The BGP IPv6 Instability Report

This report is updated daily. The current report
was generated on 26 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	363516	10.92%	3977	91.40	VIETEL-AS-AP Viettel Group, VN
2	199340	101192	3.04%	2267	44.64	HONG-GUANWAN, HK
3	16509	93087	2.80%	5426	17.16	AMAZON-02 - Amazon.com, Inc., US
4	40138	87494	2.63%	38	2302.47	MDNET - Mach Dilemma, LLC, US
5	28649	75137	2.26%	77	975.81	Desktop Sigmanet Comunicacao Multimidia SA, BR
6	28126	66302	1.99%	68	975.03	BRISANET SERVICOS DE TELECOMUNICACOES S.A, BR
7	211894	64873	1.95%	8	8109.12	UNGLEICH-PLACE18, CH
8	204508	48023	1.44%	17	2824.88	MLGT, IT
9	202256	46166	1.39%	265	174.21	LAWLIETNET, CN
10	21351	43439	1.30%	17	2555.24	CANALPLUSTELECOM, GP
11	396509	38422	1.15%	13	2955.54	LETSCLOUD - LETSCLOUD, US
12	199553	35370	1.06%	6	5895.00	UNGLEICH-PLACE5, CH
13	38266	34383	1.03%	1384	24.84	VIL-AS-AP Vodafone Idea Ltd, IN
14	28598	32839	0.99%	14	2345.64	DB3 SERVICOS DE TELECOMUNICACOES S.A, BR
15	271466	28294	0.85%	10	2829.40	UC Telecom Ltda, BR
16	136873	26922	0.81%	8	3365.25	MEGADATA-AS-ID MEGADATA-ISP, ID
17	45271	26051	0.78%	1250	20.84	VIL-AS-AP Vodafone Idea Ltd, IN
18	272053	25364	0.76%	1	25364.00	ANTUNES FLORES SERGIO OMAR NUEVA NET, AR
19	211972	25036	0.75%	7	3576.57	MSN-NET, DE
20	137409	24579	0.74%	1104	22.26	GSLNETWORKS-AS-AP GSL Networks Pty LTD, AU
21	328327	23838	0.72%	6	3973.00	ASAP-AS, ZA
22	265594	22981	0.69%	401	57.31	Television Internacional, S.A. de C.V., MX
23	17072	22332	0.67%	1410	15.84	TOTAL PLAY TELECOMUNICACIONES SA DE CV, MX
24	204210	22291	0.67%	4	5572.75	ZEUSPACKAGINGLTD, IE
25	262448	21756	0.65%	11	1977.82	DIALHOST INTERNET EIRELI, BR
26	10103	21666	0.65%	12	1805.50	HKBN-AS-AP HK Broadband Network Ltd., HK
27	42772	21344	0.64%	19	1123.37	A1-BY-AS, BY
28	213092	20657	0.62%	12	1721.42	MARBLEIS, GB
29	203664	19139	0.57%	1	19139.00	LANXING-AS, CN
30	214450	18525	0.56%	2	9262.50	OGL-AS, DE
31	48635	17928	0.54%	21	853.71	CLDIN-NL Your Hosting B.V. part of Your.Online, NL
32	32098	17634	0.53%	1743	10.12	TRANSTELCO-INC - Transtelco Inc, US
33	149500	16884	0.51%	4	4221.00	SR-AS-AP Shane Renshaw, HK
34	18403	16861	0.51%	3612	4.67	FPT-AS-AP FPT Telecom Company, VN
35	8386	15633	0.47%	20	781.65	KOCNET, TR
36	30058	15462	0.46%	146	105.90	FDCSERVERS - FDCservers.net, US
37	215956	15402	0.46%	35	440.06	MYIP-AS MyIP.be ~ AS215956, BE
38	274743	14751	0.44%	7	2107.29	FASTWEB TELECOMUNICACOES, BR
39	9829	14094	0.42%	832	16.94	BSNL-NIB National Internet Backbone, IN
40	61573	14033	0.42%	13	1079.46	IP TELECOM, BR
41	22927	13676	0.41%	252	54.27	Telefonica de Argentina, AR
42	13335	13541	0.41%	3167	4.28	CLOUDFLARENET - Cloudflare, Inc., US
43	9287	13371	0.40%	8	1671.38	TIDCC-AS-AP True Internet Data Center Company Limited, TH
44	210564	12865	0.39%	1	12865.00	SWANTZTER-AS, SE
45	21664	12764	0.38%	37	344.97	AMZN-BYOASN - Amazon.com, Inc., US
46	2018	12728	0.38%	14	909.14	TENET-1, ZA
47	12041	12556	0.38%	228	55.07	AS-AFILIAS1 - Afilias, Inc., US
48	39891	12338	0.37%	2058	6.00	ALJAWWALSTC-AS, SA
49	20473	12275	0.37%	229	53.60	AS-VULTR - The Constant Company, LLC, US
50	25106	12222	0.37%	32	381.94	MTSBY-AS, BY
Total		1788036	53.70%

50 Most active ASes for the past 14 days

RANK	ASN	UPDs/Prefix	%	Prefixes	UPDs	AS NAME
1	272053	25364.0	0.76%	1	25364	ANTUNES FLORES SERGIO OMAR NUEVA NET, AR
2	203664	19139.0	0.57%	1	19139	LANXING-AS, CN
3	210564	12865.0	0.39%	1	12865	SWANTZTER-AS, SE
4	214450	9262.5	0.56%	2	18525	OGL-AS, DE
5	141145	8528.0	0.26%	1	8528	GIGANET-AS-ID PT Giga Digital Nusantara, ID
6	211894	8109.1	1.95%	8	64873	UNGLEICH-PLACE18, CH
7	205651	6876.0	0.21%	1	6876	CATOFES, CN
8	203168	6756.0	0.20%	1	6756	JLPB-AS, GB
9	199678	5976.0	0.18%	1	5976	AS-6RW-, RU
10	199553	5895.0	1.06%	6	35370	UNGLEICH-PLACE5, CH
11	212691	5823.0	0.35%	2	11646	ARONSTRECKER-AS, DE
12	204210	5572.8	0.67%	4	22291	ZEUSPACKAGINGLTD, IE
13	20915	4833.0	0.15%	1	4833	HUNDRED-PERCENT-IT, GB
14	328327	4767.6	0.72%	6	23838	ASAP-AS, ZA
15	149500	4221.0	0.51%	4	16884	SR-AS-AP Shane Renshaw, HK
16	198090	3890.0	0.12%	1	3890	ASLIBRA, IT
17	138535	3687.7	0.33%	3	11063	FURDEVS-AS-AP Wu Qi, CN
18	211972	3576.6	0.75%	7	25036	MSN-NET, DE
19	396509	3492.9	1.15%	13	38422	LETSCLOUD - LETSCLOUD, US
20	26445	3382.0	0.10%	1	3382	OWL - 4096 SVCS LLC, US
21	211645	3382.0	0.10%	1	3382	SPG, DE
22	136873	3365.2	0.81%	8	26922	MEGADATA-AS-ID MEGADATA-ISP, ID
23	214371	3363.0	0.10%	1	3363	HORIZON-IT, NL
24	213035	3165.7	0.29%	3	9497	AS-SERVERION Serverion B.V., NL
25	202181	3032.0	0.09%	1	3032	TAMCOM-AS, RU
26	151810	2908.2	0.35%	4	11633	PHYLAXISINC-AS-AP Phylaxis Korea, KR
27	271466	2829.4	0.85%	10	28294	UC Telecom Ltda, BR
28	204508	2824.9	1.44%	17	48023	MLGT, IT
29	199235	2771.0	0.08%	1	2771	MIKROHALO-HU-AS, HU
30	21351	2555.2	1.30%	17	43439	CANALPLUSTELECOM, GP
31	44212	2488.0	0.30%	4	9952	ADELPHINET1-AS, IE
32	6871	2478.0	0.22%	3	7434	PLUSNET UK Internet Service Provider, GB
33	50685	2467.0	0.07%	1	2467	UNITED-NETWORKS-AS, BY
34	28598	2345.6	0.99%	14	32839	DB3 SERVICOS DE TELECOMUNICACOES S.A, BR
35	205820	2308.5	0.14%	2	4617	VDCBY-AS, BY
36	40138	2302.5	2.63%	38	87494	MDNET - Mach Dilemma, LLC, US
37	47279	2241.0	0.07%	1	2241	TPIP-AS, DE
38	58419	2149.0	0.13%	2	4298	DATAVAIL-IN Datavail Infotech Pvt Ltd, IN
39	208948	2111.0	0.19%	3	6333	RECYCLED-CLOUD-AS, CH
40	274743	2107.3	0.44%	7	14751	FASTWEB TELECOMUNICACOES, BR
41	199689	2081.0	0.06%	1	2081	JOSHA-PRIOR Netralex BYOIP, NL
42	262448	1977.8	0.65%	11	21756	DIALHOST INTERNET EIRELI, BR
43	399916	1909.0	0.06%	1	1909	PACKETSTREAM-NAM - PACKETSTREAM LLC, US
44	213092	1877.9	0.62%	12	20657	MARBLEIS, GB
45	10103	1805.5	0.65%	12	21666	HKBN-AS-AP HK Broadband Network Ltd., HK
46	262901	1799.0	0.11%	2	3598	Vcnet Provedora de Internet Ltda., BR
47	53147	1777.0	0.11%	2	3554	FONTES SOLUCOES TECNOLOGICAS LTDA, BR
48	30083	1770.0	0.16%	3	5310	AS-30083-US-VELIA-NET - velia.net, DE
49	150805	1767.0	0.11%	2	3534	A-FIN-KR-AS A-FIN KOREA CORP, KR
50	271944	1766.0	0.05%
Total		223741.9	24.16%

50 Most active Prefixes for the past 14 days

RANK	PREFIX	UPDs	%	Origin AS -- AS NAME
1	2a02:1391:5100::/40	43399	1.21%	21351 -- CANALPLUSTELECOM, GP
2	2804:248:100::/40	32802	0.92%	28598 -- DB3 SERVICOS DE TELECOMUNICACOES S.A, BR
3	2803:5d10::/32	25364	0.71%	272053 -- ANTUNES FLORES SERGIO OMAR NUEVA NET, AR
4	2a10:9902:732::/48	24996	0.70%	211972 -- MSN-NET, DE
5	2a0c:b641:302::/47	22287	0.62%	204210 -- ZEUSPACKAGINGLTD, IE
6	2a0e:aa07:e044::/48	19140	0.54%	203664 -- LANXING-AS, CN
7	2001:67c:20fc::/48	12866	0.36%	210564 -- SWANTZTER-AS, SE
8	2a14:3f87:9800::/38	12065	0.34%	64289 -- MACARNE - Macarne.com, US
9	2a05:4140:304::/48	11592	0.32%	204508 -- MLGT, IT
10	2a05:4140:316::/48	11069	0.31%	204508 -- MLGT, IT
11	2406:840:e620::/48	11059	0.31%	138535 -- FURDEVS-AS-AP Wu Qi, CN
12	2a05:4140:333::/48	11025	0.31%	204508 -- MLGT, IT
13	2a05:4140:380::/42	11006	0.31%	204508 -- MLGT, IT
14	2a10:1440::/29	9495	0.27%	213035 -- AS-SERVERION Serverion B.V., NL
15	2a0a:e5c1:517::/48	9420	0.26%	199553 -- UNGLEICH-PLACE5, CH
16	2a0e:b107:19cb::/48	9369	0.26%	214450 -- OGL-AS, DE
17	2a0a:e5c0:45::/48	9361	0.26%	199553 -- UNGLEICH-PLACE5, CH
18	2a0a:e5c0:16::/48	9355	0.26%	199553 -- UNGLEICH-PLACE5, CH
19	2a0a:5480:1::/48	9282	0.26%	211894 -- UNGLEICH-PLACE18, CH
20	2a0a:5480:4::/48	9281	0.26%	211894 -- UNGLEICH-PLACE18, CH
21	2a0a:5480::/48	9271	0.26%	211894 -- UNGLEICH-PLACE18, CH
22	2a0a:5480:3::/48	9234	0.26%	211894 -- UNGLEICH-PLACE18, CH
23	2a0a:5480:5::/48	9225	0.26%	211894 -- UNGLEICH-PLACE18, CH
24	2a0a:5480:1ac::/48	9222	0.26%	211894 -- UNGLEICH-PLACE18, CH
25	2600:140f:3200::/48	9217	0.26%	55644 -- VIL-AS-AP Vodafone Idea Ltd, IN
26	2a0a:5480:2::/48	9209	0.26%	211894 -- UNGLEICH-PLACE18, CH
27	2001:678:658::/48	9158	0.26%	214450 -- OGL-AS, DE
28	2c0f:c00:3000::/36	8550	0.24%	328327 -- ASAP-AS, ZA
29	2407:5440::/48	8528	0.24%	141145 -- GIGANET-AS-ID PT Giga Digital Nusantara, ID
30	2600:6c7f:9370::/44	8388	0.23%	19115 -- CHARTER-19115-DC - Charter Communications LLC, US
31	2c0f:c00:100::/40	7882	0.22%	328327 -- ASAP-AS, ZA
32	2a02:16c8::/35	7432	0.21%	6871 -- PLUSNET UK Internet Service Provider, GB
33	2804:7bf8:4000::/34	7422	0.21%	271466 -- UC Telecom Ltda, BR
34	2c0f:c00:200::/40	7404	0.21%	328327 -- ASAP-AS, ZA
35	2a14:7580:ed58::/46	7363	0.21%	215956 -- MYIP-AS MyIP.be ~ AS215956, BE
36	2a14:7580:ee0b::/48	7344	0.21%	215956 -- MYIP-AS MyIP.be ~ AS215956, BE
37	2804:7bf8::/34	7335	0.21%	271466 -- UC Telecom Ltda, BR
38	2804:51f8::/32	7207	0.20%	268487 -- PRISMA TELECOMUNICACOES LTDA. EPP, BR
39	2a0a:e5c0:42::/48	7142	0.20%	199553 -- UNGLEICH-PLACE5, CH
40	2804:7bf8:8000::/34	7017	0.20%	271466 -- UC Telecom Ltda, BR
41	2a0f:9400:7370::/48	7004	0.20%	213092 -- MARBLEIS, GB
42	2a03:90c0:7a0::/44	6992	0.20%	59437 -- NORTHERNDATA, DE
43	2a0f:9400:737d::/48	6977	0.20%	213092 -- MARBLEIS, GB
44	2a0d:2904::/44	6876	0.19%	205651 -- CATOFES, CN
45	2a0f:1cc5:1b00::/48	6756	0.19%	203168 -- JLPB-AS, GB
46	2804:7bf8:c000::/34	6357	0.18%	271466 -- UC Telecom Ltda, BR
47	2a0d:d9c3::/32	6331	0.18%	208948 -- RECYCLED-CLOUD-AS, CH
48	2804:868:d059::/48	6198	0.17%	28649 -- Desktop Sigmanet Comunicacao Multimidia SA, BR
49	2804:868:c059::/48	6062	0.17%	28649 -- Desktop Sigmanet Comunicacao Multimidia SA, BR
50	2001:678:114::/48	6045	0.17%	212691 -- ARONSTRECKER-AS, DE
Total		543381	15.25%

14 Day BGP Update Statistics Profile: 11-January-2026 00:00 - 25-January-2026 23:59 (UTC+1000)

Number of BGP Update Messages:	16679143
Number of Prefix Changes:	19255929
Number of Prefix Updates:	16679143
Number of Prefix Withdrawals:	2576786
Average Prefixes per BGP Update:	1.15
Average BGP Update Messages per second:	13.79
Average Prefix Updates per second:	15.92
Peak BGP Update Message Rate per second:	9891	(06:13:50 Thu, 15-Jan-2026)
Peak Prefix Update Rate per second:	9891	(06:13:50 Thu, 15-Jan-2026)
Peak Prefix Withdraw Rate per second:	3559	(20:52:40 Thu, 22-Jan-2026, )
Number of RIB Prefix Updates:	3330255	(0.20 of recv'd updates)
Number of RIB Prefix Withdrawals:	244626	(0.09 of recv'd withdrawals)
Peak RIB Update Rate per second:	9275	(06:13:50 Thu, 15-Jan-2026)
Peak RIB Withdrawal Rate per second:	3237	(20:52:40 Thu, 22-Jan-2026)
Seen Prefix Count:	252777
Updated Prefix Count:	245697
Stable Prefix Count:	7080
Seen Origin AS Count:	36012
Updated Origin AS Count:	35755
Stable Origin AS Count:	257
Seen Unique Path Count:	172474
Updated Path Count:	133057
Stable Path Count:	39417

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