The BGP IPv6 Instability Report

This report is updated daily. The current report
was generated on 17 November 2025 01:19 (UTC+1000)

50 Most active ASes for the past 14 days

RANK	ASN	UPDs	%	Prefixes	UPDs/Prefix	AS NAME
1	202256	461627	11.07%	1174	393.21	LAWLIETNET, CN
2	7552	363259	8.71%	3958	91.78	VIETEL-AS-AP Viettel Group, VN
3	214028	222189	5.33%	1	222189.00	MAHDI-UMRAN, ID
4	199340	138952	3.33%	4594	30.25	HONG-GUANWAN, HK
5	22616	127273	3.05%	37	3439.81	ZSCALER-SJC1, US
6	16509	102872	2.47%	5508	18.68	AMAZON-02, US
7	42375	86418	2.07%	260	332.38	INET-AS, SC
8	40138	78299	1.88%	41	1909.73	MDNET, US
9	48456	65164	1.56%	180	362.02	IPX-AS, AE
10	38266	63773	1.53%	1391	45.85	VIL-AS-AP Vodafone Idea Ltd, IN
11	51559	58013	1.39%	98	591.97	NETINTERNET Netinternet Bilisim Teknolojileri AS, TR
12	211894	57636	1.38%	8	7204.50	UNGLEICH-PLACE18, CH
13	23736	53342	1.28%	46	1159.61	TTSSB-MY TM TECHNOLOGY SERVICES SDN. BHD., MY
14	50529	45267	1.09%	126	359.26	FN-AS, AE
15	267943	43310	1.04%	16	2706.88	SOL PROVEDOR DE INTERNETE LTDA - ME, BR
16	203062	42167	1.01%	20	2108.35	ALEXANDRE-ROUX-ASRINFOPRO Alexandre Roux trading as ASR INFOPRO, FR
17	12041	41936	1.01%	228	183.93	AS-AFILIAS1, US
18	34567	40845	0.98%	114	358.29	NEXT-AS, HK
19	21351	31379	0.75%	17	1845.82	CANALPLUSTELECOM, GP
20	216056	30891	0.74%	15	2059.40	XAVEN-NETWORK, CN
21	13780	28317	0.68%	10	2831.70	MILEHIGHWALRUS-NETWORK, US
22	30083	26928	0.65%	3	8976.00	AS-30083-US-VELIA-NET, DE
23	28598	25785	0.62%	14	1841.79	DB3 SERVICOS DE TELECOMUNICACOES S.A, BR
24	213092	24507	0.59%	12	2042.25	MARBLEIS, GB
25	139341	23514	0.56%	171	137.51	ACE-AS-AP ACE, SG
26	199553	23250	0.56%	6	3875.00	UNGLEICH-PLACE5, CH
27	265500	22828	0.55%	10	2282.80	ALMEIRIM TELECOM LTDA - ME, BR
28	271149	22497	0.54%	3	7499.00	K. R. VIOTO, BR
29	263262	22437	0.54%	21	1068.43	MOV TELECOM LTDA, BR
30	262448	21625	0.52%	20	1081.25	DIALHOST INTERNET EIRELI, BR
31	56167	20088	0.48%	648	31.00	PTML-PK Plot No 181-186 Street, PK
32	61164	20082	0.48%	57	352.32	LIR-AS, AE
33	23420	20067	0.48%	1	20067.00	AS-DAVENPRO, US
34	136873	20048	0.48%	8	2506.00	MEGADATA-AS-ID MEGADATA-ISP, ID
35	28458	18752	0.45%	2	9376.00	IENTC S DE RL DE CV, MX
36	39572	17973	0.43%	33	544.64	ADVANCEDHOSTERS-AS, NL
37	10103	17680	0.42%	12	1473.33	HKBN-AS-AP HK Broadband Network Ltd., HK
38	265966	17090	0.41%	8	2136.25	J M P M ALENCAR & A G F ALENCAR LTDA - ME, BR
39	61845	16962	0.41%	3	5654.00	GRD TELECOMUNICACOES LTDA, BR
40	64289	16707	0.40%	12	1392.25	MACARNE, US
41	61573	15810	0.38%	13	1216.15	Ip Telecom, BR
42	17072	15528	0.37%	1407	11.04	TOTAL PLAY TELECOMUNICACIONES SA DE CV, MX
43	39891	15512	0.37%	2058	7.54	ALJAWWALSTC-AS, SA
44	209898	15108	0.36%	2	7554.00	UNGLEICH-UNGLEICH-UPSTREAM, CH
45	21664	15072	0.36%	37	407.35	AMZN-BYOASN, US
46	5416	14891	0.36%	1042	14.29	Internet Service Provider, BH
47	92	14275	0.34%	1	14275.00	CLARKSON-AS, US
48	13335	14258	0.34%	2985	4.78	CLOUDFLARENET, US
49	45271	12284	0.29%	1262	9.73	VIL-AS-AP Vodafone Idea Ltd, IN
50	272053	12128	0.29%	1	12128.00	ANTUNES FLORES SERGIO OMAR NUEVA NET, AR
Total		2726615	65.38%

50 Most active ASes for the past 14 days

RANK	ASN	UPDs/Prefix	%	Prefixes	UPDs	AS NAME
1	214028	222189.0	5.33%	1	222189	MAHDI-UMRAN, ID
2	23420	20067.0	0.48%	1	20067	AS-DAVENPRO, US
3	92	14275.0	0.34%	1	14275	CLARKSON-AS, US
4	272053	12128.0	0.29%	1	12128	ANTUNES FLORES SERGIO OMAR NUEVA NET, AR
5	210564	11754.0	0.28%	1	11754	SWANTZTER-AS, SE
6	61625	11336.0	0.27%	1	11336
7	11761	10569.0	0.25%	1	10569	KKCLOUD, US
8	28458	9376.0	0.45%	2	18752	IENTC S DE RL DE CV, MX
9	30083	8976.0	0.65%	3	26928	AS-30083-US-VELIA-NET, DE
10	328631	8868.0	0.21%	1	8868	BallitoISP, ZA
11	209898	7554.0	0.36%	2	15108	UNGLEICH-UNGLEICH-UPSTREAM, CH
12	271149	7499.0	0.54%	3	22497	K. R. VIOTO, BR
13	211894	7204.5	1.38%	8	57636	UNGLEICH-PLACE18, CH
14	61845	5654.0	0.41%	3	16962	GRD TELECOMUNICACOES LTDA, BR
15	41701	5534.0	0.13%	1	5534	CAP-FIN-AS, FI
16	141145	4787.0	0.11%	1	4787	GIGANET-AS-ID PT Giga Digital Nusantara, ID
17	30362	4590.0	0.11%	1	4590	HPT-ASN, US
18	211645	4428.0	0.11%	1	4428	SPG, DE
19	265314	4254.0	0.10%	1	4254	Toolsoft Tecnologia Ltda, BR
20	203664	4060.0	0.10%	1	4060	LANXING-AS, CN
21	20915	4021.0	0.10%	1	4021	HUNDRED-PERCENT-IT, GB
22	199553	3875.0	0.56%	6	23250	UNGLEICH-PLACE5, CH
23	198090	3763.0	0.09%	1	3763	ASLIBRA, IT
24	271944	3622.0	0.09%	1	3622	AUDIBEL TELECOMUNICACIONES S.A., AR
25	24474	3621.5	0.17%	2	7243	ASNPANYCAST Nepal Internet Exchange NP Anycast, NP
26	22616	3439.8	3.05%	37	127273	ZSCALER-SJC1, US
27	138535	2953.3	0.21%	3	8860	FURDEVS-AS-AP Wu Qi, CN
28	13780	2831.7	0.68%	10	28317	MILEHIGHWALRUS-NETWORK, US
29	214498	2809.0	0.07%	1	2809	MCLARENAPPLIED, GB
30	266919	2775.0	0.07%	1	2775	MDS INTERNET E SERVICO DE INFORMATICA LTDA. ME, BR
31	267943	2706.9	1.04%	16	43310	SOL PROVEDOR DE INTERNETE LTDA - ME, BR
32	199235	2686.0	0.06%	1	2686	MIKROHALO-HU-AS, HU
33	270786	2633.0	0.06%	1	2633	CITYNET COM. DE PROD. DE INFORMATICA LTDA, BR
34	136873	2506.0	0.48%	8	20048	MEGADATA-AS-ID MEGADATA-ISP, ID
35	199689	2453.0	0.06%	1	2453	JOSHA-PRIOR Netralex BYOIP, NL
36	268064	2412.0	0.06%	1	2412	Net 1000 Telecom Ltda, BR
37	6871	2323.0	0.17%	3	6969	PLUSNET UK Internet Service Provider, GB
38	265500	2282.8	0.55%	10	22828	ALMEIRIM TELECOM LTDA - ME, BR
39	200915	2174.0	0.16%	3	6522	MRFK, NO
40	265966	2136.2	0.41%	8	17090	J M P M ALENCAR & A G F ALENCAR LTDA - ME, BR
41	149500	2117.0	0.20%	4	8468	SR-AS-AP Shane Renshaw, HK
42	203062	2108.3	1.01%	20	42167	ALEXANDRE-ROUX-ASRINFOPRO Alexandre Roux trading as ASR INFOPRO, FR
43	216056	2059.4	0.74%	15	30891	XAVEN-NETWORK, CN
44	213092	2042.2	0.59%	12	24507	MARBLEIS, GB
45	214909	1953.8	0.23%	5	9769	SVERRES-AS, NO
46	40138	1909.7	1.88%	41	78299	MDNET, US
47	21351	1845.8	0.75%	17	31379	CANALPLUSTELECOM, GP
48	28598	1841.8	0.62%	14	25785	DB3 SERVICOS DE TELECOMUNICACOES S.A, BR
49	262901	1806.5	0.09%	2	3613	Vcnet Provedora de Internet Ltda., BR
50	264042	1792.7	0.13%
Total		462603.9	26.28%

50 Most active Prefixes for the past 14 days

RANK	PREFIX	UPDs	%	Origin AS -- AS NAME
1	2a0f:85c1:8b9::/48	222189	5.01%	214028 -- MAHDI-UMRAN, ID
2	2a03:eec0:3212::/48	127194	2.87%	22616 -- ZSCALER-SJC1, US
3	2a02:1391:5100::/40	31364	0.71%	21351 -- CANALPLUSTELECOM, GP
4	2605:de00:bb::/48	26926	0.61%	30083 -- AS-30083-US-VELIA-NET, DE
5	2804:248:100::/40	25674	0.58%	28598 -- DB3 SERVICOS DE TELECOMUNICACOES S.A, BR
6	240d:c010:165::/48	21906	0.49%	139341 -- ACE-AS-AP ACE, SG
7	2a07:54c1:2205::/48	20466	0.46%	216056 -- XAVEN-NETWORK, CN
8	2a06:2c82:8000::/33	20235	0.46%	203062 -- ALEXANDRE-ROUX-ASRINFOPRO Alexandre Roux trading as ASR INFOPRO, FR
9	2605:9c40::/32	20067	0.45%	23420 -- AS-DAVENPRO, US
10	2806:202::/32	18750	0.42%	28458 -- IENTC S DE RL DE CV, MX
11	2a14:3f87:9800::/38	16546	0.37%	64289 -- MACARNE, US
12	2a0a:e5c0:76::/48	15105	0.34%	209898 -- UNGLEICH-UNGLEICH-UPSTREAM, CH
13	2a06:2c80:4000::/36	14738	0.33%	203062 -- ALEXANDRE-ROUX-ASRINFOPRO Alexandre Roux trading as ASR INFOPRO, FR
14	2605:6480::/32	14275	0.32%	92 -- CLARKSON-AS, US
15	2803:5d10::/32	12128	0.27%	272053 -- ANTUNES FLORES SERGIO OMAR NUEVA NET, AR
16	2804:7704:8000::/33	11872	0.27%	271149 -- K. R. VIOTO, BR
17	2001:67c:20fc::/48	11755	0.27%	210564 -- SWANTZTER-AS, SE
18	2804:9524::/32	11336	0.26%	61625 --
19	2804:7704::/33	10613	0.24%	271149 -- K. R. VIOTO, BR
20	2602:f506::/40	10569	0.24%	11761 -- KKCLOUD, US
21	2610:a1:1028::/48	10366	0.23%	19905 -- SECURITYSERVICES, US
22	2a07:54c1:2202::/48	10319	0.23%	216056 -- XAVEN-NETWORK, CN
23	2402:3a80:c00e::/48	9639	0.22%	38266 -- VIL-AS-AP Vodafone Idea Ltd, IN
24	2804:1a34:8000::/33	9128	0.21%	61845 -- GRD TELECOMUNICACOES LTDA, BR
25	2a03:90c0:7a0::/44	9095	0.21%	59437 -- NORTHERNDATA, DE
26	2a02:b48:83f1::/48	9005	0.20%	39572 -- ADVANCEDHOSTERS-AS, NL
27	2a02:b48:83f3::/48	8916	0.20%	39572 -- ADVANCEDHOSTERS-AS, NL
28	2c0f:e8a8::/32	8868	0.20%	328631 -- BallitoISP, ZA
29	2406:840:e620::/48	8852	0.20%	138535 -- FURDEVS-AS-AP Wu Qi, CN
30	2a02:e982:15::/48	8581	0.19%	19551 -- INCAPSULA, US
31	2a01:fb05:4000::/36	8139	0.18%	216096 -- SECUREPEAK, AD
32	2804:1a34::/33	7816	0.18%	61845 -- GRD TELECOMUNICACOES LTDA, BR
33	2a0a:5480:4::/48	7790	0.18%	211894 -- UNGLEICH-PLACE18, CH
34	2a0a:5480::/48	7790	0.18%	211894 -- UNGLEICH-PLACE18, CH
35	2a0a:5480:1::/48	7790	0.18%	211894 -- UNGLEICH-PLACE18, CH
36	2a0a:5480:3::/48	7787	0.18%	211894 -- UNGLEICH-PLACE18, CH
37	2a0a:5480:1ac::/48	7786	0.18%	211894 -- UNGLEICH-PLACE18, CH
38	2a0a:5480:2::/48	7786	0.18%	211894 -- UNGLEICH-PLACE18, CH
39	2a0a:5480:5::/48	7785	0.18%	211894 -- UNGLEICH-PLACE18, CH
40	2a0a:e5c0:45::/48	7578	0.17%	199553 -- UNGLEICH-PLACE5, CH
41	2a0a:e5c0:16::/48	7577	0.17%	199553 -- UNGLEICH-PLACE5, CH
42	2a0a:e5c1:517::/48	7577	0.17%	199553 -- UNGLEICH-PLACE5, CH
43	2a13:aac4:1000::/36	7464	0.17%	204508 -- MLGT, IT
44	2602:fc09:cc::/48	7292	0.16%	13780 -- MILEHIGHWALRUS-NETWORK, US
45	2400:58a0:1003::/48	7104	0.16%	149500 -- SR-AS-AP Shane Renshaw, HK
46	2602:fc09:bb::/48	7093	0.16%	13780 -- MILEHIGHWALRUS-NETWORK, US
47	2a06:2c87:e000::/36	7093	0.16%	203062 -- ALEXANDRE-ROUX-ASRINFOPRO Alexandre Roux trading as ASR INFOPRO, FR
48	2602:fc09:aa::/48	6978	0.16%	13780 -- MILEHIGHWALRUS-NETWORK, US
49	2a02:16c8::/35	6967	0.16%	6871 -- PLUSNET UK Internet Service Provider, GB
50	2602:fc09:dd::/48	6948	0.16%	13780 -- MILEHIGHWALRUS-NETWORK, US
Total		906617	20.48%

14 Day BGP Update Statistics Profile: 2-November-2025 00:00 - 16-November-2025 23:59 (UTC+1000)

Number of BGP Update Messages:	27352469
Number of Prefix Changes:	31834708
Number of Prefix Updates:	27352469
Number of Prefix Withdrawals:	4482239
Average Prefixes per BGP Update:	1.16
Average BGP Update Messages per second:	22.61
Average Prefix Updates per second:	26.32
Peak BGP Update Message Rate per second:	93032	(02:25:46 Tue, 4-Nov-2025)
Peak Prefix Update Rate per second:	93032	(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:	4169936	(0.15 of recv'd updates)
Number of RIB Prefix Withdrawals:	263058	(0.06 of recv'd withdrawals)
Peak RIB Update Rate per second:	59251	(02:25:46 Tue, 4-Nov-2025)
Peak RIB Withdrawal Rate per second:	2035	(13:50:39 Wed, 12-Nov-2025)
Seen Prefix Count:	249977
Updated Prefix Count:	249975
Stable Prefix Count:	2
Seen Origin AS Count:	35877
Updated Origin AS Count:	34828
Stable Origin AS Count:	1049
Seen Unique Path Count:	178871
Updated Path Count:	152463
Stable Path Count:	26408

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