The BGP IPv6 Instability Report

This report is updated daily. The current report
was generated on 1 February 2026 01:14 (UTC+1000)

50 Most active ASes for the past 14 days

RANK	ASN	UPDs	%	Prefixes	UPDs/Prefix	AS NAME
1	7552	325632	9.44%	3980	81.82	VIETEL-AS-AP Viettel Group, VN
2	39891	160734	4.66%	2058	78.10	ALJAWWALSTC-AS, SA
3	199340	101705	2.95%	2267	44.86	HONG-GUANWAN, HK
4	16509	86764	2.52%	5414	16.03	AMAZON-02 - Amazon.com, Inc., US
5	40138	83742	2.43%	38	2203.74	MDNET - Mach Dilemma, LLC, US
6	28649	78111	2.26%	77	1014.43	Desktop Sigmanet Comunicacao Multimidia SA, BR
7	211894	64636	1.87%	8	8079.50	UNGLEICH-PLACE18, CH
8	202256	62145	1.80%	265	234.51	LAWLIETNET, CN
9	204508	44204	1.28%	17	2600.24	MLGT, IT
10	5416	42964	1.25%	1043	41.19	Internet Service Provider, BH
11	396509	39651	1.15%	13	3050.08	LETSCLOUD - LETSCLOUD, US
12	22927	39065	1.13%	253	154.41	Telefonica de Argentina, AR
13	21351	37854	1.10%	17	2226.71	CANALPLUSTELECOM, GP
14	6535	35879	1.04%	8	4484.88	Telmex Servicios Empresariales S.A., CL
15	28598	33636	0.98%	14	2402.57	DB3 SERVICOS DE TELECOMUNICACOES S.A, BR
16	199553	31705	0.92%	6	5284.17	UNGLEICH-PLACE5, CH
17	210940	31499	0.91%	2	15749.50	SEASONCLOUD, BR
18	271466	30497	0.88%	10	3049.70	UC Telecom Ltda, BR
19	45271	26949	0.78%	1250	21.56	VIL-AS-AP Vodafone Idea Ltd, IN
20	137409	24482	0.71%	1121	21.84	GSLNETWORKS-AS-AP GSL Networks Pty LTD, AU
21	328327	22714	0.66%	6	3785.67	ASAP-AS, ZA
22	212691	22700	0.66%	2	11350.00	ARONSTRECKER-AS, DE
23	274743	22666	0.66%	7	3238.00	FASTWEB TELECOMUNICACOES, BR
24	10103	22437	0.65%	12	1869.75	HKBN-AS-AP HK Broadband Network Ltd., HK
25	272053	22218	0.64%	1	22218.00	ANTUNES FLORES SERGIO OMAR NUEVA NET, AR
26	203664	21088	0.61%	1	21088.00	LANXING-AS, CN
27	204210	21002	0.61%	4	5250.50	ZEUSPACKAGINGLTD, IE
28	11172	20263	0.59%	2300	8.81	Alestra, S. de R.L. de C.V., MX
29	213092	18975	0.55%	12	1581.25	MARBLEIS, GB
30	28126	18597	0.54%	26	715.27	BRISANET SERVICOS DE TELECOMUNICACOES S.A, BR
31	18403	18407	0.53%	3592	5.12	FPT-AS-AP FPT Telecom Company, VN
32	149500	17994	0.52%	4	4498.50	SR-AS-AP Shane Renshaw, HK
33	38266	17575	0.51%	1363	12.89	VIL-AS-AP Vodafone Idea Ltd, IN
34	262448	17566	0.51%	11	1596.91	DIALHOST INTERNET EIRELI, BR
35	139341	17384	0.50%	182	95.52	ACE-AS-AP ACE, SG
36	214450	17354	0.50%	2	8677.00	OGL-AS, DE
37	28640	17064	0.49%	15	1137.60	VIPWAY Telecomunicacoes Ltda, BR
38	48635	16526	0.48%	21	786.95	CLDIN-NL Your Hosting B.V. part of Your.Online, NL
39	213035	16056	0.47%	3	5352.00	AS-SERVERION Serverion B.V., NL
40	17072	15605	0.45%	1409	11.08	TOTAL PLAY TELECOMUNICACIONES SA DE CV, MX
41	263516	15356	0.45%	7	2193.71	Plis Inteligencia em Tecnologia Ltda., BR
42	215956	15292	0.44%	35	436.91	MYIP-AS MyIP.be ~ AS215956, BE
43	30058	15071	0.44%	146	103.23	FDCSERVERS - FDCservers.net, US
44	28292	14968	0.43%	7	2138.29	ENGEPLUS INFORMATICA LTDA, BR
45	23679	14939	0.43%	26	574.58	NUSANET-AS-ID PT. Media Antar Nusa, ID
46	9829	14896	0.43%	883	16.87	BSNL-NIB National Internet Backbone, IN
47	64289	13673	0.40%	3	4557.67	MACARNE - Macarne.com, US
48	20473	13633	0.40%	257	53.05	AS-VULTR - The Constant Company, LLC, US
49	13335	13373	0.39%	3170	4.22	CLOUDFLARENET - Cloudflare, Inc., US
50	8386	12983	0.38%	20	649.15	KOCNET, TR
Total		1910229	55.38%

50 Most active ASes for the past 14 days

RANK	ASN	UPDs/Prefix	%	Prefixes	UPDs	AS NAME
1	272053	22218.0	0.64%	1	22218	ANTUNES FLORES SERGIO OMAR NUEVA NET, AR
2	203664	21088.0	0.61%	1	21088	LANXING-AS, CN
3	210940	15749.5	0.91%	2	31499	SEASONCLOUD, BR
4	212691	11350.0	0.66%	2	22700	ARONSTRECKER-AS, DE
5	210564	9981.0	0.29%	1	9981	SWANTZTER-AS, SE
6	214450	8677.0	0.50%	2	17354	OGL-AS, DE
7	211894	8079.5	1.87%	8	64636	UNGLEICH-PLACE18, CH
8	141145	7112.0	0.21%	1	7112	GIGANET-AS-ID PT Giga Digital Nusantara, ID
9	199678	6053.0	0.18%	1	6053	AS-6RW-, RU
10	213035	5352.0	0.47%	3	16056	AS-SERVERION Serverion B.V., NL
11	199553	5284.2	0.92%	6	31705	UNGLEICH-PLACE5, CH
12	204210	5250.5	0.61%	4	21002	ZEUSPACKAGINGLTD, IE
13	20915	4716.0	0.14%	1	4716	HUNDRED-PERCENT-IT, GB
14	64289	4557.7	0.40%	3	13673	MACARNE - Macarne.com, US
15	328327	4542.8	0.66%	6	22714	ASAP-AS, ZA
16	149500	4498.5	0.52%	4	17994	SR-AS-AP Shane Renshaw, HK
17	6535	4484.9	1.04%	8	35879	Telmex Servicios Empresariales S.A., CL
18	202181	4251.0	0.12%	1	4251	TAMCOM-AS, RU
19	151650	3952.0	0.11%	1	3952	SWITCHFIBER-AS-AP Switch Fiber, PH
20	198090	3909.0	0.11%	1	3909	ASLIBRA, IT
21	138535	3635.7	0.32%	3	10907	FURDEVS-AS-AP Wu Qi, CN
22	396509	3604.6	1.15%	13	39651	LETSCLOUD - LETSCLOUD, US
23	211645	3591.0	0.10%	1	3591	SPG, DE
24	274743	3238.0	0.66%	7	22666	FASTWEB TELECOMUNICACOES, BR
25	263516	3071.2	0.45%	7	15356	Plis Inteligencia em Tecnologia Ltda., BR
26	271466	3049.7	0.88%	10	30497	UC Telecom Ltda, BR
27	58419	2901.5	0.17%	2	5803	DATAVAIL-IN Datavail Infotech Pvt Ltd, IN
28	210796	2849.0	0.17%	2	5698	BJOERN-SCHLEYER Bjoern Schleyer, DE
29	199235	2752.0	0.08%	1	2752	MIKROHALO-HU-AS, HU
30	204508	2600.2	1.28%	17	44204	MLGT, IT
31	6871	2533.0	0.22%	3	7599	PLUSNET UK Internet Service Provider, GB
32	61609	2481.0	0.14%	2	4962	NextHop Solutions, BR
33	214371	2472.0	0.07%	1	2472	HORIZON-IT, NL
34	28669	2468.0	0.29%	4	9872	VERO S.A, BR
35	28598	2402.6	0.98%	14	33636	DB3 SERVICOS DE TELECOMUNICACOES S.A, BR
36	44212	2302.0	0.27%	4	9208	ADELPHINET1-AS, IE
37	21351	2226.7	1.10%	17	37854	CANALPLUSTELECOM, GP
38	40138	2203.7	2.43%	38	83742	MDNET - Mach Dilemma, LLC, US
39	203168	2190.5	0.13%	2	4381	JLPB-AS, GB
40	208927	2140.0	0.06%	1	2140	WILO, DE
41	28292	2138.3	0.43%	7	14968	ENGEPLUS INFORMATICA LTDA, BR
42	208948	2110.7	0.18%	3	6332	RECYCLED-CLOUD-AS, CH
43	268157	1984.6	0.29%	7	9923	ELEVAR TELECOM LTDA, BR
44	10103	1869.8	0.65%	12	22437	HKBN-AS-AP HK Broadband Network Ltd., HK
45	28649	1816.5	2.26%	77	78111	Desktop Sigmanet Comunicacao Multimidia SA, BR
46	47279	1772.0	0.05%	1	1772	TPIP-AS, DE
47	205651	1770.0	0.05%	1	1770	CATOFES, CN
48	199689	1764.0	0.05%	1	1764	JOSHA-PRIOR Netralex BYOIP, NL
49	56118	1651.0	0.05%	1	1651	OCSC-TH Office of the Civil Service Commission 47111 Tiwanon Road, Talad Kwan Sub-District, Muang District, Nonthaburi 11000, TH
50	262448	1596.9	0.51%
Total		234292.8	26.44%

50 Most active Prefixes for the past 14 days

RANK	PREFIX	UPDs	%	Origin AS -- AS NAME
1	2a02:1391:5100::/40	37831	1.03%	21351 -- CANALPLUSTELECOM, GP
2	2804:248:100::/40	33623	0.92%	28598 -- DB3 SERVICOS DE TELECOMUNICACOES S.A, BR
3	2a14:67c1:b300::/40	31493	0.86%	210940 -- SEASONCLOUD, BR
4	2800:540:2010::/44	22547	0.62%	27995 -- CLARO CHILE S.A., CL 6535 -- Telmex Servicios Empresariales S.A., CL
5	2803:5d10::/32	22218	0.61%	272053 -- ANTUNES FLORES SERGIO OMAR NUEVA NET, AR
6	2a0e:aa07:e044::/48	21088	0.58%	203664 -- LANXING-AS, CN
7	2a0c:b641:302::/47	20999	0.57%	204210 -- ZEUSPACKAGINGLTD, IE
8	2a10:1440::/29	16054	0.44%	213035 -- AS-SERVERION Serverion B.V., NL
9	2800:540:2000::/44	13903	0.38%	27995 -- CLARO CHILE S.A., CL 6535 -- Telmex Servicios Empresariales S.A., CL
10	2a14:3f87:9800::/38	13667	0.37%	64289 -- MACARNE - Macarne.com, US
11	2001:678:114::/48	13504	0.37%	212691 -- ARONSTRECKER-AS, DE
12	240d:c010:165::/48	11735	0.32%	139341 -- ACE-AS-AP ACE, SG
13	2406:840:e620::/48	10896	0.30%	138535 -- FURDEVS-AS-AP Wu Qi, CN
14	2a05:4140:304::/48	10512	0.29%	204508 -- MLGT, IT
15	2a10:9902:732::/48	10300	0.28%	211972 -- MSN-NET, DE
16	2a05:4140:316::/48	10053	0.27%	204508 -- MLGT, IT
17	2001:67c:20fc::/48	9982	0.27%	210564 -- SWANTZTER-AS, SE
18	2a05:4140:333::/48	9887	0.27%	204508 -- MLGT, IT
19	2a05:4140:380::/42	9855	0.27%	204508 -- MLGT, IT
20	2804:4bec::/32	9851	0.27%	28669 -- VERO S.A, BR
21	2a0a:e5c1:517::/48	9434	0.26%	199553 -- UNGLEICH-PLACE5, CH
22	2a0a:e5c0:45::/48	9333	0.25%	199553 -- UNGLEICH-PLACE5, CH
23	2a0a:e5c0:16::/48	9333	0.25%	199553 -- UNGLEICH-PLACE5, CH
24	2a03:90c0:7a0::/44	9294	0.25%	59437 -- NORTHERNDATA, DE
25	2a0a:5480:4::/48	9279	0.25%	211894 -- UNGLEICH-PLACE18, CH
26	2a0a:5480:1::/48	9276	0.25%	211894 -- UNGLEICH-PLACE18, CH
27	2a0a:5480::/48	9275	0.25%	211894 -- UNGLEICH-PLACE18, CH
28	2a0a:5480:3::/48	9215	0.25%	211894 -- UNGLEICH-PLACE18, CH
29	2a0e:8f02:f05e::/48	9196	0.25%	212691 -- ARONSTRECKER-AS, DE
30	2a0a:5480:5::/48	9173	0.25%	211894 -- UNGLEICH-PLACE18, CH
31	2a0a:5480:2::/48	9170	0.25%	211894 -- UNGLEICH-PLACE18, CH
32	2a0a:5480:1ac::/48	8933	0.24%	211894 -- UNGLEICH-PLACE18, CH
33	2a0e:b107:19cb::/48	8835	0.24%	214450 -- OGL-AS, DE
34	2001:678:658::/48	8519	0.23%	214450 -- OGL-AS, DE
35	2001:12a0:4::/48	7889	0.22%	28292 -- ENGEPLUS INFORMATICA LTDA, BR
36	2c0f:c00:100::/40	7837	0.21%	328327 -- ASAP-AS, ZA
37	2804:7bf8:8000::/34	7819	0.21%	271466 -- UC Telecom Ltda, BR
38	2804:7bf8::/34	7629	0.21%	271466 -- UC Telecom Ltda, BR
39	2a02:16c8::/35	7597	0.21%	6871 -- PLUSNET UK Internet Service Provider, GB
40	2c0f:c00:3000::/36	7549	0.21%	328327 -- ASAP-AS, ZA
41	2804:7bf8:c000::/34	7527	0.21%	271466 -- UC Telecom Ltda, BR
42	2804:7bf8:4000::/34	7454	0.20%	271466 -- UC Telecom Ltda, BR
43	2600:6c7f:9370::/44	7405	0.20%	19115 -- CHARTER-19115-DC - Charter Communications LLC, US
44	2a14:7580:ed58::/46	7366	0.20%	215956 -- MYIP-AS MyIP.be ~ AS215956, BE
45	2a14:7580:ee0b::/48	7352	0.20%	215956 -- MYIP-AS MyIP.be ~ AS215956, BE
46	2c0f:c00:200::/40	7326	0.20%	328327 -- ASAP-AS, ZA
47	2407:5440::/48	7112	0.19%	141145 -- GIGANET-AS-ID PT Giga Digital Nusantara, ID
48	2001:12a0:a000::/48	6927	0.19%	28292 -- ENGEPLUS INFORMATICA LTDA, BR
49	2a0f:9400:7370::/48	6919	0.19%	213092 -- MARBLEIS, GB
50	2a0f:9400:737d::/48	6740	0.18%	213092 -- MARBLEIS, GB
Total		586711	15.99%

14 Day BGP Update Statistics Profile: 17-January-2026 00:00 - 31-January-2026 23:59 (UTC+1000)

Number of BGP Update Messages:	17270215
Number of Prefix Changes:	19636930
Number of Prefix Updates:	17270215
Number of Prefix Withdrawals:	2366715
Average Prefixes per BGP Update:	1.14
Average BGP Update Messages per second:	14.28
Average Prefix Updates per second:	16.23
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:	3449694	(0.20 of recv'd updates)
Number of RIB Prefix Withdrawals:	214606	(0.09 of recv'd withdrawals)
Peak RIB Update Rate per second:	7644	(19:59:24 Mon, 19-Jan-2026)
Peak RIB Withdrawal Rate per second:	3312	(20:52:40 Thu, 22-Jan-2026)
Seen Prefix Count:	255412
Updated Prefix Count:	249014
Stable Prefix Count:	6398
Seen Origin AS Count:	36075
Updated Origin AS Count:	35829
Stable Origin AS Count:	246
Seen Unique Path Count:	171115
Updated Path Count:	130422
Stable Path Count:	40693

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