The BGP IPv6 Instability Report

This report is updated daily. The current report
was generated on 31 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	325601	9.15%	3980	81.81	VIETEL-AS-AP Viettel Group, VN
2	39891	173848	4.89%	2058	84.47	ALJAWWALSTC-AS, SA
3	199340	100219	2.82%	2267	44.21	HONG-GUANWAN, HK
4	10103	96276	2.71%	12	8023.00	HKBN-AS-AP HK Broadband Network Ltd., HK
5	16509	89545	2.52%	5425	16.51	AMAZON-02 - Amazon.com, Inc., US
6	40138	86409	2.43%	38	2273.92	MDNET - Mach Dilemma, LLC, US
7	28649	78696	2.21%	77	1022.03	Desktop Sigmanet Comunicacao Multimidia SA, BR
8	211894	64388	1.81%	8	8048.50	UNGLEICH-PLACE18, CH
9	202256	60146	1.69%	265	226.97	LAWLIETNET, CN
10	204508	49069	1.38%	17	2886.41	MLGT, IT
11	396509	39794	1.12%	13	3061.08	LETSCLOUD - LETSCLOUD, US
12	21351	39129	1.10%	17	2301.71	CANALPLUSTELECOM, GP
13	6535	34716	0.98%	8	4339.50	Telmex Servicios Empresariales S.A., CL
14	22927	33771	0.95%	253	133.48	Telefonica de Argentina, AR
15	28598	33752	0.95%	14	2410.86	DB3 SERVICOS DE TELECOMUNICACOES S.A, BR
16	199553	32016	0.90%	6	5336.00	UNGLEICH-PLACE5, CH
17	271466	30464	0.86%	10	3046.40	UC Telecom Ltda, BR
18	45271	28663	0.81%	1250	22.93	VIL-AS-AP Vodafone Idea Ltd, IN
19	28126	26238	0.74%	26	1009.15	BRISANET SERVICOS DE TELECOMUNICACOES S.A, BR
20	137409	24343	0.68%	1121	21.72	GSLNETWORKS-AS-AP GSL Networks Pty LTD, AU
21	274743	22972	0.65%	7	3281.71	FASTWEB TELECOMUNICACOES, BR
22	272053	22324	0.63%	1	22324.00	ANTUNES FLORES SERGIO OMAR NUEVA NET, AR
23	328327	21826	0.61%	6	3637.67	ASAP-AS, ZA
24	204210	21485	0.60%	4	5371.25	ZEUSPACKAGINGLTD, IE
25	203664	20165	0.57%	1	20165.00	LANXING-AS, CN
26	213092	20039	0.56%	12	1669.92	MARBLEIS, GB
27	11172	19338	0.54%	2300	8.41	Alestra, S. de R.L. de C.V., MX
28	149500	19206	0.54%	4	4801.50	SR-AS-AP Shane Renshaw, HK
29	262448	18743	0.53%	11	1703.91	DIALHOST INTERNET EIRELI, BR
30	139341	18578	0.52%	182	102.08	ACE-AS-AP ACE, SG
31	18403	18564	0.52%	3612	5.14	FPT-AS-AP FPT Telecom Company, VN
32	212691	18347	0.52%	2	9173.50	ARONSTRECKER-AS, DE
33	38266	17950	0.50%	1363	13.17	VIL-AS-AP Vodafone Idea Ltd, IN
34	17072	17932	0.50%	1409	12.73	TOTAL PLAY TELECOMUNICACIONES SA DE CV, MX
35	214450	17902	0.50%	2	8951.00	OGL-AS, DE
36	210940	16794	0.47%	2	8397.00	SEASONCLOUD, BR
37	48635	16512	0.46%	21	786.29	CLDIN-NL Your Hosting B.V. part of Your.Online, NL
38	202181	15966	0.45%	1	15966.00	TAMCOM-AS, RU
39	136873	15691	0.44%	8	1961.38	MEGADATA-AS-ID MEGADATA-ISP, ID
40	215956	15569	0.44%	35	444.83	MYIP-AS MyIP.be ~ AS215956, BE
41	213035	15419	0.43%	3	5139.67	AS-SERVERION Serverion B.V., NL
42	263516	15334	0.43%	7	2190.57	Plis Inteligencia em Tecnologia Ltda., BR
43	13335	15325	0.43%	3169	4.84	CLOUDFLARENET - Cloudflare, Inc., US
44	30058	15050	0.42%	146	103.08	FDCSERVERS - FDCservers.net, US
45	28640	14795	0.42%	15	986.33	VIPWAY Telecomunicacoes Ltda, BR
46	28292	14023	0.39%	7	2003.29	ENGEPLUS INFORMATICA LTDA, BR
47	42772	14021	0.39%	19	737.95	A1-BY-AS, BY
48	9829	13760	0.39%	837	16.44	BSNL-NIB National Internet Backbone, IN
49	64289	13683	0.38%	3	4561.00	MACARNE - Macarne.com, US
50	5416	13556	0.38%	1043	13.00	Internet Service Provider, BH
Total		1967952	55.31%

50 Most active ASes for the past 14 days

RANK	ASN	UPDs/Prefix	%	Prefixes	UPDs	AS NAME
1	272053	22324.0	0.63%	1	22324	ANTUNES FLORES SERGIO OMAR NUEVA NET, AR
2	203664	20165.0	0.57%	1	20165	LANXING-AS, CN
3	202181	15966.0	0.45%	1	15966	TAMCOM-AS, RU
4	210564	10872.0	0.31%	1	10872	SWANTZTER-AS, SE
5	212691	9173.5	0.52%	2	18347	ARONSTRECKER-AS, DE
6	214450	8951.0	0.50%	2	17902	OGL-AS, DE
7	210940	8397.0	0.47%	2	16794	SEASONCLOUD, BR
8	211894	8048.5	1.81%	8	64388	UNGLEICH-PLACE18, CH
9	10103	8023.0	2.71%	12	96276	HKBN-AS-AP HK Broadband Network Ltd., HK
10	204210	5371.2	0.60%	4	21485	ZEUSPACKAGINGLTD, IE
11	199553	5336.0	0.90%	6	32016	UNGLEICH-PLACE5, CH
12	213035	5139.7	0.43%	3	15419	AS-SERVERION Serverion B.V., NL
13	149500	4801.5	0.54%	4	19206	SR-AS-AP Shane Renshaw, HK
14	20915	4714.0	0.13%	1	4714	HUNDRED-PERCENT-IT, GB
15	210796	4693.0	0.26%	2	9386	BJOERN-SCHLEYER Bjoern Schleyer, DE
16	64289	4561.0	0.38%	3	13683	MACARNE - Macarne.com, US
17	328327	4365.2	0.61%	6	21826	ASAP-AS, ZA
18	6535	4339.5	0.98%	8	34716	Telmex Servicios Empresariales S.A., CL
19	198090	3908.0	0.11%	1	3908	ASLIBRA, IT
20	151650	3805.0	0.11%	1	3805	SWITCHFIBER-AS-AP Switch Fiber, PH
21	205651	3688.0	0.10%	1	3688	CATOFES, CN
22	138535	3676.0	0.31%	3	11028	FURDEVS-AS-AP Wu Qi, CN
23	396509	3617.6	1.12%	13	39794	LETSCLOUD - LETSCLOUD, US
24	211645	3561.0	0.10%	1	3561	SPG, DE
25	274743	3281.7	0.65%	7	22972	FASTWEB TELECOMUNICACOES, BR
26	263516	3066.8	0.43%	7	15334	Plis Inteligencia em Tecnologia Ltda., BR
27	271466	3046.4	0.86%	10	30464	UC Telecom Ltda, BR
28	204508	2886.4	1.38%	17	49069	MLGT, IT
29	214371	2867.0	0.08%	1	2867	HORIZON-IT, NL
30	58419	2851.5	0.16%	2	5703	DATAVAIL-IN Datavail Infotech Pvt Ltd, IN
31	199678	2845.0	0.08%	1	2845	AS-6RW-, RU
32	199235	2746.0	0.08%	1	2746	MIKROHALO-HU-AS, HU
33	203168	2507.0	0.14%	2	5014	JLPB-AS, GB
34	28598	2410.9	0.95%	14	33752	DB3 SERVICOS DE TELECOMUNICACOES S.A, BR
35	44212	2396.0	0.27%	4	9584	ADELPHINET1-AS, IE
36	21351	2301.7	1.10%	17	39129	CANALPLUSTELECOM, GP
37	40138	2273.9	2.43%	38	86409	MDNET - Mach Dilemma, LLC, US
38	61609	2163.5	0.12%	2	4327	NextHop Solutions, BR
39	208927	2150.0	0.06%	1	2150	WILO, DE
40	208948	2104.3	0.18%	3	6313	RECYCLED-CLOUD-AS, CH
41	264525	2061.0	0.12%	5	4122	Coelho Tecnologia, BR
42	28669	2021.8	0.23%	4	8087	VERO S.A, BR
43	28292	2003.3	0.39%	7	14023	ENGEPLUS INFORMATICA LTDA, BR
44	268157	1984.6	0.28%	7	9923	ELEVAR TELECOM LTDA, BR
45	136873	1961.4	0.44%	8	15691	MEGADATA-AS-ID MEGADATA-ISP, ID
46	199689	1850.0	0.05%	1	1850	JOSHA-PRIOR Netralex BYOIP, NL
47	28649	1830.1	2.21%	77	78696	Desktop Sigmanet Comunicacao Multimidia SA, BR
48	211972	1804.1	0.35%	7	12629	MSN-NET, DE
49	50685	1800.0	0.05%	1	1800	UNITED-NETWORKS-AS, BY
50	47279	1792.0	0.05%
Total		238503.1	27.79%

50 Most active Prefixes for the past 14 days

RANK	PREFIX	UPDs	%	Origin AS -- AS NAME
1	2a02:1391:5100::/40	39092	1.03%	21351 -- CANALPLUSTELECOM, GP
2	2804:248:100::/40	33736	0.89%	28598 -- DB3 SERVICOS DE TELECOMUNICACOES S.A, BR
3	2803:5d10::/32	22324	0.59%	272053 -- ANTUNES FLORES SERGIO OMAR NUEVA NET, AR
4	2800:540:2010::/44	21523	0.57%	27995 -- CLARO CHILE S.A., CL 6535 -- Telmex Servicios Empresariales S.A., CL
5	2a0c:b641:302::/47	21478	0.57%	204210 -- ZEUSPACKAGINGLTD, IE
6	2a0e:aa07:e044::/48	20165	0.53%	203664 -- LANXING-AS, CN
7	2607:74c0:100::/44	19553	0.52%	10103 -- HKBN-AS-AP HK Broadband Network Ltd., HK
8	2607:74c0:120::/44	19527	0.52%	10103 -- HKBN-AS-AP HK Broadband Network Ltd., HK
9	2607:74c0:140::/44	19422	0.51%	10103 -- HKBN-AS-AP HK Broadband Network Ltd., HK
10	2607:74c0:130::/44	18918	0.50%	10103 -- HKBN-AS-AP HK Broadband Network Ltd., HK
11	2607:74c0:110::/44	18849	0.50%	10103 -- HKBN-AS-AP HK Broadband Network Ltd., HK
12	2a14:67c1:b300::/40	16788	0.44%	210940 -- SEASONCLOUD, BR
13	2a0b:a8c0:2::/48	15966	0.42%	202181 -- TAMCOM-AS, RU
14	2a10:1440::/29	15417	0.41%	213035 -- AS-SERVERION Serverion B.V., NL
15	2800:540:2000::/44	13766	0.36%	27995 -- CLARO CHILE S.A., CL 6535 -- Telmex Servicios Empresariales S.A., CL
16	2a14:3f87:9800::/38	13677	0.36%	64289 -- MACARNE - Macarne.com, US
17	240d:c010:165::/48	13033	0.34%	139341 -- ACE-AS-AP ACE, SG
18	2a10:9902:732::/48	12562	0.33%	211972 -- MSN-NET, DE
19	2001:678:114::/48	12000	0.32%	212691 -- ARONSTRECKER-AS, DE
20	2a05:4140:304::/48	11286	0.30%	204508 -- MLGT, IT
21	2406:840:e620::/48	11008	0.29%	138535 -- FURDEVS-AS-AP Wu Qi, CN
22	2001:67c:20fc::/48	10873	0.29%	210564 -- SWANTZTER-AS, SE
23	2a05:4140:316::/48	10843	0.29%	204508 -- MLGT, IT
24	2a05:4140:333::/48	10674	0.28%	204508 -- MLGT, IT
25	2a05:4140:380::/42	10625	0.28%	204508 -- MLGT, IT
26	2a0a:e5c1:517::/48	9408	0.25%	199553 -- UNGLEICH-PLACE5, CH
27	2a0a:e5c0:16::/48	9306	0.25%	199553 -- UNGLEICH-PLACE5, CH
28	2a0a:e5c0:45::/48	9306	0.25%	199553 -- UNGLEICH-PLACE5, CH
29	2a0a:5480:4::/48	9250	0.24%	211894 -- UNGLEICH-PLACE18, CH
30	2a0a:5480:1::/48	9247	0.24%	211894 -- UNGLEICH-PLACE18, CH
31	2a0a:5480::/48	9247	0.24%	211894 -- UNGLEICH-PLACE18, CH
32	2a0a:5480:3::/48	9189	0.24%	211894 -- UNGLEICH-PLACE18, CH
33	2a03:90c0:7a0::/44	9179	0.24%	59437 -- NORTHERNDATA, DE
34	2a0a:5480:5::/48	9151	0.24%	211894 -- UNGLEICH-PLACE18, CH
35	2a0a:5480:2::/48	9149	0.24%	211894 -- UNGLEICH-PLACE18, CH
36	2a0e:b107:19cb::/48	9105	0.24%	214450 -- OGL-AS, DE
37	2a0a:5480:1ac::/48	8986	0.24%	211894 -- UNGLEICH-PLACE18, CH
38	2001:678:658::/48	8797	0.23%	214450 -- OGL-AS, DE
39	2600:6c7f:9370::/44	8325	0.22%	19115 -- CHARTER-19115-DC - Charter Communications LLC, US
40	2804:4bec::/32	8066	0.21%	28669 -- VERO S.A, BR
41	2804:7bf8::/34	7798	0.21%	271466 -- UC Telecom Ltda, BR
42	2a0a:280:3650::/44	7685	0.20%	44908 -- MANG_AS, IT
43	2804:7bf8:8000::/34	7580	0.20%	271466 -- UC Telecom Ltda, BR
44	2804:7bf8:c000::/34	7579	0.20%	271466 -- UC Telecom Ltda, BR
45	2c0f:c00:100::/40	7575	0.20%	328327 -- ASAP-AS, ZA
46	2001:12a0:4::/48	7447	0.20%	28292 -- ENGEPLUS INFORMATICA LTDA, BR
47	2804:7bf8:4000::/34	7406	0.20%	271466 -- UC Telecom Ltda, BR
48	2a14:7580:ed58::/46	7384	0.20%	215956 -- MYIP-AS MyIP.be ~ AS215956, BE
49	2a14:7580:ee0b::/48	7364	0.19%	215956 -- MYIP-AS MyIP.be ~ AS215956, BE
50	2c0f:c00:3000::/36	7269	0.19%	328327 -- ASAP-AS, ZA
Total		643903	17.00%

14 Day BGP Update Statistics Profile: 16-January-2026 00:00 - 30-January-2026 23:59 (UTC+1000)

Number of BGP Update Messages:	17053968
Number of Prefix Changes:	19442996
Number of Prefix Updates:	17053968
Number of Prefix Withdrawals:	2389028
Average Prefixes per BGP Update:	1.14
Average BGP Update Messages per second:	14.10
Average Prefix Updates per second:	16.07
Peak BGP Update Message Rate per second:	11722	(23:21:46 Fri, 30-Jan-2026)
Peak Prefix Update Rate per second:	11722	(23:21:46 Fri, 30-Jan-2026)
Peak Prefix Withdraw Rate per second:	3559	(20:52:40 Thu, 22-Jan-2026, )
Number of RIB Prefix Updates:	3557868	(0.21 of recv'd updates)
Number of RIB Prefix Withdrawals:	221393	(0.09 of recv'd withdrawals)
Peak RIB Update Rate per second:	7548	(19:59:24 Mon, 19-Jan-2026)
Peak RIB Withdrawal Rate per second:	3312	(20:52:40 Thu, 22-Jan-2026)
Seen Prefix Count:	255350
Updated Prefix Count:	248965
Stable Prefix Count:	6385
Seen Origin AS Count:	36072
Updated Origin AS Count:	35826
Stable Origin AS Count:	246
Seen Unique Path Count:	171906
Updated Path Count:	132863
Stable Path Count:	39043

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