mcp-mrn-abnf.txt

mcp-mrn = "urn" ":" "mrn" ":" "mcp" ":" mcp-type ":" ipid ":" ipss
mcp-type = "device" / "org" / "user" / "vessel" / "service" / "mir" / "mms" / "msr"
ipid = alphanum *20(alphanum / "-") alphanum
ipss = pchar *(pchar / "/")
alphanum = ALPHA / DIGIT
pchar = unreserved / pct-encoded / sub-delims / ":" / "@"
unreserved = ALPHA / DIGIT / "-" / "." / "_" / "~"
pct-encoded = "%" HEXDIG HEXDIG
sub-delims = "!" / "$" / "&" / "'" / "(" / ")" / "*" / "+" / "," / ";" / "="