The BGP IPv6 Instability Report

This report is updated daily. The current report
was generated on 27 April 2026 01:17 (UTC+1000)

50 Most active ASes for the past 14 days

RANK	ASN	UPDs	%	Prefixes	UPDs/Prefix	AS NAME
1	32098	755313	15.83%	1882	401.34	TRANSTELCO-INC - Transtelco Inc, US
2	18403	655384	13.73%	3572	183.48	FPT-AS-AP FPT Telecom Company, VN
3	13999	471111	9.87%	390	1207.98	Mega Cable, S.A. de C.V., MX
4	20473	223279	4.68%	4374	51.05	AS-VULTR - The Constant Company, LLC, US
5	7552	100165	2.10%	4014	24.95	VIETEL-AS-AP Viettel Group, VN
6	199340	82310	1.72%	921	89.37	HONG-GUANWAN, HK
7	16509	79373	1.66%	5589	14.20	AMAZON-02 - Amazon.com, Inc., US
8	45609	75294	1.58%	3528	21.34	BHARTI-MOBILITY-AS-AP Bharti Airtel Ltd. AS for GPRS Service, IN
9	7296	74909	1.57%	3	24969.67	AS-DYNASCALE-LAX - Dynascale Technologies, Inc., US
10	270746	70681	1.48%	3	23560.33	HBC TELECOM MULTIMIDIA LTDA, BR
11	40138	69262	1.45%	39	1775.95	MDNET - Mach Dilemma, LLC, US
12	202256	65158	1.37%	322	202.35	LAWLIETNET, CN
13	28669	58033	1.22%	4	14508.25	VERO S.A, BR
14	211894	53906	1.13%	8	6738.25	UNGLEICH-PLACE18, CH
15	396509	44229	0.93%	17	2601.71	LETSCLOUD - LETSCLOUD, US
16	11172	40008	0.84%	2516	15.90	Alestra, S. de R.L. de C.V., MX
17	9287	37649	0.79%	8	4706.12	TIDCC-AS-AP True Internet Data Center Company Limited, TH
18	38266	37505	0.79%	1311	28.61	VIL-AS-AP Vodafone Idea Ltd, IN
19	137409	31085	0.65%	1124	27.66	GSLNETWORKS-AS-AP GSL Networks Pty LTD, AU
20	9829	29321	0.61%	992	29.56	BSNL-NIB National Internet Backbone, IN
21	26879	28411	0.60%	1	28411.00	AURELIA-TELECOM-LLC - Aurelia Telecom Systems LLC, US
22	39891	27008	0.57%	2150	12.56	ALJAWWALSTC-AS, SA
23	58955	26648	0.56%	7	3806.86	BANGMODENTERPRISE-TH Bangmod Enterprise Co., Ltd., TH
24	45271	25114	0.53%	1137	22.09	VIL-AS-AP Vodafone Idea Ltd, IN
25	23736	24370	0.51%	51	477.84	TTSSB-MY TM TECHNOLOGY SERVICES SDN. BHD., MY
26	12041	24050	0.50%	225	106.89	AS-AFILIAS1 - Afilias, Inc., US
27	24203	23819	0.50%	237	100.50	NAPXLNET-AS-ID PT XL Axiata, ID
28	36183	23558	0.49%	1652	14.26	AKAMAI-AS - Akamai Technologies, Inc., US
29	28481	22925	0.48%	7	3275.00	SERVICIO Y EQUIPO EN TELEFONIA INTERNET Y TV S.A. DE C.V., MX
30	28598	21987	0.46%	14	1570.50	DB3 SERVICOS DE TELECOMUNICACOES S.A, BR
31	20708	21758	0.46%	1	21758.00	SKODA-AUTO Tr. Vaclava Klementa 869, CZ
32	64289	21080	0.44%	3	7026.67	MACARNE - Macarne.com, US
33	10103	19701	0.41%	12	1641.75	HKBN-AS-AP HK Broadband Network Ltd., HK
34	26930	19479	0.41%	2	9739.50	PARALLAX - PureVoltage Hosting Inc., US
35	204210	18154	0.38%	4	4538.50	ZEUSPACKAGINGLTD, IE
36	139341	17547	0.37%	198	88.62	ACE-AS-AP ACE, SG
37	29484	16070	0.34%	6	2678.33	RUB-AS, DE
38	23679	15786	0.33%	21	751.71	NUSANET-AS-ID PT. Media Antar Nusa, ID
39	17072	15172	0.32%	1449	10.47	TOTAL PLAY TELECOMUNICACIONES SA DE CV, MX
40	61609	15071	0.32%	2	7535.50	NextHop Solutions, BR
41	27381	14771	0.31%	6	2461.83	CASALE-MEDIA - Index Exchange Inc., CA
42	6535	14710	0.31%	8	1838.75	Telmex Servicios Empresariales S.A., CL
43	214955	13695	0.29%	19	720.79	LAUNCHPAD-NETWORK LaunchPad Network, CN
44	44297	13574	0.28%	1	13574.00	ICODIA ICODIA NETWORK INTEGRITY, FR
45	151650	13118	0.27%	1	13118.00	SWITCHFIBER-AS-AP Switch Fiber, PH
46	13335	12987	0.27%	2895	4.49	CLOUDFLARENET - Cloudflare, Inc., US
47	22317	12951	0.27%	13	996.23	F5-NETWORKS - F5, Inc., US
48	214450	12838	0.27%	2	6419.00	OGL-AS, DE
49	28458	12643	0.26%	2	6321.50	IENTC S DE RL DE CV, MX
50	12654	12433	0.26%	58	214.36	RIPE-NCC-RIS-AS Reseaux IP Europeens Network Coordination Centre RIPE NCC, NL
Total		3615403	75.77%

50 Most active ASes for the past 14 days

RANK	ASN	UPDs/Prefix	%	Prefixes	UPDs	AS NAME
1	26879	28411.0	0.60%	1	28411	AURELIA-TELECOM-LLC - Aurelia Telecom Systems LLC, US
2	7296	24969.7	1.57%	3	74909	AS-DYNASCALE-LAX - Dynascale Technologies, Inc., US
3	270746	23560.3	1.48%	3	70681	HBC TELECOM MULTIMIDIA LTDA, BR
4	20708	21758.0	0.46%	1	21758	SKODA-AUTO Tr. Vaclava Klementa 869, CZ
5	28669	14508.2	1.22%	4	58033	VERO S.A, BR
6	44297	13574.0	0.28%	1	13574	ICODIA ICODIA NETWORK INTEGRITY, FR
7	151650	13118.0	0.27%	1	13118	SWITCHFIBER-AS-AP Switch Fiber, PH
8	141145	11715.0	0.25%	1	11715	GIGANET-AS-ID PT Giga Digital Nusantara, ID
9	205961	10413.0	0.22%	1	10413	EREEY, TR
10	26930	9739.5	0.41%	2	19479	PARALLAX - PureVoltage Hosting Inc., US
11	202181	8775.0	0.18%	1	8775	TAMCOM-AS, RU
12	402339	7997.0	0.17%	1	7997
13	274348	7686.0	0.16%	1	7686	DATASEC PROJETOS E SERVICOS DE TECNOLOGIA E SEGUR, BR
14	206098	7577.0	0.16%	1	7577	CC1-ROSE-NET, VN
15	61609	7535.5	0.32%	2	15071	NextHop Solutions, BR
16	64289	7026.7	0.44%	3	21080	MACARNE - Macarne.com, US
17	211894	6738.2	1.13%	8	53906	UNGLEICH-PLACE18, CH
18	214450	6419.0	0.27%	2	12838	OGL-AS, DE
19	28458	6321.5	0.26%	2	12643	IENTC S DE RL DE CV, MX
20	199678	4914.0	0.10%	1	4914	AS-6RW-, RU
21	9287	4706.1	0.79%	8	37649	TIDCC-AS-AP True Internet Data Center Company Limited, TH
22	204210	4538.5	0.38%	4	18154	ZEUSPACKAGINGLTD, IE
23	211645	4441.0	0.09%	1	4441	SPG, DE
24	269453	3999.0	0.08%	1	3999	LUCIANO YAMASHIRO PINTO, BR
25	198090	3866.0	0.08%	1	3866	ASLIBRA, IT
26	58955	3806.9	0.56%	7	26648	BANGMODENTERPRISE-TH Bangmod Enterprise Co., Ltd., TH
27	138535	3727.0	0.23%	3	11181	FURDEVS-AS-AP Wu Qi, CN
28	141621	3573.0	0.07%	1	3573	GMS-AS-ID PT Galuh Multidata Solution, ID
29	205514	3500.0	0.07%	1	3500	REICHER-NET, HU
30	28481	3275.0	0.48%	7	22925	SERVICIO Y EQUIPO EN TELEFONIA INTERNET Y TV S.A. DE C.V., MX
31	10146	3244.0	0.07%	1	3244	FORD-MOTOR-CO-SG-AP Ford Motor Company, SG
32	198040	3090.0	0.06%	1	3090	CHOJNET, PL
33	268487	3040.0	0.06%	5	3040	PRISMA TELECOMUNICACOES LTDA. EPP, BR
34	396509	2948.6	0.93%	17	44229	LETSCLOUD - LETSCLOUD, US
35	29484	2678.3	0.34%	6	16070	RUB-AS, DE
36	210564	2549.0	0.05%	1	2549	SWANTZTER-AS, SE
37	27381	2461.8	0.31%	6	14771	CASALE-MEDIA - Index Exchange Inc., CA
38	207642	2442.0	0.05%	1	2442	TREEFAZ, FR
39	27672	2415.5	0.20%	4	9662	SERVICIO Y EQUIPO EN TELEFONIA INTERNET Y TV S.A. DE C.V., MX
40	17303	2064.0	0.09%	2	4128	NETWORK-ADVISORS - Disaster Networks, LLC, US
41	151119	1966.0	0.04%	1	1966	CLICKER-AS-IN Clickr Services Private Limited, IN
42	402104	1953.0	0.12%	3	5859	ZZNYJIDI - ZZNYJIDI Inc., CA
43	202647	1863.0	0.04%	1	1863	SIMPLYSOFT-SRV, CH
44	6871	1844.3	0.12%	3	5533	PLUSNET UK Internet Service Provider, GB
45	6535	1838.8	0.31%	8	14710	Telmex Servicios Empresariales S.A., CL
46	29169	1834.0	0.08%	2	3668	GANDI-AS Domain name registrar - www.gandi.net, FR
47	40138	1775.9	1.45%	39	69262	MDNET - Mach Dilemma, LLC, US
48	42009	1700.0	0.04%	1	1700	AVR-AS, GB
49	10103	1641.8	0.41%	12	19701	HKBN-AS-AP HK Broadband Network Ltd., HK
50	63260	1613.0	0.03%
Total		327152.1	17.58%

50 Most active Prefixes for the past 14 days

RANK	PREFIX	UPDs	%	Origin AS -- AS NAME
1	2606:6e00:8000::/35	74907	1.45%	7296 -- AS-DYNASCALE-LAX - Dynascale Technologies, Inc., US
2	2804:4bec::/32	58020	1.12%	28669 -- VERO S.A, BR
3	2602:f634:20::/44	28411	0.55%	26879 -- AURELIA-TELECOM-LLC - Aurelia Telecom Systems LLC, US
4	2804:70c0:32::/48	26505	0.51%	270746 -- HBC TELECOM MULTIMIDIA LTDA, BR
5	2804:70c0::/48	26248	0.51%	270746 -- HBC TELECOM MULTIMIDIA LTDA, BR
6	2804:248:100::/40	21966	0.42%	28598 -- DB3 SERVICOS DE TELECOMUNICACOES S.A, BR
7	2001:67c:1914::/48	21758	0.42%	20708 -- SKODA-AUTO Tr. Vaclava Klementa 869, CZ
8	2a14:3f87:9800::/38	21078	0.41%	64289 -- MACARNE - Macarne.com, US
9	2407:7900:ffff::/48	20180	0.39%	58955 -- BANGMODENTERPRISE-TH Bangmod Enterprise Co., Ltd., TH
10	2602:fa7c:100::/40	19478	0.38%	26930 -- PARALLAX - PureVoltage Hosting Inc., US
11	2a0c:b641:302::/47	18151	0.35%	204210 -- ZEUSPACKAGINGLTD, IE
12	2804:70c0::/32	17928	0.35%	270746 -- HBC TELECOM MULTIMIDIA LTDA, BR
13	240d:c010:165::/48	16162	0.31%	139341 -- ACE-AS-AP ACE, SG
14	2a05:79c0:1::/48	14766	0.29%	27381 -- CASALE-MEDIA - Index Exchange Inc., CA
15	2804:87bc:dc04::/48	14095	0.27%	61609 -- NextHop Solutions, BR
16	2a0b:f8c0::/29	13574	0.26%	44297 -- ICODIA ICODIA NETWORK INTEGRITY, FR
17	2401:2260::/32	13118	0.25%	151650 -- SWITCHFIBER-AS-AP Switch Fiber, PH
18	2806:202::/32	12639	0.24%	28458 -- IENTC S DE RL DE CV, MX
19	2407:5440::/48	11715	0.23%	141145 -- GIGANET-AS-ID PT Giga Digital Nusantara, ID
20	2406:840:e620::/48	11159	0.22%	138535 -- FURDEVS-AS-AP Wu Qi, CN
21	2400:cb00:1185::/48	10922	0.21%	14789 -- CLOUDFLARENET - Cloudflare, Inc., US
22	2a0b:24c1::/33	10413	0.20%	205961 -- EREEY, TR
23	2a05:3e04::/32	9543	0.18%	29484 -- RUB-AS, DE
24	2a0a:5480:5::/48	9045	0.17%	211894 -- UNGLEICH-PLACE18, CH
25	2a0a:5480:2::/48	9005	0.17%	211894 -- UNGLEICH-PLACE18, CH
26	2a0a:5480:3::/48	8983	0.17%	211894 -- UNGLEICH-PLACE18, CH
27	2a0a:5480::/48	8982	0.17%	211894 -- UNGLEICH-PLACE18, CH
28	2a0a:5480:1::/48	8949	0.17%	211894 -- UNGLEICH-PLACE18, CH
29	2a0a:5480:4::/48	8938	0.17%	211894 -- UNGLEICH-PLACE18, CH
30	2a0b:a8c0:2::/48	8775	0.17%	202181 -- TAMCOM-AS, RU
31	2400:7400:25::/48	8575	0.17%	23736 -- TTSSB-MY TM TECHNOLOGY SERVICES SDN. BHD., MY
32	2402:ee80:b::/48	8560	0.17%	132647 -- IDNIC-PANDI-AS-ID Pengelola Nama Domain Internet Indonesia, ID
33	2600:6c7f:9370::/44	8345	0.16%	19115 -- CHARTER-19115-DC - Charter Communications LLC, US
34	2800:540:2010::/44	8336	0.16%	27995 -- CLARO CHILE S.A., CL 6535 -- Telmex Servicios Empresariales S.A., CL
35	2602:f412::/40	7997	0.15%	402339 --
36	2804:984c::/32	7686	0.15%	274348 -- DATASEC PROJETOS E SERVICOS DE TECNOLOGIA E SEGUR, BR
37	2001:fb0:1000::/48	7592	0.15%	9287 -- TIDCC-AS-AP True Internet Data Center Company Limited, TH
38	2a0f:85c1:e14::/48	7577	0.15%	206098 -- CC1-ROSE-NET, VN
39	2404:3280:a::/48	7545	0.15%	9287 -- TIDCC-AS-AP True Internet Data Center Company Limited, TH
40	2001:fb0:1001::/48	7542	0.15%	9287 -- TIDCC-AS-AP True Internet Data Center Company Limited, TH
41	2001:fb0:1002::/48	7486	0.14%	9287 -- TIDCC-AS-AP True Internet Data Center Company Limited, TH
42	2404:3280::/32	7478	0.14%	9287 -- TIDCC-AS-AP True Internet Data Center Company Limited, TH
43	2800:540:2000::/44	6747	0.13%	27995 -- CLARO CHILE S.A., CL 6535 -- Telmex Servicios Empresariales S.A., CL
44	2602:fb0d:aa::/48	6704	0.13%	61228 -- 64b22a8bb6ab181373c78aa1d1d42cd07844d95e, US
45	2400:7400:11::/48	6685	0.13%	23736 -- TTSSB-MY TM TECHNOLOGY SERVICES SDN. BHD., MY
46	2a0e:b107:19cb::/48	6458	0.12%	214450 -- OGL-AS, DE
47	2001:678:658::/48	6380	0.12%	214450 -- OGL-AS, DE
48	2407:7900:2000::/40	5983	0.12%	58955 -- BANGMODENTERPRISE-TH Bangmod Enterprise Co., Ltd., TH
49	2402:e580:73f3::/48	5763	0.11%	40138 -- MDNET - Mach Dilemma, LLC, US
50	2a02:16c8::/35	5531	0.11%	6871 -- PLUSNET UK Internet Service Provider, GB
Total		700383	13.52%

14 Day BGP Update Statistics Profile: 12-April-2026 00:00 - 26-April-2026 23:59 (UTC+1000)

Number of BGP Update Messages:	20859175
Number of Prefix Changes:	24493877
Number of Prefix Updates:	20859175
Number of Prefix Withdrawals:	3634702
Average Prefixes per BGP Update:	1.17
Average BGP Update Messages per second:	17.24
Average Prefix Updates per second:	20.25
Peak BGP Update Message Rate per second:	66012	(02:17:06 Fri, 24-Apr-2026)
Peak Prefix Update Rate per second:	66012	(02:17:06 Fri, 24-Apr-2026)
Peak Prefix Withdraw Rate per second:	1607	(20:28:39 Mon, 20-Apr-2026, )
Number of RIB Prefix Updates:	4772838	(0.23 of recv'd updates)
Number of RIB Prefix Withdrawals:	404249	(0.11 of recv'd withdrawals)
Peak RIB Update Rate per second:	49916	(02:17:06 Fri, 24-Apr-2026)
Peak RIB Withdrawal Rate per second:	1299	(07:17:48 Tue, 14-Apr-2026)
Seen Prefix Count:	257217
Updated Prefix Count:	252733
Stable Prefix Count:	4484
Seen Origin AS Count:	36510
Updated Origin AS Count:	36262
Stable Origin AS Count:	248
Seen Unique Path Count:	178167
Updated Path Count:	138874
Stable Path Count:	39293

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