203.241.172.0/23

🇰🇷

CIDR

203.241.172.0/23

IP Version

IPv4

Addresses

512

Mask

/23 (255.255.254.0)

Country

🇰🇷 South Korea

City

Yuseong (Daehak-ro)

RIR

APNIC

Status

allocated

Allocated

9/29/1996

Announced BGP Routes

1 of 1 route

RPKI:

IRR:

Prefix	Origin AS	RPKI	IRR	Last Seen
203.241.172.0/23	AS1237KREONET-AS-KR-KR - KISTI	Valid	APNICRADB	6/1/2026

Prefix	Origin	Max Length	Trust Anchor
203.241.172.0/23	AS1237	/24	apnic

Origin	Registry	Maintainer	Modified
AS1237	APNIC	MNT-KRNIC-AP	6/9/2025
AS1237	RADB	MAINT-AS4670	11/13/2023

Origin ASN

Geolocation

Country🇰🇷South KoreaKR

RegionDaejeon

CityYuseong (Daehak-ro)

API

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

curl -s "https://api.ipctl.io/v1/prefix/203.241.172.0/23" | jq

External Links