The BGP IPv6 Instability Report

This report is updated daily. The current report
was generated on 31 March 2026 01:20 (UTC+1000)

50 Most active ASes for the past 14 days

RANK	ASN	UPDs	%	Prefixes	UPDs/Prefix	AS NAME
1	18403	3072237	47.87%	3573	859.85	FPT-AS-AP FPT Telecom Company, VN
2	7552	233014	3.63%	4010	58.11	VIETEL-AS-AP Viettel Group, VN
3	32098	126162	1.97%	1868	67.54	TRANSTELCO-INC - Transtelco Inc, US
4	16509	103840	1.62%	5556	18.69	AMAZON-02 - Amazon.com, Inc., US
5	199340	96071	1.50%	3906	24.60	HONG-GUANWAN, HK
6	13999	90685	1.41%	416	217.99	Mega Cable, S.A. de C.V., MX
7	20473	88177	1.37%	4194	21.02	AS-VULTR - The Constant Company, LLC, US
8	202256	82562	1.29%	324	254.82	LAWLIETNET, CN
9	24158	81328	1.27%	504	161.37	TAIWANMOBILE-AS Taiwan Mobile Co., Ltd., TW
10	40138	75762	1.18%	39	1942.62	MDNET - Mach Dilemma, LLC, US
11	211894	53140	0.83%	8	6642.50	UNGLEICH-PLACE18, CH
12	270746	45919	0.72%	3	15306.33	HBC TELECOM MULTIMIDIA LTDA, BR
13	13335	38373	0.60%	2927	13.11	CLOUDFLARENET - Cloudflare, Inc., US
14	28669	32575	0.51%	4	8143.75	VERO S.A, BR
15	396509	30691	0.48%	17	1805.35	LETSCLOUD - LETSCLOUD, US
16	9829	26781	0.42%	1021	26.23	BSNL-NIB National Internet Backbone, IN
17	137409	26181	0.41%	1126	23.25	GSLNETWORKS-AS-AP GSL Networks Pty LTD, AU
18	28548	26060	0.41%	208	125.29	Cablevision, S.A. de C.V., MX
19	64289	23588	0.37%	3	7862.67	MACARNE - Macarne.com, US
20	215527	22672	0.35%	10	2267.20	XERONET -_._-, GB
21	17072	22177	0.35%	1437	15.43	TOTAL PLAY TELECOMUNICACIONES SA DE CV, MX
22	10103	21300	0.33%	12	1775.00	HKBN-AS-AP HK Broadband Network Ltd., HK
23	214450	21174	0.33%	2	10587.00	OGL-AS, DE
24	26930	20978	0.33%	2	10489.00	PARALLAX - PureVoltage Hosting Inc., US
25	39891	20523	0.32%	2030	10.11	ALJAWWALSTC-AS, SA
26	9808	20273	0.32%	6916	2.93	CHINAMOBILE-CN China Mobile Communications Group Co., Ltd., CN
27	204210	20270	0.32%	4	5067.50	ZEUSPACKAGINGLTD, IE
28	28598	19633	0.31%	15	1308.87	DB3 SERVICOS DE TELECOMUNICACOES S.A, BR
29	61609	18185	0.28%	2	9092.50	NextHop Solutions, BR
30	11172	17141	0.27%	2475	6.93	Alestra, S. de R.L. de C.V., MX
31	139341	17016	0.27%	193	88.17	ACE-AS-AP ACE, SG
32	45271	16563	0.26%	1256	13.19	VIL-AS-AP Vodafone Idea Ltd, IN
33	213092	16326	0.25%	12	1360.50	MARBLEIS, GB
34	272053	14310	0.22%	5	2862.00	ANTUNES FLORES SERGIO OMAR NUEVA NET, AR
35	6535	14195	0.22%	8	1774.38	Telmex Servicios Empresariales S.A., CL
36	204508	13762	0.21%	18	764.56	MLGT, IT
37	36183	13727	0.21%	1645	8.34	AKAMAI-AS - Akamai Technologies, Inc., US
38	141898	13626	0.21%	2	6813.00	MILENETWORK-AS-ID PT Milenial Inti Telekomunikasi, ID
39	21664	13128	0.20%	36	364.67	AMZN-BYOASN - Amazon.com, Inc., US
40	31898	12688	0.20%	847	14.98	ORACLE-BMC-31898 - Oracle Corporation, US
41	61573	12103	0.19%	13	931.00	IP TELECOM, BR
42	138535	11924	0.19%	3	3974.67	FURDEVS-AS-AP Wu Qi, CN
43	28458	11894	0.19%	2	5947.00	IENTC S DE RL DE CV, MX
44	210312	11506	0.18%	2069	5.56	BGP-CLOCK BGP Clock, GR
45	14789	11284	0.18%	125	90.27	CLOUDFLARENET - Cloudflare, Inc., US
46	8376	11166	0.17%	410	27.23
47	45609	10834	0.17%	3622	2.99	BHARTI-MOBILITY-AS-AP Bharti Airtel Ltd. AS for GPRS Service, IN
48	264525	10811	0.17%	5	2162.20	Coelho Tecnologia, BR
49	9287	10596	0.17%	8	1324.50	TIDCC-AS-AP True Internet Data Center Company Limited, TH
50	38266	10514	0.16%	1359	7.74	VIL-AS-AP Vodafone Idea Ltd, IN
Total		4835445	75.39%

50 Most active ASes for the past 14 days

RANK	ASN	UPDs/Prefix	%	Prefixes	UPDs	AS NAME
1	270746	15306.3	0.72%	3	45919	HBC TELECOM MULTIMIDIA LTDA, BR
2	214450	10587.0	0.33%	2	21174	OGL-AS, DE
3	26930	10489.0	0.33%	2	20978	PARALLAX - PureVoltage Hosting Inc., US
4	61609	9092.5	0.28%	2	18185	NextHop Solutions, BR
5	151650	8316.0	0.13%	1	8316	SWITCHFIBER-AS-AP Switch Fiber, PH
6	28669	8143.8	0.51%	4	32575	VERO S.A, BR
7	64289	7862.7	0.37%	3	23588	MACARNE - Macarne.com, US
8	269453	7313.0	0.11%	1	7313	LUCIANO YAMASHIRO PINTO, BR
9	141898	6813.0	0.21%	2	13626	MILENETWORK-AS-ID PT Milenial Inti Telekomunikasi, ID
10	211894	6642.5	0.83%	8	53140	UNGLEICH-PLACE18, CH
11	28458	5947.0	0.19%	2	11894	IENTC S DE RL DE CV, MX
12	204210	5067.5	0.32%	4	20270	ZEUSPACKAGINGLTD, IE
13	202181	5061.0	0.08%	1	5061	TAMCOM-AS, RU
14	210564	4783.0	0.07%	1	4783	SWANTZTER-AS, SE
15	211645	4639.0	0.07%	1	4639	SPG, DE
16	209565	4403.0	0.07%	1	4403	JIANYUELAB-STAFF, GB
17	212691	4046.5	0.13%	2	8093	ARONSTRECKER-AS, DE
18	140004	3994.0	0.06%	1	3994	IDNIC-DISKOMINFOTIKKOTABLITAR-AS-ID DINAS KOMUNIKASI INFORMATIKA DAN STATISTIK KOTA BLITAR, ID
19	138535	3974.7	0.19%	3	11924	FURDEVS-AS-AP Wu Qi, CN
20	198090	3864.0	0.06%	1	3864	ASLIBRA, IT
21	205514	3804.0	0.06%	1	3804	REICHER-NET, HU
22	141621	3708.0	0.06%	1	3708	GMS-AS-ID PT Galuh Multidata Solution, ID
23	13247	3280.3	0.15%	3	9841	ERDENREICH Downstreams, DE
24	25276	3276.0	0.05%	1	3276	ALIGIA, DE
25	44297	2980.0	0.05%	1	2980	ICODIA ICODIA NETWORK INTEGRITY, FR
26	274348	2881.0	0.09%	2	5762	DATASEC PROJETOS E SERVICOS DE TECNOLOGIA E SEGUR, BR
27	272053	2862.0	0.22%	5	14310	ANTUNES FLORES SERGIO OMAR NUEVA NET, AR
28	199678	2695.0	0.04%	1	2695	AS-6RW-, RU
29	206497	2511.0	0.04%	1	2511	SYSCON, DE
30	199235	2368.0	0.04%	1	2368	MIKROHALO-HU-AS, HU
31	63878	2337.0	0.04%	1	2337	VICTORYNET-AS-ID PT Victory Network Indonesia, ID
32	6871	2309.3	0.11%	3	6928	PLUSNET UK Internet Service Provider, GB
33	150482	2298.0	0.04%	1	2298	IDNIC-GAPURADIGITAL-AS-ID PT Gapura Era Digital, ID
34	149707	2287.0	0.04%	1	2287	IDNIC-AKSESDATA-AS-ID PT Akses Data Internusa, ID
35	215527	2267.2	0.35%	10	22672	XERONET -_._-, GB
36	138117	2215.0	0.03%	1	2215	IDNIC-SOBAT-AS-ID PT. Solusindo Basis Teknologi, ID
37	140446	2183.0	0.03%	1	2183	IDNIC-KINGPOLAH-AS-ID PT Kingpolah Network Solutions, ID
38	264525	2162.2	0.17%	5	10811	Coelho Tecnologia, BR
39	202017	2007.0	0.03%	1	2007	ASMVIG-AS, IT
40	40138	1942.6	1.18%	39	75762	MDNET - Mach Dilemma, LLC, US
41	396509	1805.4	0.48%	17	30691	LETSCLOUD - LETSCLOUD, US
42	10103	1775.0	0.33%	12	21300	HKBN-AS-AP HK Broadband Network Ltd., HK
43	6535	1774.4	0.22%	8	14195	Telmex Servicios Empresariales S.A., CL
44	210729	1603.0	0.02%	1	1603	MARKUS-WIPP, DE
45	210887	1578.0	0.02%	1	1578	SACK, DE
46	47347	1577.0	0.02%	1	1577	VC-AS, DE
47	212704	1550.0	0.02%	1	1550	AS-DXLD, AT
48	201705	1542.2	0.12%	5	7711	XLI-NET, CN
49	26879	1537.0	0.02%	1	1537	AURELIA-TELECOM-LLC - Aurelia Telecom Systems LLC, US
50	212259	1533.0	0.02%
Total		204994.1	9.15%

50 Most active Prefixes for the past 14 days

RANK	PREFIX	UPDs	%	Origin AS -- AS NAME
1	2804:4bec::/32	32566	0.49%	28669 -- VERO S.A, BR
2	2804:70c0:32::/48	26109	0.40%	270746 -- HBC TELECOM MULTIMIDIA LTDA, BR
3	2a14:3f87:9800::/38	23585	0.36%	64289 -- MACARNE - Macarne.com, US
4	2602:fa7c:100::/40	20977	0.32%	26930 -- PARALLAX - PureVoltage Hosting Inc., US
5	2a0c:b641:302::/47	20263	0.31%	204210 -- ZEUSPACKAGINGLTD, IE
6	2804:248:100::/40	19578	0.30%	28598 -- DB3 SERVICOS DE TELECOMUNICACOES S.A, BR
7	2804:87bc:dc04::/48	18172	0.28%	61609 -- NextHop Solutions, BR
8	2804:70c0::/48	16742	0.25%	270746 -- HBC TELECOM MULTIMIDIA LTDA, BR
9	240d:c010:165::/48	14981	0.23%	139341 -- ACE-AS-AP ACE, SG
10	2806:202::/32	11881	0.18%	28458 -- IENTC S DE RL DE CV, MX
11	2406:840:e620::/48	11762	0.18%	138535 -- FURDEVS-AS-AP Wu Qi, CN
12	2804:20fc:2000::/36	10793	0.16%	264525 -- Coelho Tecnologia, BR
13	2a0e:b107:19cb::/48	10746	0.16%	214450 -- OGL-AS, DE
14	2001:678:658::/48	10428	0.16%	214450 -- OGL-AS, DE
15	2400:cb00:1185::/48	10025	0.15%	14789 -- CLOUDFLARENET - Cloudflare, Inc., US
16	2a0a:5480:5::/48	8896	0.13%	211894 -- UNGLEICH-PLACE18, CH
17	2a0a:5480:2::/48	8858	0.13%	211894 -- UNGLEICH-PLACE18, CH
18	2a0a:5480::/48	8840	0.13%	211894 -- UNGLEICH-PLACE18, CH
19	2a0a:5480:3::/48	8839	0.13%	211894 -- UNGLEICH-PLACE18, CH
20	2a0a:5480:1::/48	8830	0.13%	211894 -- UNGLEICH-PLACE18, CH
21	2a0a:5480:4::/48	8827	0.13%	211894 -- UNGLEICH-PLACE18, CH
22	2401:2260::/32	8316	0.13%	151650 -- SWITCHFIBER-AS-AP Switch Fiber, PH
23	2001:678:114::/48	8084	0.12%	212691 -- ARONSTRECKER-AS, DE
24	2800:540:2000::/44	7743	0.12%	27995 -- CLARO CHILE S.A., CL 6535 -- Telmex Servicios Empresariales S.A., CL
25	2a14:7dc0:511::/48	7686	0.12%	201705 -- XLI-NET, CN
26	2804:64d8::/32	7313	0.11%	269453 -- LUCIANO YAMASHIRO PINTO, BR
27	2001:1260:103::/48	6989	0.11%	13591 -- Mexico Red de Telecomunicaciones, S. de R.L. de C.V., MX
28	2800:540:2010::/44	6923	0.11%	27995 -- CLARO CHILE S.A., CL 6535 -- Telmex Servicios Empresariales S.A., CL
29	2a02:16c8::/35	6922	0.11%	6871 -- PLUSNET UK Internet Service Provider, GB
30	2400:4be0:14::/48	6813	0.10%	141898 -- MILENETWORK-AS-ID PT Milenial Inti Telekomunikasi, ID
31	2400:4be0::/48	6813	0.10%	141898 -- MILENETWORK-AS-ID PT Milenial Inti Telekomunikasi, ID
32	2a0c:b641:bd2::/48	6630	0.10%	215527 -- XERONET -_._-, GB
33	2803:5d10::/32	6385	0.10%	272053 -- ANTUNES FLORES SERGIO OMAR NUEVA NET, AR
34	2402:e580:73f3::/48	6351	0.10%	40138 -- MDNET - Mach Dilemma, LLC, US
35	2a0c:b641:bd0::/48	6114	0.09%	215527 -- XERONET -_._-, GB
36	2605:9cc0:c0e::/48	6108	0.09%	21664 -- AMZN-BYOASN - Amazon.com, Inc., US 8987 -- AWS-GOVCLOUD AWS-GOVCLOUD, IE
37	2a0c:b641:bd9::/48	6079	0.09%	215527 -- XERONET -_._-, GB
38	2605:9cc0:c1a::/48	5938	0.09%	16509 -- AMAZON-02 - Amazon.com, Inc., US 21664 -- AMZN-BYOASN - Amazon.com, Inc., US
39	2605:9cc0:c06::/48	5927	0.09%	16509 -- AMAZON-02 - Amazon.com, Inc., US 21664 -- AMZN-BYOASN - Amazon.com, Inc., US
40	2a12:3fc2:dfd2::/48	5798	0.09%	208223 -- FOXO-AS fOxO Internet Service Provider, TW
41	2a0f:9400:737d::/48	5797	0.09%	213092 -- MARBLEIS, GB
42	2804:984c::/32	5756	0.09%	274348 -- DATASEC PROJETOS E SERVICOS DE TECNOLOGIA E SEGUR, BR
43	2a0f:9400:7370::/48	5721	0.09%	213092 -- MARBLEIS, GB
44	2605:9cc0:c0b::/48	5216	0.08%	16509 -- AMAZON-02 - Amazon.com, Inc., US 21664 -- AMZN-BYOASN - Amazon.com, Inc., US
45	2a0b:a8c0:2::/48	5061	0.08%	202181 -- TAMCOM-AS, RU
46	2605:9cc0:c00::/48	4936	0.07%	16509 -- AMAZON-02 - Amazon.com, Inc., US 21664 -- AMZN-BYOASN - Amazon.com, Inc., US
47	2600:6c7f:9370::/44	4925	0.07%	19115 -- CHARTER-19115-DC - Charter Communications LLC, US
48	2001:67c:20fc::/48	4783	0.07%	210564 -- SWANTZTER-AS, SE
49	2a0f:9400:7379::/48	4730	0.07%	213092 -- MARBLEIS, GB
50	2402:e580:74b6::/48	4668	0.07%	40138 -- MDNET - Mach Dilemma, LLC, US
Total		492223	7.46%

14 Day BGP Update Statistics Profile: 16-March-2026 00:00 - 30-March-2026 23:59 (UTC+1000)

Number of BGP Update Messages:	27519363
Number of Prefix Changes:	30292111
Number of Prefix Updates:	27519363
Number of Prefix Withdrawals:	2772748
Average Prefixes per BGP Update:	1.10
Average BGP Update Messages per second:	22.75
Average Prefix Updates per second:	25.04
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:	6418514	(0.23 of recv'd updates)
Number of RIB Prefix Withdrawals:	172973	(0.06 of recv'd withdrawals)
Peak RIB Update Rate per second:	23611	(23:06:06 Thu, 19-Mar-2026)
Peak RIB Withdrawal Rate per second:	12211	(06:07:05 Tue, 17-Mar-2026)
Seen Prefix Count:	260982
Updated Prefix Count:	260980
Stable Prefix Count:	2
Seen Origin AS Count:	36438
Updated Origin AS Count:	36435
Stable Origin AS Count:	3
Seen Unique Path Count:	179825
Updated Path Count:	171252
Stable Path Count:	8573

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