This operation started spamming extensively about a week ago.
% Abuse contact for ‘145.239.189.160 — 145.239.189.175’ is ‘echirli@yandex.com’
inetnum: 145.239.189.160 — 145.239.189.175
netname: OVH_380385496
country: FR
descr: Failover Ips
org: ORG-CE103-RIPE
admin-c: OTC2-RIPE
tech-c: OTC2-RIPE
status: ASSIGNED PA
mnt-by: OVH-MNT
created: 2021-09-03T14:54:24Z
last-modified: 2021-09-03T14:54:24Z
source: RIPE
organisation: ORG-CE103-RIPE
org-name: charli Edam
org-type: OTHER
address: vijay nagar
address: 452001 indore
address: IN
phone: +91.9300263131
abuse-c: ACRO43139-RIPE
mnt-ref: OVH-MNT
mnt-by: OVH-MNT
created: 2021-09-03T14:54:12Z
last-modified: 2021-09-03T14:54:12Z
source: RIPE # Filtered
160.189.239.145.in-addr.arpa. 86400 IN PTR yo1.mc.uaeproperty4u.com.
161.189.239.145.in-addr.arpa. 86400 IN PTR yo2.mc.uaeproperty4u.com.
162.189.239.145.in-addr.arpa. 86400 IN PTR yo3.mc.uaeproperty4u.com.
163.189.239.145.in-addr.arpa. 86400 IN PTR yo4.mc.uaeproperty4u.com.
164.189.239.145.in-addr.arpa. 86400 IN PTR mp1.ec.uaeproperty4u.com.
165.189.239.145.in-addr.arpa. 86400 IN PTR mp2.ec.uaeproperty4u.com.
166.189.239.145.in-addr.arpa. 86400 IN PTR mp3.ec.uaeproperty4u.com.
167.189.239.145.in-addr.arpa. 86400 IN PTR mp4.ec.uaeproperty4u.com.
168.189.239.145.in-addr.arpa. 86400 IN PTR bc1.mailer.uaeproperty4u.com.
169.189.239.145.in-addr.arpa. 86400 IN PTR bc2.mailer.uaeproperty4u.com.
170.189.239.145.in-addr.arpa. 86400 IN PTR bc3.mailer.uaeproperty4u.com.
171.189.239.145.in-addr.arpa. 86400 IN PTR bc4.mailer.uaeproperty4u.com.
172.189.239.145.in-addr.arpa. 86400 IN PTR tc1.mail.uaeproperty4u.com.
173.189.239.145.in-addr.arpa. 86400 IN PTR tc2.mail.uaeproperty4u.com.
174.189.239.145.in-addr.arpa. 86400 IN PTR tc3.mail.uaeproperty4u.com.
175.189.239.145.in-addr.arpa. 86400 IN PTR tc4.mail.uaeproperty4u.com.