Home Prefix Lookup185.204.16.0/23

185.204.16.0/23 - BGP Prefix

IPv4RIPEassigned RPKI Valid

CIDR

185.204.16.0/23

IP Version

IPv4

Addresses

512

Mask

/23 (255.255.254.0)

Country

🇨🇿 Czechia

City

Brno-Řečkovice a Mokrá Hora

RIR

RIPE

Status

assigned

Allocated

Announced BGP Routes

0 of 0 routes

RPKI:

IRR:

Swipe sideways to see all columns →

Prefix	Origin AS	RPKI	IRR	Last Seen
This prefix is not announced as a whole. Parts of it are announced as more-specific prefixes, see below.

Related Announcements

1 less-specific, 2 more-specific announcements

Prefix	Origin AS	RPKI	IRR	Last Seen
185.204.16.0/22	AS57844 SPD-Net SPDNet Telekomunikasyon Hizmetleri Bilgi Teknolojileri Taahhut Sanayi Ve Ticaret A.S.	Valid	-	2026-10-11
185.204.16.0/24	AS57844 SPD-Net SPDNet Telekomunikasyon Hizmetleri Bilgi Teknolojileri Taahhut Sanayi Ve Ticaret A.S.	Valid	-	2026-10-11
185.204.17.0/24	AS57844 SPD-Net SPDNet Telekomunikasyon Hizmetleri Bilgi Teknolojileri Taahhut Sanayi Ve Ticaret A.S.	Valid	-	2026-10-11

RPKI ROAs

Prefix	Origin	Max Length	Trust Anchor
185.204.16.0/22	AS57844	/24	ripe

Transfer History

Registry transfers of 185.204.16.0/23, blocks inside it, or blocks containing it.

185.204.16.0/22Transfer · 2019-05-31
M Computers s.r.o.
RIPE NCC
→
IP Node s.r.o.
RIPE NCC

Date	Resource	From	To	Type
2019-05-31	185.204.16.0/22	M Computers s.r.o. RIPE NCC	IP Node s.r.o. RIPE NCC	Transfer

Related Prefixes

Covering prefix

185.204.16.0/22AS57844

Geolocation

Country🇨🇿CzechiaCZ

RegionSouth Moravian

CityBrno-Řečkovice a Mokrá Hora

Coordinates49.2499, 16.5864 ↗

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 transfer marketTransfers published by all five RIRs

API

Open

GEThttps://api.ipctl.io/v1/prefix/185.204.16.0/23

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

curl -s "https://api.ipctl.io/v1/prefix/185.204.16.0/23" | jq

External Links

RIPEstat