010::/44	20093	0.53%	27995 -- CLARO CHILE S.A., CL 6535 -- Telmex Servicios Empresariales S.A., CL
6	2a0e:aa07:e044::/48	18713	0.50%	203664 -- LANXING-AS, CN
7	2a10:9902:732::/48	14958	0.40%	211972 -- MSN-NET, DE
8	240d:c010:165::/48	14580	0.39%	139341 -- ACE-AS-AP ACE, SG
9	2a14:3f87:9800::/38	13527	0.36%	64289 -- MACARNE - Macarne.com, US
10	2800:540:2000::/44	12072	0.32%	27995 -- CLARO CHILE S.A., CL 6535 -- Telmex Servicios Empresariales S.A., CL
11	2001:67c:20fc::/48	11525	0.31%	210564 -- SWANTZTER-AS, SE
12	2a05:4140:304::/48	11502	0.31%	204508 -- MLGT, IT
13	2406:840:e620::/48	11108	0.30%	138535 -- FURDEVS-AS-AP Wu Qi, CN
14	2a05:4140:316::/48	11039	0.29%	204508 -- MLGT, IT
15	2a05:4140:333::/48	10883	0.29%	204508 -- MLGT, IT
16	2a05:4140:380::/42	10855	0.29%	204508 -- MLGT, IT
17	2001:678:114::/48	10228	0.27%	212691 -- ARONSTRECKER-AS, DE
18	2a0e:b107:19cb::/48	9610	0.26%	214450 -- OGL-AS, DE
19	2a0a:e5c1:517::/48	9386	0.25%	199553 -- UNGLEICH-PLACE5, CH
20	2a0a:e5c0:16::/48	9293	0.25%	199553 -- UNGLEICH-PLACE5, CH
21	2a0a:e5c0:45::/48	9292	0.25%	199553 -- UNGLEICH-PLACE5, CH
22	2001:678:658::/48	9258	0.25%	214450 -- OGL-AS, DE
23	2a0a:5480:4::/48	9224	0.25%	211894 -- UNGLEICH-PLACE18, CH
24	2a0a:5480:1::/48	9221	0.25%	211894 -- UNGLEICH-PLACE18, CH
25	2a0a:5480::/48	9220	0.25%	211894 -- UNGLEICH-PLACE18, CH
26	2a0a:5480:3::/48	9171	0.24%	211894 -- UNGLEICH-PLACE18, CH
27	2a0a:5480:5::/48	9134	0.24%	211894 -- UNGLEICH-PLACE18, CH
28	2a0a:5480:2::/48	9129	0.24%	211894 -- UNGLEICH-PLACE18, CH
29	2a0a:5480:1ac::/48	9066	0.24%	211894 -- UNGLEICH-PLACE18, CH
30	2a03:90c0:7a0::/44	8733	0.23%	59437 -- NORTHERNDATA, DE
31	2c0f:c00:100::/40	8186	0.22%	328327 -- ASAP-AS, ZA
32	2407:5440::/48	8054	0.21%	141145 -- GIGANET-AS-ID PT Giga Digital Nusantara, ID
33	2c0f:c00:3000::/36	8050	0.21%	328327 -- ASAP-AS, ZA
34	2804:7bf8::/34	7696	0.20%	271466 -- UC Telecom Ltda, BR
35	2600:140f:3200::/48	7554	0.20%	55644 -- VIL-AS-AP Vodafone Idea Ltd, IN
36	2804:7bf8:c000::/34	7402	0.20%	271466 -- UC Telecom Ltda, BR
37	2a14:7580:ed58::/46	7377	0.20%	215956 -- MYIP-AS MyIP.be ~ AS215956, BE
38	2804:7bf8:8000::/34	7365	0.20%	271466 -- UC Telecom Ltda, BR
39	2a14:7580:ee0b::/48	7363	0.20%	215956 -- MYIP-AS MyIP.be ~ AS215956, BE
40	2c0f:c00:200::/40	7318	0.19%	328327 -- ASAP-AS, ZA
41	2804:51f8::/32	7273	0.19%	268487 -- PRISMA TELECOMUNICACOES LTDA. EPP, BR
42	2804:7bf8:4000::/34	7222	0.19%	271466 -- UC Telecom Ltda, BR
43	2600:6c7f:9370::/44	7201	0.19%	19115 -- CHARTER-19115-DC - Charter Communications LLC, US
44	2a0f:9400:7370::/48	7142	0.19%	213092 -- MARBLEIS, GB
45	2a0f:9400:737d::/48	6996	0.19%	213092 -- MARBLEIS, GB
46	2804:4bec::/32	6991	0.19%	28669 -- VERO S.A, BR
47	2001:12a0:4::/48	6922	0.18%	28292 -- ENGEPLUS INFORMATICA LTDA, BR
48	2400:58a0:1003::/48	6649	0.18%	149500 -- SR-AS-AP Shane Renshaw, HK
49	2a0d:d9c3::/32	6330	0.17%	208948 -- RECYCLED-CLOUD-AS, CH
50	2804:868:d059::/48	6282	0.17%	28649 -- Desktop Sigmanet Comunicacao Multimidia SA, BR
Total		555208	14.80%

14 Day BGP Update Statistics Profile: 15-January-2026 00:00 - 29-January-2026 23:59 (UTC+1000)

Number of BGP Update Messages:	16658945
Number of Prefix Changes:	19073736
Number of Prefix Updates:	16658945
Number of Prefix Withdrawals:	2414791
Average Prefixes per BGP Update:	1.14
Average BGP Update Messages per second:	13.77
Average Prefix Updates per second:	15.77
Peak BGP Update Message Rate per second:	9003	(14:01:20 Mon, 19-Jan-2026)
Peak Prefix Update Rate per second:	9003	(14:01:20 Mon, 19-Jan-2026)
Peak Prefix Withdraw Rate per second:	3559	(20:52:40 Thu, 22-Jan-2026, )
Number of RIB Prefix Updates:	3527770	(0.21 of recv'd updates)
Number of RIB Prefix Withdrawals:	230875	(0.10 of recv'd withdrawals)
Peak RIB Update Rate per second:	7478	(19:59:24 Mon, 19-Jan-2026)
Peak RIB Withdrawal Rate per second:	3298	(20:52:40 Thu, 22-Jan-2026)
Seen Prefix Count:	255210
Updated Prefix Count:	247904
Stable Prefix Count:	7306
Seen Origin AS Count:	36064
Updated Origin AS Count:	35811
Stable Origin AS Count:	253
Seen Unique Path Count:	172675
Updated Path Count:	133629
Stable Path Count:	39046

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