The BGP IPv6 Instability Report

This report is updated daily. The current report
was generated on 10 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	504945	11.49%	3977	126.97	VIETEL-AS-AP Viettel Group, VN
2	34600	247293	5.63%	1	247293.00	AS6GNET, PL
3	202256	182736	4.16%	770	237.32	LAWLIETNET, CN
4	24158	143262	3.26%	506	283.13	TAIWANMOBILE-AS Taiwan Mobile Co., Ltd., TW
5	199340	121842	2.77%	3811	31.97	HONG-GUANWAN, HK
6	28126	102530	2.33%	23	4457.83	BRISANET SERVICOS DE TELECOMUNICACOES S.A, BR
7	16509	85839	1.95%	5355	16.03	AMAZON-02, US
8	40138	83909	1.91%	38	2208.13	MDNET, US
9	207432	75112	1.71%	546	137.57	CORESTREAM, US
10	211894	66632	1.52%	8	8329.00	UNGLEICH-PLACE18, CH
11	28649	59801	1.36%	77	776.64	Desktop Sigmanet Comunicacao Multimidia SA, BR
12	10103	56779	1.29%	12	4731.58	HKBN-AS-AP HK Broadband Network Ltd., HK
13	204508	52860	1.20%	17	3109.41	MLGT, IT
14	38841	47286	1.08%	38	1244.37	KBRO-AS-TW kbro CO. Ltd., TW
15	21351	46801	1.07%	17	2753.00	CANALPLUSTELECOM, GP
16	199553	38220	0.87%	6	6370.00	UNGLEICH-PLACE5, CH
17	39891	37564	0.85%	2058	18.25	ALJAWWALSTC-AS, SA
18	396509	34453	0.78%	13	2650.23	LETSCLOUD, US
19	263262	32425	0.74%	19	1706.58	MOV TELECOM LTDA, BR
20	43350	30979	0.71%	25	1239.16	NFORCE, NL
21	206672	30835	0.70%	65	474.38	LOGISPIN-AS, AT
22	24164	27176	0.62%	12	2264.67	UBBNET-AS-TW UNION BROADBAND NETWORK, TW
23	28598	26701	0.61%	14	1907.21	DB3 SERVICOS DE TELECOMUNICACOES S.A, BR
24	205651	26631	0.61%	1	26631.00	CATOFES, CN
25	213092	25904	0.59%	14	1850.29	MARBLEIS, GB
26	62610	25414	0.58%	79	321.70	ZEN-DPS, US
27	12252	25264	0.58%	457	55.28	America Movil Peru S.A.C., PE
28	38266	24443	0.56%	1384	17.66	VIL-AS-AP Vodafone Idea Ltd, IN
29	203664	23814	0.54%	1	23814.00	LANXING-AS, CN
30	262448	23608	0.54%	11	2146.18	DIALHOST INTERNET EIRELI, BR
31	48635	23214	0.53%	21	1105.43	CLDIN-NL Your Hosting B.V. part of Your.Online, NL
32	139341	22464	0.51%	179	125.50	ACE-AS-AP ACE, SG
33	30058	22184	0.50%	146	151.95	FDCSERVERS, US
34	45271	20842	0.47%	1250	16.67	VIL-AS-AP Vodafone Idea Ltd, IN
35	149500	20828	0.47%	4	5207.00	SR-AS-AP Shane Renshaw, HK
36	274743	20648	0.47%	7	2949.71	FASTWEB TELECOMUNICACOES, BR
37	204210	19943	0.45%	4	4985.75	ZEUSPACKAGINGLTD, IE
38	47331	19634	0.45%	1264	15.53	TTNET, TR
39	61573	18592	0.42%	13	1430.15	Ip Telecom, BR
40	328327	18257	0.42%	6	3042.83	ASAP-AS, ZA
41	214450	17862	0.41%	2	8931.00	OGL-AS, DE
42	2018	16820	0.38%	14	1201.43	TENET-1, ZA
43	209898	16602	0.38%	2	8301.00	UNGLEICH-UNGLEICH-UPSTREAM, CH
44	212691	16118	0.37%	2	8059.00	ARONSTRECKER-AS, DE
45	137409	15745	0.36%	1103	14.27	GSLNETWORKS-AS-AP GSL Networks Pty LTD, AU
46	9924	15724	0.36%	11	1429.45	TFN-TW Taiwan Fixed Network, Telco and Network Service Provider., TW
47	136873	15363	0.35%	8	1920.38	MEGADATA-AS-ID MEGADATA-ISP, ID
48	8386	15349	0.35%	20	767.45	KOCNET, TR
49	28458	15207	0.35%	2	7603.50	IENTC S DE RL DE CV, MX
50	31673	14905	0.34%	11	1355.00	UNISERVER-AS, NL
Total		2677359	60.95%

50 Most active ASes for the past 14 days

RANK	ASN	UPDs/Prefix	%	Prefixes	UPDs	AS NAME
1	34600	247293.0	5.63%	1	247293	AS6GNET, PL
2	205651	26631.0	0.61%	1	26631	CATOFES, CN
3	203664	23814.0	0.54%	1	23814	LANXING-AS, CN
4	21351	23400.5	1.07%	17	46801	CANALPLUSTELECOM, GP
5	204210	19943.0	0.45%	4	19943	ZEUSPACKAGINGLTD, IE
6	209898	16602.0	0.38%	2	16602	UNGLEICH-UNGLEICH-UPSTREAM, CH
7	210564	14871.0	0.34%	1	14871	SWANTZTER-AS, SE
8	151650	12793.0	0.29%	1	12793	SWITCHFIBER-AS-AP Switch Fiber, PH
9	30083	10281.0	0.23%	3	10281	AS-30083-US-VELIA-NET, DE
10	214450	8931.0	0.41%	2	17862	OGL-AS, DE
11	328631	8610.0	0.20%	1	8610	BallitoISP, ZA
12	211894	8329.0	1.52%	8	66632	UNGLEICH-PLACE18, CH
13	212691	8059.0	0.37%	2	16118	ARONSTRECKER-AS, DE
14	28458	7603.5	0.35%	2	15207	IENTC S DE RL DE CV, MX
15	6871	7380.0	0.17%	3	7380	PLUSNET UK Internet Service Provider, GB
16	271944	6731.0	0.15%	1	6731	AUDIBEL TELECOMUNICACIONES S.A., AR
17	268487	6530.0	0.15%	5	6530	PRISMA TELECOMUNICACOES LTDA. EPP, BR
18	264525	6488.0	0.30%	5	12976	Coelho Tecnologia, BR
19	199553	6370.0	0.87%	6	38220	UNGLEICH-PLACE5, CH
20	199678	5848.0	0.13%	1	5848	AS-6RW-, RU
21	208948	5616.0	0.13%	3	5616	RECYCLED-CLOUD-AS, CH
22	61580	5235.0	0.12%	5	5235	Nucleo de Inf. e Coord. do Ponto BR - NIC., BR
23	149500	5207.0	0.47%	4	20828	SR-AS-AP Shane Renshaw, HK
24	28126	5126.5	2.33%	23	102530	BRISANET SERVICOS DE TELECOMUNICACOES S.A, BR
25	265063	4754.0	0.11%	1	4754	NEX INTERNET, BR
26	10103	4731.6	1.29%	12	56779	HKBN-AS-AP HK Broadband Network Ltd., HK
27	6535	4680.5	0.21%	8	9361	Telmex Servicios Empresariales S.A., CL
28	20915	4635.0	0.11%	1	4635	HUNDRED-PERCENT-IT, GB
29	266911	4506.3	0.31%	3	13519	VicNet Telecom, BR
30	269647	4493.0	0.10%	7	4493	FROHLICH E FERREIRA LTDA ME, BR
31	138535	4366.0	0.30%	3	13098	FURDEVS-AS-AP Wu Qi, CN
32	204508	4066.2	1.20%	17	52860	MLGT, IT
33	198090	3929.0	0.09%	1	3929	ASLIBRA, IT
34	21570	3795.0	0.09%	5	3795	ACI-1, CA
35	22690	3715.0	0.08%	1	3715	AxiomNET-AS, RW
36	328327	3651.4	0.42%	6	18257	ASAP-AS, ZA
37	210796	3501.0	0.16%	2	7002	BJOERN-SCHLEYER Bjoern Schleyer, DE
38	396509	3445.3	0.78%	13	34453	LETSCLOUD, US
39	211645	3430.0	0.08%	1	3430	SPG, DE
40	9671	3158.5	0.14%	2	6317	TRADEVAN-AS-AP Trade-Van Informaiton Services Co., TW
41	268644	3084.0	0.07%	1	3084	Eletrochip Informatica e Telecomunicacoes Ltda., BR
42	274743	2949.7	0.47%	7	20648	FASTWEB TELECOMUNICACOES, BR
43	131143	2862.0	0.07%	1	2862	CHINATRUST-AS-TW Chinatrust Commercial Bank, TW
44	199235	2855.0	0.06%	1	2855	MIKROHALO-HU-AS, HU
45	39900	2831.3	0.19%	3	8494	GOODTEC, LV
46	17420	2781.0	0.06%	1	2781	ACEREDC-TW Acer e-Enabling Data Center, Inc., TW
47	53147	2719.5	0.12%	2	5439	FONTES SOLUCOES TECNOLOGICAS LTDA, BR
48	40138	2706.7	1.91%	38	83909	MDNET, US
49	214160	2673.0	0.06%	2	2673	SHREE, GB
50	18429	2663.0	0.18%
Total		590675.5	25.87%

50 Most active Prefixes for the past 14 days

RANK	PREFIX	UPDs	%	Origin AS -- AS NAME
1	2a0f:7c40::/29	247293	5.32%	34600 -- AS6GNET, PL
2	2a02:1391:5100::/40	46797	1.01%	21351 -- CANALPLUSTELECOM, GP
3	2804:248:100::/40	26672	0.57%	28598 -- DB3 SERVICOS DE TELECOMUNICACOES S.A, BR
4	2a0d:2904::/44	26631	0.57%	205651 -- CATOFES, CN
5	2a0e:aa07:e044::/48	23814	0.51%	203664 -- LANXING-AS, CN
6	2a0c:b641:302::/47	19943	0.43%	204210 -- ZEUSPACKAGINGLTD, IE
7	240d:c010:165::/48	18855	0.41%	139341 -- ACE-AS-AP ACE, SG
8	2a0a:e5c0:76::/48	16602	0.36%	209898 -- UNGLEICH-UNGLEICH-UPSTREAM, CH
9	2806:202::/32	15182	0.33%	28458 -- IENTC S DE RL DE CV, MX
10	2001:67c:20fc::/48	14872	0.32%	210564 -- SWANTZTER-AS, SE
11	2406:840:e620::/48	13005	0.28%	138535 -- FURDEVS-AS-AP Wu Qi, CN
12	2804:20fc:2000::/36	12971	0.28%	264525 -- Coelho Tecnologia, BR
13	2401:2260::/32	12793	0.28%	151650 -- SWITCHFIBER-AS-AP Switch Fiber, PH
14	2607:74c0:100::/44	11544	0.25%	10103 -- HKBN-AS-AP HK Broadband Network Ltd., HK
15	2607:74c0:140::/44	11499	0.25%	10103 -- HKBN-AS-AP HK Broadband Network Ltd., HK
16	2607:74c0:120::/44	11469	0.25%	10103 -- HKBN-AS-AP HK Broadband Network Ltd., HK
17	2a05:4140:304::/48	11369	0.24%	204508 -- MLGT, IT
18	2a05:4140:316::/48	11343	0.24%	204508 -- MLGT, IT
19	2a05:4140:380::/42	11230	0.24%	204508 -- MLGT, IT
20	2a05:4140:333::/48	11197	0.24%	204508 -- MLGT, IT
21	2607:74c0:110::/44	11189	0.24%	10103 -- HKBN-AS-AP HK Broadband Network Ltd., HK
22	2607:74c0:130::/44	11057	0.24%	10103 -- HKBN-AS-AP HK Broadband Network Ltd., HK
23	2605:de00:bb::/48	10281	0.22%	30083 -- AS-30083-US-VELIA-NET, DE
24	2a14:3f87:9800::/38	10017	0.22%	64289 -- MACARNE, US
25	2a0a:e5c1:517::/48	9605	0.21%	199553 -- UNGLEICH-PLACE5, CH
26	2a0a:e5c0:16::/48	9576	0.21%	199553 -- UNGLEICH-PLACE5, CH
27	2a0a:e5c0:45::/48	9573	0.21%	199553 -- UNGLEICH-PLACE5, CH
28	2a0a:5480:5::/48	9488	0.20%	211894 -- UNGLEICH-PLACE18, CH
29	2a0a:5480:1ac::/48	9482	0.20%	211894 -- UNGLEICH-PLACE18, CH
30	2a0a:5480:4::/48	9474	0.20%	211894 -- UNGLEICH-PLACE18, CH
31	2a0a:5480:1::/48	9470	0.20%	211894 -- UNGLEICH-PLACE18, CH
32	2a0a:5480::/48	9467	0.20%	211894 -- UNGLEICH-PLACE18, CH
33	2a0a:5480:2::/48	9459	0.20%	211894 -- UNGLEICH-PLACE18, CH
34	2a0a:5480:3::/48	9454	0.20%	211894 -- UNGLEICH-PLACE18, CH
35	2001:678:658::/48	9019	0.19%	214450 -- OGL-AS, DE
36	2a0a:e5c0:42::/48	8968	0.19%	199553 -- UNGLEICH-PLACE5, CH
37	2a03:90c0:7a0::/44	8852	0.19%	59437 -- NORTHERNDATA, DE
38	2a0e:b107:19cb::/48	8845	0.19%	214450 -- OGL-AS, DE
39	2c0f:e8a8::/32	8610	0.19%	328631 -- BallitoISP, ZA
40	2600:6c7f:9370::/44	8253	0.18%	19115 -- CHARTER-19115-DC, US
41	2a0e:8f02:f05e::/48	8155	0.18%	212691 -- ARONSTRECKER-AS, DE
42	2001:678:114::/48	7963	0.17%	212691 -- ARONSTRECKER-AS, DE
43	2a13:aac4:1000::/36	7705	0.17%	204508 -- MLGT, IT
44	2001:1260:103::/48	7458	0.16%	13591 -- Mexico Red de Telecomunicaciones, S. de R.L. de C.V., MX
45	2a02:16c8::/35	7380	0.16%	6871 -- PLUSNET UK Internet Service Provider, GB
46	2a0a:6040:b40::/48	7267	0.16%	200329 -- HYPERTOAST-AS, US
47	2a14:7580:ed58::/46	6901	0.15%	215956 -- MYIP-AS MyIP.be ~ AS215956, BE
48	2a14:7580:ee0b::/48	6819	0.15%	215956 -- MYIP-AS MyIP.be ~ AS215956, BE
49	2803:6610::/32	6731	0.14%	271944 -- AUDIBEL TELECOMUNICACIONES S.A., AR
50	2804:51f8::/32	6530	0.14%	268487 -- PRISMA TELECOMUNICACOES LTDA. EPP, BR
Total		838129	18.04%

14 Day BGP Update Statistics Profile: 26-December-2025 00:00 - 9-January-2026 23:59 (UTC+1000)

Number of BGP Update Messages:	17075706
Number of Prefix Changes:	20064808
Number of Prefix Updates:	17075706
Number of Prefix Withdrawals:	2989102
Average Prefixes per BGP Update:	1.18
Average BGP Update Messages per second:	14.12
Average Prefix Updates per second:	16.59
Peak BGP Update Message Rate per second:	7021	(19:13:44 Thu, 1-Jan-2026)
Peak Prefix Update Rate per second:	7021	(19:13:44 Thu, 1-Jan-2026)
Peak Prefix Withdraw Rate per second:	3574	(18:04:23 Fri, 9-Jan-2026, )
Number of RIB Prefix Updates:	4393598	(0.26 of recv'd updates)
Number of RIB Prefix Withdrawals:	252985	(0.08 of recv'd withdrawals)
Peak RIB Update Rate per second:	3332	(15:10:08 Fri, 9-Jan-2026)
Peak RIB Withdrawal Rate per second:	560	(06:13:23 Sat, 27-Dec-2025)
Seen Prefix Count:	249805
Updated Prefix Count:	120194
Stable Prefix Count:	129611
Seen Origin AS Count:	35994
Updated Origin AS Count:	19344
Stable Origin AS Count:	16650
Seen Unique Path Count:	145092
Updated Path Count:	107544
Stable Path Count:	37548

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