The BGP IPv6 Instability Report

This report is updated daily. The current report
was generated on 9 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	556526	11.39%	1	556526.00	MAHDI-UMRAN, ID
2	202256	429772	8.80%	1856	231.56	LAWLIETNET, CN
3	51559	193238	3.95%	98	1971.82	NETINTERNET Netinternet Bilisim Teknolojileri AS, TR
4	203062	184549	3.78%	18	10252.72	ALEXANDRE-ROUX-ASRINFOPRO Alexandre Roux trading as ASR INFOPRO, FR
5	22616	128220	2.62%	36	3561.67	ZSCALER-SJC1, US
6	53667	116410	2.38%	5119	22.74	PONYNET, US
7	16509	114198	2.34%	5529	20.65	AMAZON-02, US
8	38266	82736	1.69%	1368	60.48	VIL-AS-AP Vodafone Idea Ltd, IN
9	40138	82438	1.69%	40	2060.95	MDNET, US
10	7552	65013	1.33%	3959	16.42	VIETEL-AS-AP Viettel Group, VN
11	12041	52598	1.08%	228	230.69	AS-AFILIAS1, US
12	213124	50922	1.04%	10	5092.20	ZYLINKTECH, US
13	204508	47848	0.98%	18	2658.22	MLGT, IT
14	215171	43380	0.89%	5	8676.00	PT. DETROIT NETWORK INDONESIA, ID
15	39409	38529	0.79%	7	5504.14	SWG-MYROOTPW, AT
16	55960	33513	0.69%	34	985.68	BJ-GUANGHUAN-AP Beijing Guanghuan Xinwang Digital, CN
17	215084	32563	0.67%	7	4651.86	BINSAR-APIKU-, ID
18	211281	32481	0.66%	7	4640.14	NEOHOST-AS, RO
19	21351	31791	0.65%	17	1870.06	CANALPLUSTELECOM, GP
20	393577	27941	0.57%	7	3991.57	TRITAN-DEVELOPMENT, US
21	36530	27603	0.56%	33	836.45	FUTURE-LAIN, US
22	45271	27568	0.56%	1311	21.03	VIL-AS-AP Vodafone Idea Ltd, IN
23	21664	27397	0.56%	100	273.97	AMZN-BYOASN, US
24	13780	26387	0.54%	10	2638.70	MILEHIGHWALRUS-NETWORK, US
25	139341	23639	0.48%	163	145.02	ACE-AS-AP ACE, SG
26	204210	23463	0.48%	7	3351.86	ZEUSPACKAGINGLTD, IE
27	136873	23372	0.48%	8	2921.50	MEGADATA-AS-ID MEGADATA-ISP, ID
28	139216	23349	0.48%	21	1111.86	HTROY-AS-AP Htroy Network Research Limited, CN
29	213092	23176	0.47%	12	1931.33	MARBLEIS, GB
30	11664	21567	0.44%	1081	19.95	Techtel LMDS Comunicaciones Interactivas S.A., AR
31	36351	20625	0.42%	68	303.31	SOFTLAYER, US
32	23420	20233	0.41%	1	20233.00	AS-DAVENPRO, US
33	211894	19801	0.41%	8	2475.12	UNGLEICH-PLACE18, CH
34	28573	19176	0.39%	1573	12.19	Claro NXT Telecomunicacoes Ltda, BR
35	2832	19039	0.39%	1	19039.00	AS-SUNET-TESTBED, SE
36	36183	18818	0.39%	1644	11.45	AKAMAI-AS, US
37	28458	18531	0.38%	2	9265.50	IENTC S DE RL DE CV, MX
38	13335	17800	0.36%	2980	5.97	CLOUDFLARENET, US
39	269684	17628	0.36%	3	5876.00	LANFIBRA TELECOMUNICACOES - EIRELI, BR
40	214731	17437	0.36%	38	458.87	ETO-AS, GB
41	30083	16743	0.34%	3	5581.00	AS-30083-US-VELIA-NET, DE
42	10103	15729	0.32%	12	1310.75	HKBN-AS-AP HK Broadband Network Ltd., HK
43	53343	15179	0.31%	17	892.88	SCN, US
44	92	14852	0.30%	1	14852.00	CLARKSON-AS, US
45	215527	13936	0.29%	8	1742.00	XERONET -_._-, GB
46	210564	13659	0.28%	1	13659.00	SWANTZTER-AS, SE
47	17072	12952	0.27%	1333	9.72	TOTAL PLAY TELECOMUNICACIONES SA DE CV, MX
48	151810	12066	0.25%	3	4022.00	PHYLAXISINC-AS-AP Phylaxis Korea, KR
49	206067	11978	0.25%	55	217.78	H3GUK, GB
50	272053	11646	0.24%	1	11646.00	ANTUNES FLORES SERGIO OMAR NUEVA NET, AR
Total		2920015	59.76%

50 Most active ASes for the past 14 days

RANK	ASN	UPDs/Prefix	%	Prefixes	UPDs	AS NAME
1	214028	556526.0	11.39%	1	556526	MAHDI-UMRAN, ID
2	23420	20233.0	0.41%	1	20233	AS-DAVENPRO, US
3	2832	19039.0	0.39%	1	19039	AS-SUNET-TESTBED, SE
4	92	14852.0	0.30%	1	14852	CLARKSON-AS, US
5	210564	13659.0	0.28%	1	13659	SWANTZTER-AS, SE
6	272053	11646.0	0.24%	1	11646	ANTUNES FLORES SERGIO OMAR NUEVA NET, AR
7	61625	11598.0	0.24%	1	11598
8	203062	10252.7	3.78%	18	184549	ALEXANDRE-ROUX-ASRINFOPRO Alexandre Roux trading as ASR INFOPRO, FR
9	214493	9625.0	0.20%	1	9625	FTSELL, DE
10	28458	9265.5	0.38%	2	18531	IENTC S DE RL DE CV, MX
11	215171	8676.0	0.89%	5	43380	PT. DETROIT NETWORK INDONESIA, ID
12	208812	6228.0	0.13%	1	6228	ONDRYA, US
13	269684	5876.0	0.36%	3	17628	LANFIBRA TELECOMUNICACOES - EIRELI, BR
14	41701	5637.0	0.12%	1	5637	CAP-FIN-AS, FI
15	30083	5581.0	0.34%	3	16743	AS-30083-US-VELIA-NET, DE
16	39409	5504.1	0.79%	7	38529	SWG-MYROOTPW, AT
17	60129	5405.0	0.22%	2	10810	CSTI-NET, CH
18	216141	5158.0	0.11%	1	5158	LEATYON-AS, IT
19	213124	5092.2	1.04%	10	50922	ZYLINKTECH, US
20	139311	5008.0	0.20%	2	10016	STELLAIT-AS-AP Stella IT, KR
21	26445	4939.0	0.10%	1	4939	OWL, US
22	199678	4934.0	0.10%	1	4934	AS-6RW-, RU
23	37159	4833.0	0.10%	1	4833	IMAGINET, ZA
24	206493	4672.0	0.10%	1	4672	YUKI-SYSTEMS-AS Yuki Systems, US
25	401315	4662.0	0.10%	1	4662	INTEGRILOG-01, CA
26	213801	4660.5	0.19%	2	9321	NATHANMOORE, US
27	147036	4655.0	0.10%	1	4655	HANARINLTD-AS-AP HANARIN LTD, KR
28	215084	4651.9	0.67%	7	32563	BINSAR-APIKU-, ID
29	394839	4651.0	0.10%	1	4651	TRITAN-INTERNET-LLC, US
30	19330	4647.0	0.19%	2	9294	TRITAN-INTERNET-LLC, US
31	214092	4647.0	0.10%	1	4647	ZACHARY-EZETTA, US
32	211281	4640.1	0.66%	7	32481	NEOHOST-AS, RO
33	401135	4625.0	0.09%	1	4625	STACIE-MOYER-ASN, CA
34	211645	4520.0	0.09%	1	4520	SPG, DE
35	265314	4248.0	0.09%	1	4248	Toolsoft Tecnologia Ltda, BR
36	151810	4022.0	0.25%	3	12066	PHYLAXISINC-AS-AP Phylaxis Korea, KR
37	37353	3996.0	0.08%	1	3996	SEACOM-AS, ZA
38	393577	3991.6	0.57%	7	27941	TRITAN-DEVELOPMENT, US
39	141145	3868.0	0.08%	1	3868	GIGANET-AS-ID PT Giga Digital Nusantara, ID
40	198090	3745.0	0.08%	1	3745	ASLIBRA, IT
41	153997	3728.0	0.08%	1	3728	PROJECTELIV-AS-AP PROJECT ELIV, KR
42	24474	3685.5	0.15%	2	7371	ASNPANYCAST Nepal Internet Exchange NP Anycast, NP
43	22616	3561.7	2.62%	36	128220	ZSCALER-SJC1, US
44	204210	3351.9	0.48%	7	23463	ZEUSPACKAGINGLTD, IE
45	328631	3302.0	0.07%	1	3302	BallitoISP, ZA
46	399899	3255.0	0.07%	1	3255	LIGHTENING-SYSTEMS-AS, CA
47	136873	2921.5	0.48%	8	23372	MEGADATA-AS-ID MEGADATA-ISP, ID
48	402000	2909.0	0.06%	1	2909	ATWAB-INC, CA
49	200915	2873.3	0.18%	3	8620	MRFK, NO
50	150805	2845.7	0.17%
Total		856903.2	30.01%

50 Most active Prefixes for the past 14 days

RANK	PREFIX	UPDs	%	Origin AS -- AS NAME
1	2a0f:85c1:8b9::/48	556526	10.82%	214028 -- MAHDI-UMRAN, ID
2	2a03:eec0:3212::/48	128172	2.49%	22616 -- ZSCALER-SJC1, US
3	2a06:2c80:4000::/36	107204	2.09%	203062 -- ALEXANDRE-ROUX-ASRINFOPRO Alexandre Roux trading as ASR INFOPRO, FR
4	2a06:2c87:e000::/36	77230	1.50%	203062 -- ALEXANDRE-ROUX-ASRINFOPRO Alexandre Roux trading as ASR INFOPRO, FR
5	2a02:1391:5100::/40	31108	0.61%	21351 -- CANALPLUSTELECOM, GP
6	2a0c:b641:302::/47	23417	0.46%	204210 -- ZEUSPACKAGINGLTD, IE
7	240d:c010:165::/48	21384	0.42%	139341 -- ACE-AS-AP ACE, SG
8	2605:9c40::/32	20233	0.39%	23420 -- AS-DAVENPRO, US
9	2001:6b0:4::/48	19039	0.37%	2832 -- AS-SUNET-TESTBED, SE
10	2806:202::/32	18517	0.36%	28458 -- IENTC S DE RL DE CV, MX
11	2804:6850::/32	17624	0.34%	269684 -- LANFIBRA TELECOMUNICACOES - EIRELI, BR
12	2605:de00:bb::/48	16741	0.33%	30083 -- AS-30083-US-VELIA-NET, DE
13	2605:6480::/32	14852	0.29%	92 -- CLARKSON-AS, US
14	2001:67c:20fc::/48	13660	0.27%	210564 -- SWANTZTER-AS, SE
15	2a14:7583:2a00::/42	12031	0.23%	211281 -- NEOHOST-AS, RO
16	2803:5d10::/32	11646	0.23%	272053 -- ANTUNES FLORES SERGIO OMAR NUEVA NET, AR
17	2804:9524::/32	11598	0.23%	61625 --
18	2a07:db01:40::/42	11461	0.22%	204527 -- BJNIP, DE
19	2610:a1:1028::/48	10953	0.21%	19905 -- SECURITYSERVICES, US
20	2a05:4140:304::/48	10602	0.21%	204508 -- MLGT, IT
21	2a05:4140:380::/42	10586	0.21%	204508 -- MLGT, IT
22	2a05:4140:316::/48	10495	0.20%	204508 -- MLGT, IT
23	2804:51f8::/32	10480	0.20%	268487 -- PRISMA TELECOMUNICACOES LTDA. EPP, BR
24	2a05:4140:333::/48	10445	0.20%	204508 -- MLGT, IT
25	2001:678:20c::/48	9628	0.19%	39409 -- SWG-MYROOTPW, AT
26	2a10:9902:111::/48	9625	0.19%	214493 -- FTSELL, DE
27	2a10:9906:1001::/48	9624	0.19%	39409 -- SWG-MYROOTPW, AT
28	2a10:9906:1002::/48	9624	0.19%	39409 -- SWG-MYROOTPW, AT
29	2a10:9906:3020::/48	9621	0.19%	39409 -- SWG-MYROOTPW, AT
30	2a0f:6580:104::/48	9579	0.19%	200334 -- NETOPS-TR netops lab Network Operations Center, TR
31	2a03:2100:19::/48	9435	0.18%	51559 -- NETINTERNET Netinternet Bilisim Teknolojileri AS, TR
32	2a03:2100:24::/48	9363	0.18%	51559 -- NETINTERNET Netinternet Bilisim Teknolojileri AS, TR
33	2a03:2100:20::/48	9351	0.18%	51559 -- NETINTERNET Netinternet Bilisim Teknolojileri AS, TR
34	2a03:2100:22::/48	9339	0.18%	51559 -- NETINTERNET Netinternet Bilisim Teknolojileri AS, TR
35	2a03:2100:12::/48	9323	0.18%	51559 -- NETINTERNET Netinternet Bilisim Teknolojileri AS, TR
36	2a03:2100:2b::/48	9310	0.18%	51559 -- NETINTERNET Netinternet Bilisim Teknolojileri AS, TR
37	2a03:2100:13::/48	9288	0.18%	51559 -- NETINTERNET Netinternet Bilisim Teknolojileri AS, TR
38	2a03:2100:2d::/48	9237	0.18%	51559 -- NETINTERNET Netinternet Bilisim Teknolojileri AS, TR
39	2a03:2100:29::/48	9222	0.18%	51559 -- NETINTERNET Netinternet Bilisim Teknolojileri AS, TR
40	2a03:2100:2e::/48	9148	0.18%	51559 -- NETINTERNET Netinternet Bilisim Teknolojileri AS, TR
41	2a03:2100:21::/48	9112	0.18%	51559 -- NETINTERNET Netinternet Bilisim Teknolojileri AS, TR
42	2a03:2100:2c::/48	9080	0.18%	51559 -- NETINTERNET Netinternet Bilisim Teknolojileri AS, TR
43	2a03:2100:23::/48	9059	0.18%	51559 -- NETINTERNET Netinternet Bilisim Teknolojileri AS, TR
44	2a03:2100:2f::/48	9041	0.18%	51559 -- NETINTERNET Netinternet Bilisim Teknolojileri AS, TR
45	2a03:2100:28::/48	9016	0.18%	51559 -- NETINTERNET Netinternet Bilisim Teknolojileri AS, TR
46	2a03:2100:2a::/48	9000	0.18%	51559 -- NETINTERNET Netinternet Bilisim Teknolojileri AS, TR
47	2a02:b48:83f1::/48	8980	0.17%	39572 -- ADVANCEDHOSTERS-AS, NL
48	2a14:7581:4560::/48	8814	0.17%	215171 -- PT. DETROIT NETWORK INDONESIA, ID
49	2a14:7581:4310::/48	8762	0.17%	215171 -- PT. DETROIT NETWORK INDONESIA, ID
50	2a0f:85c1:3ae::/48	8734	0.17%	215171 -- PT. DETROIT NETWORK INDONESIA, ID
Total		1416319	27.58%

14 Day BGP Update Statistics Profile: 24-September-2025 00:00 - 8-October-2025 23:59 (UTC+1000)

Number of BGP Update Messages:	26859194
Number of Prefix Changes:	31409439
Number of Prefix Updates:	26859194
Number of Prefix Withdrawals:	4550245
Average Prefixes per BGP Update:	1.17
Average BGP Update Messages per second:	22.21
Average Prefix Updates per second:	25.97
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:	4886278	(0.18 of recv'd updates)
Number of RIB Prefix Withdrawals:	255369	(0.06 of recv'd withdrawals)
Peak RIB Update Rate per second:	16325	(21:51:49 Wed, 1-Oct-2025)
Peak RIB Withdrawal Rate per second:	9651	(21:51:48 Wed, 1-Oct-2025)
Seen Prefix Count:	253382
Updated Prefix Count:	249807
Stable Prefix Count:	3575
Seen Origin AS Count:	35740
Updated Origin AS Count:	35703
Stable Origin AS Count:	37
Seen Unique Path Count:	205971
Updated Path Count:	190105
Stable Path Count:	15866

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