Ports
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IP
Nmap scan report for perf-c-olrws.cengage.com (54.237.151.247) Host is up (0.069s latency). Other addresses for perf-c-olrws.cengage.com (not scanned): 54.162.117.171 18.206.9.121 23.23.182.192 3.220.155.151 35.172.92.243 rDNS record for 54.237.151.247: ec2-54-237-151-247.compute-1.amazonaws.com Not shown: 998 filtered tcp ports (no-response) PORT STATE SERVICE 80/tcp open http 443/tcp open https Nmap done: 1 IP address (1 host up) scanned in 6.26 seconds