The BGP IPv6 Instability Report

This report is updated daily. The current report
was generated on 24 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	189597	5.81%	3977	47.67	VIETEL-AS-AP Viettel Group, VN
2	199340	101406	3.11%	2620	38.70	HONG-GUANWAN, HK
3	16509	95101	2.91%	5426	17.53	AMAZON-02 - Amazon.com, Inc., US
4	40138	88752	2.72%	38	2335.58	MDNET - Mach Dilemma, LLC, US
5	28649	72858	2.23%	77	946.21	Desktop Sigmanet Comunicacao Multimidia SA, BR
6	28126	70879	2.17%	68	1042.34	BRISANET SERVICOS DE TELECOMUNICACOES S.A, BR
7	211894	65305	2.00%	8	8163.12	UNGLEICH-PLACE18, CH
8	10103	61891	1.90%	12	5157.58	HKBN-AS-AP HK Broadband Network Ltd., HK
9	204508	49977	1.53%	17	2939.82	MLGT, IT
10	39891	46545	1.43%	2058	22.62	ALJAWWALSTC-AS, SA
11	21351	44897	1.38%	17	2641.00	CANALPLUSTELECOM, GP
12	202256	38405	1.18%	265	144.92	LAWLIETNET, CN
13	396509	37048	1.14%	13	2849.85	LETSCLOUD - LETSCLOUD, US
14	199553	36414	1.12%	6	6069.00	UNGLEICH-PLACE5, CH
15	28598	33656	1.03%	14	2404.00	DB3 SERVICOS DE TELECOMUNICACOES S.A, BR
16	136873	31533	0.97%	8	3941.62	MEGADATA-AS-ID MEGADATA-ISP, ID
17	38266	28297	0.87%	1384	20.45	VIL-AS-AP Vodafone Idea Ltd, IN
18	271466	27179	0.83%	10	2717.90	UC Telecom Ltda, BR
19	272053	26332	0.81%	1	26332.00	ANTUNES FLORES SERGIO OMAR NUEVA NET, AR
20	45271	25851	0.79%	1250	20.68	VIL-AS-AP Vodafone Idea Ltd, IN
21	328327	25062	0.77%	6	4177.00	ASAP-AS, ZA
22	137409	23852	0.73%	1103	21.62	GSLNETWORKS-AS-AP GSL Networks Pty LTD, AU
23	262448	23279	0.71%	11	2116.27	DIALHOST INTERNET EIRELI, BR
24	204210	21523	0.66%	4	5380.75	ZEUSPACKAGINGLTD, IE
25	42772	21314	0.65%	19	1121.79	A1-BY-AS, BY
26	213092	21201	0.65%	12	1766.75	MARBLEIS, GB
27	203664	19688	0.60%	1	19688.00	LANXING-AS, CN
28	48635	19472	0.60%	21	927.24	CLDIN-NL Your Hosting B.V. part of Your.Online, NL
29	18403	19463	0.60%	3612	5.39	FPT-AS-AP FPT Telecom Company, VN
30	5416	19324	0.59%	1042	18.55	Internet Service Provider, BH
31	17072	19111	0.59%	1410	13.55	TOTAL PLAY TELECOMUNICACIONES SA DE CV, MX
32	9287	18966	0.58%	8	2370.75	TIDCC-AS-AP True Internet Data Center Company Limited, TH
33	214450	18824	0.58%	2	9412.00	OGL-AS, DE
34	8386	17369	0.53%	20	868.45	KOCNET, TR
35	32098	17030	0.52%	1742	9.78	TRANSTELCO-INC - Transtelco Inc, US
36	30058	17016	0.52%	146	116.55	FDCSERVERS - FDCservers.net, US
37	23679	15745	0.48%	26	605.58	NUSANET-AS-ID PT. Media Antar Nusa, ID
38	151810	15340	0.47%	4	3835.00	PHYLAXISINC-AS-AP Phylaxis Korea, KR
39	61573	15309	0.47%	13	1177.62	IP TELECOM, BR
40	215956	15075	0.46%	35	430.71	MYIP-AS MyIP.be ~ AS215956, BE
41	149500	14427	0.44%	4	3606.75	SR-AS-AP Shane Renshaw, HK
42	274743	14415	0.44%	7	2059.29	FASTWEB TELECOMUNICACOES, BR
43	13335	14101	0.43%	3167	4.45	CLOUDFLARENET - Cloudflare, Inc., US
44	210564	13637	0.42%	1	13637.00	SWANTZTER-AS, SE
45	2018	13135	0.40%	14	938.21	TENET-1, ZA
46	9829	13135	0.40%	789	16.65	BSNL-NIB National Internet Backbone, IN
47	21664	12650	0.39%	37	341.89	AMZN-BYOASN - Amazon.com, Inc., US
48	25106	12222	0.37%	32	381.94	MTSBY-AS, BY
49	138535	11569	0.35%	3	3856.33	FURDEVS-AS-AP Wu Qi, CN
50	43350	11385	0.35%	24	474.38	NFORCE, NL
Total		1686562	51.68%

50 Most active ASes for the past 14 days

RANK	ASN	UPDs/Prefix	%	Prefixes	UPDs	AS NAME
1	272053	26332.0	0.81%	1	26332	ANTUNES FLORES SERGIO OMAR NUEVA NET, AR
2	203664	19688.0	0.60%	1	19688	LANXING-AS, CN
3	210564	13637.0	0.42%	1	13637	SWANTZTER-AS, SE
4	205651	10028.0	0.31%	1	10028	CATOFES, CN
5	214450	9412.0	0.58%	2	18824	OGL-AS, DE
6	211894	8163.1	2.00%	8	65305	UNGLEICH-PLACE18, CH
7	141145	6782.0	0.21%	1	6782	GIGANET-AS-ID PT Giga Digital Nusantara, ID
8	199553	6069.0	1.12%	6	36414	UNGLEICH-PLACE5, CH
9	199678	5941.0	0.18%	1	5941	AS-6RW-, RU
10	203168	5874.0	0.18%	1	5874	JLPB-AS, GB
11	204210	5380.8	0.66%	4	21523	ZEUSPACKAGINGLTD, IE
12	10103	5157.6	1.90%	12	61891	HKBN-AS-AP HK Broadband Network Ltd., HK
13	328327	5012.4	0.77%	6	25062	ASAP-AS, ZA
14	20915	4772.0	0.15%	1	4772	HUNDRED-PERCENT-IT, GB
15	264525	4716.5	0.29%	5	9433	Coelho Tecnologia, BR
16	212691	4659.5	0.29%	2	9319	ARONSTRECKER-AS, DE
17	26445	4390.0	0.13%	1	4390	OWL - 4096 SVCS LLC, US
18	136873	3941.6	0.97%	8	31533	MEGADATA-AS-ID MEGADATA-ISP, ID
19	198090	3893.0	0.12%	1	3893	ASLIBRA, IT
20	138535	3856.3	0.35%	3	11569	FURDEVS-AS-AP Wu Qi, CN
21	151810	3835.0	0.47%	4	15340	PHYLAXISINC-AS-AP Phylaxis Korea, KR
22	149500	3606.8	0.44%	4	14427	SR-AS-AP Shane Renshaw, HK
23	30083	3596.0	0.33%	3	10788	AS-30083-US-VELIA-NET - velia.net, DE
24	211645	3427.0	0.11%	1	3427	SPG, DE
25	396509	3368.0	1.14%	13	37048	LETSCLOUD - LETSCLOUD, US
26	210796	3052.5	0.19%	2	6105	BJOERN-SCHLEYER Bjoern Schleyer, DE
27	214371	2941.0	0.09%	1	2941	HORIZON-IT, NL
28	204508	2939.8	1.53%	17	49977	MLGT, IT
29	199235	2823.0	0.09%	1	2823	MIKROHALO-HU-AS, HU
30	399916	2725.0	0.08%	1	2725	PACKETSTREAM-NAM - PACKETSTREAM LLC, US
31	271466	2717.9	0.83%	10	27179	UC Telecom Ltda, BR
32	21351	2641.0	1.38%	17	44897	CANALPLUSTELECOM, GP
33	271944	2615.0	0.08%	1	2615	AUDIBEL TELECOMUNICACIONES S.A., AR
34	47279	2518.0	0.08%	1	2518	TPIP-AS, DE
35	44212	2512.0	0.31%	4	10048	ADELPHINET1-AS, IE
36	50685	2453.0	0.08%	1	2453	UNITED-NETWORKS-AS, BY
37	202181	2424.0	0.07%	1	2424	TAMCOM-AS, RU
38	28598	2404.0	1.03%	14	33656	DB3 SERVICOS DE TELECOMUNICACOES S.A, BR
39	9287	2370.8	0.58%	8	18966	TIDCC-AS-AP True Internet Data Center Company Limited, TH
40	40138	2335.6	2.72%	38	88752	MDNET - Mach Dilemma, LLC, US
41	205820	2303.5	0.14%	2	4607	VDCBY-AS, BY
42	262901	2235.5	0.14%	2	4471	Vcnet Provedora de Internet Ltda., BR
43	150805	2183.0	0.13%	2	4366	A-FIN-KR-AS A-FIN KOREA CORP, KR
44	53147	2130.0	0.13%	2	4260	FONTES SOLUCOES TECNOLOGICAS LTDA, BR
45	213092	2120.1	0.65%	12	21201	MARBLEIS, GB
46	208927	2120.0	0.06%	1	2120	WILO, DE
47	208948	2118.0	0.19%	3	6354	RECYCLED-CLOUD-AS, CH
48	262448	2116.3	0.71%	11	23279	DIALHOST INTERNET EIRELI, BR
49	213035	2092.7	0.19%	3	6278	AS-SERVERION Serverion B.V., NL
50	199689	2087.0	0.06%
Total		236517.3	26.07%

50 Most active Prefixes for the past 14 days

RANK	PREFIX	UPDs	%	Origin AS -- AS NAME
1	2a02:1391:5100::/40	44857	1.28%	21351 -- CANALPLUSTELECOM, GP
2	2804:248:100::/40	33619	0.96%	28598 -- DB3 SERVICOS DE TELECOMUNICACOES S.A, BR
3	2803:5d10::/32	26332	0.75%	272053 -- ANTUNES FLORES SERGIO OMAR NUEVA NET, AR
4	2a0c:b641:302::/47	21518	0.61%	204210 -- ZEUSPACKAGINGLTD, IE
5	2a0e:aa07:e044::/48	19688	0.56%	203664 -- LANXING-AS, CN
6	2001:67c:20fc::/48	13638	0.39%	210564 -- SWANTZTER-AS, SE
7	2607:74c0:140::/44	12575	0.36%	10103 -- HKBN-AS-AP HK Broadband Network Ltd., HK
8	2607:74c0:100::/44	12512	0.36%	10103 -- HKBN-AS-AP HK Broadband Network Ltd., HK
9	2607:74c0:120::/44	12416	0.35%	10103 -- HKBN-AS-AP HK Broadband Network Ltd., HK
10	2607:74c0:110::/44	12270	0.35%	10103 -- HKBN-AS-AP HK Broadband Network Ltd., HK
11	2607:74c0:130::/44	12097	0.34%	10103 -- HKBN-AS-AP HK Broadband Network Ltd., HK
12	2406:840:e620::/48	11550	0.33%	138535 -- FURDEVS-AS-AP Wu Qi, CN
13	2a05:4140:304::/48	11417	0.33%	204508 -- MLGT, IT
14	2a05:4140:316::/48	11055	0.31%	204508 -- MLGT, IT
15	2a05:4140:333::/48	11006	0.31%	204508 -- MLGT, IT
16	2a05:4140:380::/42	10938	0.31%	204508 -- MLGT, IT
17	2605:de00:bb::/48	10784	0.31%	30083 -- AS-30083-US-VELIA-NET - velia.net, DE
18	2a0d:2904::/44	10028	0.29%	205651 -- CATOFES, CN
19	2a14:3f87:9800::/38	9844	0.28%	64289 -- MACARNE - Macarne.com, US
20	2a0e:b107:19cb::/48	9482	0.27%	214450 -- OGL-AS, DE
21	2a0a:e5c1:517::/48	9454	0.27%	199553 -- UNGLEICH-PLACE5, CH
22	2804:20fc:2000::/36	9431	0.27%	264525 -- Coelho Tecnologia, BR
23	2a0a:e5c0:45::/48	9408	0.27%	199553 -- UNGLEICH-PLACE5, CH
24	2a0a:e5c0:16::/48	9403	0.27%	199553 -- UNGLEICH-PLACE5, CH
25	2001:678:658::/48	9342	0.27%	214450 -- OGL-AS, DE
26	2a0a:5480:1::/48	9335	0.27%	211894 -- UNGLEICH-PLACE18, CH
27	2a0a:5480:4::/48	9333	0.27%	211894 -- UNGLEICH-PLACE18, CH
28	2a0a:5480::/48	9324	0.27%	211894 -- UNGLEICH-PLACE18, CH
29	2a0a:5480:3::/48	9290	0.26%	211894 -- UNGLEICH-PLACE18, CH
30	2a0a:5480:5::/48	9285	0.26%	211894 -- UNGLEICH-PLACE18, CH
31	2a0a:5480:1ac::/48	9282	0.26%	211894 -- UNGLEICH-PLACE18, CH
32	2a0a:5480:2::/48	9265	0.26%	211894 -- UNGLEICH-PLACE18, CH
33	2c0f:c00:3000::/36	8983	0.26%	328327 -- ASAP-AS, ZA
34	2c0f:c00:100::/40	8289	0.24%	328327 -- ASAP-AS, ZA
35	2600:140f:3200::/48	8260	0.24%	55644 -- VIL-AS-AP Vodafone Idea Ltd, IN
36	2a0a:e5c0:42::/48	7971	0.23%	199553 -- UNGLEICH-PLACE5, CH
37	2c0f:c00:200::/40	7788	0.22%	328327 -- ASAP-AS, ZA
38	2a14:7580:ed58::/46	7320	0.21%	215956 -- MYIP-AS MyIP.be ~ AS215956, BE
39	2804:7bf8::/34	7299	0.21%	271466 -- UC Telecom Ltda, BR
40	2a14:7580:ee0b::/48	7291	0.21%	215956 -- MYIP-AS MyIP.be ~ AS215956, BE
41	2a0f:9400:7370::/48	7254	0.21%	213092 -- MARBLEIS, GB
42	2a0f:9400:737d::/48	7163	0.20%	213092 -- MARBLEIS, GB
43	2804:7bf8:4000::/34	6999	0.20%	271466 -- UC Telecom Ltda, BR
44	2600:6c7f:9370::/44	6814	0.19%	19115 -- CHARTER-19115-DC - Charter Communications LLC, US
45	2804:7bf8:8000::/34	6807	0.19%	271466 -- UC Telecom Ltda, BR
46	2407:5440::/48	6783	0.19%	141145 -- GIGANET-AS-ID PT Giga Digital Nusantara, ID
47	2a0d:d9c3::/32	6352	0.18%	208948 -- RECYCLED-CLOUD-AS, CH
48	2a10:1440::/29	6276	0.18%	213035 -- AS-SERVERION Serverion B.V., NL
49	2804:868:d059::/48	5993	0.17%	28649 -- Desktop Sigmanet Comunicacao Multimidia SA, BR
50	2804:51f8::/32	5965	0.17%	268487 -- PRISMA TELECOMUNICACOES LTDA. EPP, BR
Total		559385	15.95%

14 Day BGP Update Statistics Profile: 9-January-2026 00:00 - 23-January-2026 23:59 (UTC+1000)

Number of BGP Update Messages:	16438315
Number of Prefix Changes:	19109703
Number of Prefix Updates:	16438315
Number of Prefix Withdrawals:	2671388
Average Prefixes per BGP Update:	1.16
Average BGP Update Messages per second:	13.59
Average Prefix Updates per second:	15.80
Peak BGP Update Message Rate per second:	9691	(06:13:50 Thu, 15-Jan-2026)
Peak Prefix Update Rate per second:	9691	(06:13:50 Thu, 15-Jan-2026)
Peak Prefix Withdraw Rate per second:	4055	(12:10:34 Sat, 10-Jan-2026, )
Number of RIB Prefix Updates:	3263771	(0.20 of recv'd updates)
Number of RIB Prefix Withdrawals:	245775	(0.09 of recv'd withdrawals)
Peak RIB Update Rate per second:	9070	(06:13:50 Thu, 15-Jan-2026)
Peak RIB Withdrawal Rate per second:	4055	(12:10:34 Sat, 10-Jan-2026)
Seen Prefix Count:	253305
Updated Prefix Count:	246302
Stable Prefix Count:	7003
Seen Origin AS Count:	36024
Updated Origin AS Count:	35768
Stable Origin AS Count:	256
Seen Unique Path Count:	175582
Updated Path Count:	136576
Stable Path Count:	39006

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