Home Prefix Lookup2a04:c740::/29

2a04:c740::/29 - TLAPNET CZ Jiri Tlapak (AS204666)

IPv6RIPE NCCallocatedAS204666TLAPNET-CZ Jiri Tlapak RPKI Valid

CIDR

2a04:c740::/29

IP Version

IPv6

Addresses

633825.3Y

Mask

/29

Country

🇨🇿 Czechia

City

Čáslav (Nové Město)

RIR

RIPE NCC

Status

allocated

Allocated

2014-03-31

Announced BGP Routes

1 of 1 route

RPKI:

IRR:

Swipe sideways to see all columns →

Prefix	Origin AS	RPKI	IRR	Last Seen
2a04:c740::/29	AS204666 TLAPNET-CZ Jiri Tlapak	Valid	RIPE	2026-10-11

RPKI ROAs

Prefix	Origin	Max Length	Trust Anchor
2a04:c740::/29	AS198668	/48	ripe
2a04:c740::/29	AS202131	/48	ripe
2a04:c740::/29	AS204666	/29	ripe

IRR Route Objects

Origin	Registry	Maintainer	Modified
AS204666	RIPE	TLAPNET-MNT	2025-04-28
AS198668	RIPE	TLAPNET-MNT	2017-11-24

More Specific Prefixes

Prefix	AS	Country	Status
2a04:c740::/48		🇨🇿CZ	assigned
2a04:c741::/32		🇨🇿CZ	assigned

Transfer History

Registry transfers of 2a04:c740::/29, blocks inside it, or blocks containing it.

2a04:c740::/29Transfer · 2017-02-17
PRO - ISP s.r.o.
RIPE NCC
→
ISP Alliance a.s.
RIPE NCC

Date	Resource	From	To	Type
2017-02-17	2a04:c740::/29	PRO - ISP s.r.o. RIPE NCC	ISP Alliance a.s. RIPE NCC	Transfer

Origin ASN

AS204666

TLAPNET-CZ Jiri Tlapak

Related Prefixes

More prefixes of AS204666

All prefixes of AS204666 →

Geolocation

Country🇨🇿CzechiaCZ

RegionCentral Bohemia

CityČáslav (Nové Město)

Coordinates49.9098, 15.3957 ↗

Abuse Contact

Learn more

RPKI and ROAs explainedWhat RPKI valid, invalid and no ROA mean
RPKI validatorCheck ROA coverage for any prefix or ASN
What is BGP?How prefixes are announced and routed
More-specific prefixesGlossary: covering and more-specific routes
IPv4 transfers in the RIPE NCC regionWho bought and sold address space recently

API

Open

GEThttps://api.ipctl.io/v1/prefix/2a04:c740::/29

Returns prefix allocation, BGP routes, and more-specific subnets.

curl -s "https://api.ipctl.io/v1/prefix/2a04:c740::/29" | jq

External Links

RIPEstat