They're likely be part of a cafe/hotel/guest wlan or a poorly managed "intranet" full of vulnerable stuff that needs to be shielded from CSRF. That's in additio

They're likely be part of a cafe/hotel/guest wlan or a poorly managed "intranet" full of vulnerable stuff that needs to be shielded from CSRF. That's in addition to having ambiguous addresses. So should definitely be treated as less safe.