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: La Crosse

Region: Wisconsin

Country: United States

Internet Service Provider: unknown

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:       138.49.0.0 - 138.49.255.255
CIDR:           138.49.0.0/16
NetName:        UWLAX
NetHandle:      NET-138-49-0-0-1
Parent:         NET138 (NET-138-0-0-0-0)
NetType:        Direct Allocation
OriginAS:       
Organization:   University of Wisconsin-La Crosse (UNIVER-287-Z)
RegDate:        1990-02-06
Updated:        2025-02-28
Ref:            https://rdap.arin.net/registry/ip/138.49.0.0


OrgName:        University of Wisconsin-La Crosse
OrgId:          UNIVER-287-Z
Address:        1725 State Street
City:           La Crosse
StateProv:      WI
PostalCode:     54601
Country:        US
RegDate:        2024-02-14
Updated:        2024-02-15
Ref:            https://rdap.arin.net/registry/entity/UNIVER-287-Z


OrgTechHandle: BORNH19-ARIN
OrgTechName:   Bornheimer, Matthew 
OrgTechPhone:  +1-608-785-5473 
OrgTechEmail:  mbornheimer@uwlax.edu
OrgTechRef:    https://rdap.arin.net/registry/entity/BORNH19-ARIN

OrgAbuseHandle: BORNH19-ARIN
OrgAbuseName:   Bornheimer, Matthew 
OrgAbusePhone:  +1-608-785-5473 
OrgAbuseEmail:  mbornheimer@uwlax.edu
OrgAbuseRef:    https://rdap.arin.net/registry/entity/BORNH19-ARIN

RTechHandle: BORNH19-ARIN
RTechName:   Bornheimer, Matthew 
RTechPhone:  +1-608-785-5473 
RTechEmail:  mbornheimer@uwlax.edu
RTechRef:    https://rdap.arin.net/registry/entity/BORNH19-ARIN

RNOCHandle: BORNH19-ARIN
RNOCName:   Bornheimer, Matthew 
RNOCPhone:  +1-608-785-5473 
RNOCEmail:  mbornheimer@uwlax.edu
RNOCRef:    https://rdap.arin.net/registry/entity/BORNH19-ARIN

RAbuseHandle: BORNH19-ARIN
RAbuseName:   Bornheimer, Matthew 
RAbusePhone:  +1-608-785-5473 
RAbuseEmail:  mbornheimer@uwlax.edu
RAbuseRef:    https://rdap.arin.net/registry/entity/BORNH19-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 <<>> 138.49.40.221
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 62322
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;138.49.40.221.			IN	A

;; AUTHORITY SECTION:
.			30	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2026042700 1800 900 604800 86400

;; Query time: 9 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Mon Apr 27 18:51:15 CST 2026
;; MSG SIZE  rcvd: 106
Host info
Host 221.40.49.138.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 221.40.49.138.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
222.82.214.218 attackbotsspam
Mar 19 13:57:01 ns382633 sshd\[4586\]: Invalid user oracle from 222.82.214.218 port 6953
Mar 19 13:57:01 ns382633 sshd\[4586\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.82.214.218
Mar 19 13:57:02 ns382633 sshd\[4586\]: Failed password for invalid user oracle from 222.82.214.218 port 6953 ssh2
Mar 19 14:00:17 ns382633 sshd\[5460\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.82.214.218  user=root
Mar 19 14:00:20 ns382633 sshd\[5460\]: Failed password for root from 222.82.214.218 port 6955 ssh2
2020-03-20 01:39:00
162.243.132.53 attackbots
scans once in preceeding hours on the ports (in chronological order) 2525 resulting in total of 57 scans from 162.243.0.0/16 block.
2020-03-20 01:59:01
123.207.226.219 attack
Mar 19 18:38:47 lnxmysql61 sshd[24550]: Failed password for root from 123.207.226.219 port 36734 ssh2
Mar 19 18:48:22 lnxmysql61 sshd[25883]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=123.207.226.219
Mar 19 18:48:24 lnxmysql61 sshd[25883]: Failed password for invalid user redmine from 123.207.226.219 port 36786 ssh2
2020-03-20 02:01:54
198.98.60.141 attack
$f2bV_matches | Triggered by Fail2Ban at Vostok web server
2020-03-20 01:42:33
82.194.18.230 attackbots
Time:     Thu Mar 19 09:32:13 2020 -0300
IP:       82.194.18.230 (AZ/Azerbaijan/-)
Failures: 20 (WordPressBruteForcePOST)
Interval: 3600 seconds
Blocked:  Permanent Block
2020-03-20 02:03:51
122.14.228.229 attackspam
Mar 19 13:55:34 srv206 sshd[19194]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=122.14.228.229  user=root
Mar 19 13:55:36 srv206 sshd[19194]: Failed password for root from 122.14.228.229 port 37028 ssh2
Mar 19 14:00:00 srv206 sshd[19268]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=122.14.228.229  user=root
Mar 19 14:00:01 srv206 sshd[19268]: Failed password for root from 122.14.228.229 port 38228 ssh2
...
2020-03-20 02:17:16
111.65.71.3 attackspam
Unauthorized connection attempt from IP address 111.65.71.3 on Port 445(SMB)
2020-03-20 01:55:06
181.49.176.36 attack
Honeypot attack, port: 445, PTR: PTR record not found
2020-03-20 02:05:15
162.243.128.36 attackbots
firewall-block, port(s): 5432/tcp
2020-03-20 02:01:37
128.14.133.58 attack
Unauthorized connection attempt detected from IP address 128.14.133.58
2020-03-20 01:42:10
200.105.234.131 attack
fail2ban -- 200.105.234.131
...
2020-03-20 02:15:10
188.165.24.200 attack
Mar 19 16:45:57 sigma sshd\[22386\]: Invalid user deploy from 188.165.24.200Mar 19 16:45:59 sigma sshd\[22386\]: Failed password for invalid user deploy from 188.165.24.200 port 51274 ssh2
...
2020-03-20 01:45:58
51.38.235.100 attack
2020-03-19 05:47:58 server sshd[97040]: Failed password for invalid user nijian from 51.38.235.100 port 60918 ssh2
2020-03-20 02:21:06
185.148.146.24 attackspam
5955/tcp 5500/tcp 7000/tcp...
[2020-03-17/19]12pkt,4pt.(tcp)
2020-03-20 01:57:32
35.199.73.100 attackspambots
Mar 19 17:06:10 MainVPS sshd[24457]: Invalid user sistemas from 35.199.73.100 port 42656
Mar 19 17:06:10 MainVPS sshd[24457]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=35.199.73.100
Mar 19 17:06:10 MainVPS sshd[24457]: Invalid user sistemas from 35.199.73.100 port 42656
Mar 19 17:06:13 MainVPS sshd[24457]: Failed password for invalid user sistemas from 35.199.73.100 port 42656 ssh2
Mar 19 17:13:12 MainVPS sshd[5123]: Invalid user system from 35.199.73.100 port 49074
...
2020-03-20 02:21:30

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