Azure IPAM vs Subnetly

Azure IPAM helps Azure customers plan, deploy, manage, and monitor IP address space. It discovers networks, subnets, and endpoints across an Azure tenant, and can highlight orphaned endpoints and virtual network peers with misconfigurations. Users can group networks into Spaces and Blocks, monitor IP and CIDR consumption, and map external networks to Azure CIDR ranges. Planning tools show how many subnets of a chosen mask fit in a CIDR block. A REST API supports address-management automation for infrastructure-as-code and CI/CD workflows, with documented reservation paths through ARM and Bicep templates, Terraform, and CI/CD pipelines. The application runs as a container in Azure App Service or Azure Functions, or can be deployed API-only. Supporting infrastructure runs in the customer's Azure tenant, except for the public container registry. The open-source project is free; Azure infrastructure and hosting costs are separate. Deployment needs an Azure subscription and substantial tenant permissions.

Subnetly is a hybrid SaaS DDI platform for DNS, DHCP, IP address management, network discovery, and network visibility. Its dashboard records IP use and ownership, identifies conflicts and orphaned addresses, and can export QBR data. Local agents manage authoritative DNS zones and DHCP scopes, with a SaaS console coordinating records and configurations. Agents scan active network segments using ARP, SNMP, and ICMP to build a hardware asset registry. Subnetly says its AI insights can identify capacity risks and configuration gaps as well as address issues. Deployment options include Docker, Kubernetes/Helm, Windows Server, and a Linux daemon. The company says agents communicate outbound over HTTPS or TLS without open inbound ports or VPN tunnels. REST APIs and monitoring webhooks support third-party automation, though access varies by paid tier. MSP controls cover customer and site separation, technician roles, and audit records. A free plan is available; paid plans start at $49 a month. Starter and Pro include 14-day trials, Business has a 21-day trial, and signup requires no credit card.