In browsing the encap file I see entries that aren't defined as
regional networks:
ex:
44.71.28.0/27
44.71.4.0/27
44.71.4.32/27
44.72.26.0/24
44.72.73.0/26
https://portal.ampr.org/networks.php?a=region&id=162
The listed regional networks skip from 44.70 to 44.74
44.70.0.0/16 Ohio
44.74.0.0/16 North Carolina