Frequently Asked Questions

APNIC offers a range of services related to distributing IPv4 and IPv6 addresses, Autonomous System Numbers (AS Numbers), and reverse DNS delegations.

Browse our knowledge base for frequently asked questions to assist you with your enquiries.

APNIC Membership

• Become a Member
• Annual membership fees
• Annual membership fees effective Jan 2015

Resource Requests

• Obtaining resources
  • IPv6 CIDR Chart
  • IPv4 CIDR Chart
• Get IPv4 addresses

Resources Transfer

• IPv4 and ASN transfers
• IPv4 transfer pre-approvals
• IPv4 transfer fees

Resource management

• Using address space
• Reverse DNS
• Assignment window
• Virtual web hosting
• IP unnumbered configuration
• Using NAT
• Root servers
• Guide to recovery of unused address space
• IPv6 documentation prefix
• About IPv6
• Historical resources

Resource Policies

• Multihoming assignment
• IXP address assignment
• Critical infrastructure
• Autonomous System Numbers

Troubleshooting

• Geolocation
• Certificate authority
• Network abuse and spamming
• How APNIC represents dates and times

Resource Certification

• Resource Public Key Infrastructure

Miscellaneous

• Experimental allocations
• Early registration transfer project
• Privacy of customer assignments
• Parser Help
• IPv4 Request Tips
• What is an IP address?

APNIC Whois Database

• Organization object