It's likely they're using a US-based VPN. But why would someone in Norway want to join an American centric forum?
Post: Greetings from Norway ?Suspected spammer. Claims to be from Norway, but IP address shows as located in Kansas:
Details for 77.111.246.167
IP: 77.111.246.167
Decimal: 1299183271
Hostname: 77.111.246.167
ASN: 205016
ISP: Opera Mini Proxy
Organization: Opera Mini Proxy
Services: Network sharing device or proxy server
Recently reported forum spam source. (3)
Note the 3 spam source reports
Wow! That is great to know.