The BGP IPv6 Instability Report

This report is updated daily. The current report
was generated on 29 March 2026 01:19 (UTC+1000)

50 Most active ASes for the past 14 days

RANK	ASN	UPDs	%	Prefixes	UPDs/Prefix	AS NAME
1	18403	2326575	37.84%	3573	651.15	FPT-AS-AP FPT Telecom Company, VN
2	7552	221651	3.61%	4010	55.27	VIETEL-AS-AP Viettel Group, VN
3	20473	148385	2.41%	4193	35.39	AS-VULTR - The Constant Company, LLC, US
4	32098	127345	2.07%	1865	68.28	TRANSTELCO-INC - Transtelco Inc, US
5	16509	111940	1.82%	5549	20.17	AMAZON-02 - Amazon.com, Inc., US
6	199340	93616	1.52%	3909	23.95	HONG-GUANWAN, HK
7	13999	92210	1.50%	416	221.66	Mega Cable, S.A. de C.V., MX
8	202256	89756	1.46%	324	277.02	LAWLIETNET, CN
9	40138	75471	1.23%	39	1935.15	MDNET - Mach Dilemma, LLC, US
10	24158	72530	1.18%	504	143.91	TAIWANMOBILE-AS Taiwan Mobile Co., Ltd., TW
11	270746	61646	1.00%	3	20548.67	HBC TELECOM MULTIMIDIA LTDA, BR
12	211894	53843	0.88%	8	6730.38	UNGLEICH-PLACE18, CH
13	28598	49442	0.80%	15	3296.13	DB3 SERVICOS DE TELECOMUNICACOES S.A, BR
14	13335	37243	0.61%	2926	12.73	CLOUDFLARENET - Cloudflare, Inc., US
15	28669	31850	0.52%	4	7962.50	VERO S.A, BR
16	396509	31270	0.51%	17	1839.41	LETSCLOUD - LETSCLOUD, US
17	137409	29829	0.49%	1126	26.49	GSLNETWORKS-AS-AP GSL Networks Pty LTD, AU
18	9829	27107	0.44%	1021	26.55	BSNL-NIB National Internet Backbone, IN
19	9808	26959	0.44%	6916	3.90	CHINAMOBILE-CN China Mobile Communications Group Co., Ltd., CN
20	64289	24571	0.40%	3	8190.33	MACARNE - Macarne.com, US
21	17072	23978	0.39%	1437	16.69	TOTAL PLAY TELECOMUNICACIONES SA DE CV, MX
22	39891	23626	0.38%	2030	11.64	ALJAWWALSTC-AS, SA
23	6535	23312	0.38%	8	2914.00	Telmex Servicios Empresariales S.A., CL
24	26930	22671	0.37%	2	11335.50	PARALLAX - PureVoltage Hosting Inc., US
25	10103	22033	0.36%	12	1836.08	HKBN-AS-AP HK Broadband Network Ltd., HK
26	11172	20677	0.34%	2471	8.37	Alestra, S. de R.L. de C.V., MX
27	214450	20622	0.34%	2	10311.00	OGL-AS, DE
28	45271	19926	0.32%	1256	15.86	VIL-AS-AP Vodafone Idea Ltd, IN
29	204210	19463	0.32%	4	4865.75	ZEUSPACKAGINGLTD, IE
30	61609	19241	0.31%	2	9620.50	NextHop Solutions, BR
31	215527	18569	0.30%	10	1856.90	XERONET -_._-, GB
32	9287	17857	0.29%	8	2232.12	TIDCC-AS-AP True Internet Data Center Company Limited, TH
33	139341	17775	0.29%	192	92.58	ACE-AS-AP ACE, SG
34	213092	17161	0.28%	12	1430.08	MARBLEIS, GB
35	141898	16918	0.28%	2	8459.00	MILENETWORK-AS-ID PT Milenial Inti Telekomunikasi, ID
36	28548	16728	0.27%	208	80.42	Cablevision, S.A. de C.V., MX
37	272053	16665	0.27%	5	3333.00	ANTUNES FLORES SERGIO OMAR NUEVA NET, AR
38	8376	15485	0.25%	407	38.05
39	4808	15197	0.25%	1098	13.84	CHINA169-BJ China Unicom Beijing Province Network, CN
40	36183	15115	0.25%	1645	9.19	AKAMAI-AS - Akamai Technologies, Inc., US
41	31898	14777	0.24%	847	17.45	ORACLE-BMC-31898 - Oracle Corporation, US
42	264525	13654	0.22%	5	2730.80	Coelho Tecnologia, BR
43	38266	13579	0.22%	1359	9.99	VIL-AS-AP Vodafone Idea Ltd, IN
44	21664	13126	0.21%	36	364.61	AMZN-BYOASN - Amazon.com, Inc., US
45	212128	12866	0.21%	21	612.67	Geofeed horizon-telecom.rugeofeed.csv, RU
46	11664	12783	0.21%	1269	10.07	Techtel LMDS Comunicaciones Interactivas S.A., AR
47	28458	12123	0.20%	2	6061.50	IENTC S DE RL DE CV, MX
48	138535	11743	0.19%	3	3914.33	FURDEVS-AS-AP Wu Qi, CN
49	210312	11516	0.19%	2068	5.57	BGP-CLOCK BGP Clock, GR
50	61573	11480	0.19%	13	883.08	IP TELECOM, BR
Total		4243905	69.05%

50 Most active ASes for the past 14 days

RANK	ASN	UPDs/Prefix	%	Prefixes	UPDs	AS NAME
1	270746	20548.7	1.00%	3	61646	HBC TELECOM MULTIMIDIA LTDA, BR
2	151650	11416.0	0.19%	1	11416	SWITCHFIBER-AS-AP Switch Fiber, PH
3	26930	11335.5	0.37%	2	22671	PARALLAX - PureVoltage Hosting Inc., US
4	214450	10311.0	0.34%	2	20622	OGL-AS, DE
5	61609	9620.5	0.31%	2	19241	NextHop Solutions, BR
6	141145	9332.0	0.15%	1	9332	GIGANET-AS-ID PT Giga Digital Nusantara, ID
7	202181	9087.0	0.15%	1	9087	TAMCOM-AS, RU
8	141898	8459.0	0.28%	2	16918	MILENETWORK-AS-ID PT Milenial Inti Telekomunikasi, ID
9	64289	8190.3	0.40%	3	24571	MACARNE - Macarne.com, US
10	28669	7962.5	0.52%	4	31850	VERO S.A, BR
11	269453	7313.0	0.12%	1	7313	LUCIANO YAMASHIRO PINTO, BR
12	211894	6730.4	0.88%	8	53843	UNGLEICH-PLACE18, CH
13	28458	6061.5	0.20%	2	12123	IENTC S DE RL DE CV, MX
14	199678	5918.0	0.10%	1	5918	AS-6RW-, RU
15	204210	4865.8	0.32%	4	19463	ZEUSPACKAGINGLTD, IE
16	211645	4656.0	0.08%	1	4656	SPG, DE
17	212691	4552.0	0.15%	2	9104	ARONSTRECKER-AS, DE
18	210564	4527.0	0.07%	1	4527	SWANTZTER-AS, SE
19	209565	4279.0	0.07%	1	4279	JIANYUELAB-STAFF, GB
20	141621	3933.0	0.06%	1	3933	GMS-AS-ID PT Galuh Multidata Solution, ID
21	138535	3914.3	0.19%	3	11743	FURDEVS-AS-AP Wu Qi, CN
22	198090	3867.0	0.06%	1	3867	ASLIBRA, IT
23	44297	3630.0	0.06%	1	3630	ICODIA ICODIA NETWORK INTEGRITY, FR
24	272053	3333.0	0.27%	5	16665	ANTUNES FLORES SERGIO OMAR NUEVA NET, AR
25	28598	3296.1	0.80%	15	49442	DB3 SERVICOS DE TELECOMUNICACOES S.A, BR
26	400302	3072.0	0.15%	3	9216	AS-PIKNIK - PiKNiK & Company Inc., US
27	205514	3042.0	0.05%	1	3042	REICHER-NET, HU
28	6535	2914.0	0.38%	8	23312	Telmex Servicios Empresariales S.A., CL
29	26879	2782.0	0.05%	1	2782	AURELIA-TELECOM-LLC - Aurelia Telecom Systems LLC, US
30	199235	2756.0	0.04%	1	2756	MIKROHALO-HU-AS, HU
31	264525	2730.8	0.22%	5	13654	Coelho Tecnologia, BR
32	140004	2581.0	0.04%	1	2581	IDNIC-DISKOMINFOTIKKOTABLITAR-AS-ID DINAS KOMUNIKASI INFORMATIKA DAN STATISTIK KOTA BLITAR, ID
33	25276	2562.0	0.04%	1	2562	ALIGIA, DE
34	13247	2561.0	0.12%	3	7683	ERDENREICH Downstreams, DE
35	152499	2436.0	0.04%	1	2436	SUNILBB-AS-IN INFINITYLINK COMMUNICATIONS PRIVATE LIMITED, IN
36	274348	2280.0	0.07%	2	4560	DATASEC PROJETOS E SERVICOS DE TECNOLOGIA E SEGUR, BR
37	202017	2234.0	0.04%	1	2234	ASMVIG-AS, IT
38	9287	2232.1	0.29%	8	17857	TIDCC-AS-AP True Internet Data Center Company Limited, TH
39	40138	1935.2	1.23%	39	75471	MDNET - Mach Dilemma, LLC, US
40	215527	1856.9	0.30%	10	18569	XERONET -_._-, GB
41	396509	1839.4	0.51%	17	31270	LETSCLOUD - LETSCLOUD, US
42	10103	1836.1	0.36%	12	22033	HKBN-AS-AP HK Broadband Network Ltd., HK
43	47347	1801.0	0.03%	1	1801	VC-AS, DE
44	150482	1776.0	0.03%	1	1776	IDNIC-GAPURADIGITAL-AS-ID PT Gapura Era Digital, ID
45	210729	1775.0	0.03%	1	1775	MARKUS-WIPP, DE
46	210887	1769.0	0.03%	1	1769	SACK, DE
47	206497	1766.0	0.03%	1	1766	SYSCON, DE
48	149707	1762.0	0.03%	1	1762	IDNIC-AKSESDATA-AS-ID PT Akses Data Internusa, ID
49	212704	1762.0	0.03%	1	1762	AS-DXLD, AT
50	201705	1760.6	0.14%
Total		232960.7	11.42%

50 Most active Prefixes for the past 14 days

RANK	PREFIX	UPDs	%	Origin AS -- AS NAME
1	2804:248:100::/40	49354	0.78%	28598 -- DB3 SERVICOS DE TELECOMUNICACOES S.A, BR
2	2804:70c0::/48	33755	0.53%	270746 -- HBC TELECOM MULTIMIDIA LTDA, BR
3	2804:4bec::/32	31838	0.50%	28669 -- VERO S.A, BR
4	2a14:3f87:9800::/38	24563	0.39%	64289 -- MACARNE - Macarne.com, US
5	2602:fa7c:100::/40	22670	0.36%	26930 -- PARALLAX - PureVoltage Hosting Inc., US
6	2804:70c0:32::/48	21324	0.34%	270746 -- HBC TELECOM MULTIMIDIA LTDA, BR
7	2a0c:b641:302::/47	19451	0.31%	204210 -- ZEUSPACKAGINGLTD, IE
8	2804:87bc:dc04::/48	19228	0.30%	61609 -- NextHop Solutions, BR
9	240d:c010:165::/48	15472	0.24%	139341 -- ACE-AS-AP ACE, SG
10	2804:20fc:2000::/36	13628	0.22%	264525 -- Coelho Tecnologia, BR
11	2800:540:2010::/44	12151	0.19%	27995 -- CLARO CHILE S.A., CL 6535 -- Telmex Servicios Empresariales S.A., CL
12	2800:540:2000::/44	12132	0.19%	27995 -- CLARO CHILE S.A., CL 6535 -- Telmex Servicios Empresariales S.A., CL
13	2806:202::/32	12112	0.19%	28458 -- IENTC S DE RL DE CV, MX
14	2406:840:e620::/48	11584	0.18%	138535 -- FURDEVS-AS-AP Wu Qi, CN
15	2401:2260::/32	11416	0.18%	151650 -- SWITCHFIBER-AS-AP Switch Fiber, PH
16	2a0e:b107:19cb::/48	10362	0.16%	214450 -- OGL-AS, DE
17	2001:678:658::/48	10260	0.16%	214450 -- OGL-AS, DE
18	2407:5440::/48	9332	0.15%	141145 -- GIGANET-AS-ID PT Giga Digital Nusantara, ID
19	2602:fa01:34::/48	9206	0.15%	400302 -- AS-PIKNIK - PiKNiK & Company Inc., US
20	2001:678:114::/48	9095	0.14%	212691 -- ARONSTRECKER-AS, DE
21	2a0b:a8c0:2::/48	9087	0.14%	202181 -- TAMCOM-AS, RU
22	2a0a:5480:5::/48	9008	0.14%	211894 -- UNGLEICH-PLACE18, CH
23	2a0a:5480:2::/48	8978	0.14%	211894 -- UNGLEICH-PLACE18, CH
24	2a0a:5480:3::/48	8958	0.14%	211894 -- UNGLEICH-PLACE18, CH
25	2a0a:5480::/48	8957	0.14%	211894 -- UNGLEICH-PLACE18, CH
26	2a0a:5480:1::/48	8947	0.14%	211894 -- UNGLEICH-PLACE18, CH
27	2a0a:5480:4::/48	8945	0.14%	211894 -- UNGLEICH-PLACE18, CH
28	2a14:7dc0:511::/48	8779	0.14%	201705 -- XLI-NET, CN
29	2803:5d10::/32	8740	0.14%	272053 -- ANTUNES FLORES SERGIO OMAR NUEVA NET, AR
30	2400:4be0::/48	8459	0.13%	141898 -- MILENETWORK-AS-ID PT Milenial Inti Telekomunikasi, ID
31	2400:4be0:14::/48	8459	0.13%	141898 -- MILENETWORK-AS-ID PT Milenial Inti Telekomunikasi, ID
32	2600:6c7f:9370::/44	7488	0.12%	19115 -- CHARTER-19115-DC - Charter Communications LLC, US
33	2804:64d8::/32	7313	0.12%	269453 -- LUCIANO YAMASHIRO PINTO, BR
34	2001:1260:103::/48	6722	0.11%	13591 -- Mexico Red de Telecomunicaciones, S. de R.L. de C.V., MX
35	2804:70c0::/32	6567	0.10%	270746 -- HBC TELECOM MULTIMIDIA LTDA, BR
36	2605:9cc0:c0e::/48	6561	0.10%	21664 -- AMZN-BYOASN - Amazon.com, Inc., US 8987 -- AWS-GOVCLOUD AWS-GOVCLOUD, IE
37	2a0f:9400:7370::/48	6008	0.10%	213092 -- MARBLEIS, GB
38	2a0f:9400:737d::/48	5928	0.09%	213092 -- MARBLEIS, GB
39	2a0c:b641:bd0::/48	5924	0.09%	215527 -- XERONET -_._-, GB
40	2001:67c:12d4::/48	5918	0.09%	199678 -- AS-6RW-, RU
41	2a0c:b641:bd9::/48	5916	0.09%	215527 -- XERONET -_._-, GB
42	2605:9cc0:c1a::/48	5816	0.09%	16509 -- AMAZON-02 - Amazon.com, Inc., US 21664 -- AMZN-BYOASN - Amazon.com, Inc., US
43	2402:e580:73f3::/48	5707	0.09%	40138 -- MDNET - Mach Dilemma, LLC, US
44	2a12:3fc2:dfd2::/48	5525	0.09%	208223 -- FOXO-AS fOxO Internet Service Provider, TW
45	2605:9cc0:c00::/48	5466	0.09%	16509 -- AMAZON-02 - Amazon.com, Inc., US 21664 -- AMZN-BYOASN - Amazon.com, Inc., US
46	2a0a:280:3650::/44	5464	0.09%	44908 -- MANG_AS, IT
47	2605:9cc0:c06::/48	5419	0.09%	16509 -- AMAZON-02 - Amazon.com, Inc., US 21664 -- AMZN-BYOASN - Amazon.com, Inc., US
48	2605:9cc0:c0b::/48	5336	0.08%	16509 -- AMAZON-02 - Amazon.com, Inc., US 21664 -- AMZN-BYOASN - Amazon.com, Inc., US
49	2a0f:9400:7379::/48	5138	0.08%	213092 -- MARBLEIS, GB
50	2a0a:6040:d615::/48	5125	0.08%	200936 -- GUO-AS Chengjie Guos Experimental Network, CN
Total		569591	8.97%

14 Day BGP Update Statistics Profile: 14-March-2026 00:00 - 28-March-2026 23:59 (UTC+1000)

Number of BGP Update Messages:	25944953
Number of Prefix Changes:	28866084
Number of Prefix Updates:	25944953
Number of Prefix Withdrawals:	2921131
Average Prefixes per BGP Update:	1.11
Average BGP Update Messages per second:	21.45
Average Prefix Updates per second:	23.86
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:	6148264	(0.24 of recv'd updates)
Number of RIB Prefix Withdrawals:	168570	(0.06 of recv'd withdrawals)
Peak RIB Update Rate per second:	25216	(20:32:51 Mon, 16-Mar-2026)
Peak RIB Withdrawal Rate per second:	2615	(21:03:21 Tue, 24-Mar-2026)
Seen Prefix Count:	260832
Updated Prefix Count:	260830
Stable Prefix Count:	2
Seen Origin AS Count:	36441
Updated Origin AS Count:	36438
Stable Origin AS Count:	3
Seen Unique Path Count:	182438
Updated Path Count:	176774
Stable Path Count:	5664

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