IP Address Manager (IPAM) automates IP address planning and allocation across multiple accounts and VPCs, replacing manual spreadsheet tracking that leads to IP conflicts and costly rework.
Use cases
|
Centralized address planning Network administrators can use IPAM to plan available CIDR blocks for the business. In an organization with multiple accounts, network administrators can share planned address pools with member accounts.  |
Address resource allocation Automatically allocate CIDR blocks to VPCs based on allocation rules. Reserve CIDR blocks as needed to avoid address conflicts.  |
|
Global resource management After associating an IPAM with a resource discovery, you can centrally view and manage all VPCs and vSwitches across all operating regions and identify address conflicts.  |
Conflict detection and usage monitoring Identify overlapping CIDR blocks before they cause connectivity issues. Track IP utilization to proactively scale capacity.  |
How it works
IPAM is a modular feature. You must select one region to host it, which becomes the hosted region. Plan and manage all address resources across regions using IPAM. These regions become the operating regions of IPAM. If a region within the scope fails, it does not affect other regions.
-
Create an IPAM instance in a hosted region. Add operating regions as needed.
-
The system creates two default scopes, each representing an IP address space:
-
Public: For all public spaces. Allocate and use only IPv6 CIDR blocks provided by Alibaba Cloud.
-
Private: For all private spaces. Allocate and use IPv4 CIDR blocks. You can also create custom private scopes.
-
-
Create an IPAM Pool within an IPAM scope. Divide pools and provision CIDR blocks if necessary.
-
Subpools divide large CIDR blocks into smaller ones — for example, by region — that you can allocate to departments or lines of business.
-
Each subpool can be associated with security rules, avoiding IP conflicts and meeting security needs.
-
-
Allocate CIDR blocks from pools to VPCs. You can also create custom allocations for hybrid or multi-cloud environments.
More information
Billing
IPAM is in public preview and currently free of charge.
Supported regions
Area | Regions |
Asia Pacific - China | China (Hangzhou), China (Shanghai), China (Nanjing - Local Region, Closing Down), China (Qingdao), China (Beijing), China (Zhangjiakou), China (Hohhot), China (Ulanqab), China (Shenzhen), China (Heyuan), China (Guangzhou), China (Chengdu), China (Hong Kong), China (Wuhan - Local Region), and China (Fuzhou - Local Region, Closing Down) |
Asia Pacific - Others | Japan (Tokyo), South Korea (Seoul), Singapore, Malaysia (Kuala Lumpur), Indonesia (Jakarta), Philippines (Manila), and Thailand (Bangkok) |
Europe & Americas | Germany (Frankfurt), UK (London), US (Silicon Valley), and US (Virginia) |
Middle East | UAE (Dubai) and Saudi Arabia (Riyadh - Partner Region) |
Quota
Quota name | Description | Default limit | Adjustable |
ipam_quota_per_region | IPAMs per user in each region. | 1 | No. |
ipam_scope_quota_per_ipam | IPAM scopes per IPAM. | 5 | |
ipam_pool_quota_depth | The maximum depth of an IPAM pool. | 10 | |
ipam_cidr_quota_per_ipam_pool | CIDRs that can be provisioned in an IPAM pool. | 50 | |
ipam_sub_pool_quota_per_ipam_pool | Sub-pools per IPAM pool. | 50 | |
ipam_pool_quota_per_scope | IPAM pools that can be created in each private IPAM scope. | 500 | |
ipam_resource_discovery_quota_per_region | Resource discoveries per account in a region. | 1 | |
resource_share_quota_per_ipam_resource_discovery | Shared resources created by a resource discovery. | 100 | |
shared_ipam_resource_discovery_quota_per_user | Shared resource discoveries per user. | 100 | |
resource_share_quota_per_ipam_pool | Resource shares per IPAM pool. | 100 | |
shared_ipam_pool_quota_per_user | Shared IPAM pools per user. | 100 | |
ipam_public_ipv6_top_pool_quota_per_region_isp | Public top-level IPv6 IPAM pools each user can create for each ISP type in each region. | 1 | |
ipam_cidr_quota_per_public_ipv6_top_pool | CIDR blocks that each user can provision for public top-level IPv6 IPAM pools in each region. | 1 |