The BGP IPv6 Instability Report

This report is updated daily. The current report
was generated on 4 April 2026 01:20 (UTC+1000)

50 Most active ASes for the past 14 days

RANK	ASN	UPDs	%	Prefixes	UPDs/Prefix	AS NAME
1	18403	3129970	47.45%	3573	876.01	FPT-AS-AP FPT Telecom Company, VN
2	32098	147049	2.23%	1868	78.72	TRANSTELCO-INC - Transtelco Inc, US
3	16509	106146	1.61%	5578	19.03	AMAZON-02 - Amazon.com, Inc., US
4	9931	100698	1.53%	43	2341.81	NTPCL-AS-AP National Telecom Public Company Limited, TH
5	13999	99194	1.50%	418	237.31	Mega Cable, S.A. de C.V., MX
6	7552	94978	1.44%	4010	23.69	VIETEL-AS-AP Viettel Group, VN
7	199340	92346	1.40%	3900	23.68	HONG-GUANWAN, HK
8	40138	81087	1.23%	39	2079.15	MDNET - Mach Dilemma, LLC, US
9	24158	71122	1.08%	504	141.12	TAIWANMOBILE-AS Taiwan Mobile Co., Ltd., TW
10	202256	65053	0.99%	324	200.78	LAWLIETNET, CN
11	270746	56225	0.85%	3	18741.67	HBC TELECOM MULTIMIDIA LTDA, BR
12	211894	53162	0.81%	8	6645.25	UNGLEICH-PLACE18, CH
13	28548	48651	0.74%	208	233.90	Cablevision, S.A. de C.V., MX
14	13335	43555	0.66%	2925	14.89	CLOUDFLARENET - Cloudflare, Inc., US
15	396509	38547	0.58%	17	2267.47	LETSCLOUD - LETSCLOUD, US
16	28669	33448	0.51%	4	8362.00	VERO S.A, BR
17	20473	32216	0.49%	2141	15.05	AS-VULTR - The Constant Company, LLC, US
18	137409	29791	0.45%	1127	26.43	GSLNETWORKS-AS-AP GSL Networks Pty LTD, AU
19	10103	29285	0.44%	12	2440.42	HKBN-AS-AP HK Broadband Network Ltd., HK
20	9829	24959	0.38%	1021	24.45	BSNL-NIB National Internet Backbone, IN
21	45609	24886	0.38%	3621	6.87	BHARTI-MOBILITY-AS-AP Bharti Airtel Ltd. AS for GPRS Service, IN
22	17072	24333	0.37%	1433	16.98	TOTAL PLAY TELECOMUNICACIONES SA DE CV, MX
23	64289	22794	0.35%	3	7598.00	MACARNE - Macarne.com, US
24	28598	21954	0.33%	15	1463.60	DB3 SERVICOS DE TELECOMUNICACOES S.A, BR
25	215527	21533	0.33%	10	2153.30	XERONET -_._-, GB
26	26930	20577	0.31%	2	10288.50	PARALLAX - PureVoltage Hosting Inc., US
27	204210	20038	0.30%	4	5009.50	ZEUSPACKAGINGLTD, IE
28	61609	19915	0.30%	2	9957.50	NextHop Solutions, BR
29	45271	19407	0.29%	1160	16.73	VIL-AS-AP Vodafone Idea Ltd, IN
30	139341	18268	0.28%	195	93.68	ACE-AS-AP ACE, SG
31	9335	17388	0.26%	8	2173.50	NTPCL-AS-AP National Telecom Public Company Limited, TH
32	39891	17154	0.26%	2030	8.45	ALJAWWALSTC-AS, SA
33	5416	15276	0.23%	1054	14.49	Internet Service Provider, BH
34	214450	15249	0.23%	2	7624.50	OGL-AS, DE
35	135566	14792	0.22%	6	2465.33	NTPCL-AS-AP National Telecom Public Company Limited, TH
36	8376	14438	0.22%	412	35.04
37	213092	14120	0.21%	13	1086.15	MARBLEIS, GB
38	21664	13781	0.21%	36	382.81	AMZN-BYOASN - Amazon.com, Inc., US
39	212691	13463	0.20%	2	6731.50	ARONSTRECKER-AS, DE
40	26879	13415	0.20%	1	13415.00	AURELIA-TELECOM-LLC - Aurelia Telecom Systems LLC, US
41	11172	13092	0.20%	2474	5.29	Alestra, S. de R.L. de C.V., MX
42	204464	12894	0.20%	21	614.00	NEXTHOST NextHost - Hosting Provider DE, DE
43	61573	12421	0.19%	13	955.46	IP TELECOM, BR
44	9808	11998	0.18%	6924	1.73	CHINAMOBILE-CN China Mobile Communications Group Co., Ltd., CN
45	28458	11783	0.18%	2	5891.50	IENTC S DE RL DE CV, MX
46	210312	11774	0.18%	2077	5.67	BGP-CLOCK BGP Clock, GR
47	151650	11633	0.18%	1	11633.00	SWITCHFIBER-AS-AP Switch Fiber, PH
48	272053	11618	0.18%	5	2323.60	ANTUNES FLORES SERGIO OMAR NUEVA NET, AR
49	138535	11436	0.17%	3	3812.00	FURDEVS-AS-AP Wu Qi, CN
50	31898	11221	0.17%	848	13.23	ORACLE-BMC-31898 - Oracle Corporation, US
Total		4860133	73.68%

50 Most active ASes for the past 14 days

RANK	ASN	UPDs/Prefix	%	Prefixes	UPDs	AS NAME
1	270746	18741.7	0.85%	3	56225	HBC TELECOM MULTIMIDIA LTDA, BR
2	26879	13415.0	0.20%	1	13415	AURELIA-TELECOM-LLC - Aurelia Telecom Systems LLC, US
3	151650	11633.0	0.18%	1	11633	SWITCHFIBER-AS-AP Switch Fiber, PH
4	26930	10288.5	0.31%	2	20577	PARALLAX - PureVoltage Hosting Inc., US
5	61609	9957.5	0.30%	2	19915	NextHop Solutions, BR
6	28669	8362.0	0.51%	4	33448	VERO S.A, BR
7	214450	7624.5	0.23%	2	15249	OGL-AS, DE
8	64289	7598.0	0.35%	3	22794	MACARNE - Macarne.com, US
9	269453	7310.0	0.11%	1	7310	LUCIANO YAMASHIRO PINTO, BR
10	141145	6830.0	0.10%	1	6830	GIGANET-AS-ID PT Giga Digital Nusantara, ID
11	212691	6731.5	0.20%	2	13463	ARONSTRECKER-AS, DE
12	211894	6645.2	0.81%	8	53162	UNGLEICH-PLACE18, CH
13	199678	5932.0	0.09%	1	5932	AS-6RW-, RU
14	28458	5891.5	0.18%	2	11783	IENTC S DE RL DE CV, MX
15	204210	5009.5	0.30%	4	20038	ZEUSPACKAGINGLTD, IE
16	211645	4764.0	0.07%	1	4764	SPG, DE
17	210564	4712.0	0.07%	1	4712	SWANTZTER-AS, SE
18	141898	4261.0	0.13%	2	8522	MILENETWORK-AS-ID PT Milenial Inti Telekomunikasi, ID
19	274348	4074.0	0.12%	2	8148	DATASEC PROJETOS E SERVICOS DE TECNOLOGIA E SEGUR, BR
20	209565	4036.0	0.06%	1	4036	JIANYUELAB-STAFF, GB
21	140004	3994.0	0.06%	1	3994	IDNIC-DISKOMINFOTIKKOTABLITAR-AS-ID DINAS KOMUNIKASI INFORMATIKA DAN STATISTIK KOTA BLITAR, ID
22	202181	3918.0	0.06%	1	3918	TAMCOM-AS, RU
23	198090	3853.0	0.06%	1	3853	ASLIBRA, IT
24	138535	3812.0	0.17%	3	11436	FURDEVS-AS-AP Wu Qi, CN
25	205514	3778.0	0.06%	1	3778	REICHER-NET, HU
26	141621	3731.0	0.06%	1	3731	GMS-AS-ID PT Galuh Multidata Solution, ID
27	137546	3311.0	0.05%	1	3311	RMUTT-EN-AS-AP Faculty of EngineeringRajamangala University of, TH
28	3839	3302.0	0.05%	1	3302	ERX-CHULANET Chulalongkorn University, TH
29	55545	3302.0	0.05%	1	3302	SUT-AS-AP Suranaree University of Technology, TH
30	137261	3277.0	0.05%	1	3277	SWU-AS-UNINET Education Network, TH
31	132482	3274.0	0.05%	1	3274	RMUTR-AS-AP Rajamangala University of Technology Rattanakosin, TH
32	137850	3267.0	0.05%	1	3267	UNINET-AS-MFU Mae Fah Luang University, TH
33	152499	3211.0	0.05%	1	3211	SUNILBB-AS-IN INFINITYLINK COMMUNICATIONS PRIVATE LIMITED, IN
34	206497	2852.0	0.04%	1	2852	SYSCON, DE
35	9562	2636.0	0.04%	1	2636	MSU-TH-AP Mahasarakham University, TH
36	396509	2569.8	0.58%	17	38547	LETSCLOUD - LETSCLOUD, US
37	212259	2531.0	0.04%	1	2531	ASTRIX-EU, JP
38	131090	2527.0	0.04%	1	2527	NTPCL-AS-AP National Telecom Public Company Limited, TH
39	134565	2514.0	0.04%	1	2514	NTPCL-AS-AP National Telecom Public Company Limited, TH
40	268487	2466.0	0.04%	5	2466	PRISMA TELECOMUNICACOES LTDA. EPP, BR
41	135566	2465.3	0.22%	6	14792	NTPCL-AS-AP National Telecom Public Company Limited, TH
42	138906	2460.0	0.04%	1	2460	MINISTRYOFCULTURE-AS-AP Ministry of Culture, TH
43	10103	2440.4	0.44%	12	29285	HKBN-AS-AP HK Broadband Network Ltd., HK
44	137058	2406.0	0.04%	1	2406	AEROTHAI-AS-AP Aeronautical Radio of Thailand Ltd., TH
45	4621	2395.0	0.07%	2	4790	UNINET-AS-AP UNINET-, TH
46	139892	2394.0	0.04%	1	2394	MWA-AS-AP Metropolitan Waterworks Authority, TH
47	139889	2385.0	0.04%	1	2385	FISHERIES-AS-AP Department of Fisheries, TH
48	63972	2365.0	0.07%	2	4730	SOCIAL-TH 8828 Moo 4 Tiwanont Road Nonta-Buri Province 11000, TH
49	24060	2363.0	0.04%	1	2363	KTB-KTBCS-TH KTB COMPUTER SERVICES COMPANY LIMITED, TH
50	140699	2345.5	0.07%
Total		241961.9	7.88%

50 Most active Prefixes for the past 14 days

RANK	PREFIX	UPDs	%	Origin AS -- AS NAME
1	2804:4bec::/32	33431	0.49%	28669 -- VERO S.A, BR
2	2804:70c0::/32	26832	0.40%	270746 -- HBC TELECOM MULTIMIDIA LTDA, BR
3	2a14:3f87:9800::/38	22793	0.34%	64289 -- MACARNE - Macarne.com, US
4	2804:248:100::/40	21905	0.32%	28598 -- DB3 SERVICOS DE TELECOMUNICACOES S.A, BR
5	2602:fa7c:100::/40	20576	0.30%	26930 -- PARALLAX - PureVoltage Hosting Inc., US
6	2a0c:b641:302::/47	20030	0.30%	204210 -- ZEUSPACKAGINGLTD, IE
7	2804:87bc:dc04::/48	19901	0.29%	61609 -- NextHop Solutions, BR
8	2804:70c0:32::/48	19799	0.29%	270746 -- HBC TELECOM MULTIMIDIA LTDA, BR
9	240d:c010:165::/48	15057	0.22%	139341 -- ACE-AS-AP ACE, SG
10	2602:f634:20::/44	13415	0.20%	26879 -- AURELIA-TELECOM-LLC - Aurelia Telecom Systems LLC, US
11	2001:678:114::/48	13354	0.20%	212691 -- ARONSTRECKER-AS, DE
12	2607:74c0:120::/44	13125	0.19%	10103 -- HKBN-AS-AP HK Broadband Network Ltd., HK
13	2806:202::/32	11774	0.17%	28458 -- IENTC S DE RL DE CV, MX
14	2401:2260::/32	11633	0.17%	151650 -- SWITCHFIBER-AS-AP Switch Fiber, PH
15	2406:840:e620::/48	11298	0.17%	138535 -- FURDEVS-AS-AP Wu Qi, CN
16	2804:70c0::/48	9594	0.14%	270746 -- HBC TELECOM MULTIMIDIA LTDA, BR
17	2a0a:5480:5::/48	8906	0.13%	211894 -- UNGLEICH-PLACE18, CH
18	2a0a:5480:2::/48	8863	0.13%	211894 -- UNGLEICH-PLACE18, CH
19	2a0a:5480::/48	8845	0.13%	211894 -- UNGLEICH-PLACE18, CH
20	2a0a:5480:3::/48	8844	0.13%	211894 -- UNGLEICH-PLACE18, CH
21	2a0a:5480:1::/48	8836	0.13%	211894 -- UNGLEICH-PLACE18, CH
22	2a0a:5480:4::/48	8835	0.13%	211894 -- UNGLEICH-PLACE18, CH
23	2804:984c::/32	8143	0.12%	274348 -- DATASEC PROJETOS E SERVICOS DE TECNOLOGIA E SEGUR, BR
24	2001:678:658::/48	7663	0.11%	214450 -- OGL-AS, DE
25	2a0e:b107:19cb::/48	7588	0.11%	214450 -- OGL-AS, DE
26	2402:e580:73f3::/48	7480	0.11%	40138 -- MDNET - Mach Dilemma, LLC, US
27	2602:fe19::/48	7467	0.11%	26073 -- COFRACTAL-001 - Cofractal, Inc., US
28	2001:1260:103::/48	7463	0.11%	13591 -- Mexico Red de Telecomunicaciones, S. de R.L. de C.V., MX
29	2804:64d8::/32	7310	0.11%	269453 -- LUCIANO YAMASHIRO PINTO, BR
30	2a10:9902:732::/48	7096	0.11%	211972 -- MSN-NET, DE
31	2407:5440::/48	6830	0.10%	141145 -- GIGANET-AS-ID PT Giga Digital Nusantara, ID
32	2605:9cc0:c06::/48	6699	0.10%	16509 -- AMAZON-02 - Amazon.com, Inc., US 21664 -- AMZN-BYOASN - Amazon.com, Inc., US
33	2a0c:b641:bd0::/48	6580	0.10%	215527 -- XERONET -_._-, GB
34	2a0c:b641:bd9::/48	6549	0.10%	215527 -- XERONET -_._-, GB
35	2605:9cc0:c0e::/48	6330	0.09%	21664 -- AMZN-BYOASN - Amazon.com, Inc., US 8987 -- AWS-GOVCLOUD AWS-GOVCLOUD, IE
36	2a0c:b641:bd2::/48	6132	0.09%	215527 -- XERONET -_._-, GB
37	2001:67c:12d4::/48	5932	0.09%	199678 -- AS-6RW-, RU
38	2605:9cc0:c03::/48	5387	0.08%	14618 -- AMAZON-AES - Amazon.com, Inc., US 21664 -- AMZN-BYOASN - Amazon.com, Inc., US
39	2605:9cc0:c1a::/48	5329	0.08%	16509 -- AMAZON-02 - Amazon.com, Inc., US 21664 -- AMZN-BYOASN - Amazon.com, Inc., US
40	2605:9cc0:c09::/48	5203	0.08%	16509 -- AMAZON-02 - Amazon.com, Inc., US 21664 -- AMZN-BYOASN - Amazon.com, Inc., US
41	2600:6c7f:9370::/44	5035	0.07%	19115 -- CHARTER-19115-DC - Charter Communications LLC, US
42	2605:9cc0:c0b::/48	4980	0.07%	16509 -- AMAZON-02 - Amazon.com, Inc., US 21664 -- AMZN-BYOASN - Amazon.com, Inc., US
43	2a14:7dc0:511::/48	4877	0.07%	201705 -- XLI-NET, CN
44	2a0f:9400:737d::/48	4853	0.07%	213092 -- MARBLEIS, GB
45	2605:9cc0:c00::/48	4817	0.07%	16509 -- AMAZON-02 - Amazon.com, Inc., US 21664 -- AMZN-BYOASN - Amazon.com, Inc., US
46	2402:e580:74b6::/48	4777	0.07%	40138 -- MDNET - Mach Dilemma, LLC, US
47	2a10:41c0::/29	4764	0.07%	211645 -- SPG, DE
48	2001:67c:20fc::/48	4712	0.07%	210564 -- SWANTZTER-AS, SE
49	2602:f92a:e30::/47	4692	0.07%	40929 -- MOEDOVE-BN - MoeDove, US
50	2a0f:9400:7370::/48	4681	0.07%	213092 -- MARBLEIS, GB
Total		507015	7.47%

14 Day BGP Update Statistics Profile: 20-March-2026 00:00 - 3-April-2026 23:59 (UTC+1000)

Number of BGP Update Messages:	30391382
Number of Prefix Changes:	33047441
Number of Prefix Updates:	30391382
Number of Prefix Withdrawals:	2656059
Average Prefixes per BGP Update:	1.09
Average BGP Update Messages per second:	25.13
Average Prefix Updates per second:	27.32
Peak BGP Update Message Rate per second:	93187	(03:33:00 Wed, 25-Mar-2026)
Peak Prefix Update Rate per second:	93187	(03:33:00 Wed, 25-Mar-2026)
Peak Prefix Withdraw Rate per second:	24124	(03:52:24 Wed, 25-Mar-2026, )
Number of RIB Prefix Updates:	6596731	(0.22 of recv'd updates)
Number of RIB Prefix Withdrawals:	160961	(0.06 of recv'd withdrawals)
Peak RIB Update Rate per second:	32324	(22:05:20 Tue, 24-Mar-2026)
Peak RIB Withdrawal Rate per second:	2605	(21:03:21 Tue, 24-Mar-2026)
Seen Prefix Count:	257784
Updated Prefix Count:	254384
Stable Prefix Count:	3400
Seen Origin AS Count:	36458
Updated Origin AS Count:	36259
Stable Origin AS Count:	199
Seen Unique Path Count:	181486
Updated Path Count:	140731
Stable Path Count:	40755

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