The BGP IPv6 Instability Report

This report is updated daily. The current report
was generated on 7 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	2805458	45.75%	3573	785.18	FPT-AS-AP FPT Telecom Company, VN
2	16509	115723	1.89%	5583	20.73	AMAZON-02 - Amazon.com, Inc., US
3	7552	101839	1.66%	4010	25.40	VIETEL-AS-AP Viettel Group, VN
4	9931	100698	1.64%	43	2341.81	NTPCL-AS-AP National Telecom Public Company Limited, TH
5	199340	88027	1.44%	2037	43.21	HONG-GUANWAN, HK
6	32098	79878	1.30%	1869	42.74	TRANSTELCO-INC - Transtelco Inc, US
7	40138	79243	1.29%	39	2031.87	MDNET - Mach Dilemma, LLC, US
8	24158	71122	1.16%	504	141.12	TAIWANMOBILE-AS Taiwan Mobile Co., Ltd., TW
9	202256	62850	1.02%	324	193.98	LAWLIETNET, CN
10	211894	53403	0.87%	8	6675.38	UNGLEICH-PLACE18, CH
11	13999	52083	0.85%	418	124.60	Mega Cable, S.A. de C.V., MX
12	20473	51111	0.83%	3700	13.81	AS-VULTR - The Constant Company, LLC, US
13	396509	49111	0.80%	17	2888.88	LETSCLOUD - LETSCLOUD, US
14	13335	44578	0.73%	2924	15.25	CLOUDFLARENET - Cloudflare, Inc., US
15	270746	34852	0.57%	3	11617.33	HBC TELECOM MULTIMIDIA LTDA, BR
16	28669	34494	0.56%	4	8623.50	VERO S.A, BR
17	137409	28016	0.46%	1127	24.86	GSLNETWORKS-AS-AP GSL Networks Pty LTD, AU
18	9829	25314	0.41%	1021	24.79	BSNL-NIB National Internet Backbone, IN
19	45609	24942	0.41%	3622	6.89	BHARTI-MOBILITY-AS-AP Bharti Airtel Ltd. AS for GPRS Service, IN
20	28548	24126	0.39%	208	115.99	Cablevision, S.A. de C.V., MX
21	10103	23371	0.38%	12	1947.58	HKBN-AS-AP HK Broadband Network Ltd., HK
22	64289	23140	0.38%	3	7713.33	MACARNE - Macarne.com, US
23	28598	22000	0.36%	15	1466.67	DB3 SERVICOS DE TELECOMUNICACOES S.A, BR
24	39891	19999	0.33%	2030	9.85	ALJAWWALSTC-AS, SA
25	45271	19701	0.32%	1160	16.98	VIL-AS-AP Vodafone Idea Ltd, IN
26	26930	19690	0.32%	2	9845.00	PARALLAX - PureVoltage Hosting Inc., US
27	204210	19415	0.32%	4	4853.75	ZEUSPACKAGINGLTD, IE
28	215527	17996	0.29%	10	1799.60	XERONET -_._-, GB
29	139341	17724	0.29%	196	90.43	ACE-AS-AP ACE, SG
30	17072	17481	0.29%	1429	12.23	TOTAL PLAY TELECOMUNICACIONES SA DE CV, MX
31	9335	17388	0.28%	8	2173.50	NTPCL-AS-AP National Telecom Public Company Limited, TH
32	38266	16597	0.27%	1343	12.36	VIL-AS-AP Vodafone Idea Ltd, IN
33	61609	16349	0.27%	2	8174.50	NextHop Solutions, BR
34	8376	16327	0.27%	412	39.63
35	28458	15765	0.26%	2	7882.50	IENTC S DE RL DE CV, MX
36	135566	14792	0.24%	6	2465.33	NTPCL-AS-AP National Telecom Public Company Limited, TH
37	11172	14688	0.24%	2474	5.94	Alestra, S. de R.L. de C.V., MX
38	214450	14171	0.23%	2	7085.50	OGL-AS, DE
39	21664	13502	0.22%	35	385.77	AMZN-BYOASN - Amazon.com, Inc., US
40	213092	13359	0.22%	13	1027.62	MARBLEIS, GB
41	28573	13288	0.22%	1729	7.69	Claro NXT Telecomunicacoes Ltda, BR
42	202181	13221	0.22%	1	13221.00	TAMCOM-AS, RU
43	61573	12425	0.20%	13	955.77	IP TELECOM, BR
44	31898	12014	0.20%	848	14.17	ORACLE-BMC-31898 - Oracle Corporation, US
45	210312	11883	0.19%	2081	5.71	BGP-CLOCK BGP Clock, GR
46	5416	11476	0.19%	1054	10.89	Internet Service Provider, BH
47	151650	11410	0.19%	1	11410.00	SWITCHFIBER-AS-AP Switch Fiber, PH
48	138535	11271	0.18%	3	3757.00	FURDEVS-AS-AP Wu Qi, CN
49	12479	10424	0.17%	1557	6.69	UNI2-AS, ES
50	9835	10090	0.16%	5	2018.00	GITS-TH-AS-AP Government Information Technology Services, TH
Total		4397825	71.73%

50 Most active ASes for the past 14 days

RANK	ASN	UPDs/Prefix	%	Prefixes	UPDs	AS NAME
1	202181	13221.0	0.22%	1	13221	TAMCOM-AS, RU
2	270746	11617.3	0.57%	3	34852	HBC TELECOM MULTIMIDIA LTDA, BR
3	151650	11410.0	0.19%	1	11410	SWITCHFIBER-AS-AP Switch Fiber, PH
4	26930	9845.0	0.32%	2	19690	PARALLAX - PureVoltage Hosting Inc., US
5	28669	8623.5	0.56%	4	34494	VERO S.A, BR
6	61609	8174.5	0.27%	2	16349	NextHop Solutions, BR
7	28458	7882.5	0.26%	2	15765	IENTC S DE RL DE CV, MX
8	64289	7713.3	0.38%	3	23140	MACARNE - Macarne.com, US
9	214450	7085.5	0.23%	2	14171	OGL-AS, DE
10	269453	6780.0	0.11%	1	6780	LUCIANO YAMASHIRO PINTO, BR
11	211894	6675.4	0.87%	8	53403	UNGLEICH-PLACE18, CH
12	199678	5869.0	0.10%	1	5869	AS-6RW-, RU
13	204210	4853.8	0.32%	4	19415	ZEUSPACKAGINGLTD, IE
14	211645	4786.0	0.08%	1	4786	SPG, DE
15	268487	4693.0	0.08%	5	4693	PRISMA TELECOMUNICACOES LTDA. EPP, BR
16	210564	4564.0	0.07%	1	4564	SWANTZTER-AS, SE
17	141621	4124.0	0.07%	1	4124	GMS-AS-ID PT Galuh Multidata Solution, ID
18	140004	3994.0	0.07%	1	3994	IDNIC-DISKOMINFOTIKKOTABLITAR-AS-ID DINAS KOMUNIKASI INFORMATIKA DAN STATISTIK KOTA BLITAR, ID
19	274348	3967.0	0.13%	2	7934	DATASEC PROJETOS E SERVICOS DE TECNOLOGIA E SEGUR, BR
20	212691	3957.5	0.13%	2	7915	ARONSTRECKER-AS, DE
21	198090	3842.0	0.06%	1	3842	ASLIBRA, IT
22	138535	3757.0	0.18%	3	11271	FURDEVS-AS-AP Wu Qi, CN
23	205514	3432.0	0.06%	1	3432	REICHER-NET, HU
24	136624	3309.0	0.05%	1	3309	SNRU-AS-AP Sakon Nakhon Rajabhat University, TH
25	137546	3308.0	0.05%	1	3308	RMUTT-EN-AS-AP Faculty of EngineeringRajamangala University of, TH
26	55545	3299.0	0.05%	1	3299	SUT-AS-AP Suranaree University of Technology, TH
27	3839	3299.0	0.05%	1	3299	ERX-CHULANET Chulalongkorn University, TH
28	396509	3274.1	0.80%	17	49111	LETSCLOUD - LETSCLOUD, US
29	137261	3274.0	0.05%	1	3274	SWU-AS-UNINET Education Network, TH
30	132482	3271.0	0.05%	1	3271	RMUTR-AS-AP Rajamangala University of Technology Rattanakosin, TH
31	137850	3264.0	0.05%	1	3264	UNINET-AS-MFU Mae Fah Luang University, TH
32	152499	3048.0	0.05%	1	3048	SUNILBB-AS-IN INFINITYLINK COMMUNICATIONS PRIVATE LIMITED, IN
33	209565	3041.0	0.05%	1	3041	JIANYUELAB-STAFF, GB
34	26879	2644.0	0.04%	1	2644	AURELIA-TELECOM-LLC - Aurelia Telecom Systems LLC, US
35	9562	2633.0	0.04%	1	2633	MSU-TH-AP Mahasarakham University, TH
36	131090	2527.0	0.04%	1	2527	NTPCL-AS-AP National Telecom Public Company Limited, TH
37	134565	2514.0	0.04%	1	2514	NTPCL-AS-AP National Telecom Public Company Limited, TH
38	212259	2468.0	0.04%	1	2468	ASTRIX-EU, JP
39	135566	2465.3	0.24%	6	14792	NTPCL-AS-AP National Telecom Public Company Limited, TH
40	138906	2460.0	0.04%	1	2460	MINISTRYOFCULTURE-AS-AP Ministry of Culture, TH
41	137058	2406.0	0.04%	1	2406	AEROTHAI-AS-AP Aeronautical Radio of Thailand Ltd., TH
42	139892	2394.0	0.04%	1	2394	MWA-AS-AP Metropolitan Waterworks Authority, TH
43	4621	2393.5	0.08%	2	4787	UNINET-AS-AP UNINET-, TH
44	139889	2385.0	0.04%	1	2385	FISHERIES-AS-AP Department of Fisheries, TH
45	63972	2365.0	0.08%	2	4730	SOCIAL-TH 8828 Moo 4 Tiwanont Road Nonta-Buri Province 11000, TH
46	24060	2363.0	0.04%	1	2363	KTB-KTBCS-TH KTB COMPUTER SERVICES COMPANY LIMITED, TH
47	140699	2345.5	0.08%	2	4691	ROYALTHAIARMY-AS-AP Royal Thai Army, TH
48	9649	2343.0	0.04%	1	2343	MOPH-TH-AP Information Technology Office, SG
49	9931	2341.8	1.64%	43	100698	NTPCL-AS-AP National Telecom Public Company Limited, TH
50	141214	2340.0	0.04%
Total		224642.5	9.18%

50 Most active Prefixes for the past 14 days

RANK	PREFIX	UPDs	%	Origin AS -- AS NAME
1	2804:4bec::/32	34477	0.55%	28669 -- VERO S.A, BR
2	2a14:3f87:9800::/38	23139	0.37%	64289 -- MACARNE - Macarne.com, US
3	2804:248:100::/40	21909	0.35%	28598 -- DB3 SERVICOS DE TELECOMUNICACOES S.A, BR
4	2602:fa7c:100::/40	19690	0.31%	26930 -- PARALLAX - PureVoltage Hosting Inc., US
5	2a0c:b641:302::/47	19400	0.31%	204210 -- ZEUSPACKAGINGLTD, IE
6	2804:87bc:dc04::/48	16346	0.26%	61609 -- NextHop Solutions, BR
7	2806:202::/32	15756	0.25%	28458 -- IENTC S DE RL DE CV, MX
8	240d:c010:165::/48	14563	0.23%	139341 -- ACE-AS-AP ACE, SG
9	2a0b:a8c0:2::/48	13221	0.21%	202181 -- TAMCOM-AS, RU
10	2804:70c0::/32	12934	0.21%	270746 -- HBC TELECOM MULTIMIDIA LTDA, BR
11	2804:70c0:32::/48	12899	0.21%	270746 -- HBC TELECOM MULTIMIDIA LTDA, BR
12	2401:2260::/32	11410	0.18%	151650 -- SWITCHFIBER-AS-AP Switch Fiber, PH
13	2406:840:e620::/48	11198	0.18%	138535 -- FURDEVS-AS-AP Wu Qi, CN
14	2804:70c0::/48	9019	0.14%	270746 -- HBC TELECOM MULTIMIDIA LTDA, BR
15	2a0a:5480:5::/48	8952	0.14%	211894 -- UNGLEICH-PLACE18, CH
16	2a0a:5480:2::/48	8910	0.14%	211894 -- UNGLEICH-PLACE18, CH
17	2a0a:5480::/48	8889	0.14%	211894 -- UNGLEICH-PLACE18, CH
18	2a0a:5480:3::/48	8889	0.14%	211894 -- UNGLEICH-PLACE18, CH
19	2a0a:5480:1::/48	8878	0.14%	211894 -- UNGLEICH-PLACE18, CH
20	2a0a:5480:4::/48	8877	0.14%	211894 -- UNGLEICH-PLACE18, CH
21	2804:984c::/32	7930	0.13%	274348 -- DATASEC PROJETOS E SERVICOS DE TECNOLOGIA E SEGUR, BR
22	2001:678:114::/48	7836	0.12%	212691 -- ARONSTRECKER-AS, DE
23	2001:678:658::/48	7118	0.11%	214450 -- OGL-AS, DE
24	2a0e:b107:19cb::/48	7053	0.11%	214450 -- OGL-AS, DE
25	2605:9cc0:c06::/48	6899	0.11%	16509 -- AMAZON-02 - Amazon.com, Inc., US 21664 -- AMZN-BYOASN - Amazon.com, Inc., US
26	2001:1260:103::/48	6867	0.11%	13591 -- Mexico Red de Telecomunicaciones, S. de R.L. de C.V., MX
27	2804:64d8::/32	6780	0.11%	269453 -- LUCIANO YAMASHIRO PINTO, BR
28	2a0c:b641:bd0::/48	6364	0.10%	215527 -- XERONET -_._-, GB
29	2a0c:b641:bd9::/48	6333	0.10%	215527 -- XERONET -_._-, GB
30	2402:e580:73f3::/48	6310	0.10%	40138 -- MDNET - Mach Dilemma, LLC, US
31	2600:6c7f:9370::/44	6289	0.10%	19115 -- CHARTER-19115-DC - Charter Communications LLC, US
32	2605:9cc0:c0e::/48	6270	0.10%	21664 -- AMZN-BYOASN - Amazon.com, Inc., US 8987 -- AWS-GOVCLOUD AWS-GOVCLOUD, IE
33	2a12:3fc2:dfd2::/48	5907	0.09%	208223 -- FOXO-AS fOxO Internet Service Provider, TW
34	2001:67c:12d4::/48	5869	0.09%	199678 -- AS-6RW-, RU
35	2605:9cc0:c09::/48	5352	0.09%	16509 -- AMAZON-02 - Amazon.com, Inc., US 21664 -- AMZN-BYOASN - Amazon.com, Inc., US
36	2605:9cc0:c03::/48	5347	0.08%	14618 -- AMAZON-AES - Amazon.com, Inc., US 21664 -- AMZN-BYOASN - Amazon.com, Inc., US
37	2605:9cc0:c1a::/48	5097	0.08%	16509 -- AMAZON-02 - Amazon.com, Inc., US 21664 -- AMZN-BYOASN - Amazon.com, Inc., US
38	2a0a:6040:d615::/48	5045	0.08%	200936 -- GUO-AS Chengjie Guos Experimental Network, CN
39	2800:540:2010::/44	5042	0.08%	27995 -- CLARO CHILE S.A., CL 6535 -- Telmex Servicios Empresariales S.A., CL
40	2800:540:2000::/44	4923	0.08%	27995 -- CLARO CHILE S.A., CL 6535 -- Telmex Servicios Empresariales S.A., CL
41	2605:9cc0:c0b::/48	4920	0.08%	16509 -- AMAZON-02 - Amazon.com, Inc., US 21664 -- AMZN-BYOASN - Amazon.com, Inc., US
42	2402:e580:74b6::/48	4787	0.08%	40138 -- MDNET - Mach Dilemma, LLC, US
43	2a10:41c0::/29	4787	0.08%	211645 -- SPG, DE
44	2a0c:e642:2a::/48	4738	0.08%	60326 -- DEADBEEF-AS, SC
45	2607:74c0:100::/44	4730	0.08%	10103 -- HKBN-AS-AP HK Broadband Network Ltd., HK
46	2607:74c0:110::/44	4701	0.07%	10103 -- HKBN-AS-AP HK Broadband Network Ltd., HK
47	2607:74c0:120::/44	4695	0.07%	10103 -- HKBN-AS-AP HK Broadband Network Ltd., HK
48	2804:51f8::/32	4693	0.07%	268487 -- PRISMA TELECOMUNICACOES LTDA. EPP, BR
49	2605:9cc0:c00::/48	4680	0.07%	16509 -- AMAZON-02 - Amazon.com, Inc., US 21664 -- AMZN-BYOASN - Amazon.com, Inc., US
50	2a0f:85c0:1::/48	4670	0.07%	207841 -- INFERNO, GB
Total		461388	7.32%

14 Day BGP Update Statistics Profile: 23-March-2026 00:00 - 6-April-2026 23:59 (UTC+1000)

Number of BGP Update Messages:	32206247
Number of Prefix Changes:	34980180
Number of Prefix Updates:	32206247
Number of Prefix Withdrawals:	2773933
Average Prefixes per BGP Update:	1.09
Average BGP Update Messages per second:	26.63
Average Prefix Updates per second:	28.92
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:	6131842	(0.19 of recv'd updates)
Number of RIB Prefix Withdrawals:	160219	(0.06 of recv'd withdrawals)
Peak RIB Update Rate per second:	57041	(22:05:20 Tue, 24-Mar-2026)
Peak RIB Withdrawal Rate per second:	2369	(21:03:21 Tue, 24-Mar-2026)
Seen Prefix Count:	257782
Updated Prefix Count:	254340
Stable Prefix Count:	3442
Seen Origin AS Count:	36472
Updated Origin AS Count:	36262
Stable Origin AS Count:	210
Seen Unique Path Count:	176426
Updated Path Count:	131646
Stable Path Count:	44780

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