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: unknown

Region: unknown

Country: China

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:
% [whois.apnic.net]
% Whois data copyright terms    http://www.apnic.net/db/dbcopyright.html

% Information related to '210.25.0.0 - 210.25.255.255'

% Abuse contact for '210.25.0.0 - 210.25.255.255' is 'abuse@cernet.edu.cn'

inetnum:        210.25.0.0 - 210.25.255.255
netname:        CERNET-CN-PI
descr:          China Education and Research Network
descr:          Room 224, Tsinghua University
descr:          Beijing, China
descr:          PI allocation for
descr:          multi-homed members
country:        CN
admin-c:        JW725-AP
tech-c:         XL364-AP
tech-c:         LZ530-AP
abuse-c:        AC1685-AP
status:         ALLOCATED PORTABLE
remarks:        confederation
mnt-by:         APNIC-HM
mnt-lower:      MAINT-CERNET-AP
mnt-routes:     MAINT-CERNET-AP
mnt-irt:        IRT-CERNET-AP
last-modified:  2020-10-20T00:56:02Z
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:  2026-05-25T09:07:47Z
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

person:         Jianping Wu
address:        China Education and Research Network Center
address:        Room 225, Main Building, Tsinghua University
address:        Beijing 100084
address:        CN
country:        CN
phone:          +86-10-6278-5983
fax-no:         +86-10-6278-5933
e-mail:         jianping@cernet.edu.cn
nic-hdl:        JW725-AP
mnt-by:         MAINT-CERNET-AP
last-modified:  2011-12-22T05:23:32Z
source:         APNIC

person:         Ling Zhang
address:        Network Center
address:        South China University of Technology
address:        Guangzhou, Guangdong 510641, China
address:        CN
country:        CN
phone:          +86-20-87110596
fax-no:         +86-20-87110019
e-mail:         ling@scut.edu.cn
nic-hdl:        LZ530-AP
notify:         dbmon@apnic.net
mnt-by:         MAINT-CERNET-AP
last-modified:  2011-12-22T05:23:32Z
source:         APNIC

person:         Xing Li
address:        China Education and Research Network Center
address:        Room 225, Main Building, Tsinghua University
address:        Beijing 100084
address:        CN
country:        CN
phone:          +86-10-6278-5983
fax-no:         +86-10-6278-5933
e-mail:         xing@cernet.edu.cn
nic-hdl:        XL364-AP
mnt-by:         MAINT-CERNET-AP
last-modified:  2011-12-22T05:23:32Z
source:         APNIC

% Information related to '210.25.0.0/16AS4538'

route:          210.25.0.0/16
descr:          CERNET
origin:         AS4538
mnt-by:         MAINT-CERNET-AP
last-modified:  2026-06-17T08:11:52Z
source:         APNIC

% This query was served by the APNIC Whois Service version 1.88.48 (WHOIS-US2)
Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 210.25.183.252
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 47633
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;210.25.183.252.			IN	A

;; AUTHORITY SECTION:
.			30	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2026090400 1800 900 604800 86400

;; Query time: 7 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Sep 04 13:49:54 CST 2026
;; MSG SIZE  rcvd: 107
Host info
Host 252.183.25.210.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 252.183.25.210.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
49.232.172.254 attackbotsspam
Sep 27 02:18:20 serwer sshd\[6785\]: Invalid user tester from 49.232.172.254 port 50666
Sep 27 02:18:20 serwer sshd\[6785\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=49.232.172.254
Sep 27 02:18:22 serwer sshd\[6785\]: Failed password for invalid user tester from 49.232.172.254 port 50666 ssh2
Sep 27 02:23:05 serwer sshd\[7402\]: Invalid user sansforensics from 49.232.172.254 port 41664
Sep 27 02:23:05 serwer sshd\[7402\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=49.232.172.254
Sep 27 02:23:07 serwer sshd\[7402\]: Failed password for invalid user sansforensics from 49.232.172.254 port 41664 ssh2
Sep 27 02:25:57 serwer sshd\[7781\]: Invalid user gituser from 49.232.172.254 port 44674
Sep 27 02:25:57 serwer sshd\[7781\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=49.232.172.254
Sep 27 02:25:59 serwer sshd\[7781\]: Failed password for invalid u
...
2020-09-29 04:26:34
112.35.90.128 attack
SSH login attempts.
2020-09-29 04:25:10
104.248.145.254 attackbots
[N1.H1.VM1] Port Scanner Detected Blocked by UFW
2020-09-29 04:25:26
106.52.181.236 attackspam
Invalid user installer from 106.52.181.236 port 31735
2020-09-29 04:15:49
162.142.125.28 attackspam
 UDP 162.142.125.28:61568 -> port 53, len 72
2020-09-29 04:13:43
162.243.128.215 attackbots
Port scan denied
2020-09-29 04:09:56
66.249.64.204 attackspambots
Automatic report - Banned IP Access
2020-09-29 04:12:17
88.18.162.144 attackspambots
[27/Sep/2020:17:20:44 -0400] "GET / HTTP/1.1" "Mozilla/5.0 zgrab/0.x"
2020-09-29 03:52:18
222.186.173.154 attack
Time:     Sun Sep 27 02:38:49 2020 +0000
IP:       222.186.173.154 (CN/China/-)
Failures: 5 (sshd)
Interval: 3600 seconds
Blocked:  Permanent Block [LF_SSHD]

Log entries:

Sep 27 02:38:33 29-1 sshd[14958]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.173.154  user=root
Sep 27 02:38:36 29-1 sshd[14958]: Failed password for root from 222.186.173.154 port 34818 ssh2
Sep 27 02:38:39 29-1 sshd[14958]: Failed password for root from 222.186.173.154 port 34818 ssh2
Sep 27 02:38:42 29-1 sshd[14958]: Failed password for root from 222.186.173.154 port 34818 ssh2
Sep 27 02:38:45 29-1 sshd[14958]: Failed password for root from 222.186.173.154 port 34818 ssh2
2020-09-29 04:18:56
46.185.138.163 attackspam
Sep 28 14:52:45 *** sshd[23389]: User root from 46.185.138.163 not allowed because not listed in AllowUsers
2020-09-29 04:28:09
200.68.142.225 attackbotsspam
Email rejected due to spam filtering
2020-09-29 04:06:42
104.248.130.17 attackspambots
Invalid user nginx from 104.248.130.17 port 58826
2020-09-29 03:58:53
117.34.91.22 attackspam
Invalid user menu from 117.34.91.22 port 54888
2020-09-29 03:51:58
23.92.213.182 attack
$f2bV_matches
2020-09-29 04:10:25
119.45.48.108 attackbots
2020-09-28T03:58:27.156000vps773228.ovh.net sshd[22395]: Failed password for invalid user info from 119.45.48.108 port 50336 ssh2
2020-09-28T04:03:54.267254vps773228.ovh.net sshd[22442]: Invalid user trung from 119.45.48.108 port 52320
2020-09-28T04:03:54.287450vps773228.ovh.net sshd[22442]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=119.45.48.108
2020-09-28T04:03:54.267254vps773228.ovh.net sshd[22442]: Invalid user trung from 119.45.48.108 port 52320
2020-09-28T04:03:56.139778vps773228.ovh.net sshd[22442]: Failed password for invalid user trung from 119.45.48.108 port 52320 ssh2
...
2020-09-29 04:01:15

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