The BGP IPv6 Instability Report

This report is updated daily. The current report
was generated on 8 January 2026 01:15 (UTC+1000)

50 Most active ASes for the past 14 days

RANK	ASN	UPDs	%	Prefixes	UPDs/Prefix	AS NAME
1	7552	624043	11.54%	3977	156.91	VIETEL-AS-AP Viettel Group, VN
2	24158	580840	10.74%	504	1152.46	TAIWANMOBILE-AS Taiwan Mobile Co., Ltd., TW
3	34600	553448	10.24%	1	553448.00	AS6GNET, PL
4	202256	202966	3.75%	770	263.59	LAWLIETNET, CN
5	199340	126646	2.34%	3813	33.21	HONG-GUANWAN, HK
6	207432	114746	2.12%	546	210.16	CORESTREAM, US
7	28126	103541	1.92%	23	4501.78	BRISANET SERVICOS DE TELECOMUNICACOES S.A, BR
8	40138	83291	1.54%	38	2191.87	MDNET, US
9	16509	82969	1.53%	5336	15.55	AMAZON-02, US
10	38841	82505	1.53%	38	2171.18	KBRO-AS-TW kbro CO. Ltd., TW
11	28649	68043	1.26%	77	883.68	Desktop Sigmanet Comunicacao Multimidia SA, BR
12	211894	66941	1.24%	8	8367.62	UNGLEICH-PLACE18, CH
13	39891	64945	1.20%	2058	31.56	ALJAWWALSTC-AS, SA
14	10103	54976	1.02%	12	4581.33	HKBN-AS-AP HK Broadband Network Ltd., HK
15	21351	46625	0.86%	17	2742.65	CANALPLUSTELECOM, GP
16	24164	40697	0.75%	12	3391.42	UBBNET-AS-TW UNION BROADBAND NETWORK, TW
17	263262	37591	0.70%	19	1978.47	MOV TELECOM LTDA, BR
18	199553	37245	0.69%	6	6207.50	UNGLEICH-PLACE5, CH
19	396509	34367	0.64%	13	2643.62	LETSCLOUD, US
20	206672	31873	0.59%	65	490.35	LOGISPIN-AS, AT
21	43350	31220	0.58%	25	1248.80	NFORCE, NL
22	45271	28759	0.53%	1250	23.01	VIL-AS-AP Vodafone Idea Ltd, IN
23	39900	28532	0.53%	3	9510.67	GOODTEC, LV
24	205651	26542	0.49%	1	26542.00	CATOFES, CN
25	28598	25571	0.47%	14	1826.50	DB3 SERVICOS DE TELECOMUNICACOES S.A, BR
26	62610	25557	0.47%	79	323.51	ZEN-DPS, US
27	274743	24466	0.45%	7	3495.14	FASTWEB TELECOMUNICACOES, BR
28	149500	24259	0.45%	4	6064.75	SR-AS-AP Shane Renshaw, HK
29	12252	23880	0.44%	457	52.25	America Movil Peru S.A.C., PE
30	213092	23595	0.44%	14	1685.36	MARBLEIS, GB
31	9924	23281	0.43%	11	2116.45	TFN-TW Taiwan Fixed Network, Telco and Network Service Provider., TW
32	9674	23139	0.43%	38	608.92	FET-TW Far EastTone Telecommunication Co., Ltd., TW
33	48635	22656	0.42%	21	1078.86	CLDIN-NL Your Hosting B.V. part of Your.Online, NL
34	262448	21977	0.41%	11	1997.91	DIALHOST INTERNET EIRELI, BR
35	30058	21794	0.40%	145	150.30	FDCSERVERS, US
36	203664	21711	0.40%	1	21711.00	LANXING-AS, CN
37	139341	21087	0.39%	179	117.80	ACE-AS-AP ACE, SG
38	38266	20023	0.37%	1381	14.50	VIL-AS-AP Vodafone Idea Ltd, IN
39	204210	19924	0.37%	4	4981.00	ZEUSPACKAGINGLTD, IE
40	61573	18212	0.34%	13	1400.92	Ip Telecom, BR
41	214450	18141	0.34%	2	9070.50	OGL-AS, DE
42	2018	16920	0.31%	14	1208.57	TENET-1, ZA
43	209898	16618	0.31%	2	8309.00	UNGLEICH-UNGLEICH-UPSTREAM, CH
44	24173	16077	0.30%	262	61.36	NETNAM-AS-AP Netnam Company, VN
45	328327	15243	0.28%	6	2540.50	ASAP-AS, ZA
46	212691	15105	0.28%	2	7552.50	ARONSTRECKER-AS, DE
47	28458	15033	0.28%	2	7516.50	IENTC S DE RL DE CV, MX
48	8386	14938	0.28%	20	746.90	KOCNET, TR
49	31673	14891	0.28%	11	1353.73	UNISERVER-AS, NL
50	266911	14869	0.28%	3	4956.33	VicNet Telecom, BR
Total		3672318	67.95%

50 Most active ASes for the past 14 days

RANK	ASN	UPDs/Prefix	%	Prefixes	UPDs	AS NAME
1	34600	553448.0	10.24%	1	553448	AS6GNET, PL
2	205651	26542.0	0.49%	1	26542	CATOFES, CN
3	21351	23312.5	0.86%	17	46625	CANALPLUSTELECOM, GP
4	203664	21711.0	0.40%	1	21711	LANXING-AS, CN
5	204210	19924.0	0.37%	4	19924	ZEUSPACKAGINGLTD, IE
6	209898	16618.0	0.31%	2	16618	UNGLEICH-UNGLEICH-UPSTREAM, CH
7	210564	14753.0	0.27%	1	14753	SWANTZTER-AS, SE
8	151650	13256.0	0.25%	1	13256	SWITCHFIBER-AS-AP Switch Fiber, PH
9	10103	10995.2	1.02%	12	54976	HKBN-AS-AP HK Broadband Network Ltd., HK
10	30083	10037.0	0.19%	3	10037	AS-30083-US-VELIA-NET, DE
11	328631	9839.0	0.18%	1	9839	BallitoISP, ZA
12	39900	9510.7	0.53%	3	28532	GOODTEC, LV
13	214450	9070.5	0.34%	2	18141	OGL-AS, DE
14	211894	8367.6	1.24%	8	66941	UNGLEICH-PLACE18, CH
15	268487	7656.0	0.14%	5	7656	PRISMA TELECOMUNICACOES LTDA. EPP, BR
16	212691	7552.5	0.28%	2	15105	ARONSTRECKER-AS, DE
17	28458	7516.5	0.28%	2	15033	IENTC S DE RL DE CV, MX
18	6871	7268.0	0.13%	3	7268	PLUSNET UK Internet Service Provider, GB
19	271944	6771.0	0.13%	1	6771	AUDIBEL TELECOMUNICACIONES S.A., AR
20	199553	6207.5	0.69%	6	37245	UNGLEICH-PLACE5, CH
21	149500	6064.8	0.45%	4	24259	SR-AS-AP Shane Renshaw, HK
22	264525	5910.5	0.22%	5	11821	Coelho Tecnologia, BR
23	53147	5532.0	0.10%	2	5532	FONTES SOLUCOES TECNOLOGICAS LTDA, BR
24	6535	5515.0	0.20%	8	11030	Telmex Servicios Empresariales S.A., CL
25	208948	5502.0	0.10%	3	5502	RECYCLED-CLOUD-AS, CH
26	262448	5494.2	0.41%	11	21977	DIALHOST INTERNET EIRELI, BR
27	61580	5279.0	0.10%	5	5279	Nucleo de Inf. e Coord. do Ponto BR - NIC., BR
28	28126	5177.1	1.92%	23	103541	BRISANET SERVICOS DE TELECOMUNICACOES S.A, BR
29	265063	5154.0	0.10%	1	5154	NEX INTERNET, BR
30	266911	4956.3	0.28%	3	14869	VicNet Telecom, BR
31	269647	4884.0	0.09%	7	4884	FROHLICH E FERREIRA LTDA ME, BR
32	20915	4771.0	0.09%	1	4771	HUNDRED-PERCENT-IT, GB
33	9671	4670.5	0.17%	2	9341	TRADEVAN-AS-AP Trade-Van Informaiton Services Co., TW
34	131143	4369.0	0.08%	1	4369	CHINATRUST-AS-TW Chinatrust Commercial Bank, TW
35	138535	4368.7	0.24%	3	13106	FURDEVS-AS-AP Wu Qi, CN
36	17420	4204.0	0.08%	1	4204	ACEREDC-TW Acer e-Enabling Data Center, Inc., TW
37	18429	3936.3	0.22%	3	11809	EXTRALAN-TW Extra-Lan Technologies Co., LTD, TW
38	198090	3924.0	0.07%	1	3924	ASLIBRA, IT
39	8987	3907.5	0.14%	98	7815	AWS-GOVCLOUD AWS-GOVCLOUD, IE
40	24165	3830.0	0.21%	3	11490	UBBNET-AS-TW UNION BROADBAND NETWORK, TW
41	21570	3760.0	0.07%	5	3760	ACI-1, CA
42	22690	3716.0	0.07%	1	3716	AxiomNET-AS, RW
43	24164	3699.7	0.75%	12	40697	UBBNET-AS-TW UNION BROADBAND NETWORK, TW
44	134094	3608.0	0.27%	6	14432	SERVERFIELD-AS Serverfield Co., Ltd., TW
45	199678	3590.0	0.07%	1	3590	AS-6RW-, RU
46	268644	3524.0	0.07%	1	3524	Eletrochip Informatica e Telecomunicacoes Ltda., BR
47	274743	3495.1	0.45%	7	24466	FASTWEB TELECOMUNICACOES, BR
48	396509	3436.7	0.64%	13	34367	LETSCLOUD, US
49	211645	3410.0	0.06%	1	3410	SPG, DE
50	147039	3375.0	0.06%
Total		923420.4	26.12%

50 Most active Prefixes for the past 14 days

RANK	PREFIX	UPDs	%	Origin AS -- AS NAME
1	2a0f:7c40::/29	553448	9.78%	34600 -- AS6GNET, PL
2	2a02:1391:5100::/40	46621	0.82%	21351 -- CANALPLUSTELECOM, GP
3	2a0d:2904::/44	26542	0.47%	205651 -- CATOFES, CN
4	2804:248:100::/40	25537	0.45%	28598 -- DB3 SERVICOS DE TELECOMUNICACOES S.A, BR
5	2a0e:aa07:e044::/48	21711	0.38%	203664 -- LANXING-AS, CN
6	2a0c:b641:302::/47	19924	0.35%	204210 -- ZEUSPACKAGINGLTD, IE
7	240d:c010:165::/48	18351	0.32%	139341 -- ACE-AS-AP ACE, SG
8	2a0a:e5c0:76::/48	16618	0.29%	209898 -- UNGLEICH-UNGLEICH-UPSTREAM, CH
9	2806:202::/32	14985	0.26%	28458 -- IENTC S DE RL DE CV, MX
10	2001:67c:20fc::/48	14754	0.26%	210564 -- SWANTZTER-AS, SE
11	2401:2260::/32	13256	0.23%	151650 -- SWITCHFIBER-AS-AP Switch Fiber, PH
12	2406:840:e620::/48	13050	0.23%	138535 -- FURDEVS-AS-AP Wu Qi, CN
13	2804:20fc:2000::/36	11818	0.21%	264525 -- Coelho Tecnologia, BR
14	2a14:3f87:9800::/38	11689	0.21%	64289 -- MACARNE, US
15	2607:74c0:100::/44	11166	0.20%	10103 -- HKBN-AS-AP HK Broadband Network Ltd., HK
16	2607:74c0:140::/44	11139	0.20%	10103 -- HKBN-AS-AP HK Broadband Network Ltd., HK
17	2607:74c0:120::/44	11085	0.20%	10103 -- HKBN-AS-AP HK Broadband Network Ltd., HK
18	2607:74c0:110::/44	10917	0.19%	10103 -- HKBN-AS-AP HK Broadband Network Ltd., HK
19	2607:74c0:130::/44	10669	0.19%	10103 -- HKBN-AS-AP HK Broadband Network Ltd., HK
20	2605:de00:bb::/48	10037	0.18%	30083 -- AS-30083-US-VELIA-NET, DE
21	2c0f:e8a8::/32	9839	0.17%	328631 -- BallitoISP, ZA
22	2a0a:e5c1:517::/48	9572	0.17%	199553 -- UNGLEICH-PLACE5, CH
23	2a0a:e5c0:16::/48	9542	0.17%	199553 -- UNGLEICH-PLACE5, CH
24	2a0a:e5c0:45::/48	9540	0.17%	199553 -- UNGLEICH-PLACE5, CH
25	2a0b:88c0:48::/48	9521	0.17%	39900 -- GOODTEC, LV
26	2a13:6c40::/29	9513	0.17%	39900 -- GOODTEC, LV
27	2a12:b2c0:6::/48	9498	0.17%	39900 -- GOODTEC, LV
28	2a0a:5480:5::/48	9461	0.17%	211894 -- UNGLEICH-PLACE18, CH
29	2a0a:5480:1ac::/48	9459	0.17%	211894 -- UNGLEICH-PLACE18, CH
30	2a0a:5480:4::/48	9455	0.17%	211894 -- UNGLEICH-PLACE18, CH
31	2a0a:5480:1::/48	9450	0.17%	211894 -- UNGLEICH-PLACE18, CH
32	2a0a:5480::/48	9450	0.17%	211894 -- UNGLEICH-PLACE18, CH
33	2a0a:5480:2::/48	9434	0.17%	211894 -- UNGLEICH-PLACE18, CH
34	2a0a:5480:3::/48	9433	0.17%	211894 -- UNGLEICH-PLACE18, CH
35	2a03:90c0:7a0::/44	9365	0.17%	59437 -- NORTHERNDATA, DE
36	2001:678:658::/48	9105	0.16%	214450 -- OGL-AS, DE
37	2a0e:b107:19cb::/48	9036	0.16%	214450 -- OGL-AS, DE
38	2600:6c7f:9370::/44	8209	0.15%	19115 -- CHARTER-19115-DC, US
39	2a0a:e5c0:42::/48	8125	0.14%	199553 -- UNGLEICH-PLACE5, CH
40	2a13:aac4:1000::/36	7920	0.14%	204508 -- MLGT, IT
41	2001:678:114::/48	7809	0.14%	212691 -- ARONSTRECKER-AS, DE
42	2804:51f8::/32	7656	0.14%	268487 -- PRISMA TELECOMUNICACOES LTDA. EPP, BR
43	2a0e:8f02:f05e::/48	7296	0.13%	212691 -- ARONSTRECKER-AS, DE
44	2a02:16c8::/35	7268	0.13%	6871 -- PLUSNET UK Internet Service Provider, GB
45	2400:58a0:1003::/48	7129	0.13%	149500 -- SR-AS-AP Shane Renshaw, HK
46	2001:1260:103::/48	6963	0.12%	13591 -- Mexico Red de Telecomunicaciones, S. de R.L. de C.V., MX
47	2a0f:1cc5:110::/44	6919	0.12%	203309 -- CHOCO-AS, CN
48	2a14:7580:ed58::/46	6867	0.12%	215956 -- MYIP-AS MyIP.be ~ AS215956, BE
49	2a14:7580:ee0b::/48	6803	0.12%	215956 -- MYIP-AS MyIP.be ~ AS215956, BE
50	2803:6610::/32	6771	0.12%	271944 -- AUDIBEL TELECOMUNICACIONES S.A., AR
Total		1129725	19.99%

14 Day BGP Update Statistics Profile: 24-December-2025 00:00 - 7-January-2026 23:59 (UTC+1000)

Number of BGP Update Messages:	18141278
Number of Prefix Changes:	21081781
Number of Prefix Updates:	18141278
Number of Prefix Withdrawals:	2940503
Average Prefixes per BGP Update:	1.16
Average BGP Update Messages per second:	15.00
Average Prefix Updates per second:	17.43
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:	844	(08:41:44 Mon, 29-Dec-2025, )
Number of RIB Prefix Updates:	5405876	(0.30 of recv'd updates)
Number of RIB Prefix Withdrawals:	252831	(0.09 of recv'd withdrawals)
Peak RIB Update Rate per second:	3324	(03:10:41 Sat, 27-Dec-2025)
Peak RIB Withdrawal Rate per second:	560	(06:13:23 Sat, 27-Dec-2025)
Seen Prefix Count:	248761
Updated Prefix Count:	112164
Stable Prefix Count:	136597
Seen Origin AS Count:	35955
Updated Origin AS Count:	18196
Stable Origin AS Count:	17759
Seen Unique Path Count:	137921
Updated Path Count:	99397
Stable Path Count:	38524

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