AS5744 — USPTO
AS5744 announces 2 IPv4 prefixes covering 5,120 addresses and 3 IPv6 prefixes.
About this network
USPTO is the United States Patent and Trademark Office, the federal agency within the Department of Commerce that examines patent applications and registers trademarks.
What it's used for
- The agency's own network: examiner workstations and internal systems at its Alexandria, Virginia campus and regional offices, plus the public-facing patent and trademark search, filing and full-text databases.
Notable
- A government network, so the addresses are staff and agency infrastructure rather than consumers or hosting customers.
- ARIN registered this ASN to the USPTO in 1995, a genuine mid-90s allocation from the era when federal agencies were first bringing their own networks onto the commercial internet.
Interesting
- The USPTO's public search systems are among the most heavily scraped government databases anywhere, since patent and trademark records are prior art that the whole world needs to read.
This description is AI-generated, best-effort context — not authoritative, and provided without any guarantee of accuracy.
Announced prefixes
- 151.207.232.0/22
- 151.207.240.0/20
- 2610:20:5010::/44
- 2610:20:5020::/44
- 2610:20:5100::/40
Upstream networks
- AS3477 National Oceanic and Atmospheric Administration
Adjacent networks
- AS3477 National Oceanic and Atmospheric Administration
BGP / ASN / CIDR
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IPv4
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Search Results
IPv4 Prefixes
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IPv6 Prefixes
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Total Prefixes
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Unique /24s
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⚠ SUSPICIOUS PREFIX ANNOUNCEMENTS DETECTED