The BGP IPv6 Instability Report

This report is updated daily. The current report
was generated on 3 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	3129990	47.11%	3573	876.01	FPT-AS-AP FPT Telecom Company, VN
2	32098	146568	2.21%	1869	78.42	TRANSTELCO-INC - Transtelco Inc, US
3	16509	107477	1.62%	5577	19.27	AMAZON-02 - Amazon.com, Inc., US
4	9931	100909	1.52%	43	2346.72	NTPCL-AS-AP National Telecom Public Company Limited, TH
5	13999	99196	1.49%	418	237.31	Mega Cable, S.A. de C.V., MX
6	7552	94797	1.43%	4010	23.64	VIETEL-AS-AP Viettel Group, VN
7	199340	93386	1.41%	3902	23.93	HONG-GUANWAN, HK
8	40138	81497	1.23%	39	2089.67	MDNET - Mach Dilemma, LLC, US
9	24158	71122	1.07%	504	141.12	TAIWANMOBILE-AS Taiwan Mobile Co., Ltd., TW
10	202256	70900	1.07%	324	218.83	LAWLIETNET, CN
11	211894	53293	0.80%	8	6661.62	UNGLEICH-PLACE18, CH
12	270746	48654	0.73%	3	16218.00	HBC TELECOM MULTIMIDIA LTDA, BR
13	13335	43738	0.66%	2926	14.95	CLOUDFLARENET - Cloudflare, Inc., US
14	28548	38638	0.58%	208	185.76	Cablevision, S.A. de C.V., MX
15	396509	35009	0.53%	17	2059.35	LETSCLOUD - LETSCLOUD, US
16	28669	33484	0.50%	4	8371.00	VERO S.A, BR
17	20473	30105	0.45%	2103	14.32	AS-VULTR - The Constant Company, LLC, US
18	137409	29814	0.45%	1126	26.48	GSLNETWORKS-AS-AP GSL Networks Pty LTD, AU
19	45609	24886	0.37%	3623	6.87	BHARTI-MOBILITY-AS-AP Bharti Airtel Ltd. AS for GPRS Service, IN
20	17072	24559	0.37%	1433	17.14	TOTAL PLAY TELECOMUNICACIONES SA DE CV, MX
21	9829	24061	0.36%	1021	23.57	BSNL-NIB National Internet Backbone, IN
22	64289	23403	0.35%	3	7801.00	MACARNE - Macarne.com, US
23	28598	22587	0.34%	15	1505.80	DB3 SERVICOS DE TELECOMUNICACOES S.A, BR
24	10103	21709	0.33%	12	1809.08	HKBN-AS-AP HK Broadband Network Ltd., HK
25	26930	20847	0.31%	2	10423.50	PARALLAX - PureVoltage Hosting Inc., US
26	61609	20597	0.31%	2	10298.50	NextHop Solutions, BR
27	204210	20464	0.31%	4	5116.00	ZEUSPACKAGINGLTD, IE
28	45271	20318	0.31%	1256	16.18	VIL-AS-AP Vodafone Idea Ltd, IN
29	215527	18861	0.28%	10	1886.10	XERONET -_._-, GB
30	139341	18128	0.27%	195	92.96	ACE-AS-AP ACE, SG
31	9335	17442	0.26%	8	2180.25	NTPCL-AS-AP National Telecom Public Company Limited, TH
32	39891	16584	0.25%	2030	8.17	ALJAWWALSTC-AS, SA
33	212691	16582	0.25%	2	8291.00	ARONSTRECKER-AS, DE
34	214450	16375	0.25%	2	8187.50	OGL-AS, DE
35	5416	16230	0.24%	2599	6.24	Internet Service Provider, BH
36	8376	15306	0.23%	410	37.33
37	135566	14814	0.22%	6	2469.00	NTPCL-AS-AP National Telecom Public Company Limited, TH
38	213092	14486	0.22%	13	1114.31	MARBLEIS, GB
39	21664	13795	0.21%	36	383.19	AMZN-BYOASN - Amazon.com, Inc., US
40	202181	13163	0.20%	1	13163.00	TAMCOM-AS, RU
41	11172	13142	0.20%	2476	5.31	Alestra, S. de R.L. de C.V., MX
42	204464	12923	0.19%	21	615.38	NEXTHOST NextHost - Hosting Provider DE, DE
43	272053	12464	0.19%	5	2492.80	ANTUNES FLORES SERGIO OMAR NUEVA NET, AR
44	61573	12339	0.19%	13	949.15	IP TELECOM, BR
45	9808	12001	0.18%	6924	1.73	CHINAMOBILE-CN China Mobile Communications Group Co., Ltd., CN
46	28458	11822	0.18%	2	5911.00	IENTC S DE RL DE CV, MX
47	138535	11761	0.18%	3	3920.33	FURDEVS-AS-AP Wu Qi, CN
48	210312	11732	0.18%	2076	5.65	BGP-CLOCK BGP Clock, GR
49	31898	11506	0.17%	847	13.58	ORACLE-BMC-31898 - Oracle Corporation, US
50	151650	10921	0.16%	1	10921.00	SWITCHFIBER-AS-AP Switch Fiber, PH
Total		4844385	72.92%

50 Most active ASes for the past 14 days

RANK	ASN	UPDs/Prefix	%	Prefixes	UPDs	AS NAME
1	270746	16218.0	0.73%	3	48654	HBC TELECOM MULTIMIDIA LTDA, BR
2	202181	13163.0	0.20%	1	13163	TAMCOM-AS, RU
3	151650	10921.0	0.16%	1	10921	SWITCHFIBER-AS-AP Switch Fiber, PH
4	26930	10423.5	0.31%	2	20847	PARALLAX - PureVoltage Hosting Inc., US
5	61609	10298.5	0.31%	2	20597	NextHop Solutions, BR
6	28669	8371.0	0.50%	4	33484	VERO S.A, BR
7	212691	8291.0	0.25%	2	16582	ARONSTRECKER-AS, DE
8	214450	8187.5	0.25%	2	16375	OGL-AS, DE
9	64289	7801.0	0.35%	3	23403	MACARNE - Macarne.com, US
10	141145	7390.0	0.11%	1	7390	GIGANET-AS-ID PT Giga Digital Nusantara, ID
11	269453	7310.0	0.11%	1	7310	LUCIANO YAMASHIRO PINTO, BR
12	211894	6661.6	0.80%	8	53293	UNGLEICH-PLACE18, CH
13	28458	5911.0	0.18%	2	11822	IENTC S DE RL DE CV, MX
14	204210	5116.0	0.31%	4	20464	ZEUSPACKAGINGLTD, IE
15	141898	5100.0	0.15%	2	10200	MILENETWORK-AS-ID PT Milenial Inti Telekomunikasi, ID
16	210564	4823.0	0.07%	1	4823	SWANTZTER-AS, SE
17	211645	4790.0	0.07%	1	4790	SPG, DE
18	209565	4271.0	0.06%	1	4271	JIANYUELAB-STAFF, GB
19	140004	3994.0	0.06%	1	3994	IDNIC-DISKOMINFOTIKKOTABLITAR-AS-ID DINAS KOMUNIKASI INFORMATIKA DAN STATISTIK KOTA BLITAR, ID
20	138535	3920.3	0.18%	3	11761	FURDEVS-AS-AP Wu Qi, CN
21	198090	3847.0	0.06%	1	3847	ASLIBRA, IT
22	274348	3769.0	0.11%	2	7538	DATASEC PROJETOS E SERVICOS DE TECNOLOGIA E SEGUR, BR
23	205514	3655.0	0.06%	1	3655	REICHER-NET, HU
24	141621	3607.0	0.05%	1	3607	GMS-AS-ID PT Galuh Multidata Solution, ID
25	137546	3318.0	0.05%	1	3318	RMUTT-EN-AS-AP Faculty of EngineeringRajamangala University of, TH
26	3839	3309.0	0.05%	1	3309	ERX-CHULANET Chulalongkorn University, TH
27	55545	3309.0	0.05%	1	3309	SUT-AS-AP Suranaree University of Technology, TH
28	137261	3284.0	0.05%	1	3284	SWU-AS-UNINET Education Network, TH
29	132482	3281.0	0.05%	1	3281	RMUTR-AS-AP Rajamangala University of Technology Rattanakosin, TH
30	137850	3274.0	0.05%	1	3274	UNINET-AS-MFU Mae Fah Luang University, TH
31	152499	3211.0	0.05%	1	3211	SUNILBB-AS-IN INFINITYLINK COMMUNICATIONS PRIVATE LIMITED, IN
32	206497	3200.0	0.05%	1	3200	SYSCON, DE
33	264525	3129.5	0.09%	5	6259	Coelho Tecnologia, BR
34	268487	2812.0	0.04%	5	2812	PRISMA TELECOMUNICACOES LTDA. EPP, BR
35	199678	2719.0	0.04%	1	2719	AS-6RW-, RU
36	9562	2643.0	0.04%	1	2643	MSU-TH-AP Mahasarakham University, TH
37	41108	2564.0	0.12%	3	7692	FIRSTROOT-AS, DE
38	44335	2542.0	0.04%	1	2542	NOCYO-AS, DE
39	212259	2531.0	0.04%	1	2531	ASTRIX-EU, JP
40	131090	2530.0	0.04%	1	2530	NTPCL-AS-AP National Telecom Public Company Limited, TH
41	134565	2518.0	0.04%	1	2518	NTPCL-AS-AP National Telecom Public Company Limited, TH
42	210729	2496.0	0.04%	1	2496	MARKUS-WIPP, DE
43	272053	2492.8	0.19%	5	12464	ANTUNES FLORES SERGIO OMAR NUEVA NET, AR
44	203757	2492.0	0.04%	1	2492	CZUBAYKO, DE
45	135566	2469.0	0.22%	6	14814	NTPCL-AS-AP National Telecom Public Company Limited, TH
46	210887	2469.0	0.04%	1	2469	SACK, DE
47	47347	2469.0	0.04%	1	2469	VC-AS, DE
48	138906	2464.0	0.04%	1	2464	MINISTRYOFCULTURE-AS-AP Ministry of Culture, TH
49	212704	2457.0	0.04%	1	2457	AS-DXLD, AT
50	137058	2411.0	0.04%
Total		240233.7	7.02%

50 Most active Prefixes for the past 14 days

RANK	PREFIX	UPDs	%	Origin AS -- AS NAME
1	2804:4bec::/32	33467	0.49%	28669 -- VERO S.A, BR
2	2a14:3f87:9800::/38	23402	0.34%	64289 -- MACARNE - Macarne.com, US
3	2804:248:100::/40	22538	0.33%	28598 -- DB3 SERVICOS DE TELECOMUNICACOES S.A, BR
4	2602:fa7c:100::/40	20846	0.31%	26930 -- PARALLAX - PureVoltage Hosting Inc., US
5	2804:87bc:dc04::/48	20583	0.30%	61609 -- NextHop Solutions, BR
6	2804:70c0:32::/48	20482	0.30%	270746 -- HBC TELECOM MULTIMIDIA LTDA, BR
7	2a0c:b641:302::/47	20455	0.30%	204210 -- ZEUSPACKAGINGLTD, IE
8	2804:70c0::/32	16660	0.24%	270746 -- HBC TELECOM MULTIMIDIA LTDA, BR
9	2001:678:114::/48	16575	0.24%	212691 -- ARONSTRECKER-AS, DE
10	240d:c010:165::/48	14922	0.22%	139341 -- ACE-AS-AP ACE, SG
11	2a0b:a8c0:2::/48	13163	0.19%	202181 -- TAMCOM-AS, RU
12	2806:202::/32	11809	0.17%	28458 -- IENTC S DE RL DE CV, MX
13	2406:840:e620::/48	11623	0.17%	138535 -- FURDEVS-AS-AP Wu Qi, CN
14	2804:70c0::/48	11512	0.17%	270746 -- HBC TELECOM MULTIMIDIA LTDA, BR
15	2401:2260::/32	10921	0.16%	151650 -- SWITCHFIBER-AS-AP Switch Fiber, PH
16	2a10:9902:732::/48	9548	0.14%	211972 -- MSN-NET, DE
17	2a0a:5480:5::/48	8927	0.13%	211894 -- UNGLEICH-PLACE18, CH
18	2a0a:5480:2::/48	8885	0.13%	211894 -- UNGLEICH-PLACE18, CH
19	2a0a:5480::/48	8867	0.13%	211894 -- UNGLEICH-PLACE18, CH
20	2a0a:5480:3::/48	8866	0.13%	211894 -- UNGLEICH-PLACE18, CH
21	2a0a:5480:1::/48	8858	0.13%	211894 -- UNGLEICH-PLACE18, CH
22	2a0a:5480:4::/48	8857	0.13%	211894 -- UNGLEICH-PLACE18, CH
23	2a0e:b107:19cb::/48	8237	0.12%	214450 -- OGL-AS, DE
24	2001:678:658::/48	8138	0.12%	214450 -- OGL-AS, DE
25	2402:e580:73f3::/48	7715	0.11%	40138 -- MDNET - Mach Dilemma, LLC, US
26	2602:fe19::/48	7678	0.11%	26073 -- COFRACTAL-001 - Cofractal, Inc., US
27	2001:1260:103::/48	7655	0.11%	13591 -- Mexico Red de Telecomunicaciones, S. de R.L. de C.V., MX
28	2804:984c::/32	7532	0.11%	274348 -- DATASEC PROJETOS E SERVICOS DE TECNOLOGIA E SEGUR, BR
29	2407:5440::/48	7390	0.11%	141145 -- GIGANET-AS-ID PT Giga Digital Nusantara, ID
30	2804:64d8::/32	7310	0.11%	269453 -- LUCIANO YAMASHIRO PINTO, BR
31	2a02:16c8::/35	7032	0.10%	6871 -- PLUSNET UK Internet Service Provider, GB
32	2605:9cc0:c06::/48	6679	0.10%	16509 -- AMAZON-02 - Amazon.com, Inc., US 21664 -- AMZN-BYOASN - Amazon.com, Inc., US
33	2a0c:b641:bd0::/48	6596	0.10%	215527 -- XERONET -_._-, GB
34	2a0c:b641:bd9::/48	6557	0.10%	215527 -- XERONET -_._-, GB
35	2605:9cc0:c0e::/48	6327	0.09%	21664 -- AMZN-BYOASN - Amazon.com, Inc., US 8987 -- AWS-GOVCLOUD AWS-GOVCLOUD, IE
36	2804:20fc:2000::/36	6251	0.09%	264525 -- Coelho Tecnologia, BR
37	2a12:3fc2:dfd2::/48	6004	0.09%	208223 -- FOXO-AS fOxO Internet Service Provider, TW
38	2a14:7dc0:511::/48	5672	0.08%	201705 -- XLI-NET, CN
39	2605:9cc0:c1a::/48	5501	0.08%	16509 -- AMAZON-02 - Amazon.com, Inc., US 21664 -- AMZN-BYOASN - Amazon.com, Inc., US
40	2605:9cc0:c09::/48	5235	0.08%	16509 -- AMAZON-02 - Amazon.com, Inc., US 21664 -- AMZN-BYOASN - Amazon.com, Inc., US
41	2605:9cc0:c0b::/48	5169	0.08%	16509 -- AMAZON-02 - Amazon.com, Inc., US 21664 -- AMZN-BYOASN - Amazon.com, Inc., US
42	2605:9cc0:c03::/48	5167	0.08%	14618 -- AMAZON-AES - Amazon.com, Inc., US 21664 -- AMZN-BYOASN - Amazon.com, Inc., US
43	2400:4be0::/48	5100	0.07%	141898 -- MILENETWORK-AS-ID PT Milenial Inti Telekomunikasi, ID
44	2400:4be0:14::/48	5100	0.07%	141898 -- MILENETWORK-AS-ID PT Milenial Inti Telekomunikasi, ID
45	2a0f:9400:737d::/48	5014	0.07%	213092 -- MARBLEIS, GB
46	2a0a:6040:d615::/48	4961	0.07%	200936 -- GUO-AS Chengjie Guos Experimental Network, CN
47	2a0f:9400:7370::/48	4828	0.07%	213092 -- MARBLEIS, GB
48	2001:67c:20fc::/48	4824	0.07%	210564 -- SWANTZTER-AS, SE
49	2605:9cc0:c00::/48	4797	0.07%	16509 -- AMAZON-02 - Amazon.com, Inc., US 21664 -- AMZN-BYOASN - Amazon.com, Inc., US
50	2a10:41c0::/29	4790	0.07%	211645 -- SPG, DE
Total		505025	7.38%

14 Day BGP Update Statistics Profile: 19-March-2026 00:00 - 2-April-2026 23:59 (UTC+1000)

Number of BGP Update Messages:	29500826
Number of Prefix Changes:	32139957
Number of Prefix Updates:	29500826
Number of Prefix Withdrawals:	2639131
Average Prefixes per BGP Update:	1.09
Average BGP Update Messages per second:	24.39
Average Prefix Updates per second:	26.57
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:	6644216	(0.23 of recv'd updates)
Number of RIB Prefix Withdrawals:	165324	(0.06 of recv'd withdrawals)
Peak RIB Update Rate per second:	29513	(22:05:20 Tue, 24-Mar-2026)
Peak RIB Withdrawal Rate per second:	2605	(21:03:21 Tue, 24-Mar-2026)
Seen Prefix Count:	259312
Updated Prefix Count:	255908
Stable Prefix Count:	3404
Seen Origin AS Count:	36449
Updated Origin AS Count:	36242
Stable Origin AS Count:	207
Seen Unique Path Count:	183763
Updated Path Count:	143531
Stable Path Count:	40232

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