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Network info

Describe an IP address: family, scope, class, reverse name and reserved ranges.

Input

Fill in the fields below, then run the tool.

IP address or hostname

Processed on the server and never stored. Press Ctrl/⌘ + Enter to run.

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About this tool

Describe an IP address: family, scope, class, reverse name and reserved ranges.

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Convert between bit and byte rates and work out the transfer time of a file.

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Resolve a hostname to its A and AAAA records.

Email header analyzer

Follow the Received chain hop by hop and check the authentication headers.

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Version 0.1.0

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APCA contrast calculator Color
Colour blindness simulator Color
Colour contrast checker Color
Color converter Color
Colour mixer Color
Colour name finder Color
Colour shades generator Color
CSS gradient generator Color
OKLCH colour converter Color
Random palette generator Color
Aspect ratio calculator Design
Border radius generator Design
Box shadow generator Design
PX to REM converter Design
Base64 toolbox Data processing
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CSV to JSON converter Data processing
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XML to JSON converter Data processing
YAML to TOML Data processing
YAML Validator & Formatter Data processing
Palindrome checker Text analysis
Binary text translator Text analysis
Text case converter Text analysis
Character frequency counter Text analysis
Find and replace Text analysis
HTML to Markdown Text analysis
Keyword extractor Text analysis
Markdown formatter Text analysis
Markdown linter Text analysis
Markdown to HTML Text analysis
Markdown to plain text Text analysis
Readability score Text analysis
Regex explainer Text analysis
Regex tester Text analysis
ROT13 and Caesar cipher Text analysis
String escape and unescape Text analysis
Subtitle tools Text analysis
Trim lines Text analysis
Sort lines Text analysis
Word counter Text analysis
Unicode inspector Text analysis
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CSR Decoder Security
ECDSA key pair generator Security
Ed25519 key pair generator Security
Email Address Validator Security
EXIF Metadata Stripper Security
File Encryptor (AES) Security
Hash Comparison Security
Hash generator Security
HMAC generator Security
JWT Decoder Security
JWT Signer Security
JWT Validator Security
Password generator Security
Password strength checker Security
PEM Certificate Inspector Security
RSA key pair generator Security
security.txt Generator Security
SQL Injection Detector Security
SSH Key Pair Generator Security
Text Encryptor Security
Random Token Generator Security
TOTP Generator Security
Bandwidth calculator Network & API
curl to code Network & API
DNS lookup Network & API
Email header analyzer Network & API
HTTP header builder Network & API
HTTP header parser Network & API
IPv6 expander Network & API
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