The BGP IPv6 Instability Report

This report is updated daily. The current report
was generated on 23 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	1602744	26.97%	504	3180.05	TAIWANMOBILE-AS Taiwan Mobile Co., Ltd., TW
2	7552	509998	8.58%	3977	128.24	VIETEL-AS-AP Viettel Group, VN
3	202256	214826	3.62%	832	258.20	LAWLIETNET, CN
4	16509	103897	1.75%	5480	18.96	AMAZON-02, US
5	199340	100728	1.70%	3557	28.32	HONG-GUANWAN, HK
6	216193	90904	1.53%	1	90904.00	AS-HYPERION-CLOUD HYPERION CLOUD SAS, FR
7	8386	90104	1.52%	20	4505.20	KOCNET, TR
8	40138	85834	1.44%	38	2258.79	MDNET, US
9	28126	81750	1.38%	23	3554.35	BRISANET SERVICOS DE TELECOMUNICACOES S.A, BR
10	38841	80514	1.35%	38	2118.79	KBRO-AS-TW kbro CO. Ltd., TW
11	216141	78597	1.32%	1	78597.00	LEATYON-AS, IT
12	28649	69448	1.17%	77	901.92	Desktop Sigmanet Comunicacao Multimidia SA, BR
13	211894	67403	1.13%	8	8425.38	UNGLEICH-PLACE18, CH
14	204508	54645	0.92%	18	3035.83	MLGT, IT
15	39891	47363	0.80%	2058	23.01	ALJAWWALSTC-AS, SA
16	21351	44513	0.75%	17	2618.41	CANALPLUSTELECOM, GP
17	10103	43646	0.73%	12	3637.17	HKBN-AS-AP HK Broadband Network Ltd., HK
18	12041	41768	0.70%	228	183.19	AS-AFILIAS1, US
19	28458	33760	0.57%	2	16880.00	IENTC S DE RL DE CV, MX
20	24164	32308	0.54%	12	2692.33	UBBNET-AS-TW UNION BROADBAND NETWORK, TW
21	38266	31060	0.52%	1379	22.52	VIL-AS-AP Vodafone Idea Ltd, IN
22	205651	27706	0.47%	1	27706.00	CATOFES, CN
23	199553	27108	0.46%	6	4518.00	UNGLEICH-PLACE5, CH
24	213092	26094	0.44%	11	2372.18	MARBLEIS, GB
25	22616	25682	0.43%	39	658.51	ZSCALER-SJC1, US
26	139341	24147	0.41%	175	137.98	ACE-AS-AP ACE, SG
27	262448	21918	0.37%	20	1095.90	DIALHOST INTERNET EIRELI, BR
28	5416	20763	0.35%	1042	19.93	Internet Service Provider, BH
29	203664	19991	0.34%	1	19991.00	LANXING-AS, CN
30	28640	19529	0.33%	15	1301.93	VIPWay Telecomunicacoes Ltda, BR
31	204210	18473	0.31%	4	4618.25	ZEUSPACKAGINGLTD, IE
32	9924	18061	0.30%	11	1641.91	TFN-TW Taiwan Fixed Network, Telco and Network Service Provider., TW
33	214450	17684	0.30%	2	8842.00	OGL-AS, DE
34	214732	17299	0.29%	3	5766.33	RATATOSKR RATATOSKR, US
35	400006	16987	0.29%	1	16987.00	DIGITAL-MONKS-01, US
36	24173	16821	0.28%	261	64.45	NETNAM-AS-AP Netnam Company, VN
37	209898	16653	0.28%	2	8326.50	UNGLEICH-UNGLEICH-UPSTREAM, CH
38	43350	16589	0.28%	24	691.21	NFORCE, NL
39	58821	16467	0.28%	4	4116.75	IDNIC-LJN-AS-ID PT Lintas Jaringan Nusantara, ID
40	9674	16429	0.28%	39	421.26	FET-TW Far EastTone Telecommunication Co., Ltd., TW
41	17072	16119	0.27%	1413	11.41	TOTAL PLAY TELECOMUNICACIONES SA DE CV, MX
42	21664	14406	0.24%	39	369.38	AMZN-BYOASN, US
43	210564	14267	0.24%	1	14267.00	SWANTZTER-AS, SE
44	36183	14099	0.24%	1644	8.58	AKAMAI-AS, US
45	272053	13651	0.23%	1	13651.00	ANTUNES FLORES SERGIO OMAR NUEVA NET, AR
46	23679	12969	0.22%	26	498.81	NUSANET-AS-ID PT. Media Antar Nusa, ID
47	28598	12658	0.21%	14	904.14	DB3 SERVICOS DE TELECOMUNICACOES S.A, BR
48	48635	12478	0.21%	21	594.19	CLDIN-NL Your Hosting B.V. part of Your.Online, NL
49	43766	12384	0.21%	777	15.94	MTC-KSA-AS, SA
50	51202	12264	0.21%	12	1022.00	NUXOA, DE
Total		4025506	67.76%

50 Most active ASes for the past 14 days

RANK	ASN	UPDs/Prefix	%	Prefixes	UPDs	AS NAME
1	216193	90904.0	1.53%	1	90904	AS-HYPERION-CLOUD HYPERION CLOUD SAS, FR
2	216141	78597.0	1.32%	1	78597	LEATYON-AS, IT
3	205651	27706.0	0.47%	1	27706	CATOFES, CN
4	203664	19991.0	0.34%	1	19991	LANXING-AS, CN
5	214732	17299.0	0.29%	3	17299	RATATOSKR RATATOSKR, US
6	400006	16987.0	0.29%	1	16987	DIGITAL-MONKS-01, US
7	28458	16880.0	0.57%	2	33760	IENTC S DE RL DE CV, MX
8	210564	14267.0	0.24%	1	14267	SWANTZTER-AS, SE
9	272053	13651.0	0.23%	1	13651	ANTUNES FLORES SERGIO OMAR NUEVA NET, AR
10	52191	9923.0	0.17%	1	9923	LOCALKA-NET-AS , UA
11	34600	8898.0	0.15%	1	8898	AS6GNET, PL
12	214450	8842.0	0.30%	2	17684	OGL-AS, DE
13	44297	8685.0	0.15%	1	8685	ICODIA ICODIA NETWORK INTEGRITY, FR
14	328631	8494.0	0.14%	1	8494	BallitoISP, ZA
15	211894	8425.4	1.13%	8	67403	UNGLEICH-PLACE18, CH
16	209898	8326.5	0.28%	2	16653	UNGLEICH-UNGLEICH-UPSTREAM, CH
17	271944	7065.0	0.12%	1	7065	AUDIBEL TELECOMUNICACIONES S.A., AR
18	30083	6407.0	0.11%	3	6407	AS-30083-US-VELIA-NET, DE
19	204210	6157.7	0.31%	4	18473	ZEUSPACKAGINGLTD, IE
20	6535	4930.0	0.17%	8	9860	Telmex Servicios Empresariales S.A., CL
21	20915	4668.0	0.08%	1	4668	HUNDRED-PERCENT-IT, GB
22	199553	4518.0	0.46%	6	27108	UNGLEICH-PLACE5, CH
23	8386	4505.2	1.52%	20	90104	KOCNET, TR
24	151650	4269.0	0.07%	1	4269	SWITCHFIBER-AS-AP Switch Fiber, PH
25	58821	4116.8	0.28%	4	16467	IDNIC-LJN-AS-ID PT Lintas Jaringan Nusantara, ID
26	21351	4046.6	0.75%	17	44513	CANALPLUSTELECOM, GP
27	21570	3926.0	0.07%	5	3926	ACI-1, CA
28	138535	3925.0	0.20%	3	11775	FURDEVS-AS-AP Wu Qi, CN
29	198090	3889.0	0.07%	1	3889	ASLIBRA, IT
30	24474	3803.5	0.13%	2	7607	ASNPANYCAST Nepal Internet Exchange NP Anycast, NP
31	30362	3738.0	0.06%	1	3738	HPT-ASN, US
32	28126	3715.9	1.38%	23	81750	BRISANET SERVICOS DE TELECOMUNICACOES S.A, BR
33	10103	3637.2	0.73%	12	43646	HKBN-AS-AP HK Broadband Network Ltd., HK
34	17420	3518.0	0.06%	1	3518	ACEREDC-TW Acer e-Enabling Data Center, Inc., TW
35	210796	3497.0	0.12%	2	6994	BJOERN-SCHLEYER Bjoern Schleyer, DE
36	131143	3468.0	0.06%	1	3468	CHINATRUST-AS-TW Chinatrust Commercial Bank, TW
37	141145	3409.0	0.06%	1	3409	GIGANET-AS-ID PT Giga Digital Nusantara, ID
38	24158	3388.5	26.97%	504	1602744	TAIWANMOBILE-AS Taiwan Mobile Co., Ltd., TW
39	211645	3388.0	0.06%	1	3388	SPG, DE
40	26445	3285.0	0.06%	1	3285	OWL, US
41	18429	3157.7	0.16%	3	9473	EXTRALAN-TW Extra-Lan Technologies Co., LTD, TW
42	24165	3118.7	0.16%	3	9356	UBBNET-AS-TW UNION BROADBAND NETWORK, TW
43	199678	3069.0	0.05%	1	3069	AS-6RW-, RU
44	204508	3035.8	0.92%	18	54645	MLGT, IT
45	394106	2974.7	0.15%	3	8924	BEIDEAL, US
46	24164	2937.1	0.54%	12	32308	UBBNET-AS-TW UNION BROADBAND NETWORK, TW
47	262901	2892.0	0.10%	2	5784	Vcnet Provedora de Internet Ltda., BR
48	199235	2787.0	0.05%	1	2787	MIKROHALO-HU-AS, HU
49	9924	2580.1	0.30%	11	18061	TFN-TW Taiwan Fixed Network, Telco and Network Service Provider., TW
50	214160	2451.0	0.04%
Total		488150.4	43.97%

50 Most active Prefixes for the past 14 days

RANK	PREFIX	UPDs	%	Origin AS -- AS NAME
1	2a13:1c47:c0d0::/44	90904	1.46%	216193 -- AS-HYPERION-CLOUD HYPERION CLOUD SAS, FR
2	2a11:f2c0:ffc7::/48	78597	1.26%	216141 -- LEATYON-AS, IT
3	2a02:1391:5100::/40	44495	0.71%	21351 -- CANALPLUSTELECOM, GP
4	2806:202::/32	33752	0.54%	28458 -- IENTC S DE RL DE CV, MX
5	2a0d:2904::/44	27706	0.45%	205651 -- CATOFES, CN
6	2a03:eec0:3212::/48	25608	0.41%	22616 -- ZSCALER-SJC1, US
7	2a0e:aa07:e044::/48	19992	0.32%	203664 -- LANXING-AS, CN
8	240d:c010:165::/48	18845	0.30%	139341 -- ACE-AS-AP ACE, SG
9	2a0c:b641:302::/47	18455	0.30%	204210 -- ZEUSPACKAGINGLTD, IE
10	2a14:7c0:5300::/48	17299	0.28%	214732 -- RATATOSKR RATATOSKR, US
11	2606:7040::/32	16987	0.27%	400006 -- DIGITAL-MONKS-01, US
12	2a0a:e5c0:76::/48	16650	0.27%	209898 -- UNGLEICH-UNGLEICH-UPSTREAM, CH
13	2001:67c:20fc::/48	14267	0.23%	210564 -- SWANTZTER-AS, SE
14	2803:5d10::/32	13651	0.22%	272053 -- ANTUNES FLORES SERGIO OMAR NUEVA NET, AR
15	2001:930:154::/48	12984	0.21%	8386 -- KOCNET, TR
16	2001:930:108::/48	12913	0.21%	8386 -- KOCNET, TR
17	2001:930:124::/48	12906	0.21%	8386 -- KOCNET, TR
18	2001:930:126::/48	12904	0.21%	8386 -- KOCNET, TR
19	2001:930:114::/48	12902	0.21%	8386 -- KOCNET, TR
20	2001:930:127::/48	12902	0.21%	8386 -- KOCNET, TR
21	2804:248:100::/40	12596	0.20%	28598 -- DB3 SERVICOS DE TELECOMUNICACOES S.A, BR
22	2a02:b48:83f1::/48	12013	0.19%	39572 -- ADVANCEDHOSTERS-AS, NL
23	2a05:4140:380::/42	11804	0.19%	204508 -- MLGT, IT
24	2a05:4140:304::/48	11780	0.19%	204508 -- MLGT, IT
25	2a05:4140:316::/48	11748	0.19%	204508 -- MLGT, IT
26	2406:840:e620::/48	11719	0.19%	138535 -- FURDEVS-AS-AP Wu Qi, CN
27	2a05:4140:333::/48	11597	0.19%	204508 -- MLGT, IT
28	2a14:3f87:9800::/38	10910	0.18%	64289 -- MACARNE, US
29	2607:74c0:100::/44	9940	0.16%	10103 -- HKBN-AS-AP HK Broadband Network Ltd., HK
30	2001:67c:21f0::/48	9923	0.16%	52191 -- LOCALKA-NET-AS , UA
31	2607:74c0:130::/44	9895	0.16%	10103 -- HKBN-AS-AP HK Broadband Network Ltd., HK
32	2804:20fc:2000::/36	9754	0.16%	264525 -- Coelho Tecnologia, BR
33	2607:74c0:110::/44	9723	0.16%	10103 -- HKBN-AS-AP HK Broadband Network Ltd., HK
34	2607:74c0:140::/44	9683	0.16%	10103 -- HKBN-AS-AP HK Broadband Network Ltd., HK
35	2a0a:5480::/48	9318	0.15%	211894 -- UNGLEICH-PLACE18, CH
36	2a0a:5480:4::/48	9318	0.15%	211894 -- UNGLEICH-PLACE18, CH
37	2a0a:5480:1::/48	9315	0.15%	211894 -- UNGLEICH-PLACE18, CH
38	2a0a:5480:3::/48	9295	0.15%	211894 -- UNGLEICH-PLACE18, CH
39	2a0a:5480:2::/48	9278	0.15%	211894 -- UNGLEICH-PLACE18, CH
40	2a0a:5480:5::/48	9276	0.15%	211894 -- UNGLEICH-PLACE18, CH
41	2a0a:5480:1ac::/48	9271	0.15%	211894 -- UNGLEICH-PLACE18, CH
42	2a0a:e5c1:517::/48	9027	0.15%	199553 -- UNGLEICH-PLACE5, CH
43	2a0a:e5c0:45::/48	9025	0.14%	199553 -- UNGLEICH-PLACE5, CH
44	2a0a:e5c0:16::/48	9023	0.14%	199553 -- UNGLEICH-PLACE5, CH
45	2001:678:658::/48	8919	0.14%	214450 -- OGL-AS, DE
46	2a0f:7c40::/29	8898	0.14%	34600 -- AS6GNET, PL
47	2a0e:b107:19cb::/48	8765	0.14%	214450 -- OGL-AS, DE
48	2a0b:f8c0::/29	8685	0.14%	44297 -- ICODIA ICODIA NETWORK INTEGRITY, FR
49	2c0f:e8a8::/32	8494	0.14%	328631 -- BallitoISP, ZA
50	2600:6c7f:9370::/44	8380	0.13%	19115 -- CHARTER-19115-DC, US
Total		812091	13.07%

14 Day BGP Update Statistics Profile: 8-December-2025 00:00 - 22-December-2025 23:59 (UTC+1000)

Number of BGP Update Messages:	22527282
Number of Prefix Changes:	25885451
Number of Prefix Updates:	22527282
Number of Prefix Withdrawals:	3358169
Average Prefixes per BGP Update:	1.15
Average BGP Update Messages per second:	18.62
Average Prefix Updates per second:	21.40
Peak BGP Update Message Rate per second:	28913	(22:39:19 Sun, 21-Dec-2025)
Peak Prefix Update Rate per second:	28913	(22:39:19 Sun, 21-Dec-2025)
Peak Prefix Withdraw Rate per second:	994	(21:09:50 Mon, 15-Dec-2025, )
Number of RIB Prefix Updates:	5942327	(0.26 of recv'd updates)
Number of RIB Prefix Withdrawals:	281899	(0.08 of recv'd withdrawals)
Peak RIB Update Rate per second:	23673	(11:30:43 Thu, 11-Dec-2025)
Peak RIB Withdrawal Rate per second:	758	(07:16:16 Thu, 11-Dec-2025)
Seen Prefix Count:	248796
Updated Prefix Count:	182790
Stable Prefix Count:	66006
Seen Origin AS Count:	35977
Updated Origin AS Count:	31113
Stable Origin AS Count:	4864
Seen Unique Path Count:	177835
Updated Path Count:	157330
Stable Path Count:	20505

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