Must be a valid IPv4 or IPv6 ip address, e.g. 127.0.0.1 or 2001:DB8:0:0:8:800:200C:417A
Basic Info

City: Singapore

Region: unknown

Country: Singapore

Internet Service Provider: unknown

Hostname: unknown

Organization: unknown

Usage Type: unknown

Comments:
No discussion about this IP yet. Click above link to make one.
Comments on same subnet:
No discussion about this subnet yet..
Whois info:
#
# 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 1997-2026, American Registry for Internet Numbers, Ltd.
#



# start

NetRange:       52.192.0.0 - 52.223.191.255
CIDR:           52.192.0.0/12, 52.220.0.0/15, 52.208.0.0/13, 52.223.128.0/18, 52.216.0.0/14, 52.222.0.0/16, 52.223.0.0/17
NetName:        AT-88-Z
NetHandle:      NET-52-192-0-0-1
Parent:         NET52 (NET-52-0-0-0-0)
NetType:        Direct Allocation
OriginAS:       
Organization:   Amazon Technologies Inc. (AT-88-Z)
RegDate:        2015-09-02
Updated:        2020-09-24
Ref:            https://rdap.arin.net/registry/ip/52.192.0.0



OrgName:        Amazon Technologies Inc.
OrgId:          AT-88-Z
Address:        410 Terry Ave N.
City:           Seattle
StateProv:      WA
PostalCode:     98109
Country:        US
RegDate:        2011-12-08
Updated:        2024-01-24
Comment:        All abuse reports MUST include:
Comment:        * src IP
Comment:        * dest IP (your IP)
Comment:        * dest port
Comment:        * Accurate date/timestamp and timezone of activity
Comment:        * Intensity/frequency (short log extracts)
Comment:        * Your contact details (phone and email) Without these we will be unable to identify the correct owner of the IP address at that point in time.
Ref:            https://rdap.arin.net/registry/entity/AT-88-Z


OrgRoutingHandle: IPROU3-ARIN
OrgRoutingName:   IP Routing
OrgRoutingPhone:  +1-206-555-0000 
OrgRoutingEmail:  aws-routing-poc@amazon.com
OrgRoutingRef:    https://rdap.arin.net/registry/entity/IPROU3-ARIN

OrgRoutingHandle: ARMP-ARIN
OrgRoutingName:   AWS RPKI Management POC
OrgRoutingPhone:  +1-206-555-0000 
OrgRoutingEmail:  aws-rpki-routing-poc@amazon.com
OrgRoutingRef:    https://rdap.arin.net/registry/entity/ARMP-ARIN

OrgNOCHandle: AANO1-ARIN
OrgNOCName:   Amazon AWS Network Operations
OrgNOCPhone:  +1-206-555-0000 
OrgNOCEmail:  amzn-noc-contact@amazon.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/AANO1-ARIN

OrgAbuseHandle: AEA8-ARIN
OrgAbuseName:   Amazon EC2 Abuse
OrgAbusePhone:  +1-206-555-0000 
OrgAbuseEmail:  trustandsafety@support.aws.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/AEA8-ARIN

OrgTechHandle: ANO24-ARIN
OrgTechName:   Amazon EC2 Network Operations
OrgTechPhone:  +1-206-555-0000 
OrgTechEmail:  amzn-noc-contact@amazon.com
OrgTechRef:    https://rdap.arin.net/registry/entity/ANO24-ARIN

# end


# start

NetRange:       52.220.0.0 - 52.221.255.255
CIDR:           52.220.0.0/15
NetName:        AMAZON-SIN
NetHandle:      NET-52-220-0-0-1
Parent:         AT-88-Z (NET-52-192-0-0-1)
NetType:        Reallocated
OriginAS:       
Organization:   Amazon Data Services Singapore (ADSS-3)
RegDate:        2015-12-10
Updated:        2015-12-10
Ref:            https://rdap.arin.net/registry/ip/52.220.0.0



OrgName:        Amazon Data Services Singapore
OrgId:          ADSS-3
Address:        Bedok Central Post Office
Address:        PO Box 482
City:           Singapore
StateProv:      
PostalCode:     049481
Country:        SG
RegDate:        2015-12-09
Updated:        2019-08-02
Ref:            https://rdap.arin.net/registry/entity/ADSS-3


OrgAbuseHandle: AEA8-ARIN
OrgAbuseName:   Amazon EC2 Abuse
OrgAbusePhone:  +1-206-555-0000 
OrgAbuseEmail:  trustandsafety@support.aws.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/AEA8-ARIN

OrgTechHandle: ANO24-ARIN
OrgTechName:   Amazon EC2 Network Operations
OrgTechPhone:  +1-206-555-0000 
OrgTechEmail:  amzn-noc-contact@amazon.com
OrgTechRef:    https://rdap.arin.net/registry/entity/ANO24-ARIN

OrgNOCHandle: AANO1-ARIN
OrgNOCName:   Amazon AWS Network Operations
OrgNOCPhone:  +1-206-555-0000 
OrgNOCEmail:  amzn-noc-contact@amazon.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/AANO1-ARIN

# end



#
# 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 1997-2026, American Registry for Internet Numbers, Ltd.
#
Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 52.221.198.51
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 12362
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;52.221.198.51.			IN	A

;; AUTHORITY SECTION:
.			29	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2026040802 1800 900 604800 86400

;; Query time: 6 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Thu Apr 09 10:36:36 CST 2026
;; MSG SIZE  rcvd: 106
Host info
51.198.221.52.in-addr.arpa domain name pointer ec2-52-221-198-51.ap-southeast-1.compute.amazonaws.com.
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

Non-authoritative answer:
51.198.221.52.in-addr.arpa	name = ec2-52-221-198-51.ap-southeast-1.compute.amazonaws.com.

Authoritative answers can be found from:
Related IP info:
Related comments:
IP Type Details Datetime
143.208.79.179 attackspambots
Unauthorized connection attempt from IP address 143.208.79.179 on Port 445(SMB)
2019-06-30 05:00:47
176.9.213.121 attack
WP Authentication failure
2019-06-30 05:19:45
118.69.76.189 attack
Unauthorized connection attempt from IP address 118.69.76.189 on Port 445(SMB)
2019-06-30 05:15:05
91.205.236.66 attack
Scanning random ports - tries to find possible vulnerable services
2019-06-30 04:53:02
162.243.138.97 attackspam
firewall-block, port(s): 9042/tcp
2019-06-30 05:06:44
188.117.151.197 attack
Jun 24 23:35:46 xxxxxxx8434580 sshd[5957]: Invalid user jira from 188.117.151.197
Jun 24 23:35:46 xxxxxxx8434580 sshd[5957]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=host-188.117.151.197.static.3s.pl 
Jun 24 23:35:47 xxxxxxx8434580 sshd[5957]: Failed password for invalid user jira from 188.117.151.197 port 48938 ssh2
Jun 24 23:35:47 xxxxxxx8434580 sshd[5957]: Received disconnect from 188.117.151.197: 11: Bye Bye [preauth]
Jun 24 23:37:27 xxxxxxx8434580 sshd[5961]: Invalid user poster from 188.117.151.197
Jun 24 23:37:27 xxxxxxx8434580 sshd[5961]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=host-188.117.151.197.static.3s.pl 
Jun 24 23:37:30 xxxxxxx8434580 sshd[5961]: Failed password for invalid user poster from 188.117.151.197 port 4242 ssh2
Jun 24 23:37:30 xxxxxxx8434580 sshd[5961]: Received disconnect from 188.117.151.197: 11: Bye Bye [preauth]


........
-----------------------------------------------
https://www.bloc
2019-06-30 05:18:22
121.96.34.205 attackbots
[munged]::443 121.96.34.205 - - [29/Jun/2019:21:02:42 +0200] "POST /[munged]: HTTP/1.1" 200 6971 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
2019-06-30 04:45:33
191.53.194.63 attack
SMTP-sasl brute force
...
2019-06-30 04:59:25
77.203.45.108 attackspambots
Jun 29 14:57:26 localhost sshd[15286]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=77.203.45.108
Jun 29 14:57:28 localhost sshd[15286]: Failed password for invalid user abel from 77.203.45.108 port 41440 ssh2
Jun 29 15:00:18 localhost sshd[15291]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=77.203.45.108
Jun 29 15:00:19 localhost sshd[15291]: Failed password for invalid user deploy from 77.203.45.108 port 58505 ssh2
...
2019-06-30 05:28:18
121.122.45.221 attackbots
$f2bV_matches
2019-06-30 04:57:21
159.65.75.4 attackspam
Brute force attempt
2019-06-30 05:21:10
98.150.68.80 attackspambots
SSH/22 MH Probe, BF, Hack -
2019-06-30 05:14:20
14.141.67.86 attackspambots
Unauthorised access (Jun 29) SRC=14.141.67.86 LEN=40 PREC=0x20 TTL=242 ID=31020 TCP DPT=445 WINDOW=1024 SYN
2019-06-30 04:49:43
45.55.131.104 attackbots
Jun 29 21:45:13 meumeu sshd[12897]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=45.55.131.104 
Jun 29 21:45:15 meumeu sshd[12897]: Failed password for invalid user guest from 45.55.131.104 port 44038 ssh2
Jun 29 21:46:43 meumeu sshd[13309]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=45.55.131.104 
...
2019-06-30 05:08:09
200.148.140.253 attackspam
Unauthorized connection attempt from IP address 200.148.140.253 on Port 445(SMB)
2019-06-30 04:56:47

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