Why Go
- Case Studies
  
  Common problems companies solve with Go
- Use Cases
  
  Stories about how and why companies use Go
- Security
  
  How Go can help keep you secure by default
Learn
Docs
- Effective Go
  
  Tips for writing clear, performant, and idiomatic Go code
- Go User Manual
  
  A complete introduction to building software with Go
- Standard library
  
  Reference documentation for Go's standard library
- Release Notes
  
  Learn what's new in each Go release
Packages
Community
- Recorded Talks
  
  Videos from prior events
- Meetups
  
  Meet other local Go developers
- Conferences
  
  Learn and network with Go developers from around the world
- Go blog
  
  The Go project's official blog.
- Go project
  
  Get help and stay informed from Go
- Get connected

ip

package

Go to main page

Versions in this module

v1

v1.2.0

Feb 18, 2024

Changes in this version

+ func IPv4ToInt(ipStr string) uint32

+ func IntToIPv4(ipInt uint32) string

type IPv4

+ func (ip *IPv4) Split(bits int) ([]*IPv4, error)

v1.1.0

Dec 26, 2023

Changes in this version

+ var ErrInvalidHexAddress = errors.New("invalid hexadecimal IPv4 address")

+ func IPv4ToBinary(ipStr string) string

+ func IPv4ToDecimal(ipStr string) string

+ func IPv4ToHex(ipStr string) string

+ func IsIPv4Hex(hexIP string) bool

+ func ParseIPv4FromHex(hexIP string) (string, error)

+ func ResolveIP(hostname string) (string, error)

v1.0.0

Dec 18, 2023

Changes in this version

+ var ErrInvalidNetmask = errors.New("invalid netmask")

+ func IsIPv4(s string) bool

+ func IsIPv6(s string) bool

+ func NetmaskPrefixLength(mask string) (int, error)

+ func ParseIP(s string) (net.IP, *net.IPNet, error)

+ type IPv4 struct

+ IP net.IP

+ Mask net.IPMask

+ Net *net.IPNet

+ func ParseIPv4(s string) (*IPv4, error)

+ func (ip *IPv4) Address() string

+ func (ip *IPv4) Broadcast() string

+ func (ip *IPv4) FirstHost() string

+ func (ip *IPv4) LastHost() string

+ func (ip *IPv4) Netmask() string

+ func (ip *IPv4) Network() string

+ func (ip *IPv4) NetworkSize() uint32

+ func (ip *IPv4) PrefixLength() int

+ func (ip *IPv4) String() string

+ func (ip *IPv4) UsableHosts() uint32

+ func (ip *IPv4) Wildcard() string