Best IP Monitoring Tools 

Pingdom

Cloud-based service

Uptime monitoring for websites

Tests from multiple locations

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SolarWinds ipMonitor

Tracks live network performance

Also monitors servers and applications

Endpoint availability check

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ManageEngine OpUtils

Includes an IP address manager

Detects all addresses in use

Reconciles to DHCP and DNS

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Angry IP Scanner

Free tool

Automatic network discovery

Connectivity reports

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Spiceworks IP Scanner

Discovers all connected devices

Live connection feedback

Free to use

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