City: unknown
Region: unknown
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.
#
# 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 9.10.3-P4-Ubuntu <<>> 21.187.64.46
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 47111
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0
;; QUESTION SECTION:
;21.187.64.46. IN A
;; AUTHORITY SECTION:
. 29 IN SOA a.root-servers.net. nstld.verisign-grs.com. 2026041800 1800 900 604800 86400
;; Query time: 9 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Sat Apr 18 21:46:45 CST 2026
;; MSG SIZE rcvd: 105Host 46.64.187.21.in-addr.arpa. not found: 3(NXDOMAIN)Server: 183.60.83.19
Address: 183.60.83.19#53
** server can't find 46.64.187.21.in-addr.arpa: NXDOMAIN| IP | Type | Details | Datetime |
|---|---|---|---|
| 223.75.105.214 | attackbotsspam | Unauthorized connection attempt detected from IP address 223.75.105.214 to port 23 |
2020-05-31 04:35:17 |
| 201.18.21.178 | attack | Unauthorized connection attempt from IP address 201.18.21.178 on Port 445(SMB) |
2020-05-31 05:04:45 |
| 131.255.236.182 | attackspambots | Unauthorized connection attempt from IP address 131.255.236.182 on Port 445(SMB) |
2020-05-31 04:59:03 |
| 101.91.238.160 | attackbotsspam | 2020-05-30T14:41:31.697418linuxbox-skyline sshd[31147]: Invalid user djones from 101.91.238.160 port 54026 ... |
2020-05-31 05:04:14 |
| 95.167.220.241 | attack | Unauthorized connection attempt from IP address 95.167.220.241 on Port 445(SMB) |
2020-05-31 04:45:40 |
| 223.149.163.54 | attackspam | Unauthorized connection attempt detected from IP address 223.149.163.54 to port 80 |
2020-05-31 04:35:01 |
| 112.121.163.11 | attackspam | May 30 22:31:51 debian-2gb-nbg1-2 kernel: \[13129490.896144\] \[UFW BLOCK\] IN=eth0 OUT= MAC=96:00:00:0e:18:f4:d2:74:7f:6e:37:e3:08:00 SRC=112.121.163.11 DST=195.201.40.59 LEN=40 TOS=0x00 PREC=0x00 TTL=240 ID=50803 PROTO=TCP SPT=44984 DPT=2222 WINDOW=1024 RES=0x00 SYN URGP=0 |
2020-05-31 05:03:18 |
| 2400:6180:100:d0::19fc:a001 | attackspambots | WordPress login Brute force / Web App Attack on client site. |
2020-05-31 04:55:14 |
| 194.61.24.37 | attack | May 30 22:32:09 debian-2gb-nbg1-2 kernel: \[13129508.252226\] \[UFW BLOCK\] IN=eth0 OUT= MAC=96:00:00:0e:18:f4:d2:74:7f:6e:37:e3:08:00 SRC=194.61.24.37 DST=195.201.40.59 LEN=40 TOS=0x00 PREC=0x00 TTL=246 ID=46904 PROTO=TCP SPT=49287 DPT=30000 WINDOW=1024 RES=0x00 SYN URGP=0 |
2020-05-31 04:46:56 |
| 222.186.180.41 | attack | May 30 22:50:07 [host] sshd[6987]: pam_unix(sshd:a May 30 22:50:09 [host] sshd[6987]: Failed password May 30 22:50:12 [host] sshd[6987]: Failed password |
2020-05-31 04:50:31 |
| 41.90.20.186 | attack | Unauthorized connection attempt detected from IP address 41.90.20.186 to port 1433 |
2020-05-31 04:30:51 |
| 206.189.44.204 | attackspambots | May 31 02:24:16 dhoomketu sshd[356972]: Failed password for invalid user test from 206.189.44.204 port 53960 ssh2 May 31 02:28:12 dhoomketu sshd[357029]: Invalid user ams from 206.189.44.204 port 59194 May 31 02:28:12 dhoomketu sshd[357029]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=206.189.44.204 May 31 02:28:12 dhoomketu sshd[357029]: Invalid user ams from 206.189.44.204 port 59194 May 31 02:28:15 dhoomketu sshd[357029]: Failed password for invalid user ams from 206.189.44.204 port 59194 ssh2 ... |
2020-05-31 05:08:54 |
| 222.186.175.217 | attackspambots | May 30 23:31:52 ift sshd\[47235\]: Failed password for root from 222.186.175.217 port 26648 ssh2May 30 23:32:01 ift sshd\[47235\]: Failed password for root from 222.186.175.217 port 26648 ssh2May 30 23:32:04 ift sshd\[47235\]: Failed password for root from 222.186.175.217 port 26648 ssh2May 30 23:32:10 ift sshd\[47243\]: Failed password for root from 222.186.175.217 port 40574 ssh2May 30 23:32:13 ift sshd\[47243\]: Failed password for root from 222.186.175.217 port 40574 ssh2 ... |
2020-05-31 04:38:49 |
| 41.76.242.158 | attackbots | Unauthorized connection attempt from IP address 41.76.242.158 on Port 445(SMB) |
2020-05-31 05:00:26 |
| 5.76.102.119 | attackbots | Unauthorized connection attempt from IP address 5.76.102.119 on Port 445(SMB) |
2020-05-31 04:49:55 |