City: unknown
Region: unknown
Country: Japan
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 1997-2025, American Registry for Internet Numbers, Ltd.
#
NetRange: 23.81.40.0 - 23.81.47.255
CIDR: 23.81.40.0/21
NetName: APNIC
NetHandle: NET-23-81-40-0-1
Parent: NET23 (NET-23-0-0-0-0)
NetType: Early Registrations, Transferred to APNIC
OriginAS:
Organization: Asia Pacific Network Information Centre (APNIC)
RegDate: 2022-06-27
Updated: 2022-06-27
Ref: https://rdap.arin.net/registry/ip/23.81.40.0
ResourceLink: https://apps.db.ripe.net/db-web-ui/query
ResourceLink: whois://whois.apnic.net
OrgName: Asia Pacific Network Information Centre
OrgId: APNIC
Address: PO Box 3646
City: South Brisbane
StateProv: QLD
PostalCode: 4101
Country: AU
RegDate:
Updated: 2012-01-24
Ref: https://rdap.arin.net/registry/entity/APNIC
ReferralServer: whois://whois.apnic.net
ResourceLink: https://apps.db.ripe.net/db-web-ui/query
OrgAbuseHandle: AWC12-ARIN
OrgAbuseName: APNIC Whois Contact
OrgAbusePhone: +61 7 3858 3188
OrgAbuseEmail: search-apnic-not-arin@apnic.net
OrgAbuseRef: https://rdap.arin.net/registry/entity/AWC12-ARIN
OrgTechHandle: AWC12-ARIN
OrgTechName: APNIC Whois Contact
OrgTechPhone: +61 7 3858 3188
OrgTechEmail: search-apnic-not-arin@apnic.net
OrgTechRef: https://rdap.arin.net/registry/entity/AWC12-ARIN
#
# 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 1997-2025, American Registry for Internet Numbers, Ltd.
#
Found a referral to whois.apnic.net.
% [whois.apnic.net]
% Whois data copyright terms http://www.apnic.net/db/dbcopyright.html
% Information related to '23.81.40.0 - 23.81.43.255'
% Abuse contact for '23.81.40.0 - 23.81.43.255' is 'abuse@jp.leaseweb.com'
inetnum: 23.81.40.0 - 23.81.43.255
netname: LEASEWEB-JP-1
descr: Leaseweb Japan K.K.
country: JP
admin-c: LJKA1-AP
tech-c: LJKA1-AP
abuse-c: AL1601-AP
status: ALLOCATED NON-PORTABLE
mnt-by: MAINT-LEASEWEB-JP
mnt-irt: IRT-LEASEWEB-JP
last-modified: 2024-12-31T15:49:53Z
source: APNIC
irt: IRT-LEASEWEB-JP
address: 201 Chambre de Nishi Azabu,, 4-14-14, Nishiazabu, Minato Ku Tokyo-To 106-0031
e-mail: abuse@jp.leaseweb.com
abuse-mailbox: abuse@jp.leaseweb.com
admin-c: LJKA1-AP
tech-c: LJKA1-AP
auth: # Filtered
remarks: abuse@jp.leaseweb.com was validated on 2025-07-17
mnt-by: MAINT-LEASEWEB-JP
last-modified: 2025-09-04T07:42:38Z
source: APNIC
role: ABUSE LEASEWEBJP
country: ZZ
address: 201 Chambre de Nishi Azabu,, 4-14-14, Nishiazabu, Minato Ku Tokyo-To 106-0031
phone: +000000000
e-mail: abuse@jp.leaseweb.com
admin-c: LJKA1-AP
tech-c: LJKA1-AP
nic-hdl: AL1601-AP
remarks: Generated from irt object IRT-LEASEWEB-JP
remarks: abuse@jp.leaseweb.com was validated on 2025-07-17
abuse-mailbox: abuse@jp.leaseweb.com
mnt-by: APNIC-ABUSE
last-modified: 2025-07-17T07:46:00Z
source: APNIC
role: Leaseweb Japan KK administrator
address: 201 Chambre de Nishi Azabu,, 4-14-14, Nishiazabu, Minato Ku Tokyo-To 106-0031
country: JP
phone: +31(0)20-3165168
e-mail: abuse@jp.leaseweb.com
admin-c: LJKA1-AP
tech-c: LJKA1-AP
nic-hdl: LJKA1-AP
mnt-by: MAINT-LEASEWEB-JP
last-modified: 2020-03-13T00:37:25Z
source: APNIC
% Information related to '23.81.40.0/21AS134351'
route: 23.81.40.0/21
origin: AS134351
descr: Leaseweb Japan K.K.
201 Chambre de Nishi Azabu,
4-14-14, Nishiazabu
mnt-by: MAINT-LEASEWEB-JP
last-modified: 2024-01-11T08:51:39Z
source: APNIC
% This query was served by the APNIC Whois Service version 1.88.34 (WHOIS-AU4); <<>> DiG 9.10.3-P4-Ubuntu <<>> 23.81.40.236
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 12218
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0
;; QUESTION SECTION:
;23.81.40.236. IN A
;; AUTHORITY SECTION:
. 30 IN SOA a.root-servers.net. nstld.verisign-grs.com. 2025101700 1800 900 604800 86400
;; Query time: 12 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Oct 17 15:37:53 CST 2025
;; MSG SIZE rcvd: 105Host 236.40.81.23.in-addr.arpa. not found: 3(NXDOMAIN)Server: 183.60.83.19
Address: 183.60.83.19#53
** server can't find 236.40.81.23.in-addr.arpa: NXDOMAIN| IP | Type | Details | Datetime |
|---|---|---|---|
| 137.74.119.50 | attackspambots | Fail2Ban Ban Triggered (2) |
2020-04-27 02:52:53 |
| 113.173.123.98 | attack | Invalid user admin from 113.173.123.98 port 34029 |
2020-04-27 02:55:07 |
| 31.184.177.6 | attackbots | Apr 26 16:28:52 legacy sshd[31889]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=31.184.177.6 Apr 26 16:28:54 legacy sshd[31889]: Failed password for invalid user mcc from 31.184.177.6 port 38064 ssh2 Apr 26 16:33:04 legacy sshd[31943]: Failed password for root from 31.184.177.6 port 38959 ssh2 ... |
2020-04-27 03:25:26 |
| 103.145.12.52 | attack | [2020-04-26 08:23:41] NOTICE[1170][C-00005d6e] chan_sip.c: Call from '' (103.145.12.52:61554) to extension '801146462607540' rejected because extension not found in context 'public'. [2020-04-26 08:23:41] SECURITY[1184] res_security_log.c: SecurityEvent="FailedACL",EventTV="2020-04-26T08:23:41.650-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="801146462607540",SessionID="0x7f6c087c6998",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/103.145.12.52/61554",ACLName="no_extension_match" [2020-04-26 08:25:37] NOTICE[1170][C-00005d74] chan_sip.c: Call from '' (103.145.12.52:62426) to extension '0046462607540' rejected because extension not found in context 'public'. [2020-04-26 08:25:37] SECURITY[1184] res_security_log.c: SecurityEvent="FailedACL",EventTV="2020-04-26T08:25:37.285-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="0046462607540",SessionID="0x7f6c080ab528",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/103. ... |
2020-04-27 03:18:56 |
| 195.154.118.235 | attack | Invalid user zsf from 195.154.118.235 port 46616 |
2020-04-27 03:02:40 |
| 113.172.176.45 | attack | Invalid user admin from 113.172.176.45 port 48159 |
2020-04-27 03:12:54 |
| 139.198.5.79 | attack | Apr 26 16:16:21 XXXXXX sshd[50172]: Invalid user rtest from 139.198.5.79 port 36054 |
2020-04-27 03:07:50 |
| 188.254.0.182 | attackbots | Apr 26 14:46:58 lock-38 sshd[1566849]: Failed password for invalid user jaguar from 188.254.0.182 port 50122 ssh2 Apr 26 14:46:59 lock-38 sshd[1566849]: Disconnected from invalid user jaguar 188.254.0.182 port 50122 [preauth] Apr 26 14:55:05 lock-38 sshd[1567097]: Invalid user test from 188.254.0.182 port 32864 Apr 26 14:55:05 lock-38 sshd[1567097]: Invalid user test from 188.254.0.182 port 32864 Apr 26 14:55:05 lock-38 sshd[1567097]: Failed password for invalid user test from 188.254.0.182 port 32864 ssh2 ... |
2020-04-27 03:02:58 |
| 138.197.222.141 | attackspam | Apr 26 17:36:22 odroid64 sshd\[31236\]: Invalid user maxreg from 138.197.222.141 Apr 26 17:36:22 odroid64 sshd\[31236\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=138.197.222.141 ... |
2020-04-27 03:08:20 |
| 111.229.172.178 | attackbots | SSH invalid-user multiple login try |
2020-04-27 03:13:32 |
| 217.182.70.150 | attackspambots | Invalid user wac from 217.182.70.150 port 59204 |
2020-04-27 03:26:52 |
| 190.0.141.165 | attack | 1587902350 - 04/26/2020 13:59:10 Host: 190.0.141.165/190.0.141.165 Port: 445 TCP Blocked |
2020-04-27 02:47:31 |
| 93.39.104.224 | attackspambots | Apr 26 17:58:27 vmd48417 sshd[2787]: Failed password for root from 93.39.104.224 port 56428 ssh2 |
2020-04-27 03:20:09 |
| 76.98.155.215 | attack | SSH brute-force attempt |
2020-04-27 03:21:17 |
| 94.191.66.227 | attackspambots | SSH brute force attempt |
2020-04-27 02:56:12 |