IPAM (DDI)

• Simplify IP Address, DHCP, and DNS Management

Inventory, manage, and maintain accurate IP subnets and DHCP scopes
Track, assign, provision, and decommission IP addresses
Delegate and coordinate work across multiple admin teams
Monitor and improve IP performance 
http://go.solarwinds.com/en/ipam/sem/IPAM-Software?&CMP=KNC-TAD-GGL-IPAM_EMEA_X_P-IPAM-DL&gclid=CJnLp_nS1scCFcSRGwoduscDyA

• As a central control point, IPAM provides an authoritative source for information about the network, providing valuable insight to enable informed management and security decisions for the enterprise.

https://www.bluecatnetworks.com/products/ip-address-management/

• IP Address Management (IPAM) in Windows Server® 2012 and Windows Server® 2012 R2 is an integrated suite of tools to enable end-to-end planning, deploying, managing and monitoring of your IP address infrastructure, with a rich user experience. IPAM automatically discovers IP address infrastructure servers on your network and enables you to manage them from a central interface.

https://technet.microsoft.com/en-us/library/hh831353.aspx

• Network Services DNS, DHCP & IPAM (DDI)

Infoblox’s industry leading integrated, centrally managed approach to delivering enterprise-grade DNS, DHCP, and IP address management (DDI) supports current and evolving IT needs while providing the highest standards for security, service uptime, and operational efficiencies
https://www.infoblox.com/products/network-services-dns-dhcp-ipam-ddi

• EfficientIP's IP Address Management (IPAM) solution adapts to business and IT goals and objectives by allowing the creation of specific IPAM and VLANs deployment processes. SOLIDserver™ IPAM is a unified solution that allows you to design, deploy, and manage the IP addressing plan automatically applying allocation rules and simplifying deployments

http://www.efficientip.com/ip-address-management/

• VitalQIP IP Address Management

The VitalQIP Appliance addresses the shift in the IP Address Management (IPAM) market towards appliances for increased reliability, manageability, scalability and security, and is the only appliance solution on the market that seamlessly integrates with VitalQIP DNS/DHCP & IP Address Management Software. - See more at: https://www.alcatel-lucent.com/products/vitalqip-ip-address-management#sthash.NinNdTx6.dpuf

• An Overview of the DDI – DNS, DHCP and IP Address Management appliances:

First, the DDI appliances can themselves provide DNS, DHCP, IP Address Management functionalities as well as provide centralized management for third party services like Microsoft Server 2003/2008 and Unix based DNS/DHCP servers across multiple locations.
http://www.excitingip.com/909/why-ddi-dns-dhcp-and-ip-address-management-is-critical-for-distributed-organizations/

• nipap is a sleek, intuitive and powerful IP address management system built to handle large amounts of IP addresses

https://spritelink.github.io/NIPAP/

• IPplan is a free (GPL), web based, multilingual, TCP IP address management (IPAM) software and tracking tool written in php 4, simplifying the administration of your IP address space. IPplan goes beyond TCPIP address management including DNS administration, configuration file management, circuit management (customizable via templates) and storing of hardware information (customizable via templates).

http://iptrack.sourceforge.net/

• GestióIP is an automated, Web based IPv4/IPv6 address management (IPAM) software. It features powerful network discovery functions and offers search and filter functions for both networks and host, permitting Internet Search Engine equivalent expressions.

http://www.gestioip.net/

• NOC is an mature open-source IP Address Management (IPAM) solution, organizing the process of IP address space tracking

https://kb.nocproject.org/pages/viewpage.action?pageId=1507406

• OpenNetAdmin provides a database managed inventory of your IP network. Each subnet, host, and IP can be tracked via a centralized AJAX enabled web interface that can help reduce tracking errors. A full CLI interface is available as well to use for scripting and bulk work.

http://opennetadmin.com/

• openIPAM is a scalable IP address management solution developed and used by Utah State University's Department of Information Technology.

https://code.google.com/p/openipam/