** Shares of internet provider Cogent Communications CCOI.O down 27.7% at $16.75 premarket
** Co posted Q1 revenue of $231.9 mln, below analysts' average estimates of $241.9 mln - data compiled by LSEG
** Off-net revenue fell 4.2% sequentially and 17.0% yr/yr, reflecting continued reduction in off-net customers and connections
** However, Q1 basic loss per share of $0.83, beat analyst est. of loss per share of $1
** Four out of 12 analysts rate stock "buy" or higher, seven rate it "hold", one "sell"; median PT at $23 - data compiled by LSEG
** As of last close, CCOI stock up 7.4% YTD
(Reporting by Tharuniyaa Lakshmi in Bengaluru)
((tharuniyaa@thomsonreuters.com))