IPAM for iTop is the module / extension version of TeemIp that can be integrated on an existing iTop instance. It only provides the core IP management features embbeded in TeemIp standalone. Other features are available for iTop through extensions.
This IPAM for iTop extension is available through iTop Hub and can be automatically downloaded and deployed from there. Note that iTop Hub may not be up to date with the latest TeemIp version.