Home Prefix Lookup185.37.4.0/23

185.37.4.0/23 - A2B IP B.V (AS51088)

IPv4RIPE NCCannouncedAS51088A2B A2B IP B.V. RPKI Valid

CIDR

185.37.4.0/23

IP Version

IPv4

Addresses

512

Mask

/23 (255.255.254.0)

Country

🇳🇱 The Netherlands

City

Oisterwijk

RIR

RIPE NCC

Status

announced

Allocated

Announced BGP Routes

1 of 1 route

RPKI:

IRR:

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Prefix	Origin AS	RPKI	IRR	Last Seen
185.37.4.0/23	AS51088 A2B A2B IP B.V.	Valid	RIPE	2026-10-11

RPKI ROAs

Prefix	Origin	Max Length	Trust Anchor
185.37.4.0/23	AS51088	/23	ripe

IRR Route Objects

Origin	Registry	Maintainer	Modified
AS51088	RIPE	A2B-INTERNET-MNT	2014-02-10

More Specific Prefixes

Prefix	Country	Status
185.37.4.0/27	🇳🇱NL	assigned
185.37.4.32/28	🇳🇱NL	assigned
185.37.4.48/29	🇳🇱NL	assigned
185.37.4.56/30	🇳🇱NL	assigned
185.37.5.0/28	🇳🇱NL	assigned
185.37.5.16/28	🇳🇱NL	assigned
185.37.5.32/29	🇳🇱NL	assigned
185.37.5.40/30	🇳🇱NL	assigned
185.37.5.44/31	🇳🇱NL	assigned

Origin ASN

AS51088

A2B A2B IP B.V.

Related Prefixes

More prefixes of AS51088

All prefixes of AS51088 →

Geolocation

Country🇳🇱The NetherlandsNL

RegionNorth Brabant

CityOisterwijk

Coordinates51.5742, 5.1806 ↗

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/185.37.4.0/23

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

curl -s "https://api.ipctl.io/v1/prefix/185.37.4.0/23" | jq

External Links

RIPEstat