The BGP IPv6 Instability Report

This report is updated daily. The current report
was generated on 12 November 2025 01:27 (UTC+1000)

50 Most active ASes for the past 14 days

RANK	ASN	UPDs	%	Prefixes	UPDs/Prefix	AS NAME
1	214028	935813	18.50%	1	935813.00	MAHDI-UMRAN, ID
2	202256	465672	9.21%	1176	395.98	LAWLIETNET, CN
3	7552	298311	5.90%	3958	75.37	VIETEL-AS-AP Viettel Group, VN
4	22616	141041	2.79%	37	3811.92	ZSCALER-SJC1, US
5	203062	134656	2.66%	20	6732.80	ALEXANDRE-ROUX-ASRINFOPRO Alexandre Roux trading as ASR INFOPRO, FR
6	199340	132998	2.63%	5122	25.97	HONG-GUANWAN, HK
7	39891	120784	2.39%	2058	58.69	ALJAWWALSTC-AS, SA
8	16509	100981	2.00%	5499	18.36	AMAZON-02, US
9	40138	82613	1.63%	39	2118.28	MDNET, US
10	51559	69977	1.38%	98	714.05	NETINTERNET Netinternet Bilisim Teknolojileri AS, TR
11	267943	69102	1.37%	16	4318.88	SOL PROVEDOR DE INTERNETE LTDA - ME, BR
12	38266	61938	1.22%	1385	44.72	VIL-AS-AP Vodafone Idea Ltd, IN
13	211894	47630	0.94%	8	5953.75	UNGLEICH-PLACE18, CH
14	12041	40947	0.81%	228	179.59	AS-AFILIAS1, US
15	13780	36053	0.71%	10	3605.30	MILEHIGHWALRUS-NETWORK, US
16	265966	32312	0.64%	10	3231.20	J M P M ALENCAR & A G F ALENCAR LTDA - ME, BR
17	21351	31291	0.62%	17	1840.65	CANALPLUSTELECOM, GP
18	216056	30917	0.61%	15	2061.13	XAVEN-NETWORK, CN
19	39572	28300	0.56%	33	857.58	ADVANCEDHOSTERS-AS, NL
20	30083	24833	0.49%	3	8277.67	AS-30083-US-VELIA-NET, DE
21	213092	24739	0.49%	12	2061.58	MARBLEIS, GB
22	199553	23556	0.47%	6	3926.00	UNGLEICH-PLACE5, CH
23	262448	22526	0.45%	20	1126.30	DIALHOST INTERNET EIRELI, BR
24	9287	22220	0.44%	8	2777.50	TIDCC-AS-AP True Internet Data Center Company Limited, TH
25	36351	22190	0.44%	71	312.54	SOFTLAYER, US
26	136873	21771	0.43%	8	2721.38	MEGADATA-AS-ID MEGADATA-ISP, ID
27	139341	21054	0.42%	168	125.32	ACE-AS-AP ACE, SG
28	19551	20726	0.41%	704	29.44	INCAPSULA, US
29	28598	20315	0.40%	14	1451.07	DB3 SERVICOS DE TELECOMUNICACOES S.A, BR
30	23420	19959	0.39%	1	19959.00	AS-DAVENPRO, US
31	13335	19098	0.38%	3011	6.34	CLOUDFLARENET, US
32	28458	19063	0.38%	2	9531.50	IENTC S DE RL DE CV, MX
33	10103	17795	0.35%	12	1482.92	HKBN-AS-AP HK Broadband Network Ltd., HK
34	21664	15129	0.30%	36	420.25	AMZN-BYOASN, US
35	209898	15019	0.30%	2	7509.50	UNGLEICH-UNGLEICH-UPSTREAM, CH
36	17072	14439	0.29%	1409	10.25	TOTAL PLAY TELECOMUNICACIONES SA DE CV, MX
37	92	13965	0.28%	1	13965.00	CLARKSON-AS, US
38	61573	13960	0.28%	13	1073.85	Ip Telecom, BR
39	55960	13849	0.27%	34	407.32	BJ-GUANGHUAN-AP Beijing Guanghuan Xinwang Digital, CN
40	8151	13393	0.26%	457	29.31	UNINET, MX
41	265500	13372	0.26%	10	1337.20	ALMEIRIM TELECOM LTDA - ME, BR
42	271149	13359	0.26%	3	4453.00	K. R. VIOTO, BR
43	210564	12814	0.25%	1	12814.00	SWANTZTER-AS, SE
44	42375	12763	0.25%	258	49.47	NETEX-42375-AS, SC
45	36183	12682	0.25%	1639	7.74	AKAMAI-AS, US
46	19905	12643	0.25%	21	602.05	SECURITYSERVICES, US
47	5416	12522	0.25%	1042	12.02	Internet Service Provider, BH
48	56167	12312	0.24%	648	19.00	PTML-PK Plot No 181-186 Street, PK
49	45271	12183	0.24%	1257	9.69	VIL-AS-AP Vodafone Idea Ltd, IN
50	61845	11545	0.23%	3	3848.33	GRD TELECOMUNICACOES LTDA, BR
Total		3387130	66.97%

50 Most active ASes for the past 14 days

RANK	ASN	UPDs/Prefix	%	Prefixes	UPDs	AS NAME
1	214028	935813.0	18.50%	1	935813	MAHDI-UMRAN, ID
2	23420	19959.0	0.39%	1	19959	AS-DAVENPRO, US
3	92	13965.0	0.28%	1	13965	CLARKSON-AS, US
4	210564	12814.0	0.25%	1	12814	SWANTZTER-AS, SE
5	61625	9640.0	0.19%	1	9640
6	28458	9531.5	0.38%	2	19063	IENTC S DE RL DE CV, MX
7	328631	9436.0	0.19%	1	9436	BallitoISP, ZA
8	272053	9329.0	0.18%	1	9329	ANTUNES FLORES SERGIO OMAR NUEVA NET, AR
9	30083	8277.7	0.49%	3	24833	AS-30083-US-VELIA-NET, DE
10	209898	7509.5	0.30%	2	15019	UNGLEICH-UNGLEICH-UPSTREAM, CH
11	203062	6732.8	2.66%	20	134656	ALEXANDRE-ROUX-ASRINFOPRO Alexandre Roux trading as ASR INFOPRO, FR
12	11761	6658.0	0.13%	1	6658	KKCLOUD, US
13	211894	5953.8	0.94%	8	47630	UNGLEICH-PLACE18, CH
14	199678	5709.0	0.11%	1	5709	AS-6RW-, RU
15	30362	5524.0	0.11%	1	5524	HPT-ASN, US
16	141145	5498.0	0.11%	1	5498	GIGANET-AS-ID PT Giga Digital Nusantara, ID
17	41701	5372.0	0.11%	1	5372	CAP-FIN-AS, FI
18	211645	4890.0	0.10%	1	4890	SPG, DE
19	20915	4532.0	0.09%	1	4532	HUNDRED-PERCENT-IT, GB
20	271149	4453.0	0.26%	3	13359	K. R. VIOTO, BR
21	267943	4318.9	1.37%	16	69102	SOL PROVEDOR DE INTERNETE LTDA - ME, BR
22	265314	4120.0	0.08%	1	4120	Toolsoft Tecnologia Ltda, BR
23	270786	4061.0	0.08%	1	4061	CITYNET COM. DE PROD. DE INFORMATICA LTDA, BR
24	199553	3926.0	0.47%	6	23556	UNGLEICH-PLACE5, CH
25	61845	3848.3	0.23%	3	11545	GRD TELECOMUNICACOES LTDA, BR
26	22616	3811.9	2.79%	37	141041	ZSCALER-SJC1, US
27	198090	3737.0	0.07%	1	3737	ASLIBRA, IT
28	13780	3605.3	0.71%	10	36053	MILEHIGHWALRUS-NETWORK, US
29	24474	3532.5	0.14%	2	7065	ASNPANYCAST Nepal Internet Exchange NP Anycast, NP
30	265966	3231.2	0.64%	10	32312	J M P M ALENCAR & A G F ALENCAR LTDA - ME, BR
31	138535	3173.7	0.19%	3	9521	FURDEVS-AS-AP Wu Qi, CN
32	264042	2987.3	0.18%	3	8962	CRISPIM E GOMES TELECOM LTDA, BR
33	9287	2777.5	0.44%	8	22220	TIDCC-AS-AP True Internet Data Center Company Limited, TH
34	136873	2721.4	0.43%	8	21771	MEGADATA-AS-ID MEGADATA-ISP, ID
35	199235	2676.0	0.05%	1	2676	MIKROHALO-HU-AS, HU
36	214498	2577.0	0.05%	1	2577	MCLARENAPPLIED, GB
37	268064	2412.0	0.05%	1	2412	Net 1000 Telecom Ltda, BR
38	199689	2276.0	0.05%	1	2276	JOSHA-PRIOR Netralex BYOIP, NL
39	272685	2273.0	0.04%	1	2273	R A PROVEDOR DE INTERNET E COMERCIO LTDA, BR
40	267336	2240.5	0.09%	2	4481	RED SHOPPING INFORMATICA PARAGOMINAS LTDA, BR
41	40138	2118.3	1.63%	39	82613	MDNET, US
42	213092	2061.6	0.49%	12	24739	MARBLEIS, GB
43	216056	2061.1	0.61%	15	30917	XAVEN-NETWORK, CN
44	271176	2038.0	0.08%	2	4076	Christopher Eduardo Fistarol ME, BR
45	149500	1932.5	0.15%	4	7730	SR-AS-AP Shane Renshaw, HK
46	44297	1925.0	0.04%	1	1925	ICODIA ICODIA NETWORK INTEGRITY, FR
47	200915	1908.7	0.11%	3	5726	MRFK, NO
48	6871	1841.0	0.11%	3	5523	PLUSNET UK Internet Service Provider, GB
49	21351	1840.6	0.62%	17	31291	CANALPLUSTELECOM, GP
50	204210	1766.8	0.21%
Total		1175397.4	37.97%

50 Most active Prefixes for the past 14 days

RANK	PREFIX	UPDs	%	Origin AS -- AS NAME
1	2a0f:85c1:8b9::/48	935813	17.58%	214028 -- MAHDI-UMRAN, ID
2	2a03:eec0:3212::/48	140990	2.65%	22616 -- ZSCALER-SJC1, US
3	2a06:2c80:4000::/36	60404	1.13%	203062 -- ALEXANDRE-ROUX-ASRINFOPRO Alexandre Roux trading as ASR INFOPRO, FR
4	2a06:2c87:e000::/36	43788	0.82%	203062 -- ALEXANDRE-ROUX-ASRINFOPRO Alexandre Roux trading as ASR INFOPRO, FR
5	2a02:1391:5100::/40	31272	0.59%	21351 -- CANALPLUSTELECOM, GP
6	2a06:2c82:8000::/33	30347	0.57%	203062 -- ALEXANDRE-ROUX-ASRINFOPRO Alexandre Roux trading as ASR INFOPRO, FR
7	2605:de00:bb::/48	24831	0.47%	30083 -- AS-30083-US-VELIA-NET, DE
8	2a07:54c1:2205::/48	20466	0.38%	216056 -- XAVEN-NETWORK, CN
9	2804:248:100::/40	20168	0.38%	28598 -- DB3 SERVICOS DE TELECOMUNICACOES S.A, BR
10	2605:9c40::/32	19959	0.37%	23420 -- AS-DAVENPRO, US
11	2806:202::/32	19061	0.36%	28458 -- IENTC S DE RL DE CV, MX
12	240d:c010:165::/48	18753	0.35%	139341 -- ACE-AS-AP ACE, SG
13	2a02:b48:83f3::/48	15356	0.29%	39572 -- ADVANCEDHOSTERS-AS, NL
14	2a0a:e5c0:76::/48	15006	0.28%	209898 -- UNGLEICH-UNGLEICH-UPSTREAM, CH
15	2605:6480::/32	13965	0.26%	92 -- CLARKSON-AS, US
16	2402:3a80:c00e::/48	13164	0.25%	38266 -- VIL-AS-AP Vodafone Idea Ltd, IN
17	2001:67c:20fc::/48	12815	0.24%	210564 -- SWANTZTER-AS, SE
18	2a02:b48:83f1::/48	12792	0.24%	39572 -- ADVANCEDHOSTERS-AS, NL
19	2610:a1:1028::/48	12552	0.24%	19905 -- SECURITYSERVICES, US
20	2a14:3f87:9800::/38	10764	0.20%	64289 -- MACARNE, US
21	2a0c:b641:302::/47	10589	0.20%	204210 -- ZEUSPACKAGINGLTD, IE
22	2a07:54c1:2202::/48	10319	0.19%	216056 -- XAVEN-NETWORK, CN
23	2a02:e982:15::/48	9960	0.19%	19551 -- INCAPSULA, US
24	2804:9524::/32	9640	0.18%	61625 --
25	2406:840:e620::/48	9511	0.18%	138535 -- FURDEVS-AS-AP Wu Qi, CN
26	2c0f:e8a8::/32	9436	0.18%	328631 -- BallitoISP, ZA
27	2803:5d10::/32	9329	0.18%	272053 -- ANTUNES FLORES SERGIO OMAR NUEVA NET, AR
28	2602:fc09:aa::/48	9163	0.17%	13780 -- MILEHIGHWALRUS-NETWORK, US
29	2602:fc09:cc::/48	9029	0.17%	13780 -- MILEHIGHWALRUS-NETWORK, US
30	2602:fc09:bb::/48	9014	0.17%	13780 -- MILEHIGHWALRUS-NETWORK, US
31	2a03:90c0:7a0::/44	8885	0.17%	59437 -- NORTHERNDATA, DE
32	2602:fc09:dd::/48	8841	0.17%	13780 -- MILEHIGHWALRUS-NETWORK, US
33	2a07:db01:40::/42	8664	0.16%	204527 -- BJNIP, DE
34	2a14:7581:b20::/46	8097	0.15%	214575 -- CUTECH Curious Universe Technology, CN
35	2a0a:5480:1ac::/48	7782	0.15%	211894 -- UNGLEICH-PLACE18, CH
36	2a0a:5480:1::/48	7781	0.15%	211894 -- UNGLEICH-PLACE18, CH
37	2a0a:5480:4::/48	7781	0.15%	211894 -- UNGLEICH-PLACE18, CH
38	2a0a:5480::/48	7780	0.15%	211894 -- UNGLEICH-PLACE18, CH
39	2a0a:5480:2::/48	7777	0.15%	211894 -- UNGLEICH-PLACE18, CH
40	2400:58a0:1003::/48	7715	0.14%	149500 -- SR-AS-AP Shane Renshaw, HK
41	2a0a:e5c0:45::/48	7543	0.14%	199553 -- UNGLEICH-PLACE5, CH
42	2a0a:e5c0:16::/48	7541	0.14%	199553 -- UNGLEICH-PLACE5, CH
43	2a0a:e5c1:517::/48	7539	0.14%	199553 -- UNGLEICH-PLACE5, CH
44	2804:7704::/33	6820	0.13%	271149 -- K. R. VIOTO, BR
45	2600:6c7f:9370::/44	6708	0.13%	19115 -- CHARTER-19115-DC, US
46	2804:1a34:8000::/33	6680	0.13%	61845 -- GRD TELECOMUNICACOES LTDA, BR
47	2602:f506::/40	6658	0.13%	11761 -- KKCLOUD, US
48	2804:7704:8000::/33	6525	0.12%	271149 -- K. R. VIOTO, BR
49	2001:fb0:1002::/48	6339	0.12%	9287 -- TIDCC-AS-AP True Internet Data Center Company Limited, TH
50	2001:fb0:1001::/48	6278	0.12%	9287 -- TIDCC-AS-AP True Internet Data Center Company Limited, TH
Total		1717990	32.30%

14 Day BGP Update Statistics Profile: 28-October-2025 00:00 - 11-November-2025 23:59 (UTC+1000)

Number of BGP Update Messages:	26357631
Number of Prefix Changes:	30815185
Number of Prefix Updates:	26357631
Number of Prefix Withdrawals:	4457554
Average Prefixes per BGP Update:	1.17
Average BGP Update Messages per second:	21.79
Average Prefix Updates per second:	25.48
Peak BGP Update Message Rate per second:	59302	(02:25:46 Tue, 4-Nov-2025)
Peak Prefix Update Rate per second:	59302	(02:25:46 Tue, 4-Nov-2025)
Peak Prefix Withdraw Rate per second:	1022	(08:11:27 Tue, 11-Nov-2025, )
Number of RIB Prefix Updates:	5057694	(0.19 of recv'd updates)
Number of RIB Prefix Withdrawals:	265157	(0.06 of recv'd withdrawals)
Peak RIB Update Rate per second:	34938	(02:25:46 Tue, 4-Nov-2025)
Peak RIB Withdrawal Rate per second:	687	(02:24:24 Tue, 4-Nov-2025)
Seen Prefix Count:	249676
Updated Prefix Count:	249674
Stable Prefix Count:	2
Seen Origin AS Count:	35817
Updated Origin AS Count:	34767
Stable Origin AS Count:	1050
Seen Unique Path Count:	184589
Updated Path Count:	159286
Stable Path Count:	25303

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