interger to I P address

Robert D. Scott robert at
Wed Aug 27 08:55:37 CDT 2008

The harder way:

Decimal: 1089055123
Hex (dashes inserted at octals): 40-E9-A9-93
Decimal (of each octet): 64-233-169-147
IP Address:

Robert D. Scott                 Robert at
Senior Network Engineer         352-273-0113 Phone
CNS - Network Services          352-392-2061 CNS Receptionist
University of Florida           352-392-9440 FAX
Florida Lambda Rail             352-294-3571 FLR NOC
Gainesville, FL  32611          321-663-0421 Cell

-----Original Message-----
From: Matlock, Kenneth L [mailto:MatlockK at] 
Sent: Wednesday, August 27, 2008 9:47 AM
To: Iljitsch van Beijnum
Cc: nanog at
Subject: RE: interger to I P address

Huh, learn something new every day!

Well, at least my method shows the underlying theory behind how the
conversion works :)


Ken Matlock
Network Analyst
(303) 467-4671
matlockk at
-----Original Message-----
From: Iljitsch van Beijnum [mailto:iljitsch at] 
Sent: Wednesday, August 27, 2008 6:27 AM
To: Matlock, Kenneth L
Cc: Colin Alston; kcc; nanog at
Subject: Re: interger to I P address

On 27 aug 2008, at 14:18, Matlock, Kenneth L wrote:

> Easiest way.

$ ping 1089055123
PING 1089055123 ( 56 data bytes
64 bytes from icmp_seq=0 ttl=242 time=105.418 ms
64 bytes from icmp_seq=1 ttl=242 time=105.891 ms
--- 1089055123 ping statistics ---
2 packets transmitted, 2 packets received, 0% packet loss
round-trip min/avg/max/stddev = 105.418/105.655/105.891/0.236 ms


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