February-March 2002
slideset 7 -9
Mapping
the IPv4 address into the DNS
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