A little script does DNS lookup to get Akamai staging network IP address for a domain
$ sdig www.foo.com [options]
$ brew tap ricky840/sdig
$ brew install sdig
Usage: sdig www.foo.com [options]
-v, --verbose Verbose output. Show whole resolution chain.
-n, --nameserver NAMESERVER Use this nameserver to resolve.
-a, --add Add staging IP spoofing to the hosts file.
-r, --remove Delete all spoofing entries for the domain from the hosts file.
-e, --etn NUMBER(1~11) Add ETN server spoofing to hosts file.
-h, --help Display help message.
To get Akamai staging network IP address for www.akamai.com
$ sdig www.akamai.com
e1699.dscc.akamaiedge-staging.net.
23.62.71.31
Use a specific nameserver to resolve the domain
[ricky@workbox ~ ]$ sdig www.akamai.com -n 1.1.1.1
e1699.dscx.akamaiedge-staging.net.
104.81.198.238
[ricky@workbox ~ ]$ sdig www.akamai.com -n 8.8.8.8
e1699.dscx.akamaiedge-staging.net.
23.51.1.37
Add Spoofing staging IP address for www.akamai.com
$ sdig www.akamai.com -a
e1699.dscx.akamaiedge-staging.net.
23.51.1.37
sdig: 23.51.1.37 was added to /etc/hosts.
Remove www.akamai.com entry from /etc/hosts file.
$ sdig www.akamai.com -r
sdig: removed www.akamai.com from /etc/hosts.
Add Spoofing ETN test server IP address.
$ sdig www.akamai.com -e 7
sdig: etn7.akamai.com(205.185.220.230) was added to /etc/hosts.