City: unknown
Region: unknown
Country: China
Internet Service Provider: unknown
Hostname: unknown
Organization: unknown
Usage Type: unknown
% [whois.apnic.net]
% Whois data copyright terms http://www.apnic.net/db/dbcopyright.html
% Information related to '121.248.0.0 - 121.251.255.255'
% Abuse contact for '121.248.0.0 - 121.251.255.255' is 'abuse@cernet.edu.cn'
inetnum: 121.248.0.0 - 121.251.255.255
netname: NJR-CERNET
descr: China Education and Research Network
descr: Nanjing Regional Network
country: CN
admin-c: CER-AP
tech-c: CER-AP
abuse-c: AC1685-AP
status: ALLOCATED PORTABLE
remarks: origin AS4538
remarks: confederation
remarks: --------------------------------------------------------
remarks: To report network abuse, please contact mnt-irt
remarks: For troubleshooting, please contact tech-c and admin-c
remarks: Report invalid contact via www.apnic.net/invalidcontact
remarks: --------------------------------------------------------
mnt-by: APNIC-HM
mnt-lower: MAINT-CERNET-AP
mnt-routes: MAINT-CERNET-AP
mnt-irt: IRT-CERNET-AP
last-modified: 2020-09-03T09:15:58Z
source: APNIC
irt: IRT-CERNET-AP
address: Network Center,
address: FIT-3-220, Tsinghua Univ
address: Beijing 100084, China
phone: +86-10-62784301
fax-no: +86-10-62785933
e-mail: abuse@cernet.edu.cn
abuse-mailbox: abuse@cernet.edu.cn
admin-c: CER-AP
tech-c: CER-AP
auth: # Filtered
remarks: timezone GMT+8
remarks: abuse@cernet.edu.cn was validated on 2026-03-05
mnt-by: MAINT-CERNET-AP
last-modified: 2026-03-05T06:39:56Z
source: APNIC
role: ABUSE CERNETAP
country: ZZ
address: Network Center,
address: FIT-3-220, Tsinghua Univ
address: Beijing 100084, China
phone: +86-10-62784301
e-mail: abuse@cernet.edu.cn
admin-c: CER-AP
tech-c: CER-AP
nic-hdl: AC1685-AP
remarks: Generated from irt object IRT-CERNET-AP
remarks: abuse@cernet.edu.cn was validated on 2026-03-05
abuse-mailbox: abuse@cernet.edu.cn
mnt-by: APNIC-ABUSE
last-modified: 2026-03-05T06:40:20Z
source: APNIC
role: CERNET Helpdesk
address: CERNET Center
address: Beijing 100084, China
country: CN
phone: +86-10-6278-4049
fax-no: +86-10-6278-5933
e-mail: helpdesk@cernet.edu.cn
remarks: abuse@cernet.edu.cn
admin-c: XL1-CN
tech-c: SZ2-AP
nic-hdl: CER-AP
mnt-by: MAINT-CERNET-AP
last-modified: 2020-09-03T09:14:12Z
source: APNIC
% Information related to '121.248.0.0/15AS4538'
route: 121.248.0.0/15
descr: CERNET
origin: AS4538
mnt-by: MAINT-CERNET-AP
last-modified: 2009-01-05T03:10:57Z
source: APNIC
% This query was served by the APNIC Whois Service version 1.88.36-SNAPSHOT (WHOIS-AU5); <<>> DiG 9.10.3-P4-Ubuntu <<>> 121.248.56.238
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 20294
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0
;; QUESTION SECTION:
;121.248.56.238. IN A
;; AUTHORITY SECTION:
. 30 IN SOA a.root-servers.net. nstld.verisign-grs.com. 2026032900 1800 900 604800 86400
;; Query time: 7 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Sun Mar 29 15:24:03 CST 2026
;; MSG SIZE rcvd: 107b'Host 238.56.248.121.in-addr.arpa not found: 2(SERVFAIL)
'server can't find 121.248.56.238.in-addr.arpa: SERVFAIL| IP | Type | Details | Datetime |
|---|---|---|---|
| 114.112.58.134 | attack | Oct 14 01:00:42 vps691689 sshd[9964]: Failed password for root from 114.112.58.134 port 33622 ssh2 Oct 14 01:06:21 vps691689 sshd[10074]: Failed password for root from 114.112.58.134 port 42336 ssh2 ... |
2019-10-14 07:20:30 |
| 114.97.186.113 | attackspambots | Oct 13 22:13:05 localhost postfix/smtpd\[31247\]: warning: unknown\[114.97.186.113\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6 Oct 13 22:13:12 localhost postfix/smtpd\[31247\]: warning: unknown\[114.97.186.113\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6 Oct 13 22:13:23 localhost postfix/smtpd\[31247\]: warning: unknown\[114.97.186.113\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6 Oct 13 22:13:49 localhost postfix/smtpd\[31247\]: warning: unknown\[114.97.186.113\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6 Oct 13 22:13:56 localhost postfix/smtpd\[31247\]: warning: unknown\[114.97.186.113\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6 ... |
2019-10-14 06:37:01 |
| 167.99.143.90 | attack | Mar 3 11:54:50 dillonfme sshd\[16950\]: Invalid user hydra from 167.99.143.90 port 44378 Mar 3 11:54:50 dillonfme sshd\[16950\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=167.99.143.90 Mar 3 11:54:52 dillonfme sshd\[16950\]: Failed password for invalid user hydra from 167.99.143.90 port 44378 ssh2 Mar 3 11:59:35 dillonfme sshd\[17072\]: Invalid user zv from 167.99.143.90 port 40870 Mar 3 11:59:35 dillonfme sshd\[17072\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=167.99.143.90 ... |
2019-10-14 06:53:10 |
| 72.137.107.77 | attack | 72.137.107.77 - - [13/Oct/2019:22:13:11 +0200] "GET /wp-login.php HTTP/1.1" 301 613 ... |
2019-10-14 07:16:21 |
| 46.188.109.21 | attackbotsspam | proto=tcp . spt=60301 . dpt=25 . (Found on Dark List de Oct 13) (774) |
2019-10-14 07:03:44 |
| 185.216.140.180 | attackbotsspam | 10/13/2019-18:49:54.501322 185.216.140.180 Protocol: 6 ET SCAN Suspicious inbound to mySQL port 3306 |
2019-10-14 07:12:41 |
| 58.47.177.158 | attackspam | Oct 14 00:48:46 legacy sshd[4018]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=58.47.177.158 Oct 14 00:48:47 legacy sshd[4018]: Failed password for invalid user Cde3Xsw2 from 58.47.177.158 port 32887 ssh2 Oct 14 00:52:53 legacy sshd[4133]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=58.47.177.158 ... |
2019-10-14 06:59:18 |
| 186.235.53.196 | attack | proto=tcp . spt=46000 . dpt=25 . (Found on Blocklist de Oct 13) (770) |
2019-10-14 07:14:44 |
| 104.155.91.177 | attackbotsspam | Oct 13 22:38:47 game-panel sshd[18941]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=104.155.91.177 Oct 13 22:38:49 game-panel sshd[18941]: Failed password for invalid user Boca2017 from 104.155.91.177 port 50068 ssh2 Oct 13 22:42:41 game-panel sshd[19118]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=104.155.91.177 |
2019-10-14 07:21:02 |
| 167.98.112.3 | attack | Aug 19 00:36:15 yesfletchmain sshd\[2033\]: Invalid user admin from 167.98.112.3 port 58834 Aug 19 00:36:15 yesfletchmain sshd\[2033\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=167.98.112.3 Aug 19 00:36:17 yesfletchmain sshd\[2033\]: Failed password for invalid user admin from 167.98.112.3 port 58834 ssh2 Aug 19 00:36:35 yesfletchmain sshd\[2040\]: Invalid user ubuntu from 167.98.112.3 port 58846 Aug 19 00:36:35 yesfletchmain sshd\[2040\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=167.98.112.3 ... |
2019-10-14 07:09:21 |
| 51.77.109.98 | attackspambots | Oct 13 12:55:03 web9 sshd\[24988\]: Invalid user Brown2017 from 51.77.109.98 Oct 13 12:55:03 web9 sshd\[24988\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.77.109.98 Oct 13 12:55:04 web9 sshd\[24988\]: Failed password for invalid user Brown2017 from 51.77.109.98 port 37714 ssh2 Oct 13 12:59:12 web9 sshd\[25592\]: Invalid user P@\$\$W00RD@2018 from 51.77.109.98 Oct 13 12:59:12 web9 sshd\[25592\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.77.109.98 |
2019-10-14 07:07:52 |
| 177.189.186.187 | attackspambots | Oct 14 01:02:13 ns381471 sshd[32195]: Failed password for root from 177.189.186.187 port 49250 ssh2 Oct 14 01:06:46 ns381471 sshd[32297]: Failed password for root from 177.189.186.187 port 60690 ssh2 |
2019-10-14 07:19:23 |
| 35.236.168.103 | attackspambots | Oct 13 23:43:20 microserver sshd[20528]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=35.236.168.103 user=root Oct 13 23:43:22 microserver sshd[20528]: Failed password for root from 35.236.168.103 port 57028 ssh2 Oct 13 23:47:42 microserver sshd[21127]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=35.236.168.103 user=root Oct 13 23:47:43 microserver sshd[21127]: Failed password for root from 35.236.168.103 port 40144 ssh2 Oct 13 23:52:00 microserver sshd[21729]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=35.236.168.103 user=root Oct 14 00:04:52 microserver sshd[23158]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=35.236.168.103 user=root Oct 14 00:04:54 microserver sshd[23158]: Failed password for root from 35.236.168.103 port 57308 ssh2 Oct 14 00:09:13 microserver sshd[24841]: pam_unix(sshd:auth): authentication failure; logname= uid |
2019-10-14 06:50:47 |
| 62.210.151.21 | attackspam | \[2019-10-13 18:44:44\] SECURITY\[1898\] res_security_log.c: SecurityEvent="FailedACL",EventTV="2019-10-13T18:44:44.821-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="913054404227",SessionID="0x7fc3ac2ed548",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/62.210.151.21/58418",ACLName="no_extension_match" \[2019-10-13 18:44:57\] SECURITY\[1898\] res_security_log.c: SecurityEvent="FailedACL",EventTV="2019-10-13T18:44:57.847-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="0013054404227",SessionID="0x7fc3ac00c388",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/62.210.151.21/59879",ACLName="no_extension_match" \[2019-10-13 18:45:14\] SECURITY\[1898\] res_security_log.c: SecurityEvent="FailedACL",EventTV="2019-10-13T18:45:14.127-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="01113054404227",SessionID="0x7fc3ac7f93a8",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/62.210.151.21/62803",ACLName="no_extension |
2019-10-14 06:59:45 |
| 213.153.177.98 | attackbots | proto=tcp . spt=54701 . dpt=25 . (Found on Dark List de Oct 13) (771) |
2019-10-14 07:10:53 |