13.77.5.90 - Microsoft netblock but SpamCop sends reports to the spammer

[Snowbat]

13.64.0.0 - 13.107.255.255 is Microsoft but SpamCop reports 13.77.5.90 directly to the spammer via the broken "Using rdns to route to correct Microsoft department".

https://www.spamcop.net/sc?id=z6746783648z2c8bf3416a5dd423235f1046874cb14az
Tracking message source: 13.77.5.90:

Routing details for 13.77.5.90
[refresh/show] Cached whois for 13.77.5.90 : abuse@microsoft.com
Using best contacts abuse@microsoft.com
Using rdns to route to correct Microsoft department
host 13.77.5.90 (getting name) no name
host 13.77.5.90 = reacao1.cleanshoppers.net (old cache)
abuse net reacao1.cleanshoppers.net = postmaster@reacao1.cleanshoppers.net, postmaster@cleanshoppers.net

If reported today, reports would be sent to:

Re: 13.77.5.90 (Administrator of IP block - statistics only)

postmaster@cleanshoppers.net
postmaster@reacao1.cleanshoppers.net