Updated: May 6th, 2021
Requests from Neevabot set the User-Agent to:
Mozilla/5.0 (compatible; Neevabot/1.0; +https://neeva.com/neevabot)
$ host 100.26.127.17
17.127.26.100.in-addr.arpa domain name pointer 100-26-127-17.neevabot.com
User-Agent: Neevabot
Allow: /
Disallow: /private/
User-Agent: Neevabot
Crawl-delay: 5
User-Agent: *
Disallow: /
User-Agent: Googlebot
Allow: /
Disallow: /private/