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:       138.178.0.0 - 138.178.255.255
CIDR:           138.178.0.0/16
NetName:        REGIONAL-ROT1
NetHandle:      NET-138-178-0-0-1
Parent:         NET138 (NET-138-0-0-0-0)
NetType:        Direct Allocation
OriginAS:       
Organization:   United States Department of Defense (DoD) (USDDD)
RegDate:        1990-05-07
Updated:        2025-08-14
Ref:            https://rdap.arin.net/registry/ip/138.178.0.0



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:       138.178.0.0 - 138.178.255.255
CIDR:           138.178.0.0/16
NetName:        REGIONAL-ROT1
NetHandle:      NET-138-178-0-0-2
Parent:         REGIONAL-ROT1 (NET-138-178-0-0-1)
NetType:        Reallocated
OriginAS:       
Organization:   Navy Network Information Center (NNIC) (NNICN-1)
RegDate:        2025-08-14
Updated:        2025-08-14
Ref:            https://rdap.arin.net/registry/ip/138.178.0.0


OrgName:        Navy Network Information Center (NNIC)
OrgId:          NNICN-1
Address:        2465 GUADALCANAL ROAD
Address:        BLDG 1265
City:           VIRGINIA BEACH
StateProv:      VA
PostalCode:     23459
Country:        US
RegDate:        2006-09-21
Updated:        2025-03-13
Ref:            https://rdap.arin.net/registry/entity/NNICN-1


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

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

# 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 <<>> 138.178.66.155
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 30885
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;138.178.66.155.			IN	A

;; AUTHORITY SECTION:
.			30	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2026042400 1800 900 604800 86400

;; Query time: 8 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Sat Apr 25 01:17:48 CST 2026
;; MSG SIZE  rcvd: 107
Host info
Host 155.66.178.138.in-addr.arpa not found: 2(SERVFAIL)
Nslookup info:
server can't find 138.178.66.155.in-addr.arpa: SERVFAIL
Related IP info:
Related comments:
IP Type Details Datetime
218.98.26.182 attackspambots
Sep  3 17:37:31 marvibiene sshd[2837]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=218.98.26.182  user=root
Sep  3 17:37:33 marvibiene sshd[2837]: Failed password for root from 218.98.26.182 port 64585 ssh2
Sep  3 17:37:35 marvibiene sshd[2837]: Failed password for root from 218.98.26.182 port 64585 ssh2
Sep  3 17:37:31 marvibiene sshd[2837]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=218.98.26.182  user=root
Sep  3 17:37:33 marvibiene sshd[2837]: Failed password for root from 218.98.26.182 port 64585 ssh2
Sep  3 17:37:35 marvibiene sshd[2837]: Failed password for root from 218.98.26.182 port 64585 ssh2
...
2019-09-04 01:44:09
104.139.5.180 attackbots
Sep  3 18:37:49 vps691689 sshd[21946]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=104.139.5.180
Sep  3 18:37:52 vps691689 sshd[21946]: Failed password for invalid user ria from 104.139.5.180 port 45510 ssh2
Sep  3 18:42:36 vps691689 sshd[22077]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=104.139.5.180
...
2019-09-04 00:46:21
36.79.250.74 attackbotsspam
Unauthorized connection attempt from IP address 36.79.250.74 on Port 445(SMB)
2019-09-04 00:54:37
116.86.151.64 attackbotsspam
CloudCIX Reconnaissance Scan Detected, PTR: 64.151.86.116.starhub.net.sg.
2019-09-04 00:58:33
221.214.9.91 attack
Sep  3 15:34:45 marvibiene sshd[1044]: Invalid user cav from 221.214.9.91 port 52746
Sep  3 15:34:45 marvibiene sshd[1044]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=221.214.9.91
Sep  3 15:34:45 marvibiene sshd[1044]: Invalid user cav from 221.214.9.91 port 52746
Sep  3 15:34:47 marvibiene sshd[1044]: Failed password for invalid user cav from 221.214.9.91 port 52746 ssh2
...
2019-09-04 01:43:41
104.248.181.166 attackspambots
F2B jail: sshd. Time: 2019-09-03 13:32:09, Reported by: VKReport
2019-09-04 00:50:16
49.231.229.227 attackspambots
Sep  3 20:18:05 taivassalofi sshd[121057]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=49.231.229.227
Sep  3 20:18:07 taivassalofi sshd[121057]: Failed password for invalid user test from 49.231.229.227 port 55662 ssh2
...
2019-09-04 01:29:42
152.136.84.139 attackbotsspam
2019-09-03T11:17:42.416687abusebot-3.cloudsearch.cf sshd\[4253\]: Invalid user shell from 152.136.84.139 port 53654
2019-09-04 01:30:17
64.32.11.10 attack
Tue 03 03:47:28 7777/tcp
Tue 03 03:47:28 8899/tcp
Tue 03 03:47:28 80/tcp
Tue 03 03:47:28 88/tcp
Tue 03 03:47:28 8085/tcp
2019-09-04 01:01:55
104.210.59.145 attack
Sep  3 12:20:49 TORMINT sshd\[24206\]: Invalid user poney from 104.210.59.145
Sep  3 12:20:49 TORMINT sshd\[24206\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=104.210.59.145
Sep  3 12:20:51 TORMINT sshd\[24206\]: Failed password for invalid user poney from 104.210.59.145 port 26497 ssh2
...
2019-09-04 00:52:50
202.77.114.34 attackspam
fraudulent SSH attempt
2019-09-04 00:45:33
188.19.11.200 attack
Unauthorized connection attempt from IP address 188.19.11.200 on Port 445(SMB)
2019-09-04 01:19:23
176.97.52.146 attackspambots
60001/tcp 23/tcp...
[2019-07-06/09-03]4pkt,2pt.(tcp)
2019-09-04 00:49:39
195.26.160.53 attackbotsspam
Unauthorized connection attempt from IP address 195.26.160.53 on Port 445(SMB)
2019-09-04 01:02:31
125.64.94.212 attackspam
19/9/3@12:30:53: FAIL: IoT-Telnet address from=125.64.94.212
...
2019-09-04 01:26:51

Recently Reported IPs

2606:4700:10::6816:2468 2606:4700:10::6814:8780 2606:4700:10::6816:1673 2606:4700:10::6814:5465
178.205.28.157 84.247.167.111 45.159.95.254 2606:4700:10::6814:7031
134.35.157.44 2606:4700:10::6814:6656 110.77.226.131 2606:4700:10::6816:234
2606:4700:10::6816:2680 209.131.65.42 176.117.82.248 2606:4700:10::6814:6107
103.153.183.69 51.158.248.221 195.184.76.52 195.184.76.208