nExample 192.26.1.3
u192/8 is allocated to a RIR
u192.26/16 is allocated by RIR to LIR/ISP
u192.26.1/24 is assigned by ISP to a company.
nDelegation in the DNS:
uroot delegates 192 domain to RIR
uRIR delegates Ò26Ó sub-zone to ISP
uISP delegates
Ò1Ó sub-zone to
company.
nName that makes this possible: 1.26.192