A more specific location within the region
that typically encodes a particular
city/town/metro (and its containing
state/province or country) within the broader
umbrella region category.
The IP address from which the Uptime check
originates. This is a fully specified IP address
(not an IP address range). Most IP addresses, as
of this publication, are in IPv4 format;
however, one should not rely on the IP addresses
being in IPv4 format indefinitely, and should
support interpreting this field in either IPv4
or IPv6 format.