21.194.25.163 - IPInfo

Basic Info

City: unknown

Region: unknown

Country: United States

Internet Service Provider: unknown

Hostname: unknown

Organization: unknown

Usage Type: unknown

Comments:

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Comments on same subnet:

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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:       21.0.0.0 - 21.255.255.255
CIDR:           21.0.0.0/8
NetName:        DNIC-SNET-021
NetHandle:      NET-21-0-0-0-1
Parent:          ()
NetType:        Direct Allocation
OriginAS:       
Organization:   United States Department of Defense (DoD) (USDDD)
RegDate:        1991-07-01
Updated:        2025-09-05
Ref:            https://rdap.arin.net/registry/ip/21.0.0.0



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:       21.0.0.0 - 21.255.255.255
CIDR:           21.0.0.0/8
NetName:        DNIC-SNET-021
NetHandle:      NET-21-0-0-0-2
Parent:         DNIC-SNET-021 (NET-21-0-0-0-1)
NetType:        Reallocated
OriginAS:       
Organization:   DoD Network Information Center (DNIC)
RegDate:        2025-09-05
Updated:        2025-09-05
Ref:            https://rdap.arin.net/registry/ip/21.0.0.0


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 <<>> 21.194.25.163
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 19566
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;21.194.25.163.			IN	A

;; AUTHORITY SECTION:
.			30	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2026040201 1800 900 604800 86400

;; Query time: 31 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Apr 03 09:46:56 CST 2026
;; MSG SIZE  rcvd: 106

Host info

Host 163.25.194.21.in-addr.arpa. not found: 3(NXDOMAIN)

Nslookup info:

Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 163.25.194.21.in-addr.arpa: NXDOMAIN

Related IP info:

Related comments:

IP	Type	Details	Datetime
54.37.129.235	attackbots	Sep 17 14:51:30 web8 sshd\[21741\]: Invalid user ae from 54.37.129.235 Sep 17 14:51:30 web8 sshd\[21741\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=54.37.129.235 Sep 17 14:51:31 web8 sshd\[21741\]: Failed password for invalid user ae from 54.37.129.235 port 46502 ssh2 Sep 17 14:55:24 web8 sshd\[23542\]: Invalid user nishiyama from 54.37.129.235 Sep 17 14:55:24 web8 sshd\[23542\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=54.37.129.235	2019-09-17 23:10:50
213.138.73.250	attackspam	Sep 17 16:24:36 bouncer sshd\[27866\]: Invalid user amandabackup from 213.138.73.250 port 39001 Sep 17 16:24:36 bouncer sshd\[27866\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=213.138.73.250 Sep 17 16:24:38 bouncer sshd\[27866\]: Failed password for invalid user amandabackup from 213.138.73.250 port 39001 ssh2 ...	2019-09-17 23:23:21
167.71.41.110	attackbots	Sep 17 17:26:35 mail sshd\[7166\]: Failed password for invalid user esau from 167.71.41.110 port 43438 ssh2 Sep 17 17:31:03 mail sshd\[7800\]: Invalid user yura from 167.71.41.110 port 33492 Sep 17 17:31:03 mail sshd\[7800\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=167.71.41.110 Sep 17 17:31:05 mail sshd\[7800\]: Failed password for invalid user yura from 167.71.41.110 port 33492 ssh2 Sep 17 17:35:26 mail sshd\[8394\]: Invalid user peter from 167.71.41.110 port 52068	2019-09-17 23:59:30
58.65.136.170	attackbots	Sep 17 10:51:42 debian sshd\[30267\]: Invalid user upload2 from 58.65.136.170 port 9793 Sep 17 10:51:42 debian sshd\[30267\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=58.65.136.170 Sep 17 10:51:45 debian sshd\[30267\]: Failed password for invalid user upload2 from 58.65.136.170 port 9793 ssh2 ...	2019-09-17 23:05:40
103.121.26.150	attackbotsspam	Sep 17 11:36:23 debian sshd\[30662\]: Invalid user lu from 103.121.26.150 port 46521 Sep 17 11:36:23 debian sshd\[30662\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.121.26.150 Sep 17 11:36:24 debian sshd\[30662\]: Failed password for invalid user lu from 103.121.26.150 port 46521 ssh2 ...	2019-09-17 23:43:33
134.175.32.205	attackspam	Sep 17 13:33:20 sshgateway sshd\[14321\]: Invalid user xml2epay from 134.175.32.205 Sep 17 13:33:20 sshgateway sshd\[14321\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=134.175.32.205 Sep 17 13:33:23 sshgateway sshd\[14321\]: Failed password for invalid user xml2epay from 134.175.32.205 port 48296 ssh2	2019-09-18 00:27:04
129.204.200.85	attackbots	Sep 17 14:22:45 sshgateway sshd\[14581\]: Invalid user newadmin from 129.204.200.85 Sep 17 14:22:45 sshgateway sshd\[14581\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=129.204.200.85 Sep 17 14:22:47 sshgateway sshd\[14581\]: Failed password for invalid user newadmin from 129.204.200.85 port 34767 ssh2	2019-09-17 23:54:44
200.122.217.82	attackspam	proto=tcp . spt=46606 . dpt=25 . (listed on Dark List de Sep 17) (654)	2019-09-18 00:26:35
36.82.97.196	attackbots	Unauthorized connection attempt from IP address 36.82.97.196 on Port 445(SMB)	2019-09-18 00:42:15
46.219.112.33	attackspam	proto=tcp . spt=49199 . dpt=25 . (listed on dnsbl-sorbs abuseat-org barracuda) (656)	2019-09-17 23:45:18
201.225.172.116	attackspam	Sep 17 18:07:15 core sshd[15710]: Invalid user akasadipa from 201.225.172.116 port 37820 Sep 17 18:07:18 core sshd[15710]: Failed password for invalid user akasadipa from 201.225.172.116 port 37820 ssh2 ...	2019-09-18 00:23:32
200.6.232.202	attackbots	IP Ban Report : https://help-dysk.pl/wordpress-firewall-plugins/ip/200.6.232.202/ GT - 1H : (1) Protection Against DDoS WordPress plugin : "odzyskiwanie danych help-dysk" IP Address Ranges by Country : GT NAME ASN : ASN14754 IP : 200.6.232.202 CIDR : 200.6.224.0/19 PREFIX COUNT : 217 UNIQUE IP COUNT : 967936 WYKRYTE ATAKI Z ASN14754 : 1H - 1 3H - 1 6H - 1 12H - 1 24H - 1 INFO : SYN Flood DDoS Attack Denial-of-Service Attack (DoS) Detected and Blocked by ADMIN - data recovery	2019-09-18 00:06:44
201.76.178.51	attack	Sep 17 13:42:11 vtv3 sshd\[25827\]: Invalid user send from 201.76.178.51 port 44950 Sep 17 13:42:11 vtv3 sshd\[25827\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=201.76.178.51 Sep 17 13:42:14 vtv3 sshd\[25827\]: Failed password for invalid user send from 201.76.178.51 port 44950 ssh2 Sep 17 13:47:18 vtv3 sshd\[28469\]: Invalid user olivia from 201.76.178.51 port 41613 Sep 17 13:47:18 vtv3 sshd\[28469\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=201.76.178.51 Sep 17 14:00:16 vtv3 sshd\[2885\]: Invalid user prova from 201.76.178.51 port 50681 Sep 17 14:00:16 vtv3 sshd\[2885\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=201.76.178.51 Sep 17 14:00:18 vtv3 sshd\[2885\]: Failed password for invalid user prova from 201.76.178.51 port 50681 ssh2 Sep 17 14:04:42 vtv3 sshd\[4679\]: Invalid user n from 201.76.178.51 port 43951 Sep 17 14:04:42 vtv3 sshd\[4679\]: pam_unix\(sshd:	2019-09-18 00:40:42
35.201.243.170	attack	Sep 17 16:29:43 server sshd\[24378\]: Invalid user tomcat from 35.201.243.170 port 1368 Sep 17 16:29:43 server sshd\[24378\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=35.201.243.170 Sep 17 16:29:45 server sshd\[24378\]: Failed password for invalid user tomcat from 35.201.243.170 port 1368 ssh2 Sep 17 16:33:33 server sshd\[30878\]: Invalid user xbian from 35.201.243.170 port 20992 Sep 17 16:33:33 server sshd\[30878\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=35.201.243.170	2019-09-18 00:06:00
116.52.20.193	attackspam	Sep 17 17:00:27 srv206 sshd[7137]: Invalid user admin from 116.52.20.193 Sep 17 17:00:27 srv206 sshd[7137]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=116.52.20.193 Sep 17 17:00:27 srv206 sshd[7137]: Invalid user admin from 116.52.20.193 Sep 17 17:00:29 srv206 sshd[7137]: Failed password for invalid user admin from 116.52.20.193 port 37206 ssh2 ...	2019-09-18 00:08:02

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