216.244.66.250 DDoS top ten IPs

cat /usr/local/apache/domlogs/treadstone71.com | awk '{print $1}' | sort -n | uniq -c | sort -nr | head -10

   5118 216.244.66.250

    680 34.221.18.165

    661 35.89.25.240

    626 34.219.227.81

    624 52.38.233.142

    624 35.86.170.112

    616 54.218.148.142

    610 54.191.58.218

    605 35.167.216.162

    604 34.216.26.139

WHOIS Source:      ARIN
IP Address:        216.244.66.250
Country:           USA - Washington
Network Name:      WOW-IPV4-NET3
Owner Name:        Wowrack.com
CIDR:              216.244.64.0/19
From IP:           216.244.64.0
To IP:             216.244.95.255
Allocated:         Yes
Contact Name:      Wowrack.com
Address:           12201 Tukwila International Blvd, STE 100, Seattle
Email:             ***@wowrack.com
Abuse Email:       abuse@wowrack.com
Phone:             +1-206-522-4402 

WHOIS Record:

#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at:      https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2022, American Registry for Internet Numbers, Ltd.
#


NetRange:            216.244.64.0 - 216.244.95.255
CIDR:                216.244.64.0/19
NetName:             WOW-IPV4-NET3
NetHandle:           NET-216-244-64-0-1
Parent:              NET216 (NET-216-0-0-0-0)
NetType:             Direct Allocation
OriginAS:            AS23033
Organization:        Wowrack.com (WOWTEC-1)
RegDate:             1999-09-29
Updated:             2012-03-02
Ref:                 https://rdap.arin.net/registry/ip/216.244.64.0


OrgName:             Wowrack.com
OrgId:               WOWTEC-1
Address:             12201 Tukwila International Blvd
Address:             STE 100
City:                Seattle
StateProv:           WA
PostalCode:          98168
Country:             US
RegDate:             2002-01-07
Updated:             2018-05-31
Ref:                 https://rdap.arin.net/registry/entity/WOWTEC-1


OrgTechHandle:      WOWRA1-ARIN
OrgTechName:        Wowrack NOC
OrgTechPhone:       +1-206-522-4402 
OrgTechEmail:       ***@wowrack.com
OrgTechRef:         https://rdap.arin.net/registry/entity/WOWRA1-ARIN

OrgAbuseHandle:      WAT1-ARIN
OrgAbuseName:        Wowrack Abuse Team
OrgAbusePhone:       +1-206-522-4402 
OrgAbuseEmail:       abuse@wowrack.com
OrgAbuseRef:         https://rdap.arin.net/registry/entity/WAT1-ARIN

OrgNOCHandle:      WOWRA-ARIN
OrgNOCName:        Wowrack Hostmaster
OrgNOCPhone:       +1-206-522-4402 
OrgNOCEmail:       hostmaster@wowrack.com
OrgNOCRef:         https://rdap.arin.net/registry/entity/WOWRA-ARIN