44818/UDP/TCP - Pentesting EthernetIP
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From Wikipedia article on EtherNet/IP
EtherNet/IP was developed in the late 1990s by Rockwell Automation as part of Rockwell's industrial Ethernet networking solutions. Rockwell gave EtherNet/IP its moniker and handed it over to ODVA, which now manages the protocol and assures multi-vendor system interoperability by requiring adherence to established standards whenever new products that utilize the protocol are developed today.
EtherNet/IP is most commonly used in industrial automation control systems, such as for water processing plants, manufacturing facilities and utilities. Several control system vendors have developed programmable automation controllers and I/O capable of communicating via EtherNet/IP.
An EtherNet/IP device is positively identified by querying TCP/44818 with a list Identities Message (0x63). The response messages will determine if it is a EtherNet/IP device and parse the information to enumerate the device. From
Default port: 44818 UDP/TCP
port:44818 "product name"