The BGP IPv6 Instability Report

This report is updated daily. The current report
was generated on 6 November 2025 01:34 (UTC+1000)

50 Most active ASes for the past 14 days

RANK	ASN	UPDs	%	Prefixes	UPDs/Prefix	AS NAME
1	214028	943151	18.44%	1	943151.00	MAHDI-UMRAN, ID
2	202256	435956	8.52%	1201	362.99	LAWLIETNET, CN
3	203062	180117	3.52%	20	9005.85	ALEXANDRE-ROUX-ASRINFOPRO Alexandre Roux trading as ASR INFOPRO, FR
4	39891	172576	3.37%	2120	81.40	ALJAWWALSTC-AS, SA
5	22616	145719	2.85%	37	3938.35	ZSCALER-SJC1, US
6	199340	118187	2.31%	6141	19.25	HONG-GUANWAN, HK
7	51559	105630	2.06%	98	1077.86	NETINTERNET Netinternet Bilisim Teknolojileri AS, TR
8	16509	101342	1.98%	5510	18.39	AMAZON-02, US
9	40138	84615	1.65%	39	2169.62	MDNET, US
10	7552	43203	0.84%	3958	10.92	VIETEL-AS-AP Viettel Group, VN
11	12041	41423	0.81%	228	181.68	AS-AFILIAS1, US
12	13780	40589	0.79%	10	4058.90	MILEHIGHWALRUS-NETWORK, US
13	39572	37876	0.74%	33	1147.76	ADVANCEDHOSTERS-AS, NL
14	22724	36226	0.71%	143	253.33	PUNTONET S.A., EC
15	38266	32710	0.64%	1380	23.70	VIL-AS-AP Vodafone Idea Ltd, IN
16	19551	31859	0.62%	703	45.32	INCAPSULA, US
17	21351	31456	0.61%	17	1850.35	CANALPLUSTELECOM, GP
18	211894	31335	0.61%	13	2410.38	UNGLEICH-PLACE18, CH
19	213092	30439	0.59%	12	2536.58	MARBLEIS, GB
20	204508	28071	0.55%	18	1559.50	MLGT, IT
21	55960	27650	0.54%	34	813.24	BJ-GUANGHUAN-AP Beijing Guanghuan Xinwang Digital, CN
22	199553	24767	0.48%	6	4127.83	UNGLEICH-PLACE5, CH
23	13335	24388	0.48%	3028	8.05	CLOUDFLARENET, US
24	28598	23531	0.46%	14	1680.79	DB3 SERVICOS DE TELECOMUNICACOES S.A, BR
25	267943	23449	0.46%	16	1465.56	SOL PROVEDOR DE INTERNETE LTDA - ME, BR
26	139341	22383	0.44%	168	133.23	ACE-AS-AP ACE, SG
27	23420	20586	0.40%	1	20586.00	AS-DAVENPRO, US
28	215084	20569	0.40%	7	2938.43	BINSAR-APIKU-, ID
29	204210	20418	0.40%	6	3403.00	ZEUSPACKAGINGLTD, IE
30	39409	20371	0.40%	7	2910.14	SWG-MYROOTPW, AT
31	17072	20256	0.40%	1405	14.42	TOTAL PLAY TELECOMUNICACIONES SA DE CV, MX
32	36351	19370	0.38%	71	272.82	SOFTLAYER, US
33	393577	18932	0.37%	8	2366.50	TRITAN-DEVELOPMENT, US
34	200334	18750	0.37%	6	3125.00	NETOPS-TR netops lab Network Operations Center, TR
35	28458	17875	0.35%	2	8937.50	IENTC S DE RL DE CV, MX
36	211281	17797	0.35%	7	2542.43	NEOHOST-AS, RO
37	28573	15294	0.30%	1625	9.41	Claro NXT Telecomunicacoes Ltda, BR
38	45899	14995	0.29%	331	45.30	VNPT-AS-VN VNPT Corp, VN
39	63949	14992	0.29%	94	159.49	AKAMAI-LINODE-AP Akamai Connected Cloud, SG
40	21664	14776	0.29%	36	410.44	AMZN-BYOASN, US
41	10103	14447	0.28%	12	1203.92	HKBN-AS-AP HK Broadband Network Ltd., HK
42	92	14390	0.28%	1	14390.00	CLARKSON-AS, US
43	210564	14106	0.28%	1	14106.00	SWANTZTER-AS, SE
44	265500	11953	0.23%	10	1195.30	ALMEIRIM TELECOM LTDA - ME, BR
45	262448	11714	0.23%	20	585.70	DIALHOST INTERNET EIRELI, BR
46	263262	11641	0.23%	21	554.33	MOV TELECOM LTDA, BR
47	4601	11477	0.22%	2048	5.60	DNET DaKnObNET, GR
48	215527	11373	0.22%	8	1421.62	XERONET -_._-, GB
49	215956	11123	0.22%	36	308.97	MYIP-AS MyIP.be ~ AS215956, BE
50	51202	10999	0.21%	12	916.58	NUXOA, DE
Total		3196852	62.46%

50 Most active ASes for the past 14 days

RANK	ASN	UPDs/Prefix	%	Prefixes	UPDs	AS NAME
1	214028	943151.0	18.44%	1	943151	MAHDI-UMRAN, ID
2	23420	20586.0	0.40%	1	20586	AS-DAVENPRO, US
3	92	14390.0	0.28%	1	14390	CLARKSON-AS, US
4	210564	14106.0	0.28%	1	14106	SWANTZTER-AS, SE
5	272053	10469.0	0.20%	1	10469	ANTUNES FLORES SERGIO OMAR NUEVA NET, AR
6	328631	9939.0	0.19%	1	9939	BallitoISP, ZA
7	2832	9850.0	0.19%	1	9850	AS-SUNET-TESTBED, SE
8	203062	9005.9	3.52%	20	180117	ALEXANDRE-ROUX-ASRINFOPRO Alexandre Roux trading as ASR INFOPRO, FR
9	28458	8937.5	0.35%	2	17875	IENTC S DE RL DE CV, MX
10	61625	6875.0	0.13%	1	6875
11	211645	5730.0	0.11%	1	5730	SPG, DE
12	41701	5378.0	0.11%	1	5378	CAP-FIN-AS, FI
13	214493	5092.0	0.10%	1	5092	FTSELL, DE
14	209898	5057.5	0.20%	2	10115	UNGLEICH-UNGLEICH-UPSTREAM, CH
15	20915	4784.0	0.09%	1	4784	HUNDRED-PERCENT-IT, GB
16	141145	4749.0	0.09%	1	4749	GIGANET-AS-ID PT Giga Digital Nusantara, ID
17	30362	4316.0	0.08%	1	4316	HPT-ASN, US
18	199553	4127.8	0.48%	6	24767	UNGLEICH-PLACE5, CH
19	13780	4058.9	0.79%	10	40589	MILEHIGHWALRUS-NETWORK, US
20	44297	4031.0	0.08%	1	4031	ICODIA ICODIA NETWORK INTEGRITY, FR
21	22616	3938.4	2.85%	37	145719	ZSCALER-SJC1, US
22	198090	3729.0	0.07%	1	3729	ASLIBRA, IT
23	24474	3592.0	0.14%	2	7184	ASNPANYCAST Nepal Internet Exchange NP Anycast, NP
24	138535	3438.0	0.20%	3	10314	FURDEVS-AS-AP Wu Qi, CN
25	204210	3403.0	0.40%	6	20418	ZEUSPACKAGINGLTD, IE
26	208812	3341.0	0.07%	1	3341	ONDRYA, US
27	200334	3125.0	0.37%	6	18750	NETOPS-TR netops lab Network Operations Center, TR
28	11761	3037.0	0.06%	1	3037	KKCLOUD, US
29	215084	2938.4	0.40%	7	20569	BINSAR-APIKU-, ID
30	39409	2910.1	0.40%	7	20371	SWG-MYROOTPW, AT
31	213801	2896.5	0.11%	2	5793	NATHANMOORE, US
32	400395	2863.0	0.06%	1	2863	HONGSHIN-AS-NA, US
33	147036	2855.0	0.06%	1	2855	HANARINLTD-AS-AP HANARIN LTD, KR
34	206493	2854.0	0.06%	1	2854	YUKI-SYSTEMS-AS Yuki Systems, US
35	215617	2845.0	0.06%	1	2845	HYPERGROUP-IX Hyper Group Internet Exchange HNIX Route Servers, GB
36	19330	2845.0	0.11%	2	5690	TRITAN-INTERNET-LLC, US
37	214092	2845.0	0.06%	1	2845	ZACHARY-EZETTA, US
38	401315	2843.0	0.06%	1	2843	INTEGRILOG-01, CA
39	399899	2833.0	0.06%	1	2833	LIGHTENING-SYSTEMS-AS, CA
40	394839	2832.0	0.06%	1	2832	TRITAN-INTERNET-LLC, US
41	271076	2692.0	0.05%	1	2692	ILKACY MOREIRA DE JESUS, BR
42	271915	2660.0	0.05%	1	2660	TECNOLOGICA SIMEON COMPANY CHILE SPA, CL
43	139311	2648.5	0.10%	2	5297	STELLAIT-AS-AP Stella IT, KR
44	211281	2542.4	0.35%	7	17797	NEOHOST-AS, RO
45	213092	2536.6	0.59%	12	30439	MARBLEIS, GB
46	208790	2489.0	0.05%	1	2489	STEPAN-DUDA, CZ
47	199678	2462.0	0.05%	1	2462	AS-6RW-, RU
48	199235	2461.0	0.05%	1	2461	MIKROHALO-HU-AS, HU
49	211894	2410.4	0.61%	13	31335	UNGLEICH-PLACE18, CH
50	393577	2366.5	0.37%
Total		1181865.4	34.04%

50 Most active Prefixes for the past 14 days

RANK	PREFIX	UPDs	%	Origin AS -- AS NAME
1	2a0f:85c1:8b9::/48	943151	17.56%	214028 -- MAHDI-UMRAN, ID
2	2a03:eec0:3212::/48	145680	2.71%	22616 -- ZSCALER-SJC1, US
3	2a06:2c80:4000::/36	80232	1.49%	203062 -- ALEXANDRE-ROUX-ASRINFOPRO Alexandre Roux trading as ASR INFOPRO, FR
4	2a06:2c87:e000::/36	69418	1.29%	203062 -- ALEXANDRE-ROUX-ASRINFOPRO Alexandre Roux trading as ASR INFOPRO, FR
5	2a02:1391:5100::/40	31424	0.58%	21351 -- CANALPLUSTELECOM, GP
6	2a06:2c82:8000::/33	30347	0.56%	203062 -- ALEXANDRE-ROUX-ASRINFOPRO Alexandre Roux trading as ASR INFOPRO, FR
7	2804:248:100::/40	23332	0.43%	28598 -- DB3 SERVICOS DE TELECOMUNICACOES S.A, BR
8	2a02:b48:83f3::/48	20955	0.39%	39572 -- ADVANCEDHOSTERS-AS, NL
9	2605:9c40::/32	20586	0.38%	23420 -- AS-DAVENPRO, US
10	2a0c:b641:302::/47	20370	0.38%	204210 -- ZEUSPACKAGINGLTD, IE
11	240d:c010:165::/48	18825	0.35%	139341 -- ACE-AS-AP ACE, SG
12	2806:202::/32	17874	0.33%	28458 -- IENTC S DE RL DE CV, MX
13	2a02:b48:83f1::/48	16645	0.31%	39572 -- ADVANCEDHOSTERS-AS, NL
14	2605:6480::/32	14390	0.27%	92 -- CLARKSON-AS, US
15	2001:67c:20fc::/48	14107	0.26%	210564 -- SWANTZTER-AS, SE
16	2a03:90c0:7a0::/44	10922	0.20%	59437 -- NORTHERNDATA, DE
17	2803:5d10::/32	10470	0.19%	272053 -- ANTUNES FLORES SERGIO OMAR NUEVA NET, AR
18	2602:fc09:aa::/48	10420	0.19%	13780 -- MILEHIGHWALRUS-NETWORK, US
19	2610:a1:1028::/48	10357	0.19%	19905 -- SECURITYSERVICES, US
20	2406:840:e620::/48	10304	0.19%	138535 -- FURDEVS-AS-AP Wu Qi, CN
21	2602:fc09:cc::/48	10264	0.19%	13780 -- MILEHIGHWALRUS-NETWORK, US
22	2a02:e982:15::/48	10195	0.19%	19551 -- INCAPSULA, US
23	2a0a:e5c0:76::/48	10105	0.19%	209898 -- UNGLEICH-UNGLEICH-UPSTREAM, CH
24	2602:fc09:dd::/48	10017	0.19%	13780 -- MILEHIGHWALRUS-NETWORK, US
25	2c0f:e8a8::/32	9939	0.19%	328631 -- BallitoISP, ZA
26	2602:fc09:bb::/48	9882	0.18%	13780 -- MILEHIGHWALRUS-NETWORK, US
27	2001:6b0:4::/48	9850	0.18%	2832 -- AS-SUNET-TESTBED, SE
28	2600:3c0f:56::/48	9772	0.18%	63949 -- AKAMAI-LINODE-AP Akamai Connected Cloud, SG
29	2602:feda:b8c::/48	9381	0.17%	200334 -- NETOPS-TR netops lab Network Operations Center, TR
30	2804:20fc:2000::/36	8941	0.17%	264525 -- Coelho Tecnologia, BR
31	2a14:7583:2a80::/42	8882	0.17%	211281 -- NEOHOST-AS, RO
32	2402:3a80:c00e::/48	8863	0.16%	38266 -- VIL-AS-AP Vodafone Idea Ltd, IN
33	2a0b:4e07:29::/48	8861	0.16%	211281 -- NEOHOST-AS, RO
34	2a0f:6580:104::/48	8776	0.16%	200334 -- NETOPS-TR netops lab Network Operations Center, TR
35	2a0a:e5c0:45::/48	7622	0.14%	199553 -- UNGLEICH-PLACE5, CH
36	2a0a:e5c1:517::/48	7620	0.14%	199553 -- UNGLEICH-PLACE5, CH
37	2a0a:e5c0:16::/48	7620	0.14%	199553 -- UNGLEICH-PLACE5, CH
38	2400:58a0:1003::/48	7041	0.13%	149500 -- SR-AS-AP Shane Renshaw, HK
39	2001:1260:103::/48	7013	0.13%	13591 -- Mexico Red de Telecomunicaciones, S. de R.L. de C.V., MX
40	2a03:2100:2b::/48	6902	0.13%	51559 -- NETINTERNET Netinternet Bilisim Teknolojileri AS, TR
41	2804:9524::/32	6875	0.13%	61625 --
42	2a03:2100:26::/48	6820	0.13%	51559 -- NETINTERNET Netinternet Bilisim Teknolojileri AS, TR
43	2a03:2100:2a::/48	6819	0.13%	51559 -- NETINTERNET Netinternet Bilisim Teknolojileri AS, TR
44	2a03:2100:24::/48	6761	0.13%	51559 -- NETINTERNET Netinternet Bilisim Teknolojileri AS, TR
45	2a03:2100:25::/48	6729	0.13%	51559 -- NETINTERNET Netinternet Bilisim Teknolojileri AS, TR
46	2a03:2100:23::/48	6715	0.12%	51559 -- NETINTERNET Netinternet Bilisim Teknolojileri AS, TR
47	2a03:2100:27::/48	6715	0.12%	51559 -- NETINTERNET Netinternet Bilisim Teknolojileri AS, TR
48	2a05:4140:316::/48	6262	0.12%	204508 -- MLGT, IT
49	2a05:4140:333::/48	6237	0.12%	204508 -- MLGT, IT
50	2a05:4140:380::/42	6233	0.12%	204508 -- MLGT, IT
Total		1763521	32.79%

14 Day BGP Update Statistics Profile: 22-October-2025 00:00 - 5-November-2025 23:59 (UTC+1000)

Number of BGP Update Messages:	27900549
Number of Prefix Changes:	32563532
Number of Prefix Updates:	27900549
Number of Prefix Withdrawals:	4662983
Average Prefixes per BGP Update:	1.17
Average BGP Update Messages per second:	23.07
Average Prefix Updates per second:	26.92
Peak BGP Update Message Rate per second:	59098	(02:25:45 Tue, 4-Nov-2025)
Peak Prefix Update Rate per second:	59098	(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:	5115912	(0.18 of recv'd updates)
Number of RIB Prefix Withdrawals:	256374	(0.05 of recv'd withdrawals)
Peak RIB Update Rate per second:	36091	(03:38:18 Thu, 23-Oct-2025)
Peak RIB Withdrawal Rate per second:	571	(02:24:24 Tue, 4-Nov-2025)
Seen Prefix Count:	250147
Updated Prefix Count:	250145
Stable Prefix Count:	2
Seen Origin AS Count:	35817
Updated Origin AS Count:	35810
Stable Origin AS Count:	7
Seen Unique Path Count:	182033
Updated Path Count:	166281
Stable Path Count:	15752

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