HomePrefix Lookup1.233.208.0/20

1.233.208.0/20

🇰🇷
CIDR
1.233.208.0/20
IP Version
IPv4
Addresses
4K
Mask
/20 (255.255.240.0)
Country
🇰🇷 South Korea
City
Seodaemun-gu
RIR
APNIC
Status
allocated
Allocated
7/19/2010

Announced BGP Routes

1 of 1 route
RPKI:
IRR:
PrefixOrigin ASRPKIIRRLast Seen
1.233.208.0/20AS4665YONSEI-AS-KR-KR - Yonsei UniversityNo ROA
RADB
5/31/2026

Covering Prefix

2 less-specific announcements
PrefixOrigin ASRPKIIRRLast Seen
1.224.0.0/11AS9318SKB-AS-KR - SK Broadband Co LtdNo ROA—5/31/2026
1.232.0.0/13AS9318SKB-AS-KR - SK Broadband Co LtdNo ROA—5/31/2026

IRR Route Objects

1
OriginRegistryMaintainerModified
AS4665RADBMAINT-AS931811/13/2023

More Specific Prefixes

16
PrefixASCountryStatus
1.233.222.0/24🇰🇷KRassigned
1.233.209.0/24🇰🇷KRassigned
1.233.214.0/24🇰🇷KRassigned
1.233.208.0/24🇰🇷KRassigned
1.233.215.0/24🇰🇷KRassigned
1.233.216.0/24🇰🇷KRassigned
1.233.220.0/24🇰🇷KRassigned
1.233.218.0/24🇰🇷KRassigned
1.233.219.0/24🇰🇷KRassigned
1.233.221.0/24🇰🇷KRassigned
1.233.223.0/24🇰🇷KRassigned
1.233.213.0/24🇰🇷KRassigned
1.233.217.0/24🇰🇷KRassigned
1.233.212.0/24🇰🇷KRassigned
1.233.211.0/24🇰🇷KRassigned
1.233.210.0/24🇰🇷KRassigned
Geolocation
Country🇰🇷South KoreaKR
RegionSeoul
CitySeodaemun-gu
GEThttps://api.ipctl.io/v1/prefix/1.233.208.0/20

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

curl -s "https://api.ipctl.io/v1/prefix/1.233.208.0/20" | jq