Home Prefix Lookup178.21.16.0/21

178.21.16.0/21 - Serverius Holding B.V (AS50673)

IPv4RIPE NCCallocatedAS50673Serverius-as Serverius Holding B.V. RPKI Valid

CIDR

178.21.16.0/21

IP Version

IPv4

Addresses

Mask

/21 (255.255.248.0)

Country

🇳🇱 The Netherlands

City

Amsterdam

RIR

RIPE NCC

Status

allocated

Allocated

2010-03-09

Announced BGP Routes

1 of 1 route

RPKI:

IRR:

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Prefix	Origin AS	RPKI	IRR	Last Seen
178.21.16.0/21	AS50673 Serverius-as Serverius Holding B.V.	Valid	RIPE	2026-10-11

More-Specific Announcements

3 more-specific announcements

Prefix	Origin AS	RPKI	IRR	Last Seen
178.21.20.0/24	AS50673 Serverius-as Serverius Holding B.V.	Valid	-	2026-10-11
178.21.22.0/24	AS50673 Serverius-as Serverius Holding B.V.	Valid	-	2026-10-11
178.21.23.0/24	AS50673 Serverius-as Serverius Holding B.V.	Valid	-	2026-10-11

RPKI ROAs

Prefix	Origin	Max Length	Trust Anchor
178.21.16.0/21	AS50673	/24	ripe

IRR Route Objects

Origin	Registry	Maintainer	Modified
AS50673	RIPE	SERVERIUS-MNT	2010-12-17

More Specific Prefixes

Prefix	AS	Country	Status
178.21.16.0/29		🇳🇱NL	assigned
178.21.16.24/30		🇳🇱NL	assigned
178.21.16.28/30		🇳🇱NL	assigned
178.21.16.32/27		🇳🇱NL	assigned
178.21.16.80/28		🇳🇱NL	assigned
178.21.16.96/28		🇳🇱NL	assigned
178.21.16.112/28		🇳🇱NL	assigned
178.21.16.160/27		🇳🇱NL	assigned
178.21.16.192/27		🇳🇱NL	assigned
178.21.17.0/27		🇳🇱NL	assigned
178.21.17.32/27		🇳🇱NL	assigned
178.21.17.64/27		🇳🇱NL	assigned
178.21.17.144/28		🇳🇱NL	assigned
178.21.17.160/27		🇳🇱NL	assigned
178.21.17.224/27		🇳🇱NL	assigned
178.21.18.32/27		🇳🇱NL	assigned
178.21.18.64/26		🇳🇱NL	assigned
178.21.19.0/25		🇳🇱NL	assigned
178.21.19.192/26		🇳🇱NL	assigned
178.21.20.0/24	AS50673	🇳🇱NL	assigned
178.21.21.16/29		🇳🇱NL	assigned
178.21.21.64/28		🇳🇱NL	assigned
178.21.21.96/27		🇳🇱NL	assigned
178.21.21.176/28		🇳🇱NL	assigned
178.21.21.192/26		🇳🇱NL	assigned
178.21.22.0/25		🇳🇱NL	assigned
178.21.23.0/24	AS50673	🇳🇱NL	assigned

Origin ASN

AS50673

Serverius-as Serverius Holding B.V.

Related Prefixes

More prefixes of AS50673

All prefixes of AS50673 →

Geolocation

Country🇳🇱The NetherlandsNL

RegionNorth Holland

CityAmsterdam

Coordinates52.3676, 4.9041 ↗

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/178.21.16.0/21

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

curl -s "https://api.ipctl.io/v1/prefix/178.21.16.0/21" | jq

External Links

RIPEstat