Home Prefix Lookup185.133.108.0/22

185.133.108.0/22 - F2X Fiber Services B.V (AS57112)

IPv4RIPE NCCallocatedAS57112AS-F2X Fiber Services B.V. RPKI Valid

CIDR

185.133.108.0/22

IP Version

IPv4

Addresses

Mask

/22 (255.255.252.0)

Country

🇳🇱 The Netherlands

City

Oud-Zuilen

RIR

RIPE NCC

Status

allocated

Allocated

2016-01-05

Announced BGP Routes

1 of 1 route

RPKI:

IRR:

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Prefix	Origin AS	RPKI	IRR	Last Seen
185.133.108.0/22	AS57112 AS-F2X Fiber Services B.V.	Valid	RIPE	2026-10-11

RPKI ROAs

Prefix	Origin	Max Length	Trust Anchor
185.133.108.0/22	AS57112	/22	ripe

IRR Route Objects

Origin	Registry	Maintainer	Modified
AS57112	RIPE	F2X-MNT	2020-05-23

Transfer History

Registry transfers of 185.133.108.0/22, blocks inside it, or blocks containing it.

185.133.108.0/22M&A · 2026-03-03
F2X Operator B.V.
🇳🇱 NL RIPE NCC
→
Fiber Services B.V.
🇳🇱 NL RIPE NCC
185.133.108.0/22Transfer · 2022-09-06
Euronet Communications B.V.
RIPE NCC
→
F2X Operator B.V.
RIPE NCC
185.133.108.0/22M&A · 2019-10-08
FBR Group B.V.
RIPE NCC
→
Euronet Communications B.V.
RIPE NCC

Date	Resource	From	To	Type
2026-03-03	185.133.108.0/22	F2X Operator B.V. 🇳🇱 NL RIPE NCC	Fiber Services B.V. 🇳🇱 NL RIPE NCC	M&A
2022-09-06	185.133.108.0/22	Euronet Communications B.V. RIPE NCC	F2X Operator B.V. RIPE NCC	Transfer
2019-10-08	185.133.108.0/22	FBR Group B.V. RIPE NCC	Euronet Communications B.V. RIPE NCC	M&A

Origin ASN

AS57112

AS-F2X Fiber Services B.V.

Related Prefixes

More prefixes of AS57112

All prefixes of AS57112 →

Geolocation

Country🇳🇱The NetherlandsNL

RegionUtrecht

CityOud-Zuilen

Coordinates52.1275, 5.0681 ↗

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/185.133.108.0/22

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

curl -s "https://api.ipctl.io/v1/prefix/185.133.108.0/22" | jq

External Links

RIPEstat