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InternetData
IPv4 address

203.181.247.103

An address in Tokyo, Japan, used by National Agency for Automobile and Land Transport Technology, announced by Research Organization of Information and Systems, National Institute of Informatics (AS2907). It's a web server on port 443.

Summary

Ownership
203.181.192.0/18
s26webfs1.ntsel.go.jp
Used by National Agency for Automobile and Land Transport Technology

No VPN, Tor, relay, proxy or hosting

No mobile carrier, anycast or CDN

  • WebPort 443

Geolocation

Where the address is, and what that place uses.

City
Tokyo
Region
Tokyo
Postal code
100-0001
Country
Japan
Continent
Asia
Timezone
Asia/Tokyo

Ownership

Who holds the address: the AS announcing it, the registry record, the abuse contact and its name in DNS.

Company
National Agency for Automobile and Land Transport Technology
Domain
ntsel.go.jp
Type
Government
Registered in
Japan
AS number
AS2907
Name
Research Organization of Information and Systems, National Institute of Informatics
Prefix
203.181.192.0/18
RPKI
Not found
Type
Education
Domain
sinet.ad.jp
Registered in
Japan
Name
National Agency for Automobile and Land Transport Technology
Network name
NTSEL-NET
Registry
JPNIC
Domain
ntsel.go.jp
Name
Research Organization of Information and Systems, National Institute of Informatics
Phone
+81-3-4212-2265
Address
2-1-2 Hitotsubashi, Chiyoda-ku, Tokyo 101-8430, Japan
Network
203.181.192.0-203.181.255.255
Hostname
s26webfs1.ntsel.go.jp
Not seen inIP RWHOIS

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.

443 status
200
443 title
Proself
443 TLS
TLSv1.3
443 certificate
*.ntsel.go.jp · NATIONAL AGENCY FOR AUTOMOBILE AND LAND TRANSPORT TECHNOLOGY
443 issuer
C=BE, O=GlobalSign nv-sa, CN=GlobalSign GCC R46 OV TLS CA 2025
443 browser-trusted
Yes
443 seen
2026-08-02 to 2026-10-23
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01 · License

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