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What is my IP address
Just another "what is my IP address" service, including geolocation and headers information, written in go with high performance in mind, it uses gin which uses httprouter a lightweight high performance HTTP multiplexer.
Take a look at ifconfig.es a live site using whatismyip
Get your public IP easily from the command line:
curl ifconfig.es
127.0.0.1
curl -6 ifconfig.es
::1
Features
- TLS and HTTP/2.
- Can run behind a proxy by trusting a custom header (usually
X-Real-IP) to figure out the source IP address. It also supports a custom header to resolve the client port, if the proxy can only add a header for the IP (for example a fixed header from CDNs) the client port is shown as unknown. - IPv4 and IPv6.
- Geolocation info including ASN. This feature is possible thanks to maxmind GeoLite2 databases. In order to use these databases, a license key is needed. Please visit Maxmind site for further instructions and get a free license.
- High performance.
- Self-contained server what can reload GeoLite2 databases and/or SSL certificates without stop/start. The
hupsignal is honored. - HTML templates for the landing page.
- Text plain and JSON output.
Endpoints
- https://ifconfig.es/
- https://ifconfig.es/client-port
- https://ifconfig.es/json (this is the same as
curl -H "Accept: application/json" https://ifconfig.es/) - https://ifconfig.es/geo
- https://ifconfig.es/asn
- https://ifconfig.es/all
- https://ifconfig.es/headers
- https://ifconfig.es/<header_name>
Build
Golang >= 1.17 is required. Previous versions may work.
make build
Usage
Usage of whatismyip:
-bind string
Listening address (see https://pkg.go.dev/net?#Listen) (default ":8080")
-enable-secure-headers
Add sane security-related headers to every response
-geoip2-asn string
Path to GeoIP2 ASN database
-geoip2-city string
Path to GeoIP2 city database
-template string
Path to template file
-tls-bind string
Listening address for TLS (see https://pkg.go.dev/net?#Listen)
-tls-crt string
When using TLS, path to certificate file
-tls-key string
When using TLS, path to private key file
-trusted-header string
Trusted request header for remote IP (e.g. X-Real-IP). When using this feature if -trusted-port-header is not set the client port is shown as 'unknown'
-trusted-port-header string
Trusted request header for remote client port (e.g. X-Real-Port). When this parameter is set -trusted-header becomes mandatory
-version
Output version information and exit
Examples
Run a default TCP server
./whatismyip -geoip2-city ./test/GeoIP2-City-Test.mmdb -geoip2-asn ./test/GeoLite2-ASN-Test.mmdb
Run a TLS (HTTP/2) server only
./whatismyip -geoip2-city ./test/GeoIP2-City-Test.mmdb -geoip2-asn ./test/GeoLite2-ASN-Test.mmdb \
-bind "" -tls-bind :8081 -tls-crt ./test/server.pem -tls-key ./test/server.key
Run a default TCP server with a custom template and trust a pair of custom headers set by an upstream proxy
./whatismyip -geoip2-city ./test/GeoIP2-City-Test.mmdb -geoip2-asn ./test/GeoLite2-ASN-Test.mmdb \
-trusted-header X-Real-IP -trusted-port-header X-Real-Port -template mytemplate.tmpl
Download
Download latest version from https://github.com/dcarrillo/whatismyip/releases
Docker
An ultra-light (~10MB) image is available at docker hub.
Run a container locally using test databases
make docker-run
From Docker Hub
docker run --tty --interactive --rm \
-v $PWD/<path to city database>:/tmp/GeoIP2-City-Test.mmdb:ro \
-v $PWD/<path to ASN database>:/tmp/GeoLite2-ASN-Test.mmdb:ro -p 8080:8080 \
dcarrillo/whatismyip:latest \
-geoip2-city /tmp/GeoIP2-City-Test.mmdb \
-geoip2-asn /tmp/GeoLite2-ASN-Test.mmdb