HomePrefix Lookup121.136.0.0/13

121.136.0.0/13

🇰🇷
IPv4APNICannouncedAS4766KIXS-AS-KR-KR - Korea TelecomNo ROA
CIDR
121.136.0.0/13
IP Version
IPv4
Addresses
524.2K
Mask
/13 (255.248.0.0)
Country
🇰🇷 South Korea
City
Seongnam-si
RIR
APNIC
Status
announced
Allocated
-

Announced BGP Routes

1 of 1 route
RPKI:
IRR:
PrefixOrigin ASRPKIIRRLast Seen
121.136.0.0/13AS4766KIXS-AS-KR-KR - Korea TelecomNo ROA—5/31/2026

Covering Prefix

30 less-specific announcements
PrefixOrigin ASRPKIIRRLast Seen
121.128.0.0/11AS4766KIXS-AS-KR-KR - Korea TelecomNo ROA—5/31/2026
121.128.0.0/12AS4766KIXS-AS-KR-KR - Korea TelecomNo ROA—5/31/2026
121.139.137.0/24AS3786LGDACOM-KR - LG DACOM CorporationNo ROA—5/31/2026
121.137.151.0/24AS4766KIXS-AS-KR-KR - Korea TelecomNo ROA—5/31/2026
121.141.42.0/24AS4766KIXS-AS-KR-KR - Korea TelecomNo ROA—5/31/2026
121.137.185.0/24AS4766KIXS-AS-KR-KR - Korea TelecomNo ROA—5/31/2026
121.138.156.0/24AS9273SICC-AS-KR - ITCENENTEC CO.,LTD.No ROA—5/31/2026
121.140.76.0/24AS9524HMC-AS-KR - Hyundai Autoever Corp.No ROA—5/31/2026
121.141.229.0/24AS9526KOSCOM-AS-KR-KR - KOSCOMNo ROA—5/31/2026
121.141.60.0/24AS9526KOSCOM-AS-KR-KR - KOSCOMNo ROA—5/31/2026
121.140.97.0/24AS9530SHINSEGAE-AS-KR - SHINSEGAE I C Co., Ltd.No ROA—5/31/2026
121.141.101.0/24AS9776KBSTAR-KR - KOOKMIN BANKNo ROA—5/31/2026
121.143.242.0/24AS9968KYOBO-AS-KR - KYOBO Life Insurance Co., Ltd.No ROA—5/31/2026
121.139.137.0/24AS23591LS-AS-KR-KR - LS ITCNo ROA—5/31/2026
121.137.87.0/24AS46009YABESK-AS-KR-KR - YABESKNo ROA—5/31/2026
121.137.95.0/24AS46009YABESK-AS-KR-KR - YABESKNo ROA—5/31/2026
121.137.94.0/24AS46009YABESK-AS-KR-KR - YABESKNo ROA—5/31/2026
121.137.90.0/24AS46009YABESK-AS-KR-KR - YABESKNo ROA—5/31/2026
121.137.89.0/24AS46009YABESK-AS-KR-KR - YABESKNo ROA—5/31/2026
121.137.88.0/24AS46009YABESK-AS-KR-KR - YABESKNo ROA—5/31/2026
121.137.107.0/24AS46009YABESK-AS-KR-KR - YABESKNo ROA—5/31/2026
121.137.106.0/24AS46009YABESK-AS-KR-KR - YABESKNo ROA—5/31/2026
121.137.105.0/24AS46009YABESK-AS-KR-KR - YABESKNo ROA—5/31/2026
121.137.96.0/24AS46009YABESK-AS-KR-KR - YABESKNo ROA—5/31/2026
121.140.137.0/24AS55592KDT-AS-KR-KR - Korea Data Telecommunication Co., Ltd.No ROA—5/31/2026
121.140.104.0/24AS55592KDT-AS-KR-KR - Korea Data Telecommunication Co., Ltd.No ROA—5/31/2026
121.140.50.0/24AS55592KDT-AS-KR-KR - Korea Data Telecommunication Co., Ltd.No ROA—5/31/2026
121.140.118.0/24AS55592KDT-AS-KR-KR - Korea Data Telecommunication Co., Ltd.No ROA—5/31/2026
121.138.30.0/24AS55630KSNET-AS-KR-KR - KSNET.IncNo ROA—5/31/2026
121.138.29.0/24AS55630KSNET-AS-KR-KR - KSNET.IncNo ROA—5/31/2026
Origin ASN
AS4766
KIXS-AS-KR-KR - Korea Telecom
Geolocation
Country🇰🇷South KoreaKR
RegionGyeonggi-do
CitySeongnam-si
Coordinates37.3668, 127.1080 ↗
API
Open
GEThttps://api.ipctl.io/v1/prefix/121.136.0.0/13

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

curl -s "https://api.ipctl.io/v1/prefix/121.136.0.0/13" | jq
External Links
RIPEstat Hurricane Electric BGP