City: Ann Arbor
Region: Michigan
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: 141.213.0.0 - 141.213.255.255
CIDR: 141.213.0.0/16
NetName: UMICH-3
NetHandle: NET-141-213-0-0-1
Parent: RIPE-ERX-141 (NET-141-0-0-0-0)
NetType: Direct Allocation
OriginAS:
Organization: University of Michigan (UNIVER-118-Z)
RegDate: 1990-08-02
Updated: 2018-01-08
Comment: For DMCA info see http://www.umich.edu/~itua/copyright/
Ref: https://rdap.arin.net/registry/ip/141.213.0.0
OrgName: University of Michigan
OrgId: UNIVER-118-Z
Address: IT Communications Services
Address: 4251 Plymouth Road, Suite 2-2200
City: Ann Arbor
StateProv: MI
PostalCode: 48105-3640
Country: US
RegDate: 2020-01-08
Updated: 2020-01-08
Ref: https://rdap.arin.net/registry/entity/UNIVER-118-Z
OrgTechHandle: UA11-ORG-ARIN
OrgTechName: UMnet Administration
OrgTechPhone: +1-734-647-4200
OrgTechEmail: umnet-admin-team@umich.edu
OrgTechRef: https://rdap.arin.net/registry/entity/UA11-ORG-ARIN
OrgAbuseHandle: IAI8-ARIN
OrgAbuseName: IT Abuse Investigation
OrgAbusePhone: +1-734-764-4357
OrgAbuseEmail: report-abuse@umich.edu
OrgAbuseRef: https://rdap.arin.net/registry/entity/IAI8-ARIN
# end
# start
NetRange: 141.213.8.0 - 141.213.8.255
CIDR: 141.213.8.0/24
NetName: UMICH-10113
NetHandle: NET-141-213-8-0-1
Parent: UMICH-3 (NET-141-213-0-0-1)
NetType: Reassigned
OriginAS:
Organization: University of Michigan College of Engineering (UMCE)
RegDate: 2014-08-20
Updated: 2014-08-20
Comment: For DMCA info see http://www.umich.edu/~itua/copyright/
Ref: https://rdap.arin.net/registry/ip/141.213.8.0
OrgName: University of Michigan College of Engineering
OrgId: UMCE
Address: Computer Aided Engineering Network
Address: 2318 Duderstadt Center
Address: 2281 Bonisteel Boulevard
City: Ann Arbor
StateProv: MI
PostalCode: 48109-2094
Country: US
RegDate: 2007-02-27
Updated: 2013-07-30
Ref: https://rdap.arin.net/registry/entity/UMCE
OrgTechHandle: GIUFF2-ARIN
OrgTechName: Giuffrida, Mark
OrgTechPhone: +1-734-936-1825
OrgTechEmail: markg@umich.edu
OrgTechRef: https://rdap.arin.net/registry/entity/GIUFF2-ARIN
OrgTechHandle: DJM136-ARIN
OrgTechName: Maletta, Daniel Joseph
OrgTechPhone: +1-734-763-1017
OrgTechEmail: danm@umich.edu
OrgTechRef: https://rdap.arin.net/registry/entity/DJM136-ARIN
OrgAbuseHandle: IAI8-ARIN
OrgAbuseName: IT Abuse Investigation
OrgAbusePhone: +1-734-764-4357
OrgAbuseEmail: report-abuse@umich.edu
OrgAbuseRef: https://rdap.arin.net/registry/entity/IAI8-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 <<>> 141.213.8.22
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 29306
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0
;; QUESTION SECTION:
;141.213.8.22. IN A
;; AUTHORITY SECTION:
. 30 IN SOA a.root-servers.net. nstld.verisign-grs.com. 2026032201 1800 900 604800 86400
;; Query time: 5 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Mon Mar 23 07:17:42 CST 2026
;; MSG SIZE rcvd: 10522.8.213.141.in-addr.arpa domain name pointer WIN-IBSIPE2REG0.eecs.umich.edu.Server: 183.60.83.19
Address: 183.60.83.19#53
Non-authoritative answer:
22.8.213.141.in-addr.arpa name = WIN-IBSIPE2REG0.eecs.umich.edu.
Authoritative answers can be found from:| IP | Type | Details | Datetime |
|---|---|---|---|
| 186.251.251.242 | attack | Unauthorized connection attempt detected from IP address 186.251.251.242 to port 26 |
2020-07-07 05:07:11 |
| 222.186.15.62 | attackbotsspam | Jul 6 23:09:40 abendstille sshd\[27506\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.15.62 user=root Jul 6 23:09:42 abendstille sshd\[27506\]: Failed password for root from 222.186.15.62 port 53401 ssh2 Jul 6 23:10:07 abendstille sshd\[27868\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.15.62 user=root Jul 6 23:10:09 abendstille sshd\[27868\]: Failed password for root from 222.186.15.62 port 28912 ssh2 Jul 6 23:10:14 abendstille sshd\[28046\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.15.62 user=root ... |
2020-07-07 05:10:32 |
| 187.188.236.198 | attack | Jul 6 23:00:06 electroncash sshd[20618]: Invalid user oracle from 187.188.236.198 port 56526 Jul 6 23:00:06 electroncash sshd[20618]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=187.188.236.198 Jul 6 23:00:06 electroncash sshd[20618]: Invalid user oracle from 187.188.236.198 port 56526 Jul 6 23:00:07 electroncash sshd[20618]: Failed password for invalid user oracle from 187.188.236.198 port 56526 ssh2 Jul 6 23:03:28 electroncash sshd[22492]: Invalid user kfserver from 187.188.236.198 port 55286 ... |
2020-07-07 05:08:30 |
| 45.248.192.135 | attack | IMAP/SMTP Authentication Failure |
2020-07-07 05:10:00 |
| 34.94.222.56 | attackspam | Jul 6 22:58:43 vps687878 sshd\[7539\]: Failed password for root from 34.94.222.56 port 47162 ssh2 Jul 6 23:00:35 vps687878 sshd\[7701\]: Invalid user ubnt from 34.94.222.56 port 54190 Jul 6 23:00:35 vps687878 sshd\[7701\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=34.94.222.56 Jul 6 23:00:37 vps687878 sshd\[7701\]: Failed password for invalid user ubnt from 34.94.222.56 port 54190 ssh2 Jul 6 23:02:27 vps687878 sshd\[8000\]: Invalid user wangying from 34.94.222.56 port 32970 Jul 6 23:02:27 vps687878 sshd\[8000\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=34.94.222.56 ... |
2020-07-07 05:16:38 |
| 95.238.224.109 | attack | Unauthorized connection attempt detected from IP address 95.238.224.109 to port 23 |
2020-07-07 04:52:25 |
| 118.24.12.102 | attack | $f2bV_matches |
2020-07-07 04:49:20 |
| 112.85.42.89 | attack | Jul 6 23:00:59 piServer sshd[26470]: Failed password for root from 112.85.42.89 port 44138 ssh2 Jul 6 23:01:03 piServer sshd[26470]: Failed password for root from 112.85.42.89 port 44138 ssh2 Jul 6 23:01:06 piServer sshd[26470]: Failed password for root from 112.85.42.89 port 44138 ssh2 ... |
2020-07-07 05:11:39 |
| 93.113.111.193 | attackbotsspam | 93.113.111.193 - - [06/Jul/2020:22:03:25 +0100] "POST /wp-login.php HTTP/1.1" 200 1905 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0" 93.113.111.193 - - [06/Jul/2020:22:03:26 +0100] "POST /wp-login.php HTTP/1.1" 200 1929 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0" 93.113.111.193 - - [06/Jul/2020:22:03:27 +0100] "POST /wp-login.php HTTP/1.1" 200 1926 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0" ... |
2020-07-07 05:08:43 |
| 203.195.154.146 | attackspambots | Unauthorized connection attempt detected from IP address 203.195.154.146 to port 23 |
2020-07-07 04:38:10 |
| 103.214.15.40 | attack | Unauthorized connection attempt detected from IP address 103.214.15.40 to port 80 |
2020-07-07 04:51:18 |
| 98.240.48.15 | attack | Unauthorized connection attempt detected from IP address 98.240.48.15 to port 23 |
2020-07-07 04:51:44 |
| 177.67.9.93 | attackbotsspam | Auto Detect gjan.info's Rule! This IP has been detected by automatic rule. |
2020-07-07 04:45:45 |
| 49.51.155.205 | attackspambots | Unauthorized connection attempt detected from IP address 49.51.155.205 to port 79 |
2020-07-07 04:58:06 |
| 118.89.144.131 | attackbots | Unauthorized connection attempt detected from IP address 118.89.144.131 to port 80 |
2020-07-07 04:48:49 |