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 1997-2025, American Registry for Internet Numbers, Ltd.
#
# start
NetRange: 50.16.0.0 - 50.19.255.255
CIDR: 50.16.0.0/14
NetName: AMAZON-EC2-8
NetHandle: NET-50-16-0-0-1
Parent: NET50 (NET-50-0-0-0-0)
NetType: Direct Allocation
OriginAS:
Organization: Amazon.com, Inc. (AMAZO-4)
RegDate: 2010-10-07
Updated: 2018-02-05
Comment: The activity you have detected originates from a
Comment: dynamic hosting environment.
Comment: For fastest response, please submit abuse reports at
Comment: http://aws-portal.amazon.com/gp/aws/html-forms-controller/contactus/AWSAbuse
Comment: For more information regarding EC2 see:
Comment: http://ec2.amazonaws.com/
Comment: All 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)
Comment: Without these we will be unable to identify
Comment: the correct owner of the IP address at that
Comment: point in time.
Ref: https://rdap.arin.net/registry/ip/50.16.0.0
OrgName: Amazon.com, Inc.
OrgId: AMAZO-4
Address: Amazon Web Services, Inc.
Address: P.O. Box 81226
City: Seattle
StateProv: WA
PostalCode: 98108-1226
Country: US
RegDate: 2005-09-29
Updated: 2022-09-30
Comment: For details of this service please see
Comment: http://ec2.amazonaws.com
Ref: https://rdap.arin.net/registry/entity/AMAZO-4
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
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
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
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
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
RNOCHandle: ANO24-ARIN
RNOCName: Amazon EC2 Network Operations
RNOCPhone: +1-206-555-0000
RNOCEmail: amzn-noc-contact@amazon.com
RNOCRef: https://rdap.arin.net/registry/entity/ANO24-ARIN
RAbuseHandle: AEA8-ARIN
RAbuseName: Amazon EC2 Abuse
RAbusePhone: +1-206-555-0000
RAbuseEmail: trustandsafety@support.aws.com
RAbuseRef: https://rdap.arin.net/registry/entity/AEA8-ARIN
RTechHandle: ANO24-ARIN
RTechName: Amazon EC2 Network Operations
RTechPhone: +1-206-555-0000
RTechEmail: amzn-noc-contact@amazon.com
RTechRef: https://rdap.arin.net/registry/entity/ANO24-ARIN
# end
# start
NetRange: 50.16.0.0 - 50.17.255.255
CIDR: 50.16.0.0/15
NetName: AMAZON-IAD
NetHandle: NET-50-16-0-0-2
Parent: AMAZON-EC2-8 (NET-50-16-0-0-1)
NetType: Reallocated
OriginAS:
Organization: Amazon Data Services Northern Virginia (ADSN-1)
RegDate: 2020-04-16
Updated: 2020-04-16
Ref: https://rdap.arin.net/registry/ip/50.16.0.0
OrgName: Amazon Data Services Northern Virginia
OrgId: ADSN-1
Address: 13200 Woodland Park Road
City: Herndon
StateProv: VA
PostalCode: 20171
Country: US
RegDate: 2018-04-25
Updated: 2025-08-14
Ref: https://rdap.arin.net/registry/entity/ADSN-1
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
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
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
#
# 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 1997-2025, American Registry for Internet Numbers, Ltd.
#
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 50.16.158.138
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 15618
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0
;; QUESTION SECTION:
;50.16.158.138. IN A
;; AUTHORITY SECTION:
. 30 IN SOA a.root-servers.net. nstld.verisign-grs.com. 2025110301 1800 900 604800 86400
;; Query time: 11 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Tue Nov 04 08:00:09 CST 2025
;; MSG SIZE rcvd: 106
138.158.16.50.in-addr.arpa domain name pointer ec2-50-16-158-138.compute-1.amazonaws.com.
Server: 183.60.83.19
Address: 183.60.83.19#53
Non-authoritative answer:
138.158.16.50.in-addr.arpa name = ec2-50-16-158-138.compute-1.amazonaws.com.
Authoritative answers can be found from:
| IP | Type | Details | Datetime |
|---|---|---|---|
| 103.66.79.215 | attackbots | 2019-10-21 x@x 2019-10-21 09:38:48 unexpected disconnection while reading SMTP command from ([103.66.79.215]) [103.66.79.215]:4750 I=[10.100.18.22]:25 (error: Connection reset by peer) 2019-10-21 x@x ........ ----------------------------------------------- https://www.blocklist.de/en/view.html?ip=103.66.79.215 |
2019-10-23 01:34:01 |
| 112.85.42.238 | attack | 2019-10-22T19:22:11.806451scmdmz1 sshd\[26651\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=112.85.42.238 user=root 2019-10-22T19:22:13.921287scmdmz1 sshd\[26651\]: Failed password for root from 112.85.42.238 port 25864 ssh2 2019-10-22T19:22:16.034829scmdmz1 sshd\[26651\]: Failed password for root from 112.85.42.238 port 25864 ssh2 ... |
2019-10-23 01:29:53 |
| 45.117.1.74 | attackbotsspam | Attempt to attack host OS, exploiting network vulnerabilities, on 22-10-2019 12:45:36. |
2019-10-23 01:43:43 |
| 36.82.14.140 | attackbotsspam | Attempt to attack host OS, exploiting network vulnerabilities, on 22-10-2019 12:45:36. |
2019-10-23 01:44:43 |
| 128.199.157.28 | attackbots | Oct 22 13:59:44 tux-35-217 sshd\[24260\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=128.199.157.28 user=root Oct 22 13:59:47 tux-35-217 sshd\[24260\]: Failed password for root from 128.199.157.28 port 41381 ssh2 Oct 22 14:00:41 tux-35-217 sshd\[24273\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=128.199.157.28 user=root Oct 22 14:00:43 tux-35-217 sshd\[24273\]: Failed password for root from 128.199.157.28 port 33958 ssh2 ... |
2019-10-23 01:22:19 |
| 80.211.30.166 | attack | Oct 22 19:42:47 server sshd\[12527\]: Invalid user brody from 80.211.30.166 Oct 22 19:42:47 server sshd\[12527\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=80.211.30.166 Oct 22 19:42:49 server sshd\[12527\]: Failed password for invalid user brody from 80.211.30.166 port 60210 ssh2 Oct 22 19:53:26 server sshd\[15096\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=80.211.30.166 user=root Oct 22 19:53:28 server sshd\[15096\]: Failed password for root from 80.211.30.166 port 51182 ssh2 ... |
2019-10-23 01:27:56 |
| 51.252.103.239 | attackbots | Attempt to attack host OS, exploiting network vulnerabilities, on 22-10-2019 12:45:37. |
2019-10-23 01:42:21 |
| 171.25.193.20 | attackbotsspam | Oct 22 18:51:52 vpn01 sshd[14393]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=171.25.193.20 Oct 22 18:51:54 vpn01 sshd[14393]: Failed password for invalid user adrienne from 171.25.193.20 port 65350 ssh2 ... |
2019-10-23 01:21:01 |
| 151.101.241.135 | attackspam | Oct 22 11:43:47 DDOS Attack: SRC=151.101.241.135 DST=[Masked] LEN=71 TOS=0x00 PREC=0x00 TTL=59 DF PROTO=TCP SPT=443 DPT=61892 WINDOW=31088 RES=0x00 ACK PSH FIN URGP=0 |
2019-10-23 01:25:27 |
| 59.46.19.83 | attack | Unauthorised access (Oct 22) SRC=59.46.19.83 LEN=52 TOS=0x10 PREC=0x40 TTL=47 ID=12615 DF TCP DPT=445 WINDOW=8192 SYN |
2019-10-23 01:24:15 |
| 105.225.32.225 | attackbotsspam | 2019-10-21 x@x 2019-10-21 09:43:56 unexpected disconnection while reading SMTP command from (32-225-105-225.north.dsl.telkomsa.net) [105.225.32.225]:29647 I=[10.100.18.23]:25 (error: Connection reset by peer) 2019-10-21 x@x ........ ----------------------------------------------- https://www.blocklist.de/en/view.html?ip=105.225.32.225 |
2019-10-23 01:24:59 |
| 36.76.152.149 | attackbotsspam | Attempt to attack host OS, exploiting network vulnerabilities, on 22-10-2019 12:45:35. |
2019-10-23 01:45:30 |
| 71.6.165.200 | attackbots | Port scan: Attack repeated for 24 hours |
2019-10-23 02:02:39 |
| 103.205.68.2 | attack | Oct 22 18:52:47 [host] sshd[20008]: Invalid user download from 103.205.68.2 Oct 22 18:52:47 [host] sshd[20008]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.205.68.2 Oct 22 18:52:49 [host] sshd[20008]: Failed password for invalid user download from 103.205.68.2 port 60372 ssh2 |
2019-10-23 01:24:01 |
| 164.132.209.242 | attackbotsspam | Oct 22 08:28:17 xtremcommunity sshd\[777681\]: Invalid user chinaman218 from 164.132.209.242 port 52312 Oct 22 08:28:17 xtremcommunity sshd\[777681\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=164.132.209.242 Oct 22 08:28:19 xtremcommunity sshd\[777681\]: Failed password for invalid user chinaman218 from 164.132.209.242 port 52312 ssh2 Oct 22 08:32:22 xtremcommunity sshd\[777778\]: Invalid user Box@2017 from 164.132.209.242 port 35562 Oct 22 08:32:22 xtremcommunity sshd\[777778\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=164.132.209.242 ... |
2019-10-23 02:04:04 |