The BGP IPv6 Instability Report

This report is updated daily. The current report
was generated on 5 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	3130005	47.75%	3573	876.02	FPT-AS-AP FPT Telecom Company, VN
2	32098	146877	2.24%	1868	78.63	TRANSTELCO-INC - Transtelco Inc, US
3	16509	106583	1.63%	5579	19.10	AMAZON-02 - Amazon.com, Inc., US
4	9931	100698	1.54%	43	2341.81	NTPCL-AS-AP National Telecom Public Company Limited, TH
5	13999	99118	1.51%	418	237.12	Mega Cable, S.A. de C.V., MX
6	199340	91205	1.39%	3836	23.78	HONG-GUANWAN, HK
7	270746	90190	1.38%	3	30063.33	HBC TELECOM MULTIMIDIA LTDA, BR
8	7552	89537	1.37%	4010	22.33	VIETEL-AS-AP Viettel Group, VN
9	40138	77019	1.17%	39	1974.85	MDNET - Mach Dilemma, LLC, US
10	24158	71122	1.09%	504	141.12	TAIWANMOBILE-AS Taiwan Mobile Co., Ltd., TW
11	202256	64742	0.99%	324	199.82	LAWLIETNET, CN
12	28548	48926	0.75%	208	235.22	Cablevision, S.A. de C.V., MX
13	211894	44201	0.67%	8	5525.12	UNGLEICH-PLACE18, CH
14	13335	43765	0.67%	2924	14.97	CLOUDFLARENET - Cloudflare, Inc., US
15	20473	43074	0.66%	3530	12.20	AS-VULTR - The Constant Company, LLC, US
16	396509	42269	0.64%	17	2486.41	LETSCLOUD - LETSCLOUD, US
17	28669	34505	0.53%	4	8626.25	VERO S.A, BR
18	137409	28459	0.43%	1127	25.25	GSLNETWORKS-AS-AP GSL Networks Pty LTD, AU
19	9829	25800	0.39%	1021	25.27	BSNL-NIB National Internet Backbone, IN
20	45609	24884	0.38%	3621	6.87	BHARTI-MOBILITY-AS-AP Bharti Airtel Ltd. AS for GPRS Service, IN
21	17072	23851	0.36%	1433	16.64	TOTAL PLAY TELECOMUNICACIONES SA DE CV, MX
22	28598	22868	0.35%	15	1524.53	DB3 SERVICOS DE TELECOMUNICACOES S.A, BR
23	64289	22613	0.34%	3	7537.67	MACARNE - Macarne.com, US
24	215527	20898	0.32%	10	2089.80	XERONET -_._-, GB
25	10103	20769	0.32%	12	1730.75	HKBN-AS-AP HK Broadband Network Ltd., HK
26	26930	20150	0.31%	2	10075.00	PARALLAX - PureVoltage Hosting Inc., US
27	204210	20051	0.31%	4	5012.75	ZEUSPACKAGINGLTD, IE
28	61609	19333	0.29%	2	9666.50	NextHop Solutions, BR
29	45271	18502	0.28%	1160	15.95	VIL-AS-AP Vodafone Idea Ltd, IN
30	139341	18144	0.28%	196	92.57	ACE-AS-AP ACE, SG
31	39891	17551	0.27%	2030	8.65	ALJAWWALSTC-AS, SA
32	9335	17388	0.27%	8	2173.50	NTPCL-AS-AP National Telecom Public Company Limited, TH
33	135566	14792	0.23%	6	2465.33	NTPCL-AS-AP National Telecom Public Company Limited, TH
34	5416	14750	0.23%	1054	13.99	Internet Service Provider, BH
35	8376	14455	0.22%	410	35.26
36	214450	14419	0.22%	2	7209.50	OGL-AS, DE
37	21664	13858	0.21%	36	384.94	AMZN-BYOASN - Amazon.com, Inc., US
38	213092	13660	0.21%	13	1050.77	MARBLEIS, GB
39	204508	13111	0.20%	18	728.39	MLGT, IT
40	11172	13074	0.20%	2474	5.28	Alestra, S. de R.L. de C.V., MX
41	204464	12902	0.20%	21	614.38	NEXTHOST NextHost - Hosting Provider DE, DE
42	61573	12507	0.19%	13	962.08	IP TELECOM, BR
43	9808	12021	0.18%	6924	1.74	CHINAMOBILE-CN China Mobile Communications Group Co., Ltd., CN
44	28458	11929	0.18%	2	5964.50	IENTC S DE RL DE CV, MX
45	23679	11897	0.18%	26	457.58	NUSANET-AS-ID PT. Media Antar Nusa, ID
46	210312	11735	0.18%	2079	5.64	BGP-CLOCK BGP Clock, GR
47	151650	11539	0.18%	1	11539.00	SWITCHFIBER-AS-AP Switch Fiber, PH
48	138535	11365	0.17%	3	3788.33	FURDEVS-AS-AP Wu Qi, CN
49	31898	10743	0.16%	848	12.67	ORACLE-BMC-31898 - Oracle Corporation, US
50	12654	10674	0.16%	59	180.92	RIPE-NCC-RIS-AS Reseaux IP Europeens Network Coordination Centre RIPE NCC, NL
Total		4874528	74.38%

50 Most active ASes for the past 14 days

RANK	ASN	UPDs/Prefix	%	Prefixes	UPDs	AS NAME
1	270746	30063.3	1.38%	3	90190	HBC TELECOM MULTIMIDIA LTDA, BR
2	151650	11539.0	0.18%	1	11539	SWITCHFIBER-AS-AP Switch Fiber, PH
3	26879	10489.0	0.16%	1	10489	AURELIA-TELECOM-LLC - Aurelia Telecom Systems LLC, US
4	26930	10075.0	0.31%	2	20150	PARALLAX - PureVoltage Hosting Inc., US
5	61609	9666.5	0.29%	2	19333	NextHop Solutions, BR
6	28669	8626.2	0.53%	4	34505	VERO S.A, BR
7	64289	7537.7	0.34%	3	22613	MACARNE - Macarne.com, US
8	269453	7310.0	0.11%	1	7310	LUCIANO YAMASHIRO PINTO, BR
9	214450	7209.5	0.22%	2	14419	OGL-AS, DE
10	141145	5971.0	0.09%	1	5971	GIGANET-AS-ID PT Giga Digital Nusantara, ID
11	28458	5964.5	0.18%	2	11929	IENTC S DE RL DE CV, MX
12	199678	5922.0	0.09%	1	5922	AS-6RW-, RU
13	202181	5860.0	0.09%	1	5860	TAMCOM-AS, RU
14	211894	5525.1	0.67%	8	44201	UNGLEICH-PLACE18, CH
15	204210	5012.8	0.31%	4	20051	ZEUSPACKAGINGLTD, IE
16	210564	4898.0	0.07%	1	4898	SWANTZTER-AS, SE
17	211645	4678.0	0.07%	1	4678	SPG, DE
18	152499	4076.0	0.06%	1	4076	SUNILBB-AS-IN INFINITYLINK COMMUNICATIONS PRIVATE LIMITED, IN
19	274348	4052.0	0.12%	2	8104	DATASEC PROJETOS E SERVICOS DE TECNOLOGIA E SEGUR, BR
20	140004	3994.0	0.06%	1	3994	IDNIC-DISKOMINFOTIKKOTABLITAR-AS-ID DINAS KOMUNIKASI INFORMATIKA DAN STATISTIK KOTA BLITAR, ID
21	141621	3856.0	0.06%	1	3856	GMS-AS-ID PT Galuh Multidata Solution, ID
22	198090	3855.0	0.06%	1	3855	ASLIBRA, IT
23	209565	3801.0	0.06%	1	3801	JIANYUELAB-STAFF, GB
24	138535	3788.3	0.17%	3	11365	FURDEVS-AS-AP Wu Qi, CN
25	205514	3525.0	0.05%	1	3525	REICHER-NET, HU
26	141898	3436.0	0.10%	2	6872	MILENETWORK-AS-ID PT Milenial Inti Telekomunikasi, ID
27	137546	3311.0	0.05%	1	3311	RMUTT-EN-AS-AP Faculty of EngineeringRajamangala University of, TH
28	55545	3302.0	0.05%	1	3302	SUT-AS-AP Suranaree University of Technology, TH
29	3839	3302.0	0.05%	1	3302	ERX-CHULANET Chulalongkorn University, 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	268487	2850.0	0.04%	5	2850	PRISMA TELECOMUNICACOES LTDA. EPP, BR
34	396509	2817.9	0.64%	17	42269	LETSCLOUD - LETSCLOUD, US
35	9562	2636.0	0.04%	1	2636	MSU-TH-AP Mahasarakham University, TH
36	212259	2531.0	0.04%	1	2531	ASTRIX-EU, JP
37	131090	2527.0	0.04%	1	2527	NTPCL-AS-AP National Telecom Public Company Limited, TH
38	134565	2514.0	0.04%	1	2514	NTPCL-AS-AP National Telecom Public Company Limited, TH
39	206497	2500.0	0.04%	1	2500	SYSCON, DE
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	4621	2395.0	0.07%	2	4790	UNINET-AS-AP UNINET-, TH
44	139892	2394.0	0.04%	1	2394	MWA-AS-AP Metropolitan Waterworks Authority, 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	140699	2345.5	0.07%	2	4691	ROYALTHAIARMY-AS-AP Royal Thai Army, TH
49	9931	2341.8	1.54%	43	100698	NTPCL-AS-AP National Telecom Public Company Limited, TH
50	141214	2340.0	0.04%
Total		245100.4	9.23%

50 Most active Prefixes for the past 14 days

RANK	PREFIX	UPDs	%	Origin AS -- AS NAME
1	2804:70c0:32::/48	38707	0.58%	270746 -- HBC TELECOM MULTIMIDIA LTDA, BR
2	2804:4bec::/32	34488	0.51%	28669 -- VERO S.A, BR
3	2804:70c0::/32	34192	0.51%	270746 -- HBC TELECOM MULTIMIDIA LTDA, BR
4	2804:248:100::/40	22822	0.34%	28598 -- DB3 SERVICOS DE TELECOMUNICACOES S.A, BR
5	2a14:3f87:9800::/38	22612	0.34%	64289 -- MACARNE - Macarne.com, US
6	2602:fa7c:100::/40	20150	0.30%	26930 -- PARALLAX - PureVoltage Hosting Inc., US
7	2a0c:b641:302::/47	20043	0.30%	204210 -- ZEUSPACKAGINGLTD, IE
8	2804:87bc:dc04::/48	19321	0.29%	61609 -- NextHop Solutions, BR
9	2804:70c0::/48	17291	0.26%	270746 -- HBC TELECOM MULTIMIDIA LTDA, BR
10	240d:c010:165::/48	15032	0.22%	139341 -- ACE-AS-AP ACE, SG
11	2806:202::/32	11920	0.18%	28458 -- IENTC S DE RL DE CV, MX
12	2401:2260::/32	11539	0.17%	151650 -- SWITCHFIBER-AS-AP Switch Fiber, PH
13	2406:840:e620::/48	11227	0.17%	138535 -- FURDEVS-AS-AP Wu Qi, CN
14	2602:f634:20::/44	10489	0.16%	26879 -- AURELIA-TELECOM-LLC - Aurelia Telecom Systems LLC, US
15	2600:6c7f:9370::/44	9913	0.15%	19115 -- CHARTER-19115-DC - Charter Communications LLC, US
16	2804:984c::/32	8099	0.12%	274348 -- DATASEC PROJETOS E SERVICOS DE TECNOLOGIA E SEGUR, BR
17	2a0a:5480:1::/48	7364	0.11%	211894 -- UNGLEICH-PLACE18, CH
18	2a0a:5480:4::/48	7364	0.11%	211894 -- UNGLEICH-PLACE18, CH
19	2a0a:5480::/48	7363	0.11%	211894 -- UNGLEICH-PLACE18, CH
20	2a0a:5480:3::/48	7360	0.11%	211894 -- UNGLEICH-PLACE18, CH
21	2a0a:5480:2::/48	7359	0.11%	211894 -- UNGLEICH-PLACE18, CH
22	2a0a:5480:5::/48	7358	0.11%	211894 -- UNGLEICH-PLACE18, CH
23	2804:64d8::/32	7310	0.11%	269453 -- LUCIANO YAMASHIRO PINTO, BR
24	2a0e:b107:19cb::/48	7229	0.11%	214450 -- OGL-AS, DE
25	2001:678:658::/48	7190	0.11%	214450 -- OGL-AS, DE
26	2402:e580:73f3::/48	7186	0.11%	40138 -- MDNET - Mach Dilemma, LLC, US
27	2001:1260:103::/48	7100	0.11%	13591 -- Mexico Red de Telecomunicaciones, S. de R.L. de C.V., MX
28	2605:9cc0:c06::/48	6952	0.10%	16509 -- AMAZON-02 - Amazon.com, Inc., US 21664 -- AMZN-BYOASN - Amazon.com, Inc., US
29	2a0c:b641:bd0::/48	6585	0.10%	215527 -- XERONET -_._-, GB
30	2a0c:b641:bd9::/48	6554	0.10%	215527 -- XERONET -_._-, GB
31	2605:9cc0:c0e::/48	6324	0.09%	21664 -- AMZN-BYOASN - Amazon.com, Inc., US 8987 -- AWS-GOVCLOUD AWS-GOVCLOUD, IE
32	2a0c:b641:bd2::/48	6002	0.09%	215527 -- XERONET -_._-, GB
33	2407:5440::/48	5971	0.09%	141145 -- GIGANET-AS-ID PT Giga Digital Nusantara, ID
34	2001:67c:12d4::/48	5922	0.09%	199678 -- AS-6RW-, RU
35	2a0b:a8c0:2::/48	5860	0.09%	202181 -- TAMCOM-AS, RU
36	2605:9cc0:c03::/48	5449	0.08%	14618 -- AMAZON-AES - Amazon.com, Inc., US 21664 -- AMZN-BYOASN - Amazon.com, Inc., US
37	2605:9cc0:c1a::/48	5263	0.08%	16509 -- AMAZON-02 - Amazon.com, Inc., US 21664 -- AMZN-BYOASN - Amazon.com, Inc., US
38	2a0a:6040:d615::/48	5057	0.08%	200936 -- GUO-AS Chengjie Guos Experimental Network, CN
39	2001:67c:20fc::/48	4898	0.07%	210564 -- SWANTZTER-AS, SE
40	2605:9cc0:c09::/48	4864	0.07%	16509 -- AMAZON-02 - Amazon.com, Inc., US 21664 -- AMZN-BYOASN - Amazon.com, Inc., US
41	2605:9cc0:c00::/48	4845	0.07%	16509 -- AMAZON-02 - Amazon.com, Inc., US 21664 -- AMZN-BYOASN - Amazon.com, Inc., US
42	2605:9cc0:c0b::/48	4840	0.07%	16509 -- AMAZON-02 - Amazon.com, Inc., US 21664 -- AMZN-BYOASN - Amazon.com, Inc., US
43	2a0f:85c0:1::/48	4744	0.07%	207841 -- INFERNO, GB
44	2a0c:e642:2a::/48	4738	0.07%	60326 -- DEADBEEF-AS, SC
45	2a10:41c0::/29	4678	0.07%	211645 -- SPG, DE
46	2402:e580:74b6::/48	4660	0.07%	40138 -- MDNET - Mach Dilemma, LLC, US
47	2605:9cc0:3cc::/48	4643	0.07%	16509 -- AMAZON-02 - Amazon.com, Inc., US 21664 -- AMZN-BYOASN - Amazon.com, Inc., US
48	2a0f:9400:737d::/48	4621	0.07%	213092 -- MARBLEIS, GB
49	2a10:9902:732::/48	4596	0.07%	211972 -- MSN-NET, DE
50	2a0f:9400:7379::/48	4492	0.07%	213092 -- MARBLEIS, GB
Total		510586	7.64%

14 Day BGP Update Statistics Profile: 21-March-2026 00:00 - 4-April-2026 23:59 (UTC+1000)

Number of BGP Update Messages:	31291382
Number of Prefix Changes:	33998973
Number of Prefix Updates:	31291382
Number of Prefix Withdrawals:	2707591
Average Prefixes per BGP Update:	1.09
Average BGP Update Messages per second:	25.87
Average Prefix Updates per second:	28.11
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:	6554914	(0.21 of recv'd updates)
Number of RIB Prefix Withdrawals:	160276	(0.06 of recv'd withdrawals)
Peak RIB Update Rate per second:	34342	(22:05:20 Tue, 24-Mar-2026)
Peak RIB Withdrawal Rate per second:	2605	(21:03:21 Tue, 24-Mar-2026)
Seen Prefix Count:	259152
Updated Prefix Count:	255761
Stable Prefix Count:	3391
Seen Origin AS Count:	36459
Updated Origin AS Count:	36261
Stable Origin AS Count:	198
Seen Unique Path Count:	179276
Updated Path Count:	137704
Stable Path Count:	41572

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