Home Prefix Lookup185.4.128.0/22

185.4.128.0/22 - FourD Redcentric Solutions (AS31463)

IPv4RIPE NCCallocatedAS31463FourD-AS Redcentric Solutions Ltd RPKI Valid

CIDR

185.4.128.0/22

IP Version

IPv4

Addresses

Mask

/22 (255.255.252.0)

Country

🇬🇧 United Kingdom

City

Byfleet

RIR

RIPE NCC

Status

allocated

Allocated

2012-09-26

Announced BGP Routes

1 of 1 route

RPKI:

IRR:

Swipe sideways to see all columns →

Prefix	Origin AS	RPKI	IRR	Last Seen
185.4.128.0/22	AS31463 FourD-AS Redcentric Solutions Ltd	Valid	RIPE	2026-10-12

RPKI ROAs

Prefix	Origin	Max Length	Trust Anchor
185.4.128.0/22	AS31463	/22	ripe

IRR Route Objects

Origin	Registry	Maintainer	Modified
AS31463	RIPE	MNT-4DDATACENTRES	2012-11-04

More Specific Prefixes

Prefix	Country	Status
185.4.128.48/28	🇬🇧GB	assigned
185.4.128.64/27	🇬🇧GB	assigned
185.4.128.96/28	🇬🇧GB	assigned
185.4.128.112/29	🇬🇧GB	assigned
185.4.128.120/29	🇬🇧GB	assigned
185.4.128.144/28	🇬🇧GB	assigned
185.4.128.160/27	🇬🇧GB	assigned
185.4.128.192/27	🇬🇧GB	assigned
185.4.128.224/28	🇬🇧GB	assigned
185.4.130.72/29	🇬🇧GB	assigned
185.4.130.80/28	🇬🇧GB	assigned
185.4.130.112/29	🇬🇧GB	assigned
185.4.130.128/28	🇬🇧GB	assigned
185.4.130.144/29	🇬🇧GB	assigned
185.4.130.152/29	🇬🇧GB	assigned
185.4.130.160/27	🇬🇧GB	assigned
185.4.130.192/28	🇬🇧GB	assigned
185.4.130.224/28	🇬🇧GB	assigned
185.4.130.240/28	🇬🇧GB	assigned
185.4.131.32/29	🇬🇧GB	assigned
185.4.131.64/28	🇬🇧GB	assigned
185.4.131.96/28	🇬🇧GB	assigned
185.4.131.112/28	🇬🇧GB	assigned
185.4.131.128/28	🇬🇧GB	assigned
185.4.131.152/29	🇬🇧GB	assigned
185.4.131.192/26	🇬🇧GB	assigned

Transfer History

Registry transfers of 185.4.128.0/22, blocks inside it, or blocks containing it.

185.4.128.0/22Transfer · 2024-12-23
4D Data Centres Limited
RIPE NCC
→
Redcentric Solutions Ltd
RIPE NCC

Date	Resource	From	To	Type
2024-12-23	185.4.128.0/22	4D Data Centres Limited RIPE NCC	Redcentric Solutions Ltd RIPE NCC	Transfer

Origin ASN

AS31463

FourD-AS Redcentric Solutions Ltd

Related Prefixes

More prefixes of AS31463

All prefixes of AS31463 →

Geolocation

Country🇬🇧United KingdomGB

RegionEngland

CityByfleet

Coordinates51.3476, -0.4799 ↗

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/185.4.128.0/22

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

curl -s "https://api.ipctl.io/v1/prefix/185.4.128.0/22" | jq

External Links

RIPEstat