The BGP IPv6 Instability Report

This report is updated daily. The current report
was generated on 11 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	563559	12.54%	3977	141.70	VIETEL-AS-AP Viettel Group, VN
2	39891	281794	6.27%	2058	136.93	ALJAWWALSTC-AS, SA
3	34600	169289	3.77%	1	169289.00	AS6GNET, PL
4	202256	167747	3.73%	770	217.85	LAWLIETNET, CN
5	199340	120257	2.68%	3811	31.56	HONG-GUANWAN, HK
6	18403	105037	2.34%	3324	31.60	FPT-AS-AP FPT Telecom Company, VN
7	28126	95699	2.13%	23	4160.83	BRISANET SERVICOS DE TELECOMUNICACOES S.A, BR
8	16509	86387	1.92%	5357	16.13	AMAZON-02, US
9	40138	84217	1.87%	38	2216.24	MDNET, US
10	24158	83369	1.86%	506	164.76	TAIWANMOBILE-AS Taiwan Mobile Co., Ltd., TW
11	211894	66728	1.48%	8	8341.00	UNGLEICH-PLACE18, CH
12	28649	60575	1.35%	77	786.69	Desktop Sigmanet Comunicacao Multimidia SA, BR
13	207432	56002	1.25%	546	102.57	CORESTREAM, US
14	204508	49258	1.10%	17	2897.53	MLGT, IT
15	21351	47079	1.05%	17	2769.35	CANALPLUSTELECOM, GP
16	38841	38759	0.86%	38	1019.97	KBRO-AS-TW kbro CO. Ltd., TW
17	199553	38341	0.85%	6	6390.17	UNGLEICH-PLACE5, CH
18	396509	34291	0.76%	13	2637.77	LETSCLOUD, US
19	43350	31632	0.70%	25	1265.28	NFORCE, NL
20	206672	30915	0.69%	65	475.62	LOGISPIN-AS, AT
21	28598	29415	0.65%	14	2101.07	DB3 SERVICOS DE TELECOMUNICACOES S.A, BR
22	39900	28071	0.62%	3	9357.00	GOODTEC, LV
23	263262	27448	0.61%	19	1444.63	MOV TELECOM LTDA, BR
24	213092	27234	0.61%	14	1945.29	MARBLEIS, GB
25	205651	26563	0.59%	1	26563.00	CATOFES, CN
26	12252	25492	0.57%	457	55.78	America Movil Peru S.A.C., PE
27	262448	24506	0.55%	11	2227.82	DIALHOST INTERNET EIRELI, BR
28	62610	24030	0.53%	79	304.18	ZEN-DPS, US
29	48635	23362	0.52%	21	1112.48	CLDIN-NL Your Hosting B.V. part of Your.Online, NL
30	24164	23298	0.52%	12	1941.50	UBBNET-AS-TW UNION BROADBAND NETWORK, TW
31	139341	22560	0.50%	179	126.03	ACE-AS-AP ACE, SG
32	47331	22490	0.50%	1264	17.79	TTNET, TR
33	30058	22388	0.50%	146	153.34	FDCSERVERS, US
34	203664	22101	0.49%	1	22101.00	LANXING-AS, CN
35	38266	21253	0.47%	1384	15.36	VIL-AS-AP Vodafone Idea Ltd, IN
36	10103	20951	0.47%	12	1745.92	HKBN-AS-AP HK Broadband Network Ltd., HK
37	328327	20518	0.46%	6	3419.67	ASAP-AS, ZA
38	149500	19841	0.44%	4	4960.25	SR-AS-AP Shane Renshaw, HK
39	204210	19472	0.43%	4	4868.00	ZEUSPACKAGINGLTD, IE
40	274743	19171	0.43%	7	2738.71	FASTWEB TELECOMUNICACOES, BR
41	136873	18820	0.42%	8	2352.50	MEGADATA-AS-ID MEGADATA-ISP, ID
42	61573	18808	0.42%	13	1446.77	Ip Telecom, BR
43	212691	18597	0.41%	2	9298.50	ARONSTRECKER-AS, DE
44	214450	17843	0.40%	2	8921.50	OGL-AS, DE
45	2018	16969	0.38%	14	1212.07	TENET-1, ZA
46	137409	16429	0.37%	1103	14.89	GSLNETWORKS-AS-AP GSL Networks Pty LTD, AU
47	209898	15615	0.35%	2	7807.50	UNGLEICH-UNGLEICH-UPSTREAM, CH
48	8386	15344	0.34%	20	767.20	KOCNET, TR
49	31673	15248	0.34%	11	1386.18	UNISERVER-AS, NL
50	210564	14895	0.33%	1	14895.00	SWANTZTER-AS, SE
Total		2849667	63.42%

50 Most active ASes for the past 14 days

RANK	ASN	UPDs/Prefix	%	Prefixes	UPDs	AS NAME
1	34600	169289.0	3.77%	1	169289	AS6GNET, PL
2	205651	26563.0	0.59%	1	26563	CATOFES, CN
3	21351	23539.5	1.05%	17	47079	CANALPLUSTELECOM, GP
4	203664	22101.0	0.49%	1	22101	LANXING-AS, CN
5	204210	19472.0	0.43%	4	19472	ZEUSPACKAGINGLTD, IE
6	209898	15615.0	0.35%	2	15615	UNGLEICH-UNGLEICH-UPSTREAM, CH
7	210564	14895.0	0.33%	1	14895	SWANTZTER-AS, SE
8	151650	12707.0	0.28%	1	12707	SWITCHFIBER-AS-AP Switch Fiber, PH
9	39900	9357.0	0.62%	3	28071	GOODTEC, LV
10	212691	9298.5	0.41%	2	18597	ARONSTRECKER-AS, DE
11	30083	9122.0	0.20%	3	9122	AS-30083-US-VELIA-NET, DE
12	214450	8921.5	0.40%	2	17843	OGL-AS, DE
13	211894	8341.0	1.48%	8	66728	UNGLEICH-PLACE18, CH
14	328631	7916.0	0.18%	1	7916	BallitoISP, ZA
15	28458	7305.0	0.33%	2	14610	IENTC S DE RL DE CV, MX
16	271944	6623.0	0.15%	1	6623	AUDIBEL TELECOMUNICACIONES S.A., AR
17	199553	6390.2	0.85%	6	38341	UNGLEICH-PLACE5, CH
18	208948	5658.0	0.13%	3	5658	RECYCLED-CLOUD-AS, CH
19	268487	5641.0	0.13%	5	5641	PRISMA TELECOMUNICACOES LTDA. EPP, BR
20	6535	5491.0	0.24%	8	10982	Telmex Servicios Empresariales S.A., CL
21	149500	4960.2	0.44%	4	19841	SR-AS-AP Shane Renshaw, HK
22	61580	4864.0	0.11%	5	4864	Nucleo de Inf. e Coord. do Ponto BR - NIC., BR
23	28126	4784.9	2.13%	23	95699	BRISANET SERVICOS DE TELECOMUNICACOES S.A, BR
24	20915	4688.0	0.10%	1	4688	HUNDRED-PERCENT-IT, GB
25	265063	4366.0	0.10%	1	4366	NEX INTERNET, BR
26	138535	4327.0	0.29%	3	12981	FURDEVS-AS-AP Wu Qi, CN
27	266911	4242.7	0.28%	3	12728	VicNet Telecom, BR
28	269647	4122.0	0.09%	7	4122	FROHLICH E FERREIRA LTDA ME, BR
29	328327	4103.6	0.46%	6	20518	ASAP-AS, ZA
30	272053	4012.0	0.09%	1	4012	ANTUNES FLORES SERGIO OMAR NUEVA NET, AR
31	198090	3922.0	0.09%	1	3922	ASLIBRA, IT
32	56047	3868.5	0.17%	731	7737	CMNET-HUNAN-AP China Mobile communications corporation, CN
33	21570	3793.0	0.08%	5	3793	ACI-1, CA
34	22690	3715.0	0.08%	1	3715	AxiomNET-AS, RW
35	204508	3518.4	1.10%	17	49258	MLGT, IT
36	151810	3500.5	0.31%	4	14002	PHYLAXISINC-AS-AP Phylaxis Korea, KR
37	211645	3462.0	0.08%	1	3462	SPG, DE
38	396509	3429.1	0.76%	13	34291	LETSCLOUD, US
39	210796	3364.0	0.15%	2	6728	BJOERN-SCHLEYER Bjoern Schleyer, DE
40	199678	3117.0	0.07%	1	3117	AS-6RW-, RU
41	6871	2989.0	0.07%	3	2989	PLUSNET UK Internet Service Provider, GB
42	199235	2853.0	0.06%	1	2853	MIKROHALO-HU-AS, HU
43	53147	2742.5	0.12%	2	5485	FONTES SOLUCOES TECNOLOGICAS LTDA, BR
44	274743	2738.7	0.43%	7	19171	FASTWEB TELECOMUNICACOES, BR
45	40138	2716.7	1.87%	38	84217	MDNET, US
46	150805	2710.0	0.06%	2	2710	A-FIN-KR-AS A-FIN KOREA CORP, KR
47	268644	2694.0	0.06%	1	2694	Eletrochip Informatica e Telecomunicacoes Ltda., BR
48	262901	2625.0	0.12%	2	5250	Vcnet Provedora de Internet Ltda., BR
49	9671	2617.0	0.12%	2	5234	TRADEVAN-AS-AP Trade-Van Informaiton Services Co., TW
50	214160	2563.0	0.06%
Total		501654.5	22.36%

50 Most active Prefixes for the past 14 days

RANK	PREFIX	UPDs	%	Origin AS -- AS NAME
1	2a0f:7c40::/29	169289	3.53%	34600 -- AS6GNET, PL
2	2a02:1391:5100::/40	47075	0.98%	21351 -- CANALPLUSTELECOM, GP
3	2804:248:100::/40	29386	0.61%	28598 -- DB3 SERVICOS DE TELECOMUNICACOES S.A, BR
4	2a0d:2904::/44	26563	0.55%	205651 -- CATOFES, CN
5	2a0e:aa07:e044::/48	22101	0.46%	203664 -- LANXING-AS, CN
6	2a0c:b641:302::/47	19473	0.41%	204210 -- ZEUSPACKAGINGLTD, IE
7	240d:c010:165::/48	18875	0.39%	139341 -- ACE-AS-AP ACE, SG
8	2a0a:e5c0:76::/48	15616	0.33%	209898 -- UNGLEICH-UNGLEICH-UPSTREAM, CH
9	2001:67c:20fc::/48	14896	0.31%	210564 -- SWANTZTER-AS, SE
10	2806:202::/32	14602	0.30%	28458 -- IENTC S DE RL DE CV, MX
11	2406:840:e620::/48	12918	0.27%	138535 -- FURDEVS-AS-AP Wu Qi, CN
12	2401:2260::/32	12707	0.26%	151650 -- SWITCHFIBER-AS-AP Switch Fiber, PH
13	2a05:4140:304::/48	11377	0.24%	204508 -- MLGT, IT
14	2a05:4140:316::/48	11352	0.24%	204508 -- MLGT, IT
15	2a05:4140:380::/42	11309	0.24%	204508 -- MLGT, IT
16	2a05:4140:333::/48	11264	0.23%	204508 -- MLGT, IT
17	2a0a:e5c1:517::/48	9611	0.20%	199553 -- UNGLEICH-PLACE5, CH
18	2a0a:e5c0:16::/48	9584	0.20%	199553 -- UNGLEICH-PLACE5, CH
19	2a0a:e5c0:45::/48	9580	0.20%	199553 -- UNGLEICH-PLACE5, CH
20	2a0a:5480:5::/48	9497	0.20%	211894 -- UNGLEICH-PLACE18, CH
21	2a0a:5480:1ac::/48	9493	0.20%	211894 -- UNGLEICH-PLACE18, CH
22	2a0a:5480:4::/48	9485	0.20%	211894 -- UNGLEICH-PLACE18, CH
23	2a0a:5480:1::/48	9481	0.20%	211894 -- UNGLEICH-PLACE18, CH
24	2a0a:5480::/48	9479	0.20%	211894 -- UNGLEICH-PLACE18, CH
25	2a0a:5480:2::/48	9468	0.20%	211894 -- UNGLEICH-PLACE18, CH
26	2a0a:5480:3::/48	9463	0.20%	211894 -- UNGLEICH-PLACE18, CH
27	2001:678:114::/48	9461	0.20%	212691 -- ARONSTRECKER-AS, DE
28	2a0b:88c0:48::/48	9362	0.20%	39900 -- GOODTEC, LV
29	2a12:b2c0:6::/48	9356	0.20%	39900 -- GOODTEC, LV
30	2a13:6c40::/29	9353	0.20%	39900 -- GOODTEC, LV
31	2a0e:8f02:f05e::/48	9136	0.19%	212691 -- ARONSTRECKER-AS, DE
32	2605:de00:bb::/48	9122	0.19%	30083 -- AS-30083-US-VELIA-NET, DE
33	2a0a:e5c0:42::/48	9018	0.19%	199553 -- UNGLEICH-PLACE5, CH
34	2001:678:658::/48	9016	0.19%	214450 -- OGL-AS, DE
35	2a14:3f87:9800::/38	8850	0.18%	64289 -- MACARNE, US
36	2a0e:b107:19cb::/48	8827	0.18%	214450 -- OGL-AS, DE
37	2a03:90c0:7a0::/44	8284	0.17%	59437 -- NORTHERNDATA, DE
38	2c0f:e8a8::/32	7916	0.17%	328631 -- BallitoISP, ZA
39	2a0a:6040:b40::/48	7560	0.16%	200329 -- HYPERTOAST-AS, US
40	2c0f:c00:3000::/36	7151	0.15%	328327 -- ASAP-AS, ZA
41	2600:6c7f:9370::/44	7141	0.15%	19115 -- CHARTER-19115-DC, US
42	2001:1260:103::/48	7128	0.15%	13591 -- Mexico Red de Telecomunicaciones, S. de R.L. de C.V., MX
43	2c0f:c00:100::/40	6986	0.15%	328327 -- ASAP-AS, ZA
44	2a14:7580:ed58::/46	6906	0.14%	215956 -- MYIP-AS MyIP.be ~ AS215956, BE
45	2a14:7580:ee0b::/48	6826	0.14%	215956 -- MYIP-AS MyIP.be ~ AS215956, BE
46	2800:540:2010::/44	6660	0.14%	27995 -- CLARO CHILE S.A., CL 6535 -- Telmex Servicios Empresariales S.A., CL
47	2803:6610::/32	6623	0.14%	271944 -- AUDIBEL TELECOMUNICACIONES S.A., AR
48	2c0f:c00:200::/40	6379	0.13%	328327 -- ASAP-AS, ZA
49	2602:f520::/36	6306	0.13%	151810 -- PHYLAXISINC-AS-AP Phylaxis Korea, KR
50	2804:b44:a000::/36	6299	0.13%	262448 -- DIALHOST INTERNET EIRELI, BR
Total		733610	15.32%

14 Day BGP Update Statistics Profile: 27-December-2025 00:00 - 10-January-2026 23:59 (UTC+1000)

Number of BGP Update Messages:	16674340
Number of Prefix Changes:	19653661
Number of Prefix Updates:	16674340
Number of Prefix Withdrawals:	2979321
Average Prefixes per BGP Update:	1.18
Average BGP Update Messages per second:	13.79
Average Prefix Updates per second:	16.25
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:	4055	(12:10:34 Sat, 10-Jan-2026, )
Number of RIB Prefix Updates:	4493731	(0.27 of recv'd updates)
Number of RIB Prefix Withdrawals:	302292	(0.10 of recv'd withdrawals)
Peak RIB Update Rate per second:	3363	(15:10:08 Fri, 9-Jan-2026)
Peak RIB Withdrawal Rate per second:	2923	(15:59:44 Fri, 9-Jan-2026)
Seen Prefix Count:	250118
Updated Prefix Count:	120666
Stable Prefix Count:	129452
Seen Origin AS Count:	36007
Updated Origin AS Count:	19363
Stable Origin AS Count:	16644
Seen Unique Path Count:	145516
Updated Path Count:	108006
Stable Path Count:	37510

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