Henry Kilmer

Corporate Officer/Principal at COGENT COMMUNICATIONS HOLDINGS, INC.

Net worth: 685 536 $ as of 2026-05-30

57 year

35 connections

Communications

Technology Services

Commercial Services

Profile

Mr. Henry W.
Kilmer is a Vice President-Network Strategy at Cogent Communications Holdings, Inc. He is on the Board of Directors at American Registry of Internet Numbers.
Mr. Kilmer was previously employed as a President by Terrapin Communications, a Senior Vice President-Engineering & Operations by Metromedia Fiber Network, Inc., a Senior Vice President-Engineering & Operations by Digex, Inc., a Senior Vice President-Engineering & Operations by Intermedia Communications, Inc., a Senior Vice President-Engineering & Operations by Sprint Corp., and a Senior Vice President-Engineering & Operations by UUNET Technologies, Inc.

Known holdings in public companies

Company	Date	Number of shares	Valuation	Valuation date
COGENT COMMUNICATIONS HOLDINGS INC 0.08%	2026-06-14	38,600 ( 0.08% )	685 536 $	2026-05-30

Henry Kilmer active positions

Companies	Position	Start
COGENT COMMUNICATIONS HOLDINGS, INC.	Corporate Officer/Principal	2010-12-31
American Registry of Internet Numbers	Director/Board Member	2022-12-31

All active positions of Henry Kilmer

Former positions of Henry Kilmer

Companies	Position	End
Terrapin Communications Terrapin Communications Miscellaneous Commercial ServicesCommercial Services Manufactures alarm systems	President	2013-12-31
AboveNet, Inc. AboveNet, Inc. Major TelecommunicationsCommunications Provides fiber connectivity solutions	Corporate Officer/Principal	2001-12-31
Digex, Inc. Digex, Inc. Information Technology ServicesTechnology Services Provides internet services	Corporate Officer/Principal	1998-12-31
Intermedia Communications, Inc. Intermedia Communications, Inc. Specialty TelecommunicationsCommunications Provides integrated communications services to business organisations and government	Corporate Officer/Principal	1998-12-31
SPRINT CORPORATION	Corporate Officer/Principal	1996-12-31

See the detail of Henry Kilmer's experience

Experiences
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Private companies

See the detail of Henry Kilmer's experience

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Linked companies

Private companies	8
AboveNet, Inc. AboveNet, Inc. Major TelecommunicationsCommunications Provides fiber connectivity solutions	Communications
UUNET Technologies, Inc. UUNET Technologies, Inc. Information Technology ServicesTechnology Services Global provider of internet services	Technology Services
Intermedia Communications, Inc. Intermedia Communications, Inc. Specialty TelecommunicationsCommunications Provides integrated communications services to business organisations and government	Communications
Digex, Inc. Digex, Inc. Information Technology ServicesTechnology Services Provides internet services	Technology Services
American Registry of Internet Numbers
Terrapin Communications Terrapin Communications Miscellaneous Commercial ServicesCommercial Services Manufactures alarm systems	Commercial Services
Sprint Corp. Sprint Corp. Wireless TelecommunicationsCommunications Provides wireless and wired telecommunications services	Communications
Cogent Communications Holdings, Inc. Cogent Communications Holdings, Inc. Major TelecommunicationsCommunications Provides internet access, private network and data center colocation services	Communications