Home Prefix Lookup185.243.172.0/22

185.243.172.0/22 - TLAPNET CZ Jiri Tlapak (AS204666)

IPv4RIPE NCCallocatedAS204666TLAPNET-CZ Jiri Tlapak RPKI Valid

CIDR

185.243.172.0/22

IP Version

IPv4

Addresses

Mask

/22 (255.255.252.0)

Country

🇨🇿 Czechia

City

Třemošnice

RIR

RIPE NCC

Status

allocated

Allocated

2018-01-29

Announced BGP Routes

1 of 1 route

RPKI:

IRR:

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Prefix	Origin AS	RPKI	IRR	Last Seen
185.243.172.0/22	AS204666 TLAPNET-CZ Jiri Tlapak	Valid	RIPE	2026-10-11

RPKI ROAs

Prefix	Origin	Max Length	Trust Anchor
185.243.172.0/22	AS198668	/24	ripe
185.243.172.0/22	AS204666	/24	ripe

IRR Route Objects

Origin	Registry	Maintainer	Modified
AS204666	RIPE	TLAPNET-MNT	2025-03-22
AS198668	RIPE	TLAPNET-MNT	2018-06-21

More Specific Prefixes

Prefix	Country	Status
185.243.172.0/24	🇨🇿CZ	assigned
185.243.173.0/24	🇨🇿CZ	assigned
185.243.174.0/24	🇨🇿CZ	assigned
185.243.175.0/24	🇨🇿CZ	assigned

Origin ASN

AS204666

TLAPNET-CZ Jiri Tlapak

Related Prefixes

More prefixes of AS204666

All prefixes of AS204666 →

Geolocation

Country🇨🇿CzechiaCZ

RegionPardubice Region

CityTřemošnice

Coordinates49.8691, 15.5800 ↗

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/185.243.172.0/22

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

curl -s "https://api.ipctl.io/v1/prefix/185.243.172.0/22" | jq

External Links

RIPEstat