From syn2cat - HackerSpace.lu
General information on OIDs can be found on this website.
syn2cat has the OID "private enterprise" number (PEN) 18.104.22.168.4.1.37126 under the internet OID 22.214.171.124 This is the authoritative registry for allocations under that node.
1: use by syn2cat 1.1: configuration and directory data (e.g. LDAP) 1.1.1: email domains and users delegated to file /etc/ldap/schema/exim.schema on syndi.hackerspace.lu 1.1.2: custom syn2cat ldap schema /etc/ldap/schema/syn2cat.schema 2 and following: delegated to members or other organisation. Currently none. 2.42: used by destructive