The BGP IPv6 Instability Report

This report is updated daily. The current report
was generated on 24 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	1989932	32.22%	504	3948.28	TAIWANMOBILE-AS Taiwan Mobile Co., Ltd., TW
2	7552	452566	7.33%	3977	113.80	VIETEL-AS-AP Viettel Group, VN
3	202256	211422	3.42%	805	262.64	LAWLIETNET, CN
4	16509	103864	1.68%	5482	18.95	AMAZON-02, US
5	199340	102070	1.65%	2801	36.44	HONG-GUANWAN, HK
6	38841	99485	1.61%	38	2618.03	KBRO-AS-TW kbro CO. Ltd., TW
7	28126	87795	1.42%	26	3376.73	BRISANET SERVICOS DE TELECOMUNICACOES S.A, BR
8	40138	86454	1.40%	38	2275.11	MDNET, US
9	8386	85878	1.39%	20	4293.90	KOCNET, TR
10	28649	75504	1.22%	77	980.57	Desktop Sigmanet Comunicacao Multimidia SA, BR
11	216193	72986	1.18%	1	72986.00	AS-HYPERION-CLOUD HYPERION CLOUD SAS, FR
12	211894	65053	1.05%	8	8131.62	UNGLEICH-PLACE18, CH
13	216141	60979	0.99%	1	60979.00	LEATYON-AS, IT
14	204508	54388	0.88%	18	3021.56	MLGT, IT
15	21351	44412	0.72%	17	2612.47	CANALPLUSTELECOM, GP
16	24164	40196	0.65%	12	3349.67	UBBNET-AS-TW UNION BROADBAND NETWORK, TW
17	12041	39028	0.63%	228	171.18	AS-AFILIAS1, US
18	39891	36357	0.59%	2058	17.67	ALJAWWALSTC-AS, SA
19	28458	34670	0.56%	2	17335.00	IENTC S DE RL DE CV, MX
20	38266	32078	0.52%	1389	23.09	VIL-AS-AP Vodafone Idea Ltd, IN
21	205651	27613	0.45%	1	27613.00	CATOFES, CN
22	28598	27208	0.44%	14	1943.43	DB3 SERVICOS DE TELECOMUNICACOES S.A, BR
23	199553	27169	0.44%	6	4528.17	UNGLEICH-PLACE5, CH
24	139341	23757	0.38%	175	135.75	ACE-AS-AP ACE, SG
25	213092	23549	0.38%	11	2140.82	MARBLEIS, GB
26	9924	22189	0.36%	11	2017.18	TFN-TW Taiwan Fixed Network, Telco and Network Service Provider., TW
27	10103	22135	0.36%	12	1844.58	HKBN-AS-AP HK Broadband Network Ltd., HK
28	262448	21511	0.35%	20	1075.55	DIALHOST INTERNET EIRELI, BR
29	5416	20763	0.34%	1042	19.93	Internet Service Provider, BH
30	203664	20048	0.32%	1	20048.00	LANXING-AS, CN
31	204210	18435	0.30%	4	4608.75	ZEUSPACKAGINGLTD, IE
32	214450	17794	0.29%	2	8897.00	OGL-AS, DE
33	28640	16692	0.27%	15	1112.80	VIPWay Telecomunicacoes Ltda, BR
34	209898	16564	0.27%	2	8282.00	UNGLEICH-UNGLEICH-UPSTREAM, CH
35	58821	16473	0.27%	4	4118.25	IDNIC-LJN-AS-ID PT Lintas Jaringan Nusantara, ID
36	9674	16429	0.27%	39	421.26	FET-TW Far EastTone Telecommunication Co., Ltd., TW
37	45271	15908	0.26%	1250	12.73	VIL-AS-AP Vodafone Idea Ltd, IN
38	400006	15564	0.25%	1	15564.00	DIGITAL-MONKS-01, US
39	17072	15175	0.25%	1413	10.74	TOTAL PLAY TELECOMUNICACIONES SA DE CV, MX
40	43350	15013	0.24%	24	625.54	NFORCE, NL
41	22616	14999	0.24%	39	384.59	ZSCALER-SJC1, US
42	24173	14781	0.24%	261	56.63	NETNAM-AS-AP Netnam Company, VN
43	21664	14553	0.24%	39	373.15	AMZN-BYOASN, US
44	36183	14445	0.23%	1644	8.79	AKAMAI-AS, US
45	214732	14387	0.23%	3	4795.67	RATATOSKR RATATOSKR, US
46	210564	14360	0.23%	1	14360.00	SWANTZTER-AS, SE
47	43766	12799	0.21%	777	16.47	MTC-KSA-AS, SA
48	48635	12608	0.20%	21	600.38	CLDIN-NL Your Hosting B.V. part of Your.Online, NL
49	272053	12139	0.20%	1	12139.00	ANTUNES FLORES SERGIO OMAR NUEVA NET, AR
50	51202	11981	0.19%	12	998.42	NUXOA, DE
Total		4312158	69.81%

50 Most active ASes for the past 14 days

RANK	ASN	UPDs/Prefix	%	Prefixes	UPDs	AS NAME
1	216193	72986.0	1.18%	1	72986	AS-HYPERION-CLOUD HYPERION CLOUD SAS, FR
2	216141	60979.0	0.99%	1	60979	LEATYON-AS, IT
3	205651	27613.0	0.45%	1	27613	CATOFES, CN
4	203664	20048.0	0.32%	1	20048	LANXING-AS, CN
5	28458	17335.0	0.56%	2	34670	IENTC S DE RL DE CV, MX
6	400006	15564.0	0.25%	1	15564	DIGITAL-MONKS-01, US
7	210564	14360.0	0.23%	1	14360	SWANTZTER-AS, SE
8	272053	12139.0	0.20%	1	12139	ANTUNES FLORES SERGIO OMAR NUEVA NET, AR
9	34600	11505.0	0.19%	1	11505	AS6GNET, PL
10	214450	8897.0	0.29%	2	17794	OGL-AS, DE
11	328631	8359.0	0.14%	1	8359	BallitoISP, ZA
12	209898	8282.0	0.27%	2	16564	UNGLEICH-UNGLEICH-UPSTREAM, CH
13	211894	8131.6	1.05%	8	65053	UNGLEICH-PLACE18, CH
14	44297	7765.0	0.13%	1	7765	ICODIA ICODIA NETWORK INTEGRITY, FR
15	271944	7010.0	0.11%	1	7010	AUDIBEL TELECOMUNICACIONES S.A., AR
16	204210	6145.0	0.30%	4	18435	ZEUSPACKAGINGLTD, IE
17	199678	5938.0	0.10%	1	5938	AS-6RW-, RU
18	30083	5618.0	0.09%	3	5618	AS-30083-US-VELIA-NET, DE
19	52191	5286.0	0.09%	1	5286	LOCALKA-NET-AS , UA
20	151650	5121.0	0.08%	1	5121	SWITCHFIBER-AS-AP Switch Fiber, PH
21	214732	4795.7	0.23%	3	14387	RATATOSKR RATATOSKR, US
22	6535	4745.0	0.15%	8	9490	Telmex Servicios Empresariales S.A., CL
23	141145	4621.0	0.07%	1	4621	GIGANET-AS-ID PT Giga Digital Nusantara, ID
24	199553	4528.2	0.44%	6	27169	UNGLEICH-PLACE5, CH
25	20915	4521.0	0.07%	1	4521	HUNDRED-PERCENT-IT, GB
26	17420	4373.0	0.07%	1	4373	ACEREDC-TW Acer e-Enabling Data Center, Inc., TW
27	131143	4298.0	0.07%	1	4298	CHINATRUST-AS-TW Chinatrust Commercial Bank, TW
28	8386	4293.9	1.39%	20	85878	KOCNET, TR
29	24158	4207.0	32.22%	504	1989932	TAIWANMOBILE-AS Taiwan Mobile Co., Ltd., TW
30	58821	4118.2	0.27%	4	16473	IDNIC-LJN-AS-ID PT Lintas Jaringan Nusantara, ID
31	21351	4037.5	0.72%	17	44412	CANALPLUSTELECOM, GP
32	18429	3923.0	0.19%	3	11769	EXTRALAN-TW Extra-Lan Technologies Co., LTD, TW
33	198090	3890.0	0.06%	1	3890	ASLIBRA, IT
34	24165	3880.3	0.19%	3	11641	UBBNET-AS-TW UNION BROADBAND NETWORK, TW
35	138535	3875.3	0.19%	3	11626	FURDEVS-AS-AP Wu Qi, CN
36	21570	3801.0	0.06%	5	3801	ACI-1, CA
37	24474	3720.0	0.12%	2	7440	ASNPANYCAST Nepal Internet Exchange NP Anycast, NP
38	30362	3687.0	0.06%	1	3687	HPT-ASN, US
39	24164	3654.2	0.65%	12	40196	UBBNET-AS-TW UNION BROADBAND NETWORK, TW
40	28126	3511.8	1.42%	26	87795	BRISANET SERVICOS DE TELECOMUNICACOES S.A, BR
41	210796	3458.0	0.11%	2	6916	BJOERN-SCHLEYER Bjoern Schleyer, DE
42	211645	3383.0	0.05%	1	3383	SPG, DE
43	9924	3169.9	0.36%	11	22189	TFN-TW Taiwan Fixed Network, Telco and Network Service Provider., TW
44	204508	3021.6	0.88%	18	54388	MLGT, IT
45	262901	2904.0	0.09%	2	5808	Vcnet Provedora de Internet Ltda., BR
46	26445	2858.0	0.05%	1	2858	OWL, US
47	199235	2774.0	0.04%	1	2774	MIKROHALO-HU-AS, HU
48	38841	2763.5	1.61%	38	99485	KBRO-AS-TW kbro CO. Ltd., TW
49	394106	2738.7	0.13%	3	8216	BEIDEAL, US
50	24163	2625.3	0.13%
Total		441258.7	49.11%

50 Most active Prefixes for the past 14 days

RANK	PREFIX	UPDs	%	Origin AS -- AS NAME
1	2a13:1c47:c0d0::/44	72986	1.13%	216193 -- AS-HYPERION-CLOUD HYPERION CLOUD SAS, FR
2	2a11:f2c0:ffc7::/48	60979	0.94%	216141 -- LEATYON-AS, IT
3	2a02:1391:5100::/40	44394	0.69%	21351 -- CANALPLUSTELECOM, GP
4	2806:202::/32	34662	0.54%	28458 -- IENTC S DE RL DE CV, MX
5	2a0d:2904::/44	27613	0.43%	205651 -- CATOFES, CN
6	2804:248:100::/40	27147	0.42%	28598 -- DB3 SERVICOS DE TELECOMUNICACOES S.A, BR
7	2a0e:aa07:e044::/48	20048	0.31%	203664 -- LANXING-AS, CN
8	240d:c010:165::/48	18764	0.29%	139341 -- ACE-AS-AP ACE, SG
9	2a0c:b641:302::/47	18417	0.29%	204210 -- ZEUSPACKAGINGLTD, IE
10	2a0a:e5c0:76::/48	16561	0.26%	209898 -- UNGLEICH-UNGLEICH-UPSTREAM, CH
11	2606:7040::/32	15564	0.24%	400006 -- DIGITAL-MONKS-01, US
12	2a03:eec0:3212::/48	14926	0.23%	22616 -- ZSCALER-SJC1, US
13	2a14:7c0:5300::/48	14383	0.22%	214732 -- RATATOSKR RATATOSKR, US
14	2001:67c:20fc::/48	14360	0.22%	210564 -- SWANTZTER-AS, SE
15	2803:5d10::/32	12140	0.19%	272053 -- ANTUNES FLORES SERGIO OMAR NUEVA NET, AR
16	2001:930:127::/48	12090	0.19%	8386 -- KOCNET, TR
17	2001:930:108::/48	12089	0.19%	8386 -- KOCNET, TR
18	2001:930:154::/48	12081	0.19%	8386 -- KOCNET, TR
19	2001:930:126::/48	12080	0.19%	8386 -- KOCNET, TR
20	2001:930:124::/48	12080	0.19%	8386 -- KOCNET, TR
21	2001:930:114::/48	12075	0.19%	8386 -- KOCNET, TR
22	2a05:4140:380::/42	11755	0.18%	204508 -- MLGT, IT
23	2a05:4140:304::/48	11740	0.18%	204508 -- MLGT, IT
24	2a05:4140:316::/48	11638	0.18%	204508 -- MLGT, IT
25	2406:840:e620::/48	11569	0.18%	138535 -- FURDEVS-AS-AP Wu Qi, CN
26	2a05:4140:333::/48	11522	0.18%	204508 -- MLGT, IT
27	2a0f:7c40::/29	11505	0.18%	34600 -- AS6GNET, PL
28	2a14:3f87:9800::/38	10625	0.16%	64289 -- MACARNE, US
29	2a02:b48:83f1::/48	9794	0.15%	39572 -- ADVANCEDHOSTERS-AS, NL
30	2a0a:5480::/48	9313	0.14%	211894 -- UNGLEICH-PLACE18, CH
31	2a0a:5480:4::/48	9313	0.14%	211894 -- UNGLEICH-PLACE18, CH
32	2a0a:5480:1::/48	9310	0.14%	211894 -- UNGLEICH-PLACE18, CH
33	2a0a:5480:3::/48	9294	0.14%	211894 -- UNGLEICH-PLACE18, CH
34	2a0a:5480:2::/48	9274	0.14%	211894 -- UNGLEICH-PLACE18, CH
35	2a0a:5480:5::/48	9274	0.14%	211894 -- UNGLEICH-PLACE18, CH
36	2a0a:5480:1ac::/48	9267	0.14%	211894 -- UNGLEICH-PLACE18, CH
37	2a0a:e5c1:517::/48	9062	0.14%	199553 -- UNGLEICH-PLACE5, CH
38	2a0a:e5c0:45::/48	9050	0.14%	199553 -- UNGLEICH-PLACE5, CH
39	2a0a:e5c0:16::/48	9048	0.14%	199553 -- UNGLEICH-PLACE5, CH
40	2001:678:658::/48	8999	0.14%	214450 -- OGL-AS, DE
41	2a0e:b107:19cb::/48	8795	0.14%	214450 -- OGL-AS, DE
42	2c0f:e8a8::/32	8359	0.13%	328631 -- BallitoISP, ZA
43	2a0b:f8c0::/29	7765	0.12%	44297 -- ICODIA ICODIA NETWORK INTEGRITY, FR
44	2a13:aac4:1000::/36	7698	0.12%	204508 -- MLGT, IT
45	2600:6c7f:9370::/44	7140	0.11%	19115 -- CHARTER-19115-DC, US
46	2a02:16c8::/35	7022	0.11%	6871 -- PLUSNET UK Internet Service Provider, GB
47	2803:6610::/32	7010	0.11%	271944 -- AUDIBEL TELECOMUNICACIONES S.A., AR
48	2a0f:1cc5:110::/44	6875	0.11%	203309 -- CHOCO-AS, CN
49	2402:e580:74b8::/48	6591	0.10%	40138 -- MDNET, US
50	2605:9cc0:c0e::/48	6486	0.10%	21664 -- AMZN-BYOASN, US 8987 -- AWS-GOVCLOUD AWS-GOVCLOUD, IE
Total		750532	11.62%

14 Day BGP Update Statistics Profile: 9-December-2025 00:00 - 23-December-2025 23:59 (UTC+1000)

Number of BGP Update Messages:	23158993
Number of Prefix Changes:	26488520
Number of Prefix Updates:	23158993
Number of Prefix Withdrawals:	3329527
Average Prefixes per BGP Update:	1.14
Average BGP Update Messages per second:	19.15
Average Prefix Updates per second:	21.90
Peak BGP Update Message Rate per second:	29667	(11:30:43 Thu, 11-Dec-2025)
Peak Prefix Update Rate per second:	29667	(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:	6176663	(0.27 of recv'd updates)
Number of RIB Prefix Withdrawals:	280045	(0.08 of recv'd withdrawals)
Peak RIB Update Rate per second:	26061	(11:30:43 Thu, 11-Dec-2025)
Peak RIB Withdrawal Rate per second:	758	(07:16:16 Thu, 11-Dec-2025)
Seen Prefix Count:	248117
Updated Prefix Count:	181182
Stable Prefix Count:	66935
Seen Origin AS Count:	35972
Updated Origin AS Count:	30924
Stable Origin AS Count:	5048
Seen Unique Path Count:	174838
Updated Path Count:	155259
Stable Path Count:	19579

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