198.41.0.0/22 ? whois-servers.net

Anyone know whats up with 198.41.0.0/22 ? I am seeing all sorts of whois lookup failures as a result.
route-views.oregon-ix.net>show ip bgp 198.41.0.0/22
% Network not in table
route-views.oregon-ix.net>

net.whois-servers.net

  ---Mike