fail2ban bad ip database: ip 223.255.139.18

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ip: 223.255.139.18
hostname: 223.255.139.18
country: [HK] Hong Kong
first reported: 07.10.2018 13:30.23 GMT+0100
last reported: 07.01.2019 13:06.40 GMT+0100
time period: 92d 36m 17s
total reports: 11
reported by: 1 host(s)
filter(s): sasl (11)
tor exit node no
badips.com db
Lookup
  

port scan of '223.255.139.18':

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# Nmap 6.40 scan initiated Sun Oct  7 13:31:02 2018 as: /usr/bin/nmap -sU -sS -O 223.255.139.18
Nmap scan report for 223.255.139.18
Host is up (0.17s latency).
Not shown: 991 open|filtered ports, 986 filtered ports
PORT     STATE  SERVICE
53/tcp   open   domain
80/tcp   closed http
139/tcp  open   netbios-ssn
443/tcp  closed https
445/tcp  open   microsoft-ds
515/tcp  open   printer
631/tcp  closed ipp
1723/tcp open   pptp
3389/tcp open   ms-wbt-server
4444/tcp open   krb524
8000/tcp open   http-alt
8001/tcp closed vcom-tunnel
8002/tcp closed teradataordbms
8443/tcp closed https-alt
53/udp   open   domain
80/udp   closed http
137/udp  open   netbios-ns
139/udp  closed netbios-ssn
161/udp  closed snmp
162/udp  closed snmptrap
443/udp  closed https
500/udp  open   isakmp
8000/udp closed irdmi
Device type: general purpose|WAP|media device|storage-misc|broadband router
Running (JUST GUESSING): Linux 2.6.X|3.X|2.4.X (92%), Netgear embedded (88%), Western Digital embedded (88%), HP embedded (88%), Linksys Linux 2.4.X (87%)
OS CPE: cpe:/o:linux:linux_kernel:2.6 cpe:/o:linux:linux_kernel:3 cpe:/h:netgear:dg834g cpe:/o:westerndigital:wd_tv cpe:/h:hp:p2000_g3 cpe:/o:linux:linux_kernel:2.6.22 cpe:/o:linksys:linux_kernel:2.4 cpe:/o:linux:linux_kernel:2.4
Aggressive OS guesses: Linux 2.6.26 - 2.6.35 (92%), Linux 3.0 - 3.9 (92%), Linux 3.0 (91%), Linux 2.6.32 (90%), Linux 2.6.23 - 2.6.38 (90%), Linux 2.6.32 - 3.9 (89%), Linux 2.6.8 - 2.6.27 (88%), Netgear DG834G WAP or Western Digital WD TV media player (88%), HP P2000 G3 NAS device (88%), Linux 3.5 (88%)
No exact OS matches for host (test conditions non-ideal).
Network Distance: 10 hops

OS detection performed. Please report any incorrect results at http://nmap.org/submit/ .
# Nmap done at Sun Oct  7 13:42:22 2018 -- 1 IP address (1 host up) scanned in 680.88 seconds
Σ = 21 | Δt = 0.019070148468018s