Network & IP

What Is a Native IP and How to Check Your Server's IP Location

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A native IP is an address that is registered to a network in the same country where the server physically runs, so whois records and geolocation databases show that country. You can check any server's IP location in a minute with whois and a geolocation lookup, as shown below. JUSTG cloud VPS in Tokyo and Seoul come with native Japanese and Korean IPv4 addresses.

Native IP vs broadcast IP

	Native IP	Broadcast IP
Registration	Registered to a network in the country where the server is	Registered in one country, but announced and used in another
whois country	Matches the server's real location	Often shows the registration country, not the server's location
Geolocation databases	Usually agree with each other	Different databases may show different countries

A broadcast IP is not "bad": the server still works. The problem is consistency. If your users, a game platform or an API provider see your IP in a different country from the one you chose, region-based features and content can behave unexpectedly. A native IP avoids that mismatch.

Step 1: Find your server's public IP

curl -4 -s https://ipinfo.io/ip
ip -6 addr show scope global

The first command prints your public IPv4 address. The second lists your global IPv6 addresses. Your IPs are also shown on the service page in the client area.

Step 2: Check the registration with whois

whois shows who the address block is registered to and in which country. Replace 203.0.113.10 with your IP:

whois 203.0.113.10 | grep -i -E 'country|netname|descr'

If whois is not installed, install it first (Debian/Ubuntu or Rocky Linux/AlmaLinux):

apt install -y whois
dnf install -y whois

For a native Japanese IP you expect country: JP; for a native Korean IP, country: KR. The netname and descr lines show the network that holds the block.

Step 3: Check the geolocation

Geolocation databases are what most websites and apps actually use to decide where an IP is. A typical lookup looks like this:

curl -s https://ipinfo.io/203.0.113.10

The response is JSON, for example:

{
  "ip": "203.0.113.10",
  "city": "Tokyo",
  "region": "Tokyo",
  "country": "JP",
  ...
}

Compare two or three different geolocation services. If they all show the same country as whois, the IP is consistent.

Databases can lag. Geolocation databases are updated on their own schedules. When an IP block has recently moved to a new network or country, some databases may still show the old location for a while. Most lookup services have a form for submitting a correction.

JUSTG native IPs in Tokyo and Seoul

Cloud VPS (Tokyo and Seoul): every plan includes 1 native Japanese or Korean IPv4 address, registered and geolocated in Japan or Korea, plus free IPv6. Order: Tokyo cloud server, Seoul cloud server.
Dedicated servers: Tokyo and Seoul servers start from $199/mo, with /24 options for larger IP needs. Seoul servers use the KT network with native Korean IPs.
Network: Tokyo and Seoul use Asia-optimized routes with a 500 Mbps port on cloud VPS.

A native IP describes where the address is registered and located. It does not guarantee access to any third-party website, app or service, which set their own rules.

FAQ

Why does one website show my IP in the wrong country?

That site probably uses a geolocation database that has not been updated yet. Check with two or three other services, and if most of them are correct, submit a correction to the service that is wrong.

Can I test a Tokyo or Seoul IP before I buy?

Yes. Open a ticket to request a test server, then run the whois and geolocation checks above yourself.

Does moving my VPS to another location keep the same IP?

No. A self-service location change between Tokyo, Seoul and Moscow gives you a new IP address in the new location, and the old VPS is deleted.

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