Home Prefix Lookup185.6.108.0/22

185.6.108.0/22 - CASTOR Marine B.V (AS61429)

IPv4RIPE NCCallocatedAS61429AS-CASTOR Castor Marine B.V. RPKI Valid

CIDR

185.6.108.0/22

IP Version

IPv4

Addresses

Mask

/22 (255.255.252.0)

Country

🇳🇱 The Netherlands

City

Utrecht (Vleuten-De Meern)

RIR

RIPE NCC

Status

allocated

Allocated

2012-10-12

Announced BGP Routes

0 of 0 routes

RPKI:

IRR:

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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.

More-Specific Announcements

4 more-specific announcements

Prefix	Origin AS	RPKI	IRR	Last Seen
185.6.108.0/24	AS61429 AS-CASTOR Castor Marine B.V.	Valid	-	2026-10-12
185.6.109.0/24	AS61429 AS-CASTOR Castor Marine B.V.	Valid	-	2026-10-12
185.6.110.0/24	AS61429 AS-CASTOR Castor Marine B.V.	Valid	-	2026-10-12
185.6.111.0/24	AS61429 AS-CASTOR Castor Marine B.V.	Valid	-	2026-10-12

RPKI ROAs

Prefix	Origin	Max Length	Trust Anchor
185.6.108.0/22	AS61429	/24	ripe

IRR Route Objects

Origin	Registry	Maintainer	Modified
AS61429	RIPE	castor-mnt	2025-08-12

More Specific Prefixes

Prefix	AS	Country	Status
185.6.108.0/24	AS61429	🇳🇱NL	assigned
185.6.109.0/24	AS61429	🇬🇧GB	assigned
185.6.110.0/24	AS61429	🇫🇷FR	assigned
185.6.111.248/29		🇳🇱NL	assigned

Transfer History

Registry transfers of 185.6.108.0/22, blocks inside it, or blocks containing it.

185.6.108.0/22M&A · 2026-09-09
Castor Communications BV
🇳🇱 NL RIPE NCC
→
Castor Marine B.V.
🇳🇱 NL RIPE NCC

Date	Resource	From	To	Type
2026-09-09	185.6.108.0/22	Castor Communications BV 🇳🇱 NL RIPE NCC	Castor Marine B.V. 🇳🇱 NL RIPE NCC	M&A

Origin ASN

AS61429

AS-CASTOR Castor Marine B.V.

Related Prefixes

More prefixes of AS61429

All prefixes of AS61429 →

Geolocation

Country🇳🇱The NetherlandsNL

RegionUtrecht

CityUtrecht (Vleuten-De Meern)

Coordinates52.0711, 5.0525 ↗

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/185.6.108.0/22

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

curl -s "https://api.ipctl.io/v1/prefix/185.6.108.0/22" | jq

External Links

RIPEstat