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Explains and analyzes Social Security Number formats for research and educational use.

Provides tools for exploring driver license number formats and encoding methods.

Checker for seeing whether a phone number or profile appears in Facebook-related breach data.

Free reverse phone lookup for checking names, voicemail, address clues, and other public number details.

Google Maps Scraper & Lead Generation Tool. Extract 50+ data points including business emails, phone numbers, and social profiles. Includes enrichment features, API access, and no recurring fees

Checks whether a phone number or email appears in Facebook-related data exposure collections.

ignorant allows you to check if a phone number is used on different sites like snapchat, instagram.

Generates sample IMEI numbers that can be used for software testing and demonstrations.

OSINT phone search hub with links and utilities for researching phone numbers across public lookup services.

ISSN National Centre for Peru

bnp.gob.pe

Numbering agency for periodicals and other serials published in Peru.

Numbering agency for periodicals and other serials published in Spain.

A Python implementation of a number of popular recommendation algorithms for both implicit and explicit feedback.

Database on corporations designated by corporate numbers, operated by the National Tax Agency of Japan.

Creates sample UK National Insurance Numbers for testing forms and software systems.

Public phone book archive for looking up older phone records, names, addresses, and numbers.

OSINT phone search page with links and methods for researching phone numbers across online sources.

Generates realistic-looking phone numbers for testing forms, demos, and sample data.

Bibliographic database of literature published in penny weekly numbers in London between 1837 and 1860.

Reverse phone lookup tool for finding caller names and basic public details from phone numbers.

Reverse phone lookup that searches public profiles and people-search records connected to a phone number.

Browser tool for testing RSA encryption, decryption, key values, and prime-number calculations.

A command line tool used to find the SnapChat usernames for known or unknown phone numbers

Phone number OSINT toolkit with multi-API search (Google, GitHub, Numverify, Reddit, DuckDuckGo) and automatic report generation.

Generates sample Canadian Social Insurance Numbers for testing applications and forms.