IPv4 address
203.247.193.155
An address in Seoul, South Korea, announced by KISTI (AS1237). It's a VPN exit and a web server on ports 80 and 443.
Summary
Geolocation
Where the address is, and what that place uses.
- City
- Seoul
- Region
- Seoul
- Postal code
- 03141
- Country
- South Korea
- Continent
- Asia
- Coordinates
- 37.5660, 126.9784
- Timezone
- Asia/Seoul
Ownership
Who holds the address: the AS announcing it, the registry record, the abuse contact and its name in DNS.
- Company
- KISTI
- Domain
- kreonet.net
- Type
- Education
- Registered in
- South Korea
- AS number
- AS1237
- Name
- KISTI
- Prefix
- 203.247.192.0/20
- RPKI
- Valid
- Type
- Education
- Domain
- kreonet.net
- Registered in
- South Korea
- Name
- KISTI
- Network name
- KREONet
- Status
- ALLOCATED PORTABLE
- Registry
- APNIC
- Domain
- nic.or.kr
- Abuse
- irt@nic.or.kr
- Name
- KISTI
- noc@kreonet.net
- Network
- 203.247.192.0-203.247.223.255
Anonymity
Whether the address hides someone else: a VPN, Tor, a relay, a proxy pool, or a hosting range.
Network
What kind of network it is on: a mobile carrier, a satellite operator, an anycast service, a CDN edge.
Services
What our own internet-wide measurement found listening on it.
- 80 status
- 302
- 80 redirect
- https://tcloud1.tu.ac.kr/
- 80 seen
- 2026-08-11 to 2026-10-26
- 443 status
- 302
- 443 redirect
- /logon/LogonPoint/index.html
- 443 TLS
- TLSv1.2
- 443 certificate
- *.tu.ac.kr
- 443 issuer
- C=GB, ST=Greater Manchester, L=Salford, O=Sectigo Limited, CN=Sectigo RSA Domain Validation Secure Server CA
- 443 browser-trusted
- No
- 443 seen
- 2026-08-10 to 2026-10-23
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01 · License
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