Class C Ip Checker

Enter up to 40 Domains (Each Domain must be on separate line)



About Class C Ip Checker

Class C IP Checker – Free SEO & Hosting Analysis Tool

What is a Class C IP Checker?

This advanced SEO and backlink analysis tool identifies whether multiple domains share the same Class C IP range (first 3 octets, e.g., 192.168.1.XXX). Critical for detecting:
✔ Private Blog Networks (PBNs) – Google penalizes interconnected sites
✔ Hosting-based relationships – Reveals hidden site connections
✔ Spam risks – IP neighborhoods with malicious domains

Why Check Class C IPs?

✅ Avoid Google Penalties – Google's guidelines prohibit manipulative hosting setups
✅ Competitor Research – Uncover their hosting strategies
✅ Backlink Audits – Detect toxic PBN links
✅ Site Migration Safety – Prevent moving to spammy IP ranges

Key Features

✔ Multi-Domain Comparison – Check up to 20 URLs simultaneously
✔ IP Neighborhood Analysis – See other sites on the same subnet
✔ Hosting Provider Data – Identifies shared server environments
✔ Spam Risk Scoring – Rates IP reputation using Spamhaus data

Who Needs This Tool?

  • SEO Agencies auditing backlink profiles

  • Website Buyers verifying domain history

  • IT Security Teams investigating suspicious networks

  • Hosting Companies monitoring IP reputation

  • Digital Marketers avoiding bad neighborhoods

How It Works

  1. Enter Domain(s) – Check individual sites or competitor lists

  2. Run IP Analysis – Scans:

    • First 3 IP octets (Class C range)

    • Hosting provider (e.g., Bluehost, AWS)

    • Nearby domains on the subnet

  3. Get Risk Report With:

    • PBN probability score

    • Spam-listed IP warnings

    • Recommended actions

Critical Class C IP Red Flags