The BGP IPv6 Instability Report

This report is updated daily. The current report
was generated on 9 November 2025 01:30 (UTC+1000)

50 Most active ASes for the past 14 days

RANK	ASN	UPDs	%	Prefixes	UPDs/Prefix	AS NAME
1	214028	936560	18.61%	1	936560.00	MAHDI-UMRAN, ID
2	202256	455313	9.05%	1177	386.84	LAWLIETNET, CN
3	7552	257020	5.11%	3958	64.94	VIETEL-AS-AP Viettel Group, VN
4	203062	157909	3.14%	20	7895.45	ALEXANDRE-ROUX-ASRINFOPRO Alexandre Roux trading as ASR INFOPRO, FR
5	22616	141169	2.81%	37	3815.38	ZSCALER-SJC1, US
6	199340	122601	2.44%	6053	20.25	HONG-GUANWAN, HK
7	16509	100623	2.00%	5507	18.27	AMAZON-02, US
8	39891	96292	1.91%	2120	45.42	ALJAWWALSTC-AS, SA
9	40138	83869	1.67%	39	2150.49	MDNET, US
10	211894	51172	1.02%	8	6396.50	UNGLEICH-PLACE18, CH
11	38266	45602	0.91%	1383	32.97	VIL-AS-AP Vodafone Idea Ltd, IN
12	51559	41221	0.82%	98	420.62	NETINTERNET Netinternet Bilisim Teknolojileri AS, TR
13	12041	40664	0.81%	228	178.35	AS-AFILIAS1, US
14	13780	39082	0.78%	10	3908.20	MILEHIGHWALRUS-NETWORK, US
15	39572	36644	0.73%	33	1110.42	ADVANCEDHOSTERS-AS, NL
16	9287	34003	0.68%	8	4250.38	TIDCC-AS-AP True Internet Data Center Company Limited, TH
17	21351	31521	0.63%	17	1854.18	CANALPLUSTELECOM, GP
18	216056	30896	0.61%	15	2059.73	XAVEN-NETWORK, CN
19	213092	30287	0.60%	12	2523.92	MARBLEIS, GB
20	204508	28430	0.57%	18	1579.44	MLGT, IT
21	36351	28345	0.56%	71	399.23	SOFTLAYER, US
22	19551	23959	0.48%	702	34.13	INCAPSULA, US
23	199553	23866	0.47%	6	3977.67	UNGLEICH-PLACE5, CH
24	28598	22878	0.45%	14	1634.14	DB3 SERVICOS DE TELECOMUNICACOES S.A, BR
25	13335	21598	0.43%	3020	7.15	CLOUDFLARENET, US
26	267943	21443	0.43%	16	1340.19	SOL PROVEDOR DE INTERNETE LTDA - ME, BR
27	139341	21066	0.42%	168	125.39	ACE-AS-AP ACE, SG
28	22724	20578	0.41%	140	146.99	PUNTONET S.A., EC
29	55960	20484	0.41%	34	602.47	BJ-GUANGHUAN-AP Beijing Guanghuan Xinwang Digital, CN
30	23420	20232	0.40%	1	20232.00	AS-DAVENPRO, US
31	10103	19046	0.38%	12	1587.17	HKBN-AS-AP HK Broadband Network Ltd., HK
32	28458	18099	0.36%	2	9049.50	IENTC S DE RL DE CV, MX
33	17072	17707	0.35%	1405	12.60	TOTAL PLAY TELECOMUNICACIONES SA DE CV, MX
34	262448	17359	0.35%	20	867.95	DIALHOST INTERNET EIRELI, BR
35	28573	16311	0.32%	1625	10.04	Claro NXT Telecomunicacoes Ltda, BR
36	204210	15872	0.32%	6	2645.33	ZEUSPACKAGINGLTD, IE
37	92	15747	0.31%	1	15747.00	CLARKSON-AS, US
38	21664	15027	0.30%	36	417.42	AMZN-BYOASN, US
39	263262	14979	0.30%	21	713.29	MOV TELECOM LTDA, BR
40	210564	13512	0.27%	1	13512.00	SWANTZTER-AS, SE
41	211281	13509	0.27%	7	1929.86	NEOHOST-AS, RO
42	209898	12875	0.26%	2	6437.50	UNGLEICH-UNGLEICH-UPSTREAM, CH
43	36183	12794	0.25%	1638	7.81	AKAMAI-AS, US
44	56167	12312	0.24%	648	19.00	PTML-PK Plot No 181-186 Street, PK
45	5416	12303	0.24%	1042	11.81	Internet Service Provider, BH
46	39409	12136	0.24%	7	1733.71	SWG-MYROOTPW, AT
47	61573	11502	0.23%	13	884.77	Ip Telecom, BR
48	45899	11443	0.23%	332	34.47	VNPT-AS-VN VNPT Corp, VN
49	8151	11403	0.23%	457	24.95	UNINET, MX
50	4601	11360	0.23%	2047	5.55	DNET DaKnObNET, GR
Total		3270623	65.04%

50 Most active ASes for the past 14 days

RANK	ASN	UPDs/Prefix	%	Prefixes	UPDs	AS NAME
1	214028	936560.0	18.61%	1	936560	MAHDI-UMRAN, ID
2	23420	20232.0	0.40%	1	20232	AS-DAVENPRO, US
3	92	15747.0	0.31%	1	15747	CLARKSON-AS, US
4	210564	13512.0	0.27%	1	13512	SWANTZTER-AS, SE
5	328631	9702.0	0.19%	1	9702	BallitoISP, ZA
6	28458	9049.5	0.36%	2	18099	IENTC S DE RL DE CV, MX
7	272053	8461.0	0.17%	1	8461	ANTUNES FLORES SERGIO OMAR NUEVA NET, AR
8	203062	7895.4	3.14%	20	157909	ALEXANDRE-ROUX-ASRINFOPRO Alexandre Roux trading as ASR INFOPRO, FR
9	61625	7432.0	0.15%	1	7432
10	209898	6437.5	0.26%	2	12875	UNGLEICH-UNGLEICH-UPSTREAM, CH
11	211894	6396.5	1.02%	8	51172	UNGLEICH-PLACE18, CH
12	2832	6287.0	0.12%	1	6287	AS-SUNET-TESTBED, SE
13	211645	5498.0	0.11%	1	5498	SPG, DE
14	199678	5399.0	0.11%	1	5399	AS-6RW-, RU
15	41701	5367.0	0.11%	1	5367	CAP-FIN-AS, FI
16	30362	5095.0	0.10%	1	5095	HPT-ASN, US
17	20915	4862.0	0.10%	1	4862	HUNDRED-PERCENT-IT, GB
18	9287	4250.4	0.68%	8	34003	TIDCC-AS-AP True Internet Data Center Company Limited, TH
19	199553	3977.7	0.47%	6	23866	UNGLEICH-PLACE5, CH
20	13780	3908.2	0.78%	10	39082	MILEHIGHWALRUS-NETWORK, US
21	22616	3815.4	2.81%	37	141169	ZSCALER-SJC1, US
22	11761	3814.0	0.08%	1	3814	KKCLOUD, US
23	273454	3733.3	0.22%	3	11200	TELVIA TELECOMUNICACOES LTDA, BR
24	24474	3573.0	0.14%	2	7146	ASNPANYCAST Nepal Internet Exchange NP Anycast, NP
25	265314	3543.0	0.07%	1	3543	Toolsoft Tecnologia Ltda, BR
26	138535	3344.3	0.20%	3	10033	FURDEVS-AS-AP Wu Qi, CN
27	214493	3032.0	0.06%	1	3032	FTSELL, DE
28	44297	2934.0	0.06%	1	2934	ICODIA ICODIA NETWORK INTEGRITY, FR
29	199235	2742.0	0.05%	1	2742	MIKROHALO-HU-AS, HU
30	204210	2645.3	0.32%	6	15872	ZEUSPACKAGINGLTD, IE
31	214498	2570.0	0.05%	1	2570	MCLARENAPPLIED, GB
32	213092	2523.9	0.60%	12	30287	MARBLEIS, GB
33	271149	2417.3	0.14%	3	7252	K. R. VIOTO, BR
34	268064	2410.0	0.05%	1	2410	Net 1000 Telecom Ltda, BR
35	61845	2167.7	0.13%	3	6503	GRD TELECOMUNICACOES LTDA, BR
36	26445	2167.0	0.04%	1	2167	OWL, US
37	40138	2150.5	1.67%	39	83869	MDNET, US
38	216056	2059.7	0.61%	15	30896	XAVEN-NETWORK, CN
39	208927	2047.0	0.04%	1	2047	WILO, DE
40	200915	2003.3	0.12%	3	6010	MRFK, NO
41	208812	1974.0	0.04%	1	1974	ONDRYA, US
42	149500	1938.0	0.15%	4	7752	SR-AS-AP Shane Renshaw, HK
43	211281	1929.9	0.27%	7	13509	NEOHOST-AS, RO
44	21351	1854.2	0.63%	17	31521	CANALPLUSTELECOM, GP
45	58419	1848.0	0.07%	2	3696	DATAVAIL-IN Datavail Infotech Pvt Ltd, IN
46	141145	1848.0	0.04%	1	1848	GIGANET-AS-ID PT Giga Digital Nusantara, ID
47	39409	1733.7	0.24%	7	12136	SWG-MYROOTPW, AT
48	56118	1727.0	0.03%	1	1727	OCSC-TH Office of the Civil Service Commission 47111 Tiwanon Road, Talad Kwan Sub-District, Muang District, Nonthaburi 11000, TH
49	199689	1641.0	0.03%	1	1641	JOSHA-PRIOR Netralex BYOIP, NL
50	214909	1640.8	0.20%
Total		1159896.5	36.62%

50 Most active Prefixes for the past 14 days

RANK	PREFIX	UPDs	%	Origin AS -- AS NAME
1	2a0f:85c1:8b9::/48	936560	17.71%	214028 -- MAHDI-UMRAN, ID
2	2a03:eec0:3212::/48	141121	2.67%	22616 -- ZSCALER-SJC1, US
3	2a06:2c87:e000::/36	66763	1.26%	203062 -- ALEXANDRE-ROUX-ASRINFOPRO Alexandre Roux trading as ASR INFOPRO, FR
4	2a06:2c80:4000::/36	60682	1.15%	203062 -- ALEXANDRE-ROUX-ASRINFOPRO Alexandre Roux trading as ASR INFOPRO, FR
5	2a02:1391:5100::/40	31500	0.60%	21351 -- CANALPLUSTELECOM, GP
6	2a06:2c82:8000::/33	30347	0.57%	203062 -- ALEXANDRE-ROUX-ASRINFOPRO Alexandre Roux trading as ASR INFOPRO, FR
7	2804:248:100::/40	22699	0.43%	28598 -- DB3 SERVICOS DE TELECOMUNICACOES S.A, BR
8	2a07:54c1:2205::/48	20466	0.39%	216056 -- XAVEN-NETWORK, CN
9	2605:9c40::/32	20232	0.38%	23420 -- AS-DAVENPRO, US
10	2a02:b48:83f3::/48	19016	0.36%	39572 -- ADVANCEDHOSTERS-AS, NL
11	240d:c010:165::/48	18303	0.35%	139341 -- ACE-AS-AP ACE, SG
12	2806:202::/32	18097	0.34%	28458 -- IENTC S DE RL DE CV, MX
13	2a02:b48:83f1::/48	17413	0.33%	39572 -- ADVANCEDHOSTERS-AS, NL
14	2a0c:b641:302::/47	15859	0.30%	204210 -- ZEUSPACKAGINGLTD, IE
15	2605:6480::/32	15747	0.30%	92 -- CLARKSON-AS, US
16	2402:3a80:c00e::/48	15044	0.28%	38266 -- VIL-AS-AP Vodafone Idea Ltd, IN
17	2001:67c:20fc::/48	13513	0.26%	210564 -- SWANTZTER-AS, SE
18	2a0a:e5c0:76::/48	12862	0.24%	209898 -- UNGLEICH-UNGLEICH-UPSTREAM, CH
19	2610:a1:1028::/48	10813	0.20%	19905 -- SECURITYSERVICES, US
20	2a07:54c1:2202::/48	10319	0.20%	216056 -- XAVEN-NETWORK, CN
21	2a02:e982:15::/48	10195	0.19%	19551 -- INCAPSULA, US
22	2406:840:e620::/48	10022	0.19%	138535 -- FURDEVS-AS-AP Wu Qi, CN
23	2602:fc09:cc::/48	9947	0.19%	13780 -- MILEHIGHWALRUS-NETWORK, US
24	2602:fc09:aa::/48	9932	0.19%	13780 -- MILEHIGHWALRUS-NETWORK, US
25	2c0f:e8a8::/32	9702	0.18%	328631 -- BallitoISP, ZA
26	2602:fc09:dd::/48	9650	0.18%	13780 -- MILEHIGHWALRUS-NETWORK, US
27	2602:fc09:bb::/48	9547	0.18%	13780 -- MILEHIGHWALRUS-NETWORK, US
28	2600:6c7f:9370::/44	9481	0.18%	19115 -- CHARTER-19115-DC, US
29	2a05:4140:333::/48	9001	0.17%	204508 -- MLGT, IT
30	2a05:4140:316::/48	8968	0.17%	204508 -- MLGT, IT
31	2001:fb0:1002::/48	8723	0.16%	9287 -- TIDCC-AS-AP True Internet Data Center Company Limited, TH
32	2001:fb0:1000::/48	8633	0.16%	9287 -- TIDCC-AS-AP True Internet Data Center Company Limited, TH
33	2001:fb0:1001::/48	8595	0.16%	9287 -- TIDCC-AS-AP True Internet Data Center Company Limited, TH
34	2a03:90c0:7a0::/44	8494	0.16%	59437 -- NORTHERNDATA, DE
35	2803:5d10::/32	8461	0.16%	272053 -- ANTUNES FLORES SERGIO OMAR NUEVA NET, AR
36	2a14:7581:b20::/46	8451	0.16%	214575 -- CUTECH Curious Universe Technology, CN
37	2a0a:5480:1ac::/48	7823	0.15%	211894 -- UNGLEICH-PLACE18, CH
38	2a0a:5480:1::/48	7823	0.15%	211894 -- UNGLEICH-PLACE18, CH
39	2a0a:5480:4::/48	7823	0.15%	211894 -- UNGLEICH-PLACE18, CH
40	2a0a:5480::/48	7822	0.15%	211894 -- UNGLEICH-PLACE18, CH
41	2a0a:5480:2::/48	7820	0.15%	211894 -- UNGLEICH-PLACE18, CH
42	2a0a:e5c0:45::/48	7595	0.14%	199553 -- UNGLEICH-PLACE5, CH
43	2a0a:e5c1:517::/48	7594	0.14%	199553 -- UNGLEICH-PLACE5, CH
44	2a0a:e5c0:16::/48	7593	0.14%	199553 -- UNGLEICH-PLACE5, CH
45	2804:20fc:2000::/36	7439	0.14%	264525 -- Coelho Tecnologia, BR
46	2804:9524::/32	7432	0.14%	61625 --
47	2001:1260:103::/48	7343	0.14%	13591 -- Mexico Red de Telecomunicaciones, S. de R.L. de C.V., MX
48	2400:58a0:1003::/48	6906	0.13%	149500 -- SR-AS-AP Shane Renshaw, HK
49	2a14:7583:2a80::/42	6722	0.13%	211281 -- NEOHOST-AS, RO
50	2a0b:4e07:29::/48	6719	0.13%	211281 -- NEOHOST-AS, RO
Total		1749612	33.08%

14 Day BGP Update Statistics Profile: 25-October-2025 00:00 - 8-November-2025 23:59 (UTC+1000)

Number of BGP Update Messages:	26768743
Number of Prefix Changes:	31260412
Number of Prefix Updates:	26768743
Number of Prefix Withdrawals:	4491669
Average Prefixes per BGP Update:	1.17
Average BGP Update Messages per second:	22.13
Average Prefix Updates per second:	25.84
Peak BGP Update Message Rate per second:	59102	(02:25:45 Tue, 4-Nov-2025)
Peak Prefix Update Rate per second:	59102	(02:25:45 Tue, 4-Nov-2025)
Peak Prefix Withdraw Rate per second:	791	(02:24:24 Tue, 4-Nov-2025, )
Number of RIB Prefix Updates:	5031313	(0.19 of recv'd updates)
Number of RIB Prefix Withdrawals:	255663	(0.06 of recv'd withdrawals)
Peak RIB Update Rate per second:	26176	(02:25:46 Tue, 4-Nov-2025)
Peak RIB Withdrawal Rate per second:	665	(02:24:24 Tue, 4-Nov-2025)
Seen Prefix Count:	250437
Updated Prefix Count:	250435
Stable Prefix Count:	2
Seen Origin AS Count:	35831
Updated Origin AS Count:	34782
Stable Origin AS Count:	1049
Seen Unique Path Count:	187458
Updated Path Count:	162807
Stable Path Count:	24651

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