Mailing Address
1015 31ST STREET NW
WASHINGTON DC 20007
Business Address
1015 31ST STREET
WASHINGTON DC 20007
2022954200
COGENT COMMUNICATIONS HOLDINGS, INC. (Subject)
CIK: 0001158324 (see all company filings)
IRS No.: 522337274 | State of Incorp.: DE | Fiscal Year End: 1231
Type: SC 13G/A | Act: 34 | File No.: 005-78106 | Film No.: 15585952
SIC: 7372 Services-Prepackaged Software
Mailing Address
55 EAST 52ND STREET
NEW YORK NY 10055
Business Address
55 EAST 52ND STREET
NEW YORK NY 10055
212-810-5300
BlackRock Inc. (Filed by)
CIK: 0001364742 (see all company filings)
IRS No.: 320174431 | State of Incorp.: DE | Fiscal Year End: 0226
Type: SC 13G/A
SIC: 6211 Security Brokers, Dealers & Flotation Companies