Network Management

Large volume of WHOIS requests generated by NetPath

This article explains why a large volume of WHOIS requests are generated by NetPath and sent to Regional Internet Registries, such as ARIN.

First published date

10/23/2018 6:24 PM

Last published date

4/24/2020 7:29 PM

Overview

This article describes why a large volume of WHOIS requests are generated by NetPath™ and sent to the Regional Internet Registry (RIR), such as ARIN.

Product section

Network Performance Monitor

Resolution

Ports 43 and 443 are used by NetPath™ to query information about discovered IP addresses and networks. The WHOIS requests can be seen from the main Orion server and allow for monitored services to keep accurate results. SolarWinds worked with RIR to develop caching and several other optimization mechanisms for the volume of requests sent by NetPath.

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