This table is the list of the RFC 1918 & 6598 non-routable addresses on the Internet

Class Start End Mask CIDR CIDR Mask CIDR Wildcard
Some other special address ranges
Windows autoconfiguration (for when the DHCP server is down)

Some extra info about various CIDR blocks

This is from
4.  Summary Table

Address Block       Present Use                Reference
------------------------------------------------------------------           "This" Network             RFC 1122, Section          Private-Use Networks       RFC 1918       Shared addresses           RFC 6598         Loopback                   RFC 1122, Section      Link Local                 RFC 3927       Private-Use Networks       RFC 1918        IETF Protocol Assignments  RFC 5736        TEST-NET-1                 RFC 5737      6to4 Relay Anycast         RFC 3068      Private-Use Networks       RFC 1918       Network Interconnect
                    Device Benchmark Testing   RFC 2544     TEST-NET-2                 RFC 5737      TEST-NET-3                 RFC 5737         Multicast                  RFC 3171         Reserved for Future Use    RFC 1112, Section 4  Limited Broadcast          RFC 919, Section 7
                                               RFC 922, Section 7