66,495 records · 66,092 with a source-published root domain. Organizations holding an IANA Private Enterprise Number — the SNMP/LDAP OID arc registry. Only the organization name and the enterprise's root e-mail domain appear on this public tier; registered contact people stay off the public surface.
Source: https://www.iana.org/assignments/enterprise-numbers/ · IANA Private Enterprise Numbers registry · iana.org
| Organization | PEN | Domain | Location |
|---|---|---|---|
| Reserved | PEN 0 |
iana.org | — |
| NxNetworks | PEN 1 |
nxnetworks.com | — |
| IBM (https://w3.ibm.com/standards ) | PEN 2 |
us.ibm.com | — |
| Carnegie Mellon | PEN 3 |
andrew.cmu.edu | — |
| Unix | PEN 4 |
okeeffe.berkeley.edu | — |
| ACC | PEN 5 |
salt.acc.com | — |
| TWG | PEN 6 |
eco.twg.com | — |
| CAYMAN | PEN 7 |
cayman.com | — |
| PSI | PEN 8 |
nisc.nyser.net | — |
| ciscoSystems | PEN 9 |
cisco.com | — |
| NSC | PEN 10 |
network.com | — |
| Hewlett-Packard | PEN 11 |
hp.com | — |
| Epilogue | PEN 12 |
cavebear.com | — |
| U of Tennessee | PEN 13 |
cs.utk.edu | — |
| BBN Technologies | PEN 14 |
raytheon.com | — |
| Xylogics, Inc. | PEN 15 |
xylogics.com | — |
| Timeplex | PEN 16 |
uunet.uu.net | — |
| Canstar | PEN 17 |
hub.toronto.edu | — |
| Wellfleet | PEN 18 |
nortelnetworks.com | — |
| TRW | PEN 19 |
trw.com | — |
| MIT | PEN 20 |
mit.edu | — |
| EON | PEN 21 |
— | — |
| Fibronics | PEN 22 |
fibronics.co.il | — |
| Novell | PEN 23 |
novell.com | — |
| Spider Systems | PEN 24 |
spider.co.uk | — |
| NSFNET | PEN 25 |
mcr.umich.edu | — |
| Hughes LAN Systems | PEN 26 |
hls.com | — |
| Intergraph | PEN 27 |
guy.bll.ingr.com | — |
| Interlan | PEN 28 |
europa.interlan.com | — |
| Vitalink Communications | PEN 29 |
— | — |
| Ulana | PEN 30 |
mitre-bedford.org | — |
| NSWC | PEN 31 |
nswccd.navy.mil | — |
| Santa Cruz Operation | PEN 32 |
sco.com | — |
| MRV Communications, In-Reach Product Division | PEN 33 |
itouchcom.com | — |
| Cray | PEN 34 |
opus.cray.com | — |
| Nortel Networks | PEN 35 |
nortelnetworks.com | — |
| DEC | PEN 36 |
decvax.dec.com | — |
| Touch | PEN 37 |
— | — |
| Network Research Corp. | PEN 38 |
ncr.com | — |
| Baylor College of Medicine | PEN 39 |
bcm.tmc.edu | — |
| NMFECC-LLNL | PEN 40 |
ccc.mfecc.llnl.gov | — |
| SRI | PEN 41 |
tsca.istc.sri.com | — |
| Sun Microsystems | PEN 42 |
sun.com | — |
| 3Com | PEN 43 |
nsd.3com.com | — |
| CMC | PEN 44 |
— | — |
| SynOptics | PEN 45 |
nortelnetworks.com | — |
| Cheyenne Software | PEN 46 |
csd2.nyu.edu | — |
| Prime Computer | PEN 47 |
relay.cs.net | — |
| MCNC/North Carolina | PEN 48 |
mcnc.org | — |
| Chippcom | PEN 49 |
chipcom.com | — |
| Optical Data Systems | PEN 50 |
— | — |
| gated | PEN 51 |
nexthop.com | — |
| Enterasys Networks Inc. | PEN 52 |
enterasys.com | — |
| Apollo Computers | PEN 53 |
apollo.com | — |
| DeskTalk Systems, Inc. | PEN 54 |
— | — |
| SSDS | PEN 55 |
— | — |
| Castle Rock Computing | PEN 56 |
— | — |
| MIPS Computer Systems | PEN 57 |
mips.com | — |
| TGV, Inc. | PEN 58 |
tgv.com | — |
| Silicon Graphics, Inc. | PEN 59 |
sgi.com | — |
| University of British Columbia | PEN 60 |
ubc.ca | — |
| Merit | PEN 61 |
merit.edu | — |
| NetEdge | PEN 62 |
netedge.com | — |
| Apple Computer, Inc. | PEN 63 |
apple.com | — |
| Gandalf | PEN 64 |
— | — |
| Dartmouth College | PEN 65 |
dartmouth.edu | — |
| David Systems | PEN 66 |
davidsys.com | — |
| Reuter | PEN 67 |
— | — |
| Cornell | PEN 68 |
cornell.edu | — |
| Michael Sabo | PEN 69 |
cox.net | — |
| Locus Computing Corp. | PEN 70 |
seas.ucla.edu | — |
| NASA | PEN 71 |
nasa.gov | — |
| Retix | PEN 72 |
— | — |
| Boeing | PEN 73 |
bandit.ns.cs.boeing.com | — |
| AT&T | PEN 74 |
att.com | — |
| Ungermann-Bass | PEN 75 |
— | — |
| Digital Analysis Corporation | PEN 76 |
uunet.uu.net | — |
| LAN Manager | PEN 77 |
osu-20.ircc.ohio-state.edu | — |
| LogMatrix Inc (formerly 'OpenService Inc.') | PEN 78 |
logmatrix.com | — |
| Fujitsu Services | PEN 79 |
uk.fujitsu.com | — |
| Auspex Systems, Inc | PEN 80 |
auspex.com | — |
| Lannet Company | PEN 81 |
— | — |
| Network Computing Devices | PEN 82 |
uunet.uu.net | — |
| Raycom Systems | PEN 83 |
— | — |
| Pirelli Focom Ltd. | PEN 84 |
— | — |
| Datability Software Systems | PEN 85 |
dss.com | — |
| Network Application Technology | PEN 86 |
nat.com | — |
| Institute of Telematics, Karlsruhe Institute of Technology (KIT) | PEN 87 |
kit.edu | — |
| New York University | PEN 88 |
nyu.edu | — |
| RND | PEN 89 |
— | — |
| InterCon Systems Corporation | PEN 90 |
intercon.com | — |
| Coral Network Corporation | PEN 91 |
coral.com | — |
| Webster Computer Corporation | PEN 92 |
munnari.oz.au | — |
| Frontier Technologies Corporation | PEN 93 |
— | — |
| Nokia | PEN 94 |
nokia.com | — |
| Rockwell Automation, Inc. (formerly 'Allen-Bradley Company') | PEN 95 |
ra.rockwell.com | — |
| CERN | PEN 96 |
cern.ch | — |
| Sigma Network Systems, Inc. | PEN 97 |
xylogics.com | — |
| Emerging Technologies, Inc. | PEN 98 |
uu.psi.com | — |
| SNMP Research | PEN 99 |
snmp.com | — |
