The BGP IPv6 Instability Report

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

50 Most active ASes for the past 14 days

RANK	ASN	UPDs	%	Prefixes	UPDs/Prefix	AS NAME
1	214028	738512	12.94%	1	738512.00	MAHDI-UMRAN, ID
2	202256	459109	8.04%	1176	390.40	LAWLIETNET, CN
3	7552	365354	6.40%	3958	92.31	VIETEL-AS-AP Viettel Group, VN
4	39891	223953	3.92%	2058	108.82	ALJAWWALSTC-AS, SA
5	199340	139493	2.44%	4206	33.17	HONG-GUANWAN, HK
6	22616	128360	2.25%	37	3469.19	ZSCALER-SJC1, US
7	42375	122141	2.14%	260	469.77	INET-AS, SC
8	16509	109527	1.92%	5507	19.89	AMAZON-02, US
9	48456	85144	1.49%	180	473.02	IPX-AS, AE
10	40138	78197	1.37%	41	1907.24	MDNET, US
11	211894	67577	1.18%	8	8447.12	UNGLEICH-PLACE18, CH
12	38266	66097	1.16%	1391	47.52	VIL-AS-AP Vodafone Idea Ltd, IN
13	50529	59597	1.04%	126	472.99	FN-AS, AE
14	34567	53907	0.94%	114	472.87	NEXT-AS, HK
15	36351	52601	0.92%	71	740.86	SOFTLAYER, US
16	204508	50213	0.88%	18	2789.61	MLGT, IT
17	23736	47506	0.83%	46	1032.74	TTSSB-MY TM TECHNOLOGY SERVICES SDN. BHD., MY
18	12041	41471	0.73%	228	181.89	AS-AFILIAS1, US
19	28598	31995	0.56%	14	2285.36	DB3 SERVICOS DE TELECOMUNICACOES S.A, BR
20	21351	31106	0.54%	17	1829.76	CANALPLUSTELECOM, GP
21	216056	30878	0.54%	15	2058.53	XAVEN-NETWORK, CN
22	267943	30236	0.53%	16	1889.75	SOL PROVEDOR DE INTERNETE LTDA - ME, BR
23	199553	28467	0.50%	6	4744.50	UNGLEICH-PLACE5, CH
24	61164	26831	0.47%	57	470.72	LIR-AS, AE
25	28573	26612	0.47%	1620	16.43	Claro NXT Telecomunicacoes Ltda, BR
26	13780	26582	0.47%	10	2658.20	MILEHIGHWALRUS-NETWORK, US
27	30083	26462	0.46%	3	8820.67	AS-30083-US-VELIA-NET, DE
28	213092	25645	0.45%	12	2137.08	MARBLEIS, GB
29	139341	23926	0.42%	171	139.92	ACE-AS-AP ACE, SG
30	39572	23834	0.42%	33	722.24	ADVANCEDHOSTERS-AS, NL
31	271149	23477	0.41%	3	7825.67	K. R. VIOTO, BR
32	265500	23418	0.41%	10	2341.80	ALMEIRIM TELECOM LTDA - ME, BR
33	17072	23246	0.41%	1405	16.55	TOTAL PLAY TELECOMUNICACIONES SA DE CV, MX
34	43350	23117	0.40%	24	963.21	NFORCE, NL
35	262448	22644	0.40%	20	1132.20	DIALHOST INTERNET EIRELI, BR
36	136873	21887	0.38%	8	2735.88	MEGADATA-AS-ID MEGADATA-ISP, ID
37	56167	20736	0.36%	648	32.00	PTML-PK Plot No 181-186 Street, PK
38	64289	20438	0.36%	12	1703.17	MACARNE, US
39	51559	20067	0.35%	98	204.77	NETINTERNET Netinternet Bilisim Teknolojileri AS, TR
40	13335	19876	0.35%	2957	6.72	CLOUDFLARENET, US
41	14593	19829	0.35%	714	27.77	SPACEX-STARLINK, US
42	10103	18491	0.32%	12	1540.92	HKBN-AS-AP HK Broadband Network Ltd., HK
43	55960	18464	0.32%	34	543.06	BJ-GUANGHUAN-AP Beijing Guanghuan Xinwang Digital, CN
44	28458	18283	0.32%	2	9141.50	IENTC S DE RL DE CV, MX
45	61845	17024	0.30%	3	5674.67	GRD TELECOMUNICACOES LTDA, BR
46	149500	16969	0.30%	4	4242.25	SR-AS-AP Shane Renshaw, HK
47	263262	16674	0.29%	21	794.00	MOV TELECOM LTDA, BR
48	48635	16284	0.29%	20	814.20	CLDIN-NL Your Hosting B.V. part of Your.Online, NL
49	5416	15926	0.28%	1042	15.28	Internet Service Provider, BH
50	28126	15624	0.27%	9	1736.00	BRISANET SERVICOS DE TELECOMUNICACOES S.A, BR
Total		3613807	63.29%

50 Most active ASes for the past 14 days

RANK	ASN	UPDs/Prefix	%	Prefixes	UPDs	AS NAME
1	214028	738512.0	12.94%	1	738512	MAHDI-UMRAN, ID
2	92	14859.0	0.26%	1	14859	CLARKSON-AS, US
3	272053	13766.0	0.24%	1	13766	ANTUNES FLORES SERGIO OMAR NUEVA NET, AR
4	210564	11519.0	0.20%	1	11519	SWANTZTER-AS, SE
5	11761	10792.0	0.19%	1	10792	KKCLOUD, US
6	28458	9141.5	0.32%	2	18283	IENTC S DE RL DE CV, MX
7	328631	9023.0	0.16%	1	9023	BallitoISP, ZA
8	61625	9017.0	0.16%	1	9017
9	30083	8820.7	0.46%	3	26462	AS-30083-US-VELIA-NET, DE
10	211894	8447.1	1.18%	8	67577	UNGLEICH-PLACE18, CH
11	271149	7825.7	0.41%	3	23477	K. R. VIOTO, BR
12	209898	7511.0	0.26%	2	15022	UNGLEICH-UNGLEICH-UPSTREAM, CH
13	264525	7487.0	0.26%	5	14974	Coelho Tecnologia, BR
14	203664	7475.0	0.13%	1	7475	LANXING-AS, CN
15	141145	6056.0	0.11%	1	6056	GIGANET-AS-ID PT Giga Digital Nusantara, ID
16	61845	5674.7	0.30%	3	17024	GRD TELECOMUNICACOES LTDA, BR
17	41701	5668.0	0.10%	1	5668	CAP-FIN-AS, FI
18	199553	4744.5	0.50%	6	28467	UNGLEICH-PLACE5, CH
19	271944	4648.0	0.08%	1	4648	AUDIBEL TELECOMUNICACIONES S.A., AR
20	30362	4583.0	0.08%	1	4583	HPT-ASN, US
21	266919	4375.0	0.08%	1	4375	MDS INTERNET E SERVICO DE INFORMATICA LTDA. ME, BR
22	20915	4263.0	0.07%	1	4263	HUNDRED-PERCENT-IT, GB
23	149500	4242.2	0.30%	4	16969	SR-AS-AP Shane Renshaw, HK
24	265314	4216.0	0.07%	1	4216	Toolsoft Tecnologia Ltda, BR
25	211645	4170.0	0.07%	1	4170	SPG, DE
26	198090	3776.0	0.07%	1	3776	ASLIBRA, IT
27	24474	3617.5	0.13%	2	7235	ASNPANYCAST Nepal Internet Exchange NP Anycast, NP
28	22616	3469.2	2.25%	37	128360	ZSCALER-SJC1, US
29	138535	2902.3	0.15%	3	8707	FURDEVS-AS-AP Wu Qi, CN
30	204508	2789.6	0.88%	18	50213	MLGT, IT
31	136873	2735.9	0.38%	8	21887	MEGADATA-AS-ID MEGADATA-ISP, ID
32	214498	2714.0	0.05%	1	2714	MCLARENAPPLIED, GB
33	199235	2680.0	0.05%	1	2680	MIKROHALO-HU-AS, HU
34	13780	2658.2	0.47%	10	26582	MILEHIGHWALRUS-NETWORK, US
35	262901	2562.0	0.09%	2	5124	Vcnet Provedora de Internet Ltda., BR
36	199689	2537.0	0.04%	1	2537	JOSHA-PRIOR Netralex BYOIP, NL
37	268064	2411.0	0.04%	1	2411	Net 1000 Telecom Ltda, BR
38	265500	2341.8	0.41%	10	23418	ALMEIRIM TELECOM LTDA - ME, BR
39	28598	2285.4	0.56%	14	31995	DB3 SERVICOS DE TELECOMUNICACOES S.A, BR
40	200915	2261.3	0.12%	3	6784	MRFK, NO
41	213092	2137.1	0.45%	12	25645	MARBLEIS, GB
42	6871	2121.3	0.11%	3	6364	PLUSNET UK Internet Service Provider, GB
43	216056	2058.5	0.54%	15	30878	XAVEN-NETWORK, CN
44	40138	1907.2	1.37%	41	78197	MDNET, US
45	271457	1902.5	0.07%	2	3805	VOLTSNET PROVEDOR COMERCIO E SERVICO LTDA ME ME, BR
46	267943	1889.8	0.53%	16	30236	SOL PROVEDOR DE INTERNETE LTDA - ME, BR
47	266136	1886.0	0.10%	3	5658	R.A INTERNET, BR
48	214909	1886.0	0.17%	5	9430	SVERRES-AS, NO
49	265966	1875.2	0.26%	8	15002	J M P M ALENCAR & A G F ALENCAR LTDA - ME, BR
50	270786	1863.0	0.03%
Total		978104.2	28.25%

50 Most active Prefixes for the past 14 days

RANK	PREFIX	UPDs	%	Origin AS -- AS NAME
1	2a0f:85c1:8b9::/48	738512	12.32%	214028 -- MAHDI-UMRAN, ID
2	2a03:eec0:3212::/48	128222	2.14%	22616 -- ZSCALER-SJC1, US
3	2804:248:100::/40	31896	0.53%	28598 -- DB3 SERVICOS DE TELECOMUNICACOES S.A, BR
4	2a02:1391:5100::/40	31082	0.52%	21351 -- CANALPLUSTELECOM, GP
5	2605:de00:bb::/48	26460	0.44%	30083 -- AS-30083-US-VELIA-NET, DE
6	240d:c010:165::/48	21440	0.36%	139341 -- ACE-AS-AP ACE, SG
7	2a07:54c1:2205::/48	20466	0.34%	216056 -- XAVEN-NETWORK, CN
8	2806:202::/32	18282	0.30%	28458 -- IENTC S DE RL DE CV, MX
9	2a14:3f87:9800::/38	17542	0.29%	64289 -- MACARNE, US
10	2a0a:e5c0:76::/48	15021	0.25%	209898 -- UNGLEICH-UNGLEICH-UPSTREAM, CH
11	2804:20fc:2000::/36	14969	0.25%	264525 -- Coelho Tecnologia, BR
12	2605:6480::/32	14859	0.25%	92 -- CLARKSON-AS, US
13	2803:5d10::/32	13767	0.23%	272053 -- ANTUNES FLORES SERGIO OMAR NUEVA NET, AR
14	2a02:b48:83f1::/48	13337	0.22%	39572 -- ADVANCEDHOSTERS-AS, NL
15	2804:7704:8000::/33	12795	0.21%	271149 -- K. R. VIOTO, BR
16	2001:67c:20fc::/48	11519	0.19%	210564 -- SWANTZTER-AS, SE
17	2602:f506::/40	10792	0.18%	11761 -- KKCLOUD, US
18	2a05:4140:316::/48	10704	0.18%	204508 -- MLGT, IT
19	2a05:4140:304::/48	10702	0.18%	204508 -- MLGT, IT
20	2a05:4140:333::/48	10683	0.18%	204508 -- MLGT, IT
21	2a05:4140:380::/42	10656	0.18%	204508 -- MLGT, IT
22	2804:7704::/33	10614	0.18%	271149 -- K. R. VIOTO, BR
23	2a07:54c1:2202::/48	10319	0.17%	216056 -- XAVEN-NETWORK, CN
24	2a02:b48:83f3::/48	10237	0.17%	39572 -- ADVANCEDHOSTERS-AS, NL
25	2610:a1:1028::/48	9982	0.17%	19905 -- SECURITYSERVICES, US
26	2a0a:e5c1:517::/48	9257	0.15%	199553 -- UNGLEICH-PLACE5, CH
27	2a0a:e5c0:16::/48	9244	0.15%	199553 -- UNGLEICH-PLACE5, CH
28	2a0a:e5c0:45::/48	9244	0.15%	199553 -- UNGLEICH-PLACE5, CH
29	2a0a:5480:4::/48	9198	0.15%	211894 -- UNGLEICH-PLACE18, CH
30	2a0a:5480:1::/48	9198	0.15%	211894 -- UNGLEICH-PLACE18, CH
31	2a0a:5480::/48	9197	0.15%	211894 -- UNGLEICH-PLACE18, CH
32	2a0a:5480:3::/48	9196	0.15%	211894 -- UNGLEICH-PLACE18, CH
33	2a0a:5480:1ac::/48	9193	0.15%	211894 -- UNGLEICH-PLACE18, CH
34	2a0a:5480:5::/48	9190	0.15%	211894 -- UNGLEICH-PLACE18, CH
35	2a0a:5480:2::/48	9188	0.15%	211894 -- UNGLEICH-PLACE18, CH
36	2804:1a34:8000::/33	9135	0.15%	61845 -- GRD TELECOMUNICACOES LTDA, BR
37	2c0f:e8a8::/32	9023	0.15%	328631 -- BallitoISP, ZA
38	2804:9524::/32	9018	0.15%	61625 --
39	2406:840:e620::/48	8704	0.15%	138535 -- FURDEVS-AS-AP Wu Qi, CN
40	2a03:90c0:7a0::/44	8560	0.14%	59437 -- NORTHERNDATA, DE
41	2a01:fb05:4000::/36	8070	0.13%	216096 -- SECUREPEAK, AD
42	2804:1a34::/33	7825	0.13%	61845 -- GRD TELECOMUNICACOES LTDA, BR
43	2402:3a80:c00e::/48	7597	0.13%	38266 -- VIL-AS-AP Vodafone Idea Ltd, IN
44	2a0e:aa07:e044::/48	7475	0.12%	203664 -- LANXING-AS, CN
45	2a13:aac4:1000::/36	7452	0.12%	204508 -- MLGT, IT
46	2400:58a0:1003::/48	6946	0.12%	149500 -- SR-AS-AP Shane Renshaw, HK
47	2602:fc09:cc::/48	6904	0.12%	13780 -- MILEHIGHWALRUS-NETWORK, US
48	2602:fc09:bb::/48	6677	0.11%	13780 -- MILEHIGHWALRUS-NETWORK, US
49	2602:fc09:aa::/48	6496	0.11%	13780 -- MILEHIGHWALRUS-NETWORK, US
50	2602:fc09:dd::/48	6487	0.11%	13780 -- MILEHIGHWALRUS-NETWORK, US
Total		1433332	23.87%

14 Day BGP Update Statistics Profile: 4-November-2025 00:00 - 18-November-2025 23:59 (UTC+1000)

Number of BGP Update Messages:	26730236
Number of Prefix Changes:	31220691
Number of Prefix Updates:	26730236
Number of Prefix Withdrawals:	4490455
Average Prefixes per BGP Update:	1.17
Average BGP Update Messages per second:	22.10
Average Prefix Updates per second:	25.81
Peak BGP Update Message Rate per second:	58536	(23:03:53 Mon, 17-Nov-2025)
Peak Prefix Update Rate per second:	58536	(23:03:53 Mon, 17-Nov-2025)
Peak Prefix Withdraw Rate per second:	2051	(13:50:23 Wed, 12-Nov-2025, )
Number of RIB Prefix Updates:	5708947	(0.21 of recv'd updates)
Number of RIB Prefix Withdrawals:	287495	(0.06 of recv'd withdrawals)
Peak RIB Update Rate per second:	32010	(23:03:53 Mon, 17-Nov-2025)
Peak RIB Withdrawal Rate per second:	797	(13:49:29 Wed, 12-Nov-2025)
Seen Prefix Count:	249395
Updated Prefix Count:	241414
Stable Prefix Count:	7981
Seen Origin AS Count:	35907
Updated Origin AS Count:	35711
Stable Origin AS Count:	196
Seen Unique Path Count:	180862
Updated Path Count:	151762
Stable Path Count:	29100

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