The BGP IPv6 Instability Report

This report is updated daily. The current report
was generated on 14 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	736061	14.77%	1	736061.00	MAHDI-UMRAN, ID
2	202256	398002	7.99%	1810	219.89	LAWLIETNET, CN
3	51559	232593	4.67%	98	2373.40	NETINTERNET Netinternet Bilisim Teknolojileri AS, TR
4	203062	231881	4.65%	18	12882.28	ALEXANDRE-ROUX-ASRINFOPRO Alexandre Roux trading as ASR INFOPRO, FR
5	22616	118109	2.37%	36	3280.81	ZSCALER-SJC1, US
6	16509	107993	2.17%	5495	19.65	AMAZON-02, US
7	53667	102509	2.06%	5976	17.15	PONYNET, US
8	38266	89883	1.80%	1368	65.70	VIL-AS-AP Vodafone Idea Ltd, IN
9	40138	84500	1.70%	40	2112.50	MDNET, US
10	211479	59377	1.19%	3	19792.33	N0EMIS-AS, DE
11	12041	52599	1.06%	229	229.69	AS-AFILIAS1, US
12	215171	42481	0.85%	5	8496.20	PT. DETROIT NETWORK INDONESIA, ID
13	39409	38580	0.77%	7	5511.43	SWG-MYROOTPW, AT
14	7552	36039	0.72%	3959	9.10	VIETEL-AS-AP Viettel Group, VN
15	213124	32361	0.65%	10	3236.10	ZYLINKTECH, US
16	21351	32142	0.64%	17	1890.71	CANALPLUSTELECOM, GP
17	211894	31026	0.62%	7	4432.29	UNGLEICH-PLACE18, CH
18	36530	29971	0.60%	33	908.21	FUTURE-LAIN, US
19	204508	28456	0.57%	18	1580.89	MLGT, IT
20	211281	26999	0.54%	7	3857.00	NEOHOST-AS, RO
21	10103	25752	0.52%	12	2146.00	HKBN-AS-AP HK Broadband Network Ltd., HK
22	13780	25146	0.50%	10	2514.60	MILEHIGHWALRUS-NETWORK, US
23	139341	24560	0.49%	166	147.95	ACE-AS-AP ACE, SG
24	55960	23986	0.48%	34	705.47	BJ-GUANGHUAN-AP Beijing Guanghuan Xinwang Digital, CN
25	136873	22530	0.45%	8	2816.25	MEGADATA-AS-ID MEGADATA-ISP, ID
26	204210	21956	0.44%	7	3136.57	ZEUSPACKAGINGLTD, IE
27	2832	20904	0.42%	1	20904.00	AS-SUNET-TESTBED, SE
28	23420	20576	0.41%	1	20576.00	AS-DAVENPRO, US
29	213092	20097	0.40%	12	1674.75	MARBLEIS, GB
30	36183	19177	0.38%	1644	11.66	AKAMAI-AS, US
31	28458	18563	0.37%	2	9281.50	IENTC S DE RL DE CV, MX
32	13335	18220	0.37%	3003	6.07	CLOUDFLARENET, US
33	21664	18073	0.36%	80	225.91	AMZN-BYOASN, US
34	28573	18056	0.36%	1573	11.48	Claro NXT Telecomunicacoes Ltda, BR
35	11172	18051	0.36%	2710	6.66	Alestra, S. de R.L. de C.V., MX
36	198351	17607	0.35%	32	550.22	SECUREWAN, GB
37	45271	17340	0.35%	1311	13.23	VIL-AS-AP Vodafone Idea Ltd, IN
38	92	15460	0.31%	1	15460.00	CLARKSON-AS, US
39	210258	15239	0.31%	54	282.20	WILDANET, GB
40	137409	14946	0.30%	1102	13.56	GSLNETWORKS-AS-AP GSL Networks Pty LTD, AU
41	151810	14427	0.29%	3	4809.00	PHYLAXISINC-AS-AP Phylaxis Korea, KR
42	210564	14211	0.29%	1	14211.00	SWANTZTER-AS, SE
43	11664	14140	0.28%	1080	13.09	Techtel LMDS Comunicaciones Interactivas S.A., AR
44	17072	13322	0.27%	1345	9.90	TOTAL PLAY TELECOMUNICACIONES SA DE CV, MX
45	36351	12926	0.26%	68	190.09	SOFTLAYER, US
46	206067	12875	0.26%	55	234.09	H3GUK, GB
47	19905	12813	0.26%	20	640.65	SECURITYSERVICES, US
48	215084	12444	0.25%	7	1777.71	BINSAR-APIKU-, ID
49	393577	12437	0.25%	7	1776.71	TRITAN-DEVELOPMENT, US
50	263137	11928	0.24%	15	795.20	YUNE NET TELECOMUNICACOES LTDA, BR
Total		3039324	60.97%

50 Most active ASes for the past 14 days

RANK	ASN	UPDs/Prefix	%	Prefixes	UPDs	AS NAME
1	214028	736061.0	14.77%	1	736061	MAHDI-UMRAN, ID
2	2832	20904.0	0.42%	1	20904	AS-SUNET-TESTBED, SE
3	23420	20576.0	0.41%	1	20576	AS-DAVENPRO, US
4	211479	19792.3	1.19%	3	59377	N0EMIS-AS, DE
5	92	15460.0	0.31%	1	15460	CLARKSON-AS, US
6	210564	14211.0	0.29%	1	14211	SWANTZTER-AS, SE
7	203062	12882.3	4.65%	18	231881	ALEXANDRE-ROUX-ASRINFOPRO Alexandre Roux trading as ASR INFOPRO, FR
8	61625	11523.0	0.23%	1	11523
9	214493	9634.0	0.19%	1	9634	FTSELL, DE
10	28458	9281.5	0.37%	2	18563	IENTC S DE RL DE CV, MX
11	215171	8496.2	0.85%	5	42481	PT. DETROIT NETWORK INDONESIA, ID
12	272053	8012.0	0.16%	1	8012	ANTUNES FLORES SERGIO OMAR NUEVA NET, AR
13	208812	6846.0	0.14%	1	6846	ONDRYA, US
14	213774	5961.0	0.12%	1	5961	NANCYANDSYSROM, US
15	41701	5576.0	0.11%	1	5576	CAP-FIN-AS, FI
16	39409	5511.4	0.77%	7	38580	SWG-MYROOTPW, AT
17	153997	5484.0	0.11%	1	5484	PROJECTELIV-AS-AP PROJECT ELIV, KR
18	26445	5192.0	0.10%	1	5192	OWL, US
19	199678	5020.0	0.10%	1	5020	AS-6RW-, RU
20	400395	4969.0	0.10%	1	4969	HONGSHIN-AS-NA, US
21	151810	4809.0	0.29%	3	14427	PHYLAXISINC-AS-AP Phylaxis Korea, KR
22	328631	4667.0	0.09%	1	4667	BallitoISP, ZA
23	265314	4639.0	0.09%	1	4639	Toolsoft Tecnologia Ltda, BR
24	211645	4617.0	0.09%	1	4617	SPG, DE
25	211894	4432.3	0.62%	7	31026	UNGLEICH-PLACE18, CH
26	141145	4429.0	0.09%	1	4429	GIGANET-AS-ID PT Giga Digital Nusantara, ID
27	399916	3897.0	0.08%	1	3897	PACKETSTREAM-NAM, US
28	139311	3858.5	0.15%	2	7717	STELLAIT-AS-AP Stella IT, KR
29	211281	3857.0	0.54%	7	26999	NEOHOST-AS, RO
30	198090	3741.0	0.08%	1	3741	ASLIBRA, IT
31	274464	3689.0	0.07%	1	3689
32	24474	3674.0	0.15%	2	7348	ASNPANYCAST Nepal Internet Exchange NP Anycast, NP
33	61609	3624.5	0.15%	2	7249	NextHop Solutions, BR
34	22616	3280.8	2.37%	36	118109	ZSCALER-SJC1, US
35	30083	3280.7	0.20%	3	9842	AS-30083-US-VELIA-NET, DE
36	213124	3236.1	0.65%	10	32361	ZYLINKTECH, US
37	204210	3136.6	0.44%	7	21956	ZEUSPACKAGINGLTD, IE
38	216141	3028.0	0.06%	1	3028	LEATYON-AS, IT
39	200915	3022.3	0.18%	3	9067	MRFK, NO
40	60129	2997.5	0.12%	2	5995	CSTI-NET, CH
41	136873	2816.2	0.45%	8	22530	MEGADATA-AS-ID MEGADATA-ISP, ID
42	402000	2808.0	0.06%	1	2808	ATWAB-INC, CA
43	269684	2798.2	0.22%	4	11193	LANFIBRA TELECOMUNICACOES - EIRELI, BR
44	58487	2692.5	0.11%	2	5385	CRI-AS-AP CV. Rumahweb Indonesia, ID
45	214366	2518.0	0.05%	1	2518	PRIVACYFIRST, AE
46	13780	2514.6	0.50%	10	25146	MILEHIGHWALRUS-NETWORK, US
47	150805	2419.0	0.15%	3	7257	A-FIN-KR-AS A-FIN KOREA CORP, KR
48	51559	2373.4	4.67%	98	232593	NETINTERNET Netinternet Bilisim Teknolojileri AS, TR
49	30700	2149.0	0.17%	4	8596	OWO-NETWORK, US
50	10103	2146.0	0.52%
Total		1032543.9	38.80%

50 Most active Prefixes for the past 14 days

RANK	PREFIX	UPDs	%	Origin AS -- AS NAME
1	2a0f:85c1:8b9::/48	736061	14.06%	214028 -- MAHDI-UMRAN, ID
2	2a06:2c80:4000::/36	150025	2.87%	203062 -- ALEXANDRE-ROUX-ASRINFOPRO Alexandre Roux trading as ASR INFOPRO, FR
3	2a03:eec0:3212::/48	118065	2.26%	22616 -- ZSCALER-SJC1, US
4	2a06:2c87:e000::/36	81714	1.56%	203062 -- ALEXANDRE-ROUX-ASRINFOPRO Alexandre Roux trading as ASR INFOPRO, FR
5	2a02:1391:5100::/40	32094	0.61%	21351 -- CANALPLUSTELECOM, GP
6	2a0e:8f02:f022::/48	29717	0.57%	211479 -- N0EMIS-AS, DE
7	2a0e:b107:1220::/44	29652	0.57%	211479 -- N0EMIS-AS, DE
8	240d:c010:165::/48	22134	0.42%	139341 -- ACE-AS-AP ACE, SG
9	2a0c:b641:302::/47	21910	0.42%	204210 -- ZEUSPACKAGINGLTD, IE
10	2001:6b0:4::/48	20904	0.40%	2832 -- AS-SUNET-TESTBED, SE
11	2605:9c40::/32	20576	0.39%	23420 -- AS-DAVENPRO, US
12	2806:202::/32	18549	0.35%	28458 -- IENTC S DE RL DE CV, MX
13	2605:6480::/32	15460	0.30%	92 -- CLARKSON-AS, US
14	2001:67c:20fc::/48	14211	0.27%	210564 -- SWANTZTER-AS, SE
15	2610:a1:1028::/48	12694	0.24%	19905 -- SECURITYSERVICES, US
16	2804:9524::/32	11523	0.22%	61625 --
17	2804:6850::/32	11181	0.21%	269684 -- LANFIBRA TELECOMUNICACOES - EIRELI, BR
18	2607:74c0:100::/44	9943	0.19%	10103 -- HKBN-AS-AP HK Broadband Network Ltd., HK
19	2605:de00:bb::/48	9836	0.19%	30083 -- AS-30083-US-VELIA-NET, DE
20	2607:74c0:110::/44	9680	0.18%	10103 -- HKBN-AS-AP HK Broadband Network Ltd., HK
21	2001:678:20c::/48	9638	0.18%	39409 -- SWG-MYROOTPW, AT
22	2a10:9906:1002::/48	9635	0.18%	39409 -- SWG-MYROOTPW, AT
23	2a10:9906:1001::/48	9635	0.18%	39409 -- SWG-MYROOTPW, AT
24	2a10:9902:111::/48	9634	0.18%	214493 -- FTSELL, DE
25	2a10:9906:3020::/48	9633	0.18%	39409 -- SWG-MYROOTPW, AT
26	2a0f:6580:104::/48	8815	0.17%	200334 -- NETOPS-TR netops lab Network Operations Center, TR
27	2a03:2100:18::/48	8715	0.17%	51559 -- NETINTERNET Netinternet Bilisim Teknolojileri AS, TR
28	2a03:2100:19::/48	8703	0.17%	51559 -- NETINTERNET Netinternet Bilisim Teknolojileri AS, TR
29	2a03:2100:22::/48	8679	0.17%	51559 -- NETINTERNET Netinternet Bilisim Teknolojileri AS, TR
30	2a14:7581:4310::/48	8662	0.17%	215171 -- PT. DETROIT NETWORK INDONESIA, ID
31	2a14:7581:4560::/48	8650	0.17%	215171 -- PT. DETROIT NETWORK INDONESIA, ID
32	2a03:2100:24::/48	8638	0.17%	51559 -- NETINTERNET Netinternet Bilisim Teknolojileri AS, TR
33	2a03:2100:20::/48	8627	0.16%	51559 -- NETINTERNET Netinternet Bilisim Teknolojileri AS, TR
34	2a03:2100:26::/48	8616	0.16%	51559 -- NETINTERNET Netinternet Bilisim Teknolojileri AS, TR
35	2a03:2100:13::/48	8594	0.16%	51559 -- NETINTERNET Netinternet Bilisim Teknolojileri AS, TR
36	2a03:2100:2b::/48	8582	0.16%	51559 -- NETINTERNET Netinternet Bilisim Teknolojileri AS, TR
37	2a0f:85c1:3ae::/48	8582	0.16%	215171 -- PT. DETROIT NETWORK INDONESIA, ID
38	2602:f7ee:ff::/48	8575	0.16%	30700 -- OWO-NETWORK, US
39	2a03:2100:2d::/48	8570	0.16%	51559 -- NETINTERNET Netinternet Bilisim Teknolojileri AS, TR
40	2a03:2100:1d::/48	8566	0.16%	51559 -- NETINTERNET Netinternet Bilisim Teknolojileri AS, TR
41	2a03:2100:29::/48	8540	0.16%	51559 -- NETINTERNET Netinternet Bilisim Teknolojileri AS, TR
42	2a03:2100:16::/48	8537	0.16%	51559 -- NETINTERNET Netinternet Bilisim Teknolojileri AS, TR
43	2a03:2100:2e::/48	8443	0.16%	51559 -- NETINTERNET Netinternet Bilisim Teknolojileri AS, TR
44	2a03:2100:21::/48	8382	0.16%	51559 -- NETINTERNET Netinternet Bilisim Teknolojileri AS, TR
45	2a03:2100:1a::/48	8378	0.16%	51559 -- NETINTERNET Netinternet Bilisim Teknolojileri AS, TR
46	2a03:2100:2c::/48	8370	0.16%	51559 -- NETINTERNET Netinternet Bilisim Teknolojileri AS, TR
47	2a03:2100:1c::/48	8364	0.16%	51559 -- NETINTERNET Netinternet Bilisim Teknolojileri AS, TR
48	2a03:2100:23::/48	8358	0.16%	51559 -- NETINTERNET Netinternet Bilisim Teknolojileri AS, TR
49	2a03:2100:2f::/48	8348	0.16%	51559 -- NETINTERNET Netinternet Bilisim Teknolojileri AS, TR
50	2a03:2100:25::/48	8348	0.16%	51559 -- NETINTERNET Netinternet Bilisim Teknolojileri AS, TR
Total		1637746	31.25%

14 Day BGP Update Statistics Profile: 29-September-2025 00:00 - 13-October-2025 23:59 (UTC+1000)

Number of BGP Update Messages:	27233187
Number of Prefix Changes:	31621703
Number of Prefix Updates:	27233187
Number of Prefix Withdrawals:	4388516
Average Prefixes per BGP Update:	1.16
Average BGP Update Messages per second:	22.51
Average Prefix Updates per second:	26.14
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:	4983297	(0.18 of recv'd updates)
Number of RIB Prefix Withdrawals:	250134	(0.06 of recv'd withdrawals)
Peak RIB Update Rate per second:	20903	(21:51:49 Wed, 1-Oct-2025)
Peak RIB Withdrawal Rate per second:	11347	(21:51:49 Wed, 1-Oct-2025)
Seen Prefix Count:	253980
Updated Prefix Count:	250312
Stable Prefix Count:	3668
Seen Origin AS Count:	35719
Updated Origin AS Count:	35690
Stable Origin AS Count:	29
Seen Unique Path Count:	207644
Updated Path Count:	194859
Stable Path Count:	12785

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