Private Enterprise Numbers (PEN)

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Decimal Organization Contact Email
500 ADP Barry Miracle @
501 European Agency of Digital Trust (formerly 'Programa SPRITEL') Julian Inza @
502 Adacom Aial Haorch 972-4-899-899
503 Metrodata Ltd Nick Brown @
504 Ericsson AB - 4G5G (formerly 'Ellemtel Telecommunication Systems Laboratories') Jack Song @
505 Arizona Public Service Duane Booher @
506 NETWIZ, Ltd., Emanuel Wind @
507 Science and Engineering Research Council (SERC) Paul Kummer @
508 508 Credit Suisse First Boston - Watcher Thomas P Wood @
509 Hadax Electronics Inc. Marian Kramarczyk @
510 VTKK Markku Lamminluoto @
511 North Hills Israel Ltd. Carmi Cohen @
512 TECSIEL R. Burlon @
513 Bayerische Motoren Werke (BMW) AG Ronny Ehrlich @
514 CNET Technologies Nelson Su 408-954-8000
515 MCI Jim Potter @
516 Human Engineering AG (HEAG) Urs Brunner @
517 FileNet Corporation Joe Raby @
518 Kongsberg Gruppen ASA (formerly 'NFT-Ericsson') Helge Andre Sundt @
519 Dun & Bradstreet Mark Sugarman @
520 Intercomputer Communications Brian Kean 513-745-0500x244
521 Defense Intelligence Agency Barry Atkinson @
522 Telesystems SLW Inc. Joe Magony 416-441-9966
523 APT Communications David Kloper 301-831-1182
524 Delta Airlines Jim Guy 404-715-2948
525 California Microwave Kevin Braun 408-720-6520
526 Avid Technology Inc Bob Craig @
527 Integro Advanced Computer Systems Pascal Turbiez +33-20-08-00-40
528 RPTI Chris Shin 886-2-918-3006
529 Ascend Communications Inc. Matthias Bannach @
530 Eden Computer Systems Inc. Louis Brando 305-591-7752
531 Kawasaki-Steel Corp Tomoo Watanabe @
532 Systems Management Infrasture, Barclays Bank PLC Colin Walls @
533 B.U.G., Inc. Isao Tateishi @
534 Eaton Corporation Tom Brennan @
535 Superconducting Supercollider Lab. Carl W. Kalbfleisch @
536 Triticom Barry Trent @
537 Universal Instruments Corp. Tom Dinnel @
538 Information Resources, Inc. Jeff Gear @
539 Westell Inc. (formerly 'Kentrox') Ken Huffman @
540 Crypto AG Roland Luthi @
541 Infinite Networks, Ltd. Sean Harding +44 923 710 277
542 Tangram Enterprise Solutions, Inc. Steve Kuekes @
543 Alebra Technologies, Inc. Harold Stevenson @
544 Equinox Systems, Inc. Monty Norwood 1-800-275-3500 x293
545 Hayes Microcomputer Products Joe Pendergrass @
546 Empire Technologies Inc. Cheryl Krupczak @
547 Glaxochem, Ltd. Andy Wilson 0229 52261547
548 Software Professionals, Inc Gordon Vickers @
549 Agent Technology, Inc. Ibi Dhilla @
550 Dornier GMBH Arens Heinrech 49-7545-8 ext 9337
551 Telxon Corporation Frank Ciotti @
552 Entergy Corporation Louis Cureau 504-364-7630
553 GarrettCom, Inc (formerly 'Garrett Communications') Rajesh Kukreja @
554 Agile Networks, Inc. Dave Donegan @
555 Larscom Sameer Jayakar 415-969-7572
556 Stock Equipment Karl Klebenow 216-543-6000
557 ITT Corporation Kevin M. McCauley @
558 Universal Data Systems, Inc. Howard Cunningham @
559 Sonix Communications, Ltd. David Webster +44 285 641 651
560 Paul Freeman Associates, Inc. Pete Wilson @
561 John S. Barnes, Corp. Michael Lynch 704-878-4107
562 Northern Telecom, Ltd. Sharon Chisholm @
563 CAP Debris Patrick Preuss @
564 Telco Systems NAC Harry Hirani @
565 Tosco Refining Co Fred Sanderson 510-602-4358
566 Russell Info Sys Atul Desai 714-362-4040
567 University of Salford Richard Letts @
568 NetQuest Corp. Jerry Jacobus @
569 Armon Networking Ltd. Yigal Jacoby @
570 IA Corporation Didier Fort @
571 AU-System Communicaton AB Torbjorn Ryding 8-7267572
572 GoldStar Information & Communications, Ltd. Soo N. Kim @
573 SECTRA AB Tommy Pedersen @
574 ONEAC Corporation Bill Elliot @
575 Tree Technologies Michael Demjanenko (716) 688-4640
576 General Dynamics Mission Systems Charlie Limoges @
577 Geneva Software, Inc. Andy Denenberg @
578 Interlink Computer Sciences, Inc. Fred Bohle @
579 Bridge Information Systems, Inc. Stephen Harvey (314) 567-8482
580 Leeds and Northrup Australia (LNA) Nigel Cook nigelc&lna.oz.au ---none---
581 CSG Systems International (formerly 'Intec Telecom Systems') Michael Harvey @
582 Newport Systems Solutions, Inc. Pauline Chen @
583 azel Corporation Narender Reddy Vangati @
584 ROBOTIKER Maribel Narganes @
585 PeerLogic Inc. Keith Richardson @
586 Digital Transmittion Systems Bill VerSteeg @
587 Far Point Communications Bill VerSteeg @
588 Xircom Bill VerSteeg @
589 Mead Data Central Stephanie Bowman @
590 Royal Bank of Canada N. Lim (416) 348-5197
591 Advantis, Inc. Janet Brehm 813 878-4298
592 Chemical Banking Corp. Paul McDonnell @
593 Eagle Technology Ted Haynes (408) 441-4043
594 BT Tim Oldham @
595 Radix BV P. Groenendaal @
596 TAINET Communication System Corp. Joseph Chen +886-2-6583000 (R.O.C.)
597 Comtek Services Inc. Steve Harris (703) 506-9556
598 Fair Isaac Corporation Cert Admin @
599 AST Research Inc. Bob Beard @

Private Enterprise Numbers are identifiers that can be used in SNMP configurations, in LDAP configurations, and wherever the use of an ASN.1 object identifier (OID) is appropriate.

The PEN prefix is 1.3.6.1.4.1.

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