The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Apr. 08, 2025

Filed:

Oct. 28, 2022
Applicant:

Censys, Inc., Ann Arbor, MI (US);

Inventors:

Jeff Cody, Huntertown, IN (US);

David Adrian, Denver, CO (US);

J. Alex Halderman, Ann Arbor, MI (US);

Paul A. Parkanzky, Ann Arbor, MI (US);

Assignee:

Censys, Inc., Ann Arbor, MI (US);

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H04L 69/12 (2022.01); H04L 9/40 (2022.01); H04L 67/51 (2022.01);
U.S. Cl.
CPC ...
H04L 69/12 (2013.01); H04L 63/1433 (2013.01); H04L 67/51 (2022.05);
Abstract

Various embodiments of a scanning engine are described. In some embodiments, the scanning engine comprises discovery components associated with different Internet providers and/or protocol detection components associated with the different Internet providers. When a first discovery component associated with a first Internet provider does not receive a response from a port at an Internet address, then a second discovery component associated with a second Internet provider sends packets to that port at that Internet address to attempt to elicit a response. When a first protocol inspection component associated with a first Internet provider is not able to communicate with a port at an Internet address, then it provides information that can be obtained by a second protocol inspection component associated with a second Internet provider. That second protocol inspection component attempts to communicate with the port at the Internet address through the second Internet provider using various communication protocols.


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