HomePrefix Lookup210.103.0.0/17

210.103.0.0/17

🇰🇷
IPv4APNICallocatedAS4766KIXS-AS-KR-KR - Korea TelecomNo ROA
CIDR
210.103.0.0/17
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
12/6/1997

Announced BGP Routes

1 of 1 route
RPKI:
IRR:
PrefixOrigin ASRPKIIRRLast Seen
210.103.0.0/17AS4766KIXS-AS-KR-KR - Korea TelecomNo ROA
RADB
5/31/2026

Covering Prefix

13 less-specific announcements
PrefixOrigin ASRPKIIRRLast Seen
210.103.16.0/23AS4766KIXS-AS-KR-KR - Korea TelecomNo ROA—5/31/2026
210.103.15.0/24AS4766KIXS-AS-KR-KR - Korea TelecomNo ROA—5/31/2026
210.103.63.0/24AS17841NCIA-AS-KR-KR - NATIONAL INFORMATION RESOURCES SERVICENo ROA—5/31/2026
210.103.72.0/24AS17841NCIA-AS-KR-KR - NATIONAL INFORMATION RESOURCES SERVICENo ROA—5/31/2026
210.103.81.0/24AS17841NCIA-AS-KR-KR - NATIONAL INFORMATION RESOURCES SERVICENo ROA—5/31/2026
210.103.82.0/24AS17841NCIA-AS-KR-KR - NATIONAL INFORMATION RESOURCES SERVICENo ROA—5/31/2026
210.103.83.0/24AS17841NCIA-AS-KR-KR - NATIONAL INFORMATION RESOURCES SERVICENo ROA—5/31/2026
210.103.53.0/24AS18323SNUBH-AS-KR-KR - Seoul National University Bundang HospitalNo ROA—5/31/2026
210.103.57.0/24AS18323SNUBH-AS-KR-KR - Seoul National University Bundang HospitalNo ROA—5/31/2026
210.103.25.0/24AS18333ATNET-AS-KR-KR - at(Korea Argo-Fisheries Food Trade Corporation)No ROA—5/31/2026
210.103.111.0/24AS45400NICNET-KR - Korea TelecomNo ROA—5/31/2026
210.103.115.0/24AS45400NICNET-KR - Korea TelecomNo ROA—5/31/2026
210.103.55.0/24AS45400NICNET-KR - Korea TelecomNo ROA—5/31/2026

IRR Route Objects

2
OriginRegistryMaintainerModified
AS4766RADBMAINT-AS476611/13/2023
AS17841RADBMAINT-AS34913/28/2025

More Specific Prefixes

23
PrefixASCountryStatus
210.103.64.0/20🇰🇷KRassigned
210.103.8.0/21🇰🇷KRassigned
210.103.56.0/21🇰🇷KRassigned
210.103.80.0/21🇰🇷KRassigned
210.103.104.0/21🇰🇷KRassigned
210.103.112.0/21🇰🇷KRassigned
210.103.32.0/21🇰🇷KRassigned
210.103.44.0/22🇰🇷KRassigned
210.103.96.0/22🇰🇷KRassigned
210.103.100.0/22🇰🇷KRassigned
210.103.120.0/22🇰🇷KRassigned
210.103.124.0/22🇰🇷KRassigned
210.103.16.0/22🇰🇷KRassigned
210.103.20.0/22🇰🇷KRassigned
210.103.40.0/22🇰🇷KRassigned
210.103.88.0/22🇰🇷KRassigned
210.103.92.0/22🇰🇷KRassigned
210.103.0.0/22🇰🇷KRassigned
210.103.4.0/22🇰🇷KRassigned
210.103.28.0/22🇰🇷KRassigned
210.103.24.0/22🇰🇷KRassigned
210.103.48.0/22🇰🇷KRassigned
210.103.52.0/22🇰🇷KRassigned
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/210.103.0.0/17

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

curl -s "https://api.ipctl.io/v1/prefix/210.103.0.0/17" | jq
External Links
RIPEstat Hurricane Electric BGP