203.124.4.0/23

🇸🇬

CIDR

203.124.4.0/23

IP Version

IPv4

Addresses

512

Mask

/23 (255.255.254.0)

Country

🇸🇬 Singapore

City

Singapore (Downtown Core)

RIR

APNIC

Status

assigned

Allocated

3/16/2007

Announced BGP Routes

1 of 1 route

RPKI:

IRR:

Prefix	Origin AS	RPKI	IRR	Last Seen
203.124.4.0/23	AS56289DBS-NET-1-SG - 2 Changi Business Park Crescent	No ROA	APNIC	5/31/2026

Origin	Registry	Maintainer	Modified
AS56289	APNIC	MAINT-SG-DBSVO	1/6/2021
AS38489	RADB	MAINT-AS4637	11/13/2023

Origin ASN

Geolocation

Country🇸🇬SingaporeSG

CitySingapore (Downtown Core)

API

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

curl -s "https://api.ipctl.io/v1/prefix/203.124.4.0/23" | jq

External Links