Internet Protocol Address Calculator is java applcation, it can help you calculate IP (IPv4, IPv6) address and Whois query.

1. Calculate IPv4/IPv6
You need input Start IP, Split Prefix and Total No of IP Address, then click the button "Calculate", the results include:
* Total Range
* Total usable IP Addresses
* Subnet
* Binary Subnet
* Broadcast Address
* Prefix
* Netmask (only IPv4)

2. Whois Query
* 1st level less specific
* All less specific
* 1st level more specific
* All more specific
* Exact match only
* Associated reverse domain

Inverse Queries: None: admin-c, "admin-c, tech-c, zone-c", author, cross-mnt, cross-nfy, local-as, mbrs-by-ref, member-of, mnt-by, mnt-lower, mnt-nfy, mnt-routes, notify, nserver, origin, person, referral-by, rev-srv, sub-dom, tech-c, upd-c, zone-c

Object Typs: All, as-block, as-set, aut-num, domain, filter-set,inet-rtr, inet6num, inetnum,irt, key-cert, mntner, peering-set, person, role, route, route-set, rtr-set

Query hints:
* Include "AS" in front of an AS number. Example: AS4808
* Include "-t" (template only) or "-v" (template and description) in front of an object name to view the template. Example: -t inetnum

Requirements:
* Java
* Internet connection

The license of this software is Free, you can free download and free use this ip utility software.