The BGP IPv6 Instability Report

This report is updated daily. The current report
was generated on 7 November 2025 01:33 (UTC+1000)

50 Most active ASes for the past 14 days

RANK	ASN	UPDs	%	Prefixes	UPDs/Prefix	AS NAME
1	214028	939875	17.62%	1	939875.00	MAHDI-UMRAN, ID
2	202256	437362	8.20%	1176	371.91	LAWLIETNET, CN
3	7552	235483	4.42%	3958	59.50	VIETEL-AS-AP Viettel Group, VN
4	39891	162478	3.05%	2120	76.64	ALJAWWALSTC-AS, SA
5	203062	150928	2.83%	20	7546.40	ALEXANDRE-ROUX-ASRINFOPRO Alexandre Roux trading as ASR INFOPRO, FR
6	51559	148472	2.78%	98	1515.02	NETINTERNET Netinternet Bilisim Teknolojileri AS, TR
7	22616	148125	2.78%	37	4003.38	ZSCALER-SJC1, US
8	199340	119616	2.24%	6137	19.49	HONG-GUANWAN, HK
9	16509	100469	1.88%	5507	18.24	AMAZON-02, US
10	40138	85681	1.61%	39	2196.95	MDNET, US
11	211894	58165	1.09%	8	7270.62	UNGLEICH-PLACE18, CH
12	12041	41375	0.78%	228	181.47	AS-AFILIAS1, US
13	13780	40561	0.76%	10	4056.10	MILEHIGHWALRUS-NETWORK, US
14	38266	39575	0.74%	1380	28.68	VIL-AS-AP Vodafone Idea Ltd, IN
15	9287	38367	0.72%	8	4795.88	TIDCC-AS-AP True Internet Data Center Company Limited, TH
16	39572	37927	0.71%	33	1149.30	ADVANCEDHOSTERS-AS, NL
17	22724	35771	0.67%	143	250.15	PUNTONET S.A., EC
18	213092	33125	0.62%	12	2760.42	MARBLEIS, GB
19	36351	32019	0.60%	71	450.97	SOFTLAYER, US
20	21351	31382	0.59%	17	1846.00	CANALPLUSTELECOM, GP
21	204508	30494	0.57%	18	1694.11	MLGT, IT
22	19551	27545	0.52%	702	39.24	INCAPSULA, US
23	10103	25816	0.48%	12	2151.33	HKBN-AS-AP HK Broadband Network Ltd., HK
24	55960	25200	0.47%	34	741.18	BJ-GUANGHUAN-AP Beijing Guanghuan Xinwang Digital, CN
25	199553	24064	0.45%	6	4010.67	UNGLEICH-PLACE5, CH
26	28598	23438	0.44%	14	1674.14	DB3 SERVICOS DE TELECOMUNICACOES S.A, BR
27	13335	22560	0.42%	3022	7.47	CLOUDFLARENET, US
28	139341	20467	0.38%	168	121.83	ACE-AS-AP ACE, SG
29	23420	20456	0.38%	1	20456.00	AS-DAVENPRO, US
30	17072	19682	0.37%	1407	13.99	TOTAL PLAY TELECOMUNICACIONES SA DE CV, MX
31	204210	18931	0.35%	6	3155.17	ZEUSPACKAGINGLTD, IE
32	28458	17988	0.34%	2	8994.00	IENTC S DE RL DE CV, MX
33	39409	17652	0.33%	7	2521.71	SWG-MYROOTPW, AT
34	215084	16756	0.31%	7	2393.71	BINSAR-APIKU-, ID
35	267943	16518	0.31%	16	1032.38	SOL PROVEDOR DE INTERNETE LTDA - ME, BR
36	211281	16469	0.31%	7	2352.71	NEOHOST-AS, RO
37	28573	15785	0.30%	1625	9.71	Claro NXT Telecomunicacoes Ltda, BR
38	393577	15006	0.28%	8	1875.75	TRITAN-DEVELOPMENT, US
39	21664	14901	0.28%	36	413.92	AMZN-BYOASN, US
40	45899	14356	0.27%	332	43.24	VNPT-AS-VN VNPT Corp, VN
41	210564	13942	0.26%	1	13942.00	SWANTZTER-AS, SE
42	262448	13722	0.26%	20	686.10	DIALHOST INTERNET EIRELI, BR
43	92	12761	0.24%	1	12761.00	CLARKSON-AS, US
44	36183	12146	0.23%	1643	7.39	AKAMAI-AS, US
45	51202	11694	0.22%	12	974.50	NUXOA, DE
46	209898	11670	0.22%	2	5835.00	UNGLEICH-UNGLEICH-UPSTREAM, CH
47	61573	11649	0.22%	13	896.08	Ip Telecom, BR
48	4601	11477	0.22%	2048	5.60	DNET DaKnObNET, GR
49	63949	11459	0.21%	95	120.62	AKAMAI-LINODE-AP Akamai Connected Cloud, SG
50	5416	11255	0.21%	1042	10.80	Internet Service Provider, BH
Total		3442615	64.54%

50 Most active ASes for the past 14 days

RANK	ASN	UPDs/Prefix	%	Prefixes	UPDs	AS NAME
1	214028	939875.0	17.62%	1	939875	MAHDI-UMRAN, ID
2	23420	20456.0	0.38%	1	20456	AS-DAVENPRO, US
3	210564	13942.0	0.26%	1	13942	SWANTZTER-AS, SE
4	92	12761.0	0.24%	1	12761	CLARKSON-AS, US
5	272053	10185.0	0.19%	1	10185	ANTUNES FLORES SERGIO OMAR NUEVA NET, AR
6	328631	9907.0	0.19%	1	9907	BallitoISP, ZA
7	2832	9677.0	0.18%	1	9677	AS-SUNET-TESTBED, SE
8	28458	8994.0	0.34%	2	17988	IENTC S DE RL DE CV, MX
9	203062	7546.4	2.83%	20	150928	ALEXANDRE-ROUX-ASRINFOPRO Alexandre Roux trading as ASR INFOPRO, FR
10	211894	7270.6	1.09%	8	58165	UNGLEICH-PLACE18, CH
11	61625	6801.0	0.13%	1	6801
12	209898	5835.0	0.22%	2	11670	UNGLEICH-UNGLEICH-UPSTREAM, CH
13	211645	5599.0	0.10%	1	5599	SPG, DE
14	41701	5152.0	0.10%	1	5152	CAP-FIN-AS, FI
15	9287	4795.9	0.72%	8	38367	TIDCC-AS-AP True Internet Data Center Company Limited, TH
16	20915	4713.0	0.09%	1	4713	HUNDRED-PERCENT-IT, GB
17	30362	4646.0	0.09%	1	4646	HPT-ASN, US
18	265314	4487.0	0.08%	1	4487	Toolsoft Tecnologia Ltda, BR
19	214493	4411.0	0.08%	1	4411	FTSELL, DE
20	13780	4056.1	0.76%	10	40561	MILEHIGHWALRUS-NETWORK, US
21	199553	4010.7	0.45%	6	24064	UNGLEICH-PLACE5, CH
22	22616	4003.4	2.78%	37	148125	ZSCALER-SJC1, US
23	198090	3734.0	0.07%	1	3734	ASLIBRA, IT
24	44297	3643.0	0.07%	1	3643	ICODIA ICODIA NETWORK INTEGRITY, FR
25	24474	3637.5	0.14%	2	7275	ASNPANYCAST Nepal Internet Exchange NP Anycast, NP
26	138535	3393.3	0.19%	3	10180	FURDEVS-AS-AP Wu Qi, CN
27	11761	3342.0	0.06%	1	3342	KKCLOUD, US
28	204210	3155.2	0.35%	6	18931	ZEUSPACKAGINGLTD, IE
29	208812	2844.0	0.05%	1	2844	ONDRYA, US
30	213092	2760.4	0.62%	12	33125	MARBLEIS, GB
31	199235	2624.0	0.05%	1	2624	MIKROHALO-HU-AS, HU
32	149500	2561.0	0.19%	4	10244	SR-AS-AP Shane Renshaw, HK
33	39409	2521.7	0.33%	7	17652	SWG-MYROOTPW, AT
34	141145	2432.0	0.05%	1	2432	GIGANET-AS-ID PT Giga Digital Nusantara, ID
35	215084	2393.7	0.31%	7	16756	BINSAR-APIKU-, ID
36	211281	2352.7	0.31%	7	16469	NEOHOST-AS, RO
37	213801	2352.0	0.09%	2	4704	NATHANMOORE, US
38	400395	2301.0	0.04%	1	2301	HONGSHIN-AS-NA, US
39	147036	2294.0	0.04%	1	2294	HANARINLTD-AS-AP HANARIN LTD, KR
40	206493	2289.0	0.04%	1	2289	YUKI-SYSTEMS-AS Yuki Systems, US
41	215617	2287.0	0.04%	1	2287	HYPERGROUP-IX Hyper Group Internet Exchange HNIX Route Servers, GB
42	19330	2285.5	0.09%	2	4571	TRITAN-INTERNET-LLC, US
43	214092	2285.0	0.04%	1	2285	ZACHARY-EZETTA, US
44	401315	2279.0	0.04%	1	2279	INTEGRILOG-01, CA
45	399899	2278.0	0.04%	1	2278	LIGHTENING-SYSTEMS-AS, CA
46	394839	2274.0	0.04%	1	2274	TRITAN-INTERNET-LLC, US
47	139311	2269.0	0.09%	2	4538	STELLAIT-AS-AP Stella IT, KR
48	40138	2196.9	1.61%	39	85681	MDNET, US
49	10103	2151.3	0.48%	12	25816	HKBN-AS-AP HK Broadband Network Ltd., HK
50	200915	2051.0	0.12%
Total		1172111.3	34.51%

50 Most active Prefixes for the past 14 days

RANK	PREFIX	UPDs	%	Origin AS -- AS NAME
1	2a0f:85c1:8b9::/48	939875	16.82%	214028 -- MAHDI-UMRAN, ID
2	2a03:eec0:3212::/48	148085	2.65%	22616 -- ZSCALER-SJC1, US
3	2a06:2c80:4000::/36	66244	1.19%	203062 -- ALEXANDRE-ROUX-ASRINFOPRO Alexandre Roux trading as ASR INFOPRO, FR
4	2a06:2c87:e000::/36	54222	0.97%	203062 -- ALEXANDRE-ROUX-ASRINFOPRO Alexandre Roux trading as ASR INFOPRO, FR
5	2a02:1391:5100::/40	31348	0.56%	21351 -- CANALPLUSTELECOM, GP
6	2a06:2c82:8000::/33	30347	0.54%	203062 -- ALEXANDRE-ROUX-ASRINFOPRO Alexandre Roux trading as ASR INFOPRO, FR
7	2804:248:100::/40	23249	0.42%	28598 -- DB3 SERVICOS DE TELECOMUNICACOES S.A, BR
8	2a02:b48:83f3::/48	20883	0.37%	39572 -- ADVANCEDHOSTERS-AS, NL
9	2605:9c40::/32	20456	0.37%	23420 -- AS-DAVENPRO, US
10	2a0c:b641:302::/47	18919	0.34%	204210 -- ZEUSPACKAGINGLTD, IE
11	240d:c010:165::/48	18645	0.33%	139341 -- ACE-AS-AP ACE, SG
12	2806:202::/32	17986	0.32%	28458 -- IENTC S DE RL DE CV, MX
13	2a02:b48:83f1::/48	16782	0.30%	39572 -- ADVANCEDHOSTERS-AS, NL
14	2001:67c:20fc::/48	13943	0.25%	210564 -- SWANTZTER-AS, SE
15	2605:6480::/32	12761	0.23%	92 -- CLARKSON-AS, US
16	2607:74c0:110::/44	12697	0.23%	10103 -- HKBN-AS-AP HK Broadband Network Ltd., HK
17	2a0a:e5c0:76::/48	11657	0.21%	209898 -- UNGLEICH-UNGLEICH-UPSTREAM, CH
18	2602:fc09:aa::/48	10380	0.19%	13780 -- MILEHIGHWALRUS-NETWORK, US
19	2602:fc09:cc::/48	10291	0.18%	13780 -- MILEHIGHWALRUS-NETWORK, US
20	2610:a1:1028::/48	10282	0.18%	19905 -- SECURITYSERVICES, US
21	2a02:e982:15::/48	10195	0.18%	19551 -- INCAPSULA, US
22	2803:5d10::/32	10185	0.18%	272053 -- ANTUNES FLORES SERGIO OMAR NUEVA NET, AR
23	2406:840:e620::/48	10167	0.18%	138535 -- FURDEVS-AS-AP Wu Qi, CN
24	2602:fc09:dd::/48	10024	0.18%	13780 -- MILEHIGHWALRUS-NETWORK, US
25	2402:3a80:c00e::/48	9923	0.18%	38266 -- VIL-AS-AP Vodafone Idea Ltd, IN
26	2c0f:e8a8::/32	9907	0.18%	328631 -- BallitoISP, ZA
27	2602:fc09:bb::/48	9860	0.18%	13780 -- MILEHIGHWALRUS-NETWORK, US
28	2001:6b0:4::/48	9677	0.17%	2832 -- AS-SUNET-TESTBED, SE
29	2001:fb0:1002::/48	9603	0.17%	9287 -- TIDCC-AS-AP True Internet Data Center Company Limited, TH
30	2001:fb0:1000::/48	9491	0.17%	9287 -- TIDCC-AS-AP True Internet Data Center Company Limited, TH
31	2001:fb0:1001::/48	9459	0.17%	9287 -- TIDCC-AS-AP True Internet Data Center Company Limited, TH
32	2a03:90c0:7a0::/44	9085	0.16%	59437 -- NORTHERNDATA, DE
33	2a05:4140:316::/48	8480	0.15%	204508 -- MLGT, IT
34	2a05:4140:333::/48	8469	0.15%	204508 -- MLGT, IT
35	2804:20fc:2000::/36	8306	0.15%	264525 -- Coelho Tecnologia, BR
36	2a14:7583:2a80::/42	8221	0.15%	211281 -- NEOHOST-AS, RO
37	2a0b:4e07:29::/48	8197	0.15%	211281 -- NEOHOST-AS, RO
38	2a03:2100:18::/48	8194	0.15%	51559 -- NETINTERNET Netinternet Bilisim Teknolojileri AS, TR
39	2a03:2100:19::/48	8141	0.15%	51559 -- NETINTERNET Netinternet Bilisim Teknolojileri AS, TR
40	2a03:2100:15::/48	8037	0.14%	51559 -- NETINTERNET Netinternet Bilisim Teknolojileri AS, TR
41	2a03:2100:12::/48	8001	0.14%	51559 -- NETINTERNET Netinternet Bilisim Teknolojileri AS, TR
42	2a0a:5480:3::/48	7952	0.14%	211894 -- UNGLEICH-PLACE18, CH
43	2a0a:5480:5::/48	7951	0.14%	211894 -- UNGLEICH-PLACE18, CH
44	2a03:2100:13::/48	7902	0.14%	51559 -- NETINTERNET Netinternet Bilisim Teknolojileri AS, TR
45	2a03:2100:11::/48	7865	0.14%	51559 -- NETINTERNET Netinternet Bilisim Teknolojileri AS, TR
46	2a03:2100:14::/48	7831	0.14%	51559 -- NETINTERNET Netinternet Bilisim Teknolojileri AS, TR
47	2a03:2100:17::/48	7819	0.14%	51559 -- NETINTERNET Netinternet Bilisim Teknolojileri AS, TR
48	2a0a:5480:1ac::/48	7804	0.14%	211894 -- UNGLEICH-PLACE18, CH
49	2a03:2100:2c::/48	7800	0.14%	51559 -- NETINTERNET Netinternet Bilisim Teknolojileri AS, TR
50	2a0a:5480:4::/48	7733	0.14%	211894 -- UNGLEICH-PLACE18, CH
Total		1751331	31.34%

14 Day BGP Update Statistics Profile: 23-October-2025 00:00 - 6-November-2025 23:59 (UTC+1000)

Number of BGP Update Messages:	27438527
Number of Prefix Changes:	32020979
Number of Prefix Updates:	27438527
Number of Prefix Withdrawals:	4582452
Average Prefixes per BGP Update:	1.17
Average BGP Update Messages per second:	22.68
Average Prefix Updates per second:	26.47
Peak BGP Update Message Rate per second:	59099	(02:25:45 Tue, 4-Nov-2025)
Peak Prefix Update Rate per second:	59099	(02:25:45 Tue, 4-Nov-2025)
Peak Prefix Withdraw Rate per second:	791	(02:24:24 Tue, 4-Nov-2025, )
Number of RIB Prefix Updates:	5332855	(0.19 of recv'd updates)
Number of RIB Prefix Withdrawals:	256018	(0.06 of recv'd withdrawals)
Peak RIB Update Rate per second:	24521	(02:25:45 Tue, 4-Nov-2025)
Peak RIB Withdrawal Rate per second:	578	(02:24:24 Tue, 4-Nov-2025)
Seen Prefix Count:	250218
Updated Prefix Count:	250216
Stable Prefix Count:	2
Seen Origin AS Count:	35821
Updated Origin AS Count:	34776
Stable Origin AS Count:	1045
Seen Unique Path Count:	190815
Updated Path Count:	166202
Stable Path Count:	24613

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