City: Singapore
Region: unknown
Country: Singapore
Internet Service Provider: unknown
Hostname: unknown
Organization: unknown
Usage Type: unknown
#
# 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 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
51.198.221.52.in-addr.arpa domain name pointer ec2-52-221-198-51.ap-southeast-1.compute.amazonaws.com.
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:
| 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 |