EXHIBIT 21.1 SUBSIDIARIES OF REGISTRANT Name Jurisdiction - ---- of Incorporation or Organization ---------------- Insight Capital, Inc. (wholly-owned by Insight Midwest, L.P.) Delaware Insight Communications Midwest, LLC (f/k/a Insight Communications of Indiana, LLC) Delaware Insight Midwest Holdings, LLC Delaware Insight Communications of Kentucky, L.P. Delaware Insight Kentucky Partners I, L.P. Delaware Insight Kentucky Partners II, L.P. Delaware Insight Holdings of Ohio, LLC Delaware Insight Communications of Central Ohio, LLC Delaware