12.172.72.20 - IPInfo

Basic Info

City: Woodstock

Region: Georgia

Country: United States

Internet Service Provider: AT&T

Hostname: unknown

Organization: unknown

Usage Type: unknown

Comments:

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Comments on same subnet:

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Whois info:

b'#
# 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:       12.0.0.0 - 12.255.255.255
CIDR:           12.0.0.0/8
NetName:        ATT
NetHandle:      NET-12-0-0-0-1
Parent:         NET12 (NET-12-0-0-0-0)
NetType:        Direct Allocation
OriginAS:       
Organization:   AT&T Enterprises, LLC (AEL-360)
RegDate:        1983-08-23
Updated:        2025-12-02
Comment:        IP assignments within this IP Block range are STATIC, not dynamic.
Ref:            https://rdap.arin.net/registry/ip/12.0.0.0



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


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

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

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


#
# 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 <<>> 12.172.72.20
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 43039
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;12.172.72.20.			IN	A

;; AUTHORITY SECTION:
.			30	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2026051500 1800 900 604800 86400

;; Query time: 499 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri May 15 22:16:05 CST 2026
;; MSG SIZE  rcvd: 105

Host info

Host 20.72.172.12.in-addr.arpa. not found: 3(NXDOMAIN)

Nslookup info:

Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 20.72.172.12.in-addr.arpa: NXDOMAIN

Related IP info:

Related comments:

IP	Type	Details	Datetime
122.44.99.227	attackbotsspam	Bruteforce detected by fail2ban	2020-04-16 12:42:28
42.236.10.122	attack	Web bot scraping website [bot:360Spider]	2020-04-16 12:31:58
192.241.239.50	attackspam	Port scan: Attack repeated for 24 hours	2020-04-16 12:22:49
222.186.173.201	attackspam	2020-04-16T06:08:31.495697vps751288.ovh.net sshd\[22958\]: pam_unix$sshd:auth$: authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.173.201 user=root 2020-04-16T06:08:33.970589vps751288.ovh.net sshd\[22958\]: Failed password for root from 222.186.173.201 port 47722 ssh2 2020-04-16T06:08:37.227487vps751288.ovh.net sshd\[22958\]: Failed password for root from 222.186.173.201 port 47722 ssh2 2020-04-16T06:08:39.569222vps751288.ovh.net sshd\[22958\]: Failed password for root from 222.186.173.201 port 47722 ssh2 2020-04-16T06:08:42.179977vps751288.ovh.net sshd\[22958\]: Failed password for root from 222.186.173.201 port 47722 ssh2	2020-04-16 12:13:15
42.236.10.112	attackspambots	Web bot scraping website [bot:360Spider]	2020-04-16 12:36:53
103.76.175.130	attack	SSH login attempts.	2020-04-16 12:24:10
34.93.218.229	attackspam	Apr 15 23:25:01 mailman sshd[7480]: Invalid user wmsadmin from 34.93.218.229 Apr 15 23:25:01 mailman sshd[7480]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=229.218.93.34.bc.googleusercontent.com Apr 15 23:25:02 mailman sshd[7480]: Failed password for invalid user wmsadmin from 34.93.218.229 port 62984 ssh2	2020-04-16 12:47:16
220.246.208.27	attackspambots	Port probing on unauthorized port 5555	2020-04-16 12:05:45
69.94.131.36	attackbots	Apr 16 05:44:10 web01.agentur-b-2.de postfix/smtpd[466370]: NOQUEUE: reject: RCPT from unknown[69.94.131.36]: 450 4.7.1 : Helo command rejected: Host not found; from= to= proto=ESMTP helo= Apr 16 05:44:10 web01.agentur-b-2.de postfix/smtpd[464873]: NOQUEUE: reject: RCPT from unknown[69.94.131.36]: 450 4.7.1 : Helo command rejected: Host not found; from= to= proto=ESMTP helo= Apr 16 05:44:10 web01.agentur-b-2.de postfix/smtpd[463880]: NOQUEUE: reject: RCPT from unknown[69.94.131.36]: 450 4.7.1 : Helo command rejected: Host not found; from= to= proto=ESMTP helo= Apr 16 05:44:10 web01.agentur-b-2.de postfix/smtpd[461978]: NOQUEUE: reject: RCPT from unknown[69.94.131.36]: 450 4.7.1	2020-04-16 12:44:18
223.247.141.127	attack	Apr 15 23:52:39 ny01 sshd[19517]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=223.247.141.127 Apr 15 23:52:40 ny01 sshd[19517]: Failed password for invalid user admin from 223.247.141.127 port 34824 ssh2 Apr 15 23:56:23 ny01 sshd[20328]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=223.247.141.127	2020-04-16 12:10:48
80.82.64.73	attackbots	Apr 16 05:56:01 debian-2gb-nbg1-2 kernel: \[9268343.464998\] \[UFW BLOCK\] IN=eth0 OUT= MAC=96:00:00:0e:18:f4:d2:74:7f:6e:37:e3:08:00 SRC=80.82.64.73 DST=195.201.40.59 LEN=40 TOS=0x00 PREC=0x00 TTL=247 ID=16104 PROTO=TCP SPT=52212 DPT=1382 WINDOW=1024 RES=0x00 SYN URGP=0	2020-04-16 12:26:24
129.204.71.16	attackbots	$f2bV_matches	2020-04-16 12:27:58
222.186.15.158	attackspam	Apr 16 06:59:34 server2 sshd\[16711\]: User root from 222.186.15.158 not allowed because not listed in AllowUsers Apr 16 06:59:35 server2 sshd\[16713\]: User root from 222.186.15.158 not allowed because not listed in AllowUsers Apr 16 07:02:35 server2 sshd\[17039\]: User root from 222.186.15.158 not allowed because not listed in AllowUsers Apr 16 07:02:41 server2 sshd\[17037\]: User root from 222.186.15.158 not allowed because not listed in AllowUsers Apr 16 07:04:19 server2 sshd\[17101\]: User root from 222.186.15.158 not allowed because not listed in AllowUsers Apr 16 07:04:19 server2 sshd\[17103\]: User root from 222.186.15.158 not allowed because not listed in AllowUsers	2020-04-16 12:07:29
78.128.113.99	attackbots	2020-04-16 06:21:36 dovecot_plain authenticator failed for $\[78.128.113.99\]$ \[78.128.113.99\]: 535 Incorrect authentication data $set_id=admin@orogest.it$ 2020-04-16 06:21:53 dovecot_plain authenticator failed for $\[78.128.113.99\]$ \[78.128.113.99\]: 535 Incorrect authentication data 2020-04-16 06:22:08 dovecot_plain authenticator failed for $\[78.128.113.99\]$ \[78.128.113.99\]: 535 Incorrect authentication data 2020-04-16 06:22:25 dovecot_plain authenticator failed for $\[78.128.113.99\]$ \[78.128.113.99\]: 535 Incorrect authentication data $set_id=admin$ 2020-04-16 06:22:26 dovecot_plain authenticator failed for $\[78.128.113.99\]$ \[78.128.113.99\]: 535 Incorrect authentication data	2020-04-16 12:42:46
14.140.218.214	attackspambots	Apr 16 05:52:00 srv01 sshd[23491]: Invalid user lynch from 14.140.218.214 port 37518 Apr 16 05:52:00 srv01 sshd[23491]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=14.140.218.214 Apr 16 05:52:00 srv01 sshd[23491]: Invalid user lynch from 14.140.218.214 port 37518 Apr 16 05:52:02 srv01 sshd[23491]: Failed password for invalid user lynch from 14.140.218.214 port 37518 ssh2 Apr 16 05:55:49 srv01 sshd[23729]: Invalid user user from 14.140.218.214 port 40018 ...	2020-04-16 12:45:48

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