npm install - network error

[cipsicko]

Hi,
I'm trying to run npm install but ETIMEDOUT error occurs.

npm WARN Could not resolve dependency:
npm WARN peer eslint@"^4.9.0" from eslint-config-airbnb@16.1.0
npm WARN node_modules/eslint-config-airbnb
npm WARN   dev eslint-config-airbnb@"^16.1.0" from the root project
npm ERR! code ETIMEDOUT
npm ERR! syscall connect
npm ERR! errno ETIMEDOUT
npm ERR! network request to https://artifactory-vpc.smartling.net/artifactory/api/npm/nodejs/eslint failed, reason: connect ETIMEDOUT 172.27.110.235:443
npm ERR! network This is a problem related to network connectivity.
npm ERR! network In most cases you are behind a proxy or have bad network settings.
npm ERR! network 
npm ERR! network If you are behind a proxy, please make sure that the
npm ERR! network 'proxy' config is set properly.  See: 'npm help config' 

this link is not reachable: https://artifactory-vpc.smartling.net/artifactory/api/npm/nodejs/eslint

could you please check?
Thanks