Lets you view and modify properties of an IPv4 CIDR prefix
🔀 IPv4 subnet divider
Lets you divide an IPv4 subnet into several smaller subnets.
🔢 IPv4 range to CIDR
Generates a list of CIDR prefixes which cover a given IP range.
🔄 IPv4 address converter
Lets you convert IPv4 addresses in any supported format into other formats.
Supported formats:
- Dotted decimal (example: 192.0.2.1)
- CIDR (example: 192.0.2.1/32)
- Inverse DNS (example: 1.2.0.192.IN-ADDR.ARPA)
- Hexadecimal (example: C0000201)
- Integer (example: 3221225985)
- Binary (example: 11000000000000000000001000000001)
- IPv4-mapped IPv6 (example: ::ffff:c000:0201)
#️⃣ IPv6 CIDR calculator
Lets you view and modify properties of an IPv6 CIDR prefix
🔀 IPv6 subnet divider
Lets you divide an IPv6 subnet into several smaller subnets.
🔄 IPv6 address converter
Lets you convert IPv6 addresses in any supported format into other formats.
Supported formats:
- IPv6, short (example: 2001:DB8::FF)
- IPv6, long (example: 2001:0DB8:0000:0000:0000:0000:0000:00FF)
- CIDR (example: 2001:DB8::FF/128)
- Inverse DNS (example: F.F.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.8.B.D.0.1.0.0.2.IP6.ARPA)
- Hexadecimal (example: 20010DB80000000000000000000000FF)
- Integer (example: 42540766411282592856903984951653826815)
- Binary (example: 00100000000000010000110110111000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000011111111)
🔎 MAC OUI/vendor lookup
Looks up MAC address vendor information based on its OUI (Organizationally Unique Identifier).
🔄 MAC address converter
Lets you convert MAC addresses in any supported format into other formats.
Supported formats (both EUI-48 and EUI-64 are supported):
- Hexadecimal, delimited (example: 00-00-00-11-22-33 or 00:00:00:11:22:33)
- Hexadecimal, dot notation (example: 0000.0011.2233)
- Hexadecimal (example: 000000112233)
- Decimal (example: 1122867)
- Binary (example: 100010010001000110011)
- Byte string (example: {00,00,00,00,00,11,22,33})
- Link-local IPv6 (example: FE80::200:FF:FE11:2233)
IPv6
EUI-48
EUI-64
🔎 ASN / IP subnet lookup
Looks up BGP Autonomous System (AS) information and announced prefixes based on an ASN, IP address or announced CIDR prefix.