203.236.64.0/18

🇰🇷

IPv4APNICallocatedNo ROA

CIDR

203.236.64.0/18

IP Version

IPv4

Addresses

16.3K

Mask

/18 (255.255.192.0)

Country

🇰🇷 South Korea

City

Seongnam-si (Buljeong-ro)

RIR

APNIC

Status

allocated

Allocated

9/29/1996

Announced BGP Routes

0 of 0 routes

RPKI:

IRR:

Prefix	Origin AS	RPKI	IRR	Last Seen
This prefix is not currently announced in BGP. See covering prefix below.

18 less-specific announcements

Prefix	Origin AS	RPKI	IRR	Last Seen
203.236.0.0/17	AS4766KIXS-AS-KR-KR - Korea Telecom	No ROA	—	5/31/2026
203.236.74.0/24	AS9490NIS-AS-KR - Oscar Enterprise	No ROA	—	5/31/2026
203.236.80.0/24	AS9575KCTC-AS-KR-KR - KCTC	No ROA	—	5/31/2026
203.236.66.0/24	AS9696EDAS-AS-KR - Oscar Enterprise	No ROA	—	5/31/2026
203.236.67.0/24	AS9696EDAS-AS-KR - Oscar Enterprise	No ROA	—	5/31/2026
203.236.68.0/24	AS9696EDAS-AS-KR - Oscar Enterprise	No ROA	—	5/31/2026
203.236.69.0/24	AS9696EDAS-AS-KR - Oscar Enterprise	No ROA	—	5/31/2026
203.236.70.0/24	AS9696EDAS-AS-KR - Oscar Enterprise	No ROA	—	5/31/2026
203.236.71.0/24	AS9696EDAS-AS-KR - Oscar Enterprise	No ROA	—	5/31/2026
203.236.73.0/24	AS9696EDAS-AS-KR - Oscar Enterprise	No ROA	—	5/31/2026
203.236.76.0/24	AS9696EDAS-AS-KR - Oscar Enterprise	No ROA	—	5/31/2026
203.236.78.0/24	AS9696EDAS-AS-KR - Oscar Enterprise	No ROA	—	5/31/2026
203.236.79.0/24	AS9696EDAS-AS-KR - Oscar Enterprise	No ROA	—	5/31/2026
203.236.72.0/24	AS9696EDAS-AS-KR - Oscar Enterprise	No ROA	—	5/31/2026
203.236.64.0/24	AS9696EDAS-AS-KR - Oscar Enterprise	No ROA	—	5/31/2026
203.236.65.0/24	AS9696EDAS-AS-KR - Oscar Enterprise	No ROA	—	5/31/2026
203.236.84.0/24	AS45399KAL-AS-KR-KR - Hanjin Information Systems Telecommunication Co., Ltd	No ROA	—	5/31/2026
203.236.120.0/24	AS45989KLNETCO-AS-KR-KR - KL-Net Corp.	No ROA	—	5/31/2026

Geolocation

Country🇰🇷South KoreaKR

RegionGyeonggi-do

CitySeongnam-si (Buljeong-ro)

API

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

curl -s "https://api.ipctl.io/v1/prefix/203.236.64.0/18" | jq

External Links