| Country Code |
Two-Character international country code based on ISO 3166 |
| Country Abreviation |
Usually Three-Character representation |
| Country Name |
Full Country Name based on ISO 3166 |
| Date of First Allocation |
Where the allocation or assignment has been transferred from one registry to another,
the date represents the date of first assignment or allocation as received in from the original RIR (Regional Internet registry).
|
| Registry |
apcnic, arin, lacnic, ripencc and afrinic. Also included as of April 22, 2005 are the IANA IETF Reserved
address numbers. These are important since any source claiming to be from one of these IPs must be spoofed. |
| Numerical Representation |
To convert an IP addess to IP Number, we use the following formula:
If IP Address = A.B.C.D then IP Number= (A*256*256*256) + (B*256*256) + (C*256) + D
Example: IP Address = 1.2.3.4
IP Number(from Right to Left)= 4 + (3*256) + (2*256*256) + (1*256*256*256)
The IP number becomes 4 + 768 + 13,1072 + 16,777,216 = 16,909,060 |
Hosts in Block |
The number of IPs in a block |