IP address range to use for webhook

Commerce API
1

Hi, i wanted to add coinbase IPs to firewall on my endpoint but i can’t find IPs in official documentation here Securing Commerce API Webhooks | Coinbase Cloud

Can anyone help me?
Thanx.

2 
54.175.255.192
54.175.255.193
54.175.255.194
54.175.255.195
54.175.255.196
54.175.255.197
54.175.255.198
54.175.255.199
54.175.255.200
54.175.255.201
54.175.255.202
54.175.255.203
54.175.255.204
54.175.255.205
54.175.255.206
54.175.255.207
54.175.255.208
54.175.255.209
54.175.255.210
54.175.255.211
54.175.255.212
54.175.255.213
54.175.255.214
54.175.255.215
54.175.255.216
54.175.255.217
54.175.255.218
54.175.255.219
54.175.255.220
54.175.255.221
54.175.255.222
54.175.255.223

This is the IP range that was last published, but it looks like its been removed from their documentation. I would recommend not relying on this and instead just secure the webhooks using the webhook secret.