United States Patent and Trademark Office
AS5744 (USPTO) announces at least 10 prefixes:
151.207.232.0/22
about a second ago
NET-151-207-0-0-1
151.207.0.0-151.207.255.255
151.207.240.0/20
151.207.252.0/22
2610:20:5010::/44
U.S. Dept. of Commerce
NET6-2610-20-1
2610:20::-2610:20:5fff:ffff:ffff:ffff:ffff:ffff
2610:20:5011::/48
2610:20:5012::/48
2610:20:5020::/44
2610:20:5100::/40
2610:20:5120::/44
2610:20:5160::/44
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