121.24.109.100

Basic Info

City: unknown

Region: unknown

Country: China

Internet Service Provider: China Unicom

Hostname: unknown

Organization: unknown

Usage Type: unknown

Comments:

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Comments on same subnet:

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Whois info:

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

% Information related to '121.24.0.0 - 121.27.255.255'

% Abuse contact for '121.24.0.0 - 121.27.255.255' is 'hqs-ipabuse@chinaunicom.cn'

inetnum:        121.24.0.0 - 121.27.255.255
netname:        UNICOM-HE
descr:          China Unicom Hebei province network
descr:          China Unicom
country:        CN
admin-c:        CH1302-AP
tech-c:         KL984-AP
abuse-c:        AC1718-AP
status:         ALLOCATED PORTABLE
remarks:        service provider
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-CNCGROUP-HE
mnt-routes:     MAINT-CNCGROUP-RR
mnt-irt:        IRT-CU-CN
last-modified:  2025-01-22T13:15:36Z
source:         APNIC

irt:            IRT-CU-CN
address:        No.21,Financial Street
address:        Beijing,100033
address:        P.R.China
e-mail:         hqs-ipabuse@chinaunicom.cn
abuse-mailbox:  hqs-ipabuse@chinaunicom.cn
admin-c:        CH1302-AP
tech-c:         CH1302-AP
auth:           # Filtered
remarks:        hqs-ipabuse@chinaunicom.cn was validated on 2026-08-19
mnt-by:         MAINT-CNCGROUP
last-modified:  2026-08-19T00:57:22Z
source:         APNIC

role:           ABUSE CUCN
country:        ZZ
address:        No.21,Financial Street
address:        Beijing,100033
address:        P.R.China
phone:          +000000000
e-mail:         hqs-ipabuse@chinaunicom.cn
admin-c:        CH1302-AP
tech-c:         CH1302-AP
nic-hdl:        AC1718-AP
remarks:        Generated from irt object IRT-CU-CN
remarks:        hqs-ipabuse@chinaunicom.cn was validated on 2026-08-19
abuse-mailbox:  hqs-ipabuse@chinaunicom.cn
mnt-by:         APNIC-ABUSE
last-modified:  2026-08-20T03:22:23Z
source:         APNIC

person:         ChinaUnicom Hostmaster
nic-hdl:        CH1302-AP
e-mail:         hqs-ipabuse@chinaunicom.cn
address:        No.21,Jin-Rong Street
address:        Beijing,100033
address:        P.R.China
phone:          +86-10-66259764
fax-no:         +86-10-66259764
country:        CN
mnt-by:         MAINT-CNCGROUP
last-modified:  2017-08-17T06:13:16Z
source:         APNIC

person:         Kong Lingfei
nic-hdl:        KL984-AP
e-mail:         konglf5@chinaunicom.cn
address:        45, Guang An Street, Shi Jiazhuang City, HeBei Province,050011,CN
phone:          +86-311-86681601
fax-no:         +86-311-86689210
country:        cn
mnt-by:         MAINT-CNCGROUP-HE
last-modified:  2009-02-06T02:31:32Z
source:         APNIC

% Information related to '121.24.0.0/14AS4837'

route:          121.24.0.0/14
descr:          CNC Group CHINA169 Hebei Province Network
country:        CN
origin:         AS4837
mnt-by:         MAINT-CNCGROUP-RR
last-modified:  2008-09-04T07:54:47Z
source:         APNIC

% This query was served by the APNIC Whois Service version 1.88.48 (WHOIS-AU5)

Dig info:

; <<>> DiG 9.10.3-P4-Ubuntu <<>> 121.24.109.100
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 28744
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;121.24.109.100.			IN	A

;; AUTHORITY SECTION:
.			30	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2026102901 1800 900 604800 86400

;; Query time: 8 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Oct 30 02:30:46 CST 2026
;; MSG SIZE  rcvd: 107

Host info

Host 100.109.24.121.in-addr.arpa not found: 2(SERVFAIL)

Nslookup info:

server can't find 121.24.109.100.in-addr.arpa: SERVFAIL

Related IP info:

Related comments:

IP	Type	Details	Datetime
222.186.175.217	attackspambots	Jan 17 12:17:11 firewall sshd[10503]: Failed password for root from 222.186.175.217 port 4064 ssh2 Jan 17 12:17:14 firewall sshd[10503]: Failed password for root from 222.186.175.217 port 4064 ssh2 Jan 17 12:17:18 firewall sshd[10503]: Failed password for root from 222.186.175.217 port 4064 ssh2 ...	2020-01-17 23:21:22
2.228.149.174	attackbotsspam	Jan 17 15:43:01 [host] sshd[20909]: Invalid user cg from 2.228.149.174 Jan 17 15:43:01 [host] sshd[20909]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=2.228.149.174 Jan 17 15:43:02 [host] sshd[20909]: Failed password for invalid user cg from 2.228.149.174 port 52380 ssh2	2020-01-17 23:04:42
114.6.29.30	attack	2020-01-17T14:03:13.436248shield sshd\[27425\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=114.6.29.30 user=root 2020-01-17T14:03:15.393001shield sshd\[27425\]: Failed password for root from 114.6.29.30 port 39002 ssh2 2020-01-17T14:07:24.070753shield sshd\[28113\]: Invalid user mc from 114.6.29.30 port 53718 2020-01-17T14:07:24.079527shield sshd\[28113\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=114.6.29.30 2020-01-17T14:07:26.160715shield sshd\[28113\]: Failed password for invalid user mc from 114.6.29.30 port 53718 ssh2	2020-01-17 22:39:17
41.38.5.44	attack	Mail/25/465/587-993/995 Probe, Reject, BadAuth, Hack, SPAM -	2020-01-17 23:14:16
89.46.105.196	attackspam	Jan1713:11:11server4pure-ftpd:\(\?@91.211.112.66\)[WARNING]Authenticationfailedforuser[ftp]Jan1713:11:17server4pure-ftpd:\(\?@89.46.105.196\)[WARNING]Authenticationfailedforuser[ftp]Jan1713:15:01server4pure-ftpd:\(\?@209.97.177.241\)[WARNING]Authenticationfailedforuser[ftp]Jan1713:14:07server4pure-ftpd:\(\?@144.217.162.95\)[WARNING]Authenticationfailedforuser[ftp]Jan1713:14:09server4pure-ftpd:\(\?@51.75.5.52\)[WARNING]Authenticationfailedforuser[ftp]Jan1714:03:22server4pure-ftpd:\(\?@125.212.192.140\)[WARNING]Authenticationfailedforuser[ftp]Jan1713:12:20server4pure-ftpd:\(\?@85.118.100.9\)[WARNING]Authenticationfailedforuser[ftp]Jan1713:12:42server4pure-ftpd:\(\?@35.194.4.89\)[WARNING]Authenticationfailedforuser[ftp]Jan1713:09:48server4pure-ftpd:\(\?@203.162.123.109\)[WARNING]Authenticationfailedforuser[ftp]Jan1714:03:16server4pure-ftpd:\(\?@125.212.192.140\)[WARNING]Authenticationfailedforuser[ftp]IPAddressesBlocked:91.211.112.66\(DE/Germany/-\)	2020-01-17 22:36:42
122.51.191.69	attack	Jan 17 16:15:45 vmanager6029 sshd\[28595\]: Invalid user carolina from 122.51.191.69 port 59858 Jan 17 16:15:45 vmanager6029 sshd\[28595\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=122.51.191.69 Jan 17 16:15:47 vmanager6029 sshd\[28595\]: Failed password for invalid user carolina from 122.51.191.69 port 59858 ssh2	2020-01-17 23:17:31
51.75.5.52	attackbots	Jan1713:11:11server4pure-ftpd:\(\?@91.211.112.66\)[WARNING]Authenticationfailedforuser[ftp]Jan1713:11:17server4pure-ftpd:\(\?@89.46.105.196\)[WARNING]Authenticationfailedforuser[ftp]Jan1713:15:01server4pure-ftpd:\(\?@209.97.177.241\)[WARNING]Authenticationfailedforuser[ftp]Jan1713:14:07server4pure-ftpd:\(\?@144.217.162.95\)[WARNING]Authenticationfailedforuser[ftp]Jan1713:14:09server4pure-ftpd:\(\?@51.75.5.52\)[WARNING]Authenticationfailedforuser[ftp]Jan1714:03:22server4pure-ftpd:\(\?@125.212.192.140\)[WARNING]Authenticationfailedforuser[ftp]Jan1713:12:20server4pure-ftpd:\(\?@85.118.100.9\)[WARNING]Authenticationfailedforuser[ftp]Jan1713:12:42server4pure-ftpd:\(\?@35.194.4.89\)[WARNING]Authenticationfailedforuser[ftp]Jan1713:09:48server4pure-ftpd:\(\?@203.162.123.109\)[WARNING]Authenticationfailedforuser[ftp]Jan1714:03:16server4pure-ftpd:\(\?@125.212.192.140\)[WARNING]Authenticationfailedforuser[ftp]IPAddressesBlocked:91.211.112.66\(DE/Germany/-\)89.46.105.196\(IT/Italy/host196-105-46-89.serverdedicati.aruba.i	2020-01-17 22:37:36
106.75.244.62	attackbotsspam	Jan 17 15:19:02 meumeu sshd[29466]: Failed password for root from 106.75.244.62 port 55078 ssh2 Jan 17 15:22:40 meumeu sshd[30061]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.75.244.62 Jan 17 15:22:42 meumeu sshd[30061]: Failed password for invalid user user from 106.75.244.62 port 50166 ssh2 ...	2020-01-17 22:38:28
164.138.236.227	attackspambots	2020-01-17 07:02:51 H=(164.138.236.227.asas.net) [164.138.236.227]:55366 I=[192.147.25.65]:25 F= rejected RCPT : RBL: found in thrukfz5b56tq6xao6odgdyjrq.zen.dq.spamhaus.net (127.0.0.3, 127.0.0.4) (https://www.spamhaus.org/query/ip/164.138.236.227) 2020-01-17 07:02:51 H=(164.138.236.227.asas.net) [164.138.236.227]:55366 I=[192.147.25.65]:25 F= rejected RCPT : RBL: found in thrukfz5b56tq6xao6odgdyjrq.zen.dq.spamhaus.net (127.0.0.3, 127.0.0.4) (https://www.spamhaus.org/sbl/query/SBLCSS) 2020-01-17 07:02:52 H=(164.138.236.227.asas.net) [164.138.236.227]:55366 I=[192.147.25.65]:25 F= rejected RCPT : RBL: found in thrukfz5b56tq6xao6odgdyjrq.zen.dq.spamhaus.net (127.0.0.4, 127.0.0.3) (https://www.spamhaus.org/sbl/query/SBLCSS) ...	2020-01-17 22:58:05
200.144.244.182	attackbotsspam	Jan 17 14:45:57 localhost sshd\[24851\]: Invalid user idris from 200.144.244.182 Jan 17 14:45:57 localhost sshd\[24851\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=200.144.244.182 Jan 17 14:45:59 localhost sshd\[24851\]: Failed password for invalid user idris from 200.144.244.182 port 44098 ssh2 Jan 17 14:49:00 localhost sshd\[24943\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=200.144.244.182 user=mysql Jan 17 14:49:02 localhost sshd\[24943\]: Failed password for mysql from 200.144.244.182 port 56655 ssh2 ...	2020-01-17 23:01:59
222.186.180.8	attack	Jan 17 16:01:52 h2177944 sshd\[13471\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.180.8 user=root Jan 17 16:01:54 h2177944 sshd\[13471\]: Failed password for root from 222.186.180.8 port 25100 ssh2 Jan 17 16:01:57 h2177944 sshd\[13471\]: Failed password for root from 222.186.180.8 port 25100 ssh2 Jan 17 16:02:00 h2177944 sshd\[13471\]: Failed password for root from 222.186.180.8 port 25100 ssh2 ...	2020-01-17 23:20:42
191.242.182.132	attackspam	2020-01-17 07:02:51 H=(toddfishercpa.com) [191.242.182.132]:51637 I=[192.147.25.65]:25 F= rejected RCPT : RBL: found in thrukfz5b56tq6xao6odgdyjrq.zen.dq.spamhaus.net (127.0.0.4, 127.0.0.3) (https://www.spamhaus.org/query/ip/191.242.182.132) 2020-01-17 07:02:51 H=(toddfishercpa.com) [191.242.182.132]:51637 I=[192.147.25.65]:25 F= rejected RCPT : RBL: found in thrukfz5b56tq6xao6odgdyjrq.zen.dq.spamhaus.net (127.0.0.4, 127.0.0.3) (https://www.spamhaus.org/sbl/query/SBLCSS) 2020-01-17 07:02:52 H=(toddfishercpa.com) [191.242.182.132]:51637 I=[192.147.25.65]:25 F= rejected RCPT : RBL: found in thrukfz5b56tq6xao6odgdyjrq.zen.dq.spamhaus.net (127.0.0.4, 127.0.0.3) (https://www.spamhaus.org/query/ip/191.242.182.132) ...	2020-01-17 22:57:02
94.191.85.216	attackbots	Unauthorized connection attempt detected from IP address 94.191.85.216 to port 2220 [J]	2020-01-17 22:44:22
186.89.132.26	attack	Unauthorized connection attempt from IP address 186.89.132.26 on Port 445(SMB)	2020-01-17 22:57:31
42.236.10.76	attackbots	Input Traffic from this IP, but critial abuseconfidencescore	2020-01-17 22:52:08

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