The BGP IPv6 Instability Report

This report is updated daily. The current report
was generated on 28 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	343283	9.87%	3977	86.32	VIETEL-AS-AP Viettel Group, VN
2	39891	191915	5.52%	2058	93.25	ALJAWWALSTC-AS, SA
3	199340	99444	2.86%	2266	43.89	HONG-GUANWAN, HK
4	16509	90510	2.60%	5428	16.67	AMAZON-02 - Amazon.com, Inc., US
5	40138	86605	2.49%	38	2279.08	MDNET - Mach Dilemma, LLC, US
6	28649	76318	2.19%	77	991.14	Desktop Sigmanet Comunicacao Multimidia SA, BR
7	211894	64347	1.85%	8	8043.38	UNGLEICH-PLACE18, CH
8	10103	60640	1.74%	12	5053.33	HKBN-AS-AP HK Broadband Network Ltd., HK
9	202256	51659	1.49%	265	194.94	LAWLIETNET, CN
10	28126	49763	1.43%	68	731.81	BRISANET SERVICOS DE TELECOMUNICACOES S.A, BR
11	204508	46241	1.33%	17	2720.06	MLGT, IT
12	21351	41874	1.20%	17	2463.18	CANALPLUSTELECOM, GP
13	396509	38943	1.12%	13	2995.62	LETSCLOUD - LETSCLOUD, US
14	199553	33769	0.97%	6	5628.17	UNGLEICH-PLACE5, CH
15	28598	33024	0.95%	14	2358.86	DB3 SERVICOS DE TELECOMUNICACOES S.A, BR
16	212691	30399	0.87%	2	15199.50	ARONSTRECKER-AS, DE
17	271466	29163	0.84%	10	2916.30	UC Telecom Ltda, BR
18	38266	28687	0.82%	1363	21.05	VIL-AS-AP Vodafone Idea Ltd, IN
19	45271	28396	0.82%	1250	22.72	VIL-AS-AP Vodafone Idea Ltd, IN
20	328327	27428	0.79%	6	4571.33	ASAP-AS, ZA
21	6535	26629	0.77%	8	3328.62	Telmex Servicios Empresariales S.A., CL
22	136873	23716	0.68%	8	2964.50	MEGADATA-AS-ID MEGADATA-ISP, ID
23	272053	23649	0.68%	1	23649.00	ANTUNES FLORES SERGIO OMAR NUEVA NET, AR
24	204210	22982	0.66%	4	5745.50	ZEUSPACKAGINGLTD, IE
25	149500	22828	0.66%	4	5707.00	SR-AS-AP Shane Renshaw, HK
26	137409	22692	0.65%	1121	20.24	GSLNETWORKS-AS-AP GSL Networks Pty LTD, AU
27	42772	21344	0.61%	19	1123.37	A1-BY-AS, BY
28	262448	21229	0.61%	11	1929.91	DIALHOST INTERNET EIRELI, BR
29	213092	20297	0.58%	12	1691.42	MARBLEIS, GB
30	22927	20109	0.58%	252	79.80	Telefonica de Argentina, AR
31	211972	20012	0.58%	7	2858.86	MSN-NET, DE
32	214450	19143	0.55%	2	9571.50	OGL-AS, DE
33	139341	19076	0.55%	182	104.81	ACE-AS-AP ACE, SG
34	17072	18692	0.54%	1410	13.26	TOTAL PLAY TELECOMUNICACIONES SA DE CV, MX
35	203664	18554	0.53%	1	18554.00	LANXING-AS, CN
36	18403	18329	0.53%	3612	5.07	FPT-AS-AP FPT Telecom Company, VN
37	48635	16752	0.48%	21	797.71	CLDIN-NL Your Hosting B.V. part of Your.Online, NL
38	8386	15933	0.46%	20	796.65	KOCNET, TR
39	23679	15807	0.45%	26	607.96	NUSANET-AS-ID PT. Media Antar Nusa, ID
40	30058	15609	0.45%	146	106.91	FDCSERVERS - FDCservers.net, US
41	274743	15348	0.44%	7	2192.57	FASTWEB TELECOMUNICACOES, BR
42	215956	15280	0.44%	35	436.57	MYIP-AS MyIP.be ~ AS215956, BE
43	13335	14950	0.43%	3169	4.72	CLOUDFLARENET - Cloudflare, Inc., US
44	32098	14431	0.41%	1742	8.28	TRANSTELCO-INC - Transtelco Inc, US
45	9829	14158	0.41%	832	17.02	BSNL-NIB National Internet Backbone, IN
46	64289	14006	0.40%	11	1273.27	MACARNE - Macarne.com, US
47	61573	13122	0.38%	13	1009.38	IP TELECOM, BR
48	21664	12909	0.37%	37	348.89	AMZN-BYOASN - Amazon.com, Inc., US
49	20473	12529	0.36%	241	51.99	AS-VULTR - The Constant Company, LLC, US
50	210564	12314	0.35%	1	12314.00	SWANTZTER-AS, SE
Total		1994837	57.34%

50 Most active ASes for the past 14 days

RANK	ASN	UPDs/Prefix	%	Prefixes	UPDs	AS NAME
1	272053	23649.0	0.68%	1	23649	ANTUNES FLORES SERGIO OMAR NUEVA NET, AR
2	203664	18554.0	0.53%	1	18554	LANXING-AS, CN
3	212691	15199.5	0.87%	2	30399	ARONSTRECKER-AS, DE
4	210564	12314.0	0.35%	1	12314	SWANTZTER-AS, SE
5	214450	9571.5	0.55%	2	19143	OGL-AS, DE
6	141145	9134.0	0.26%	1	9134	GIGANET-AS-ID PT Giga Digital Nusantara, ID
7	211894	8043.4	1.85%	8	64347	UNGLEICH-PLACE18, CH
8	203168	6555.0	0.19%	1	6555	JLPB-AS, GB
9	199678	6051.0	0.17%	1	6051	AS-6RW-, RU
10	204210	5745.5	0.66%	4	22982	ZEUSPACKAGINGLTD, IE
11	149500	5707.0	0.66%	4	22828	SR-AS-AP Shane Renshaw, HK
12	199553	5628.2	0.97%	6	33769	UNGLEICH-PLACE5, CH
13	328327	5485.6	0.79%	6	27428	ASAP-AS, ZA
14	10103	5053.3	1.74%	12	60640	HKBN-AS-AP HK Broadband Network Ltd., HK
15	20915	5002.0	0.14%	1	5002	HUNDRED-PERCENT-IT, GB
16	198090	3888.0	0.11%	1	3888	ASLIBRA, IT
17	205651	3848.0	0.11%	1	3848	CATOFES, CN
18	138535	3684.3	0.32%	3	11053	FURDEVS-AS-AP Wu Qi, CN
19	202181	3659.0	0.11%	1	3659	TAMCOM-AS, RU
20	396509	3540.3	1.12%	13	38943	LETSCLOUD - LETSCLOUD, US
21	213035	3484.7	0.30%	3	10454	AS-SERVERION Serverion B.V., NL
22	211645	3401.0	0.10%	1	3401	SPG, DE
23	214371	3366.0	0.10%	1	3366	HORIZON-IT, NL
24	6535	3328.6	0.77%	8	26629	Telmex Servicios Empresariales S.A., CL
25	136873	2964.5	0.68%	8	23716	MEGADATA-AS-ID MEGADATA-ISP, ID
26	271466	2916.3	0.84%	10	29163	UC Telecom Ltda, BR
27	211972	2858.9	0.58%	7	20012	MSN-NET, DE
28	199235	2762.0	0.08%	1	2762	MIKROHALO-HU-AS, HU
29	204508	2720.1	1.33%	17	46241	MLGT, IT
30	44212	2530.0	0.29%	4	10120	ADELPHINET1-AS, IE
31	50685	2467.0	0.07%	1	2467	UNITED-NETWORKS-AS, BY
32	21351	2463.2	1.20%	17	41874	CANALPLUSTELECOM, GP
33	6871	2441.3	0.21%	3	7324	PLUSNET UK Internet Service Provider, GB
34	58419	2412.5	0.14%	2	4825	DATAVAIL-IN Datavail Infotech Pvt Ltd, IN
35	28598	2358.9	0.95%	14	33024	DB3 SERVICOS DE TELECOMUNICACOES S.A, BR
36	26445	2321.0	0.07%	1	2321	OWL - 4096 SVCS LLC, US
37	205820	2308.5	0.13%	2	4617	VDCBY-AS, BY
38	40138	2279.1	2.49%	38	86605	MDNET - Mach Dilemma, LLC, US
39	274743	2192.6	0.44%	7	15348	FASTWEB TELECOMUNICACOES, BR
40	263516	2186.8	0.31%	7	10934	Plis Inteligencia em Tecnologia Ltda., BR
41	208948	2111.3	0.18%	3	6334	RECYCLED-CLOUD-AS, CH
42	47279	2107.0	0.06%	1	2107	TPIP-AS, DE
43	199689	2054.0	0.06%	1	2054	JOSHA-PRIOR Netralex BYOIP, NL
44	268157	1984.6	0.29%	7	9923	ELEVAR TELECOM LTDA, BR
45	268487	1941.6	0.28%	5	9708	PRISMA TELECOMUNICACOES LTDA. EPP, BR
46	262448	1929.9	0.61%	11	21229	DIALHOST INTERNET EIRELI, BR
47	9423	1855.2	0.21%	4	7421	SERVERKINGIOLLC-AS-AP ServerKing.io, LLC, US
48	213092	1845.2	0.58%	12	20297	MARBLEIS, GB
49	151810	1777.2	0.20%	4	7109	PHYLAXISINC-AS-AP Phylaxis Korea, KR
50	28649	1774.8	2.19%
Total		233456.4	27.92%

50 Most active Prefixes for the past 14 days

RANK	PREFIX	UPDs	%	Origin AS -- AS NAME
1	2a02:1391:5100::/40	41835	1.13%	21351 -- CANALPLUSTELECOM, GP
2	2804:248:100::/40	33011	0.89%	28598 -- DB3 SERVICOS DE TELECOMUNICACOES S.A, BR
3	2803:5d10::/32	23649	0.64%	272053 -- ANTUNES FLORES SERGIO OMAR NUEVA NET, AR
4	2a0c:b641:302::/47	22978	0.62%	204210 -- ZEUSPACKAGINGLTD, IE
5	2a10:9902:732::/48	19962	0.54%	211972 -- MSN-NET, DE
6	2a0e:aa07:e044::/48	18555	0.50%	203664 -- LANXING-AS, CN
7	2001:678:114::/48	17572	0.47%	212691 -- ARONSTRECKER-AS, DE
8	240d:c010:165::/48	17402	0.47%	139341 -- ACE-AS-AP ACE, SG
9	2800:540:2010::/44	17400	0.47%	27995 -- CLARO CHILE S.A., CL 6535 -- Telmex Servicios Empresariales S.A., CL
10	2a14:3f87:9800::/38	13925	0.38%	64289 -- MACARNE - Macarne.com, US
11	2a0e:8f02:f05e::/48	12827	0.35%	212691 -- ARONSTRECKER-AS, DE
12	2001:67c:20fc::/48	12315	0.33%	210564 -- SWANTZTER-AS, SE
13	2607:74c0:140::/44	12269	0.33%	10103 -- HKBN-AS-AP HK Broadband Network Ltd., HK
14	2607:74c0:120::/44	12242	0.33%	10103 -- HKBN-AS-AP HK Broadband Network Ltd., HK
15	2607:74c0:100::/44	12133	0.33%	10103 -- HKBN-AS-AP HK Broadband Network Ltd., HK
16	2607:74c0:110::/44	12119	0.33%	10103 -- HKBN-AS-AP HK Broadband Network Ltd., HK
17	2607:74c0:130::/44	11870	0.32%	10103 -- HKBN-AS-AP HK Broadband Network Ltd., HK
18	2a05:4140:304::/48	11475	0.31%	204508 -- MLGT, IT
19	2a05:4140:316::/48	11015	0.30%	204508 -- MLGT, IT
20	2406:840:e620::/48	10986	0.30%	138535 -- FURDEVS-AS-AP Wu Qi, CN
21	2a05:4140:333::/48	10971	0.30%	204508 -- MLGT, IT
22	2a05:4140:380::/42	10920	0.29%	204508 -- MLGT, IT
23	2a10:1440::/29	10452	0.28%	213035 -- AS-SERVERION Serverion B.V., NL
24	2800:540:2000::/44	9826	0.26%	27995 -- CLARO CHILE S.A., CL 6535 -- Telmex Servicios Empresariales S.A., CL
25	2a0e:b107:19cb::/48	9753	0.26%	214450 -- OGL-AS, DE
26	2804:51f8::/32	9672	0.26%	268487 -- PRISMA TELECOMUNICACOES LTDA. EPP, BR
27	2c0f:c00:3000::/36	9649	0.26%	328327 -- ASAP-AS, ZA
28	2001:678:658::/48	9390	0.25%	214450 -- OGL-AS, DE
29	2a0a:e5c1:517::/48	9371	0.25%	199553 -- UNGLEICH-PLACE5, CH
30	2a0a:e5c0:16::/48	9300	0.25%	199553 -- UNGLEICH-PLACE5, CH
31	2a0a:e5c0:45::/48	9299	0.25%	199553 -- UNGLEICH-PLACE5, CH
32	2a0a:5480:4::/48	9216	0.25%	211894 -- UNGLEICH-PLACE18, CH
33	2a0a:5480:1::/48	9213	0.25%	211894 -- UNGLEICH-PLACE18, CH
34	2a0a:5480::/48	9209	0.25%	211894 -- UNGLEICH-PLACE18, CH
35	2a0a:5480:3::/48	9167	0.25%	211894 -- UNGLEICH-PLACE18, CH
36	2a0a:5480:1ac::/48	9145	0.25%	211894 -- UNGLEICH-PLACE18, CH
37	2a0a:5480:5::/48	9145	0.25%	211894 -- UNGLEICH-PLACE18, CH
38	2a0a:5480:2::/48	9137	0.25%	211894 -- UNGLEICH-PLACE18, CH
39	2407:5440::/48	9134	0.25%	141145 -- GIGANET-AS-ID PT Giga Digital Nusantara, ID
40	2c0f:c00:100::/40	9096	0.25%	328327 -- ASAP-AS, ZA
41	2c0f:c00:200::/40	8681	0.23%	328327 -- ASAP-AS, ZA
42	2600:140f:3200::/48	8520	0.23%	55644 -- VIL-AS-AP Vodafone Idea Ltd, IN
43	2600:6c7f:9370::/44	8096	0.22%	19115 -- CHARTER-19115-DC - Charter Communications LLC, US
44	2a03:90c0:7a0::/44	7905	0.21%	59437 -- NORTHERNDATA, DE
45	2804:7bf8:8000::/34	7407	0.20%	271466 -- UC Telecom Ltda, BR
46	2a14:7580:ed58::/46	7393	0.20%	215956 -- MYIP-AS MyIP.be ~ AS215956, BE
47	2a14:7580:ee0b::/48	7375	0.20%	215956 -- MYIP-AS MyIP.be ~ AS215956, BE
48	2a02:16c8::/35	7322	0.20%	6871 -- PLUSNET UK Internet Service Provider, GB
49	2804:7bf8:c000::/34	7285	0.20%	271466 -- UC Telecom Ltda, BR
50	2804:7bf8:4000::/34	7232	0.19%	271466 -- UC Telecom Ltda, BR
Total		613821	16.58%

14 Day BGP Update Statistics Profile: 13-January-2026 00:00 - 27-January-2026 23:59 (UTC+1000)

Number of BGP Update Messages:	16634474
Number of Prefix Changes:	19144040
Number of Prefix Updates:	16634474
Number of Prefix Withdrawals:	2509566
Average Prefixes per BGP Update:	1.15
Average BGP Update Messages per second:	13.75
Average Prefix Updates per second:	15.83
Peak BGP Update Message Rate per second:	10011	(06:13:50 Thu, 15-Jan-2026)
Peak Prefix Update Rate per second:	10011	(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:	3478293	(0.21 of recv'd updates)
Number of RIB Prefix Withdrawals:	232705	(0.09 of recv'd withdrawals)
Peak RIB Update Rate per second:	9513	(06:13:50 Thu, 15-Jan-2026)
Peak RIB Withdrawal Rate per second:	3237	(20:52:40 Thu, 22-Jan-2026)
Seen Prefix Count:	253866
Updated Prefix Count:	246778
Stable Prefix Count:	7088
Seen Origin AS Count:	36038
Updated Origin AS Count:	35750
Stable Origin AS Count:	288
Seen Unique Path Count:	170959
Updated Path Count:	130130
Stable Path Count:	40829

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