Mailing Address
2450 N STREET, NW
WASHINGTON DC 20037
Business Address
2450 N STREET, NW
WASHINGTON DC 20037
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.: 18536839
SIC: 4899 Communications Services, NEC
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: 1231
Type: SC 13G/A
SIC: 6211 Security Brokers, Dealers & Flotation Companies
