Real engineering tools, not toy calculators.

Subnet & VLSM math, MikroTik RouterOS script generators, and CCTV sizing calculators - every result comes from a real formula or a real ported algorithm, never a guess.

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Network Tools

Real IP/subnet math backed by the Python stdlib ipaddress module - no approximations.

Subnet, CIDR-split & summarization calculator
VLSM planner with overlap-free allocation
MAC vendor lookup against the IEEE OUI registry
DNS lookup, reverse DNS, and WHOIS/RDAP
Live port scanner with WebSocket progress
Ping & traceroute
PoE voltage-drop & fiber loss budget

MikroTik Generators

Every generator emits valid RouterOS CLI you can paste straight into a terminal.

Firewall filter rule generator with safe baseline rules
Source NAT / masquerade & port-forward generator
VLAN + IP address generator
DHCP server, pool & network generator
WireGuard generator with genuine X25519 keypairs

CCTV Calculators

Industry-standard bitrate, optics, and electrical engineering formulas.

Camera bitrate & storage (bits-per-pixel model)
Bandwidth aggregation with uplink headroom
Lens field-of-view geometry
PoE power budget with derating
NVR channel/throughput/storage sizing
UPS runtime
RAID capacity & fault tolerance (0/1/5/6/10)