HomePrefix Lookup203.237.128.0/17

203.237.128.0/17

🇰🇷
IPv4APNICallocatedAS4766KIXS-AS-KR-KR - Korea TelecomNo ROA
CIDR
203.237.128.0/17
IP Version
IPv4
Addresses
32.7K
Mask
/17 (255.255.128.0)
Country
🇰🇷 South Korea
City
Yongun-dong
RIR
APNIC
Status
allocated
Allocated
9/29/1996

Announced BGP Routes

1 of 1 route
RPKI:
IRR:
PrefixOrigin ASRPKIIRRLast Seen
203.237.128.0/17AS4766KIXS-AS-KR-KR - Korea TelecomNo ROA
RADB
5/31/2026

Covering Prefix

71 less-specific announcements
PrefixOrigin ASRPKIIRRLast Seen
203.237.128.0/19AS3786LGDACOM-KR - LG DACOM CorporationNo ROA—5/31/2026
203.237.128.0/20AS23983DJU-AS-KR-KR - Daejeon UniversityNo ROA—5/31/2026
203.237.192.0/21AS4766KIXS-AS-KR-KR - Korea TelecomNo ROA—5/31/2026
203.237.232.0/21AS4766KIXS-AS-KR-KR - Korea TelecomNo ROA—5/31/2026
203.237.240.0/21AS9318SKB-AS-KR - SK Broadband Co LtdNo ROA—5/31/2026
203.237.176.0/21AS18329SMUC-AS-KR-KR - Sangmyung UniversityNo ROA—5/31/2026
203.237.144.0/21AS23983DJU-AS-KR-KR - Daejeon UniversityNo ROA—5/31/2026
203.237.184.0/22AS17614GEUMGANG-AS-KR-KR - Geumgang UniversityNo ROA—5/31/2026
203.237.172.0/23AS3786LGDACOM-KR - LG DACOM CorporationNo ROA—5/31/2026
203.237.202.0/23AS18026CHEJU-AS-KR-KR - JEJU NATIONAL UNIVERSITYNo ROA—5/31/2026
203.237.188.0/23AS18319YJNET-AS-KR-KR - YeungNam College of Science TechnologyNo ROA—5/31/2026
203.237.152.0/23AS23983DJU-AS-KR-KR - Daejeon UniversityNo ROA—5/31/2026
203.237.163.0/24AS3786LGDACOM-KR - LG DACOM CorporationNo ROA—5/31/2026
203.237.164.0/24AS3786LGDACOM-KR - LG DACOM CorporationNo ROA—5/31/2026
203.237.165.0/24AS3786LGDACOM-KR - LG DACOM CorporationNo ROA—5/31/2026
203.237.161.0/24AS3786LGDACOM-KR - LG DACOM CorporationNo ROA—5/31/2026
203.237.167.0/24AS3786LGDACOM-KR - LG DACOM CorporationNo ROA—5/31/2026
203.237.160.0/24AS3786LGDACOM-KR - LG DACOM CorporationNo ROA—5/31/2026
203.237.166.0/24AS3786LGDACOM-KR - LG DACOM CorporationNo ROA—5/31/2026
203.237.162.0/24AS3786LGDACOM-KR - LG DACOM CorporationNo ROA—5/31/2026
203.237.159.0/24AS4766KIXS-AS-KR-KR - Korea TelecomNo ROA—5/31/2026
203.237.154.0/24AS4766KIXS-AS-KR-KR - Korea TelecomNo ROA—5/31/2026
203.237.156.0/24AS4766KIXS-AS-KR-KR - Korea TelecomNo ROA—5/31/2026
203.237.157.0/24AS4766KIXS-AS-KR-KR - Korea TelecomNo ROA—5/31/2026
203.237.158.0/24AS4766KIXS-AS-KR-KR - Korea TelecomNo ROA—5/31/2026
203.237.204.0/24AS4766KIXS-AS-KR-KR - Korea TelecomNo ROA—5/31/2026
203.237.205.0/24AS4766KIXS-AS-KR-KR - Korea TelecomNo ROA—5/31/2026
203.237.206.0/24AS4766KIXS-AS-KR-KR - Korea TelecomNo ROA—5/31/2026
203.237.207.0/24AS4766KIXS-AS-KR-KR - Korea TelecomNo ROA—5/31/2026
203.237.208.0/24AS4766KIXS-AS-KR-KR - Korea TelecomNo ROA—5/31/2026
203.237.209.0/24AS4766KIXS-AS-KR-KR - Korea TelecomNo ROA—5/31/2026
203.237.210.0/24AS4766KIXS-AS-KR-KR - Korea TelecomNo ROA—5/31/2026
203.237.211.0/24AS4766KIXS-AS-KR-KR - Korea TelecomNo ROA—5/31/2026
203.237.212.0/24AS4766KIXS-AS-KR-KR - Korea TelecomNo ROA—5/31/2026
203.237.213.0/24AS4766KIXS-AS-KR-KR - Korea TelecomNo ROA—5/31/2026
203.237.214.0/24AS4766KIXS-AS-KR-KR - Korea TelecomNo ROA—5/31/2026
203.237.215.0/24AS4766KIXS-AS-KR-KR - Korea TelecomNo ROA—5/31/2026
203.237.224.0/24AS4766KIXS-AS-KR-KR - Korea TelecomNo ROA—5/31/2026
203.237.225.0/24AS4766KIXS-AS-KR-KR - Korea TelecomNo ROA—5/31/2026
203.237.227.0/24AS4766KIXS-AS-KR-KR - Korea TelecomNo ROA—5/31/2026
203.237.228.0/24AS4766KIXS-AS-KR-KR - Korea TelecomNo ROA—5/31/2026
203.237.229.0/24AS4766KIXS-AS-KR-KR - Korea TelecomNo ROA—5/31/2026
203.237.230.0/24AS4766KIXS-AS-KR-KR - Korea TelecomNo ROA—5/31/2026
203.237.231.0/24AS4766KIXS-AS-KR-KR - Korea TelecomNo ROA—5/31/2026
203.237.248.0/24AS4766KIXS-AS-KR-KR - Korea TelecomNo ROA—5/31/2026
203.237.249.0/24AS4766KIXS-AS-KR-KR - Korea TelecomNo ROA—5/31/2026
203.237.250.0/24AS4766KIXS-AS-KR-KR - Korea TelecomNo ROA—5/31/2026
203.237.191.0/24AS4766KIXS-AS-KR-KR - Korea TelecomNo ROA—5/31/2026
203.237.200.0/24AS4766KIXS-AS-KR-KR - Korea TelecomNo ROA—5/31/2026
203.237.218.0/24AS9318SKB-AS-KR - SK Broadband Co LtdNo ROA—5/31/2026
203.237.219.0/24AS9318SKB-AS-KR - SK Broadband Co LtdNo ROA—5/31/2026
203.237.220.0/24AS9318SKB-AS-KR - SK Broadband Co LtdNo ROA—5/31/2026
203.237.221.0/24AS9318SKB-AS-KR - SK Broadband Co LtdNo ROA—5/31/2026
203.237.222.0/24AS9318SKB-AS-KR - SK Broadband Co LtdNo ROA—5/31/2026
203.237.223.0/24AS9318SKB-AS-KR - SK Broadband Co LtdNo ROA—5/31/2026
203.237.190.0/24AS9318SKB-AS-KR - SK Broadband Co LtdNo ROA—5/31/2026
203.237.217.0/24AS9318SKB-AS-KR - SK Broadband Co LtdNo ROA—5/31/2026
203.237.226.0/24AS9318SKB-AS-KR - SK Broadband Co LtdNo ROA—5/31/2026
203.237.216.0/24AS9318SKB-AS-KR - SK Broadband Co LtdNo ROA—5/31/2026
203.237.175.0/24AS18031SANGMYUNG-AS-KR-KR - Sangmyung UniversityNo ROA—5/31/2026
203.237.174.0/24AS18031SANGMYUNG-AS-KR-KR - Sangmyung UniversityNo ROA—5/31/2026
203.237.173.0/24AS18031SANGMYUNG-AS-KR-KR - Sangmyung UniversityNo ROA—5/31/2026
203.237.172.0/24AS18031SANGMYUNG-AS-KR-KR - Sangmyung UniversityNo ROA—5/31/2026
203.237.171.0/24AS18031SANGMYUNG-AS-KR-KR - Sangmyung UniversityNo ROA—5/31/2026
203.237.170.0/24AS18031SANGMYUNG-AS-KR-KR - Sangmyung UniversityNo ROA—5/31/2026
203.237.169.0/24AS18031SANGMYUNG-AS-KR-KR - Sangmyung UniversityNo ROA—5/31/2026
203.237.168.0/24AS18031SANGMYUNG-AS-KR-KR - Sangmyung UniversityNo ROA—5/31/2026
203.237.201.0/24AS18329SMUC-AS-KR-KR - Sangmyung UniversityNo ROA—5/31/2026
203.237.251.0/24AS23586KCUE-AS-KR-KR - Korean Council for University EducationNo ROA—5/31/2026
203.237.254.0/24AS38694CJE-AS-KR-KR - CHEONGJU NATIONAL UNIVERSITY OF EDCATIONNo ROA—5/31/2026
203.237.255.0/24AS38694CJE-AS-KR-KR - CHEONGJU NATIONAL UNIVERSITY OF EDCATIONNo ROA—5/31/2026

IRR Route Objects

2
OriginRegistryMaintainerModified
AS3786RADBMAINT-AS378611/13/2023
AS4766RADBMAINT-AS476611/13/2023
Origin ASN
AS4766
KIXS-AS-KR-KR - Korea Telecom
Geolocation
Country🇰🇷South KoreaKR
RegionDaejeon
CityYongun-dong
Coordinates36.3328, 127.4610 ↗
API
Open
GEThttps://api.ipctl.io/v1/prefix/203.237.128.0/17

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

curl -s "https://api.ipctl.io/v1/prefix/203.237.128.0/17" | jq
External Links
RIPEstat Hurricane Electric BGP