PSINet, Inc. COGENT-A (NET-38-0-0-0-1) 38.0.0.0 - 38.255.255.255 PEG TECH INC PEG-TECH-CGNT-NET-11 (NET-38-177-128-0-1) 38.177.128.0 - 38.177.255.255 PEG-KR PEG-KR-187 (NET-38-177-224-0-1) 38.177.224.0 - 38.177.239.255