The BGP IPv6 Instability Report

This report is updated daily. The current report
was generated on 12 October 2025 01:38 (UTC+1000)

50 Most active ASes for the past 14 days

RANK	ASN	UPDs	%	Prefixes	UPDs/Prefix	AS NAME
1	214028	717073	14.08%	1	717073.00	MAHDI-UMRAN, ID
2	202256	426344	8.37%	1856	229.71	LAWLIETNET, CN
3	51559	271068	5.32%	98	2766.00	NETINTERNET Netinternet Bilisim Teknolojileri AS, TR
4	203062	191928	3.77%	18	10662.67	ALEXANDRE-ROUX-ASRINFOPRO Alexandre Roux trading as ASR INFOPRO, FR
5	22616	127108	2.50%	36	3530.78	ZSCALER-SJC1, US
6	53667	111027	2.18%	5172	21.47	PONYNET, US
7	16509	110999	2.18%	5512	20.14	AMAZON-02, US
8	40138	84027	1.65%	40	2100.68	MDNET, US
9	38266	83033	1.63%	1368	60.70	VIL-AS-AP Vodafone Idea Ltd, IN
10	12041	50920	1.00%	229	222.36	AS-AFILIAS1, US
11	7552	47858	0.94%	3959	12.09	VIETEL-AS-AP Viettel Group, VN
12	215171	42973	0.84%	5	8594.60	PT. DETROIT NETWORK INDONESIA, ID
13	213124	41546	0.82%	10	4154.60	ZYLINKTECH, US
14	39409	38556	0.76%	7	5508.00	SWG-MYROOTPW, AT
15	204508	36355	0.71%	18	2019.72	MLGT, IT
16	36530	35306	0.69%	33	1069.88	FUTURE-LAIN, US
17	10103	34256	0.67%	12	2854.67	HKBN-AS-AP HK Broadband Network Ltd., HK
18	21351	32306	0.63%	17	1900.35	CANALPLUSTELECOM, GP
19	211281	29653	0.58%	7	4236.14	NEOHOST-AS, RO
20	55960	28446	0.56%	34	836.65	BJ-GUANGHUAN-AP Beijing Guanghuan Xinwang Digital, CN
21	211894	27851	0.55%	8	3481.38	UNGLEICH-PLACE18, CH
22	213092	27555	0.54%	12	2296.25	MARBLEIS, GB
23	13780	25952	0.51%	10	2595.20	MILEHIGHWALRUS-NETWORK, US
24	139341	23914	0.47%	164	145.82	ACE-AS-AP ACE, SG
25	204210	23089	0.45%	7	3298.43	ZEUSPACKAGINGLTD, IE
26	21664	22771	0.45%	93	244.85	AMZN-BYOASN, US
27	136873	22635	0.44%	8	2829.38	MEGADATA-AS-ID MEGADATA-ISP, ID
28	2832	20592	0.40%	1	20592.00	AS-SUNET-TESTBED, SE
29	393577	20514	0.40%	7	2930.57	TRITAN-DEVELOPMENT, US
30	215084	20504	0.40%	7	2929.14	BINSAR-APIKU-, ID
31	23420	20310	0.40%	1	20310.00	AS-DAVENPRO, US
32	36183	18931	0.37%	1644	11.52	AKAMAI-AS, US
33	28458	18508	0.36%	2	9254.00	IENTC S DE RL DE CV, MX
34	13335	18391	0.36%	2982	6.17	CLOUDFLARENET, US
35	28573	18111	0.36%	1573	11.51	Claro NXT Telecomunicacoes Ltda, BR
36	11172	18032	0.35%	2709	6.66	Alestra, S. de R.L. de C.V., MX
37	45271	17449	0.34%	1311	13.31	VIL-AS-AP Vodafone Idea Ltd, IN
38	36351	16317	0.32%	68	239.96	SOFTLAYER, US
39	198351	15249	0.30%	32	476.53	SECUREWAN, GB
40	151810	15009	0.29%	3	5003.00	PHYLAXISINC-AS-AP Phylaxis Korea, KR
41	17072	14934	0.29%	1339	11.15	TOTAL PLAY TELECOMUNICACIONES SA DE CV, MX
42	139216	14741	0.29%	21	701.95	HTROY-AS-AP Htroy Network Research Limited, CN
43	210258	14685	0.29%	54	271.94	WILDANET, GB
44	137409	14580	0.29%	1102	13.23	GSLNETWORKS-AS-AP GSL Networks Pty LTD, AU
45	210564	14267	0.28%	1	14267.00	SWANTZTER-AS, SE
46	11664	13712	0.27%	1079	12.71	Techtel LMDS Comunicaciones Interactivas S.A., AR
47	269684	13641	0.27%	3	4547.00	LANFIBRA TELECOMUNICACOES - EIRELI, BR
48	206067	13053	0.26%	55	237.33	H3GUK, GB
49	61625	12945	0.25%	1	12945.00
50	30083	12587	0.25%	3	4195.67	AS-30083-US-VELIA-NET, DE
Total		3091611	60.68%

50 Most active ASes for the past 14 days

RANK	ASN	UPDs/Prefix	%	Prefixes	UPDs	AS NAME
1	214028	717073.0	14.08%	1	717073	MAHDI-UMRAN, ID
2	2832	20592.0	0.40%	1	20592	AS-SUNET-TESTBED, SE
3	23420	20310.0	0.40%	1	20310	AS-DAVENPRO, US
4	210564	14267.0	0.28%	1	14267	SWANTZTER-AS, SE
5	61625	12945.0	0.25%	1	12945
6	92	11937.0	0.23%	1	11937	CLARKSON-AS, US
7	203062	10662.7	3.77%	18	191928	ALEXANDRE-ROUX-ASRINFOPRO Alexandre Roux trading as ASR INFOPRO, FR
8	214493	9629.0	0.19%	1	9629	FTSELL, DE
9	28458	9254.0	0.36%	2	18508	IENTC S DE RL DE CV, MX
10	272053	9057.0	0.18%	1	9057	ANTUNES FLORES SERGIO OMAR NUEVA NET, AR
11	215171	8594.6	0.84%	5	42973	PT. DETROIT NETWORK INDONESIA, ID
12	208812	6596.0	0.13%	1	6596	ONDRYA, US
13	153997	5612.0	0.11%	1	5612	PROJECTELIV-AS-AP PROJECT ELIV, KR
14	41701	5605.0	0.11%	1	5605	CAP-FIN-AS, FI
15	39409	5508.0	0.76%	7	38556	SWG-MYROOTPW, AT
16	26445	5206.0	0.10%	1	5206	OWL, US
17	213774	5196.0	0.10%	1	5196	NANCYANDSYSROM, US
18	60129	5192.5	0.20%	2	10385	CSTI-NET, CH
19	199678	5094.0	0.10%	1	5094	AS-6RW-, RU
20	151810	5003.0	0.29%	3	15009	PHYLAXISINC-AS-AP Phylaxis Korea, KR
21	211645	4732.0	0.09%	1	4732	SPG, DE
22	269684	4547.0	0.27%	3	13641	LANFIBRA TELECOMUNICACOES - EIRELI, BR
23	139311	4451.5	0.17%	2	8903	STELLAIT-AS-AP Stella IT, KR
24	211281	4236.1	0.58%	7	29653	NEOHOST-AS, RO
25	30083	4195.7	0.25%	3	12587	AS-30083-US-VELIA-NET, DE
26	213124	4154.6	0.82%	10	41546	ZYLINKTECH, US
27	399916	4127.0	0.08%	1	4127	PACKETSTREAM-NAM, US
28	328631	4085.0	0.08%	1	4085	BallitoISP, ZA
29	216141	3914.0	0.08%	1	3914	LEATYON-AS, IT
30	198090	3734.0	0.07%	1	3734	ASLIBRA, IT
31	24474	3635.5	0.14%	2	7271	ASNPANYCAST Nepal Internet Exchange NP Anycast, NP
32	22616	3530.8	2.50%	36	127108	ZSCALER-SJC1, US
33	211894	3481.4	0.55%	8	27851	UNGLEICH-PLACE18, CH
34	204210	3298.4	0.45%	7	23089	ZEUSPACKAGINGLTD, IE
35	274464	3239.0	0.06%	1	3239
36	402000	3031.0	0.06%	1	3031	ATWAB-INC, CA
37	200915	2983.0	0.18%	3	8949	MRFK, NO
38	206493	2950.0	0.06%	1	2950	YUKI-SYSTEMS-AS Yuki Systems, US
39	401315	2940.0	0.06%	1	2940	INTEGRILOG-01, CA
40	213801	2939.0	0.12%	2	5878	NATHANMOORE, US
41	147036	2936.0	0.06%	1	2936	HANARINLTD-AS-AP HANARIN LTD, KR
42	215617	2931.0	0.06%	1	2931	HYPERGROUP-IX Hyper Group Internet Exchange HNIX Route Servers, GB
43	393577	2930.6	0.40%	7	20514	TRITAN-DEVELOPMENT, US
44	215084	2929.1	0.40%	7	20504	BINSAR-APIKU-, ID
45	394839	2926.0	0.06%	1	2926	TRITAN-INTERNET-LLC, US
46	214092	2924.0	0.06%	1	2924	ZACHARY-EZETTA, US
47	19330	2923.0	0.11%	2	5846	TRITAN-INTERNET-LLC, US
48	215415	2901.7	0.17%	3	8705	YUWAN-NETWORKS f6bf8a655ea4063ec0b9272ea10622e66d333279, GB
49	401135	2901.0	0.06%	1	2901	STACIE-MOYER-ASN, CA
50	10103	2854.7	0.67%
Total		996695.9	31.60%

50 Most active Prefixes for the past 14 days

RANK	PREFIX	UPDs	%	Origin AS -- AS NAME
1	2a0f:85c1:8b9::/48	717073	13.40%	214028 -- MAHDI-UMRAN, ID
2	2a03:eec0:3212::/48	127065	2.37%	22616 -- ZSCALER-SJC1, US
3	2a06:2c80:4000::/36	125882	2.35%	203062 -- ALEXANDRE-ROUX-ASRINFOPRO Alexandre Roux trading as ASR INFOPRO, FR
4	2a06:2c87:e000::/36	65914	1.23%	203062 -- ALEXANDRE-ROUX-ASRINFOPRO Alexandre Roux trading as ASR INFOPRO, FR
5	2a02:1391:5100::/40	31988	0.60%	21351 -- CANALPLUSTELECOM, GP
6	2a0c:b641:302::/47	23043	0.43%	204210 -- ZEUSPACKAGINGLTD, IE
7	240d:c010:165::/48	21609	0.40%	139341 -- ACE-AS-AP ACE, SG
8	2001:6b0:4::/48	20592	0.38%	2832 -- AS-SUNET-TESTBED, SE
9	2605:9c40::/32	20310	0.38%	23420 -- AS-DAVENPRO, US
10	2806:202::/32	18494	0.35%	28458 -- IENTC S DE RL DE CV, MX
11	2001:67c:20fc::/48	14268	0.27%	210564 -- SWANTZTER-AS, SE
12	2804:6850::/32	13637	0.25%	269684 -- LANFIBRA TELECOMUNICACOES - EIRELI, BR
13	2804:9524::/32	12945	0.24%	61625 --
14	2605:de00:bb::/48	12585	0.24%	30083 -- AS-30083-US-VELIA-NET, DE
15	2610:a1:1028::/48	12200	0.23%	19905 -- SECURITYSERVICES, US
16	2605:6480::/32	11937	0.22%	92 -- CLARKSON-AS, US
17	2001:678:20c::/48	9633	0.18%	39409 -- SWG-MYROOTPW, AT
18	2a10:9902:111::/48	9629	0.18%	214493 -- FTSELL, DE
19	2a10:9906:1002::/48	9629	0.18%	39409 -- SWG-MYROOTPW, AT
20	2a10:9906:1001::/48	9629	0.18%	39409 -- SWG-MYROOTPW, AT
21	2a10:9906:3020::/48	9626	0.18%	39409 -- SWG-MYROOTPW, AT
22	2a0f:6580:104::/48	9138	0.17%	200334 -- NETOPS-TR netops lab Network Operations Center, TR
23	2803:5d10::/32	9057	0.17%	272053 -- ANTUNES FLORES SERGIO OMAR NUEVA NET, AR
24	2a03:2100:18::/48	9015	0.17%	51559 -- NETINTERNET Netinternet Bilisim Teknolojileri AS, TR
25	2a03:2100:19::/48	8991	0.17%	51559 -- NETINTERNET Netinternet Bilisim Teknolojileri AS, TR
26	2a03:2100:22::/48	8973	0.17%	51559 -- NETINTERNET Netinternet Bilisim Teknolojileri AS, TR
27	2a03:2100:24::/48	8930	0.17%	51559 -- NETINTERNET Netinternet Bilisim Teknolojileri AS, TR
28	2a14:7583:2a00::/42	8917	0.17%	211281 -- NEOHOST-AS, RO
29	2a03:2100:26::/48	8917	0.17%	51559 -- NETINTERNET Netinternet Bilisim Teknolojileri AS, TR
30	2a03:2100:20::/48	8914	0.17%	51559 -- NETINTERNET Netinternet Bilisim Teknolojileri AS, TR
31	2a03:2100:13::/48	8887	0.17%	51559 -- NETINTERNET Netinternet Bilisim Teknolojileri AS, TR
32	2a03:2100:11::/48	8886	0.17%	51559 -- NETINTERNET Netinternet Bilisim Teknolojileri AS, TR
33	2a03:2100:12::/48	8883	0.17%	51559 -- NETINTERNET Netinternet Bilisim Teknolojileri AS, TR
34	2a03:2100:2b::/48	8873	0.17%	51559 -- NETINTERNET Netinternet Bilisim Teknolojileri AS, TR
35	2a03:2100:1d::/48	8847	0.17%	51559 -- NETINTERNET Netinternet Bilisim Teknolojileri AS, TR
36	2a03:2100:16::/48	8847	0.17%	51559 -- NETINTERNET Netinternet Bilisim Teknolojileri AS, TR
37	2a14:7581:4310::/48	8836	0.17%	215171 -- PT. DETROIT NETWORK INDONESIA, ID
38	2a03:2100:29::/48	8819	0.16%	51559 -- NETINTERNET Netinternet Bilisim Teknolojileri AS, TR
39	2a03:2100:1a::/48	8696	0.16%	51559 -- NETINTERNET Netinternet Bilisim Teknolojileri AS, TR
40	2a14:7581:4560::/48	8677	0.16%	215171 -- PT. DETROIT NETWORK INDONESIA, ID
41	2a03:2100:1f::/48	8674	0.16%	51559 -- NETINTERNET Netinternet Bilisim Teknolojileri AS, TR
42	2a03:2100:25::/48	8657	0.16%	51559 -- NETINTERNET Netinternet Bilisim Teknolojileri AS, TR
43	2a03:2100:21::/48	8655	0.16%	51559 -- NETINTERNET Netinternet Bilisim Teknolojileri AS, TR
44	2a03:2100:1c::/48	8647	0.16%	51559 -- NETINTERNET Netinternet Bilisim Teknolojileri AS, TR
45	2a03:2100:23::/48	8642	0.16%	51559 -- NETINTERNET Netinternet Bilisim Teknolojileri AS, TR
46	2a03:2100:15::/48	8636	0.16%	51559 -- NETINTERNET Netinternet Bilisim Teknolojileri AS, TR
47	2a03:2100:28::/48	8617	0.16%	51559 -- NETINTERNET Netinternet Bilisim Teknolojileri AS, TR
48	2a03:2100:27::/48	8616	0.16%	51559 -- NETINTERNET Netinternet Bilisim Teknolojileri AS, TR
49	2a03:2100:14::/48	8614	0.16%	51559 -- NETINTERNET Netinternet Bilisim Teknolojileri AS, TR
50	2a03:2100:2a::/48	8613	0.16%	51559 -- NETINTERNET Netinternet Bilisim Teknolojileri AS, TR
Total		1553162	29.04%

14 Day BGP Update Statistics Profile: 27-September-2025 00:00 - 11-October-2025 23:59 (UTC+1000)

Number of BGP Update Messages:	26859972
Number of Prefix Changes:	31347691
Number of Prefix Updates:	26859972
Number of Prefix Withdrawals:	4487719
Average Prefixes per BGP Update:	1.17
Average BGP Update Messages per second:	22.21
Average Prefix Updates per second:	25.92
Peak BGP Update Message Rate per second:	48465	(21:51:49 Wed, 1-Oct-2025)
Peak Prefix Update Rate per second:	48465	(21:51:49 Wed, 1-Oct-2025)
Peak Prefix Withdraw Rate per second:	15868	(21:51:49 Wed, 1-Oct-2025, )
Number of RIB Prefix Updates:	5091596	(0.19 of recv'd updates)
Number of RIB Prefix Withdrawals:	259466	(0.06 of recv'd withdrawals)
Peak RIB Update Rate per second:	19292	(21:51:49 Wed, 1-Oct-2025)
Peak RIB Withdrawal Rate per second:	10570	(21:51:49 Wed, 1-Oct-2025)
Seen Prefix Count:	253279
Updated Prefix Count:	249640
Stable Prefix Count:	3639
Seen Origin AS Count:	35718
Updated Origin AS Count:	35687
Stable Origin AS Count:	31
Seen Unique Path Count:	208337
Updated Path Count:	194244
Stable Path Count:	14093

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