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Professional MAC Address Lookup & Network Analysis Tools

Supported formats: IPv4 (192.168.1.1), IPv4 networks (192.168.1.0/24), IPv6 (2001:db8::1), IPv6 networks (2001:db8::/32), MAC (00:1A:2B:12:34:56, 00-1A-2B-12-34-56, 001A2B123456)
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Network Analysis Tools for Professionals

MAC Address Lookup

MAC address lookup identifies device manufacturers using the IEEE OUI database. Essential for network troubleshooting and asset inventory.

Formats: 00:1A:2B:12:34:56, 00-1A-2B-12-34-56, 001A.2B12.3456

IP Address Geolocation

IP address lookup provides geolocation data, ISP information, and organization details for both IPv4 and IPv6 addresses.

Examples: 8.8.8.8, 2001:4860:4860::8888

Network Calculations

IP network analysis calculates subnet information, host ranges, and network boundaries for CIDR notation inputs.

Examples: 192.168.1.0/24, 2001:db8::/32

Learn About IP Addressing Standards

Discover the different IP address ranges and their purposes defined in various RFCs

RFC 1918 Private Addresses
RFC 1918
10.0.0.0/8, 172.16.0.0/12, 192.168.0.0/16 - Private network addressing
CG-NAT Addresses
RFC 6598
100.64.0.0/10 - Carrier-Grade NAT shared address space
Loopback Addresses
RFC 5735
127.0.0.0/8 - Localhost and loopback communication
APIPA Link-Local
RFC 3927
169.254.0.0/16 - Automatic Private IP Addressing
Multicast Addresses
RFC 1112
224.0.0.0/4 - IPv4 multicast group communication
IPv6 Link-Local
RFC 4291
fe80::/10 - IPv6 link-local addressing

Learn About Special MAC Addresses

Discover the special MAC addresses defined in various RFCs and IEEE standards

Private & Randomized
RFC 7844, IEEE 802.11-2016
Apple, Android privacy MAC addresses used to prevent tracking
IPv4 Multicast
RFC 1112
01:00:5E range used for IPv4 multicast traffic
IPv6 Multicast
RFC 2464
33:33 range used for IPv6 multicast and neighbor discovery
Broadcast Address
IEEE 802.3
FF:FF:FF:FF:FF:FF used for broadcasting to all devices
IANA Block
RFC 7042
00:00:5E range for VRRP and other IANA-assigned protocols
Spanning Tree
IEEE 802.1D
01:80:C2 range used by STP, RSTP, and MSTP protocols
Null MAC Address
IEEE 802
00:00:00:00:00:00 used in Wake-on-LAN and network booting