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Version
1.2
Size
1.85 Mb
Updated
1 month ago
Released
20 Feb 2022
Description
CIDR Trainer trains users to perform network subnet calculations. It uses directed training drills while providing documentation to instruct users to perform each step of network subnetting calculations.
CIDR Trainer includes IPv4 and IPv6 CIDR calculators.
Version 1.1 includes the following categories of drills:
1-digit hexadecimal and binary drills
2-digit hexadecimal and binary drills
IPv4 terminology drills
IPv4 prefix-length drills
IPv4 CIDR drills
IPv6 Address Shortening and Lengthening Drills
IPv6 Terminology Drills
IPv6 CIDR Drills
IPv4 and IPv6 CIDR Calculators
You may try each training drill for free 20 times. After that you may try the other drills or purchase a permanent unlock of all training drills for a low price (see in-app purchases for the "forever full-unlock" price in your region). One purchase unlocks all versions of the app (iOS, iPadOS, and MacOS). CIDR Trainer uses iCloud to sync drill progress between your devices.
Each training drill has a "help" button in the top-right which provides related documentation
Full list of drills: (you may try them in any order)
1-digit hex -> decimal
1-digit decimal -> hex
1-digit hex -> binary
Binary -> 1-digit hex
4-digit binary -> decimal
Decimal -> 4-digit binary
1-bit AND
2-digit hexadecimal -> decimal (easy multiples of 16)
Decimal -> 2-digit hexadecimal (easy multiples of 16)
2-digit hexadecimal -> binary
binary -> 2-digit hexadecimal
2-digit hexadecimal -> decimal
Decimal -> 2-digit hexadecimal
8-digit binary -> decimal
Decimal -> 8-digit binary
8-bit AND
Valid IPv4 address recognition
IPv4 address types
IPv4 prefix-length to binary netmask
IPv4 binary netmask to prefix-length
IPv4 prefix-length to hexadecimal netmask
IPv4 hexadecimal netmask to prefix-length
IPv4 prefix-length to dotted-decimal netmask
IPv4 dotted-decimal netmask to prefix-length
IPv4 CIDR Drills:
Number of IPs in a CIDR
Number of usable unicast IPs in a CIDR
CIDR to network address in binary
CIDR to network address in decimal
Well-formed CIDR to broadcast address
Well-formed CIDR to first usable IP address
Well-formed CIDR to last usable IP address
IPv6 Address Shortening and Lengthening Drills:
IPv6 Hextet Shortening
IPv6 Hextet Lengthening
IPv6 Eight Hextet Shortening
IPv6 Eight Hextet Lengthening
IPv6 Double Colon Shortening
IPv6 Double Colon Lengthening
IPv6 Address Shortening
IPv6 Address Lengthening
IPv6 Address Types
Valid IPv6 Sextets
Valid IPv6 Addresses
IPv6 CIDR (prefix / 16) drill
IPv6 CIDR (prefix / 4) drill
IPv6 CIDR (any prefix) drill
IPv4 CIDR Calculator
IPv6 CIDR Calculator
Estimates
Availability
Devices
iPhone5s
iPadAir
iPadAirCellular
iPadMiniRetina
iPadMiniRetinaCellular
iPhone6
iPhone6Plus
iPadAir2
iPadAir2Cellular
iPadMini3
iPadMini3Cellular
iPodTouchSixthGen
iPhone6s
iPhone6sPlus
iPadMini4
iPadMini4Cellular
iPadPro
iPadProCellular
iPadPro97
iPadPro97Cellular
iPhoneSE
iPhone7
iPhone7Plus
iPad611
iPad612
iPad71
iPad72
iPad73
iPad74
iPhone8
iPhone8Plus
iPhoneX
iPad75
iPad76
iPhoneXS
iPhoneXSMax
iPhoneXR
iPad812
iPad834
iPad856
iPad878
iPadMini5
iPadMini5Cellular
iPadAir3
iPadAir3Cellular
iPodTouchSeventhGen
iPhone11
iPhone11Pro
iPadSeventhGen
iPadSeventhGenCellular
iPhone11ProMax
iPhoneSESecondGen
iPadProSecondGen
iPadProSecondGenCellular
iPadProFourthGen
iPadProFourthGenCellular
iPhone12Mini
iPhone12
iPhone12Pro
iPhone12ProMax
iPadAir4
iPadAir4Cellular
iPadEighthGen
iPadEighthGenCellular
iPadProThirdGen
iPadProThirdGenCellular
iPadProFifthGen
iPadProFifthGenCellular
iPhone13Pro
iPhone13ProMax
iPhone13Mini
iPhone13
iPadMiniSixthGen
iPadMiniSixthGenCellular
iPadNinthGen
iPadNinthGenCellular
iPhoneSEThirdGen
iPadAirFifthGen
iPadAirFifthGenCellular
iPhone14
iPhone14Plus
iPhone14Pro
iPhone14ProMax
iPadTenthGen
iPadTenthGenCellular
iPadPro11FourthGen
iPadPro11FourthGenCellular
iPadProSixthGen
iPadProSixthGenCellular
Pricing by country
| Country | Price |
|---|---|
| Canada | free |
| China | free |
| France | free |
| Germany | free |
| Italy | free |
| Netherlands | free |
| Portugal | free |
| Spain | free |
| UK | free |
| India | free |
| Japan | free |
| Korea, Republic Of | free |
| Poland | free |
| Russia | free |
| Turkey | free |
| USA | free |
| Ukraine | free |
