The BGP IPv6 Instability Report

This report is updated daily. The current report
was generated on 15 November 2025 01:22 (UTC+1000)

50 Most active ASes for the past 14 days

RANK	ASN	UPDs	%	Prefixes	UPDs/Prefix	AS NAME
1	214028	942817	19.37%	1	942817.00	MAHDI-UMRAN, ID
2	202256	466182	9.58%	1174	397.09	LAWLIETNET, CN
3	7552	355942	7.31%	3958	89.93	VIETEL-AS-AP Viettel Group, VN
4	22616	139146	2.86%	37	3760.70	ZSCALER-SJC1, US
5	199340	137053	2.82%	5033	27.23	HONG-GUANWAN, HK
6	16509	102756	2.11%	5508	18.66	AMAZON-02, US
7	203062	82418	1.69%	20	4120.90	ALEXANDRE-ROUX-ASRINFOPRO Alexandre Roux trading as ASR INFOPRO, FR
8	40138	82370	1.69%	41	2009.02	MDNET, US
9	42375	56907	1.17%	260	218.87	INET-AS, SC
10	267943	54570	1.12%	16	3410.62	SOL PROVEDOR DE INTERNETE LTDA - ME, BR
11	23736	51070	1.05%	46	1110.22	TTSSB-MY TM TECHNOLOGY SERVICES SDN. BHD., MY
12	211894	44073	0.91%	8	5509.12	UNGLEICH-PLACE18, CH
13	12041	41739	0.86%	228	183.07	AS-AFILIAS1, US
14	48456	41701	0.86%	180	231.67	IPX-AS, AE
15	38266	39099	0.80%	1387	28.19	VIL-AS-AP Vodafone Idea Ltd, IN
16	13780	32042	0.66%	10	3204.20	MILEHIGHWALRUS-NETWORK, US
17	21351	31021	0.64%	17	1824.76	CANALPLUSTELECOM, GP
18	216056	30903	0.63%	15	2060.20	XAVEN-NETWORK, CN
19	204508	30353	0.62%	18	1686.28	MLGT, IT
20	50529	28989	0.60%	126	230.07	FN-AS, AE
21	263262	28712	0.59%	21	1367.24	MOV TELECOM LTDA, BR
22	34567	27172	0.56%	114	238.35	NEXT-AS, HK
23	30083	25360	0.52%	3	8453.33	AS-30083-US-VELIA-NET, DE
24	139341	24340	0.50%	171	142.34	ACE-AS-AP ACE, SG
25	28598	23826	0.49%	14	1701.86	DB3 SERVICOS DE TELECOMUNICACOES S.A, BR
26	265500	23481	0.48%	10	2348.10	ALMEIRIM TELECOM LTDA - ME, BR
27	199553	23268	0.48%	6	3878.00	UNGLEICH-PLACE5, CH
28	262448	23076	0.47%	20	1153.80	DIALHOST INTERNET EIRELI, BR
29	265966	23009	0.47%	8	2876.12	J M P M ALENCAR & A G F ALENCAR LTDA - ME, BR
30	51559	22397	0.46%	98	228.54	NETINTERNET Netinternet Bilisim Teknolojileri AS, TR
31	136873	21334	0.44%	8	2666.75	MEGADATA-AS-ID MEGADATA-ISP, ID
32	39572	20970	0.43%	33	635.45	ADVANCEDHOSTERS-AS, NL
33	213092	20847	0.43%	12	1737.25	MARBLEIS, GB
34	23420	19916	0.41%	1	19916.00	AS-DAVENPRO, US
35	28458	19097	0.39%	2	9548.50	IENTC S DE RL DE CV, MX
36	10103	18129	0.37%	12	1510.75	HKBN-AS-AP HK Broadband Network Ltd., HK
37	271149	17986	0.37%	3	5995.33	K. R. VIOTO, BR
38	61845	16978	0.35%	3	5659.33	GRD TELECOMUNICACOES LTDA, BR
39	13335	15910	0.33%	2985	5.33	CLOUDFLARENET, US
40	56167	15552	0.32%	648	24.00	PTML-PK Plot No 181-186 Street, PK
41	209898	15345	0.32%	2	7672.50	UNGLEICH-UNGLEICH-UPSTREAM, CH
42	17072	15334	0.32%	1407	10.90	TOTAL PLAY TELECOMUNICACIONES SA DE CV, MX
43	39891	15146	0.31%	2058	7.36	ALJAWWALSTC-AS, SA
44	21664	15022	0.31%	37	406.00	AMZN-BYOASN, US
45	92	14239	0.29%	1	14239.00	CLARKSON-AS, US
46	9287	14235	0.29%	8	1779.38	TIDCC-AS-AP True Internet Data Center Company Limited, TH
47	64289	14139	0.29%	12	1178.25	MACARNE, US
48	61573	14132	0.29%	13	1087.08	Ip Telecom, BR
49	5416	13879	0.29%	1042	13.32	Internet Service Provider, BH
50	61164	13397	0.28%	57	235.04	LIR-AS, AE
Total		3367379	69.20%

50 Most active ASes for the past 14 days

RANK	ASN	UPDs/Prefix	%	Prefixes	UPDs	AS NAME
1	214028	942817.0	19.37%	1	942817	MAHDI-UMRAN, ID
2	23420	19916.0	0.41%	1	19916	AS-DAVENPRO, US
3	92	14239.0	0.29%	1	14239	CLARKSON-AS, US
4	61625	12530.0	0.26%	1	12530
5	210564	11950.0	0.25%	1	11950	SWANTZTER-AS, SE
6	272053	10501.0	0.22%	1	10501	ANTUNES FLORES SERGIO OMAR NUEVA NET, AR
7	28458	9548.5	0.39%	2	19097	IENTC S DE RL DE CV, MX
8	328631	9095.0	0.19%	1	9095	BallitoISP, ZA
9	11761	8983.0	0.18%	1	8983	KKCLOUD, US
10	30083	8453.3	0.52%	3	25360	AS-30083-US-VELIA-NET, DE
11	209898	7672.5	0.32%	2	15345	UNGLEICH-UNGLEICH-UPSTREAM, CH
12	271149	5995.3	0.37%	3	17986	K. R. VIOTO, BR
13	61845	5659.3	0.35%	3	16978	GRD TELECOMUNICACOES LTDA, BR
14	211894	5509.1	0.91%	8	44073	UNGLEICH-PLACE18, CH
15	41701	5412.0	0.11%	1	5412	CAP-FIN-AS, FI
16	30362	5107.0	0.10%	1	5107	HPT-ASN, US
17	141145	4888.0	0.10%	1	4888	GIGANET-AS-ID PT Giga Digital Nusantara, ID
18	211645	4691.0	0.10%	1	4691	SPG, DE
19	20915	4279.0	0.09%	1	4279	HUNDRED-PERCENT-IT, GB
20	265314	4267.0	0.09%	1	4267	Toolsoft Tecnologia Ltda, BR
21	203062	4120.9	1.69%	20	82418	ALEXANDRE-ROUX-ASRINFOPRO Alexandre Roux trading as ASR INFOPRO, FR
22	199553	3878.0	0.48%	6	23268	UNGLEICH-PLACE5, CH
23	22616	3760.7	2.86%	37	139146	ZSCALER-SJC1, US
24	198090	3746.0	0.08%	1	3746	ASLIBRA, IT
25	24474	3569.5	0.15%	2	7139	ASNPANYCAST Nepal Internet Exchange NP Anycast, NP
26	267943	3410.6	1.12%	16	54570	SOL PROVEDOR DE INTERNETE LTDA - ME, BR
27	270786	3286.0	0.07%	1	3286	CITYNET COM. DE PROD. DE INFORMATICA LTDA, BR
28	199678	3221.0	0.07%	1	3221	AS-6RW-, RU
29	13780	3204.2	0.66%	10	32042	MILEHIGHWALRUS-NETWORK, US
30	138535	3004.0	0.19%	3	9012	FURDEVS-AS-AP Wu Qi, CN
31	265966	2876.1	0.47%	8	23009	J M P M ALENCAR & A G F ALENCAR LTDA - ME, BR
32	214498	2801.0	0.06%	1	2801	MCLARENAPPLIED, GB
33	149500	2737.2	0.22%	4	10949	SR-AS-AP Shane Renshaw, HK
34	199235	2724.0	0.06%	1	2724	MIKROHALO-HU-AS, HU
35	136873	2666.8	0.44%	8	21334	MEGADATA-AS-ID MEGADATA-ISP, ID
36	271944	2525.0	0.05%	1	2525	AUDIBEL TELECOMUNICACIONES S.A., AR
37	268064	2412.0	0.05%	1	2412	Net 1000 Telecom Ltda, BR
38	264042	2393.7	0.15%	3	7181	CRISPIM E GOMES TELECOM LTDA, BR
39	199689	2389.0	0.05%	1	2389	JOSHA-PRIOR Netralex BYOIP, NL
40	265500	2348.1	0.48%	10	23481	ALMEIRIM TELECOM LTDA - ME, BR
41	216056	2060.2	0.63%	15	30903	XAVEN-NETWORK, CN
42	264525	2038.6	0.21%	5	10193	Coelho Tecnologia, BR
43	40138	2009.0	1.69%	41	82370	MDNET, US
44	272685	1872.0	0.04%	1	1872	R A PROVEDOR DE INTERNET E COMERCIO LTDA, BR
45	21351	1824.8	0.64%	17	31021	CANALPLUSTELECOM, GP
46	267336	1781.0	0.07%	2	3562	RED SHOPPING INFORMATICA PARAGOMINAS LTDA, BR
47	9287	1779.4	0.29%	8	14235	TIDCC-AS-AP True Internet Data Center Company Limited, TH
48	214909	1767.0	0.18%	5	8835	SVERRES-AS, NO
49	213092	1737.2	0.43%	12	20847	MARBLEIS, GB
50	263611	1717.0	0.11%
Total		1181173	38.31%

50 Most active Prefixes for the past 14 days

RANK	PREFIX	UPDs	%	Origin AS -- AS NAME
1	2a0f:85c1:8b9::/48	942817	18.39%	214028 -- MAHDI-UMRAN, ID
2	2a03:eec0:3212::/48	139067	2.71%	22616 -- ZSCALER-SJC1, US
3	2a02:1391:5100::/40	31006	0.60%	21351 -- CANALPLUSTELECOM, GP
4	2a06:2c82:8000::/33	30517	0.60%	203062 -- ALEXANDRE-ROUX-ASRINFOPRO Alexandre Roux trading as ASR INFOPRO, FR
5	2a06:2c80:4000::/36	29709	0.58%	203062 -- ALEXANDRE-ROUX-ASRINFOPRO Alexandre Roux trading as ASR INFOPRO, FR
6	2605:de00:bb::/48	25358	0.49%	30083 -- AS-30083-US-VELIA-NET, DE
7	2804:248:100::/40	23685	0.46%	28598 -- DB3 SERVICOS DE TELECOMUNICACOES S.A, BR
8	240d:c010:165::/48	22447	0.44%	139341 -- ACE-AS-AP ACE, SG
9	2a06:2c87:e000::/36	22080	0.43%	203062 -- ALEXANDRE-ROUX-ASRINFOPRO Alexandre Roux trading as ASR INFOPRO, FR
10	2a07:54c1:2205::/48	20466	0.40%	216056 -- XAVEN-NETWORK, CN
11	2605:9c40::/32	19916	0.39%	23420 -- AS-DAVENPRO, US
12	2806:202::/32	19095	0.37%	28458 -- IENTC S DE RL DE CV, MX
13	2a0a:e5c0:76::/48	15343	0.30%	209898 -- UNGLEICH-UNGLEICH-UPSTREAM, CH
14	2605:6480::/32	14239	0.28%	92 -- CLARKSON-AS, US
15	2a14:3f87:9800::/38	13978	0.27%	64289 -- MACARNE, US
16	2804:9524::/32	12530	0.24%	61625 --
17	2610:a1:1028::/48	11958	0.23%	19905 -- SECURITYSERVICES, US
18	2001:67c:20fc::/48	11950	0.23%	210564 -- SWANTZTER-AS, SE
19	2a02:b48:83f3::/48	11485	0.22%	39572 -- ADVANCEDHOSTERS-AS, NL
20	2402:3a80:c00e::/48	10901	0.21%	38266 -- VIL-AS-AP Vodafone Idea Ltd, IN
21	2a05:4140:333::/48	10652	0.21%	204508 -- MLGT, IT
22	2a05:4140:316::/48	10602	0.21%	204508 -- MLGT, IT
23	2803:5d10::/32	10501	0.20%	272053 -- ANTUNES FLORES SERGIO OMAR NUEVA NET, AR
24	2a07:54c1:2202::/48	10319	0.20%	216056 -- XAVEN-NETWORK, CN
25	2804:20fc:2000::/36	10184	0.20%	264525 -- Coelho Tecnologia, BR
26	2a02:b48:83f1::/48	9399	0.18%	39572 -- ADVANCEDHOSTERS-AS, NL
27	2804:7704::/33	9334	0.18%	271149 -- K. R. VIOTO, BR
28	2a03:90c0:7a0::/44	9219	0.18%	59437 -- NORTHERNDATA, DE
29	2804:1a34:8000::/33	9136	0.18%	61845 -- GRD TELECOMUNICACOES LTDA, BR
30	2c0f:e8a8::/32	9096	0.18%	328631 -- BallitoISP, ZA
31	2406:840:e620::/48	9002	0.18%	138535 -- FURDEVS-AS-AP Wu Qi, CN
32	2602:f506::/40	8983	0.18%	11761 -- KKCLOUD, US
33	2804:7704:8000::/33	8638	0.17%	271149 -- K. R. VIOTO, BR
34	2602:fc09:cc::/48	8243	0.16%	13780 -- MILEHIGHWALRUS-NETWORK, US
35	2602:fc09:bb::/48	7992	0.16%	13780 -- MILEHIGHWALRUS-NETWORK, US
36	2602:fc09:aa::/48	7971	0.16%	13780 -- MILEHIGHWALRUS-NETWORK, US
37	2602:fc09:dd::/48	7830	0.15%	13780 -- MILEHIGHWALRUS-NETWORK, US
38	2804:1a34::/33	7824	0.15%	61845 -- GRD TELECOMUNICACOES LTDA, BR
39	2a0a:5480:4::/48	7818	0.15%	211894 -- UNGLEICH-PLACE18, CH
40	2a0a:5480::/48	7818	0.15%	211894 -- UNGLEICH-PLACE18, CH
41	2a0a:5480:1::/48	7818	0.15%	211894 -- UNGLEICH-PLACE18, CH
42	2a0a:5480:1ac::/48	7816	0.15%	211894 -- UNGLEICH-PLACE18, CH
43	2a0a:5480:2::/48	7813	0.15%	211894 -- UNGLEICH-PLACE18, CH
44	2a0a:e5c1:517::/48	7592	0.15%	199553 -- UNGLEICH-PLACE5, CH
45	2a0a:e5c0:45::/48	7592	0.15%	199553 -- UNGLEICH-PLACE5, CH
46	2a0a:e5c0:16::/48	7591	0.15%	199553 -- UNGLEICH-PLACE5, CH
47	2a13:aac4:1000::/36	7462	0.15%	204508 -- MLGT, IT
48	2a01:fb05:4000::/36	7120	0.14%	216096 -- SECUREPEAK, AD
49	2400:58a0:1003::/48	7113	0.14%	149500 -- SR-AS-AP Shane Renshaw, HK
50	2600:6c7f:9370::/44	6612	0.13%	19115 -- CHARTER-19115-DC, US
Total		1683637	32.83%

14 Day BGP Update Statistics Profile: 31-October-2025 00:00 - 14-November-2025 23:59 (UTC+1000)

Number of BGP Update Messages:	27130293
Number of Prefix Changes:	31626829
Number of Prefix Updates:	27130293
Number of Prefix Withdrawals:	4496536
Average Prefixes per BGP Update:	1.17
Average BGP Update Messages per second:	22.43
Average Prefix Updates per second:	26.15
Peak BGP Update Message Rate per second:	81528	(02:25:46 Tue, 4-Nov-2025)
Peak Prefix Update Rate per second:	81528	(02:25:46 Tue, 4-Nov-2025)
Peak Prefix Withdraw Rate per second:	2051	(13:50:23 Wed, 12-Nov-2025, )
Number of RIB Prefix Updates:	4866744	(0.18 of recv'd updates)
Number of RIB Prefix Withdrawals:	260988	(0.06 of recv'd withdrawals)
Peak RIB Update Rate per second:	49397	(02:25:46 Tue, 4-Nov-2025)
Peak RIB Withdrawal Rate per second:	2035	(13:50:39 Wed, 12-Nov-2025)
Seen Prefix Count:	250580
Updated Prefix Count:	250578
Stable Prefix Count:	2
Seen Origin AS Count:	35877
Updated Origin AS Count:	34828
Stable Origin AS Count:	1049
Seen Unique Path Count:	182469
Updated Path Count:	156059
Stable Path Count:	26410

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