Network tools that just work.
Fast, practical tools for calculating, planning, looking up and analysing the things network engineers deal with every day.
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Every tool. One place.
Individual tools, organised by engineering discipline.
Subnet Calculator
Calculate network, broadcast, usable hosts, mask and wildcard from IPv4/CIDR.
IP & SubnettingIPv6 Subnet Calculator
Calculate IPv6 network boundaries, address counts and divide prefixes into practical subnets.
IP & SubnettingIP / CIDR Converter
Convert CIDR prefixes and dotted-decimal subnet masks, including their wildcard masks.
IP & SubnettingIP Range Calculator
Calculate address counts and spans between two IPv4 addresses.
IP & SubnettingIPv4 Address Calculator
View an IPv4 address as decimal, integer, hexadecimal and binary.
IP & SubnettingVLAN Planner
Split a parent network into practical VLAN-sized subnets.
SwitchingNetwork Topology Diagram Generator
Build and export practical network diagrams with switches, routers, firewalls and links.
SwitchingWi-Fi Channel Planner
Build a channel and width plan based on AP count, density and regulatory region.
WirelessNetwork Performance Test
Measure throughput, latency, jitter and connection quality in your browser using public test infrastructure.
DiagnosticsPublic IP & ISP Lookup
See the public IP address presented by your connection, ISP, ASN and network details.
DiagnosticsIP Address Lookup
Investigate an IPv4 or IPv6 address for ownership, ASN, reverse DNS and network details.
DiagnosticsMAC / OUI Lookup
Identify vendors from a MAC address using the local OUI database.
IdentityPort & Protocol Lookup
Check common TCP and UDP ports and their associated services.
ProtocolsDNS Record Lookup
Query common DNS record types using DNS-over-HTTPS.
ProtocolsPacket Capture Analyser
Inspect packet captures, conversations, protocols and network-health indicators.
AnalysisNmap / Zenmap Scan Analyser
Analyse Nmap XML exports for hosts, open ports, services and engineering findings.
AnalysisSPF / DKIM / DMARC Inspector
Inspect email authentication DNS records and identify potentially incorrect configurations.
AnalysisDNS Record Generator
Build copy-ready SPF, DMARC, DKIM and common DNS records.
ProtocolsCertificate Converter & Inspector
Convert PEM and DER certificates, inspect X.509 details and export certificate chains locally in your browser.
Cyber SecurityUseful tools without the ceremony.
Ingenix is a growing collection of practical network-engineering utilities and guides. The goal is simple: solve the small problems quickly, keep browser-based analysis private where possible, and make the tools useful enough to keep open in your engineering toolkit.