I did a simple search using SIP keywork, and easily got web access to lots of voip devices on the internet. The IP ranges I checked randomly are all ADSL ranges, poor end-users!
In Egypt more than 200 Cisco routers have web admin interface enabled, and exposed publicly.
The database has more than 11K IPs in Egypt, 3K IPs in UAE, and 8K IPs in Saudi Arabia.
Shodan Firefox addon is available here.