The BGP IPv6 Instability Report

This report is updated daily. The current report
was generated on 27 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	343182	9.97%	3977	86.29	VIETEL-AS-AP Viettel Group, VN
2	39891	193502	5.62%	2058	94.02	ALJAWWALSTC-AS, SA
3	199340	100490	2.92%	2266	44.35	HONG-GUANWAN, HK
4	16509	91767	2.67%	5425	16.92	AMAZON-02 - Amazon.com, Inc., US
5	40138	87180	2.53%	38	2294.21	MDNET - Mach Dilemma, LLC, US
6	28649	75210	2.19%	77	976.75	Desktop Sigmanet Comunicacao Multimidia SA, BR
7	211894	64580	1.88%	8	8072.50	UNGLEICH-PLACE18, CH
8	28126	58345	1.70%	68	858.01	BRISANET SERVICOS DE TELECOMUNICACOES S.A, BR
9	202256	49275	1.43%	265	185.94	LAWLIETNET, CN
10	204508	47230	1.37%	17	2778.24	MLGT, IT
11	21351	42856	1.25%	17	2520.94	CANALPLUSTELECOM, GP
12	396509	39261	1.14%	13	3020.08	LETSCLOUD - LETSCLOUD, US
13	199553	34553	1.00%	6	5758.83	UNGLEICH-PLACE5, CH
14	28598	33768	0.98%	14	2412.00	DB3 SERVICOS DE TELECOMUNICACOES S.A, BR
15	38266	33626	0.98%	1384	24.30	VIL-AS-AP Vodafone Idea Ltd, IN
16	212691	29081	0.85%	2	14540.50	ARONSTRECKER-AS, DE
17	271466	28688	0.83%	10	2868.80	UC Telecom Ltda, BR
18	328327	27550	0.80%	6	4591.67	ASAP-AS, ZA
19	136873	25978	0.75%	8	3247.25	MEGADATA-AS-ID MEGADATA-ISP, ID
20	45271	25959	0.75%	1250	20.77	VIL-AS-AP Vodafone Idea Ltd, IN
21	272053	25378	0.74%	1	25378.00	ANTUNES FLORES SERGIO OMAR NUEVA NET, AR
22	149500	24218	0.70%	4	6054.50	SR-AS-AP Shane Renshaw, HK
23	137409	23624	0.69%	1121	21.07	GSLNETWORKS-AS-AP GSL Networks Pty LTD, AU
24	204210	22522	0.65%	4	5630.50	ZEUSPACKAGINGLTD, IE
25	211972	22472	0.65%	7	3210.29	MSN-NET, DE
26	10103	21449	0.62%	12	1787.42	HKBN-AS-AP HK Broadband Network Ltd., HK
27	262448	21407	0.62%	11	1946.09	DIALHOST INTERNET EIRELI, BR
28	42772	21344	0.62%	19	1123.37	A1-BY-AS, BY
29	213092	20183	0.59%	12	1681.92	MARBLEIS, GB
30	17072	19437	0.56%	1410	13.79	TOTAL PLAY TELECOMUNICACIONES SA DE CV, MX
31	214450	18880	0.55%	2	9440.00	OGL-AS, DE
32	203664	18611	0.54%	1	18611.00	LANXING-AS, CN
33	18403	18393	0.53%	3612	5.09	FPT-AS-AP FPT Telecom Company, VN
34	48635	17180	0.50%	21	818.10	CLDIN-NL Your Hosting B.V. part of Your.Online, NL
35	22927	15991	0.46%	252	63.46	Telefonica de Argentina, AR
36	23679	15834	0.46%	26	609.00	NUSANET-AS-ID PT. Media Antar Nusa, ID
37	8386	15614	0.45%	20	780.70	KOCNET, TR
38	215956	15467	0.45%	35	441.91	MYIP-AS MyIP.be ~ AS215956, BE
39	30058	15463	0.45%	146	105.91	FDCSERVERS - FDCservers.net, US
40	274743	15037	0.44%	7	2148.14	FASTWEB TELECOMUNICACOES, BR
41	13335	13455	0.39%	3168	4.25	CLOUDFLARENET - Cloudflare, Inc., US
42	61573	13342	0.39%	13	1026.31	IP TELECOM, BR
43	64289	13313	0.39%	11	1210.27	MACARNE - Macarne.com, US
44	32098	12900	0.37%	1743	7.40	TRANSTELCO-INC - Transtelco Inc, US
45	21664	12769	0.37%	37	345.11	AMZN-BYOASN - Amazon.com, Inc., US
46	20473	12570	0.37%	234	53.72	AS-VULTR - The Constant Company, LLC, US
47	210564	12508	0.36%	1	12508.00	SWANTZTER-AS, SE
48	12041	12446	0.36%	228	54.59	AS-AFILIAS1 - Afilias, Inc., US
49	25106	12222	0.36%	32	381.94	MTSBY-AS, BY
50	2018	12184	0.35%	14	870.29	TENET-1, ZA
Total		1948294	56.59%

50 Most active ASes for the past 14 days

RANK	ASN	UPDs/Prefix	%	Prefixes	UPDs	AS NAME
1	272053	25378.0	0.74%	1	25378	ANTUNES FLORES SERGIO OMAR NUEVA NET, AR
2	203664	18611.0	0.54%	1	18611	LANXING-AS, CN
3	212691	14540.5	0.85%	2	29081	ARONSTRECKER-AS, DE
4	210564	12508.0	0.36%	1	12508	SWANTZTER-AS, SE
5	214450	9440.0	0.55%	2	18880	OGL-AS, DE
6	141145	8797.0	0.26%	1	8797	GIGANET-AS-ID PT Giga Digital Nusantara, ID
7	211894	8072.5	1.88%	8	64580	UNGLEICH-PLACE18, CH
8	203168	6499.0	0.19%	1	6499	JLPB-AS, GB
9	149500	6054.5	0.70%	4	24218	SR-AS-AP Shane Renshaw, HK
10	199553	5758.8	1.00%	6	34553	UNGLEICH-PLACE5, CH
11	204210	5630.5	0.65%	4	22522	ZEUSPACKAGINGLTD, IE
12	328327	5510.0	0.80%	6	27550	ASAP-AS, ZA
13	264525	5246.5	0.30%	5	10493	Coelho Tecnologia, BR
14	20915	4846.0	0.14%	1	4846	HUNDRED-PERCENT-IT, GB
15	205651	4774.0	0.14%	1	4774	CATOFES, CN
16	198090	3893.0	0.11%	1	3893	ASLIBRA, IT
17	138535	3666.3	0.32%	3	10999	FURDEVS-AS-AP Wu Qi, CN
18	396509	3569.2	1.14%	13	39261	LETSCLOUD - LETSCLOUD, US
19	214371	3366.0	0.10%	1	3366	HORIZON-IT, NL
20	202181	3357.0	0.10%	1	3357	TAMCOM-AS, RU
21	211645	3349.0	0.10%	1	3349	SPG, DE
22	136873	3247.2	0.75%	8	25978	MEGADATA-AS-ID MEGADATA-ISP, ID
23	211972	3210.3	0.65%	7	22472	MSN-NET, DE
24	213035	3199.0	0.28%	3	9597	AS-SERVERION Serverion B.V., NL
25	210796	2974.5	0.17%	2	5949	BJOERN-SCHLEYER Bjoern Schleyer, DE
26	26445	2884.0	0.08%	1	2884	OWL - 4096 SVCS LLC, US
27	271466	2868.8	0.83%	10	28688	UC Telecom Ltda, BR
28	204508	2778.2	1.37%	17	47230	MLGT, IT
29	199235	2778.0	0.08%	1	2778	MIKROHALO-HU-AS, HU
30	30083	2747.0	0.24%	3	8241	AS-30083-US-VELIA-NET - velia.net, DE
31	199678	2672.0	0.08%	1	2672	AS-6RW-, RU
32	21351	2520.9	1.25%	17	42856	CANALPLUSTELECOM, GP
33	44212	2498.0	0.29%	4	9992	ADELPHINET1-AS, IE
34	50685	2467.0	0.07%	1	2467	UNITED-NETWORKS-AS, BY
35	6871	2427.7	0.21%	3	7283	PLUSNET UK Internet Service Provider, GB
36	28598	2412.0	0.98%	14	33768	DB3 SERVICOS DE TELECOMUNICACOES S.A, BR
37	205820	2308.5	0.13%	2	4617	VDCBY-AS, BY
38	58419	2305.0	0.13%	2	4610	DATAVAIL-IN Datavail Infotech Pvt Ltd, IN
39	40138	2294.2	2.53%	38	87180	MDNET - Mach Dilemma, LLC, US
40	151810	2278.5	0.26%	4	9114	PHYLAXISINC-AS-AP Phylaxis Korea, KR
41	274743	2148.1	0.44%	7	15037	FASTWEB TELECOMUNICACOES, BR
42	199689	2122.0	0.06%	1	2122	JOSHA-PRIOR Netralex BYOIP, NL
43	208948	2109.0	0.18%	3	6327	RECYCLED-CLOUD-AS, CH
44	47279	2044.0	0.06%	1	2044	TPIP-AS, DE
45	262448	1946.1	0.62%	11	21407	DIALHOST INTERNET EIRELI, BR
46	263516	1927.4	0.28%	7	9637	Plis Inteligencia em Tecnologia Ltda., BR
47	268157	1892.6	0.27%	7	9463	ELEVAR TELECOM LTDA, BR
48	213092	1834.8	0.59%	12	20183	MARBLEIS, GB
49	57928	1828.0	0.05%	1	1828	PRODWARE-AS, FR
50	10103	1787.4	0.62%
Total		233377	24.52%

50 Most active Prefixes for the past 14 days

RANK	PREFIX	UPDs	%	Origin AS -- AS NAME
1	2a02:1391:5100::/40	42817	1.16%	21351 -- CANALPLUSTELECOM, GP
2	2804:248:100::/40	33755	0.92%	28598 -- DB3 SERVICOS DE TELECOMUNICACOES S.A, BR
3	2803:5d10::/32	25378	0.69%	272053 -- ANTUNES FLORES SERGIO OMAR NUEVA NET, AR
4	2a0c:b641:302::/47	22517	0.61%	204210 -- ZEUSPACKAGINGLTD, IE
5	2a10:9902:732::/48	22422	0.61%	211972 -- MSN-NET, DE
6	2a0e:aa07:e044::/48	18612	0.51%	203664 -- LANXING-AS, CN
7	2001:678:114::/48	16264	0.44%	212691 -- ARONSTRECKER-AS, DE
8	2a14:3f87:9800::/38	13232	0.36%	64289 -- MACARNE - Macarne.com, US
9	2a0e:8f02:f05e::/48	12817	0.35%	212691 -- ARONSTRECKER-AS, DE
10	2001:67c:20fc::/48	12509	0.34%	210564 -- SWANTZTER-AS, SE
11	2a05:4140:304::/48	11661	0.32%	204508 -- MLGT, IT
12	2a05:4140:333::/48	11102	0.30%	204508 -- MLGT, IT
13	2a05:4140:316::/48	11053	0.30%	204508 -- MLGT, IT
14	2a05:4140:380::/42	11012	0.30%	204508 -- MLGT, IT
15	2406:840:e620::/48	10995	0.30%	138535 -- FURDEVS-AS-AP Wu Qi, CN
16	2804:20fc:2000::/36	10491	0.28%	264525 -- Coelho Tecnologia, BR
17	2c0f:c00:3000::/36	9785	0.27%	328327 -- ASAP-AS, ZA
18	2600:6c7f:9370::/44	9754	0.26%	19115 -- CHARTER-19115-DC - Charter Communications LLC, US
19	2a0e:b107:19cb::/48	9597	0.26%	214450 -- OGL-AS, DE
20	2a10:1440::/29	9595	0.26%	213035 -- AS-SERVERION Serverion B.V., NL
21	2a0a:e5c1:517::/48	9383	0.25%	199553 -- UNGLEICH-PLACE5, CH
22	2600:140f:3200::/48	9372	0.25%	55644 -- VIL-AS-AP Vodafone Idea Ltd, IN
23	2a0a:e5c0:45::/48	9325	0.25%	199553 -- UNGLEICH-PLACE5, CH
24	2a0a:e5c0:16::/48	9325	0.25%	199553 -- UNGLEICH-PLACE5, CH
25	2001:678:658::/48	9283	0.25%	214450 -- OGL-AS, DE
26	2a0a:5480:4::/48	9243	0.25%	211894 -- UNGLEICH-PLACE18, CH
27	2a0a:5480:1::/48	9242	0.25%	211894 -- UNGLEICH-PLACE18, CH
28	2a0a:5480::/48	9234	0.25%	211894 -- UNGLEICH-PLACE18, CH
29	2a0a:5480:3::/48	9198	0.25%	211894 -- UNGLEICH-PLACE18, CH
30	2a0a:5480:5::/48	9183	0.25%	211894 -- UNGLEICH-PLACE18, CH
31	2a0a:5480:1ac::/48	9181	0.25%	211894 -- UNGLEICH-PLACE18, CH
32	2a0a:5480:2::/48	9173	0.25%	211894 -- UNGLEICH-PLACE18, CH
33	2c0f:c00:100::/40	9122	0.25%	328327 -- ASAP-AS, ZA
34	2407:5440::/48	8797	0.24%	141145 -- GIGANET-AS-ID PT Giga Digital Nusantara, ID
35	2c0f:c00:200::/40	8641	0.23%	328327 -- ASAP-AS, ZA
36	2605:de00:bb::/48	8237	0.22%	30083 -- AS-30083-US-VELIA-NET - velia.net, DE
37	2a14:7580:ed58::/46	7400	0.20%	215956 -- MYIP-AS MyIP.be ~ AS215956, BE
38	2a14:7580:ee0b::/48	7381	0.20%	215956 -- MYIP-AS MyIP.be ~ AS215956, BE
39	2a03:90c0:7a0::/44	7375	0.20%	59437 -- NORTHERNDATA, DE
40	2804:7bf8:8000::/34	7369	0.20%	271466 -- UC Telecom Ltda, BR
41	2a02:16c8::/35	7281	0.20%	6871 -- PLUSNET UK Internet Service Provider, GB
42	2804:7bf8::/34	7258	0.20%	271466 -- UC Telecom Ltda, BR
43	2804:51f8::/32	7143	0.19%	268487 -- PRISMA TELECOMUNICACOES LTDA. EPP, BR
44	2400:58a0:1003::/48	7060	0.19%	149500 -- SR-AS-AP Shane Renshaw, HK
45	2804:7bf8:c000::/34	7018	0.19%	271466 -- UC Telecom Ltda, BR
46	2a0f:9400:7370::/48	7005	0.19%	213092 -- MARBLEIS, GB
47	2a0f:9400:737d::/48	7003	0.19%	213092 -- MARBLEIS, GB
48	2804:7bf8:4000::/34	6942	0.19%	271466 -- UC Telecom Ltda, BR
49	2a0f:1cc5:1b00::/48	6499	0.18%	203168 -- JLPB-AS, GB
50	2a0a:e5c0:42::/48	6476	0.18%	199553 -- UNGLEICH-PLACE5, CH
Total		570517	15.48%

14 Day BGP Update Statistics Profile: 12-January-2026 00:00 - 26-January-2026 23:59 (UTC+1000)

Number of BGP Update Messages:	16609064
Number of Prefix Changes:	19157367
Number of Prefix Updates:	16609064
Number of Prefix Withdrawals:	2548303
Average Prefixes per BGP Update:	1.15
Average BGP Update Messages per second:	13.73
Average Prefix Updates per second:	15.84
Peak BGP Update Message Rate per second:	9946	(06:13:50 Thu, 15-Jan-2026)
Peak Prefix Update Rate per second:	9946	(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:	3441313	(0.21 of recv'd updates)
Number of RIB Prefix Withdrawals:	241403	(0.09 of recv'd withdrawals)
Peak RIB Update Rate per second:	9407	(06:13:50 Thu, 15-Jan-2026)
Peak RIB Withdrawal Rate per second:	3237	(20:52:40 Thu, 22-Jan-2026)
Seen Prefix Count:	253207
Updated Prefix Count:	246161
Stable Prefix Count:	7046
Seen Origin AS Count:	36021
Updated Origin AS Count:	35759
Stable Origin AS Count:	262
Seen Unique Path Count:	172030
Updated Path Count:	132129
Stable Path Count:	39901

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