The BGP IPv6 Instability Report

This report is updated daily. The current report
was generated on 23 October 2025 01:33 (UTC+1000)

50 Most active ASes for the past 14 days

RANK	ASN	UPDs	%	Prefixes	UPDs/Prefix	AS NAME
1	214028	764949	15.48%	1	764949.00	MAHDI-UMRAN, ID
2	202256	381873	7.73%	1300	293.75	LAWLIETNET, CN
3	203062	316259	6.40%	19	16645.21	ALEXANDRE-ROUX-ASRINFOPRO Alexandre Roux trading as ASR INFOPRO, FR
4	51559	227296	4.60%	98	2319.35	NETINTERNET Netinternet Bilisim Teknolojileri AS, TR
5	7552	119208	2.41%	3959	30.11	VIETEL-AS-AP Viettel Group, VN
6	22616	118459	2.40%	36	3290.53	ZSCALER-SJC1, US
7	16509	96279	1.95%	5551	17.34	AMAZON-02, US
8	40138	88745	1.80%	39	2275.51	MDNET, US
9	38266	72862	1.47%	1367	53.30	VIL-AS-AP Vodafone Idea Ltd, IN
10	211479	59388	1.20%	3	19796.00	N0EMIS-AS, DE
11	53667	50675	1.03%	5958	8.51	PONYNET, US
12	215171	40839	0.83%	5	8167.80	PT. DETROIT NETWORK INDONESIA, ID
13	199553	39179	0.79%	6	6529.83	UNGLEICH-PLACE5, CH
14	36351	38550	0.78%	71	542.96	SOFTLAYER, US
15	39409	38509	0.78%	7	5501.29	SWG-MYROOTPW, AT
16	213092	35052	0.71%	12	2921.00	MARBLEIS, GB
17	199340	34455	0.70%	3072	11.22	HONG-GUANWAN, HK
18	215084	33260	0.67%	7	4751.43	BINSAR-APIKU-, ID
19	19551	32256	0.65%	706	45.69	INCAPSULA, US
20	393577	32214	0.65%	7	4602.00	TRITAN-DEVELOPMENT, US
21	21351	32080	0.65%	17	1887.06	CANALPLUSTELECOM, GP
22	211894	31324	0.63%	7	4474.86	UNGLEICH-PLACE18, CH
23	28598	30998	0.63%	14	2214.14	DB3 SERVICOS DE TELECOMUNICACOES S.A, BR
24	12041	30755	0.62%	229	134.30	AS-AFILIAS1, US
25	13780	29217	0.59%	10	2921.70	MILEHIGHWALRUS-NETWORK, US
26	211281	28451	0.58%	7	4064.43	NEOHOST-AS, RO
27	28573	24341	0.49%	1575	15.45	Claro NXT Telecomunicacoes Ltda, BR
28	39572	23385	0.47%	33	708.64	ADVANCEDHOSTERS-AS, NL
29	204210	22736	0.46%	6	3789.33	ZEUSPACKAGINGLTD, IE
30	45271	22320	0.45%	1311	17.03	VIL-AS-AP Vodafone Idea Ltd, IN
31	55960	22307	0.45%	34	656.09	BJ-GUANGHUAN-AP Beijing Guanghuan Xinwang Digital, CN
32	13335	21995	0.45%	2974	7.40	CLOUDFLARENET, US
33	2832	21899	0.44%	1	21899.00	AS-SUNET-TESTBED, SE
34	263137	21655	0.44%	15	1443.67	YUNE NET TELECOMUNICACOES LTDA, BR
35	23420	21304	0.43%	1	21304.00	AS-DAVENPRO, US
36	11172	19488	0.39%	2737	7.12	Alestra, S. de R.L. de C.V., MX
37	30083	19354	0.39%	3	6451.33	AS-30083-US-VELIA-NET, DE
38	215527	19007	0.38%	8	2375.88	XERONET -_._-, GB
39	28458	16842	0.34%	2	8421.00	IENTC S DE RL DE CV, MX
40	59437	16049	0.32%	8	2006.12	NORTHERNDATA, DE
41	198351	15793	0.32%	32	493.53	SECUREWAN, GB
42	210564	14649	0.30%	1	14649.00	SWANTZTER-AS, SE
43	214731	14259	0.29%	38	375.24	ETO-AS, GB
44	136873	14054	0.28%	8	1756.75	MEGADATA-AS-ID MEGADATA-ISP, ID
45	21664	13960	0.28%	36	387.78	AMZN-BYOASN, US
46	92	13754	0.28%	1	13754.00	CLARKSON-AS, US
47	139341	13684	0.28%	168	81.45	ACE-AS-AP ACE, SG
48	151810	13502	0.27%	4	3375.50	PHYLAXISINC-AS-AP Phylaxis Korea, KR
49	17390	12246	0.25%	23	532.43	CIO-ORGANIZATION, US
50	19905	12134	0.25%	24	505.58	SECURITYSERVICES, US
Total		3233849	65.43%

50 Most active ASes for the past 14 days

RANK	ASN	UPDs/Prefix	%	Prefixes	UPDs	AS NAME
1	214028	764949.0	15.48%	1	764949	MAHDI-UMRAN, ID
2	2832	21899.0	0.44%	1	21899	AS-SUNET-TESTBED, SE
3	23420	21304.0	0.43%	1	21304	AS-DAVENPRO, US
4	211479	19796.0	1.20%	3	59388	N0EMIS-AS, DE
5	203062	16645.2	6.40%	19	316259	ALEXANDRE-ROUX-ASRINFOPRO Alexandre Roux trading as ASR INFOPRO, FR
6	210564	14649.0	0.30%	1	14649	SWANTZTER-AS, SE
7	92	13754.0	0.28%	1	13754	CLARKSON-AS, US
8	61625	11264.0	0.23%	1	11264
9	214493	9625.0	0.19%	1	9625	FTSELL, DE
10	272053	9225.0	0.19%	1	9225	ANTUNES FLORES SERGIO OMAR NUEVA NET, AR
11	28458	8421.0	0.34%	2	16842	IENTC S DE RL DE CV, MX
12	215171	8167.8	0.83%	5	40839	PT. DETROIT NETWORK INDONESIA, ID
13	208812	7106.0	0.14%	1	7106	ONDRYA, US
14	328631	6954.0	0.14%	1	6954	BallitoISP, ZA
15	199553	6529.8	0.79%	6	39179	UNGLEICH-PLACE5, CH
16	30083	6451.3	0.39%	3	19354	AS-30083-US-VELIA-NET, DE
17	141145	5873.0	0.12%	1	5873	GIGANET-AS-ID PT Giga Digital Nusantara, ID
18	41701	5544.0	0.11%	1	5544	CAP-FIN-AS, FI
19	39409	5501.3	0.78%	7	38509	SWG-MYROOTPW, AT
20	61609	5356.5	0.22%	2	10713	NextHop Solutions, BR
21	199678	5157.0	0.10%	1	5157	AS-6RW-, RU
22	211645	5112.0	0.10%	1	5112	SPG, DE
23	394839	4772.0	0.10%	1	4772	TRITAN-INTERNET-LLC, US
24	401315	4761.0	0.10%	1	4761	INTEGRILOG-01, CA
25	19330	4757.0	0.19%	2	9514	TRITAN-INTERNET-LLC, US
26	215084	4751.4	0.67%	7	33260	BINSAR-APIKU-, ID
27	401833	4747.0	0.10%	1	4747	AXNET-AS, US
28	214092	4744.0	0.10%	1	4744	ZACHARY-EZETTA, US
29	213801	4743.0	0.19%	2	9486	NATHANMOORE, US
30	400395	4742.0	0.10%	1	4742	HONGSHIN-AS-NA, US
31	206493	4740.0	0.10%	1	4740	YUKI-SYSTEMS-AS Yuki Systems, US
32	215617	4737.0	0.10%	1	4737	HYPERGROUP-IX Hyper Group Internet Exchange HNIX Route Servers, GB
33	147036	4736.0	0.10%	1	4736	HANARINLTD-AS-AP HANARIN LTD, KR
34	401135	4733.0	0.10%	1	4733	STACIE-MOYER-ASN, CA
35	399899	4733.0	0.10%	1	4733	LIGHTENING-SYSTEMS-AS, CA
36	393577	4602.0	0.65%	7	32214	TRITAN-DEVELOPMENT, US
37	153997	4544.0	0.09%	1	4544	PROJECTELIV-AS-AP PROJECT ELIV, KR
38	20915	4508.0	0.09%	1	4508	HUNDRED-PERCENT-IT, GB
39	211894	4474.9	0.63%	7	31324	UNGLEICH-PLACE18, CH
40	139311	4464.5	0.18%	2	8929	STELLAIT-AS-AP Stella IT, KR
41	26445	4329.0	0.09%	1	4329	OWL, US
42	211281	4064.4	0.58%	7	28451	NEOHOST-AS, RO
43	399916	4018.0	0.08%	1	4018	PACKETSTREAM-NAM, US
44	204210	3789.3	0.46%	6	22736	ZEUSPACKAGINGLTD, IE
45	198090	3740.0	0.08%	1	3740	ASLIBRA, IT
46	265314	3728.0	0.08%	1	3728	Toolsoft Tecnologia Ltda, BR
47	24474	3647.0	0.15%	2	7294	ASNPANYCAST Nepal Internet Exchange NP Anycast, NP
48	151810	3375.5	0.27%	4	13502	PHYLAXISINC-AS-AP Phylaxis Korea, KR
49	22616	3290.5	2.40%	36	118459	ZSCALER-SJC1, US
50	213774	3154.5	0.13%
Total		1100709.9	37.21%

50 Most active Prefixes for the past 14 days

RANK	PREFIX	UPDs	%	Origin AS -- AS NAME
1	2a0f:85c1:8b9::/48	764949	14.73%	214028 -- MAHDI-UMRAN, ID
2	2a06:2c80:4000::/36	160958	3.10%	203062 -- ALEXANDRE-ROUX-ASRINFOPRO Alexandre Roux trading as ASR INFOPRO, FR
3	2a06:2c87:e000::/36	155192	2.99%	203062 -- ALEXANDRE-ROUX-ASRINFOPRO Alexandre Roux trading as ASR INFOPRO, FR
4	2a03:eec0:3212::/48	118386	2.28%	22616 -- ZSCALER-SJC1, US
5	2a02:1391:5100::/40	32018	0.62%	21351 -- CANALPLUSTELECOM, GP
6	2804:248:100::/40	30798	0.59%	28598 -- DB3 SERVICOS DE TELECOMUNICACOES S.A, BR
7	2a0e:8f02:f022::/48	29721	0.57%	211479 -- N0EMIS-AS, DE
8	2a0e:b107:1220::/44	29656	0.57%	211479 -- N0EMIS-AS, DE
9	2a0c:b641:302::/47	22722	0.44%	204210 -- ZEUSPACKAGINGLTD, IE
10	2001:6b0:4::/48	21899	0.42%	2832 -- AS-SUNET-TESTBED, SE
11	2605:9c40::/32	21304	0.41%	23420 -- AS-DAVENPRO, US
12	2605:de00:bb::/48	19348	0.37%	30083 -- AS-30083-US-VELIA-NET, DE
13	2a02:e982:16::/48	18470	0.36%	19551 -- INCAPSULA, US
14	2806:202::/32	16841	0.32%	28458 -- IENTC S DE RL DE CV, MX
15	2a03:90c0:7a0::/44	16014	0.31%	59437 -- NORTHERNDATA, DE
16	2001:67c:20fc::/48	14649	0.28%	210564 -- SWANTZTER-AS, SE
17	2605:6480::/32	13754	0.26%	92 -- CLARKSON-AS, US
18	2a02:b48:83f1::/48	12862	0.25%	39572 -- ADVANCEDHOSTERS-AS, NL
19	2610:a1:1028::/48	12009	0.23%	19905 -- SECURITYSERVICES, US
20	2804:9524::/32	11264	0.22%	61625 --
21	2804:87bc:dc04::/48	10705	0.21%	61609 -- NextHop Solutions, BR
22	2a02:b48:83f3::/48	10320	0.20%	39572 -- ADVANCEDHOSTERS-AS, NL
23	2a14:7583:2a80::/42	9818	0.19%	211281 -- NEOHOST-AS, RO
24	2001:678:20c::/48	9629	0.19%	39409 -- SWG-MYROOTPW, AT
25	2a0b:4e07:29::/48	9628	0.19%	211281 -- NEOHOST-AS, RO
26	2a10:9906:1001::/48	9626	0.19%	39409 -- SWG-MYROOTPW, AT
27	2a10:9906:1002::/48	9626	0.19%	39409 -- SWG-MYROOTPW, AT
28	2a10:9902:111::/48	9625	0.19%	214493 -- FTSELL, DE
29	2a10:9906:3020::/48	9620	0.19%	39409 -- SWG-MYROOTPW, AT
30	2803:5d10::/32	9226	0.18%	272053 -- ANTUNES FLORES SERGIO OMAR NUEVA NET, AR
31	2a14:7580:b000::/36	8950	0.17%	211281 -- NEOHOST-AS, RO
32	240d:c010:165::/48	8920	0.17%	139341 -- ACE-AS-AP ACE, SG
33	2a0a:5480:213::/48	8623	0.17%	211894 -- UNGLEICH-PLACE18, CH
34	2a14:7581:4310::/48	8325	0.16%	215171 -- PT. DETROIT NETWORK INDONESIA, ID
35	2a14:7581:4560::/48	8173	0.16%	215171 -- PT. DETROIT NETWORK INDONESIA, ID
36	2a0f:85c1:3ae::/48	8166	0.16%	215171 -- PT. DETROIT NETWORK INDONESIA, ID
37	2a14:7581:4566::/48	8091	0.16%	215171 -- PT. DETROIT NETWORK INDONESIA, ID
38	2a14:7581:4310::/44	8089	0.16%	215171 -- PT. DETROIT NETWORK INDONESIA, ID
39	2a0f:6580:104::/48	7873	0.15%	200334 -- NETOPS-TR netops lab Network Operations Center, TR
40	2a03:2100:18::/48	7773	0.15%	51559 -- NETINTERNET Netinternet Bilisim Teknolojileri AS, TR
41	2a03:2100:19::/48	7724	0.15%	51559 -- NETINTERNET Netinternet Bilisim Teknolojileri AS, TR
42	2a03:2100:2d::/48	7687	0.15%	51559 -- NETINTERNET Netinternet Bilisim Teknolojileri AS, TR
43	2a03:2100:26::/48	7683	0.15%	51559 -- NETINTERNET Netinternet Bilisim Teknolojileri AS, TR
44	2a03:2100:12::/48	7676	0.15%	51559 -- NETINTERNET Netinternet Bilisim Teknolojileri AS, TR
45	2a03:2100:24::/48	7662	0.15%	51559 -- NETINTERNET Netinternet Bilisim Teknolojileri AS, TR
46	2a03:2100:2b::/48	7660	0.15%	51559 -- NETINTERNET Netinternet Bilisim Teknolojileri AS, TR
47	2a03:2100:22::/48	7657	0.15%	51559 -- NETINTERNET Netinternet Bilisim Teknolojileri AS, TR
48	2a03:2100:13::/48	7637	0.15%	51559 -- NETINTERNET Netinternet Bilisim Teknolojileri AS, TR
49	2a03:2100:1f::/48	7602	0.15%	51559 -- NETINTERNET Netinternet Bilisim Teknolojileri AS, TR
50	2a03:2100:20::/48	7600	0.15%	51559 -- NETINTERNET Netinternet Bilisim Teknolojileri AS, TR
Total		1780208	34.35%

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

Number of BGP Update Messages:	26406078
Number of Prefix Changes:	30807318
Number of Prefix Updates:	26406078
Number of Prefix Withdrawals:	4401240
Average Prefixes per BGP Update:	1.17
Average BGP Update Messages per second:	21.83
Average Prefix Updates per second:	25.47
Peak BGP Update Message Rate per second:	38558	(08:20:12 Fri, 17-Oct-2025)
Peak Prefix Update Rate per second:	38558	(08:20:12 Fri, 17-Oct-2025)
Peak Prefix Withdraw Rate per second:	872	(19:28:00 Thu, 9-Oct-2025, )
Number of RIB Prefix Updates:	4939967	(0.19 of recv'd updates)
Number of RIB Prefix Withdrawals:	253858	(0.06 of recv'd withdrawals)
Peak RIB Update Rate per second:	24492	(08:20:12 Fri, 17-Oct-2025)
Peak RIB Withdrawal Rate per second:	332	(19:30:26 Thu, 9-Oct-2025)
Seen Prefix Count:	250717
Updated Prefix Count:	246774
Stable Prefix Count:	3943
Seen Origin AS Count:	35771
Updated Origin AS Count:	35601
Stable Origin AS Count:	170
Seen Unique Path Count:	189363
Updated Path Count:	154341
Stable Path Count:	35022

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