The BGP IPv6 Instability Report

This report is updated daily. The current report
was generated on 14 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	535409	13.27%	3977	134.63	VIETEL-AS-AP Viettel Group, VN
2	39891	231795	5.75%	2058	112.63	ALJAWWALSTC-AS, SA
3	202256	127704	3.17%	770	165.85	LAWLIETNET, CN
4	199340	113681	2.82%	3790	29.99	HONG-GUANWAN, HK
5	18403	106425	2.64%	3324	32.02	FPT-AS-AP FPT Telecom Company, VN
6	28126	95984	2.38%	23	4173.22	BRISANET SERVICOS DE TELECOMUNICACOES S.A, BR
7	16509	91198	2.26%	5385	16.94	AMAZON-02, US
8	40138	85643	2.12%	38	2253.76	MDNET, US
9	211894	67206	1.67%	8	8400.75	UNGLEICH-PLACE18, CH
10	28649	66114	1.64%	77	858.62	Desktop Sigmanet Comunicacao Multimidia SA, BR
11	10103	59244	1.47%	12	4937.00	HKBN-AS-AP HK Broadband Network Ltd., HK
12	204508	53025	1.31%	17	3119.12	MLGT, IT
13	21351	47631	1.18%	17	2801.82	CANALPLUSTELECOM, GP
14	199553	38793	0.96%	6	6465.50	UNGLEICH-PLACE5, CH
15	396509	34598	0.86%	13	2661.38	LETSCLOUD, US
16	28598	33122	0.82%	14	2365.86	DB3 SERVICOS DE TELECOMUNICACOES S.A, BR
17	43350	30721	0.76%	24	1280.04	NFORCE, NL
18	206672	29296	0.73%	65	450.71	LOGISPIN-AS, AT
19	213092	28705	0.71%	14	2050.36	MARBLEIS, GB
20	38841	27818	0.69%	38	732.05	KBRO-AS-TW kbro CO. Ltd., TW
21	263262	27774	0.69%	19	1461.79	MOV TELECOM LTDA, BR
22	38266	27465	0.68%	1384	19.84	VIL-AS-AP Vodafone Idea Ltd, IN
23	205651	26796	0.66%	1	26796.00	CATOFES, CN
24	328327	24863	0.62%	6	4143.83	ASAP-AS, ZA
25	136873	24545	0.61%	8	3068.12	MEGADATA-AS-ID MEGADATA-ISP, ID
26	262448	23756	0.59%	11	2159.64	DIALHOST INTERNET EIRELI, BR
27	39900	23643	0.59%	3	7881.00	GOODTEC, LV
28	47331	22963	0.57%	1272	18.05	TTNET, TR
29	48635	22866	0.57%	21	1088.86	CLDIN-NL Your Hosting B.V. part of Your.Online, NL
30	62610	22177	0.55%	79	280.72	ZEN-DPS, US
31	139341	21964	0.54%	179	122.70	ACE-AS-AP ACE, SG
32	212691	21591	0.54%	2	10795.50	ARONSTRECKER-AS, DE
33	30058	21541	0.53%	146	147.54	FDCSERVERS, US
34	204210	19314	0.48%	4	4828.50	ZEUSPACKAGINGLTD, IE
35	61573	18531	0.46%	13	1425.46	Ip Telecom, BR
36	137409	18182	0.45%	1103	16.48	GSLNETWORKS-AS-AP GSL Networks Pty LTD, AU
37	271466	18138	0.45%	10	1813.80	UC Telecom Ltda, BR
38	214450	17557	0.44%	2	8778.50	OGL-AS, DE
39	203664	17241	0.43%	1	17241.00	LANXING-AS, CN
40	8386	16250	0.40%	20	812.50	KOCNET, TR
41	149500	16089	0.40%	4	4022.25	SR-AS-AP Shane Renshaw, HK
42	265500	15771	0.39%	8	1971.38	ALMEIRIM TELECOM LTDA - ME, BR
43	2018	15745	0.39%	14	1124.64	TENET-1, ZA
44	210564	14945	0.37%	1	14945.00	SWANTZTER-AS, SE
45	31673	14768	0.37%	11	1342.55	UNISERVER-AS, NL
46	56047	14593	0.36%	731	19.96	CMNET-HUNAN-AP China Mobile communications corporation, CN
47	215956	14463	0.36%	35	413.23	MYIP-AS MyIP.be ~ AS215956, BE
48	274743	14164	0.35%	7	2023.43	FASTWEB TELECOMUNICACOES, BR
49	24164	13530	0.34%	12	1127.50	UBBNET-AS-TW UNION BROADBAND NETWORK, TW
50	151810	13379	0.33%	4	3344.75	PHYLAXISINC-AS-AP Phylaxis Korea, KR
Total		2488716	61.72%

50 Most active ASes for the past 14 days

RANK	ASN	UPDs/Prefix	%	Prefixes	UPDs	AS NAME
1	205651	26796.0	0.66%	1	26796	CATOFES, CN
2	204210	19314.0	0.48%	4	19314	ZEUSPACKAGINGLTD, IE
3	203664	17241.0	0.43%	1	17241	LANXING-AS, CN
4	210564	14945.0	0.37%	1	14945	SWANTZTER-AS, SE
5	30083	11188.0	0.28%	3	11188	AS-30083-US-VELIA-NET, DE
6	212691	10795.5	0.54%	2	21591	ARONSTRECKER-AS, DE
7	272053	10319.0	0.26%	1	10319	ANTUNES FLORES SERGIO OMAR NUEVA NET, AR
8	151650	9985.0	0.25%	1	9985	SWITCHFIBER-AS-AP Switch Fiber, PH
9	214450	8778.5	0.44%	2	17557	OGL-AS, DE
10	211894	8400.8	1.67%	8	67206	UNGLEICH-PLACE18, CH
11	39900	7881.0	0.59%	3	23643	GOODTEC, LV
12	56047	7296.5	0.36%	731	14593	CMNET-HUNAN-AP China Mobile communications corporation, CN
13	271944	6709.0	0.17%	1	6709	AUDIBEL TELECOMUNICACIONES S.A., AR
14	199553	6465.5	0.96%	6	38793	UNGLEICH-PLACE5, CH
15	209898	6345.0	0.31%	2	12690	UNGLEICH-UNGLEICH-UPSTREAM, CH
16	22690	6201.0	0.15%	1	6201	AxiomNET-AS, RW
17	199678	6078.0	0.15%	1	6078	AS-6RW-, RU
18	213527	5917.0	0.15%	5	5917	IT-ADJUTOR IT-adjutor, DE
19	208948	5823.0	0.14%	3	5823	RECYCLED-CLOUD-AS, CH
20	328631	5656.0	0.14%	1	5656	BallitoISP, ZA
21	28458	5586.0	0.28%	2	11172	IENTC S DE RL DE CV, MX
22	328327	4972.6	0.62%	6	24863	ASAP-AS, ZA
23	10103	4937.0	1.47%	12	59244	HKBN-AS-AP HK Broadband Network Ltd., HK
24	61580	4902.0	0.12%	5	4902	Nucleo de Inf. e Coord. do Ponto BR - NIC., BR
25	20915	4811.0	0.12%	1	4811	HUNDRED-PERCENT-IT, GB
26	28126	4799.2	2.38%	23	95984	BRISANET SERVICOS DE TELECOMUNICACOES S.A, BR
27	21351	4763.1	1.18%	17	47631	CANALPLUSTELECOM, GP
28	6535	4725.5	0.23%	8	9451	Telmex Servicios Empresariales S.A., CL
29	138535	4345.0	0.32%	3	13035	FURDEVS-AS-AP Wu Qi, CN
30	268487	4200.0	0.10%	5	4200	PRISMA TELECOMUNICACOES LTDA. EPP, BR
31	149500	4022.2	0.40%	4	16089	SR-AS-AP Shane Renshaw, HK
32	198090	3922.0	0.10%	1	3922	ASLIBRA, IT
33	21570	3891.0	0.10%	5	3891	ACI-1, CA
34	204508	3787.5	1.31%	17	53025	MLGT, IT
35	396509	3459.8	0.86%	13	34598	LETSCLOUD, US
36	211645	3455.0	0.09%	1	3455	SPG, DE
37	151810	3344.8	0.33%	4	13379	PHYLAXISINC-AS-AP Phylaxis Korea, KR
38	265063	3293.0	0.08%	1	3293	NEX INTERNET, BR
39	210796	3202.5	0.16%	2	6405	BJOERN-SCHLEYER Bjoern Schleyer, DE
40	266911	3133.7	0.23%	3	9401	VicNet Telecom, BR
41	6871	3090.0	0.08%	3	3090	PLUSNET UK Internet Service Provider, GB
42	136873	3068.1	0.61%	8	24545	MEGADATA-AS-ID MEGADATA-ISP, ID
43	269647	3067.0	0.08%	7	3067	FROHLICH E FERREIRA LTDA ME, BR
44	199235	2926.0	0.07%	1	2926	MIKROHALO-HU-AS, HU
45	262901	2781.0	0.14%	2	5562	Vcnet Provedora de Internet Ltda., BR
46	53147	2772.5	0.14%	2	5545	FONTES SOLUCOES TECNOLOGICAS LTDA, BR
47	214160	2600.0	0.06%	2	2600	SHREE, GB
48	264525	2564.5	0.13%	5	5129	Coelho Tecnologia, BR
49	40138	2518.9	2.12%	38	85643	MDNET, US
50	28598	2365.9	0.82%
Total		313441.6	23.23%

50 Most active Prefixes for the past 14 days

RANK	PREFIX	UPDs	%	Origin AS -- AS NAME
1	2a02:1391:5100::/40	47619	1.10%	21351 -- CANALPLUSTELECOM, GP
2	2804:248:100::/40	33093	0.76%	28598 -- DB3 SERVICOS DE TELECOMUNICACOES S.A, BR
3	2a0d:2904::/44	26796	0.62%	205651 -- CATOFES, CN
4	2a0c:b641:302::/47	19315	0.45%	204210 -- ZEUSPACKAGINGLTD, IE
5	240d:c010:165::/48	18030	0.42%	139341 -- ACE-AS-AP ACE, SG
6	2a0e:aa07:e044::/48	17241	0.40%	203664 -- LANXING-AS, CN
7	2001:67c:20fc::/48	14945	0.34%	210564 -- SWANTZTER-AS, SE
8	2406:840:e620::/48	12971	0.30%	138535 -- FURDEVS-AS-AP Wu Qi, CN
9	2a0a:e5c0:76::/48	12689	0.29%	209898 -- UNGLEICH-UNGLEICH-UPSTREAM, CH
10	2607:74c0:100::/44	12088	0.28%	10103 -- HKBN-AS-AP HK Broadband Network Ltd., HK
11	2607:74c0:140::/44	12009	0.28%	10103 -- HKBN-AS-AP HK Broadband Network Ltd., HK
12	2607:74c0:120::/44	11911	0.27%	10103 -- HKBN-AS-AP HK Broadband Network Ltd., HK
13	2607:74c0:110::/44	11725	0.27%	10103 -- HKBN-AS-AP HK Broadband Network Ltd., HK
14	2607:74c0:130::/44	11476	0.26%	10103 -- HKBN-AS-AP HK Broadband Network Ltd., HK
15	2a05:4140:304::/48	11391	0.26%	204508 -- MLGT, IT
16	2a05:4140:380::/42	11342	0.26%	204508 -- MLGT, IT
17	2a05:4140:333::/48	11308	0.26%	204508 -- MLGT, IT
18	2a05:4140:316::/48	11298	0.26%	204508 -- MLGT, IT
19	2605:de00:bb::/48	11188	0.26%	30083 -- AS-30083-US-VELIA-NET, DE
20	2806:202::/32	11169	0.26%	28458 -- IENTC S DE RL DE CV, MX
21	2001:678:114::/48	11030	0.25%	212691 -- ARONSTRECKER-AS, DE
22	2a0e:8f02:f05e::/48	10561	0.24%	212691 -- ARONSTRECKER-AS, DE
23	2803:5d10::/32	10319	0.24%	272053 -- ANTUNES FLORES SERGIO OMAR NUEVA NET, AR
24	2401:2260::/32	9985	0.23%	151650 -- SWITCHFIBER-AS-AP Switch Fiber, PH
25	2a0a:e5c1:517::/48	9660	0.22%	199553 -- UNGLEICH-PLACE5, CH
26	2a0a:e5c0:45::/48	9643	0.22%	199553 -- UNGLEICH-PLACE5, CH
27	2a0a:e5c0:16::/48	9639	0.22%	199553 -- UNGLEICH-PLACE5, CH
28	2a0a:5480:5::/48	9564	0.22%	211894 -- UNGLEICH-PLACE18, CH
29	2a0a:5480:1ac::/48	9558	0.22%	211894 -- UNGLEICH-PLACE18, CH
30	2a0a:5480:4::/48	9543	0.22%	211894 -- UNGLEICH-PLACE18, CH
31	2a0a:5480:1::/48	9543	0.22%	211894 -- UNGLEICH-PLACE18, CH
32	2a0a:5480::/48	9537	0.22%	211894 -- UNGLEICH-PLACE18, CH
33	2a0a:5480:2::/48	9526	0.22%	211894 -- UNGLEICH-PLACE18, CH
34	2a0a:5480:3::/48	9525	0.22%	211894 -- UNGLEICH-PLACE18, CH
35	2a0a:e5c0:42::/48	9179	0.21%	199553 -- UNGLEICH-PLACE5, CH
36	2001:678:658::/48	8901	0.21%	214450 -- OGL-AS, DE
37	2a0e:b107:19cb::/48	8656	0.20%	214450 -- OGL-AS, DE
38	2c0f:c00:3000::/36	8641	0.20%	328327 -- ASAP-AS, ZA
39	2c0f:c00:100::/40	8415	0.19%	328327 -- ASAP-AS, ZA
40	2a0b:88c0:48::/48	7888	0.18%	39900 -- GOODTEC, LV
41	2a13:6c40::/29	7878	0.18%	39900 -- GOODTEC, LV
42	2a12:b2c0:6::/48	7877	0.18%	39900 -- GOODTEC, LV
43	2c0f:c00:200::/40	7805	0.18%	328327 -- ASAP-AS, ZA
44	2a13:aac4:1000::/36	7666	0.18%	204508 -- MLGT, IT
45	2409:8750:ffd3::/48	7649	0.18%	56047 -- CMNET-HUNAN-AP China Mobile communications corporation, CN
46	2600:6c7f:9370::/44	7300	0.17%	19115 -- CHARTER-19115-DC, US
47	2605:9cc0:c06::/48	7193	0.17%	16509 -- AMAZON-02, US 21664 -- AMZN-BYOASN, US
48	2a0a:6040:b40::/48	7190	0.17%	200329 -- HYPERTOAST-AS, US
49	2a14:7580:ed58::/46	7021	0.16%	215956 -- MYIP-AS MyIP.be ~ AS215956, BE
50	2a14:7580:ee0b::/48	6950	0.16%	215956 -- MYIP-AS MyIP.be ~ AS215956, BE
Total		593446	13.68%

14 Day BGP Update Statistics Profile: 30-December-2025 00:00 - 13-January-2026 23:59 (UTC+1000)

Number of BGP Update Messages:	16287889
Number of Prefix Changes:	19243151
Number of Prefix Updates:	16287889
Number of Prefix Withdrawals:	2955262
Average Prefixes per BGP Update:	1.18
Average BGP Update Messages per second:	13.47
Average Prefix Updates per second:	15.91
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:	4034190	(0.25 of recv'd updates)
Number of RIB Prefix Withdrawals:	301371	(0.10 of recv'd withdrawals)
Peak RIB Update Rate per second:	3362	(15:10:08 Fri, 9-Jan-2026)
Peak RIB Withdrawal Rate per second:	2963	(15:59:44 Fri, 9-Jan-2026)
Seen Prefix Count:	250286
Updated Prefix Count:	124633
Stable Prefix Count:	125653
Seen Origin AS Count:	36016
Updated Origin AS Count:	19758
Stable Origin AS Count:	16258
Seen Unique Path Count:	148252
Updated Path Count:	110944
Stable Path Count:	37308

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