[arin-tech-discuss] How to extract specific information from RDAP

Andy Newton andy at arin.net
Mon Feb 12 15:27:18 EST 2018

Hi Martin,

It would appear that the --json and --jv options have a bug where they output in Ruby form and not JSON.

I put a bug in the issue tracker to note this: https://github.com/arineng/nicinfo/issues/32

The fix is probably simple, and I'll dig into it as soon as I am able.

With regard to a delimited file with a set of fields, I am currently in the process of adding new features that might accomplish what you are after. However, it has required refactoring of a great deal of the code and the progress is a bit slow. I'll keep you apprised of the progress.

Andy Newton,
Chief Engineer, ARIN

From: arin-tech-discuss <arin-tech-discuss-bounces at arin.net> on behalf of Martin Arlitt <martin.arlitt at gmail.com>
Sent: Monday, February 12, 2018 9:40 AM
To: arin-tech-discuss at arin.net
Subject: [arin-tech-discuss] How to extract specific information from RDAP


I would like to extract some specific information about IP address allocations (e.g., startAddress, endAddress, handle, organization name, organization contact, last update date) in a systematic way. If I use nicinfo manually, I usually see the information I want. When I try to retrieve the same information ifrom nicinfo's JSON format or via nicinfo's  --jv options, I'm running into a variety of problems. I expect I'm doing something wrong. If anyone could offer any tips on how to a) determine the most common fields in RDAP records for IP address range allocations (including the corresponding organization information)  and b) how to most efficiently produce a delimited file of selected fields from a set of RDAP queries I would really appreciate it.

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