Home Prefix Lookup152.37.108.0/22

152.37.108.0/22 - BCUBE Hyperoptic (AS56478)

IPv4RIPE NCCannouncedAS56478BCUBE-AS Hyperoptic Ltd RPKI Valid

CIDR

152.37.108.0/22

IP Version

IPv4

Addresses

Mask

/22 (255.255.252.0)

Country

🇬🇧 United Kingdom

City

Westminster

RIR

RIPE NCC

Status

announced

Allocated

Announced BGP Routes

1 of 1 route

RPKI:

IRR:

Swipe sideways to see all columns →

Prefix	Origin AS	RPKI	IRR	Last Seen
152.37.108.0/22	AS56478 BCUBE-AS Hyperoptic Ltd	Valid	RIPE	2026-10-11

Covering Prefix

1 less-specific announcement

Prefix	Origin AS	RPKI	IRR	Last Seen
152.37.64.0/18	AS56478 BCUBE-AS Hyperoptic Ltd	Valid	-	2026-10-11

RPKI ROAs

Prefix	Origin	Max Length	Trust Anchor
152.37.108.0/22	AS56478	/22	ripe
152.37.64.0/18	AS56478	/18	ripe

IRR Route Objects

Origin	Registry	Maintainer	Modified
AS56478	RIPE	MNT-BCUBE	2021-07-05

Transfer History

Registry transfers of 152.37.108.0/22, blocks inside it, or blocks containing it.

152.37.64.0/18inter-RIRTransfer · 2020-11-09
University of Mount Olive
🇺🇸 US ARIN
→
Hyperoptic Ltd
RIPE NCC

Date	Resource	From	To	Type
2020-11-09	152.37.64.0/18inter-RIR	University of Mount Olive 🇺🇸 US ARIN	Hyperoptic Ltd RIPE NCC	Transfer

Origin ASN

AS56478

BCUBE-AS Hyperoptic Ltd

Related Prefixes

Covering prefix

152.37.64.0/18AS56478

More prefixes of AS56478

All prefixes of AS56478 →

Geolocation

Country🇬🇧United KingdomGB

RegionEngland

CityWestminster

Coordinates51.4975, -0.1357 ↗

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/152.37.108.0/22

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

curl -s "https://api.ipctl.io/v1/prefix/152.37.108.0/22" | jq

External Links

RIPEstat