42.247.113.103

Basic Info

City: unknown

Region: unknown

Country: China

Internet Service Provider: unknown

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 '42.244.0.0 - 42.247.255.255'

% Abuse contact for '42.244.0.0 - 42.247.255.255' is 'abuse@cernet.edu.cn'

inetnum:        42.244.0.0 - 42.247.255.255
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:  2020-09-03T09:16:28Z
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 2026-09-10
mnt-by:         MAINT-CERNET-AP
last-modified:  2026-09-10T07:51:56Z
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 2026-09-10
abuse-mailbox:  abuse@cernet.edu.cn
mnt-by:         APNIC-ABUSE
last-modified:  2026-09-10T07:52:32Z
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 '42.246.0.0/15AS4538'

route:          42.246.0.0/15
descr:          CERNET
origin:         AS4538
mnt-by:         MAINT-CERNET-AP
last-modified:  2017-03-14T04:00:08Z
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 <<>> 42.247.113.103
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 20639
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;42.247.113.103.			IN	A

;; AUTHORITY SECTION:
.			30	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2026100902 1800 900 604800 86400

;; Query time: 9 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Sat Oct 10 10:30:48 CST 2026
;; MSG SIZE  rcvd: 107

Host info

Host 103.113.247.42.in-addr.arpa. not found: 3(NXDOMAIN)

Nslookup info:

Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 103.113.247.42.in-addr.arpa: NXDOMAIN

Related IP info:

Related comments:

IP	Type	Details	Datetime
190.193.110.11	attackspam	Apr 20 19:44:30 ubuntu sshd[29586]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=190.193.110.11 Apr 20 19:44:32 ubuntu sshd[29586]: Failed password for invalid user webmaster from 190.193.110.11 port 55236 ssh2 Apr 20 19:47:20 ubuntu sshd[29681]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=190.193.110.11 Apr 20 19:47:22 ubuntu sshd[29681]: Failed password for invalid user Impi from 190.193.110.11 port 52252 ssh2	2019-08-01 02:51:34
47.74.148.22	attackbotsspam	Invalid user grandma from 47.74.148.22 port 39680	2019-08-01 02:50:08
130.180.193.73	attackspambots	Invalid user gmike from 130.180.193.73 port 39416	2019-08-01 02:45:12
79.137.33.20	attack	2019-07-31T18:50:31.356621abusebot-6.cloudsearch.cf sshd\[18885\]: Invalid user ftpuser from 79.137.33.20 port 34947	2019-08-01 03:19:40
218.92.0.201	attack	Jul 31 18:51:14 MK-Soft-VM4 sshd\[1233\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=218.92.0.201 user=root Jul 31 18:51:16 MK-Soft-VM4 sshd\[1233\]: Failed password for root from 218.92.0.201 port 34035 ssh2 Jul 31 18:51:17 MK-Soft-VM4 sshd\[1233\]: Failed password for root from 218.92.0.201 port 34035 ssh2 ...	2019-08-01 02:52:21
185.93.2.121	attackspam	\[2019-07-31 20:50:39\] NOTICE\[5713\] res_pjsip/pjsip_distributor.c: Request 'REGISTER' from '\' failed for '185.93.2.121:3742' \(callid: 1347823597-307183745-927654182\) - Failed to authenticate \[2019-07-31 20:50:39\] SECURITY\[1715\] res_security_log.c: SecurityEvent="ChallengeResponseFailed",EventTV="2019-07-31T20:50:39.136+0200",Severity="Error",Service="PJSIP",EventVersion="1",AccountID="\",SessionID="1347823597-307183745-927654182",LocalAddress="IPV4/UDP/188.40.118.248/5060",RemoteAddress="IPV4/UDP/185.93.2.121/3742",Challenge="1564599039/c20d5f597204cd602d22356f70fdef66",Response="d09ce9e3414883936f656599c8a0cf24",ExpectedResponse="" \[2019-07-31 20:50:39\] NOTICE\[18654\] res_pjsip/pjsip_distributor.c: Request 'REGISTER' from '\' failed for '185.93.2.121:3742' \(callid: 1347823597-307183745-927654182\) - Failed to authenticate \[2019-07-31 20:50:39\] SECURITY\[1715\] res_security_log.c: SecurityEvent="ChallengeResponseFaile	2019-08-01 03:07:53
62.149.27.69	attackspambots	3389BruteforceFW22	2019-08-01 03:05:30
165.227.1.117	attackspam	Jul 31 20:43:22 mail sshd\[29414\]: Invalid user ubuntu from 165.227.1.117 port 57980 Jul 31 20:43:22 mail sshd\[29414\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=165.227.1.117 Jul 31 20:43:24 mail sshd\[29414\]: Failed password for invalid user ubuntu from 165.227.1.117 port 57980 ssh2 Jul 31 20:49:10 mail sshd\[29959\]: Invalid user edi from 165.227.1.117 port 53892 Jul 31 20:49:10 mail sshd\[29959\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=165.227.1.117	2019-08-01 03:08:15
218.186.178.140	attackbotsspam	Jul 31 14:50:56 debian sshd\[17521\]: Invalid user not from 218.186.178.140 port 45044 Jul 31 14:50:56 debian sshd\[17521\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=218.186.178.140 Jul 31 14:50:58 debian sshd\[17521\]: Failed password for invalid user not from 218.186.178.140 port 45044 ssh2 ...	2019-08-01 03:03:50
78.186.5.209	attackbotsspam	Automatic report - Port Scan Attack	2019-08-01 03:24:09
147.50.50.67	attackbots	3389BruteforceFW22	2019-08-01 03:02:17
134.175.46.166	attackbotsspam	Jul 1 01:19:12 dallas01 sshd[13797]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=134.175.46.166 Jul 1 01:19:14 dallas01 sshd[13797]: Failed password for invalid user xue from 134.175.46.166 port 59904 ssh2 Jul 1 01:20:55 dallas01 sshd[14011]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=134.175.46.166	2019-08-01 02:44:54
172.104.55.205	attackspam	Brute force attack to crack SMTP password (port 25 / 587)	2019-08-01 03:29:02
46.101.10.42	attack	2019-07-31T18:51:16.873970abusebot-6.cloudsearch.cf sshd\[18890\]: Invalid user admin from 46.101.10.42 port 39176	2019-08-01 02:54:29
128.199.129.68	attack	Jul 31 21:44:07 www4 sshd\[25342\]: Invalid user p from 128.199.129.68 Jul 31 21:44:07 www4 sshd\[25342\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=128.199.129.68 Jul 31 21:44:09 www4 sshd\[25342\]: Failed password for invalid user p from 128.199.129.68 port 47246 ssh2 Jul 31 21:51:06 www4 sshd\[26218\]: Invalid user eryn from 128.199.129.68 Jul 31 21:51:06 www4 sshd\[26218\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=128.199.129.68 ...	2019-08-01 02:59:00

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