https://tools.ietf.org/html/rfc6890

LastDate April/2013

,IP addrees/Mask, Comments, DOC numbers,
,0.0.0.0/8,This host on this network  ,[RFC1122],
,10.0.0.0/8,Private-Use  ,[RFC1918] ,
,100.64.0.0/10,Shared Address Space ,[[RFC6598]|https://tools.ietf.org/html/rfc6598],
,127.0.0.0/8, Loopback  ,[RFC1122],
,169.254.0.0/16, Link Local ,[RFC3927],
,172.16.0.0/12,Private-Use  ,[RFC1918] ,
,192.0.0.0/24, IETF Protocol Assignments RFC 6890  Section 2.1 , [RFC6890],
,192.0.0.0/29, DS-Lite ,[RFC6333] ,
,192.0.2.0/24, Documentation (TEST-NET-1)  ,[RFC5737] ,
,192.88.99.0/24, 6to4 Relay Anycast , [RFC3068] ,
,192.168.0.0/16,Private-Use,[RFC1918],  
,198.18.0.0/15,Benchmarking, [RFC2544] ,
,198.51.100.0/24,Documentation (TEST-NET-2),[RFC5737] ,
,203.0.113.0/24,Documentation (TEST-NET-3),[RFC5737],
,240.0.0.0/4,Reserved  Section 4 ,[RFC1112],
,255.255.255.255/32, Limited Broadcast, [RFC0919], 
,

Appendix
subnet-mask