Given how central Foreman is within server management, every developer is pretty much guaranteed to write an IP and domain at some point. Not everyone is aware there are special subnets and domains reserved for this.
IPv4 per RFC5735
Name | Range |
---|---|
TEST-NET-1 | 192.0.2.0/24 |
TEST-NET-2 | 198.51.100.0/24 |
TEST-NET-3 | 203.0.113.0/24 |
IPv6 per RFC3849
-
2001:db8::/32
.
DNS per RFC2606
IANA reserved domains (includes IDN for unicode testing)