IANA Private Enterprise Numbers

Go back Parent node: Object Identifier (OID)

Technical information

Dot notation:
ASN.1 notation: { iso(1) identified-organization(3) dod(6) internet(1) private(4) enterprise(1) }
OID-IRI notation: /ISO/Identified-Organization/6/1/4/1
WEID notation: weid:pen:9
DER encoding: 06:05:2B:06:01:04:01


IANA Private Enterprise Numbers

List PEN

All assigned private enterprise numbers (i.e. child OIDs) with enterprise names and contacts are listed at the Internet Assigned Numbers Authority (IANA) web site (see also IETF RFC 1157 and RFC 1213).

More info e.g. at http://www.oid-info.com/get/

Current Registration Authority    


Internet Assigned Numbers Authority


IANA (iana@iana.org)
12025 Waterfront Dr, Suite 330
Playa del Rey, CA 9094
United States (the)


Registration Authority

Internet Assigned Numbers Authority

Subordinate objects

ID Base36 RA Comment Created Updated
37553 SZ5 FRDL/Webfan Registration Authority Frdlweb/Webfan Homepagesystem Till Wehowski 2022-03-23
58658 199E admin&tnn.cc 2022-10-01 2022-10-01

Alternative Identifiers

(No PIX allowed)
OIDplus Information Object Application Identifier (ISO/IEC 7816)
(No PIX allowed)
Application Identifier (ISO/IEC 7816)
guid:ef89b4fd-cc82-39f4-8098-b58dd72a496cName based version 3 / MD5 UUID with namespace UUID_NAMEBASED_NS_OID
guid:106dd502-8b3e-50db-80ed-1134f5c18eaeName based version 5 / SHA1 UUID with namespace UUID_NAMEBASED_NS_OID

REST API (Documentation)

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oidplus:login_webfan | Login using Webfan
oidplus:weid_info | WEID Documentation
oidplus:webfan_goto_webfan_home | Webfan Objects
oidplus:resources$Tools/Whois.html | Whois Lookup
oidplus:system | System
pen: | IANA Enterprise Numbers
oid: | Object Identifier (OID)
     oid: | -- IANA Private Enterprise Numbers
          oid: | -- frdlweb
          oid: | -- CjyDev Main OID
guid: | Globally Unique Identifier (GUID)
other: | Other objects
php: | PHP Namespaces
circuit: | Circuit Definition
uri: | URI objects
web+fan: | web+fan:// [#@resources]
mac: | MAC adresses (EUI/ELI/AAI/SAI)
ipv4: | IPv4 Network Blocks
ipv6: | IPv6 Network Blocks
java: | Java Package Names
domain: | Domain Names
aid: | Application Identifier (ISO/IEC 7816)
~: | Allocation
oidplus:login | Login
oidplus:whois | OID-IP / WHOIS
oidplus:com.viathinksoft.freeoid | Register a free OID
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oidplus:contact | Contact administrator
com.frdlweb.freeweid | Register a free WEID as OID Arc