City: San Jose
Region: California
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: 52.0.0.0 - 52.79.255.255
CIDR: 52.0.0.0/10, 52.64.0.0/12
NetName: AT-88-Z
NetHandle: NET-52-0-0-0-1
Parent: NET52 (NET-52-0-0-0-0)
NetType: Direct Allocation
OriginAS:
Organization: Amazon Technologies Inc. (AT-88-Z)
RegDate: 1991-12-19
Updated: 2024-02-05
Comment: Geofeed http://ip-ranges.amazonaws.com/geo-ip-feed.csv
Ref: https://rdap.arin.net/registry/ip/52.0.0.0
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
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
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
#
# 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 <<>> 52.53.216.99
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 44761
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0
;; QUESTION SECTION:
;52.53.216.99. IN A
;; AUTHORITY SECTION:
. 30 IN SOA a.root-servers.net. nstld.verisign-grs.com. 2026102602 1800 900 604800 86400
;; Query time: 10 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Tue Oct 27 11:31:03 CST 2026
;; MSG SIZE rcvd: 105
99.216.53.52.in-addr.arpa domain name pointer ec2-52-53-216-99.us-west-1.compute.amazonaws.com.
Server: 183.60.83.19
Address: 183.60.83.19#53
Non-authoritative answer:
99.216.53.52.in-addr.arpa name = ec2-52-53-216-99.us-west-1.compute.amazonaws.com.
Authoritative answers can be found from:
| IP | Type | Details | Datetime |
|---|---|---|---|
| 86.62.81.50 | attackbots | $f2bV_matches |
2020-04-19 12:31:34 |
| 195.231.3.208 | attack | Apr 19 06:57:17 mail.srvfarm.net postfix/smtpd[443331]: warning: unknown[195.231.3.208]: SASL LOGIN authentication failed: UGFzc3dvcmQ6 Apr 19 06:57:17 mail.srvfarm.net postfix/smtpd[456868]: warning: unknown[195.231.3.208]: SASL LOGIN authentication failed: UGFzc3dvcmQ6 Apr 19 06:57:17 mail.srvfarm.net postfix/smtpd[443328]: warning: unknown[195.231.3.208]: SASL LOGIN authentication failed: UGFzc3dvcmQ6 Apr 19 06:57:17 mail.srvfarm.net postfix/smtpd[463444]: warning: unknown[195.231.3.208]: SASL LOGIN authentication failed: UGFzc3dvcmQ6 Apr 19 06:57:17 mail.srvfarm.net postfix/smtpd[463445]: warning: unknown[195.231.3.208]: SASL LOGIN authentication failed: UGFzc3dvcmQ6 |
2020-04-19 13:09:30 |
| 222.186.15.62 | attack | 2020-04-19T06:44:28.061618vps773228.ovh.net sshd[31596]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.15.62 user=root 2020-04-19T06:44:29.967632vps773228.ovh.net sshd[31596]: Failed password for root from 222.186.15.62 port 44629 ssh2 2020-04-19T06:44:28.061618vps773228.ovh.net sshd[31596]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.15.62 user=root 2020-04-19T06:44:29.967632vps773228.ovh.net sshd[31596]: Failed password for root from 222.186.15.62 port 44629 ssh2 2020-04-19T06:44:32.032778vps773228.ovh.net sshd[31596]: Failed password for root from 222.186.15.62 port 44629 ssh2 ... |
2020-04-19 12:47:30 |
| 142.93.193.47 | attack | [2020-04-19 00:39:26] NOTICE[1170][C-00001f74] chan_sip.c: Call from '' (142.93.193.47:54507) to extension '901146406820514' rejected because extension not found in context 'public'. [2020-04-19 00:39:26] SECURITY[1184] res_security_log.c: SecurityEvent="FailedACL",EventTV="2020-04-19T00:39:26.132-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="901146406820514",SessionID="0x7f6c08341c08",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/142.93.193.47/54507",ACLName="no_extension_match" [2020-04-19 00:40:20] NOTICE[1170][C-00001f75] chan_sip.c: Call from '' (142.93.193.47:57474) to extension '801146406820514' rejected because extension not found in context 'public'. [2020-04-19 00:40:20] SECURITY[1184] res_security_log.c: SecurityEvent="FailedACL",EventTV="2020-04-19T00:40:20.233-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="801146406820514",SessionID="0x7f6c08341c08",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/ ... |
2020-04-19 12:55:23 |
| 175.6.135.122 | attack | Apr 19 06:20:01 plex sshd[8757]: Invalid user cs from 175.6.135.122 port 57656 Apr 19 06:20:01 plex sshd[8757]: Invalid user cs from 175.6.135.122 port 57656 Apr 19 06:20:01 plex sshd[8757]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=175.6.135.122 Apr 19 06:20:01 plex sshd[8757]: Invalid user cs from 175.6.135.122 port 57656 Apr 19 06:20:02 plex sshd[8757]: Failed password for invalid user cs from 175.6.135.122 port 57656 ssh2 |
2020-04-19 12:33:20 |
| 106.38.203.230 | attack | 2020-04-19T05:51:54.864094sd-86998 sshd[5073]: Invalid user cv from 106.38.203.230 port 1671 2020-04-19T05:51:54.869546sd-86998 sshd[5073]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.38.203.230 2020-04-19T05:51:54.864094sd-86998 sshd[5073]: Invalid user cv from 106.38.203.230 port 1671 2020-04-19T05:51:57.117212sd-86998 sshd[5073]: Failed password for invalid user cv from 106.38.203.230 port 1671 ssh2 2020-04-19T05:56:10.684853sd-86998 sshd[5462]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.38.203.230 user=root 2020-04-19T05:56:12.746215sd-86998 sshd[5462]: Failed password for root from 106.38.203.230 port 26132 ssh2 ... |
2020-04-19 12:41:42 |
| 178.62.248.61 | attack | (sshd) Failed SSH login from 178.62.248.61 (NL/Netherlands/-): 5 in the last 3600 secs |
2020-04-19 12:44:01 |
| 162.243.130.239 | attackbotsspam | " " |
2020-04-19 12:49:39 |
| 106.13.52.234 | attack | Apr 19 07:33:06 lukav-desktop sshd\[24655\]: Invalid user go from 106.13.52.234 Apr 19 07:33:06 lukav-desktop sshd\[24655\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.13.52.234 Apr 19 07:33:08 lukav-desktop sshd\[24655\]: Failed password for invalid user go from 106.13.52.234 port 59818 ssh2 Apr 19 07:37:35 lukav-desktop sshd\[24889\]: Invalid user postgres from 106.13.52.234 Apr 19 07:37:35 lukav-desktop sshd\[24889\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.13.52.234 |
2020-04-19 12:45:48 |
| 205.185.124.153 | attackspambots | Unauthorized connection attempt detected from IP address 205.185.124.153 to port 22 |
2020-04-19 12:43:30 |
| 217.112.142.250 | attackbots | Apr 19 05:45:27 web01.agentur-b-2.de postfix/smtpd[72153]: NOQUEUE: reject: RCPT from unknown[217.112.142.250]: 450 4.7.1 |
2020-04-19 12:45:09 |
| 68.183.181.7 | attackbots | Apr 19 05:55:58 jane sshd[31362]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=68.183.181.7 Apr 19 05:56:00 jane sshd[31362]: Failed password for invalid user qc from 68.183.181.7 port 58208 ssh2 ... |
2020-04-19 12:48:00 |
| 106.13.215.207 | attack | bruteforce detected |
2020-04-19 12:32:39 |
| 178.238.233.182 | attackbotsspam | Invalid user fh from 178.238.233.182 port 38504 |
2020-04-19 13:00:38 |
| 106.13.184.22 | attackbotsspam | Apr 19 04:16:33 ws26vmsma01 sshd[86286]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.13.184.22 Apr 19 04:16:35 ws26vmsma01 sshd[86286]: Failed password for invalid user admin from 106.13.184.22 port 57046 ssh2 ... |
2020-04-19 12:30:53 |