The BGP IPv6 Instability Report

This report is updated daily. The current report
was generated on 25 October 2025 01:35 (UTC+1000)

50 Most active ASes for the past 14 days

RANK	ASN	UPDs	%	Prefixes	UPDs/Prefix	AS NAME
1	214028	821152	16.64%	1	821152.00	MAHDI-UMRAN, ID
2	202256	393897	7.98%	1239	317.92	LAWLIETNET, CN
3	203062	306544	6.21%	19	16133.89	ALEXANDRE-ROUX-ASRINFOPRO Alexandre Roux trading as ASR INFOPRO, FR
4	51559	205919	4.17%	98	2101.21	NETINTERNET Netinternet Bilisim Teknolojileri AS, TR
5	7552	198948	4.03%	3959	50.25	VIETEL-AS-AP Viettel Group, VN
6	22616	123136	2.49%	36	3420.44	ZSCALER-SJC1, US
7	16509	95643	1.94%	5533	17.29	AMAZON-02, US
8	40138	88495	1.79%	39	2269.10	MDNET, US
9	38266	61834	1.25%	1367	45.23	VIL-AS-AP Vodafone Idea Ltd, IN
10	211479	59395	1.20%	3	19798.33	N0EMIS-AS, DE
11	199340	51853	1.05%	3959	13.10	HONG-GUANWAN, HK
12	215171	40511	0.82%	5	8102.20	PT. DETROIT NETWORK INDONESIA, ID
13	39409	38510	0.78%	7	5501.43	SWG-MYROOTPW, AT
14	199553	37789	0.77%	6	6298.17	UNGLEICH-PLACE5, CH
15	53667	35587	0.72%	4215	8.44	PONYNET, US
16	21351	31651	0.64%	17	1861.82	CANALPLUSTELECOM, GP
17	211894	31091	0.63%	13	2391.62	UNGLEICH-PLACE18, CH
18	213092	31043	0.63%	12	2586.92	MARBLEIS, GB
19	28598	31035	0.63%	14	2216.79	DB3 SERVICOS DE TELECOMUNICACOES S.A, BR
20	13780	30444	0.62%	10	3044.40	MILEHIGHWALRUS-NETWORK, US
21	19551	30359	0.62%	706	43.00	INCAPSULA, US
22	12041	29243	0.59%	228	128.26	AS-AFILIAS1, US
23	36351	28286	0.57%	71	398.39	SOFTLAYER, US
24	211281	28240	0.57%	7	4034.29	NEOHOST-AS, RO
25	215084	27912	0.57%	7	3987.43	BINSAR-APIKU-, ID
26	13335	25221	0.51%	2973	8.48	CLOUDFLARENET, US
27	393577	24865	0.50%	7	3552.14	TRITAN-DEVELOPMENT, US
28	45271	22389	0.45%	1312	17.06	VIL-AS-AP Vodafone Idea Ltd, IN
29	204210	22069	0.45%	7	3152.71	ZEUSPACKAGINGLTD, IE
30	23420	21581	0.44%	1	21581.00	AS-DAVENPRO, US
31	2832	20870	0.42%	1	20870.00	AS-SUNET-TESTBED, SE
32	39572	20152	0.41%	33	610.67	ADVANCEDHOSTERS-AS, NL
33	59437	19833	0.40%	8	2479.12	NORTHERNDATA, DE
34	30083	19230	0.39%	3	6410.00	AS-30083-US-VELIA-NET, DE
35	55960	19130	0.39%	34	562.65	BJ-GUANGHUAN-AP Beijing Guanghuan Xinwang Digital, CN
36	139216	18196	0.37%	21	866.48	HTROY-AS-AP Htroy Network Research Limited, CN
37	63949	17517	0.35%	94	186.35	AKAMAI-LINODE-AP Akamai Connected Cloud, SG
38	28458	16912	0.34%	2	8456.00	IENTC S DE RL DE CV, MX
39	215527	15578	0.32%	8	1947.25	XERONET -_._-, GB
40	263137	14710	0.30%	15	980.67	YUNE NET TELECOMUNICACOES LTDA, BR
41	210564	14543	0.29%	1	14543.00	SWANTZTER-AS, SE
42	11172	13633	0.28%	2755	4.95	Alestra, S. de R.L. de C.V., MX
43	21664	13613	0.28%	36	378.14	AMZN-BYOASN, US
44	393746	13309	0.27%	5	2661.80	MAXHOST-IO, US
45	28573	13189	0.27%	1575	8.37	Claro NXT Telecomunicacoes Ltda, BR
46	92	12822	0.26%	1	12822.00	CLARKSON-AS, US
47	51202	12667	0.26%	11	1151.55	NUXOA, DE
48	151810	12565	0.25%	4	3141.25	PHYLAXISINC-AS-AP Phylaxis Korea, KR
49	19905	12158	0.25%	24	506.58	SECURITYSERVICES, US
50	214731	11978	0.24%	38	315.21	ETO-AS, GB
Total		3287247	66.60%

50 Most active ASes for the past 14 days

RANK	ASN	UPDs/Prefix	%	Prefixes	UPDs	AS NAME
1	214028	821152.0	16.64%	1	821152	MAHDI-UMRAN, ID
2	23420	21581.0	0.44%	1	21581	AS-DAVENPRO, US
3	2832	20870.0	0.42%	1	20870	AS-SUNET-TESTBED, SE
4	211479	19798.3	1.20%	3	59395	N0EMIS-AS, DE
5	203062	16133.9	6.21%	19	306544	ALEXANDRE-ROUX-ASRINFOPRO Alexandre Roux trading as ASR INFOPRO, FR
6	210564	14543.0	0.29%	1	14543	SWANTZTER-AS, SE
7	92	12822.0	0.26%	1	12822	CLARKSON-AS, US
8	214493	9626.0	0.20%	1	9626	FTSELL, DE
9	61625	9350.0	0.19%	1	9350
10	272053	8882.0	0.18%	1	8882	ANTUNES FLORES SERGIO OMAR NUEVA NET, AR
11	28458	8456.0	0.34%	2	16912	IENTC S DE RL DE CV, MX
12	215171	8102.2	0.82%	5	40511	PT. DETROIT NETWORK INDONESIA, ID
13	328631	7422.0	0.15%	1	7422	BallitoISP, ZA
14	208812	6943.0	0.14%	1	6943	ONDRYA, US
15	30083	6410.0	0.39%	3	19230	AS-30083-US-VELIA-NET, DE
16	199553	6298.2	0.77%	6	37789	UNGLEICH-PLACE5, CH
17	39409	5501.4	0.78%	7	38510	SWG-MYROOTPW, AT
18	41701	5153.0	0.10%	1	5153	CAP-FIN-AS, FI
19	211645	5099.0	0.10%	1	5099	SPG, DE
20	20915	4531.0	0.09%	1	4531	HUNDRED-PERCENT-IT, GB
21	199678	4326.0	0.09%	1	4326	AS-6RW-, RU
22	153997	4202.0	0.09%	1	4202	PROJECTELIV-AS-AP PROJECT ELIV, KR
23	211281	4034.3	0.57%	7	28240	NEOHOST-AS, RO
24	394839	4000.0	0.08%	1	4000	TRITAN-INTERNET-LLC, US
25	214092	3991.0	0.08%	1	3991	ZACHARY-EZETTA, US
26	206493	3990.0	0.08%	1	3990	YUKI-SYSTEMS-AS Yuki Systems, US
27	215084	3987.4	0.57%	7	27912	BINSAR-APIKU-, ID
28	399899	3985.0	0.08%	1	3985	LIGHTENING-SYSTEMS-AS, CA
29	19330	3983.5	0.16%	2	7967	TRITAN-INTERNET-LLC, US
30	400395	3979.0	0.08%	1	3979	HONGSHIN-AS-NA, US
31	215617	3975.0	0.08%	1	3975	HYPERGROUP-IX Hyper Group Internet Exchange HNIX Route Servers, GB
32	213801	3797.0	0.15%	2	7594	NATHANMOORE, US
33	198090	3725.0	0.08%	1	3725	ASLIBRA, IT
34	401833	3611.0	0.07%	1	3611	AXNET-AS, US
35	401315	3602.0	0.07%	1	3602	INTEGRILOG-01, CA
36	147036	3585.0	0.07%	1	3585	HANARINLTD-AS-AP HANARIN LTD, KR
37	401135	3578.0	0.07%	1	3578	STACIE-MOYER-ASN, CA
38	26445	3564.0	0.07%	1	3564	OWL, US
39	393577	3552.1	0.50%	7	24865	TRITAN-DEVELOPMENT, US
40	265314	3506.0	0.07%	1	3506	Toolsoft Tecnologia Ltda, BR
41	24474	3483.0	0.14%	2	6966	ASNPANYCAST Nepal Internet Exchange NP Anycast, NP
42	139311	3476.0	0.14%	2	6952	STELLAIT-AS-AP Stella IT, KR
43	216249	3436.0	0.07%	1	3436	PHOTONSPARK, RO
44	22616	3420.4	2.49%	36	123136	ZSCALER-SJC1, US
45	399916	3365.0	0.07%	1	3365	PACKETSTREAM-NAM, US
46	204210	3152.7	0.45%	7	22069	ZEUSPACKAGINGLTD, IE
47	151810	3141.2	0.25%	4	12565	PHYLAXISINC-AS-AP Phylaxis Korea, KR
48	13780	3044.4	0.62%	10	30444	MILEHIGHWALRUS-NETWORK, US
49	58487	2703.5	0.11%	2	5407	CRI-AS-AP CV. Rumahweb Indonesia, ID
50	138535	2676.0	0.16%
Total		1127545.5	37.32%

50 Most active Prefixes for the past 14 days

RANK	PREFIX	UPDs	%	Origin AS -- AS NAME
1	2a0f:85c1:8b9::/48	821152	15.83%	214028 -- MAHDI-UMRAN, ID
2	2a06:2c87:e000::/36	153631	2.96%	203062 -- ALEXANDRE-ROUX-ASRINFOPRO Alexandre Roux trading as ASR INFOPRO, FR
3	2a06:2c80:4000::/36	152783	2.95%	203062 -- ALEXANDRE-ROUX-ASRINFOPRO Alexandre Roux trading as ASR INFOPRO, FR
4	2a03:eec0:3212::/48	123062	2.37%	22616 -- ZSCALER-SJC1, US
5	2a02:1391:5100::/40	31619	0.61%	21351 -- CANALPLUSTELECOM, GP
6	2804:248:100::/40	30841	0.59%	28598 -- DB3 SERVICOS DE TELECOMUNICACOES S.A, BR
7	2a0e:8f02:f022::/48	29722	0.57%	211479 -- N0EMIS-AS, DE
8	2a0e:b107:1220::/44	29657	0.57%	211479 -- N0EMIS-AS, DE
9	2a0c:b641:302::/47	22015	0.42%	204210 -- ZEUSPACKAGINGLTD, IE
10	2605:9c40::/32	21581	0.42%	23420 -- AS-DAVENPRO, US
11	2001:6b0:4::/48	20870	0.40%	2832 -- AS-SUNET-TESTBED, SE
12	2a02:e982:16::/48	20429	0.39%	19551 -- INCAPSULA, US
13	2a03:90c0:7a0::/44	19783	0.38%	59437 -- NORTHERNDATA, DE
14	2605:de00:bb::/48	19228	0.37%	30083 -- AS-30083-US-VELIA-NET, DE
15	2806:202::/32	16911	0.33%	28458 -- IENTC S DE RL DE CV, MX
16	2001:67c:20fc::/48	14544	0.28%	210564 -- SWANTZTER-AS, SE
17	2605:6480::/32	12822	0.25%	92 -- CLARKSON-AS, US
18	2610:a1:1028::/48	12031	0.23%	19905 -- SECURITYSERVICES, US
19	2a02:b48:83f3::/48	10512	0.20%	39572 -- ADVANCEDHOSTERS-AS, NL
20	2a14:7583:2a80::/42	10141	0.20%	211281 -- NEOHOST-AS, RO
21	2a0b:4e07:29::/48	10053	0.19%	211281 -- NEOHOST-AS, RO
22	2001:678:20c::/48	9629	0.19%	39409 -- SWG-MYROOTPW, AT
23	2a10:9906:1001::/48	9626	0.19%	39409 -- SWG-MYROOTPW, AT
24	2a10:9902:111::/48	9626	0.19%	214493 -- FTSELL, DE
25	2a10:9906:1002::/48	9626	0.19%	39409 -- SWG-MYROOTPW, AT
26	2a10:9906:3020::/48	9621	0.19%	39409 -- SWG-MYROOTPW, AT
27	2600:3c0f:56::/48	9487	0.18%	63949 -- AKAMAI-LINODE-AP Akamai Connected Cloud, SG
28	2a02:b48:83f1::/48	9482	0.18%	39572 -- ADVANCEDHOSTERS-AS, NL
29	2804:9524::/32	9350	0.18%	61625 --
30	2803:5d10::/32	8882	0.17%	272053 -- ANTUNES FLORES SERGIO OMAR NUEVA NET, AR
31	2a14:7581:4310::/48	8221	0.16%	215171 -- PT. DETROIT NETWORK INDONESIA, ID
32	2a0f:85c1:3ae::/48	8202	0.16%	215171 -- PT. DETROIT NETWORK INDONESIA, ID
33	2a0f:6580:104::/48	8070	0.16%	200334 -- NETOPS-TR netops lab Network Operations Center, TR
34	2a14:7581:4560::/48	8063	0.16%	215171 -- PT. DETROIT NETWORK INDONESIA, ID
35	2a14:7581:4566::/48	8032	0.15%	215171 -- PT. DETROIT NETWORK INDONESIA, ID
36	2a14:7580:b000::/36	8001	0.15%	211281 -- NEOHOST-AS, RO
37	2406:840:e620::/48	7994	0.15%	138535 -- FURDEVS-AS-AP Wu Qi, CN
38	2a14:7581:4310::/44	7993	0.15%	215171 -- PT. DETROIT NETWORK INDONESIA, ID
39	2a03:2100:19::/48	7960	0.15%	51559 -- NETINTERNET Netinternet Bilisim Teknolojileri AS, TR
40	2a03:2100:2d::/48	7907	0.15%	51559 -- NETINTERNET Netinternet Bilisim Teknolojileri AS, TR
41	2a03:2100:12::/48	7893	0.15%	51559 -- NETINTERNET Netinternet Bilisim Teknolojileri AS, TR
42	2a03:2100:26::/48	7877	0.15%	51559 -- NETINTERNET Netinternet Bilisim Teknolojileri AS, TR
43	2a03:2100:24::/48	7859	0.15%	51559 -- NETINTERNET Netinternet Bilisim Teknolojileri AS, TR
44	2a03:2100:22::/48	7854	0.15%	51559 -- NETINTERNET Netinternet Bilisim Teknolojileri AS, TR
45	2a03:2100:1f::/48	7852	0.15%	51559 -- NETINTERNET Netinternet Bilisim Teknolojileri AS, TR
46	2600:3c0f:57::/48	7839	0.15%	63949 -- AKAMAI-LINODE-AP Akamai Connected Cloud, SG
47	2a03:2100:1c::/48	7828	0.15%	51559 -- NETINTERNET Netinternet Bilisim Teknolojileri AS, TR
48	2a03:2100:20::/48	7819	0.15%	51559 -- NETINTERNET Netinternet Bilisim Teknolojileri AS, TR
49	2a03:2100:13::/48	7817	0.15%	51559 -- NETINTERNET Netinternet Bilisim Teknolojileri AS, TR
50	2a03:2100:15::/48	7809	0.15%	51559 -- NETINTERNET Netinternet Bilisim Teknolojileri AS, TR
Total		1827606	35.21%

14 Day BGP Update Statistics Profile: 10-October-2025 00:00 - 24-October-2025 23:59 (UTC+1000)

Number of BGP Update Messages:	26946643
Number of Prefix Changes:	31429142
Number of Prefix Updates:	26946643
Number of Prefix Withdrawals:	4482499
Average Prefixes per BGP Update:	1.17
Average BGP Update Messages per second:	22.28
Average Prefix Updates per second:	25.98
Peak BGP Update Message Rate per second:	47629	(08:20:12 Fri, 17-Oct-2025)
Peak Prefix Update Rate per second:	47629	(08:20:12 Fri, 17-Oct-2025)
Peak Prefix Withdraw Rate per second:	559	(12:55:04 Tue, 21-Oct-2025, )
Number of RIB Prefix Updates:	4935652	(0.18 of recv'd updates)
Number of RIB Prefix Withdrawals:	251221	(0.06 of recv'd withdrawals)
Peak RIB Update Rate per second:	31885	(08:20:12 Fri, 17-Oct-2025)
Peak RIB Withdrawal Rate per second:	297	(10:23:38 Thu, 16-Oct-2025)
Seen Prefix Count:	248030
Updated Prefix Count:	244378
Stable Prefix Count:	3652
Seen Origin AS Count:	35755
Updated Origin AS Count:	35599
Stable Origin AS Count:	156
Seen Unique Path Count:	189538
Updated Path Count:	154874
Stable Path Count:	34664

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