HomePrefix Lookup210.121.128.0/17

210.121.128.0/17

🇰🇷
IPv4APNICallocatedAS4766KIXS-AS-KR-KR - Korea TelecomNo ROA
CIDR
210.121.128.0/17
IP Version
IPv4
Addresses
32.7K
Mask
/17 (255.255.128.0)
Country
🇰🇷 South Korea
City
Seongnam-si (Buljeong-ro)
RIR
APNIC
Status
allocated
Allocated
11/26/1996

Announced BGP Routes

1 of 1 route
RPKI:
IRR:
PrefixOrigin ASRPKIIRRLast Seen
210.121.128.0/17AS4766KIXS-AS-KR-KR - Korea TelecomNo ROA
RADB
5/31/2026

Covering Prefix

26 less-specific announcements
PrefixOrigin ASRPKIIRRLast Seen
210.121.228.0/23AS4766KIXS-AS-KR-KR - Korea TelecomNo ROA—5/31/2026
210.121.230.0/24AS4766KIXS-AS-KR-KR - Korea TelecomNo ROA—5/31/2026
210.121.201.0/24AS10058CU-AS-KR-KR - NACUFOKNo ROA—5/31/2026
210.121.158.0/24AS18176KOOKMIN-AS-KR-KR - KOOKMIN UNIVERSITYNo ROA—5/31/2026
210.121.159.0/24AS18176KOOKMIN-AS-KR-KR - KOOKMIN UNIVERSITYNo ROA—5/31/2026
210.121.157.0/24AS18176KOOKMIN-AS-KR-KR - KOOKMIN UNIVERSITYNo ROA—5/31/2026
210.121.153.0/24AS18176KOOKMIN-AS-KR-KR - KOOKMIN UNIVERSITYNo ROA—5/31/2026
210.121.154.0/24AS18176KOOKMIN-AS-KR-KR - KOOKMIN UNIVERSITYNo ROA—5/31/2026
210.121.155.0/24AS18176KOOKMIN-AS-KR-KR - KOOKMIN UNIVERSITYNo ROA—5/31/2026
210.121.156.0/24AS18176KOOKMIN-AS-KR-KR - KOOKMIN UNIVERSITYNo ROA—5/31/2026
210.121.152.0/24AS18176KOOKMIN-AS-KR-KR - KOOKMIN UNIVERSITYNo ROA—5/31/2026
210.121.221.0/24AS38676FLEXNET-AS-KR-KR - flexnetworksNo ROA—5/31/2026
210.121.213.0/24AS38676FLEXNET-AS-KR-KR - flexnetworksNo ROA—5/31/2026
210.121.164.0/24AS45382EHOSTIDC-AS-KR-KR - HostcenterNo ROA—5/31/2026
210.121.190.0/24AS55592KDT-AS-KR-KR - Korea Data Telecommunication Co., Ltd.No ROA—5/31/2026
210.121.131.0/24AS55627DONGDUK-AS-KR-KR - Dongduk Womens UniversityNo ROA—5/31/2026
210.121.134.0/24AS55627DONGDUK-AS-KR-KR - Dongduk Womens UniversityNo ROA—5/31/2026
210.121.135.0/24AS55627DONGDUK-AS-KR-KR - Dongduk Womens UniversityNo ROA—5/31/2026
210.121.136.0/24AS55627DONGDUK-AS-KR-KR - Dongduk Womens UniversityNo ROA—5/31/2026
210.121.137.0/24AS55627DONGDUK-AS-KR-KR - Dongduk Womens UniversityNo ROA—5/31/2026
210.121.138.0/24AS55627DONGDUK-AS-KR-KR - Dongduk Womens UniversityNo ROA—5/31/2026
210.121.139.0/24AS55627DONGDUK-AS-KR-KR - Dongduk Womens UniversityNo ROA—5/31/2026
210.121.140.0/24AS55627DONGDUK-AS-KR-KR - Dongduk Womens UniversityNo ROA—5/31/2026
210.121.133.0/24AS55627DONGDUK-AS-KR-KR - Dongduk Womens UniversityNo ROA—5/31/2026
210.121.132.0/24AS55627DONGDUK-AS-KR-KR - Dongduk Womens UniversityNo ROA—5/31/2026
210.121.209.0/24AS152290JEJUAIR-AS-KR-KR - JejuairNo ROA—5/31/2026

IRR Route Objects

1
OriginRegistryMaintainerModified
AS4766RADBMAINT-AS476611/13/2023
Origin ASN
AS4766
KIXS-AS-KR-KR - Korea Telecom
Geolocation
Country🇰🇷South KoreaKR
RegionGyeonggi-do
CitySeongnam-si (Buljeong-ro)
Coordinates37.3654, 127.1220 ↗
API
Open
GEThttps://api.ipctl.io/v1/prefix/210.121.128.0/17

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

curl -s "https://api.ipctl.io/v1/prefix/210.121.128.0/17" | jq
External Links
RIPEstat Hurricane Electric BGP