Home Prefix Lookup212.203.28.0/22

212.203.28.0/22 - BGP Prefix

IPv4RIPEassigned RPKI Valid

CIDR

212.203.28.0/22

IP Version

IPv4

Addresses

Mask

/22 (255.255.252.0)

Country

🇳🇱 The Netherlands

City

Amsterdam

RIR

RIPE

Status

assigned

Allocated

Announced BGP Routes

0 of 0 routes

RPKI:

IRR:

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Prefix	Origin AS	RPKI	IRR	Last Seen
This prefix is not currently announced in BGP. See covering prefix below.

Covering Prefix

2 less-specific announcements

Prefix	Origin AS	RPKI	IRR	Last Seen
212.203.0.0/19	AS33915 TNF-AS Vodafone Libertel B.V.	Valid	-	2026-10-11
212.203.16.0/20	AS33915 TNF-AS Vodafone Libertel B.V.	Valid	-	2026-10-11

RPKI ROAs

Prefix	Origin	Max Length	Trust Anchor
212.203.16.0/20	AS33915	/20	ripe
212.203.0.0/19	AS33915	/19	ripe

More Specific Prefixes

Prefix	Country	Status
212.203.28.232/29	🇳🇱NL	assigned
212.203.30.0/24	🇳🇱NL	assigned
212.203.31.0/27	🇳🇱NL	assigned
212.203.31.64/27	🇳🇱NL	assigned
212.203.31.96/27	🇳🇱NL	assigned
212.203.31.128/27	🇳🇱NL	assigned
212.203.31.160/29	🇳🇱NL	assigned
212.203.31.176/28	🇳🇱NL	assigned
212.203.31.192/28	🇳🇱NL	assigned
212.203.31.208/28	🇳🇱NL	assigned
212.203.31.224/29	🇳🇱NL	assigned
212.203.31.232/29	🇳🇱NL	assigned
212.203.31.240/29	🇳🇱NL	assigned
212.203.31.248/32	🇳🇱NL	assigned

Transfer History

Registry transfers of 212.203.28.0/22, blocks inside it, or blocks containing it.

212.203.0.0/19Transfer · 2026-05-01
Ziggo B.V.
🇳🇱 NL RIPE NCC
→
Vodafone Libertel B.V.
🇳🇱 NL RIPE NCC

Date	Resource	From	To	Type
2026-05-01	212.203.0.0/19	Ziggo B.V. 🇳🇱 NL RIPE NCC	Vodafone Libertel B.V. 🇳🇱 NL RIPE NCC	Transfer

Related Prefixes

Covering prefix

212.203.16.0/20AS33915

Geolocation

Country🇳🇱The NetherlandsNL

RegionNorth Holland

CityAmsterdam

Coordinates52.3676, 4.9041 ↗

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/212.203.28.0/22

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

curl -s "https://api.ipctl.io/v1/prefix/212.203.28.0/22" | jq

External Links

RIPEstat