The BGP IPv6 Instability Report

This report is updated daily. The current report
was generated on 25 December 2025 01:17 (UTC+1000)

50 Most active ASes for the past 14 days

RANK	ASN	UPDs	%	Prefixes	UPDs/Prefix	AS NAME
1	24158	2250156	35.52%	504	4464.60	TAIWANMOBILE-AS Taiwan Mobile Co., Ltd., TW
2	7552	277127	4.37%	3977	69.68	VIETEL-AS-AP Viettel Group, VN
3	202256	208504	3.29%	777	268.34	LAWLIETNET, CN
4	34600	183276	2.89%	1	183276.00	AS6GNET, PL
5	38841	111423	1.76%	38	2932.18	KBRO-AS-TW kbro CO. Ltd., TW
6	199340	104162	1.64%	2757	37.78	HONG-GUANWAN, HK
7	16509	102288	1.61%	5466	18.71	AMAZON-02, US
8	28126	93633	1.48%	26	3601.27	BRISANET SERVICOS DE TELECOMUNICACOES S.A, BR
9	40138	84734	1.34%	38	2229.84	MDNET, US
10	28649	79067	1.25%	77	1026.84	Desktop Sigmanet Comunicacao Multimidia SA, BR
11	8386	77566	1.22%	20	3878.30	KOCNET, TR
12	211894	68049	1.07%	8	8506.12	UNGLEICH-PLACE18, CH
13	216193	53494	0.84%	1	53494.00	AS-HYPERION-CLOUD HYPERION CLOUD SAS, FR
14	204508	52758	0.83%	18	2931.00	MLGT, IT
15	24164	44825	0.71%	12	3735.42	UBBNET-AS-TW UNION BROADBAND NETWORK, TW
16	21351	44814	0.71%	17	2636.12	CANALPLUSTELECOM, GP
17	216141	42256	0.67%	1	42256.00	LEATYON-AS, IT
18	12041	35980	0.57%	228	157.81	AS-AFILIAS1, US
19	28458	35512	0.56%	2	17756.00	IENTC S DE RL DE CV, MX
20	38266	30204	0.48%	1389	21.75	VIL-AS-AP Vodafone Idea Ltd, IN
21	199553	28304	0.45%	6	4717.33	UNGLEICH-PLACE5, CH
22	205651	27488	0.43%	1	27488.00	CATOFES, CN
23	28598	27265	0.43%	14	1947.50	DB3 SERVICOS DE TELECOMUNICACOES S.A, BR
24	9924	24952	0.39%	11	2268.36	TFN-TW Taiwan Fixed Network, Telco and Network Service Provider., TW
25	213092	22638	0.36%	11	2058.00	MARBLEIS, GB
26	139341	22338	0.35%	176	126.92	ACE-AS-AP ACE, SG
27	262448	21455	0.34%	20	1072.75	DIALHOST INTERNET EIRELI, BR
28	5416	20762	0.33%	1042	19.93	Internet Service Provider, BH
29	10103	20367	0.32%	12	1697.25	HKBN-AS-AP HK Broadband Network Ltd., HK
30	203664	20124	0.32%	1	20124.00	LANXING-AS, CN
31	39891	18676	0.29%	2058	9.07	ALJAWWALSTC-AS, SA
32	204210	18162	0.29%	4	4540.50	ZEUSPACKAGINGLTD, IE
33	214450	17785	0.28%	2	8892.50	OGL-AS, DE
34	9674	17256	0.27%	38	454.11	FET-TW Far EastTone Telecommunication Co., Ltd., TW
35	45271	16812	0.27%	1250	13.45	VIL-AS-AP Vodafone Idea Ltd, IN
36	209898	16483	0.26%	2	8241.50	UNGLEICH-UNGLEICH-UPSTREAM, CH
37	58821	16473	0.26%	4	4118.25	IDNIC-LJN-AS-ID PT Lintas Jaringan Nusantara, ID
38	214732	15911	0.25%	3	5303.67	RATATOSKR RATATOSKR, US
39	264525	15582	0.25%	5	3116.40	Coelho Tecnologia, BR
40	28640	15252	0.24%	15	1016.80	VIPWay Telecomunicacoes Ltda, BR
41	36183	14359	0.23%	1644	8.73	AKAMAI-AS, US
42	21664	14269	0.23%	39	365.87	AMZN-BYOASN, US
43	210564	14226	0.22%	1	14226.00	SWANTZTER-AS, SE
44	400006	14200	0.22%	1	14200.00	DIGITAL-MONKS-01, US
45	205157	13692	0.22%	5	2738.40	CIDNOC, US
46	17072	13242	0.21%	1413	9.37	TOTAL PLAY TELECOMUNICACIONES SA DE CV, MX
47	18429	13083	0.21%	3	4361.00	EXTRALAN-TW Extra-Lan Technologies Co., LTD, TW
48	24165	12941	0.20%	3	4313.67	UBBNET-AS-TW UNION BROADBAND NETWORK, TW
49	20473	12398	0.20%	253	49.00	AS-VULTR, US
50	43766	12284	0.19%	777	15.81	MTC-KSA-AS, SA
Total		4518607	71.32%

50 Most active ASes for the past 14 days

RANK	ASN	UPDs/Prefix	%	Prefixes	UPDs	AS NAME
1	34600	183276.0	2.89%	1	183276	AS6GNET, PL
2	216193	53494.0	0.84%	1	53494	AS-HYPERION-CLOUD HYPERION CLOUD SAS, FR
3	216141	42256.0	0.67%	1	42256	LEATYON-AS, IT
4	205651	27488.0	0.43%	1	27488	CATOFES, CN
5	203664	20124.0	0.32%	1	20124	LANXING-AS, CN
6	28458	17756.0	0.56%	2	35512	IENTC S DE RL DE CV, MX
7	210564	14226.0	0.22%	1	14226	SWANTZTER-AS, SE
8	400006	14200.0	0.22%	1	14200	DIGITAL-MONKS-01, US
9	272053	10480.0	0.17%	1	10480	ANTUNES FLORES SERGIO OMAR NUEVA NET, AR
10	52191	9829.0	0.16%	1	9829	LOCALKA-NET-AS , UA
11	214450	8892.5	0.28%	2	17785	OGL-AS, DE
12	211894	8506.1	1.07%	8	68049	UNGLEICH-PLACE18, CH
13	209898	8241.5	0.26%	2	16483	UNGLEICH-UNGLEICH-UPSTREAM, CH
14	328631	8236.0	0.13%	1	8236	BallitoISP, ZA
15	271944	6916.0	0.11%	1	6916	AUDIBEL TELECOMUNICACIONES S.A., AR
16	44297	6580.0	0.10%	1	6580	ICODIA ICODIA NETWORK INTEGRITY, FR
17	204210	6054.0	0.29%	4	18162	ZEUSPACKAGINGLTD, IE
18	151650	6019.0	0.10%	1	6019	SWITCHFIBER-AS-AP Switch Fiber, PH
19	199678	5921.0	0.09%	1	5921	AS-6RW-, RU
20	6535	5525.0	0.17%	8	11050	Telmex Servicios Empresariales S.A., CL
21	214732	5303.7	0.25%	3	15911	RATATOSKR RATATOSKR, US
22	17420	4916.0	0.08%	1	4916	ACEREDC-TW Acer e-Enabling Data Center, Inc., TW
23	131143	4829.0	0.08%	1	4829	CHINATRUST-AS-TW Chinatrust Commercial Bank, TW
24	30083	4776.0	0.08%	3	4776	AS-30083-US-VELIA-NET, DE
25	24158	4757.2	35.52%	504	2250156	TAIWANMOBILE-AS Taiwan Mobile Co., Ltd., TW
26	20915	4748.0	0.07%	1	4748	HUNDRED-PERCENT-IT, GB
27	199553	4717.3	0.45%	6	28304	UNGLEICH-PLACE5, CH
28	18429	4361.0	0.21%	3	13083	EXTRALAN-TW Extra-Lan Technologies Co., LTD, TW
29	24165	4313.7	0.20%	3	12941	UBBNET-AS-TW UNION BROADBAND NETWORK, TW
30	58821	4118.2	0.26%	4	16473	IDNIC-LJN-AS-ID PT Lintas Jaringan Nusantara, ID
31	24164	4075.0	0.71%	12	44825	UBBNET-AS-TW UNION BROADBAND NETWORK, TW
32	21351	4074.0	0.71%	17	44814	CANALPLUSTELECOM, GP
33	198090	3908.0	0.06%	1	3908	ASLIBRA, IT
34	138535	3886.0	0.18%	3	11658	FURDEVS-AS-AP Wu Qi, CN
35	24474	3883.0	0.12%	2	7766	ASNPANYCAST Nepal Internet Exchange NP Anycast, NP
36	8386	3878.3	1.22%	20	77566	KOCNET, TR
37	28126	3745.3	1.48%	26	93633	BRISANET SERVICOS DE TELECOMUNICACOES S.A, BR
38	21570	3709.0	0.06%	5	3709	ACI-1, CA
39	9924	3564.6	0.39%	11	24952	TFN-TW Taiwan Fixed Network, Telco and Network Service Provider., TW
40	211645	3409.0	0.05%	1	3409	SPG, DE
41	30362	3352.0	0.05%	1	3352	HPT-ASN, US
42	210796	3347.0	0.11%	2	6694	BJOERN-SCHLEYER Bjoern Schleyer, DE
43	141145	3134.0	0.05%	1	3134	GIGANET-AS-ID PT Giga Digital Nusantara, ID
44	264525	3116.4	0.25%	5	15582	Coelho Tecnologia, BR
45	38841	3095.1	1.76%	38	111423	KBRO-AS-TW kbro CO. Ltd., TW
46	204508	2931.0	0.83%	18	52758	MLGT, IT
47	24163	2925.7	0.14%	3	8777	UBBNET-AS-TW UNION BROADBAND NETWORK, TW
48	262901	2899.0	0.09%	2	5798	Vcnet Provedora de Internet Ltda., BR
49	9671	2789.5	0.09%	2	5579	TRADEVAN-AS-AP Trade-Van Informaiton Services Co., TW
50	199235	2784.0	0.04%
Total		579366.1	54.67%

50 Most active Prefixes for the past 14 days

RANK	PREFIX	UPDs	%	Origin AS -- AS NAME
1	2a0f:7c40::/29	183276	2.77%	34600 -- AS6GNET, PL
2	2a13:1c47:c0d0::/44	53494	0.81%	216193 -- AS-HYPERION-CLOUD HYPERION CLOUD SAS, FR
3	2a02:1391:5100::/40	44797	0.68%	21351 -- CANALPLUSTELECOM, GP
4	2a11:f2c0:ffc7::/48	42256	0.64%	216141 -- LEATYON-AS, IT
5	2806:202::/32	35504	0.54%	28458 -- IENTC S DE RL DE CV, MX
6	2a0d:2904::/44	27488	0.42%	205651 -- CATOFES, CN
7	2804:248:100::/40	27204	0.41%	28598 -- DB3 SERVICOS DE TELECOMUNICACOES S.A, BR
8	2a0e:aa07:e044::/48	20124	0.30%	203664 -- LANXING-AS, CN
9	240d:c010:165::/48	18662	0.28%	139341 -- ACE-AS-AP ACE, SG
10	2a0c:b641:302::/47	18144	0.27%	204210 -- ZEUSPACKAGINGLTD, IE
11	2a0a:e5c0:76::/48	16480	0.25%	209898 -- UNGLEICH-UNGLEICH-UPSTREAM, CH
12	2a14:7c0:5300::/48	15907	0.24%	214732 -- RATATOSKR RATATOSKR, US
13	2804:20fc:2000::/36	15562	0.24%	264525 -- Coelho Tecnologia, BR
14	2001:67c:20fc::/48	14227	0.22%	210564 -- SWANTZTER-AS, SE
15	2606:7040::/32	14200	0.21%	400006 -- DIGITAL-MONKS-01, US
16	2406:840:e620::/48	11602	0.18%	138535 -- FURDEVS-AS-AP Wu Qi, CN
17	2001:930:127::/48	11296	0.17%	8386 -- KOCNET, TR
18	2a05:4140:380::/42	11290	0.17%	204508 -- MLGT, IT
19	2001:930:114::/48	11289	0.17%	8386 -- KOCNET, TR
20	2001:930:124::/48	11288	0.17%	8386 -- KOCNET, TR
21	2001:930:108::/48	11288	0.17%	8386 -- KOCNET, TR
22	2001:930:126::/48	11287	0.17%	8386 -- KOCNET, TR
23	2001:930:154::/48	11286	0.17%	8386 -- KOCNET, TR
24	2a05:4140:304::/48	11257	0.17%	204508 -- MLGT, IT
25	2a05:4140:316::/48	11148	0.17%	204508 -- MLGT, IT
26	2a05:4140:333::/48	11066	0.17%	204508 -- MLGT, IT
27	2803:5d10::/32	10481	0.16%	272053 -- ANTUNES FLORES SERGIO OMAR NUEVA NET, AR
28	2a14:3f87:9800::/38	10389	0.16%	64289 -- MACARNE, US
29	2001:67c:21f0::/48	9829	0.15%	52191 -- LOCALKA-NET-AS , UA
30	2a0a:5480::/48	9344	0.14%	211894 -- UNGLEICH-PLACE18, CH
31	2a0a:5480:4::/48	9343	0.14%	211894 -- UNGLEICH-PLACE18, CH
32	2a0a:5480:1::/48	9340	0.14%	211894 -- UNGLEICH-PLACE18, CH
33	2a0a:5480:3::/48	9328	0.14%	211894 -- UNGLEICH-PLACE18, CH
34	2a0a:5480:5::/48	9304	0.14%	211894 -- UNGLEICH-PLACE18, CH
35	2a0a:5480:2::/48	9304	0.14%	211894 -- UNGLEICH-PLACE18, CH
36	2a0a:5480:1ac::/48	9298	0.14%	211894 -- UNGLEICH-PLACE18, CH
37	2a0a:e5c1:517::/48	9145	0.14%	199553 -- UNGLEICH-PLACE5, CH
38	2a0a:e5c0:45::/48	9123	0.14%	199553 -- UNGLEICH-PLACE5, CH
39	2a0a:e5c0:16::/48	9121	0.14%	199553 -- UNGLEICH-PLACE5, CH
40	2001:678:658::/48	8973	0.14%	214450 -- OGL-AS, DE
41	2a0e:b107:19cb::/48	8812	0.13%	214450 -- OGL-AS, DE
42	2c0f:e8a8::/32	8236	0.12%	328631 -- BallitoISP, ZA
43	2a13:aac4:1000::/36	7946	0.12%	204508 -- MLGT, IT
44	2a02:b48:83f1::/48	7509	0.11%	39572 -- ADVANCEDHOSTERS-AS, NL
45	2a02:16c8::/35	7018	0.11%	6871 -- PLUSNET UK Internet Service Provider, GB
46	2803:6610::/32	6916	0.10%	271944 -- AUDIBEL TELECOMUNICACIONES S.A., AR
47	2a0d:2a00:1::/48	6844	0.10%	205157 -- CIDNOC, US
48	2a0d:2a00:2::/48	6842	0.10%	205157 -- CIDNOC, US
49	2a0b:f8c0::/29	6580	0.10%	44297 -- ICODIA ICODIA NETWORK INTEGRITY, FR
50	2605:9cc0:c0e::/48	6524	0.10%	21664 -- AMZN-BYOASN, US 8987 -- AWS-GOVCLOUD AWS-GOVCLOUD, IE
Total		876971	13.26%

14 Day BGP Update Statistics Profile: 10-December-2025 00:00 - 24-December-2025 23:59 (UTC+1000)

Number of BGP Update Messages:	23419704
Number of Prefix Changes:	26679667
Number of Prefix Updates:	23419704
Number of Prefix Withdrawals:	3259963
Average Prefixes per BGP Update:	1.14
Average BGP Update Messages per second:	19.36
Average Prefix Updates per second:	22.06
Peak BGP Update Message Rate per second:	32424	(11:30:43 Thu, 11-Dec-2025)
Peak Prefix Update Rate per second:	32424	(11:30:43 Thu, 11-Dec-2025)
Peak Prefix Withdraw Rate per second:	994	(21:09:50 Mon, 15-Dec-2025, )
Number of RIB Prefix Updates:	6334339	(0.27 of recv'd updates)
Number of RIB Prefix Withdrawals:	277337	(0.09 of recv'd withdrawals)
Peak RIB Update Rate per second:	30617	(11:30:43 Thu, 11-Dec-2025)
Peak RIB Withdrawal Rate per second:	758	(07:16:16 Thu, 11-Dec-2025)
Seen Prefix Count:	247993
Updated Prefix Count:	179088
Stable Prefix Count:	68905
Seen Origin AS Count:	35971
Updated Origin AS Count:	30538
Stable Origin AS Count:	5433
Seen Unique Path Count:	170415
Updated Path Count:	151965
Stable Path Count:	18450

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