<172>Mar 30 2023 12:02:23 10.52.255.1 : %PIX-4-106023: Deny icmp src outside:237.111.140.117 dst inside:105.21.254.160 (type 0, code 0) by access-group "outside"

This is a syslog message from a product called PIX Firewall by Cisco. The following fields were extracted from the message:
priority: 172
senderhost: 10.52.255.1
severitylabel: warning
tags: ['cisco_pix_deny', 'deny', 'cisco_pix', 'firewall_action']
productids: [0]
severitycode: 4
sourceinfo: unknown
sensitivity: normal
facilitylabel: local5
messagetype: firewall_action
vendorcode: PIX-4-106023
action: block
protocol: 1
facilitycode: 21
streamName: cisco_pix
clientIP: 237.111.140.117
serverIP: 105.21.254.160