HomePrefix Lookup210.103.128.0/17

210.103.128.0/17

🇰🇷
IPv4APNICassignedAS9848SejongTelecom-AS-KR-KR - SEJONG NETWORKSNo ROA
CIDR
210.103.128.0/17
IP Version
IPv4
Addresses
32.7K
Mask
/17 (255.255.128.0)
Country
🇰🇷 South Korea
City
Gwacheon-si (Gwacheon-daero)
RIR
APNIC
Status
assigned
Allocated
-

Announced BGP Routes

1 of 1 route
RPKI:
IRR:
PrefixOrigin ASRPKIIRRLast Seen
210.103.128.0/17AS9848SejongTelecom-AS-KR-KR - SEJONG NETWORKSNo ROA
RADB
5/31/2026

Covering Prefix

25 less-specific announcements
PrefixOrigin ASRPKIIRRLast Seen
210.103.247.0/24AS10158KAKAO-10158-AS-KR-KR - Kakao CorpNo ROA—5/31/2026
210.103.246.0/24AS10158KAKAO-10158-AS-KR-KR - Kakao CorpNo ROA—5/31/2026
210.103.245.0/24AS10158KAKAO-10158-AS-KR-KR - Kakao CorpNo ROA—5/31/2026
210.103.244.0/24AS10158KAKAO-10158-AS-KR-KR - Kakao CorpNo ROA—5/31/2026
210.103.243.0/24AS10158KAKAO-10158-AS-KR-KR - Kakao CorpNo ROA—5/31/2026
210.103.242.0/24AS10158KAKAO-10158-AS-KR-KR - Kakao CorpNo ROA—5/31/2026
210.103.240.0/24AS10158KAKAO-10158-AS-KR-KR - Kakao CorpNo ROA—5/31/2026
210.103.241.0/24AS10158KAKAO-10158-AS-KR-KR - Kakao CorpNo ROA—5/31/2026
210.103.254.0/24AS10178KAKAOPAY-AS-KR-KR - Kakaopay CorpNo ROA—5/31/2026
210.103.253.0/24AS10178KAKAOPAY-AS-KR-KR - Kakaopay CorpNo ROA—5/31/2026
210.103.203.0/24AS23593BKLNETWORK-AS-KR-KR - bkl LLCNo ROA—5/31/2026
210.103.152.0/24AS38676FLEXNET-AS-KR-KR - flexnetworksNo ROA—5/31/2026
210.103.176.0/24AS38676FLEXNET-AS-KR-KR - flexnetworksNo ROA—5/31/2026
210.103.155.0/24AS38676FLEXNET-AS-KR-KR - flexnetworksNo ROA—5/31/2026
210.103.154.0/24AS38676FLEXNET-AS-KR-KR - flexnetworksNo ROA—5/31/2026
210.103.153.0/24AS38676FLEXNET-AS-KR-KR - flexnetworksNo ROA—5/31/2026
210.103.138.0/24AS131866DEK-AS-KR-KR - Digital Edge KoreaNo ROA—5/31/2026
210.103.137.0/24AS131866DEK-AS-KR-KR - Digital Edge KoreaNo ROA—5/31/2026
210.103.188.0/24AS131866DEK-AS-KR-KR - Digital Edge KoreaNo ROA—5/31/2026
210.103.187.0/24AS131866DEK-AS-KR-KR - Digital Edge KoreaNo ROA—5/31/2026
210.103.189.0/24AS131866DEK-AS-KR-KR - Digital Edge KoreaNo ROA—5/31/2026
210.103.190.0/24AS131866DEK-AS-KR-KR - Digital Edge KoreaNo ROA—5/31/2026
210.103.191.0/24AS131866DEK-AS-KR-KR - Digital Edge KoreaNo ROA—5/31/2026
210.103.143.0/24AS131866DEK-AS-KR-KR - Digital Edge KoreaNo ROA—5/31/2026
210.103.142.0/24AS131866DEK-AS-KR-KR - Digital Edge KoreaNo ROA—5/31/2026

IRR Route Objects

1
OriginRegistryMaintainerModified
AS9848RADBMAINT-AS463711/13/2023

More Specific Prefixes

3
PrefixASCountryStatus
210.103.128.0/18🇰🇷KRallocated
210.103.224.0/19🇰🇷KRallocated
210.103.192.0/19🇰🇷KRallocated
Origin ASN
AS9848
SejongTelecom-AS-KR-KR - SEJONG NETWORKS
Geolocation
Country🇰🇷South KoreaKR
RegionGyeonggi-do
CityGwacheon-si (Gwacheon-daero)
Coordinates37.4041, 126.9780 ↗
API
Open
GEThttps://api.ipctl.io/v1/prefix/210.103.128.0/17

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

curl -s "https://api.ipctl.io/v1/prefix/210.103.128.0/17" | jq
External Links
RIPEstat Hurricane Electric BGP