The BGP IPv6 Instability Report

This report is updated daily. The current report
was generated on 6 April 2026 01:21 (UTC+1000)

50 Most active ASes for the past 14 days

RANK	ASN	UPDs	%	Prefixes	UPDs/Prefix	AS NAME
1	18403	3130156	48.54%	3573	876.06	FPT-AS-AP FPT Telecom Company, VN
2	32098	148644	2.31%	1868	79.57	TRANSTELCO-INC - Transtelco Inc, US
3	16509	105113	1.63%	5579	18.84	AMAZON-02 - Amazon.com, Inc., US
4	13999	101015	1.57%	418	241.66	Mega Cable, S.A. de C.V., MX
5	9931	100698	1.56%	43	2341.81	NTPCL-AS-AP National Telecom Public Company Limited, TH
6	7552	99950	1.55%	4010	24.93	VIETEL-AS-AP Viettel Group, VN
7	199340	89435	1.39%	2944	30.38	HONG-GUANWAN, HK
8	40138	79053	1.23%	39	2027.00	MDNET - Mach Dilemma, LLC, US
9	24158	71122	1.10%	504	141.12	TAIWANMOBILE-AS Taiwan Mobile Co., Ltd., TW
10	202256	64517	1.00%	324	199.13	LAWLIETNET, CN
11	211894	53343	0.83%	8	6667.88	UNGLEICH-PLACE18, CH
12	270746	51194	0.79%	3	17064.67	HBC TELECOM MULTIMIDIA LTDA, BR
13	28548	48926	0.76%	208	235.22	Cablevision, S.A. de C.V., MX
14	20473	48202	0.75%	3630	13.28	AS-VULTR - The Constant Company, LLC, US
15	396509	45795	0.71%	17	2693.82	LETSCLOUD - LETSCLOUD, US
16	13335	43818	0.68%	2924	14.99	CLOUDFLARENET - Cloudflare, Inc., US
17	28669	34830	0.54%	4	8707.50	VERO S.A, BR
18	137409	26971	0.42%	1127	23.93	GSLNETWORKS-AS-AP GSL Networks Pty LTD, AU
19	45609	24885	0.39%	3621	6.87	BHARTI-MOBILITY-AS-AP Bharti Airtel Ltd. AS for GPRS Service, IN
20	9829	24122	0.37%	1021	23.63	BSNL-NIB National Internet Backbone, IN
21	17072	23039	0.36%	1430	16.11	TOTAL PLAY TELECOMUNICACIONES SA DE CV, MX
22	64289	22624	0.35%	3	7541.33	MACARNE - Macarne.com, US
23	28598	22000	0.34%	15	1466.67	DB3 SERVICOS DE TELECOMUNICACOES S.A, BR
24	45271	20956	0.32%	1160	18.07	VIL-AS-AP Vodafone Idea Ltd, IN
25	10103	20412	0.32%	12	1701.00	HKBN-AS-AP HK Broadband Network Ltd., HK
26	26930	19923	0.31%	2	9961.50	PARALLAX - PureVoltage Hosting Inc., US
27	204210	19477	0.30%	4	4869.25	ZEUSPACKAGINGLTD, IE
28	61609	19226	0.30%	2	9613.00	NextHop Solutions, BR
29	139341	17956	0.28%	196	91.61	ACE-AS-AP ACE, SG
30	39891	17511	0.27%	2030	8.63	ALJAWWALSTC-AS, SA
31	9335	17388	0.27%	8	2173.50	NTPCL-AS-AP National Telecom Public Company Limited, TH
32	8376	15251	0.24%	407	37.47
33	135566	14792	0.23%	6	2465.33	NTPCL-AS-AP National Telecom Public Company Limited, TH
34	214450	14269	0.22%	2	7134.50	OGL-AS, DE
35	11172	14084	0.22%	2474	5.69	Alestra, S. de R.L. de C.V., MX
36	21664	13676	0.21%	36	379.89	AMZN-BYOASN - Amazon.com, Inc., US
37	213092	13560	0.21%	13	1043.08	MARBLEIS, GB
38	215527	13509	0.21%	10	1350.90	XERONET -_._-, GB
39	28573	13272	0.21%	1729	7.68	Claro NXT Telecomunicacoes Ltda, BR
40	202181	13113	0.20%	1	13113.00	TAMCOM-AS, RU
41	5416	12590	0.20%	1054	11.94	Internet Service Provider, BH
42	61573	12141	0.19%	13	933.92	IP TELECOM, BR
43	9808	12021	0.19%	6924	1.74	CHINAMOBILE-CN China Mobile Communications Group Co., Ltd., CN
44	151650	12021	0.19%	1	12021.00	SWITCHFIBER-AS-AP Switch Fiber, PH
45	28458	11914	0.18%	2	5957.00	IENTC S DE RL DE CV, MX
46	210312	11783	0.18%	2080	5.66	BGP-CLOCK BGP Clock, GR
47	138535	11233	0.17%	3	3744.33	FURDEVS-AS-AP Wu Qi, CN
48	23679	10852	0.17%	26	417.38	NUSANET-AS-ID PT. Media Antar Nusa, ID
49	12654	10555	0.16%	59	178.90	RIPE-NCC-RIS-AS Reseaux IP Europeens Network Coordination Centre RIPE NCC, NL
50	31898	10300	0.16%	848	12.15	ORACLE-BMC-31898 - Oracle Corporation, US
Total		4853237	75.28%

50 Most active ASes for the past 14 days

RANK	ASN	UPDs/Prefix	%	Prefixes	UPDs	AS NAME
1	270746	17064.7	0.79%	3	51194	HBC TELECOM MULTIMIDIA LTDA, BR
2	202181	13113.0	0.20%	1	13113	TAMCOM-AS, RU
3	151650	12021.0	0.19%	1	12021	SWITCHFIBER-AS-AP Switch Fiber, PH
4	26930	9961.5	0.31%	2	19923	PARALLAX - PureVoltage Hosting Inc., US
5	61609	9613.0	0.30%	2	19226	NextHop Solutions, BR
6	28669	8707.5	0.54%	4	34830	VERO S.A, BR
7	64289	7541.3	0.35%	3	22624	MACARNE - Macarne.com, US
8	269453	7224.0	0.11%	1	7224	LUCIANO YAMASHIRO PINTO, BR
9	214450	7134.5	0.22%	2	14269	OGL-AS, DE
10	211894	6667.9	0.83%	8	53343	UNGLEICH-PLACE18, CH
11	28458	5957.0	0.18%	2	11914	IENTC S DE RL DE CV, MX
12	199678	5912.0	0.09%	1	5912	AS-6RW-, RU
13	268487	5643.0	0.09%	5	5643	PRISMA TELECOMUNICACOES LTDA. EPP, BR
14	26879	5548.0	0.09%	1	5548	AURELIA-TELECOM-LLC - Aurelia Telecom Systems LLC, US
15	141145	5412.0	0.08%	1	5412	GIGANET-AS-ID PT Giga Digital Nusantara, ID
16	204210	4869.2	0.30%	4	19477	ZEUSPACKAGINGLTD, IE
17	211645	4783.0	0.07%	1	4783	SPG, DE
18	210564	4730.0	0.07%	1	4730	SWANTZTER-AS, SE
19	274348	4035.5	0.13%	2	8071	DATASEC PROJETOS E SERVICOS DE TECNOLOGIA E SEGUR, BR
20	141621	4028.0	0.06%	1	4028	GMS-AS-ID PT Galuh Multidata Solution, ID
21	140004	3994.0	0.06%	1	3994	IDNIC-DISKOMINFOTIKKOTABLITAR-AS-ID DINAS KOMUNIKASI INFORMATIKA DAN STATISTIK KOTA BLITAR, ID
22	198090	3857.0	0.06%	1	3857	ASLIBRA, IT
23	138535	3744.3	0.17%	3	11233	FURDEVS-AS-AP Wu Qi, CN
24	205514	3588.0	0.06%	1	3588	REICHER-NET, HU
25	152499	3541.0	0.05%	1	3541	SUNILBB-AS-IN INFINITYLINK COMMUNICATIONS PRIVATE LIMITED, IN
26	209565	3425.0	0.05%	1	3425	JIANYUELAB-STAFF, GB
27	136624	3309.0	0.05%	1	3309	SNRU-AS-AP Sakon Nakhon Rajabhat University, TH
28	137546	3308.0	0.05%	1	3308	RMUTT-EN-AS-AP Faculty of EngineeringRajamangala University of, TH
29	3839	3299.0	0.05%	1	3299	ERX-CHULANET Chulalongkorn University, TH
30	55545	3299.0	0.05%	1	3299	SUT-AS-AP Suranaree University of Technology, TH
31	137261	3274.0	0.05%	1	3274	SWU-AS-UNINET Education Network, TH
32	132482	3271.0	0.05%	1	3271	RMUTR-AS-AP Rajamangala University of Technology Rattanakosin, TH
33	137850	3264.0	0.05%	1	3264	UNINET-AS-MFU Mae Fah Luang University, TH
34	396509	3053.0	0.71%	17	45795	LETSCLOUD - LETSCLOUD, US
35	9562	2633.0	0.04%	1	2633	MSU-TH-AP Mahasarakham University, TH
36	141898	2564.0	0.08%	2	5128	MILENETWORK-AS-ID PT Milenial Inti Telekomunikasi, ID
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	135566	2465.3	0.23%	6	14792	NTPCL-AS-AP National Telecom Public Company Limited, TH
41	138906	2460.0	0.04%	1	2460	MINISTRYOFCULTURE-AS-AP Ministry of Culture, TH
42	137058	2406.0	0.04%	1	2406	AEROTHAI-AS-AP Aeronautical Radio of Thailand Ltd., TH
43	139892	2394.0	0.04%	1	2394	MWA-AS-AP Metropolitan Waterworks Authority, TH
44	4621	2393.5	0.07%	2	4787	UNINET-AS-AP UNINET-, TH
45	139889	2385.0	0.04%	1	2385	FISHERIES-AS-AP Department of Fisheries, TH
46	63972	2365.0	0.07%	2	4730	SOCIAL-TH 8828 Moo 4 Tiwanont Road Nonta-Buri Province 11000, TH
47	24060	2363.0	0.04%	1	2363	KTB-KTBCS-TH KTB COMPUTER SERVICES COMPANY LIMITED, TH
48	60894	2350.5	0.07%	2	4701	FLOWNET Flownet Solutions Ltd, GB
49	140699	2345.5	0.07%	2	4691	ROYALTHAIARMY-AS-AP Royal Thai Army, TH
50	9649	2343.0	0.04%
Total		237232.2	7.50%

50 Most active Prefixes for the past 14 days

RANK	PREFIX	UPDs	%	Origin AS -- AS NAME
1	2804:4bec::/32	34812	0.53%	28669 -- VERO S.A, BR
2	2a14:3f87:9800::/38	22623	0.34%	64289 -- MACARNE - Macarne.com, US
3	2804:70c0::/32	22249	0.34%	270746 -- HBC TELECOM MULTIMIDIA LTDA, BR
4	2804:248:100::/40	21954	0.33%	28598 -- DB3 SERVICOS DE TELECOMUNICACOES S.A, BR
5	2602:fa7c:100::/40	19923	0.30%	26930 -- PARALLAX - PureVoltage Hosting Inc., US
6	2a0c:b641:302::/47	19465	0.29%	204210 -- ZEUSPACKAGINGLTD, IE
7	2804:87bc:dc04::/48	19223	0.29%	61609 -- NextHop Solutions, BR
8	2804:70c0:32::/48	18249	0.28%	270746 -- HBC TELECOM MULTIMIDIA LTDA, BR
9	240d:c010:165::/48	14908	0.23%	139341 -- ACE-AS-AP ACE, SG
10	2a0b:a8c0:2::/48	13113	0.20%	202181 -- TAMCOM-AS, RU
11	2401:2260::/32	12021	0.18%	151650 -- SWITCHFIBER-AS-AP Switch Fiber, PH
12	2806:202::/32	11905	0.18%	28458 -- IENTC S DE RL DE CV, MX
13	2406:840:e620::/48	11130	0.17%	138535 -- FURDEVS-AS-AP Wu Qi, CN
14	2804:70c0::/48	10696	0.16%	270746 -- HBC TELECOM MULTIMIDIA LTDA, BR
15	2a0a:5480:5::/48	8938	0.14%	211894 -- UNGLEICH-PLACE18, CH
16	2a0a:5480:2::/48	8896	0.13%	211894 -- UNGLEICH-PLACE18, CH
17	2a0a:5480:3::/48	8876	0.13%	211894 -- UNGLEICH-PLACE18, CH
18	2a0a:5480::/48	8876	0.13%	211894 -- UNGLEICH-PLACE18, CH
19	2a0a:5480:1::/48	8864	0.13%	211894 -- UNGLEICH-PLACE18, CH
20	2a0a:5480:4::/48	8863	0.13%	211894 -- UNGLEICH-PLACE18, CH
21	2804:984c::/32	8067	0.12%	274348 -- DATASEC PROJETOS E SERVICOS DE TECNOLOGIA E SEGUR, BR
22	2804:64d8::/32	7224	0.11%	269453 -- LUCIANO YAMASHIRO PINTO, BR
23	2a0e:b107:19cb::/48	7162	0.11%	214450 -- OGL-AS, DE
24	2001:678:658::/48	7107	0.11%	214450 -- OGL-AS, DE
25	2001:1260:103::/48	6981	0.11%	13591 -- Mexico Red de Telecomunicaciones, S. de R.L. de C.V., MX
26	2605:9cc0:c06::/48	6923	0.10%	16509 -- AMAZON-02 - Amazon.com, Inc., US 21664 -- AMZN-BYOASN - Amazon.com, Inc., US
27	2402:e580:73f3::/48	6655	0.10%	40138 -- MDNET - Mach Dilemma, LLC, US
28	2605:9cc0:c0e::/48	6316	0.10%	21664 -- AMZN-BYOASN - Amazon.com, Inc., US 8987 -- AWS-GOVCLOUD AWS-GOVCLOUD, IE
29	2001:67c:12d4::/48	5912	0.09%	199678 -- AS-6RW-, RU
30	2602:f92a:e30::/47	5696	0.09%	40929 -- MOEDOVE-BN - MoeDove, US
31	2804:51f8::/32	5643	0.09%	268487 -- PRISMA TELECOMUNICACOES LTDA. EPP, BR
32	2602:f634:20::/44	5548	0.08%	26879 -- AURELIA-TELECOM-LLC - Aurelia Telecom Systems LLC, US
33	2605:9cc0:c03::/48	5430	0.08%	14618 -- AMAZON-AES - Amazon.com, Inc., US 21664 -- AMZN-BYOASN - Amazon.com, Inc., US
34	2407:5440::/48	5412	0.08%	141145 -- GIGANET-AS-ID PT Giga Digital Nusantara, ID
35	2600:6c7f:9370::/44	5374	0.08%	19115 -- CHARTER-19115-DC - Charter Communications LLC, US
36	2605:9cc0:c1a::/48	5186	0.08%	16509 -- AMAZON-02 - Amazon.com, Inc., US 21664 -- AMZN-BYOASN - Amazon.com, Inc., US
37	2a0a:6040:d615::/48	4954	0.07%	200936 -- GUO-AS Chengjie Guos Experimental Network, CN
38	2605:9cc0:c09::/48	4905	0.07%	16509 -- AMAZON-02 - Amazon.com, Inc., US 21664 -- AMZN-BYOASN - Amazon.com, Inc., US
39	2605:9cc0:c0b::/48	4865	0.07%	16509 -- AMAZON-02 - Amazon.com, Inc., US 21664 -- AMZN-BYOASN - Amazon.com, Inc., US
40	2605:9cc0:c00::/48	4791	0.07%	16509 -- AMAZON-02 - Amazon.com, Inc., US 21664 -- AMZN-BYOASN - Amazon.com, Inc., US
41	2a10:41c0::/29	4783	0.07%	211645 -- SPG, DE
42	2402:e580:74b6::/48	4770	0.07%	40138 -- MDNET - Mach Dilemma, LLC, US
43	2a0f:85c0:1::/48	4753	0.07%	207841 -- INFERNO, GB
44	2001:67c:20fc::/48	4731	0.07%	210564 -- SWANTZTER-AS, SE
45	2a11:29c0:3e10::/44	4700	0.07%	60894 -- FLOWNET Flownet Solutions Ltd, GB
46	2605:9cc0:3cc::/48	4672	0.07%	16509 -- AMAZON-02 - Amazon.com, Inc., US 21664 -- AMZN-BYOASN - Amazon.com, Inc., US
47	2800:540:2010::/44	4617	0.07%	27995 -- CLARO CHILE S.A., CL 6535 -- Telmex Servicios Empresariales S.A., CL
48	2a0f:9400:7379::/48	4568	0.07%	213092 -- MARBLEIS, GB
49	2800:540:2000::/44	4511	0.07%	27995 -- CLARO CHILE S.A., CL 6535 -- Telmex Servicios Empresariales S.A., CL
50	2a0f:9400:737d::/48	4494	0.07%	213092 -- MARBLEIS, GB
Total		472334	7.12%

14 Day BGP Update Statistics Profile: 22-March-2026 00:00 - 5-April-2026 23:59 (UTC+1000)

Number of BGP Update Messages:	32190200
Number of Prefix Changes:	34933910
Number of Prefix Updates:	32190200
Number of Prefix Withdrawals:	2743710
Average Prefixes per BGP Update:	1.09
Average BGP Update Messages per second:	26.61
Average Prefix Updates per second:	28.88
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:	6448255	(0.20 of recv'd updates)
Number of RIB Prefix Withdrawals:	158143	(0.06 of recv'd withdrawals)
Peak RIB Update Rate per second:	36545	(22:05:20 Tue, 24-Mar-2026)
Peak RIB Withdrawal Rate per second:	2605	(21:03:21 Tue, 24-Mar-2026)
Seen Prefix Count:	258389
Updated Prefix Count:	254990
Stable Prefix Count:	3399
Seen Origin AS Count:	36464
Updated Origin AS Count:	36269
Stable Origin AS Count:	195
Seen Unique Path Count:	178886
Updated Path Count:	134536
Stable Path Count:	44350

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