The BGP IPv6 Instability Report

This report is updated daily. The current report
was generated on 29 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	326288	10.12%	3977	82.04	VIETEL-AS-AP Viettel Group, VN
2	39891	187920	5.83%	2058	91.31	ALJAWWALSTC-AS, SA
3	199340	99534	3.09%	2267	43.91	HONG-GUANWAN, HK
4	16509	89275	2.77%	5431	16.44	AMAZON-02 - Amazon.com, Inc., US
5	40138	88642	2.75%	38	2332.68	MDNET - Mach Dilemma, LLC, US
6	28649	76938	2.39%	77	999.19	Desktop Sigmanet Comunicacao Multimidia SA, BR
7	211894	56131	1.74%	8	7016.38	UNGLEICH-PLACE18, CH
8	202256	54421	1.69%	265	205.36	LAWLIETNET, CN
9	204508	45395	1.41%	17	2670.29	MLGT, IT
10	28126	41997	1.30%	71	591.51	BRISANET SERVICOS DE TELECOMUNICACOES S.A, BR
11	21351	41049	1.27%	17	2414.65	CANALPLUSTELECOM, GP
12	396509	39539	1.23%	13	3041.46	LETSCLOUD - LETSCLOUD, US
13	28598	33563	1.04%	14	2397.36	DB3 SERVICOS DE TELECOMUNICACOES S.A, BR
14	199553	32446	1.01%	6	5407.67	UNGLEICH-PLACE5, CH
15	271466	29951	0.93%	10	2995.10	UC Telecom Ltda, BR
16	6535	27750	0.86%	8	3468.75	Telmex Servicios Empresariales S.A., CL
17	328327	26210	0.81%	6	4368.33	ASAP-AS, ZA
18	22927	23979	0.74%	253	94.78	Telefonica de Argentina, AR
19	38266	23700	0.74%	1363	17.39	VIL-AS-AP Vodafone Idea Ltd, IN
20	212691	23649	0.73%	2	11824.50	ARONSTRECKER-AS, DE
21	272053	23184	0.72%	1	23184.00	ANTUNES FLORES SERGIO OMAR NUEVA NET, AR
22	204210	22893	0.71%	4	5723.25	ZEUSPACKAGINGLTD, IE
23	136873	21855	0.68%	8	2731.88	MEGADATA-AS-ID MEGADATA-ISP, ID
24	149500	21693	0.67%	4	5423.25	SR-AS-AP Shane Renshaw, HK
25	139341	21040	0.65%	182	115.60	ACE-AS-AP ACE, SG
26	10103	20296	0.63%	12	1691.33	HKBN-AS-AP HK Broadband Network Ltd., HK
27	262448	19962	0.62%	11	1814.73	DIALHOST INTERNET EIRELI, BR
28	213092	19828	0.62%	12	1652.33	MARBLEIS, GB
29	137409	19453	0.60%	1121	17.35	GSLNETWORKS-AS-AP GSL Networks Pty LTD, AU
30	214450	18979	0.59%	2	9489.50	OGL-AS, DE
31	203664	18486	0.57%	1	18486.00	LANXING-AS, CN
32	45271	18341	0.57%	1250	14.67	VIL-AS-AP Vodafone Idea Ltd, IN
33	18403	18308	0.57%	3612	5.07	FPT-AS-AP FPT Telecom Company, VN
34	42772	17581	0.55%	19	925.32	A1-BY-AS, BY
35	211972	17509	0.54%	7	2501.29	MSN-NET, DE
36	48635	16770	0.52%	21	798.57	CLDIN-NL Your Hosting B.V. part of Your.Online, NL
37	17072	15729	0.49%	1409	11.16	TOTAL PLAY TELECOMUNICACIONES SA DE CV, MX
38	215956	15367	0.48%	35	439.06	MYIP-AS MyIP.be ~ AS215956, BE
39	30058	15307	0.47%	146	104.84	FDCSERVERS - FDCservers.net, US
40	274743	15267	0.47%	7	2181.00	FASTWEB TELECOMUNICACOES, BR
41	8386	14495	0.45%	20	724.75	KOCNET, TR
42	64289	14074	0.44%	11	1279.45	MACARNE - Macarne.com, US
43	5416	14020	0.43%	1043	13.44	Internet Service Provider, BH
44	13335	13974	0.43%	3170	4.41	CLOUDFLARENET - Cloudflare, Inc., US
45	9829	13722	0.43%	832	16.49	BSNL-NIB National Internet Backbone, IN
46	264525	13312	0.41%	5	2662.40	Coelho Tecnologia, BR
47	20473	13095	0.41%	248	52.80	AS-VULTR - The Constant Company, LLC, US
48	61573	13088	0.41%	13	1006.77	IP TELECOM, BR
49	21664	12930	0.40%	37	349.46	AMZN-BYOASN - Amazon.com, Inc., US
50	28640	12871	0.40%	15	858.07	VIPWAY Telecomunicacoes Ltda, BR
Total		1881806	58.38%

50 Most active ASes for the past 14 days

RANK	ASN	UPDs/Prefix	%	Prefixes	UPDs	AS NAME
1	272053	23184.0	0.72%	1	23184	ANTUNES FLORES SERGIO OMAR NUEVA NET, AR
2	203664	18486.0	0.57%	1	18486	LANXING-AS, CN
3	210564	11890.0	0.37%	1	11890	SWANTZTER-AS, SE
4	212691	11824.5	0.73%	2	23649	ARONSTRECKER-AS, DE
5	214450	9489.5	0.59%	2	18979	OGL-AS, DE
6	141145	8795.0	0.27%	1	8795	GIGANET-AS-ID PT Giga Digital Nusantara, ID
7	211894	7016.4	1.74%	8	56131	UNGLEICH-PLACE18, CH
8	264525	6656.0	0.41%	5	13312	Coelho Tecnologia, BR
9	203168	6476.0	0.20%	1	6476	JLPB-AS, GB
10	204210	5723.2	0.71%	4	22893	ZEUSPACKAGINGLTD, IE
11	149500	5423.2	0.67%	4	21693	SR-AS-AP Shane Renshaw, HK
12	199553	5407.7	1.01%	6	32446	UNGLEICH-PLACE5, CH
13	328327	5242.0	0.81%	6	26210	ASAP-AS, ZA
14	20915	4725.0	0.15%	1	4725	HUNDRED-PERCENT-IT, GB
15	213035	4249.7	0.40%	3	12749	AS-SERVERION Serverion B.V., NL
16	202181	3902.0	0.12%	1	3902	TAMCOM-AS, RU
17	198090	3896.0	0.12%	1	3896	ASLIBRA, IT
18	138535	3752.7	0.35%	3	11258	FURDEVS-AS-AP Wu Qi, CN
19	396509	3594.5	1.23%	13	39539	LETSCLOUD - LETSCLOUD, US
20	6535	3468.8	0.86%	8	27750	Telmex Servicios Empresariales S.A., CL
21	211645	3451.0	0.11%	1	3451	SPG, DE
22	214371	3326.0	0.10%	1	3326	HORIZON-IT, NL
23	271466	2995.1	0.93%	10	29951	UC Telecom Ltda, BR
24	199235	2754.0	0.09%	1	2754	MIKROHALO-HU-AS, HU
25	199678	2745.0	0.09%	1	2745	AS-6RW-, RU
26	136873	2731.9	0.68%	8	21855	MEGADATA-AS-ID MEGADATA-ISP, ID
27	204508	2670.3	1.41%	17	45395	MLGT, IT
28	58419	2537.5	0.16%	2	5075	DATAVAIL-IN Datavail Infotech Pvt Ltd, IN
29	211972	2501.3	0.54%	7	17509	MSN-NET, DE
30	44212	2470.0	0.31%	4	9880	ADELPHINET1-AS, IE
31	263516	2444.0	0.38%	7	12220	Plis Inteligencia em Tecnologia Ltda., BR
32	50685	2424.0	0.08%	1	2424	UNITED-NETWORKS-AS, BY
33	21351	2414.6	1.27%	17	41049	CANALPLUSTELECOM, GP
34	28598	2397.4	1.04%	14	33563	DB3 SERVICOS DE TELECOMUNICACOES S.A, BR
35	40138	2332.7	2.75%	38	88642	MDNET - Mach Dilemma, LLC, US
36	205820	2274.5	0.14%	2	4549	VDCBY-AS, BY
37	30083	2192.0	0.20%	3	6576	AS-30083-US-VELIA-NET - velia.net, DE
38	274743	2181.0	0.47%	7	15267	FASTWEB TELECOMUNICACOES, BR
39	208927	2130.0	0.07%	1	2130	WILO, DE
40	208948	2113.0	0.20%	3	6339	RECYCLED-CLOUD-AS, CH
41	268157	1984.6	0.31%	7	9923	ELEVAR TELECOM LTDA, BR
42	199689	1974.0	0.06%	1	1974	JOSHA-PRIOR Netralex BYOIP, NL
43	205651	1971.0	0.06%	1	1971	CATOFES, CN
44	47279	1825.0	0.06%	1	1825	TPIP-AS, DE
45	262448	1814.7	0.62%	11	19962	DIALHOST INTERNET EIRELI, BR
46	213092	1802.5	0.62%	12	19828	MARBLEIS, GB
47	26445	1791.0	0.06%	1	1791	OWL - 4096 SVCS LLC, US
48	28649	1789.3	2.39%	77	76938	Desktop Sigmanet Comunicacao Multimidia SA, BR
49	399916	1787.0	0.06%	1	1787	PACKETSTREAM-NAM - PACKETSTREAM LLC, US
50	57928	1785.0	0.06%
Total		222811.6	27.35%

50 Most active Prefixes for the past 14 days

RANK	PREFIX	UPDs	%	Origin AS -- AS NAME
1	2a02:1391:5100::/40	41006	1.19%	21351 -- CANALPLUSTELECOM, GP
2	2804:248:100::/40	33550	0.97%	28598 -- DB3 SERVICOS DE TELECOMUNICACOES S.A, BR
3	2803:5d10::/32	23184	0.67%	272053 -- ANTUNES FLORES SERGIO OMAR NUEVA NET, AR
4	2a0c:b641:302::/47	22889	0.66%	204210 -- ZEUSPACKAGINGLTD, IE
5	2a0e:aa07:e044::/48	18486	0.54%	203664 -- LANXING-AS, CN
6	2800:540:2010::/44	18168	0.53%	27995 -- CLARO CHILE S.A., CL 6535 -- Telmex Servicios Empresariales S.A., CL
7	2a10:9902:732::/48	17454	0.51%	211972 -- MSN-NET, DE
8	240d:c010:165::/48	15961	0.46%	139341 -- ACE-AS-AP ACE, SG
9	2001:678:114::/48	14256	0.41%	212691 -- ARONSTRECKER-AS, DE
10	2a14:3f87:9800::/38	13993	0.41%	64289 -- MACARNE - Macarne.com, US
11	2804:20fc:2000::/36	13309	0.39%	264525 -- Coelho Tecnologia, BR
12	2a10:1440::/29	12747	0.37%	213035 -- AS-SERVERION Serverion B.V., NL
13	2001:67c:20fc::/48	11891	0.34%	210564 -- SWANTZTER-AS, SE
14	2a05:4140:304::/48	11458	0.33%	204508 -- MLGT, IT
15	2406:840:e620::/48	11257	0.33%	138535 -- FURDEVS-AS-AP Wu Qi, CN
16	2a05:4140:316::/48	10946	0.32%	204508 -- MLGT, IT
17	2a05:4140:380::/42	10839	0.31%	204508 -- MLGT, IT
18	2a05:4140:333::/48	10834	0.31%	204508 -- MLGT, IT
19	2800:540:2000::/44	10177	0.29%	27995 -- CLARO CHILE S.A., CL 6535 -- Telmex Servicios Empresariales S.A., CL
20	2a0e:b107:19cb::/48	9630	0.28%	214450 -- OGL-AS, DE
21	2a0e:8f02:f05e::/48	9393	0.27%	212691 -- ARONSTRECKER-AS, DE
22	2a0a:e5c1:517::/48	9384	0.27%	199553 -- UNGLEICH-PLACE5, CH
23	2001:678:658::/48	9349	0.27%	214450 -- OGL-AS, DE
24	2a0a:e5c0:16::/48	9303	0.27%	199553 -- UNGLEICH-PLACE5, CH
25	2a0a:e5c0:45::/48	9302	0.27%	199553 -- UNGLEICH-PLACE5, CH
26	2c0f:c00:3000::/36	9043	0.26%	328327 -- ASAP-AS, ZA
27	2c0f:c00:100::/40	8814	0.26%	328327 -- ASAP-AS, ZA
28	2407:5440::/48	8795	0.25%	141145 -- GIGANET-AS-ID PT Giga Digital Nusantara, ID
29	2804:51f8::/32	8712	0.25%	268487 -- PRISMA TELECOMUNICACOES LTDA. EPP, BR
30	2c0f:c00:200::/40	8351	0.24%	328327 -- ASAP-AS, ZA
31	2a03:90c0:7a0::/44	8297	0.24%	59437 -- NORTHERNDATA, DE
32	2600:140f:3200::/48	8175	0.24%	55644 -- VIL-AS-AP Vodafone Idea Ltd, IN
33	2a0a:5480:5::/48	8027	0.23%	211894 -- UNGLEICH-PLACE18, CH
34	2a0a:5480:2::/48	8027	0.23%	211894 -- UNGLEICH-PLACE18, CH
35	2a0a:5480:1ac::/48	8026	0.23%	211894 -- UNGLEICH-PLACE18, CH
36	2a0a:5480:3::/48	8020	0.23%	211894 -- UNGLEICH-PLACE18, CH
37	2a0a:5480:4::/48	8010	0.23%	211894 -- UNGLEICH-PLACE18, CH
38	2a0a:5480::/48	8010	0.23%	211894 -- UNGLEICH-PLACE18, CH
39	2a0a:5480:1::/48	8010	0.23%	211894 -- UNGLEICH-PLACE18, CH
40	2804:7bf8:8000::/34	7691	0.22%	271466 -- UC Telecom Ltda, BR
41	2600:6c7f:9370::/44	7688	0.22%	19115 -- CHARTER-19115-DC - Charter Communications LLC, US
42	2804:7bf8:c000::/34	7429	0.22%	271466 -- UC Telecom Ltda, BR
43	2a14:7580:ed58::/46	7394	0.21%	215956 -- MYIP-AS MyIP.be ~ AS215956, BE
44	2a14:7580:ee0b::/48	7381	0.21%	215956 -- MYIP-AS MyIP.be ~ AS215956, BE
45	2804:7bf8::/34	7360	0.21%	271466 -- UC Telecom Ltda, BR
46	2804:7bf8:4000::/34	7330	0.21%	271466 -- UC Telecom Ltda, BR
47	2a0f:9400:7370::/48	7095	0.21%	213092 -- MARBLEIS, GB
48	2a0f:9400:737d::/48	7027	0.20%	213092 -- MARBLEIS, GB
49	2400:58a0:1003::/48	6701	0.19%	149500 -- SR-AS-AP Shane Renshaw, HK
50	2605:de00:bb::/48	6572	0.19%	30083 -- AS-30083-US-VELIA-NET - velia.net, DE
Total		574751	16.61%

14 Day BGP Update Statistics Profile: 14-January-2026 00:00 - 28-January-2026 23:59 (UTC+1000)

Number of BGP Update Messages:	16532033
Number of Prefix Changes:	18988134
Number of Prefix Updates:	16532033
Number of Prefix Withdrawals:	2456101
Average Prefixes per BGP Update:	1.15
Average BGP Update Messages per second:	13.67
Average Prefix Updates per second:	15.70
Peak BGP Update Message Rate per second:	10371	(06:13:50 Thu, 15-Jan-2026)
Peak Prefix Update Rate per second:	10371	(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:	3223457	(0.19 of recv'd updates)
Number of RIB Prefix Withdrawals:	226728	(0.09 of recv'd withdrawals)
Peak RIB Update Rate per second:	9907	(06:13:50 Thu, 15-Jan-2026)
Peak RIB Withdrawal Rate per second:	3238	(20:52:40 Thu, 22-Jan-2026)
Seen Prefix Count:	254826
Updated Prefix Count:	247437
Stable Prefix Count:	7389
Seen Origin AS Count:	36051
Updated Origin AS Count:	35772
Stable Origin AS Count:	279
Seen Unique Path Count:	168556
Updated Path Count:	124607
Stable Path Count:	43949

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