Networking
Work out addressing and subnetting for infrastructure you manage.
networking
Processing: API. Processed by cent-ai's API: sent to our server, held in memory, never stored.CIDR / Subnet Calculator
Calculate network address, broadcast address, netmask, and usable host range from IPv4 CIDR notation.
- subnet-math
- live-preview
networking
Processing: API. Processed by cent-ai's API: sent to our server, held in memory, never stored.DNS Lookup
Look up A, AAAA, CNAME, MX, TXT, and NS records for a hostname.
- a-record
- aaaa-record
- cname-record
- mx-record
- txt-record
- ns-record
networking
Processing: API. Processed by cent-ai's API: sent to our server, held in memory, never stored.IP Lookup
Classify an IPv4 or IPv6 address (public, private, loopback, link-local) and look up its reverse DNS.
- classify
- reverse-dns
networking
Processing: API. Processed by cent-ai's API: sent to our server, held in memory, never stored.HTTP Header Inspector
Fetch a URL's status code and response headers, following redirects and reporting the redirect chain.
- fetch-headers
- follow-redirects
- live-preview