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get
/ip
Your IP as plain text
get
/json
Your IP with ISP/ASN/location
post
/api/batch
Look up 1-100 IPs
get
/api/whois/{query}
RDAP WHOIS for a domain, IP or ASN
get
/api/dns/{domain}
DNS records via Cloudflare DoH
get
/api/reverse-dns/{ip}
PTR lookup
get
/api/qr
Static QR code (SVG, or JSON with format=json)
get
/api/timestamp
Current time, or convert a Unix timestamp / date
get
/api/date-calc
Days between dates, or add/subtract days, weeks, months, years
get
/api/timezone
Convert a time between time zones (DST aware)
get
/api/random
Cryptographically secure random integers
get
/api/subnet
IPv4/IPv6 subnet calculator
get
/api/ip/{ip}
Validate and look up an IP
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Your IP as plain text
get
/ip
Request
Base URL:
https://www.ferntool.com
URL:
https://www.ferntool.com/ip
Auth:
none declared
Response
IP
Changes
No recorded changes to this operation across all 1 revision of this API.