IP Lookup Details:
IP Information - 65.190.208.135
Host name: syn-065-190-208-135.res.spectrum.com
Country: United States
Country Code: US
Region: NC
City: Elizabethtown
Latitude: 34.6849
Longitude: -78.5435
CIDR: 65.184.0.0/13
NetName: RR
NetHandle: NET-65-184-0-0-1
Parent: NET65 (NET-65-0-0-0-0)
NetType: Direct Allocation
OriginAS:
Organization: Charter Communications Inc (CC-3517)
RegDate: 2004-04-07
Updated: 2005-05-16
Ref: https://rdap.arin.net/registry/ip/65.184.0.0
OrgName: Charter Communications Inc
OrgId: CC-3517
Address: 6175 S. Willow Dr
City: Greenwood Village
StateProv: CO
PostalCode: 80111
Country: US
RegDate: 2018-10-10
Updated: 2022-09-14
Comment: Legacy Time Warner Cable IP Assets
Ref: https://rdap.arin.net/registry/entity/CC-3517
OrgTechHandle: IPADD1-ARIN
OrgTechName: IPAddressing
OrgTechPhone: +1-866-248-7662
OrgTechEmail: PublicIPAddressing@charter.com
OrgTechRef: https://rdap.arin.net/registry/entity/IPADD1-ARIN
OrgAbuseHandle: ABUSE19-ARIN
OrgAbuseName: Abuse
OrgAbusePhone: +1-877-777-2263
OrgAbuseEmail: abuse@charter.net
OrgAbuseRef: https://rdap.arin.net/registry/entity/ABUSE19-ARIN
[DoS attack: ACK Scan] (3) attack packets in last 20 sec from ip [65.190.208.135], Wednesday, Nov 22,2017 16:09:57 [DoS attack: ACK Scan] (5) attack packets in last 20 sec from ip [65.190.208.135], Wednesday, Nov 22,2017 16:08:51 [DoS attack: ACK Scan] (2) attack packets in last 20 sec from ip [65.190.208.135], Wednesday, Nov 22,2017 16:08:27 [DoS attack: ACK Scan] (2) attack packets in last 20 sec from ip [65.190.208.135], Wednesday, Nov 22,2017 16:06:51
Might look into block all inbound on your firewall. Most Dos or Aka Port Knocking is on your Wan. So block all inbound on your Wan.