20.123.33.13 - IPInfo

Basic Info

City: Dublin

Region: Leinster

Country: Ireland

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.
#


NetRange:       20.33.0.0 - 20.128.255.255
CIDR:           20.64.0.0/10, 20.48.0.0/12, 20.34.0.0/15, 20.36.0.0/14, 20.40.0.0/13, 20.128.0.0/16, 20.33.0.0/16
NetName:        MSFT
NetHandle:      NET-20-33-0-0-1
Parent:         NET20 (NET-20-0-0-0-0)
NetType:        Direct Allocation
OriginAS:       
Organization:   Microsoft Corporation (MSFT)
RegDate:        2017-10-18
Updated:        2021-12-14
Ref:            https://rdap.arin.net/registry/ip/20.33.0.0



OrgName:        Microsoft Corporation
OrgId:          MSFT
Address:        One Microsoft Way
City:           Redmond
StateProv:      WA
PostalCode:     98052
Country:        US
RegDate:        1998-07-10
Updated:        2025-06-10
Comment:        To report suspected security issues specific to traffic emanating from Microsoft online services, including the distribution of malicious content or other illicit or illegal material through a Microsoft online service, please submit reports to:
Comment:        * https://cert.microsoft.com.  
Comment:        
Comment:        For SPAM and other abuse issues, such as Microsoft Accounts, please contact:
Comment:        * abuse@microsoft.com.  
Comment:        
Comment:        To report security vulnerabilities in Microsoft products and services, please contact:
Comment:        * secure@microsoft.com.  
Comment:        
Comment:        For legal and law enforcement-related requests, please contact:
Comment:        * msndcc@microsoft.com
Comment:        
Comment:        For routing, peering or DNS issues, please 
Comment:        contact:
Comment:        * IOC@microsoft.com
Ref:            https://rdap.arin.net/registry/entity/MSFT


OrgTechHandle: BEDAR6-ARIN
OrgTechName:   Bedard, Dawn 
OrgTechPhone:  +1-425-538-6637 
OrgTechEmail:  dabedard@microsoft.com
OrgTechRef:    https://rdap.arin.net/registry/entity/BEDAR6-ARIN

OrgTechHandle: MRPD-ARIN
OrgTechName:   Microsoft Routing, Peering, and DNS
OrgTechPhone:  +1-425-882-8080 
OrgTechEmail:  IOC@microsoft.com
OrgTechRef:    https://rdap.arin.net/registry/entity/MRPD-ARIN

OrgTechHandle: IPHOS5-ARIN
OrgTechName:   IPHostmaster, IPHostmaster 
OrgTechPhone:  +1-425-538-6637 
OrgTechEmail:  iphostmaster@microsoft.com
OrgTechRef:    https://rdap.arin.net/registry/entity/IPHOS5-ARIN

OrgTechHandle: SINGH683-ARIN
OrgTechName:   Singh, Prachi 
OrgTechPhone:  +1-425-707-5601 
OrgTechEmail:  pracsin@microsoft.com
OrgTechRef:    https://rdap.arin.net/registry/entity/SINGH683-ARIN

OrgRoutingHandle: CHATU3-ARIN
OrgRoutingName:   Chaturmohta, Somesh 
OrgRoutingPhone:  +1-425-882-8080 
OrgRoutingEmail:  someshch@microsoft.com
OrgRoutingRef:    https://rdap.arin.net/registry/entity/CHATU3-ARIN

OrgAbuseHandle: MAC74-ARIN
OrgAbuseName:   Microsoft Abuse Contact
OrgAbusePhone:  +1-425-882-8080 
OrgAbuseEmail:  abuse@microsoft.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/MAC74-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 <<>> 20.123.33.13
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 38888
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;20.123.33.13.			IN	A

;; AUTHORITY SECTION:
.			30	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2026041500 1800 900 604800 86400

;; Query time: 7 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Wed Apr 15 21:30:02 CST 2026
;; MSG SIZE  rcvd: 105

Host info

Host 13.33.123.20.in-addr.arpa. not found: 3(NXDOMAIN)

Nslookup info:

Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 13.33.123.20.in-addr.arpa: NXDOMAIN

Related IP info:

Related comments:

IP	Type	Details	Datetime
50.116.126.2	attack	W2 Application	2020-07-09 23:01:12
74.208.253.209	attackspam	WordPress login Brute force / Web App Attack on client site.	2020-07-09 23:14:49
148.72.210.140	attackspam	148.72.210.140 - - [09/Jul/2020:15:26:45 +0200] "GET /wp-login.php HTTP/1.1" 200 6060 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0" 148.72.210.140 - - [09/Jul/2020:15:26:47 +0200] "POST /wp-login.php HTTP/1.1" 200 6311 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0" 148.72.210.140 - - [09/Jul/2020:15:26:49 +0200] "POST /xmlrpc.php HTTP/1.1" 200 427 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"	2020-07-09 22:56:51
42.200.80.42	attackspambots	Jul 9 13:22:15 XXX sshd[43801]: Invalid user sheba from 42.200.80.42 port 56184	2020-07-09 22:40:27
45.182.205.34	attack	2020-07-09T13:07:32.242138beta postfix/smtpd[16166]: NOQUEUE: reject: RCPT from unknown[45.182.205.34]: 450 4.7.1 Client host rejected: cannot find your reverse hostname, [45.182.205.34]; from= to= proto=ESMTP helo=<[45.182.205.34]> 2020-07-09T13:07:46.584799beta postfix/smtpd[16166]: NOQUEUE: reject: RCPT from unknown[45.182.205.34]: 450 4.7.1 Client host rejected: cannot find your reverse hostname, [45.182.205.34]; from= to= proto=ESMTP helo=<[45.182.205.34]> 2020-07-09T13:07:58.505097beta postfix/smtpd[16166]: NOQUEUE: reject: RCPT from unknown[45.182.205.34]: 450 4.7.1 Client host rejected: cannot find your reverse hostname, [45.182.205.34]; from= to= proto=ESMTP helo=<[45.182.205.34]> ...	2020-07-09 22:39:44
103.102.72.187	attackbots	DATE:2020-07-09 14:07:42, IP:103.102.72.187, PORT:telnet Telnet brute force auth on honeypot server (epe-honey1-hq)	2020-07-09 22:48:27
125.124.43.25	attackspam	2020-07-09T13:59:44.600486mail.csmailer.org sshd[32162]: Invalid user sergio from 125.124.43.25 port 43507 2020-07-09T13:59:44.604549mail.csmailer.org sshd[32162]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=125.124.43.25 2020-07-09T13:59:44.600486mail.csmailer.org sshd[32162]: Invalid user sergio from 125.124.43.25 port 43507 2020-07-09T13:59:46.647090mail.csmailer.org sshd[32162]: Failed password for invalid user sergio from 125.124.43.25 port 43507 ssh2 2020-07-09T14:03:27.406810mail.csmailer.org sshd[32437]: Invalid user node from 125.124.43.25 port 59291 ...	2020-07-09 22:47:50
58.54.249.210	attackspam	2020-07-09T12:36:05.312342abusebot.cloudsearch.cf sshd[10307]: Invalid user hacker2 from 58.54.249.210 port 41926 2020-07-09T12:36:05.317838abusebot.cloudsearch.cf sshd[10307]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=58.54.249.210 2020-07-09T12:36:05.312342abusebot.cloudsearch.cf sshd[10307]: Invalid user hacker2 from 58.54.249.210 port 41926 2020-07-09T12:36:07.004651abusebot.cloudsearch.cf sshd[10307]: Failed password for invalid user hacker2 from 58.54.249.210 port 41926 ssh2 2020-07-09T12:37:02.672088abusebot.cloudsearch.cf sshd[10321]: Invalid user com from 58.54.249.210 port 50408 2020-07-09T12:37:02.677297abusebot.cloudsearch.cf sshd[10321]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=58.54.249.210 2020-07-09T12:37:02.672088abusebot.cloudsearch.cf sshd[10321]: Invalid user com from 58.54.249.210 port 50408 2020-07-09T12:37:04.856098abusebot.cloudsearch.cf sshd[10321]: Failed password for ...	2020-07-09 23:22:15
51.91.247.125	attackbotsspam	TCP (SYN) 51.91.247.125:35271 -> port 25, len 40	2020-07-09 22:48:51
51.83.40.227	attack	malicious Brute-Force reported by https://www.patrick-binder.de ...	2020-07-09 22:53:56
106.13.52.234	attackspam	Jul 9 15:13:44 ajax sshd[21277]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.13.52.234 Jul 9 15:13:46 ajax sshd[21277]: Failed password for invalid user user from 106.13.52.234 port 49682 ssh2	2020-07-09 23:10:20
222.186.42.137	attackspambots	Jul 9 15:47:23 rocket sshd[7705]: Failed password for root from 222.186.42.137 port 21193 ssh2 Jul 9 15:47:27 rocket sshd[7705]: Failed password for root from 222.186.42.137 port 21193 ssh2 Jul 9 15:47:29 rocket sshd[7705]: Failed password for root from 222.186.42.137 port 21193 ssh2 ...	2020-07-09 23:00:12
101.141.81.3	attackspambots	Wordpress attack	2020-07-09 23:21:43
213.50.113.181	attack	SMB Server BruteForce Attack	2020-07-09 22:52:28
222.186.173.154	attackbots	Jul 9 17:13:17 vps sshd[985229]: Failed password for root from 222.186.173.154 port 31630 ssh2 Jul 9 17:13:21 vps sshd[985229]: Failed password for root from 222.186.173.154 port 31630 ssh2 Jul 9 17:13:25 vps sshd[985229]: Failed password for root from 222.186.173.154 port 31630 ssh2 Jul 9 17:13:28 vps sshd[985229]: Failed password for root from 222.186.173.154 port 31630 ssh2 Jul 9 17:13:31 vps sshd[985229]: Failed password for root from 222.186.173.154 port 31630 ssh2 ...	2020-07-09 23:13:48

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