IANA IPv4 Address Space Allocation for Prefix 153/8
Designation
Administered by APNIC
Allocation Time
WHOIS
RDAP
https://rdap.apnic.net/
Status
LEGACY - allocated by the central Internet Registry (IR) prior to the Regional Internet Registries (RIRs). This address space is now administered by individual RIRs as noted, including maintenance of WHOIS Directory and reverse DNS records. Assignments from these blocks are distributed globally on a regional basis.