HomePrefix Lookup203.236.0.0/17

203.236.0.0/17

🇰🇷
IPv4RIPEannouncedAS4766KIXS-AS-KR-KR - Korea TelecomNo ROA
CIDR
203.236.0.0/17
IP Version
IPv4
Addresses
32.7K
Mask
/17 (255.255.128.0)
Country
🇰🇷 South Korea
City
Seoul (Eulji-ro)
RIR
RIPE
Status
announced
Allocated
-

Announced BGP Routes

1 of 1 route
RPKI:
IRR:
PrefixOrigin ASRPKIIRRLast Seen
203.236.0.0/17AS4766KIXS-AS-KR-KR - Korea TelecomNo ROA
RADB
5/31/2026

Covering Prefix

21 less-specific announcements
PrefixOrigin ASRPKIIRRLast Seen
203.236.0.0/19AS9644SKTELECOM-NET-AS-KR - SK TelecomNo ROA—5/31/2026
203.236.32.0/21AS9644SKTELECOM-NET-AS-KR - SK TelecomNo ROA—5/31/2026
203.236.40.0/22AS9644SKTELECOM-NET-AS-KR - SK TelecomNo ROA—5/31/2026
203.236.74.0/24AS9490NIS-AS-KR - Oscar EnterpriseNo ROA—5/31/2026
203.236.80.0/24AS9575KCTC-AS-KR-KR - KCTCNo ROA—5/31/2026
203.236.69.0/24AS9696EDAS-AS-KR - Oscar EnterpriseNo ROA—5/31/2026
203.236.71.0/24AS9696EDAS-AS-KR - Oscar EnterpriseNo ROA—5/31/2026
203.236.72.0/24AS9696EDAS-AS-KR - Oscar EnterpriseNo ROA—5/31/2026
203.236.73.0/24AS9696EDAS-AS-KR - Oscar EnterpriseNo ROA—5/31/2026
203.236.76.0/24AS9696EDAS-AS-KR - Oscar EnterpriseNo ROA—5/31/2026
203.236.78.0/24AS9696EDAS-AS-KR - Oscar EnterpriseNo ROA—5/31/2026
203.236.79.0/24AS9696EDAS-AS-KR - Oscar EnterpriseNo ROA—5/31/2026
203.236.70.0/24AS9696EDAS-AS-KR - Oscar EnterpriseNo ROA—5/31/2026
203.236.64.0/24AS9696EDAS-AS-KR - Oscar EnterpriseNo ROA—5/31/2026
203.236.65.0/24AS9696EDAS-AS-KR - Oscar EnterpriseNo ROA—5/31/2026
203.236.66.0/24AS9696EDAS-AS-KR - Oscar EnterpriseNo ROA—5/31/2026
203.236.67.0/24AS9696EDAS-AS-KR - Oscar EnterpriseNo ROA—5/31/2026
203.236.68.0/24AS9696EDAS-AS-KR - Oscar EnterpriseNo ROA—5/31/2026
203.236.84.0/24AS45399KAL-AS-KR-KR - Hanjin Information Systems Telecommunication Co., LtdNo ROA—5/31/2026
203.236.120.0/24AS45989KLNETCO-AS-KR-KR - KL-Net Corp.No ROA—5/31/2026
203.236.48.0/24AS55592KDT-AS-KR-KR - Korea Data Telecommunication Co., Ltd.No ROA—5/31/2026

IRR Route Objects

1
OriginRegistryMaintainerModified
AS4766RADBMAINT-AS476611/13/2023

More Specific Prefixes

6
PrefixASCountryStatus
203.236.64.0/18🇰🇷KRallocated
203.236.0.0/19AS9644🇰🇷KRallocated
203.236.48.0/20🇰🇷KRallocated
203.236.32.0/21AS9644🇰🇷KRallocated
203.236.44.0/22🇰🇷KRallocated
203.236.40.0/22AS9644🇰🇷KRallocated
Origin ASN
AS4766
KIXS-AS-KR-KR - Korea Telecom
Geolocation
Country🇰🇷South KoreaKR
RegionSeoul
CitySeoul (Eulji-ro)
Coordinates37.5660, 126.9950 ↗
API
Open
GEThttps://api.ipctl.io/v1/prefix/203.236.0.0/17

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

curl -s "https://api.ipctl.io/v1/prefix/203.236.0.0/17" | jq
External Links
RIPEstat Hurricane Electric BGP