fail2ban bad ip database: ip 122.237.100.140

# Nmap 6.40 scan initiated Sat Oct  6 08:01:02 2018 as: /usr/bin/nmap -sU -sS -O 122.237.100.140
Nmap scan report for 122.237.100.140
Host is up (0.32s latency).
Not shown: 999 open|filtered ports, 994 filtered ports
PORT     STATE  SERVICE
20/tcp   closed ftp-data
21/tcp   open   ftp
22/tcp   open   ssh
3389/tcp closed ms-wbt-server
8080/tcp closed http-proxy
8081/tcp closed blackice-icecap
500/udp  open   isakmp
Device type: general purpose|WAP|media device|webcam|specialized
Running (JUST GUESSING): Linux 2.6.X|3.X (99%), Netgear embedded (93%), Western Digital embedded (93%), AXIS Linux 2.6.X (92%), Crestron 2-Series (90%)
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:axis:210a_network_camera cpe:/h:axis:211_network_camera cpe:/o:axis:linux_kernel:2.6 cpe:/o:crestron:2_series
Aggressive OS guesses: Linux 2.6.32 - 3.9 (99%), Linux 2.6.32 - 3.6 (98%), Linux 2.6.32 (96%), Linux 3.0 - 3.9 (96%), Linux 3.3 (96%), Linux 2.6.32 - 3.2 (95%), Linux 3.0 - 3.1 (95%), Linux 2.6.39 (94%), Linux 2.6.38 - 3.0 (94%), Linux 3.8 (93%)
No exact OS matches for host (test conditions non-ideal).

OS detection performed. Please report any incorrect results at http://nmap.org/submit/ .
# Nmap done at Sat Oct  6 08:02:00 2018 -- 1 IP address (1 host up) scanned in 59.07 seconds