[arin-tech-discuss] RDAP CIDR netblock children query

Ronald F. Guilmette rfg at tristatelogic.com
Wed Aug 4 21:03:41 EDT 2021

In message <c28cf125931aef6c43840a77a1f27c1747419be9.camel at globalnoc.iu.edu>,
John Ratliff <jdratlif at globalnoc.iu.edu> wrote:

>I'm trying to find all the SWIP'd IP space in a netblock to make our
>netflow records more accurate.

I don't know offhand how to do it using "normal" whois programs...
because I don't use any of those myself...  but if you simply telnet
to whois.arin.net (port 43) and enter the following line, that should
give you what you want, I think...

n ! > NET-199-8-0-0-1


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