The BGP IPv6 Instability Report

This report is updated daily. The current report
was generated on 3 February 2026 01:14 (UTC+1000)

50 Most active ASes for the past 14 days

RANK	ASN	UPDs	%	Prefixes	UPDs/Prefix	AS NAME
1	39891	135238	4.37%	2058	65.71	ALJAWWALSTC-AS, SA
2	199340	102423	3.31%	2265	45.22	HONG-GUANWAN, HK
3	16509	86160	2.79%	5413	15.92	AMAZON-02 - Amazon.com, Inc., US
4	40138	81037	2.62%	38	2132.55	MDNET - Mach Dilemma, LLC, US
5	28649	78112	2.53%	77	1014.44	Desktop Sigmanet Comunicacao Multimidia SA, BR
6	9287	70211	2.27%	8	8776.38	TIDCC-AS-AP True Internet Data Center Company Limited, TH
7	28598	69642	2.25%	14	4974.43	DB3 SERVICOS DE TELECOMUNICACOES S.A, BR
8	202256	65832	2.13%	265	248.42	LAWLIETNET, CN
9	211894	64462	2.08%	8	8057.75	UNGLEICH-PLACE18, CH
10	210940	57378	1.85%	2	28689.00	SEASONCLOUD, BR
11	10103	52962	1.71%	12	4413.50	HKBN-AS-AP HK Broadband Network Ltd., HK
12	7552	52921	1.71%	3980	13.30	VIETEL-AS-AP Viettel Group, VN
13	22927	47562	1.54%	253	187.99	Telefonica de Argentina, AR
14	5416	41577	1.34%	1043	39.86	Internet Service Provider, BH
15	396509	39615	1.28%	13	3047.31	LETSCLOUD - LETSCLOUD, US
16	204508	37750	1.22%	18	2097.22	MLGT, IT
17	21351	35727	1.15%	16	2232.94	CANALPLUSTELECOM, GP
18	199553	31186	1.01%	6	5197.67	UNGLEICH-PLACE5, CH
19	271466	29539	0.95%	10	2953.90	UC Telecom Ltda, BR
20	212691	28714	0.93%	2	14357.00	ARONSTRECKER-AS, DE
21	6535	28563	0.92%	8	3570.38	Telmex Servicios Empresariales S.A., CL
22	274743	24377	0.79%	7	3482.43	FASTWEB TELECOMUNICACOES, BR
23	328327	23650	0.76%	6	3941.67	ASAP-AS, ZA
24	17072	23395	0.76%	1409	16.60	TOTAL PLAY TELECOMUNICACIONES SA DE CV, MX
25	137409	22628	0.73%	1122	20.17	GSLNETWORKS-AS-AP GSL Networks Pty LTD, AU
26	213035	21588	0.70%	3	7196.00	AS-SERVERION Serverion B.V., NL
27	272053	21369	0.69%	1	21369.00	ANTUNES FLORES SERGIO OMAR NUEVA NET, AR
28	203664	21243	0.69%	1	21243.00	LANXING-AS, CN
29	204210	20633	0.67%	4	5158.25	ZEUSPACKAGINGLTD, IE
30	11172	20313	0.66%	2299	8.84	Alestra, S. de R.L. de C.V., MX
31	38266	20199	0.65%	1363	14.82	VIL-AS-AP Vodafone Idea Ltd, IN
32	45271	19708	0.64%	1250	15.77	VIL-AS-AP Vodafone Idea Ltd, IN
33	18403	19234	0.62%	3592	5.35	FPT-AS-AP FPT Telecom Company, VN
34	213092	18645	0.60%	12	1553.75	MARBLEIS, GB
35	215956	17324	0.56%	35	494.97	MYIP-AS MyIP.be ~ AS215956, BE
36	214450	17053	0.55%	2	8526.50	OGL-AS, DE
37	262448	16431	0.53%	11	1493.73	DIALHOST INTERNET EIRELI, BR
38	149500	15556	0.50%	4	3889.00	SR-AS-AP Shane Renshaw, HK
39	48635	15336	0.50%	21	730.29	CLDIN-NL Your Hosting B.V. part of Your.Online, NL
40	263516	15059	0.49%	7	2151.29	Plis Inteligencia em Tecnologia Ltda., BR
41	139341	14944	0.48%	182	82.11	ACE-AS-AP ACE, SG
42	28669	14747	0.48%	4	3686.75	VERO S.A, BR
43	9829	14740	0.48%	892	16.52	BSNL-NIB National Internet Backbone, IN
44	30058	13964	0.45%	146	95.64	FDCSERVERS - FDCservers.net, US
45	20473	13913	0.45%	418	33.28	AS-VULTR - The Constant Company, LLC, US
46	28292	13640	0.44%	7	1948.57	ENGEPLUS INFORMATICA LTDA, BR
47	64289	13606	0.44%	3	4535.33	MACARNE - Macarne.com, US
48	32098	12747	0.41%	1751	7.28	TRANSTELCO-INC - Transtelco Inc, US
49	21664	12723	0.41%	37	343.86	AMZN-BYOASN - Amazon.com, Inc., US
50	23679	12644	0.41%	26	486.31	NUSANET-AS-ID PT. Media Antar Nusa, ID
Total		1748020	56.50%

50 Most active ASes for the past 14 days

RANK	ASN	UPDs/Prefix	%	Prefixes	UPDs	AS NAME
1	210940	28689.0	1.85%	2	57378	SEASONCLOUD, BR
2	272053	21369.0	0.69%	1	21369	ANTUNES FLORES SERGIO OMAR NUEVA NET, AR
3	203664	21243.0	0.69%	1	21243	LANXING-AS, CN
4	212691	14357.0	0.93%	2	28714	ARONSTRECKER-AS, DE
5	9287	8776.4	2.27%	8	70211	TIDCC-AS-AP True Internet Data Center Company Limited, TH
6	214450	8526.5	0.55%	2	17053	OGL-AS, DE
7	210564	8299.0	0.27%	1	8299	SWANTZTER-AS, SE
8	211894	8057.8	2.08%	8	64462	UNGLEICH-PLACE18, CH
9	213035	7196.0	0.70%	3	21588	AS-SERVERION Serverion B.V., NL
10	141145	6136.0	0.20%	1	6136	GIGANET-AS-ID PT Giga Digital Nusantara, ID
11	199678	6003.0	0.19%	1	6003	AS-6RW-, RU
12	199553	5197.7	1.01%	6	31186	UNGLEICH-PLACE5, CH
13	204210	5158.2	0.67%	4	20633	ZEUSPACKAGINGLTD, IE
14	205651	5153.0	0.17%	1	5153	CATOFES, CN
15	28598	4974.4	2.25%	14	69642	DB3 SERVICOS DE TELECOMUNICACOES S.A, BR
16	20915	4868.0	0.16%	1	4868	HUNDRED-PERCENT-IT, GB
17	328327	4730.0	0.76%	6	23650	ASAP-AS, ZA
18	64289	4535.3	0.44%	3	13606	MACARNE - Macarne.com, US
19	10103	4413.5	1.71%	12	52962	HKBN-AS-AP HK Broadband Network Ltd., HK
20	202181	4305.0	0.14%	1	4305	TAMCOM-AS, RU
21	149735	4285.0	0.14%	1	4285	IDNIC-TPIMAXIM-ID PT. Teknologi Perdana Indonesia, ID
22	198090	3901.0	0.13%	1	3901	ASLIBRA, IT
23	149500	3889.0	0.50%	4	15556	SR-AS-AP Shane Renshaw, HK
24	211645	3688.0	0.12%	1	3688	SPG, DE
25	28669	3686.8	0.48%	4	14747	VERO S.A, BR
26	396509	3601.4	1.28%	13	39615	LETSCLOUD - LETSCLOUD, US
27	151650	3588.0	0.12%	1	3588	SWITCHFIBER-AS-AP Switch Fiber, PH
28	6535	3570.4	0.92%	8	28563	Telmex Servicios Empresariales S.A., CL
29	138535	3565.0	0.35%	3	10695	FURDEVS-AS-AP Wu Qi, CN
30	274743	3482.4	0.79%	7	24377	FASTWEB TELECOMUNICACOES, BR
31	58419	2973.5	0.19%	2	5947	DATAVAIL-IN Datavail Infotech Pvt Ltd, IN
32	271466	2953.9	0.95%	10	29539	UC Telecom Ltda, BR
33	210796	2919.0	0.19%	2	5838	BJOERN-SCHLEYER Bjoern Schleyer, DE
34	61609	2872.0	0.19%	2	5744	NextHop Solutions, BR
35	199235	2754.0	0.09%	1	2754	MIKROHALO-HU-AS, HU
36	21351	2232.9	1.15%	16	35727	CANALPLUSTELECOM, GP
37	44212	2228.0	0.29%	4	8912	ADELPHINET1-AS, IE
38	263516	2151.3	0.49%	7	15059	Plis Inteligencia em Tecnologia Ltda., BR
39	40138	2132.6	2.62%	38	81037	MDNET - Mach Dilemma, LLC, US
40	208948	2113.3	0.20%	3	6340	RECYCLED-CLOUD-AS, CH
41	204508	2097.2	1.22%	18	37750	MLGT, IT
42	28292	1948.6	0.44%	7	13640	ENGEPLUS INFORMATICA LTDA, BR
43	6871	1818.0	0.18%	3	5454	PLUSNET UK Internet Service Provider, GB
44	208927	1795.0	0.06%	1	1795	WILO, DE
45	47279	1713.0	0.06%	1	1713	TPIP-AS, DE
46	199689	1712.0	0.06%	1	1712	JOSHA-PRIOR Netralex BYOIP, NL
47	203168	1705.5	0.11%	2	3411	JLPB-AS, GB
48	214371	1693.0	0.05%	1	1693	HORIZON-IT, NL
49	212121	1688.8	0.27%	5	8444	VAGUE, GB
50	40929	1665.7	0.16%
Total		262412.1	31.53%

50 Most active Prefixes for the past 14 days

RANK	PREFIX	UPDs	%	Origin AS -- AS NAME
1	2804:248:100::/40	69610	2.11%	28598 -- DB3 SERVICOS DE TELECOMUNICACOES S.A, BR
2	2a14:67c1:b300::/40	57376	1.74%	210940 -- SEASONCLOUD, BR
3	2a02:1391:5100::/40	35711	1.08%	21351 -- CANALPLUSTELECOM, GP
4	2a10:1440::/29	21586	0.65%	213035 -- AS-SERVERION Serverion B.V., NL
5	2803:5d10::/32	21369	0.65%	272053 -- ANTUNES FLORES SERGIO OMAR NUEVA NET, AR
6	2a0e:aa07:e044::/48	21244	0.64%	203664 -- LANXING-AS, CN
7	2a0c:b641:302::/47	20630	0.63%	204210 -- ZEUSPACKAGINGLTD, IE
8	2800:540:2010::/44	15004	0.45%	27995 -- CLARO CHILE S.A., CL 6535 -- Telmex Servicios Empresariales S.A., CL
9	2804:4bec::/32	14679	0.44%	28669 -- VERO S.A, BR
10	2a0e:8f02:f05e::/48	14395	0.44%	212691 -- ARONSTRECKER-AS, DE
11	2001:678:114::/48	14319	0.43%	212691 -- ARONSTRECKER-AS, DE
12	2800:540:2000::/44	14137	0.43%	27995 -- CLARO CHILE S.A., CL 6535 -- Telmex Servicios Empresariales S.A., CL
13	2001:fb0:1001::/48	14070	0.43%	9287 -- TIDCC-AS-AP True Internet Data Center Company Limited, TH
14	2404:3280:a::/48	14064	0.43%	9287 -- TIDCC-AS-AP True Internet Data Center Company Limited, TH
15	2001:fb0:1002::/48	14057	0.43%	9287 -- TIDCC-AS-AP True Internet Data Center Company Limited, TH
16	2001:fb0:1000::/48	14018	0.42%	9287 -- TIDCC-AS-AP True Internet Data Center Company Limited, TH
17	2404:3280::/32	13999	0.42%	9287 -- TIDCC-AS-AP True Internet Data Center Company Limited, TH
18	2a14:3f87:9800::/38	13597	0.41%	64289 -- MACARNE - Macarne.com, US
19	2607:74c0:130::/44	11788	0.36%	10103 -- HKBN-AS-AP HK Broadband Network Ltd., HK
20	2607:74c0:100::/44	11768	0.36%	10103 -- HKBN-AS-AP HK Broadband Network Ltd., HK
21	2607:74c0:110::/44	11734	0.36%	10103 -- HKBN-AS-AP HK Broadband Network Ltd., HK
22	2a03:90c0:7a0::/44	11680	0.35%	59437 -- NORTHERNDATA, DE
23	2406:840:e620::/48	10686	0.32%	138535 -- FURDEVS-AS-AP Wu Qi, CN
24	2a0a:e5c1:517::/48	9450	0.29%	199553 -- UNGLEICH-PLACE5, CH
25	240d:c010:165::/48	9421	0.29%	139341 -- ACE-AS-AP ACE, SG
26	2a0a:e5c0:16::/48	9342	0.28%	199553 -- UNGLEICH-PLACE5, CH
27	2a0a:e5c0:45::/48	9342	0.28%	199553 -- UNGLEICH-PLACE5, CH
28	2a0a:5480:4::/48	9302	0.28%	211894 -- UNGLEICH-PLACE18, CH
29	2a0a:5480:1::/48	9300	0.28%	211894 -- UNGLEICH-PLACE18, CH
30	2a0a:5480::/48	9300	0.28%	211894 -- UNGLEICH-PLACE18, CH
31	2a0a:5480:3::/48	9234	0.28%	211894 -- UNGLEICH-PLACE18, CH
32	2a0a:5480:5::/48	9194	0.28%	211894 -- UNGLEICH-PLACE18, CH
33	2a0a:5480:2::/48	9191	0.28%	211894 -- UNGLEICH-PLACE18, CH
34	2a00:af60::/32	8963	0.27%	199364 -- RAX-AS, BG
35	2607:74c0:120::/44	8894	0.27%	10103 -- HKBN-AS-AP HK Broadband Network Ltd., HK
36	2a05:4140:304::/48	8811	0.27%	204508 -- MLGT, IT
37	2a0e:b107:19cb::/48	8783	0.27%	214450 -- OGL-AS, DE
38	2607:74c0:140::/44	8771	0.27%	10103 -- HKBN-AS-AP HK Broadband Network Ltd., HK
39	2a0a:5480:1ac::/48	8759	0.27%	211894 -- UNGLEICH-PLACE18, CH
40	2a05:4140:316::/48	8467	0.26%	204508 -- MLGT, IT
41	2a05:4140:333::/48	8309	0.25%	204508 -- MLGT, IT
42	2001:67c:20fc::/48	8300	0.25%	210564 -- SWANTZTER-AS, SE
43	2a05:4140:380::/42	8284	0.25%	204508 -- MLGT, IT
44	2001:678:658::/48	8270	0.25%	214450 -- OGL-AS, DE
45	2c0f:c00:100::/40	8187	0.25%	328327 -- ASAP-AS, ZA
46	2804:7bf8:c000::/34	7874	0.24%	271466 -- UC Telecom Ltda, BR
47	2c0f:c00:3000::/36	7831	0.24%	328327 -- ASAP-AS, ZA
48	2c0f:c00:200::/40	7630	0.23%	328327 -- ASAP-AS, ZA
49	2a14:7580:ee0b::/48	7415	0.22%	215956 -- MYIP-AS MyIP.be ~ AS215956, BE
50	2a14:7580:ed58::/46	7413	0.22%	215956 -- MYIP-AS MyIP.be ~ AS215956, BE
Total		695558	21.08%

14 Day BGP Update Statistics Profile: 19-January-2026 00:00 - 2-February-2026 23:59 (UTC+1000)

Number of BGP Update Messages:	17726603
Number of Prefix Changes:	20082979
Number of Prefix Updates:	17726603
Number of Prefix Withdrawals:	2356376
Average Prefixes per BGP Update:	1.13
Average BGP Update Messages per second:	14.65
Average Prefix Updates per second:	16.60
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:	4198	(05:41:15 Mon, 2-Feb-2026, )
Number of RIB Prefix Updates:	3093431	(0.17 of recv'd updates)
Number of RIB Prefix Withdrawals:	205955	(0.09 of recv'd withdrawals)
Peak RIB Update Rate per second:	9343	(11:04:14 Tue, 20-Jan-2026)
Peak RIB Withdrawal Rate per second:	3454	(20:52:40 Thu, 22-Jan-2026)
Seen Prefix Count:	256567
Updated Prefix Count:	253908
Stable Prefix Count:	2659
Seen Origin AS Count:	36090
Updated Origin AS Count:	35873
Stable Origin AS Count:	217
Seen Unique Path Count:	173968
Updated Path Count:	130328
Stable Path Count:	43640

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