Home Prefix Lookup193.24.28.0/24

193.24.28.0/24 - ISP4BAS Specialist Computer Centres Plc (AS21077)

IPv4RIPE NCCassignedAS21077ISP4BAS Specialist Computer Centres Plc RPKI Valid

CIDR

193.24.28.0/24

IP Version

IPv4

Addresses

256

Mask

/24 (255.255.255.0)

Country

🇬🇧 United Kingdom

City

Birmingham (Tyseley)

RIR

RIPE NCC

Status

assigned

Allocated

2004-03-10

Announced BGP Routes

1 of 1 route

RPKI:

IRR:

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Prefix	Origin AS	RPKI	IRR	Last Seen
193.24.28.0/24	AS21077 ISP4BAS Specialist Computer Centres Plc	Valid	RIPE	2026-10-11

RPKI ROAs

Prefix	Origin	Max Length	Trust Anchor
193.24.28.0/24	AS21077	/24	ripe

IRR Route Objects

Origin	Registry	Maintainer	Modified
AS21077	RIPE	MNT-SCCIS	2025-08-20
AS24867	RIPE	AS24867-LWR-MNT	2017-11-23

Transfer History

Registry transfers of 193.24.28.0/24, blocks inside it, or blocks containing it.

193.24.28.0/24Transfer · 2021-09-30
The Energy Saving Trust Ltd
RIPE NCC
→
Specialist Computer Centres Plc
RIPE NCC

Date	Resource	From	To	Type
2021-09-30	193.24.28.0/24	The Energy Saving Trust Ltd RIPE NCC	Specialist Computer Centres Plc RIPE NCC	Transfer

Origin ASN

AS21077

ISP4BAS Specialist Computer Centres Plc

Related Prefixes

More prefixes of AS21077

All prefixes of AS21077 →

Geolocation

Country🇬🇧United KingdomGB

RegionEngland

CityBirmingham (Tyseley)

Coordinates52.4543, -1.8539 ↗

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/193.24.28.0/24

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

curl -s "https://api.ipctl.io/v1/prefix/193.24.28.0/24" | jq

External Links

RIPEstat