Networking Tools

IPv4

CIDR Calculator
Lets you view and modify properties of an IPv4 CIDR Prefix

Inverse Address
Converts an IPv4 address to RFC1035 inverse address format and vice-versa

Output
0.2.0.192.IN-ADDR.ARPA

Integer Conversion
Converts an IPv4 address to a 32-bit integer, and vice-versa

Output
3221225984

Binary Conversion
Converts an IPv4 address to a 32-bit binary integer, and vice-versa

Output
11000000000000000000001000000000

Range to CIDR
Outputs CIDR for an IPv4 address range

Output
192.0.2.0/24

CIDR Mask to Decimal
Outputs decimal subnet mask from IPv4 CIDR Mask

Subnet Divider
Divides a subnet into smaller ones, useful for planning networks

Output
List of subnets...

IPv6

CIDR Calculator
Lets you view and modify properties of an IPv6 CIDR Prefix

Inverse Address
Converts an IPv6 address to RFC3596 inverse address format and vice-versa

Output
B.A.9.8.7.6.5.0.4.0.0.0.3.0.0.0.2.0.0.0.1.0.0.0.8.B.D.0.1.0.0.2.IP6.ARPA

Integer Conversion
Converts an IPv6 address to a 128-bit integer, and vice-versa

Output
42540766411283801819617932170448308651

Binary Conversion
Converts an IPv6 address to a 128-bit binary integer, and vice-versa

Output
00100000000000010000110110111000000000000000000100000000000000100000000000000011000000000000010000000101011001111000100110101011

Range to CIDR
no implementation
Outputs CIDR for an IPv6 address range

Output
2001:DB8::/32

Subnet Divider
Divides a subnet into smaller ones, useful for planning networks

Output
List of subnets...

IPv4-Mapped IPv6 Address Conversion
Converts between an IPv4 and IPv4-mapped IPv6 address, as per RFC4291 section 2.5.5.2.

Output
::FFFF:C000:201

Bandwidth

Data Transfer Calculator
no implementation
Estimate how long a file transfer will take