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: Columbia

Region: South Carolina

Country: United States

Internet Service Provider: AT&T

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.
#


NetRange:       172.0.0.0 - 172.15.255.255
CIDR:           172.0.0.0/12
NetName:        SIS-80-8-2012
NetHandle:      NET-172-0-0-0-1
Parent:         NET172 (NET-172-0-0-0-0)
NetType:        Direct Allocation
OriginAS:       
Organization:   AT&T Enterprises, LLC (AEL-360)
RegDate:        2012-08-20
Updated:        2024-12-05
Ref:            https://rdap.arin.net/registry/ip/172.0.0.0



OrgName:        AT&T Enterprises, LLC
OrgId:          AEL-360
Address:        208 S. Akard St.
City:           Dallas
StateProv:      TX
PostalCode:     75202
Country:        US
RegDate:        2024-11-22
Updated:        2025-10-29
Ref:            https://rdap.arin.net/registry/entity/AEL-360


OrgAbuseHandle: ABUSE7-ARIN
OrgAbuseName:   abuse
OrgAbusePhone:  +1-919-319-8167 
OrgAbuseEmail:  abuse@att.net
OrgAbuseRef:    https://rdap.arin.net/registry/entity/ABUSE7-ARIN

OrgTechHandle: ICC-ARIN
OrgTechName:   IP Team
OrgTechPhone:  +1-888-876-2382 
OrgTechEmail:  rm-ipspecialist@att.com
OrgTechRef:    https://rdap.arin.net/registry/entity/ICC-ARIN

OrgTechHandle: ZS44-ARIN
OrgTechName:   IPAdmin-ATT Internet Services
OrgTechPhone:  +1-888-510-5545 
OrgTechEmail:  ipadmin@semail.att.com
OrgTechRef:    https://rdap.arin.net/registry/entity/ZS44-ARIN

OrgRoutingHandle: ROUTI59-ARIN
OrgRoutingName:   Routing POC
OrgRoutingPhone:  +1-999-999-9999 
OrgRoutingEmail:  routing_poc@att.com
OrgRoutingRef:    https://rdap.arin.net/registry/entity/ROUTI59-ARIN


#
# 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 <<>> 172.10.21.181
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 14860
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;172.10.21.181.			IN	A

;; AUTHORITY SECTION:
.			30	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2026032300 1800 900 604800 86400

;; Query time: 7 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Mon Mar 23 20:01:43 CST 2026
;; MSG SIZE  rcvd: 106
Host info
181.21.10.172.in-addr.arpa domain name pointer 172-10-21-181.lightspeed.clmasc.sbcglobal.net.
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

Non-authoritative answer:
181.21.10.172.in-addr.arpa	name = 172-10-21-181.lightspeed.clmasc.sbcglobal.net.

Authoritative answers can be found from:
Related IP info:
Related comments:
IP Type Details Datetime
37.58.104.18 attack
3x Failed Password
2020-06-16 23:20:50
163.172.165.95 attackspambots
2020-06-16 13:37:43 unexpected disconnection while reading SMTP command from messier32.com [163.172.165.95]:52449 I=[10.100.18.25]:25
2020-06-16 14:01:02 unexpected disconnection while reading SMTP command from messier32.com [163.172.165.95]:40886 I=[10.100.18.25]:25
2020-06-16 14:05:03 unexpected disconnection while reading SMTP command from messier32.com [163.172.165.95]:59449 I=[10.100.18.25]:25

........
-----------------------------------------------
https://www.blocklist.de/en/view.html?ip=163.172.165.95
2020-06-16 22:56:25
222.186.173.226 attackspambots
Jun 16 15:06:14 localhost sshd[57094]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.173.226  user=root
Jun 16 15:06:16 localhost sshd[57094]: Failed password for root from 222.186.173.226 port 28879 ssh2
Jun 16 15:06:19 localhost sshd[57094]: Failed password for root from 222.186.173.226 port 28879 ssh2
Jun 16 15:06:14 localhost sshd[57094]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.173.226  user=root
Jun 16 15:06:16 localhost sshd[57094]: Failed password for root from 222.186.173.226 port 28879 ssh2
Jun 16 15:06:19 localhost sshd[57094]: Failed password for root from 222.186.173.226 port 28879 ssh2
Jun 16 15:06:14 localhost sshd[57094]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.173.226  user=root
Jun 16 15:06:16 localhost sshd[57094]: Failed password for root from 222.186.173.226 port 28879 ssh2
Jun 16 15:06:19 localhost sshd[57
...
2020-06-16 23:09:54
101.91.198.130 attackspam
Jun 16 16:45:31 abendstille sshd\[22262\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=101.91.198.130  user=root
Jun 16 16:45:33 abendstille sshd\[22262\]: Failed password for root from 101.91.198.130 port 50864 ssh2
Jun 16 16:50:06 abendstille sshd\[26987\]: Invalid user dragon from 101.91.198.130
Jun 16 16:50:06 abendstille sshd\[26987\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=101.91.198.130
Jun 16 16:50:07 abendstille sshd\[26987\]: Failed password for invalid user dragon from 101.91.198.130 port 39811 ssh2
...
2020-06-16 23:06:54
142.93.223.25 attackspambots
(sshd) Failed SSH login from 142.93.223.25 (IN/India/-): 5 in the last 3600 secs
2020-06-16 22:55:29
49.213.189.1 attackspam
" "
2020-06-16 22:54:48
206.189.147.137 attack
2020-06-16T14:22:10.317910shield sshd\[10261\]: Invalid user camara from 206.189.147.137 port 44938
2020-06-16T14:22:10.321531shield sshd\[10261\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=206.189.147.137
2020-06-16T14:22:12.860893shield sshd\[10261\]: Failed password for invalid user camara from 206.189.147.137 port 44938 ssh2
2020-06-16T14:26:06.198776shield sshd\[10915\]: Invalid user u1 from 206.189.147.137 port 46422
2020-06-16T14:26:06.202962shield sshd\[10915\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=206.189.147.137
2020-06-16 22:39:21
175.118.126.81 attackbotsspam
Fail2Ban Ban Triggered (2)
2020-06-16 23:03:43
45.143.223.207 attackspambots
[H1.VM6] Blocked by UFW
2020-06-16 23:07:30
49.235.84.250 attack
Automatic report BANNED IP
2020-06-16 22:42:25
35.239.174.60 attackbotsspam
Jun 16 22:21:45 localhost sshd[328461]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=35.239.174.60  user=root
Jun 16 22:21:47 localhost sshd[328461]: Failed password for root from 35.239.174.60 port 54696 ssh2
...
2020-06-16 23:12:10
51.91.122.122 attack
SSH brute-force attempt
2020-06-16 23:09:13
139.199.45.89 attackspam
2020-06-16 14:22:08,100 fail2ban.actions: WARNING [ssh] Ban 139.199.45.89
2020-06-16 22:53:09
49.231.35.39 attackspam
Jun 16 14:36:57 onepixel sshd[1396431]: Invalid user dcadmin from 49.231.35.39 port 38839
Jun 16 14:36:57 onepixel sshd[1396431]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=49.231.35.39 
Jun 16 14:36:57 onepixel sshd[1396431]: Invalid user dcadmin from 49.231.35.39 port 38839
Jun 16 14:36:59 onepixel sshd[1396431]: Failed password for invalid user dcadmin from 49.231.35.39 port 38839 ssh2
Jun 16 14:39:49 onepixel sshd[1396962]: Invalid user growth from 49.231.35.39 port 58683
2020-06-16 22:50:08
222.186.30.76 attack
2020-06-16T14:40:09.172356abusebot-4.cloudsearch.cf sshd[25587]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.30.76  user=root
2020-06-16T14:40:11.177204abusebot-4.cloudsearch.cf sshd[25587]: Failed password for root from 222.186.30.76 port 21499 ssh2
2020-06-16T14:40:13.737703abusebot-4.cloudsearch.cf sshd[25587]: Failed password for root from 222.186.30.76 port 21499 ssh2
2020-06-16T14:40:09.172356abusebot-4.cloudsearch.cf sshd[25587]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.30.76  user=root
2020-06-16T14:40:11.177204abusebot-4.cloudsearch.cf sshd[25587]: Failed password for root from 222.186.30.76 port 21499 ssh2
2020-06-16T14:40:13.737703abusebot-4.cloudsearch.cf sshd[25587]: Failed password for root from 222.186.30.76 port 21499 ssh2
2020-06-16T14:40:09.172356abusebot-4.cloudsearch.cf sshd[25587]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruse
...
2020-06-16 22:43:57

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