Must be a valid IPv4 or IPv6 ip address, e.g. 127.0.0.1 or 2001:DB8:0:0:8:800:200C:417A
Basic Info

City: unknown

Region: unknown

Country: United States

Internet Service Provider: unknown

Hostname: unknown

Organization: unknown

Usage Type: unknown

Comments:
No discussion about this IP yet. Click above link to make one.
Comments on same subnet:
No discussion about this subnet yet..
Whois info:
#
# 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:       138.61.0.0 - 138.61.255.255
CIDR:           138.61.0.0/16
NetName:        DNIC-RNET-138-061
NetHandle:      NET-138-61-0-0-1
Parent:         NET138 (NET-138-0-0-0-0)
NetType:        Direct Allocation
OriginAS:       
Organization:   United States Department of Defense (DoD) (USDDD)
RegDate:        1990-02-08
Updated:        2025-08-29
Ref:            https://rdap.arin.net/registry/ip/138.61.0.0


OrgName:        United States Department of Defense (DoD)
OrgId:          USDDD
Address:        3990 E. Broad Street
City:           Columbus
StateProv:      OH
PostalCode:     43218
Country:        US
RegDate:        2007-01-12
Updated:        2025-03-13
Ref:            https://rdap.arin.net/registry/entity/USDDD


OrgAbuseHandle: MIL-HSTMST-ARIN
OrgAbuseName:   Network DoD
OrgAbusePhone:  +1-844-347-2457 
OrgAbuseEmail:  disa.columbus.ns.mbx.hostmaster-dod-nic@mail.mil
OrgAbuseRef:    https://rdap.arin.net/registry/entity/MIL-HSTMST-ARIN

OrgTechHandle: MIL-HSTMST-ARIN
OrgTechName:   Network DoD
OrgTechPhone:  +1-844-347-2457 
OrgTechEmail:  disa.columbus.ns.mbx.hostmaster-dod-nic@mail.mil
OrgTechRef:    https://rdap.arin.net/registry/entity/MIL-HSTMST-ARIN

OrgTechHandle: REGIS10-ARIN
OrgTechName:   Registration
OrgTechPhone:  +1-844-347-2457 
OrgTechEmail:  disa.columbus.ns.mbx.arin-registrations@mail.mil
OrgTechRef:    https://rdap.arin.net/registry/entity/REGIS10-ARIN

OrgNOCHandle: MIL-HSTMST-ARIN
OrgNOCName:   Network DoD
OrgNOCPhone:  +1-844-347-2457 
OrgNOCEmail:  disa.columbus.ns.mbx.hostmaster-dod-nic@mail.mil
OrgNOCRef:    https://rdap.arin.net/registry/entity/MIL-HSTMST-ARIN

# end


# start

NetRange:       138.61.0.0 - 138.61.255.255
CIDR:           138.61.0.0/16
NetName:        DNIC-RNET-138-061
NetHandle:      NET-138-61-0-0-2
Parent:         DNIC-RNET-138-061 (NET-138-61-0-0-1)
NetType:        Reallocated
OriginAS:       
Organization:   DoD Network Information Center (DNIC)
RegDate:        2025-08-29
Updated:        2025-08-29
Ref:            https://rdap.arin.net/registry/ip/138.61.0.0



OrgName:        DoD Network Information Center
OrgId:          DNIC
Address:        3990 E. Broad Street
City:           Columbus
StateProv:      OH
PostalCode:     43218
Country:        US
RegDate:        
Updated:        2025-03-13
Ref:            https://rdap.arin.net/registry/entity/DNIC


OrgAbuseHandle: REGIS10-ARIN
OrgAbuseName:   Registration
OrgAbusePhone:  +1-844-347-2457 
OrgAbuseEmail:  disa.columbus.ns.mbx.arin-registrations@mail.mil
OrgAbuseRef:    https://rdap.arin.net/registry/entity/REGIS10-ARIN

OrgTechHandle: MIL-HSTMST-ARIN
OrgTechName:   Network DoD
OrgTechPhone:  +1-844-347-2457 
OrgTechEmail:  disa.columbus.ns.mbx.hostmaster-dod-nic@mail.mil
OrgTechRef:    https://rdap.arin.net/registry/entity/MIL-HSTMST-ARIN

OrgTechHandle: REGIS10-ARIN
OrgTechName:   Registration
OrgTechPhone:  +1-844-347-2457 
OrgTechEmail:  disa.columbus.ns.mbx.arin-registrations@mail.mil
OrgTechRef:    https://rdap.arin.net/registry/entity/REGIS10-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 info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 138.61.183.58
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 1647
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;138.61.183.58.			IN	A

;; AUTHORITY SECTION:
.			30	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2026043000 1800 900 604800 86400

;; Query time: 10 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Thu Apr 30 19:22:26 CST 2026
;; MSG SIZE  rcvd: 106
Host info
Host 58.183.61.138.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 58.183.61.138.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
81.70.93.61 attack
Oct 11 20:18:53 s2 sshd[16521]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=81.70.93.61 
Oct 11 20:18:55 s2 sshd[16521]: Failed password for invalid user pio from 81.70.93.61 port 39440 ssh2
Oct 11 20:22:12 s2 sshd[16656]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=81.70.93.61
2020-10-12 05:08:12
222.174.213.180 attackspambots
SSH brutforce
2020-10-12 05:22:32
35.244.25.124 attackbotsspam
prod8
...
2020-10-12 05:16:50
154.74.132.234 attack
1602362963 - 10/10/2020 22:49:23 Host: 154.74.132.234/154.74.132.234 Port: 445 TCP Blocked
2020-10-12 04:59:34
119.45.187.6 attackbots
$f2bV_matches
2020-10-12 04:56:35
203.251.11.118 attackbots
Oct 11 22:58:32 cho sshd[457829]: Invalid user recepcja from 203.251.11.118 port 56648
Oct 11 22:58:32 cho sshd[457829]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=203.251.11.118 
Oct 11 22:58:32 cho sshd[457829]: Invalid user recepcja from 203.251.11.118 port 56648
Oct 11 22:58:34 cho sshd[457829]: Failed password for invalid user recepcja from 203.251.11.118 port 56648 ssh2
Oct 11 23:02:10 cho sshd[458050]: Invalid user lazar from 203.251.11.118 port 60312
...
2020-10-12 05:13:10
112.85.42.110 attack
Oct 11 23:20:20 srv-ubuntu-dev3 sshd[80859]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=112.85.42.110  user=root
Oct 11 23:20:23 srv-ubuntu-dev3 sshd[80859]: Failed password for root from 112.85.42.110 port 39580 ssh2
Oct 11 23:20:26 srv-ubuntu-dev3 sshd[80859]: Failed password for root from 112.85.42.110 port 39580 ssh2
Oct 11 23:20:20 srv-ubuntu-dev3 sshd[80859]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=112.85.42.110  user=root
Oct 11 23:20:23 srv-ubuntu-dev3 sshd[80859]: Failed password for root from 112.85.42.110 port 39580 ssh2
Oct 11 23:20:26 srv-ubuntu-dev3 sshd[80859]: Failed password for root from 112.85.42.110 port 39580 ssh2
Oct 11 23:20:20 srv-ubuntu-dev3 sshd[80859]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=112.85.42.110  user=root
Oct 11 23:20:23 srv-ubuntu-dev3 sshd[80859]: Failed password for root from 112.85.42.110 port 39580 ssh2
O
...
2020-10-12 05:22:18
15.207.37.4 attackspambots
Oct 11 19:50:10 b-vps wordpress(rreb.cz)[30471]: Authentication attempt for unknown user martin from 15.207.37.4
...
2020-10-12 05:10:25
54.161.231.48 attackbotsspam
 TCP (SYN) 54.161.231.48:4201 -> port 23, len 40
2020-10-12 05:03:38
139.217.218.93 attack
Invalid user testftp1 from 139.217.218.93 port 54498
2020-10-12 05:18:19
46.101.154.96 attackbots
Oct 11 13:21:54 *** sshd[3998]: User root from 46.101.154.96 not allowed because not listed in AllowUsers
2020-10-12 04:50:17
218.92.0.176 attackbots
Failed password for invalid user from 218.92.0.176 port 13622 ssh2
2020-10-12 05:04:15
188.75.132.210 attackspambots
Brute force attempt
2020-10-12 05:04:42
177.12.227.131 attackbotsspam
Oct 11 21:53:42 rancher-0 sshd[604744]: Invalid user impala from 177.12.227.131 port 40428
...
2020-10-12 04:51:58
61.133.232.253 attackbotsspam
Oct 11 22:37:42 santamaria sshd\[886\]: Invalid user Zalan from 61.133.232.253
Oct 11 22:37:42 santamaria sshd\[886\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=61.133.232.253
Oct 11 22:37:45 santamaria sshd\[886\]: Failed password for invalid user Zalan from 61.133.232.253 port 42442 ssh2
...
2020-10-12 04:56:56

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