>>437
$ host greta.5ch.net
greta.5ch.net has address 104.22.0.109
greta.5ch.net has address 172.67.5.194
greta.5ch.net has address 104.22.1.109
greta.5ch.net has IPv6 address 2606:4700:10::ac43:5c2
greta.5ch.net has IPv6 address 2606:4700:10::6816:6d
greta.5ch.net has IPv6 address 2606:4700:10::6816:16d

$whois 104.22.0.109
NetRange: 104.16.0.0 - 104.31.255.255
CIDR: 104.16.0.0/12
NetName: CLOUDFLARENET
NetHandle: NET-104-16-0-0-1
Parent: NET104 (NET-104-0-0-0-0)
NetType: Direct Allocation
OriginAS: AS13335
Organization: Cloudflare, Inc. (CLOUD14)
RegDate: 2014-03-28
Updated: 2021-05-26
Comment: All Cloudflare abuse reporting can be done via https://www.cloudflare.com/abuse
Ref: https://rdap.arin.net/registry/ip/104.16.0.0

ファッ！？