The BGP IPv6 Instability Report

This report is updated daily. The current report
was generated on 14 November 2025 01:25 (UTC+1000)

50 Most active ASes for the past 14 days

RANK	ASN	UPDs	%	Prefixes	UPDs/Prefix	AS NAME
1	202256	463575	10.76%	1175	394.53	LAWLIETNET, CN
2	214028	382165	8.87%	1	382165.00	MAHDI-UMRAN, ID
3	7552	326064	7.57%	3958	82.38	VIETEL-AS-AP Viettel Group, VN
4	22616	140539	3.26%	37	3798.35	ZSCALER-SJC1, US
5	199340	135913	3.15%	5116	26.57	HONG-GUANWAN, HK
6	16509	102247	2.37%	5509	18.56	AMAZON-02, US
7	203062	93585	2.17%	20	4679.25	ALEXANDRE-ROUX-ASRINFOPRO Alexandre Roux trading as ASR INFOPRO, FR
8	40138	83335	1.93%	41	2032.56	MDNET, US
9	38266	57354	1.33%	1385	41.41	VIL-AS-AP Vodafone Idea Ltd, IN
10	267943	56085	1.30%	16	3505.31	SOL PROVEDOR DE INTERNETE LTDA - ME, BR
11	23736	50795	1.18%	47	1080.74	TTSSB-MY TM TECHNOLOGY SERVICES SDN. BHD., MY
12	211894	45298	1.05%	8	5662.25	UNGLEICH-PLACE18, CH
13	12041	40885	0.95%	228	179.32	AS-AFILIAS1, US
14	51559	39354	0.91%	98	401.57	NETINTERNET Netinternet Bilisim Teknolojileri AS, TR
15	39891	37757	0.88%	2058	18.35	ALJAWWALSTC-AS, SA
16	13780	32250	0.75%	10	3225.00	MILEHIGHWALRUS-NETWORK, US
17	21351	31062	0.72%	17	1827.18	CANALPLUSTELECOM, GP
18	216056	30908	0.72%	15	2060.53	XAVEN-NETWORK, CN
19	204508	30747	0.71%	18	1708.17	MLGT, IT
20	42375	30396	0.71%	260	116.91	NETEX-42375-AS, SC
21	139341	25013	0.58%	170	147.14	ACE-AS-AP ACE, SG
22	30083	24944	0.58%	3	8314.67	AS-30083-US-VELIA-NET, DE
23	213092	24896	0.58%	12	2074.67	MARBLEIS, GB
24	265966	24243	0.56%	8	3030.38	J M P M ALENCAR & A G F ALENCAR LTDA - ME, BR
25	263262	23635	0.55%	21	1125.48	MOV TELECOM LTDA, BR
26	262448	23339	0.54%	20	1166.95	DIALHOST INTERNET EIRELI, BR
27	199553	23222	0.54%	6	3870.33	UNGLEICH-PLACE5, CH
28	28598	23082	0.54%	14	1648.71	DB3 SERVICOS DE TELECOMUNICACOES S.A, BR
29	265500	22698	0.53%	10	2269.80	ALMEIRIM TELECOM LTDA - ME, BR
30	9287	22335	0.52%	8	2791.88	TIDCC-AS-AP True Internet Data Center Company Limited, TH
31	136873	21624	0.50%	8	2703.00	MEGADATA-AS-ID MEGADATA-ISP, ID
32	39572	20968	0.49%	33	635.39	ADVANCEDHOSTERS-AS, NL
33	48456	20713	0.48%	180	115.07	IPX-AS, AE
34	23420	19911	0.46%	1	19911.00	AS-DAVENPRO, US
35	10103	18799	0.44%	12	1566.58	HKBN-AS-AP HK Broadband Network Ltd., HK
36	28458	18773	0.44%	2	9386.50	IENTC S DE RL DE CV, MX
37	19551	17075	0.40%	696	24.53	INCAPSULA, US
38	61845	16978	0.39%	3	5659.33	GRD TELECOMUNICACOES LTDA, BR
39	271149	16609	0.39%	3	5536.33	K. R. VIOTO, BR
40	56167	16200	0.38%	648	25.00	PTML-PK Plot No 181-186 Street, PK
41	13335	15845	0.37%	2980	5.32	CLOUDFLARENET, US
42	209898	15192	0.35%	2	7596.00	UNGLEICH-UNGLEICH-UPSTREAM, CH
43	17072	14960	0.35%	1405	10.65	TOTAL PLAY TELECOMUNICACIONES SA DE CV, MX
44	21664	14926	0.35%	37	403.41	AMZN-BYOASN, US
45	92	14468	0.34%	1	14468.00	CLARKSON-AS, US
46	50529	14441	0.34%	126	114.61	FN-AS, AE
47	61573	13676	0.32%	13	1052.00	Ip Telecom, BR
48	34567	12809	0.30%	114	112.36	NEXT-AS, HK
49	36351	12805	0.30%	71	180.35	SOFTLAYER, US
50	64289	12696	0.29%	12	1058.00	MACARNE, US
Total		2777189	64.49%

50 Most active ASes for the past 14 days

RANK	ASN	UPDs/Prefix	%	Prefixes	UPDs	AS NAME
1	214028	382165.0	8.87%	1	382165	MAHDI-UMRAN, ID
2	23420	19911.0	0.46%	1	19911	AS-DAVENPRO, US
3	92	14468.0	0.34%	1	14468	CLARKSON-AS, US
4	210564	12065.0	0.28%	1	12065	SWANTZTER-AS, SE
5	61625	11771.0	0.27%	1	11771
6	11761	9929.0	0.23%	1	9929	KKCLOUD, US
7	272053	9823.0	0.23%	1	9823	ANTUNES FLORES SERGIO OMAR NUEVA NET, AR
8	28458	9386.5	0.44%	2	18773	IENTC S DE RL DE CV, MX
9	328631	9172.0	0.21%	1	9172	BallitoISP, ZA
10	30083	8314.7	0.58%	3	24944	AS-30083-US-VELIA-NET, DE
11	209898	7596.0	0.35%	2	15192	UNGLEICH-UNGLEICH-UPSTREAM, CH
12	141145	5955.0	0.14%	1	5955	GIGANET-AS-ID PT Giga Digital Nusantara, ID
13	199678	5903.0	0.14%	1	5903	AS-6RW-, RU
14	211894	5662.2	1.05%	8	45298	UNGLEICH-PLACE18, CH
15	61845	5659.3	0.39%	3	16978	GRD TELECOMUNICACOES LTDA, BR
16	271149	5536.3	0.39%	3	16609	K. R. VIOTO, BR
17	41701	5352.0	0.12%	1	5352	CAP-FIN-AS, FI
18	30362	5241.0	0.12%	1	5241	HPT-ASN, US
19	211645	4801.0	0.11%	1	4801	SPG, DE
20	203062	4679.2	2.17%	20	93585	ALEXANDRE-ROUX-ASRINFOPRO Alexandre Roux trading as ASR INFOPRO, FR
21	20915	4247.0	0.10%	1	4247	HUNDRED-PERCENT-IT, GB
22	265314	4141.0	0.10%	1	4141	Toolsoft Tecnologia Ltda, BR
23	199553	3870.3	0.54%	6	23222	UNGLEICH-PLACE5, CH
24	22616	3798.4	3.26%	37	140539	ZSCALER-SJC1, US
25	198090	3745.0	0.09%	1	3745	ASLIBRA, IT
26	24474	3558.0	0.17%	2	7116	ASNPANYCAST Nepal Internet Exchange NP Anycast, NP
27	267943	3505.3	1.30%	16	56085	SOL PROVEDOR DE INTERNETE LTDA - ME, BR
28	270786	3438.0	0.08%	1	3438	CITYNET COM. DE PROD. DE INFORMATICA LTDA, BR
29	13780	3225.0	0.75%	10	32250	MILEHIGHWALRUS-NETWORK, US
30	265966	3030.4	0.56%	8	24243	J M P M ALENCAR & A G F ALENCAR LTDA - ME, BR
31	138535	2988.7	0.21%	3	8966	FURDEVS-AS-AP Wu Qi, CN
32	214498	2811.0	0.07%	1	2811	MCLARENAPPLIED, GB
33	9287	2791.9	0.52%	8	22335	TIDCC-AS-AP True Internet Data Center Company Limited, TH
34	199235	2742.0	0.06%	1	2742	MIKROHALO-HU-AS, HU
35	136873	2703.0	0.50%	8	21624	MEGADATA-AS-ID MEGADATA-ISP, ID
36	268064	2412.0	0.06%	1	2412	Net 1000 Telecom Ltda, BR
37	264042	2410.0	0.17%	3	7230	CRISPIM E GOMES TELECOM LTDA, BR
38	199689	2374.0	0.06%	1	2374	JOSHA-PRIOR Netralex BYOIP, NL
39	265500	2269.8	0.53%	10	22698	ALMEIRIM TELECOM LTDA - ME, BR
40	213092	2074.7	0.58%	12	24896	MARBLEIS, GB
41	216056	2060.5	0.72%	15	30908	XAVEN-NETWORK, CN
42	40138	2032.6	1.93%	41	83335	MDNET, US
43	271944	1963.0	0.05%	1	1963	AUDIBEL TELECOMUNICACIONES S.A., AR
44	6871	1955.3	0.14%	3	5866	PLUSNET UK Internet Service Provider, GB
45	272685	1954.0	0.05%	1	1954	R A PROVEDOR DE INTERNET E COMERCIO LTDA, BR
46	149500	1833.8	0.17%	4	7335	SR-AS-AP Shane Renshaw, HK
47	21351	1827.2	0.72%	17	31062	CANALPLUSTELECOM, GP
48	267336	1819.0	0.08%	2	3638	RED SHOPPING INFORMATICA PARAGOMINAS LTDA, BR
49	271176	1737.5	0.08%	2	3475	Christopher Eduardo Fistarol ME, BR
50	204508	1708.2	0.71%
Total		624416.8	31.25%

50 Most active Prefixes for the past 14 days

RANK	PREFIX	UPDs	%	Origin AS -- AS NAME
1	2a0f:85c1:8b9::/48	382165	8.36%	214028 -- MAHDI-UMRAN, ID
2	2a03:eec0:3212::/48	140462	3.07%	22616 -- ZSCALER-SJC1, US
3	2a06:2c80:4000::/36	41648	0.91%	203062 -- ALEXANDRE-ROUX-ASRINFOPRO Alexandre Roux trading as ASR INFOPRO, FR
4	2a02:1391:5100::/40	31046	0.68%	21351 -- CANALPLUSTELECOM, GP
5	2a06:2c82:8000::/33	30347	0.66%	203062 -- ALEXANDRE-ROUX-ASRINFOPRO Alexandre Roux trading as ASR INFOPRO, FR
6	2605:de00:bb::/48	24942	0.55%	30083 -- AS-30083-US-VELIA-NET, DE
7	2804:248:100::/40	22925	0.50%	28598 -- DB3 SERVICOS DE TELECOMUNICACOES S.A, BR
8	240d:c010:165::/48	22767	0.50%	139341 -- ACE-AS-AP ACE, SG
9	2a06:2c87:e000::/36	21479	0.47%	203062 -- ALEXANDRE-ROUX-ASRINFOPRO Alexandre Roux trading as ASR INFOPRO, FR
10	2a07:54c1:2205::/48	20466	0.45%	216056 -- XAVEN-NETWORK, CN
11	2605:9c40::/32	19911	0.44%	23420 -- AS-DAVENPRO, US
12	2806:202::/32	18771	0.41%	28458 -- IENTC S DE RL DE CV, MX
13	2a0a:e5c0:76::/48	15189	0.33%	209898 -- UNGLEICH-UNGLEICH-UPSTREAM, CH
14	2605:6480::/32	14468	0.32%	92 -- CLARKSON-AS, US
15	2a14:3f87:9800::/38	12649	0.28%	64289 -- MACARNE, US
16	2610:a1:1028::/48	12339	0.27%	19905 -- SECURITYSERVICES, US
17	2001:67c:20fc::/48	12065	0.26%	210564 -- SWANTZTER-AS, SE
18	2804:9524::/32	11771	0.26%	61625 --
19	2402:3a80:c00e::/48	11734	0.26%	38266 -- VIL-AS-AP Vodafone Idea Ltd, IN
20	2a02:b48:83f3::/48	11702	0.26%	39572 -- ADVANCEDHOSTERS-AS, NL
21	2a05:4140:333::/48	10376	0.23%	204508 -- MLGT, IT
22	2a05:4140:316::/48	10326	0.23%	204508 -- MLGT, IT
23	2a07:54c1:2202::/48	10319	0.23%	216056 -- XAVEN-NETWORK, CN
24	2a02:e982:15::/48	9960	0.22%	19551 -- INCAPSULA, US
25	2602:f506::/40	9929	0.22%	11761 -- KKCLOUD, US
26	2803:5d10::/32	9823	0.22%	272053 -- ANTUNES FLORES SERGIO OMAR NUEVA NET, AR
27	2a03:90c0:7a0::/44	9573	0.21%	59437 -- NORTHERNDATA, DE
28	2c0f:e8a8::/32	9172	0.20%	328631 -- BallitoISP, ZA
29	2a02:b48:83f1::/48	9160	0.20%	39572 -- ADVANCEDHOSTERS-AS, NL
30	2804:1a34:8000::/33	9136	0.20%	61845 -- GRD TELECOMUNICACOES LTDA, BR
31	2406:840:e620::/48	8956	0.20%	138535 -- FURDEVS-AS-AP Wu Qi, CN
32	2804:7704::/33	8564	0.19%	271149 -- K. R. VIOTO, BR
33	2602:fc09:cc::/48	8305	0.18%	13780 -- MILEHIGHWALRUS-NETWORK, US
34	2602:fc09:aa::/48	8050	0.18%	13780 -- MILEHIGHWALRUS-NETWORK, US
35	2602:fc09:bb::/48	8048	0.18%	13780 -- MILEHIGHWALRUS-NETWORK, US
36	2804:7704:8000::/33	8031	0.18%	271149 -- K. R. VIOTO, BR
37	2602:fc09:dd::/48	7841	0.17%	13780 -- MILEHIGHWALRUS-NETWORK, US
38	2804:1a34::/33	7824	0.17%	61845 -- GRD TELECOMUNICACOES LTDA, BR
39	2a0a:5480::/48	7807	0.17%	211894 -- UNGLEICH-PLACE18, CH
40	2a0a:5480:4::/48	7807	0.17%	211894 -- UNGLEICH-PLACE18, CH
41	2a0a:5480:1::/48	7807	0.17%	211894 -- UNGLEICH-PLACE18, CH
42	2a0a:5480:1ac::/48	7806	0.17%	211894 -- UNGLEICH-PLACE18, CH
43	2a0a:5480:2::/48	7803	0.17%	211894 -- UNGLEICH-PLACE18, CH
44	2a0a:e5c0:45::/48	7575	0.17%	199553 -- UNGLEICH-PLACE5, CH
45	2a0a:e5c1:517::/48	7574	0.17%	199553 -- UNGLEICH-PLACE5, CH
46	2a0a:e5c0:16::/48	7574	0.17%	199553 -- UNGLEICH-PLACE5, CH
47	2600:6c7f:9370::/44	7396	0.16%	19115 -- CHARTER-19115-DC, US
48	2a13:aac4:1000::/36	7259	0.16%	204508 -- MLGT, IT
49	2a0c:b641:302::/47	7125	0.16%	204210 -- ZEUSPACKAGINGLTD, IE
50	2400:58a0:1003::/48	6948	0.15%	149500 -- SR-AS-AP Shane Renshaw, HK
Total		1132720	24.84%

14 Day BGP Update Statistics Profile: 30-October-2025 00:00 - 13-November-2025 23:59 (UTC+1000)

Number of BGP Update Messages:	26547976
Number of Prefix Changes:	30982207
Number of Prefix Updates:	26547976
Number of Prefix Withdrawals:	4434231
Average Prefixes per BGP Update:	1.17
Average BGP Update Messages per second:	21.95
Average Prefix Updates per second:	25.61
Peak BGP Update Message Rate per second:	72172	(02:25:46 Tue, 4-Nov-2025)
Peak Prefix Update Rate per second:	72172	(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:	4308365	(0.16 of recv'd updates)
Number of RIB Prefix Withdrawals:	260265	(0.06 of recv'd withdrawals)
Peak RIB Update Rate per second:	44716	(02:25:46 Tue, 4-Nov-2025)
Peak RIB Withdrawal Rate per second:	2035	(13:50:39 Wed, 12-Nov-2025)
Seen Prefix Count:	249998
Updated Prefix Count:	249996
Stable Prefix Count:	2
Seen Origin AS Count:	35837
Updated Origin AS Count:	34788
Stable Origin AS Count:	1049
Seen Unique Path Count:	182818
Updated Path Count:	156287
Stable Path Count:	26531

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