Networking
IP tools, subnet calculators, DNS lookup, and more.
12 toolsBandwidth Calculator
Calculate data transfer time.
calculatorBinary to IP Address
Convert binary to IP address.
code-toolCIDR Calculator
CIDR Calculator. Free, instant, no signup.
code-toolDNS Record Generator
DNS Record Generator. Free, instant, no signup.
code-toolHTTP Header Parser
HTTP Header Parser. Free, instant, no signup.
code-toolIP Address Class Checker
Determine the class of an IPv4 address. Free, instant.
code-toolIP to Binary
IP to Binary. Free, instant, no signup.
calculatorMAC Address Formatter
Format MAC address in different styles.
code-toolCommon Port Reference
Common Port Reference. Free, instant, no signup.
calculatorPort Number Lookup
Port Number Lookup. Free, instant, no signup.
code-toolSubnet Calculator
Subnet Calculator. Free, instant, no signup.
calculatorSubnet Mask Calculator
Subnet Mask Calculator.
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