The BGP IPv6 Instability Report

This report is updated daily. The current report
was generated on 5 November 2025 01:36 (UTC+1000)

50 Most active ASes for the past 14 days

RANK	ASN	UPDs	%	Prefixes	UPDs/Prefix	AS NAME
1	214028	930174	17.36%	1	930174.00	MAHDI-UMRAN, ID
2	202256	433668	8.09%	1240	349.73	LAWLIETNET, CN
3	7552	275856	5.15%	3958	69.70	VIETEL-AS-AP Viettel Group, VN
4	203062	177662	3.32%	20	8883.10	ALEXANDRE-ROUX-ASRINFOPRO Alexandre Roux trading as ASR INFOPRO, FR
5	39891	172112	3.21%	2120	81.18	ALJAWWALSTC-AS, SA
6	22616	137484	2.57%	37	3715.78	ZSCALER-SJC1, US
7	51559	119912	2.24%	98	1223.59	NETINTERNET Netinternet Bilisim Teknolojileri AS, TR
8	199340	116570	2.18%	6143	18.98	HONG-GUANWAN, HK
9	16509	101801	1.90%	5510	18.48	AMAZON-02, US
10	40138	84127	1.57%	39	2157.10	MDNET, US
11	12041	38848	0.73%	228	170.39	AS-AFILIAS1, US
12	13780	38802	0.72%	10	3880.20	MILEHIGHWALRUS-NETWORK, US
13	39572	38229	0.71%	33	1158.45	ADVANCEDHOSTERS-AS, NL
14	22724	36563	0.68%	144	253.91	PUNTONET S.A., EC
15	21351	31889	0.60%	17	1875.82	CANALPLUSTELECOM, GP
16	213092	31682	0.59%	12	2640.17	MARBLEIS, GB
17	211894	31656	0.59%	13	2435.08	UNGLEICH-PLACE18, CH
18	204508	31014	0.58%	18	1723.00	MLGT, IT
19	38266	30337	0.57%	1380	21.98	VIL-AS-AP Vodafone Idea Ltd, IN
20	55960	29655	0.55%	34	872.21	BJ-GUANGHUAN-AP Beijing Guanghuan Xinwang Digital, CN
21	199553	25832	0.48%	6	4305.33	UNGLEICH-PLACE5, CH
22	215084	24437	0.46%	7	3491.00	BINSAR-APIKU-, ID
23	36351	23406	0.44%	71	329.66	SOFTLAYER, US
24	28598	23323	0.44%	14	1665.93	DB3 SERVICOS DE TELECOMUNICACOES S.A, BR
25	39409	23108	0.43%	7	3301.14	SWG-MYROOTPW, AT
26	13335	22991	0.43%	3023	7.61	CLOUDFLARENET, US
27	393577	22958	0.43%	8	2869.75	TRITAN-DEVELOPMENT, US
28	204210	21928	0.41%	6	3654.67	ZEUSPACKAGINGLTD, IE
29	63949	21484	0.40%	94	228.55	AKAMAI-LINODE-AP Akamai Connected Cloud, SG
30	19551	21165	0.40%	703	30.11	INCAPSULA, US
31	23420	20759	0.39%	1	20759.00	AS-DAVENPRO, US
32	17072	20737	0.39%	1405	14.76	TOTAL PLAY TELECOMUNICACIONES SA DE CV, MX
33	139341	20565	0.38%	168	122.41	ACE-AS-AP ACE, SG
34	204527	20180	0.38%	11	1834.55	BJNIP, DE
35	211281	19406	0.36%	7	2772.29	NEOHOST-AS, RO
36	200334	18703	0.35%	6	3117.17	NETOPS-TR netops lab Network Operations Center, TR
37	28458	17588	0.33%	2	8794.00	IENTC S DE RL DE CV, MX
38	45899	16647	0.31%	331	50.29	VNPT-AS-VN VNPT Corp, VN
39	28573	16342	0.31%	1625	10.06	Claro NXT Telecomunicacoes Ltda, BR
40	92	15521	0.29%	1	15521.00	CLARKSON-AS, US
41	21664	14819	0.28%	36	411.64	AMZN-BYOASN, US
42	210564	14121	0.26%	1	14121.00	SWANTZTER-AS, SE
43	215956	13996	0.26%	36	388.78	MYIP-AS MyIP.be ~ AS215956, BE
44	10103	13906	0.26%	12	1158.83	HKBN-AS-AP HK Broadband Network Ltd., HK
45	59437	12697	0.24%	9	1410.78	NORTHERNDATA, DE
46	45271	12184	0.23%	1257	9.69	VIL-AS-AP Vodafone Idea Ltd, IN
47	206067	11775	0.22%	57	206.58	H3GUK, GB
48	273454	11625	0.22%	3	3875.00	TELVIA TELECOMUNICACOES LTDA, BR
49	2832	11531	0.22%	1	11531.00	AS-SUNET-TESTBED, SE
50	4601	11449	0.21%	2047	5.59	DNET DaKnObNET, GR
Total		3433224	64.12%

50 Most active ASes for the past 14 days

RANK	ASN	UPDs/Prefix	%	Prefixes	UPDs	AS NAME
1	214028	930174.0	17.36%	1	930174	MAHDI-UMRAN, ID
2	23420	20759.0	0.39%	1	20759	AS-DAVENPRO, US
3	92	15521.0	0.29%	1	15521	CLARKSON-AS, US
4	210564	14121.0	0.26%	1	14121	SWANTZTER-AS, SE
5	2832	11531.0	0.22%	1	11531	AS-SUNET-TESTBED, SE
6	328631	9805.0	0.18%	1	9805	BallitoISP, ZA
7	272053	9568.0	0.18%	1	9568	ANTUNES FLORES SERGIO OMAR NUEVA NET, AR
8	203062	8883.1	3.32%	20	177662	ALEXANDRE-ROUX-ASRINFOPRO Alexandre Roux trading as ASR INFOPRO, FR
9	28458	8794.0	0.33%	2	17588	IENTC S DE RL DE CV, MX
10	61625	6881.0	0.13%	1	6881
11	214493	5776.0	0.11%	1	5776	FTSELL, DE
12	211645	5609.0	0.10%	1	5609	SPG, DE
13	41701	5347.0	0.10%	1	5347	CAP-FIN-AS, FI
14	209898	5052.5	0.19%	2	10105	UNGLEICH-UNGLEICH-UPSTREAM, CH
15	265314	4698.0	0.09%	1	4698	Toolsoft Tecnologia Ltda, BR
16	20915	4592.0	0.09%	1	4592	HUNDRED-PERCENT-IT, GB
17	141145	4489.0	0.08%	1	4489	GIGANET-AS-ID PT Giga Digital Nusantara, ID
18	44297	4347.0	0.08%	1	4347	ICODIA ICODIA NETWORK INTEGRITY, FR
19	199553	4305.3	0.48%	6	25832	UNGLEICH-PLACE5, CH
20	30362	3928.0	0.07%	1	3928	HPT-ASN, US
21	13780	3880.2	0.72%	10	38802	MILEHIGHWALRUS-NETWORK, US
22	273454	3875.0	0.22%	3	11625	TELVIA TELECOMUNICACOES LTDA, BR
23	208812	3829.0	0.07%	1	3829	ONDRYA, US
24	198090	3726.0	0.07%	1	3726	ASLIBRA, IT
25	22616	3715.8	2.57%	37	137484	ZSCALER-SJC1, US
26	204210	3654.7	0.41%	6	21928	ZEUSPACKAGINGLTD, IE
27	24474	3570.0	0.13%	2	7140	ASNPANYCAST Nepal Internet Exchange NP Anycast, NP
28	215084	3491.0	0.46%	7	24437	BINSAR-APIKU-, ID
29	213801	3463.5	0.13%	2	6927	NATHANMOORE, US
30	400395	3438.0	0.06%	1	3438	HONGSHIN-AS-NA, US
31	138535	3431.0	0.19%	3	10293	FURDEVS-AS-AP Wu Qi, CN
32	147036	3430.0	0.06%	1	3430	HANARINLTD-AS-AP HANARIN LTD, KR
33	206493	3424.0	0.06%	1	3424	YUKI-SYSTEMS-AS Yuki Systems, US
34	215617	3423.0	0.06%	1	3423	HYPERGROUP-IX Hyper Group Internet Exchange HNIX Route Servers, GB
35	214092	3420.0	0.06%	1	3420	ZACHARY-EZETTA, US
36	19330	3420.0	0.13%	2	6840	TRITAN-INTERNET-LLC, US
37	394839	3409.0	0.06%	1	3409	TRITAN-INTERNET-LLC, US
38	399899	3408.0	0.06%	1	3408	LIGHTENING-SYSTEMS-AS, CA
39	39409	3301.1	0.43%	7	23108	SWG-MYROOTPW, AT
40	271076	3277.0	0.06%	1	3277	ILKACY MOREIRA DE JESUS, BR
41	200334	3117.2	0.35%	6	18703	NETOPS-TR netops lab Network Operations Center, TR
42	139311	3019.0	0.11%	2	6038	STELLAIT-AS-AP Stella IT, KR
43	393577	2869.8	0.43%	8	22958	TRITAN-DEVELOPMENT, US
44	211281	2772.3	0.36%	7	19406	NEOHOST-AS, RO
45	199678	2729.0	0.05%	1	2729	AS-6RW-, RU
46	11761	2726.0	0.05%	1	2726	KKCLOUD, US
47	213092	2640.2	0.59%	12	31682	MARBLEIS, GB
48	208790	2575.0	0.05%	1	2575	STEPAN-DUDA, CZ
49	211894	2435.1	0.59%	13	31656	UNGLEICH-PLACE18, CH
50	30083	2278.3	0.13%
Total		1181929.1	32.77%

50 Most active Prefixes for the past 14 days

RANK	PREFIX	UPDs	%	Origin AS -- AS NAME
1	2a0f:85c1:8b9::/48	930174	16.58%	214028 -- MAHDI-UMRAN, ID
2	2a03:eec0:3212::/48	137445	2.45%	22616 -- ZSCALER-SJC1, US
3	2a06:2c80:4000::/36	82005	1.46%	203062 -- ALEXANDRE-ROUX-ASRINFOPRO Alexandre Roux trading as ASR INFOPRO, FR
4	2a06:2c87:e000::/36	65191	1.16%	203062 -- ALEXANDRE-ROUX-ASRINFOPRO Alexandre Roux trading as ASR INFOPRO, FR
5	2a02:1391:5100::/40	31858	0.57%	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	23126	0.41%	28598 -- DB3 SERVICOS DE TELECOMUNICACOES S.A, BR
8	2a02:b48:83f3::/48	22092	0.39%	39572 -- ADVANCEDHOSTERS-AS, NL
9	2a0c:b641:302::/47	21881	0.39%	204210 -- ZEUSPACKAGINGLTD, IE
10	2605:9c40::/32	20759	0.37%	23420 -- AS-DAVENPRO, US
11	2a07:db01:40::/42	20018	0.36%	204527 -- BJNIP, DE
12	240d:c010:165::/48	18451	0.33%	139341 -- ACE-AS-AP ACE, SG
13	2806:202::/32	17587	0.31%	28458 -- IENTC S DE RL DE CV, MX
14	2a02:b48:83f1::/48	15845	0.28%	39572 -- ADVANCEDHOSTERS-AS, NL
15	2605:6480::/32	15521	0.28%	92 -- CLARKSON-AS, US
16	2001:67c:20fc::/48	14121	0.25%	210564 -- SWANTZTER-AS, SE
17	2600:3c0f:56::/48	13069	0.23%	63949 -- AKAMAI-LINODE-AP Akamai Connected Cloud, SG
18	2a03:90c0:7a0::/44	12659	0.23%	59437 -- NORTHERNDATA, DE
19	2001:6b0:4::/48	11531	0.21%	2832 -- AS-SUNET-TESTBED, SE
20	2610:a1:1028::/48	10382	0.19%	19905 -- SECURITYSERVICES, US
21	2406:840:e620::/48	10284	0.18%	138535 -- FURDEVS-AS-AP Wu Qi, CN
22	2a02:e982:15::/48	10195	0.18%	19551 -- INCAPSULA, US
23	2a0a:e5c0:76::/48	10094	0.18%	209898 -- UNGLEICH-UNGLEICH-UPSTREAM, CH
24	2602:fc09:aa::/48	9953	0.18%	13780 -- MILEHIGHWALRUS-NETWORK, US
25	2c0f:e8a8::/32	9805	0.17%	328631 -- BallitoISP, ZA
26	2602:fc09:cc::/48	9797	0.17%	13780 -- MILEHIGHWALRUS-NETWORK, US
27	2602:fc09:dd::/48	9601	0.17%	13780 -- MILEHIGHWALRUS-NETWORK, US
28	2a14:7583:2a80::/42	9596	0.17%	211281 -- NEOHOST-AS, RO
29	2803:5d10::/32	9568	0.17%	272053 -- ANTUNES FLORES SERGIO OMAR NUEVA NET, AR
30	2a0b:4e07:29::/48	9532	0.17%	211281 -- NEOHOST-AS, RO
31	2602:fc09:bb::/48	9449	0.17%	13780 -- MILEHIGHWALRUS-NETWORK, US
32	2602:feda:b8c::/48	9343	0.17%	200334 -- NETOPS-TR netops lab Network Operations Center, TR
33	2a0f:6580:104::/48	8759	0.16%	200334 -- NETOPS-TR netops lab Network Operations Center, TR
34	2402:3a80:c00e::/48	8336	0.15%	38266 -- VIL-AS-AP Vodafone Idea Ltd, IN
35	2600:3c0f:57::/48	8235	0.15%	63949 -- AKAMAI-LINODE-AP Akamai Connected Cloud, SG
36	2a0a:5480:1ac::/48	7733	0.14%	211894 -- UNGLEICH-PLACE18, CH
37	2a0a:e5c0:45::/48	7605	0.14%	199553 -- UNGLEICH-PLACE5, CH
38	2a0a:e5c0:16::/48	7604	0.14%	199553 -- UNGLEICH-PLACE5, CH
39	2a0a:e5c1:517::/48	7603	0.14%	199553 -- UNGLEICH-PLACE5, CH
40	2a05:4140:380::/42	7027	0.13%	204508 -- MLGT, IT
41	2400:58a0:1003::/48	7022	0.13%	149500 -- SR-AS-AP Shane Renshaw, HK
42	2a05:4140:333::/48	7003	0.12%	204508 -- MLGT, IT
43	2a05:4140:316::/48	6995	0.12%	204508 -- MLGT, IT
44	2a05:4140:304::/48	6935	0.12%	204508 -- MLGT, IT
45	2804:9524::/32	6882	0.12%	61625 --
46	2605:de00:bb::/48	6833	0.12%	30083 -- AS-30083-US-VELIA-NET, DE
47	2a03:2100:1c::/48	6798	0.12%	51559 -- NETINTERNET Netinternet Bilisim Teknolojileri AS, TR
48	2a03:2100:26::/48	6769	0.12%	51559 -- NETINTERNET Netinternet Bilisim Teknolojileri AS, TR
49	2a03:2100:28::/48	6754	0.12%	51559 -- NETINTERNET Netinternet Bilisim Teknolojileri AS, TR
50	2a03:2100:1f::/48	6736	0.12%	51559 -- NETINTERNET Netinternet Bilisim Teknolojileri AS, TR
Total		1762908	31.43%

14 Day BGP Update Statistics Profile: 21-October-2025 00:00 - 4-November-2025 23:59 (UTC+1000)

Number of BGP Update Messages:	28075638
Number of Prefix Changes:	32820134
Number of Prefix Updates:	28075638
Number of Prefix Withdrawals:	4744496
Average Prefixes per BGP Update:	1.17
Average BGP Update Messages per second:	23.21
Average Prefix Updates per second:	27.13
Peak BGP Update Message Rate per second:	58539	(02:25:45 Tue, 4-Nov-2025)
Peak Prefix Update Rate per second:	58539	(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:	5357996	(0.19 of recv'd updates)
Number of RIB Prefix Withdrawals:	253517	(0.05 of recv'd withdrawals)
Peak RIB Update Rate per second:	32161	(03:38:18 Thu, 23-Oct-2025)
Peak RIB Withdrawal Rate per second:	560	(02:24:24 Tue, 4-Nov-2025)
Seen Prefix Count:	250043
Updated Prefix Count:	250041
Stable Prefix Count:	2
Seen Origin AS Count:	35815
Updated Origin AS Count:	35806
Stable Origin AS Count:	9
Seen Unique Path Count:	184934
Updated Path Count:	167182
Stable Path Count:	17752

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