7 Octet IP address

I just spun up legacy, and I am seeing a strange IP address that goes 7 octets. It doesn’t look like an ipv6, as it is all numbers.

Edit: After looking at it for a bit, it seems there are two IP addresses listed back to back, like 10.10.10.12910.12.2.255 for example

Hello Jancarius,
What is leagacy ?
Is that a CTF machine ?