City: Tokyo
Region: Tokyo
Country: Japan
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: 13.112.0.0 - 13.115.255.255
CIDR: 13.112.0.0/14
NetName: AT-88-Z
NetHandle: NET-13-112-0-0-1
Parent: NET13 (NET-13-0-0-0-0)
NetType: Direct Allocation
OriginAS:
Organization: Amazon Technologies Inc. (AT-88-Z)
RegDate: 2016-08-09
Updated: 2016-08-09
Ref: https://rdap.arin.net/registry/ip/13.112.0.0
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
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
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
OrgDNSHandle: DNS1131-ARIN
OrgDNSName: DNS
OrgDNSPhone: +1-202-555-0000
OrgDNSEmail: ipmanagement+dns@amazon.com
OrgDNSRef: https://rdap.arin.net/registry/entity/DNS1131-ARIN
# end
# start
NetRange: 13.112.0.0 - 13.115.255.255
CIDR: 13.112.0.0/14
NetName: AMAZON-NRT
NetHandle: NET-13-112-0-0-2
Parent: AT-88-Z (NET-13-112-0-0-1)
NetType: Reallocated
OriginAS:
Organization: Amazon Data Services Japan (AMAZO-49)
RegDate: 2016-11-30
Updated: 2016-11-30
Ref: https://rdap.arin.net/registry/ip/13.112.0.0
OrgName: Amazon Data Services Japan
OrgId: AMAZO-49
Address: Meguro Central Square
Address: 3-1-1 Kamiosaki,Shinagawa-ku
City: Tokyo
StateProv:
PostalCode: 141-0021
Country: JP
RegDate: 2012-08-01
Updated: 2023-03-14
Comment: The activity you have detected originates from a dynamic hosting environment.
Comment: For fastest response, please submit abuse reports at 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) 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/AMAZO-49
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
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
# 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 <<>> 13.113.121.187
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 23927
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0
;; QUESTION SECTION:
;13.113.121.187. IN A
;; AUTHORITY SECTION:
. 30 IN SOA a.root-servers.net. nstld.verisign-grs.com. 2026091200 1800 900 604800 86400
;; Query time: 6 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Sun Sep 13 01:00:02 CST 2026
;; MSG SIZE rcvd: 107187.121.113.13.in-addr.arpa domain name pointer ec2-13-113-121-187.ap-northeast-1.compute.amazonaws.com.Server: 183.60.83.19
Address: 183.60.83.19#53
Non-authoritative answer:
187.121.113.13.in-addr.arpa name = ec2-13-113-121-187.ap-northeast-1.compute.amazonaws.com.
Authoritative answers can be found from:| IP | Type | Details | Datetime |
|---|---|---|---|
| 42.117.128.198 | attack | Port probing on unauthorized port 23 |
2020-03-17 11:45:28 |
| 125.161.121.216 | attackspambots | Automatic report - SSH Brute-Force Attack |
2020-03-17 12:31:21 |
| 5.112.69.133 | attackspam | Unauthorized connection attempt from IP address 5.112.69.133 on Port 445(SMB) |
2020-03-17 12:25:22 |
| 201.191.65.27 | attackspambots | Unauthorized connection attempt from IP address 201.191.65.27 on Port 445(SMB) |
2020-03-17 12:27:55 |
| 43.225.194.75 | attackbots | Mar 17 03:21:19 lnxweb62 sshd[762]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=43.225.194.75 |
2020-03-17 11:59:47 |
| 111.231.103.192 | attackspambots | Mar 17 05:34:03 hosting sshd[6484]: Invalid user tongxin from 111.231.103.192 port 51266 ... |
2020-03-17 11:58:15 |
| 185.234.217.191 | attackbotsspam | Mar 17 03:29:31 mail postfix/smtpd\[19700\]: warning: unknown\[185.234.217.191\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6\ Mar 17 04:03:05 mail postfix/smtpd\[21379\]: warning: unknown\[185.234.217.191\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6\ Mar 17 04:14:25 mail postfix/smtpd\[21859\]: warning: unknown\[185.234.217.191\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6\ Mar 17 04:25:40 mail postfix/smtpd\[22007\]: warning: unknown\[185.234.217.191\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6\ |
2020-03-17 11:43:22 |
| 123.235.36.26 | attack | Mar 16 23:42:25 ws24vmsma01 sshd[218855]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=123.235.36.26 Mar 16 23:42:28 ws24vmsma01 sshd[218855]: Failed password for invalid user juan from 123.235.36.26 port 53347 ssh2 ... |
2020-03-17 11:49:16 |
| 111.11.103.154 | attack | " " |
2020-03-17 12:21:56 |
| 49.232.95.250 | attackspambots | IP was detected trying to Brute-Force SSH, FTP, Web Apps, Port-Scan or Hacking. |
2020-03-17 12:12:05 |
| 200.29.238.60 | attackbots | Unauthorized connection attempt from IP address 200.29.238.60 on Port 445(SMB) |
2020-03-17 12:03:16 |
| 36.227.4.111 | attackspambots | Mar 16 14:26:59 cloud sshd[1965]: Failed password for root from 36.227.4.111 port 50202 ssh2 Mar 17 03:45:21 cloud sshd[9637]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=36.227.4.111 |
2020-03-17 12:10:00 |
| 123.16.248.6 | attackspambots | Unauthorized connection attempt from IP address 123.16.248.6 on Port 445(SMB) |
2020-03-17 11:58:37 |
| 125.26.20.110 | attackbotsspam | Unauthorized connection attempt detected from IP address 125.26.20.110 to port 445 |
2020-03-17 11:54:10 |
| 124.160.83.138 | attackspam | 2020-03-17T00:22:04.139774vps773228.ovh.net sshd[25530]: Failed password for root from 124.160.83.138 port 53863 ssh2 2020-03-17T00:29:28.772098vps773228.ovh.net sshd[28272]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=124.160.83.138 user=root 2020-03-17T00:29:30.267295vps773228.ovh.net sshd[28272]: Failed password for root from 124.160.83.138 port 48770 ssh2 2020-03-17T00:33:36.112708vps773228.ovh.net sshd[29796]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=124.160.83.138 user=root 2020-03-17T00:33:37.989052vps773228.ovh.net sshd[29796]: Failed password for root from 124.160.83.138 port 60338 ssh2 ... |
2020-03-17 11:43:55 |