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Class IPv4Prefix

Represents the prefix portion in the CIDR notation for representing IP ranges

The IPv4 prefix portion represents the mask. It is the number of continuous bits turned on (with value 1) counting from the left side of an 8 bit value.

{@see https://en.wikipedia.org/wiki/Classless_Inter-Domain_Routing} for more information on CIDR

Hierarchy

  • IPv4Prefix

Implements

Index

Constructors

Properties

Methods

Constructors

constructor

  • Constructor for an instance of IPv4 prefix from a decimal number

    Parameters

    • rawValue: number

      the decimal value to construct the IPv4 prefix from.

    Returns IPv4Prefix

    the instance of an IPv4 prefix

Properties

Private bitValue

bitValue: BigInteger = bigInt(32)

value

value: number

The decimal value of the 8bit number representing the prefix

Methods

getValue

  • getValue(): number

  • Gets the decimal value of the IPv4 prefix

    Returns number

    the decimal value of the IPv4 prefix

merge

split

Private toDecimalNotation

  • toDecimalNotation(bits: string): string

  • Parameters

    • bits: string

    Returns string

toMask

  • Converts the IPv4 prefix to a IPv4Mask

    The IPv4 mask is the representation of the prefix in the dot-decimal notation

    Returns IPv4Mask

    the mask representation of the prefix

toRangeSize

  • toRangeSize(): BigInteger

  • Returns the size (number of IP numbers) of range of this prefix

    Returns BigInteger

    the size (number of IP numbers) of range of this prefix

toString

  • toString(): string

  • Gets the decimal value of the IPv4 prefix as string

    Returns string

    The decimal value of the IPv4 prefix as string

Static fromNumber

  • Convenience method for constructing an instance of IPv4 prefix from a decimal number

    Parameters

    • rawValue: number

      the decimal value to construct the IPv4 prefix from.

    Returns IPv4Prefix

    the instance of an IPv4 prefix

Static fromRangeSize

  • fromRangeSize(rangeSize: BigInteger): IPv4Prefix

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