Zoho IP 74.201.84.162 is Uceprotect blacklisted

Zoho team,

I'd like to report that our IP (74.201.84.162) got blacklisted at uceprotect with absolutely no reason.
I need it to work as soon as possible.
How can I address this problem?

Here follows the email message:

This message was created automatically by mail delivery software.
A message that you sent could not be delivered to one or more of its recipients. This is a permanent error.

thamiris.silveira@cury.net Invalid Address, ERROR_CODE :554, ERROR_CODE :5.7.1 Service unavailable; Client host [74.201.84.162] blocked using dnsbl-1.uceprotect.net; IP 74.201.84.162 is UCEPROTECT-Level 1 listed. See http://www.uceprotect.net/rblcheck.php?ipr=74.201.84.162
isabela.dib@cury.net Invalid Address, ERROR_CODE :554, ERROR_CODE :5.7.1 Service unavailable; Client host [74.201.84.162] blocked using dnsbl-1.uceprotect.net; IP 74.201.84.162 is UCEPROTECT-Level 1 listed. See http://www.uceprotect.net/rblcheck.php?ipr=74.201.84.162

And here de Uceprotect message:

Your IP 74.201.84.162 is part of
AS
12182 INTERNAP-2BLK - Internap Network Services Corporation
2639 ALLTEL - ALLTEL Corporation
and the Networks 74.201.80.0/20 74.201.84.0/24

Reverse DNS (PTR) exists and claimes to be: sender1.zohomail.com

Forward DNS for sender1.zohomail.com is: 74.201.155.26

WARNING: Forward-DNS does NOT match Reverse-DNS.
DNS is INCONSISTENT.
Please request your Admin or Provider to fix this.

This IP is NOT registered at ips.whitelisted.org. More Information about whitelisted.org can be found here.

Thanks and regards,

Franco Yassoyama