Network utilities · free Network tools for the
Network tools for the
people who run them.
Fast, accurate calculators for subnetting, PoE, optical fiber and more. No sign-up, no fluff. Built in Chile by integrators, for integrators.
Explore by topic
97 tools and 23 guides, organized by area. Jump into the topic you need — or search a tool directly below.
70V / 100V Line 70V speakers Airflow / CRAC CFM / CRAC Antenna & RF Gain / VSWR ASN Converter ASN 16/32-bit Audio Delay Delay / alignment Audio-over-IP (Dante) Dante / AES67 Availability & SLA Uptime / nines Bandwidth Transfer Base64 / Hex / URL Encoder Base64 / Hex Cabling Channel (TIA-568) Cabling / 100 m CCTV Lens & FOV Lens / DORI CCTV Project Multi-camera CCTV Storage Cameras / NVR CIDR Aggregator CIDR summary CIDR Table CIDR cheat sheet CIDR to Regex & Range CIDR → regex Coaxial Cable Loss Coax / dB Color Code (T568 / Fiber) T568A/B · fiber Conductor Ampacity Ampacity Conduit / Tray Fill Fill % Data Converter KiB ↔ KB dB Converter dB / ratio dBm / mW Converter dBm ↔ mW DC Battery Bank Batteries / Ah DHCP Scope DHCP pool DNS Lookup DNS lookup DNS Propagation DNS · resolvers DSCP / QoS Converter DSCP / ToS DWDM / CWDM Grid WDM / ITU Energy Cost & PUE Cost / PUE / CO₂ Entropy & Crack Time Entropy Erlang Calculator Erlang B/C Ethernet Frame & PPS Frame / PPS Fiber Latency µs / RTT Fiber Loss Budget Optical fiber Fiber Reach by Type OM/OS · reach Firewall Sizing (PPS) Firewall / pps Frequency & Wavelength f ↔ λ ↔ T Generator Sizing Genset kVA Hash / Checksum MD5 · SHA Hash Identifier Identify hash HDBaseT / HDMI Distance AV / HDBaseT HDMI / DP Bandwidth HDMI / DP Heat Load / BTU Room BTU IOPS with RAID Penalty IOPS / RAID IP Converter IP dec/bin/hex IPv6 Calculator IPv6 IPv6 Planner IPv6 subnets Jitter Buffer Jitter / mouth-ear JWT Decoder JWT Latency Budget Serialization Link Aggregation (LAG) LAG / LACP Load & Breaker Breaker / A MAC Toolkit MAC / EUI-64 MAC Vendor (OUI) OUI / vendor MTU / MSS Calculator MTU / MSS Multicast IP ↔ MAC Multicast My IP / IP Info My IP NAT / PAT Exhaustion NAT / PAT Optical Rx Margin Rx / sensitivity Password Generator Passwords Patch Panel Planner Ports / U PoE Budget PoE Budget Port Checker Ports Projector Throw Distance Projector Q-in-Q (802.1ad) Q-in-Q Rack Capacity Rack U RAID Capacity RAID Reverse PTR Zone PTR / rDNS Speaker Impedance Ω series/parallel Speaker SPL SPL / dB SPF / DKIM / DMARC Email auth Storage Growth Growth STP Cost / Root Bridge STP / RSTP Subnet Calculator Subnet / CIDR Subnet Divider (FLSM) Equal subnets Subnet Mask Converter Mask ↔ CIDR Subnet Overlap Overlap check TCP Throughput / BDP BDP / window Three-Phase Power kW / kVA / A Token Bucket (Shaping) CIR / Bc / Tc UPS Runtime UPS / battery UUID / ULID Generator UUID / ULID Video Bitrate Video bitrate Video Wall Video wall VLAN Decoder VLAN 802.1Q VLSM Planner VLSM VMS / NVR Server VMS · server Voice Codecs Codec / MOS VoIP Bandwidth VoIP Voltage Drop Wire / AWG WHOIS / RDAP WHOIS WiFi Airtime & Capacity Airtime WiFi Channel Planner WiFi channels WiFi PHY Rates (MCS) 802.11 MCS Wildcard Mask Wildcard / ACL Wireless Link RF link budget
No matches. Try another word.
IP Addressing 14 tools · 3 guides Subnets, masks, IPv6, NAT and address planning. Subnetting Without Tears Layer 2 7 tools · 1 guide Switching: MAC, VLANs, STP and link aggregation. Inside the Switch: MAC, VLANs & STP Wireless 6 tools · 2 guides WiFi, channels, airtime, radio links and antennas. WiFi That Performs: Channels, Rates & Airtime Optical fiber 6 tools · 2 guides Loss budgets, fiber types, WDM and latency. Optical Fiber Without Mystery Cabling 4 tools · 3 guides TIA-568 channel, categories, color code and conduit. Structured Cabling That Certifies Power 9 tools · 2 guides PoE, UPS, batteries, generators and electrical protection. PoE Without Surprises CCTV 4 tools · 1 guide Lenses and DORI, storage and video servers. CCTV Sized Right Datacenter 7 tools · 1 guide Racks, cooling, RAID/IOPS and availability. A Datacenter in One Room Performance 9 tools · 2 guides TCP throughput, MTU, QoS, frames and latency. TCP at Full Speed: MTU, Windows & BDP Voice 3 tools · 1 guide VoIP, codecs and trunk sizing. VoIP That Sounds Right AV 9 tools · 2 guides Video, HDMI/HDBaseT, 70V audio, SPL and projection. Pro Video: HDMI, HDBaseT & Video Walls Security 7 tools · 1 guide Passwords, hashes, tokens and encoding. Practical Security: Passwords, Hashes & Tokens Diagnostics 8 tools · 1 guide DNS, WHOIS, ports and email health. DNS & Network Troubleshooting Calculation 4 tools · 1 guide Unit, data and decibel converters. Decibels Without Drama
About
Built by people who actually install networks
These tools come from daily fieldwork: counting network drops, sizing fiber links, budgeting PoE, planning racks. We publish them for free because we use them ourselves and know what is missing.
A project by AISCNET TECNOLOGIAS — Networks, security and optical fiber integration. Chile.