City: Ashburn
Region: Virginia
Country: United States
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.
#
NetRange: 54.144.0.0 - 54.221.255.255
CIDR: 54.160.0.0/11, 54.220.0.0/15, 54.208.0.0/13, 54.144.0.0/12, 54.216.0.0/14, 54.192.0.0/12
NetName: AMAZON
NetHandle: NET-54-144-0-0-1
Parent: NET54 (NET-54-0-0-0-0)
NetType: Direct Allocation
OriginAS:
Organization: Amazon Technologies Inc. (AT-88-Z)
RegDate: 2014-10-23
Updated: 2021-02-10
Ref: https://rdap.arin.net/registry/ip/54.144.0.0
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: 2026-04-17
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
OrgDNSHandle: DNS1131-ARIN
OrgDNSName: DNS
OrgDNSPhone: +1-202-555-0000
OrgDNSEmail: ipmanagement+dns@amazon.com
OrgDNSRef: https://rdap.arin.net/registry/entity/DNS1131-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
#
# 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 <<>> 54.172.51.23
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 33684
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0
;; QUESTION SECTION:
;54.172.51.23. IN A
;; AUTHORITY SECTION:
. 30 IN SOA a.root-servers.net. nstld.verisign-grs.com. 2026041901 1800 900 604800 86400
;; Query time: 31 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Mon Apr 20 05:30:16 CST 2026
;; MSG SIZE rcvd: 10523.51.172.54.in-addr.arpa domain name pointer ec2-54-172-51-23.compute-1.amazonaws.com.Server: 183.60.83.19
Address: 183.60.83.19#53
Non-authoritative answer:
23.51.172.54.in-addr.arpa name = ec2-54-172-51-23.compute-1.amazonaws.com.
Authoritative answers can be found from:| IP | Type | Details | Datetime |
|---|---|---|---|
| 167.114.251.164 | attackbots | Auto Fail2Ban report, multiple SSH login attempts. |
2020-08-19 17:33:28 |
| 13.71.30.190 | attack | Aug 19 10:55:17 OPSO sshd\[30967\]: Invalid user rootftp from 13.71.30.190 port 35428 Aug 19 10:55:17 OPSO sshd\[30967\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=13.71.30.190 Aug 19 10:55:19 OPSO sshd\[30967\]: Failed password for invalid user rootftp from 13.71.30.190 port 35428 ssh2 Aug 19 11:01:10 OPSO sshd\[31975\]: Invalid user steam from 13.71.30.190 port 57846 Aug 19 11:01:10 OPSO sshd\[31975\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=13.71.30.190 |
2020-08-19 17:14:26 |
| 1.87.227.39 | attackbots | firewall-block, port(s): 5555/tcp |
2020-08-19 17:17:13 |
| 113.181.47.115 | attack | 1597808989 - 08/19/2020 05:49:49 Host: 113.181.47.115/113.181.47.115 Port: 445 TCP Blocked |
2020-08-19 17:22:24 |
| 42.180.88.253 | attack | Unauthorised access (Aug 19) SRC=42.180.88.253 LEN=40 TTL=46 ID=13016 TCP DPT=8080 WINDOW=38962 SYN |
2020-08-19 17:36:58 |
| 106.52.17.82 | attackbotsspam | Aug 19 04:33:38 plex-server sshd[3670001]: Failed password for invalid user kkk from 106.52.17.82 port 47532 ssh2 Aug 19 04:38:31 plex-server sshd[3672013]: Invalid user btm from 106.52.17.82 port 43846 Aug 19 04:38:31 plex-server sshd[3672013]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.52.17.82 Aug 19 04:38:31 plex-server sshd[3672013]: Invalid user btm from 106.52.17.82 port 43846 Aug 19 04:38:33 plex-server sshd[3672013]: Failed password for invalid user btm from 106.52.17.82 port 43846 ssh2 ... |
2020-08-19 17:40:49 |
| 112.15.38.248 | attackspam | $f2bV_matches |
2020-08-19 17:15:29 |
| 8.209.73.223 | attack | Aug 19 08:22:35 electroncash sshd[24494]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=8.209.73.223 Aug 19 08:22:35 electroncash sshd[24494]: Invalid user admin from 8.209.73.223 port 48628 Aug 19 08:22:37 electroncash sshd[24494]: Failed password for invalid user admin from 8.209.73.223 port 48628 ssh2 Aug 19 08:26:27 electroncash sshd[25516]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=8.209.73.223 user=root Aug 19 08:26:29 electroncash sshd[25516]: Failed password for root from 8.209.73.223 port 42544 ssh2 ... |
2020-08-19 17:30:53 |
| 146.88.240.4 | attackbotsspam |
|
2020-08-19 17:39:05 |
| 152.32.167.129 | attackspambots | Invalid user amin from 152.32.167.129 port 51040 |
2020-08-19 17:42:48 |
| 93.174.93.195 | attackspam | firewall-block, port(s): 20480/udp |
2020-08-19 17:07:42 |
| 49.234.119.42 | attack | 2020-08-19T10:37:36.000537mail.broermann.family sshd[4733]: Failed password for invalid user clemens from 49.234.119.42 port 47974 ssh2 2020-08-19T10:43:26.128784mail.broermann.family sshd[4961]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=49.234.119.42 user=root 2020-08-19T10:43:28.311361mail.broermann.family sshd[4961]: Failed password for root from 49.234.119.42 port 47116 ssh2 2020-08-19T10:49:33.666784mail.broermann.family sshd[5247]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=49.234.119.42 user=root 2020-08-19T10:49:35.232487mail.broermann.family sshd[5247]: Failed password for root from 49.234.119.42 port 46240 ssh2 ... |
2020-08-19 17:39:51 |
| 201.92.139.86 | attack | Aug 19 07:54:36 dev0-dcde-rnet sshd[25877]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=201.92.139.86 Aug 19 07:54:37 dev0-dcde-rnet sshd[25877]: Failed password for invalid user sw from 201.92.139.86 port 50671 ssh2 Aug 19 07:59:18 dev0-dcde-rnet sshd[25898]: Failed password for root from 201.92.139.86 port 55452 ssh2 |
2020-08-19 17:10:57 |
| 123.206.190.82 | attackspambots | Invalid user griffin from 123.206.190.82 port 35558 |
2020-08-19 17:31:50 |
| 43.247.70.234 | attackspam | Icarus honeypot on github |
2020-08-19 17:15:58 |