Network Tools
11 toolsNetwork analysis and utility tools including IP address lookup, subnet calculation, DNS queries, and header inspection.
Professional IPv4 Converter
Convert IPv4 addresses between dot-decimal, binary, hexadecimal, octal, and decimal (long) formats. Includes class detection and IPv6 mapping.
Professional IPv4 Range Expander
Expand CIDR blocks and IP ranges into full lists of addresses. Calculate network, broadcast, and usable hosts instantly. High performance local processing.
Professional IPv4 to IPv6 Converter
Convert IPv4 addresses to various IPv6 mapped and transition formats. Supports IPv4-Mapped, 6to4, NAT64, and hexadecimal representations. 100% private.
IPv6 ULA Prefix Generator
Generate RFC 4193 compliant IPv6 Unique Local Addresses (ULA) instantly. Create random 40-bit Global IDs and 16-bit Subnet IDs for private networking. 100% private.
MAC Address & Vendor Inspector
Identify device manufacturers and decode MAC properties with the IEEE OUI database, U/L and I/G bit-flag detection, and batch lookup — local.
IPv4 Subnet Calculator
Calculate IPv4 subnets from CIDR with a 32-bit binary map, VLSM designer for optimal allocation, and CIDR aggregation for summarization — local.
DNS Lookup
Query DNS records for any domain using Cloudflare DNS-over-HTTPS. Look up A, AAAA, CNAME, MX, TXT, NS, SOA, and SRV records with SPF/DMARC analysis.
What Is My IP
See your public IP address, geolocation, ISP, ASN, and connection details instantly, plus a WebRTC leak test for VPN users — nothing logged.
Ping Tool
TCP handshake and HTTP TTFB ping from Cloudflare edge. Real-time latency chart, jitter analysis, packet loss stats, and terminal-style output.
Internet Speed Test
Measure download speed, upload speed, and latency using Cloudflare edge servers. Includes jitter analysis, adaptive payload sizing, and visual gauges.
WHOIS Domain Lookup
Query domain registration details via RDAP — registrar, expiration dates with countdown, nameservers, DNSSEC status, and contact information.