# OpUtils - Free Address Management Tools

Address monitoring tools are a part of OpUtils [network tools](https://www.manageengine.com/products/oputils/free-network-tools.html), which are used to manage IP Address, MAC address and DNS name of a network.

## Tools included under Address Management tools are:

1. **[DNS Resolver](https://www.manageengine.com/products/oputils/address-monitoring-tools.html#dns-resolver):** Helps to get the host name of any node whose IP Address is known and vice versa.
2. **[DNS Scan](https://www.manageengine.com/products/oputils/address-monitoring-tools.html#dns-scan):** Helps to get the host name for a range of IP Address.
3. **[MAC Address Resolver](https://www.manageengine.com/products/oputils/mac-address-scanner.html):** Fetches the MAC Address of any IP device using SNMP and ARP.
4. **[MAC Address Scan](https://www.manageengine.com/products/oputils/mac-address-scanner.html):** Helps to get the MAC Addresses for a range of IP Address.
5. **[Subnet List](https://www.manageengine.com/products/oputils/address-monitoring-tools.html#subnet-list):** Helps in retrieving the list of subnets accessible for a given SNMP node.
6. **[IP Address Manager](https://www.manageengine.com/products/oputils/ip-address-manager.html) *:** Help to determine the used and available IP Addresses in the subnet.

\* - Runs in a restricted mode in the Free edition.