IP Reservation Log Template
Log reserved and assigned IP addresses with this template: subnet, address, status, who reserved it, when, the device or DNS name, and the purpose.
Recording reservations and their owners prevents the classic failure of two teams assigning the same address to different devices.
csv
Track IP address reservations and assignments.
subnet,ip_address,status,reserved_by,reserved_date,device,dns_name,purpose
10.0.1.0/24,10.0.1.1,assigned,system,2024-01-01,core-sw-01,Default gateway
10.0.1.0/24,10.0.1.2,assigned,system,2024-01-01,core-sw-02,Default gateway (HSRP/VRRP)
10.0.1.0/24,10.0.1.10,assigned,j.doe,2024-03-01,srv-web-01,web-01.nyc.example.com,Production web
10.0.1.0/24,10.0.1.50,reserved,platform,2024-06-15,,Future load balancer VIP
10.0.1.0/24,10.0.1.200,reserved,network,2024-01-01,,Anycast VIPRead More
Guides that go deeper on the same topic.
IP Address Management Best Practices in 2026
IP address management has evolved beyond simple spreadsheets. Learn the key practices, tooling decisions, and operational patterns that define modern IPAM in 2026.
Stop Googling Your Own Network: How to Never Forget a Server IP Again
Stop digging through browser history and stale spreadsheets every time you need a server IP. Here is how to build an infrastructure source of truth that actually works.
More Templates
Explore the other templates in the toolkit.
Device Import CSV Template
Free device import CSV template for bulk-loading switches, routers, firewalls, and servers with rack position, role, site, and status.
Server Inventory CSV Template
Free server inventory CSV template to track physical servers across data centers: model, serial, form factor, OS, specs, and management IPs.
VM Inventory CSV Template
Free VM inventory CSV template to track virtual machines across hypervisors: vCPUs, RAM, storage, OS, IP, VLAN, environment, and owner.
IP Address Spreadsheet Template
Free IP address spreadsheet template to track every allocation across your subnets: IP, DNS name, device, interface, VLAN, and status.
DNS Records CSV Template
Free DNS records CSV template to audit and manage zone data: A, CNAME, MX, PTR records with TTL and priority.
DHCP Reservation Template
Free DHCP reservation template to manage static DHCP assignments: scope, MAC address, IP, hostname, and description.
Rack Elevation JSON Template
Free rack elevation JSON template to define rack layouts programmatically: RU position, face, device type, and height per unit.
Cable Label CSV Template
Free cable label CSV template for structured cabling: label ID, endpoints, port, cable type, length, color, and notes.
Patch Panel Port Map Template
Free patch panel port map template to document every port and its destination: panel, port, connected device, type, and VLAN.
Fiber Patch Panel Inventory Template
Free fiber patch panel inventory template to track every fiber strand and connection: strand type, connector, circuit, attenuation, and test date.
Rack Power Budget Template
Free rack power budget CSV template to calculate and track power consumption per rack, device, and feed.
Circuit Inventory CSV Template
Free circuit inventory CSV template to track all WAN, ISP, and interconnect circuits: provider, bandwidth, handoffs, cost, and term dates.
WAN Circuit Inventory Template
Free WAN circuit inventory CSV template to track wide-area connectivity: technology, endpoints, bandwidth, latency, jitter, and SLA.
Cross Connect Inventory Template
Free cross connect inventory CSV template to track colocation cross-connects and interconnects between panels and cages.
ISP Service Inventory Template
Free ISP service inventory CSV template to track every provider service, contract term, SLA, and renewal date across your sites.
ISP & Carrier Contacts Template
Free ISP and carrier contacts CSV template: support phone, email, portal, account manager, and circuit IDs per provider.
Firewall Rules CSV Template
Free firewall rules CSV template to document and review firewall policies: source, destination, ports, protocol, action, and description.
SSL/TLS Certificate Tracker Template
Free SSL/TLS certificate tracker CSV template: common name, SANs, issuer, expiry, days left, owner, and auto-renewal status.
Change Log Template
Free change log CSV template to track every infrastructure change: date, author, type, device, summary, rollback plan, and status.
Change Window Schedule Template
Free change window schedule CSV template to plan and track maintenance windows across teams, systems, and risk levels.
Maintenance Schedule Template
Free maintenance schedule CSV template for recurring maintenance, patching cycles, and compliance windows.
Maintenance Window Plan Template
Free maintenance window plan markdown template: affected services, pre-maintenance checklist, procedure, validation, and rollback plan.
Network Documentation Template (Markdown)
Free Markdown network documentation template for your runbook or wiki: topology, IP addressing, device inventory, circuits, and change log.
Hardware Asset Register Template
Free hardware asset register CSV template for complete hardware lifecycle tracking: cost, warranty, location, status, and owner.
Serial Number Tracking Template
Free serial number tracking CSV template for quick warranty and support calls: serial, product ID, asset tag, and support contract.
Vendor & Support Contacts Template
Free vendor and support contacts CSV template: hardware and software vendors, contracts, support phones, portals, and account reps.
Cloud Resources Inventory Template
Free cloud resources inventory CSV template to track resources across AWS, GCP, and Azure: VPC, IPs, tags, environment, and cost.