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It's in SPF format, but it's also everything. See e.g. https://cloud.google.com/appengine/kb/ https://cloud.google.com/appengine/kb/ Another method is using Ge
by _wmd 7y ago
It's in SPF format, but it's also everything. See e.g. https://cloud.google.com/appengine/kb/ https://cloud.google.com/appengine/kb/
Another method is using GeoIP's ASN database, but they also run many ASNs so it would require a little effort to ensure you have them all