AS204150

David Zakoucky

CZUnknown2026-11-11

Announced prefixes 1

2a14:7580:fff0::/48

Snapshot history

Date	Name	Country	Class	Prefixes
2026-11-11	David Zakoucky	CZ	Unknown	1
2026-11-10	David Zakoucky	CZ	Unknown	1
2026-11-09	David Zakoucky	CZ	Unknown	1
2026-11-08	David Zakoucky	CZ	Unknown	1
2026-11-07	David Zakoucky	CZ	Unknown	1
2026-11-06	David Zakoucky	CZ	Unknown	1
2026-11-05	David Zakoucky	CZ	Unknown	1
2026-11-04	David Zakoucky	CZ	Unknown	1
2026-11-03	David Zakoucky	CZ	Unknown	1
2026-11-02	David Zakoucky	CZ	Unknown	1
2026-11-01	David Zakoucky	CZ	Unknown	1
2026-10-31	David Zakoucky	CZ	Unknown	1
2026-10-30	David Zakoucky	CZ	Unknown	1
2026-10-29	David Zakoucky	CZ	Unknown	1
2026-10-28	David Zakoucky	CZ	Unknown	1
2026-10-27	David Zakoucky	CZ	Unknown	1
2026-10-26	David Zakoucky	CZ	Unknown	1
2026-10-25	David Zakoucky	CZ	Unknown	1
2026-10-24	David Zakoucky	CZ	Unknown	1
2026-10-23	David Zakoucky	CZ	Unknown	1
2026-10-22	David Zakoucky	CZ	Unknown	1
2026-10-21	David Zakoucky	CZ	Unknown	2
2026-10-20	David Zakoucky	CZ	Unknown	2
2026-10-19	David Zakoucky	CZ	Unknown	2
2026-10-18	David Zakoucky	CZ	Unknown	2
2026-10-17	David Zakoucky	CZ	Unknown	2
2026-10-16	David Zakoucky	CZ	Unknown	2
2026-10-15	David Zakoucky	CZ	Unknown	2
2026-10-14	David Zakoucky	CZ	Unknown	2
2026-10-13	David Zakoucky	CZ	Unknown	2
2026-10-12	David Zakoucky	CZ	Unknown	1
2026-10-11	David Zakoucky	CZ	Unknown	18
2026-10-10	David Zakoucky	CZ	Unknown	18
2026-10-09	David Zakoucky	CZ	Unknown	18
2026-10-08	David Zakoucky	CZ	Unknown	18
2026-10-07	David Zakoucky	CZ	Unknown	18
2026-10-06	David Zakoucky	CZ	Unknown	18
2026-10-05	David Zakoucky	CZ	Unknown	18
2026-10-04	David Zakoucky	CZ	Unknown	18
2026-10-03	David Zakoucky	CZ	Unknown	18
2026-10-02	David Zakoucky	CZ	Unknown	18
2026-10-01	David Zakoucky	CZ	Unknown	18
2026-09-30	David Zakoucky	CZ	Unknown	18
2026-09-29	David Zakoucky	CZ	Unknown	18
2026-09-28	David Zakoucky	CZ	Unknown	18
2026-09-27	David Zakoucky	CZ	Unknown	18
2026-09-26	David Zakoucky	CZ	Unknown	18
2026-09-25	David Zakoucky	CZ	Unknown	18
2026-09-24	David Zakoucky	CZ	Unknown	18
2026-09-23	David Zakoucky	CZ	Unknown	19
2026-09-22	David Zakoucky	CZ	Unknown	19
2026-09-21	David Zakoucky	CZ	Unknown	19
2026-09-20	David Zakoucky	CZ	Unknown	19
2026-09-19	David Zakoucky	CZ	Unknown	19
2026-09-18	David Zakoucky	CZ	Unknown	19
2026-09-17	David Zakoucky	CZ	Unknown	19
2026-09-16	David Zakoucky	CZ	Unknown	19
2026-09-15	David Zakoucky	CZ	Unknown	19
2026-09-14	David Zakoucky	CZ	Unknown	19
2026-09-13	David Zakoucky	CZ	Unknown	19
2026-09-12	David Zakoucky	CZ	Unknown	19
2026-09-11	David Zakoucky	CZ	Unknown	19
2026-09-10	David Zakoucky	CZ	Unknown	19
2026-09-09	David Zakoucky	CZ	Unknown	19
2026-09-08	David Zakoucky	CZ	Unknown	19
2026-09-07	David Zakoucky	CZ	Unknown	19
2026-09-06	David Zakoucky	CZ	Unknown	19
2026-09-05	David Zakoucky	CZ	Unknown	19
2026-09-04	David Zakoucky	CZ	Unknown	19
2026-09-03	David Zakoucky	CZ	Unknown	18
2026-09-02	David Zakoucky	CZ	Unknown	18
2026-09-01	David Zakoucky	CZ	Unknown	18
2026-08-31	David Zakoucky	CZ	Unknown	18
2026-08-30	David Zakoucky	CZ	Unknown	18
2026-08-29	David Zakoucky	CZ	Unknown	18
2026-08-28	David Zakoucky	CZ	Unknown	18
2026-08-27	David Zakoucky	CZ	Unknown	18
2026-08-26	David Zakoucky	CZ	Unknown	18
2026-08-25	David Zakoucky	CZ	Unknown	18
2026-08-24	David Zakoucky	CZ	Unknown	18
2026-08-23	David Zakoucky	CZ	Unknown	18
2026-08-22	David Zakoucky	CZ	Unknown	18
2026-08-21	David Zakoucky	CZ	Unknown	18
2026-08-20	David Zakoucky	CZ	Unknown	18
2026-08-19	David Zakoucky	CZ	Unknown	18
2026-08-18	David Zakoucky	CZ	Unknown	18
2026-08-17	David Zakoucky	CZ	Unknown	18
2026-08-16	David Zakoucky	CZ	Unknown	18
2026-08-15	David Zakoucky	CZ	Unknown	18
2026-08-14	David Zakoucky	CZ	Unknown	18
2026-08-13	David Zakoucky	CZ	Unknown	18
2026-08-12	David Zakoucky	CZ	Unknown	18
2026-08-11	David Zakoucky	CZ	Unknown	18
2026-08-10	David Zakoucky	CZ	Unknown	18
2026-08-09	David Zakoucky	CZ	Unknown	18
2026-08-08	David Zakoucky	CZ	Unknown	18
2026-08-07	David Zakoucky	CZ	Unknown	18
2026-08-06	David Zakoucky	CZ	Unknown	18
2026-08-05	David Zakoucky	CZ	Unknown	18
2026-08-04	David Zakoucky	CZ	Unknown	18
2026-08-03	David Zakoucky	CZ	Unknown	18
2026-08-02	David Zakoucky	CZ	Unknown	18
2026-08-01	David Zakoucky	CZ	Unknown	18
2026-07-31	David Zakoucky	CZ	Unknown	18
2026-07-30	David Zakoucky	CZ	Unknown	18
2026-07-29	David Zakoucky	CZ	Unknown	18
2026-07-28	David Zakoucky	CZ	Unknown	18
2026-07-27	David Zakoucky	CZ	Unknown	18
2026-07-26	David Zakoucky	CZ	Unknown	18
2026-07-25	David Zakoucky	CZ	Unknown	18
2026-07-24	David Zakoucky	CZ	Unknown	18
2026-07-23	David Zakoucky	CZ	Unknown	18
2026-07-22	David Zakoucky	CZ	Unknown	18
2026-07-21	David Zakoucky	CZ	Unknown	18
2026-07-20	David Zakoucky	CZ	Unknown	18
2026-07-19	David Zakoucky	CZ	Unknown	18
2026-07-18	David Zakoucky	CZ	Unknown	18
2026-07-17	David Zakoucky	CZ	Unknown	18
2026-07-16	David Zakoucky	CZ	Unknown	18
2026-07-15	David Zakoucky	CZ	Unknown	18
2026-07-14	David Zakoucky	CZ	Unknown	18
2026-07-13	David Zakoucky	CZ	Unknown	18
2026-07-12	David Zakoucky	CZ	Unknown	18
2026-07-11	David Zakoucky	CZ	Unknown	18
2026-07-10	David Zakoucky	CZ	Unknown	18
2026-07-09	David Zakoucky	CZ	Unknown	18
2026-07-08	David Zakoucky	CZ	Unknown	18
2026-07-07	David Zakoucky	CZ	Unknown	18
2026-07-06	David Zakoucky	CZ	Unknown	18
2026-07-05	David Zakoucky	CZ	Unknown	18
2026-07-04	David Zakoucky	CZ	Unknown	18
2026-07-03	David Zakoucky	CZ	Unknown	18
2026-07-02	David Zakoucky	CZ	Unknown	18
2026-07-01	David Zakoucky	CZ	Unknown	18
2026-06-30	David Zakoucky	CZ	Unknown	18
2026-06-29	David Zakoucky	CZ	Unknown	18
2026-06-28	David Zakoucky	CZ	Unknown	18
2026-06-27	David Zakoucky	CZ	Unknown	18
2026-06-26	David Zakoucky	CZ	Unknown	18
2026-06-25	David Zakoucky	CZ	Unknown	18
2026-06-24	David Zakoucky	CZ	Unknown	18
2026-06-23	David Zakoucky	CZ	Unknown	18
2026-06-22	David Zakoucky	CZ	Unknown	18
2026-06-21	David Zakoucky	CZ	Unknown	18
2026-06-20	David Zakoucky	CZ	Unknown	18
2026-06-19	David Zakoucky	CZ	Unknown	18
2026-06-18	David Zakoucky	CZ	Unknown	18
2026-06-17	David Zakoucky	CZ	Unknown	17
2026-06-16	David Zakoucky	CZ	Unknown	18
2026-06-15	David Zakoucky	CZ	Unknown	18
2026-06-14	David Zakoucky	CZ	Unknown	18
2026-06-13	David Zakoucky	CZ	Unknown	18

IP-block changes

Open full filtered history →

Observed	Block	Action	Previous origins	New origins
2026-10-22	`164.37.194.0/24`	Released	AS204150	—
2026-10-13	`164.37.194.0/24`	Acquired	—	AS204150
2026-10-12	`2a0f:6284:800::/48`	Released	AS204150	—
2026-10-12	`2a0f:6284:801::/48`	Released	AS204150	—
2026-10-12	`2a0f:6284:802::/48`	Released	AS204150	—
2026-10-12	`2a0f:6284:803::/48`	Released	AS204150	—
2026-10-12	`2a0f:6284:804::/48`	Released	AS204150	—
2026-10-12	`2a0f:6284:805::/48`	Released	AS204150	—
2026-10-12	`2a0f:6284:806::/48`	Released	AS204150	—
2026-10-12	`2a0f:6284:807::/48`	Released	AS204150	—
2026-10-12	`2a0f:6284:808::/48`	Released	AS204150	—
2026-10-12	`2a0f:6284:809::/48`	Released	AS204150	—
2026-10-12	`2a0f:6284:80a::/48`	Released	AS204150	—
2026-10-12	`2a0f:6284:80b::/48`	Released	AS204150	—
2026-10-12	`2a0f:6284:80c::/48`	Released	AS204150	—
2026-10-12	`2a0f:6284:80d::/48`	Released	AS204150	—
2026-10-12	`2a0f:6284:80e::/48`	Released	AS204150	—
2026-10-12	`2a0f:6284:80f::/48`	Released	AS204150	—
2026-10-12	`2a0f:6284:810::/48`	Released	AS204150	—
2026-09-24	`201.4.66.0/24`	Released	AS204150	—
2026-09-04	`201.4.66.0/24`	Acquired	—	AS204150
2026-06-18	`2a14:7580:fff0::/48`	Acquired	AS215353	AS204150
2026-06-17	`2a14:7580:fff0::/48`	Released	AS204150	AS215353