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: San Jose

Region: California

Country: United States

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:
#
# 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.
#



# start

NetRange:       38.0.0.0 - 38.255.255.255
CIDR:           38.0.0.0/8
NetName:        COGENT-A
NetHandle:      NET-38-0-0-0-1
Parent:          ()
NetType:        Direct Allocation
OriginAS:       
Organization:   Cogent Communications, LLC (COGC)
RegDate:        1991-04-16
Updated:        2025-09-23
Ref:            https://rdap.arin.net/registry/ip/38.0.0.0



OrgName:        Cogent Communications, LLC
OrgId:          COGC
Address:        2450 N Street NW
City:           Washington
StateProv:      DC
PostalCode:     20037
Country:        US
RegDate:        2000-05-30
Updated:        2025-09-23
Comment:        Geofeed https://geofeed.cogentco.com/geofeed.csv
Ref:            https://rdap.arin.net/registry/entity/COGC

ReferralServer:  rwhois://rwhois.cogentco.com:4321

OrgAbuseHandle: COGEN-ARIN
OrgAbuseName:   Cogent Abuse
OrgAbusePhone:  +1-877-875-4311 
OrgAbuseEmail:  abuse@cogentco.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/COGEN-ARIN

OrgTechHandle: IPALL-ARIN
OrgTechName:   IP Allocation
OrgTechPhone:  +1-877-875-4311 
OrgTechEmail:  ipalloc@cogentco.com
OrgTechRef:    https://rdap.arin.net/registry/entity/IPALL-ARIN

OrgNOCHandle: ZC108-ARIN
OrgNOCName:   Cogent Communications
OrgNOCPhone:  +1-877-875-4311 
OrgNOCEmail:  noc@cogentco.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/ZC108-ARIN

# end


# start

NetRange:       38.54.0.0 - 38.54.127.255
CIDR:           38.54.0.0/17
NetName:        KAOPU-CGNT-NET-1
NetHandle:      NET-38-54-0-0-1
Parent:         COGENT-A (NET-38-0-0-0-1)
NetType:        Reallocated
OriginAS:       
Organization:   Kaopu Cloud HK Limited (KCHL-3)
RegDate:        2022-05-04
Updated:        2022-05-04
Ref:            https://rdap.arin.net/registry/ip/38.54.0.0


OrgName:        Kaopu Cloud HK Limited
OrgId:          KCHL-3
Address:        LEVEL 54 HOPEWELL CENTRE 183 QUEEN'S ROAD EAST HK
City:           HK
StateProv:      
PostalCode:     
Country:        HK
RegDate:        2022-04-13
Updated:        2023-11-21
Comment:        Geofeed https://www.kaopucloud.com/geofeed.csv
Ref:            https://rdap.arin.net/registry/entity/KCHL-3


OrgTechHandle: MANAG489-ARIN
OrgTechName:   Manager
OrgTechPhone:  +852 94159695 
OrgTechEmail:  whois@kaopucloud.com
OrgTechRef:    https://rdap.arin.net/registry/entity/MANAG489-ARIN

OrgAbuseHandle: MANAG489-ARIN
OrgAbuseName:   Manager
OrgAbusePhone:  +852 94159695 
OrgAbuseEmail:  whois@kaopucloud.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/MANAG489-ARIN

# end


# start

NetRange:       38.54.117.0 - 38.54.117.255
CIDR:           38.54.117.0/24
NetName:        LIGHTNODE-TH
NetHandle:      NET-38-54-117-0-1
Parent:         KAOPU-CGNT-NET-1 (NET-38-54-0-0-1)
NetType:        Reassigned
OriginAS:       
Customer:       LightNode-TH (C08948854)
RegDate:        2022-10-12
Updated:        2022-10-12
Ref:            https://rdap.arin.net/registry/ip/38.54.117.0


CustName:       LightNode-TH
Address:        Thailand,Bangkok
City:           Bangkok
StateProv:      
PostalCode:     
Country:        TH
RegDate:        2022-10-12
Updated:        2022-10-12
Ref:            https://rdap.arin.net/registry/entity/C08948854

OrgTechHandle: MANAG489-ARIN
OrgTechName:   Manager
OrgTechPhone:  +852 94159695 
OrgTechEmail:  whois@kaopucloud.com
OrgTechRef:    https://rdap.arin.net/registry/entity/MANAG489-ARIN

OrgAbuseHandle: MANAG489-ARIN
OrgAbuseName:   Manager
OrgAbusePhone:  +852 94159695 
OrgAbuseEmail:  whois@kaopucloud.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/MANAG489-ARIN

# end



#
# 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 rwhois.cogentco.com:4321.

%rwhois V-1.5:0010b0:00 rwhois.cogentco.com (CGNT rwhoisd 1.2.1)
network:ID:NET4-2636000011
network:Network-Name:NET4-2636000011
network:IP-Network:38.54.0.0/17
network:Org-Name:KAOPU CLOUD HK LIMITED
network:Street-Address:11 GREAT OAKS BLVD
network:City:SAN JOSE
network:State:CA
network:Country:US
network:Postal-Code:95119
network:Tech-Contact:ZC108-ARIN
network:Updated:2025-05-06 14:14:32
%ok
Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 38.54.117.51
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 45847
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;38.54.117.51.			IN	A

;; AUTHORITY SECTION:
.			30	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2025110700 1800 900 604800 86400

;; Query time: 42 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Nov 07 13:43:00 CST 2025
;; MSG SIZE  rcvd: 105
Host info
b'Host 51.117.54.38.in-addr.arpa not found: 2(SERVFAIL)
'
Nslookup info:
server can't find 38.54.117.51.in-addr.arpa: SERVFAIL
Related IP info:
Related comments:
IP Type Details Datetime
89.248.162.168 attack
MultiHost/MultiPort Probe, Scan, Hack -
2019-07-20 18:43:12
31.163.149.197 attackspam
Honeypot attack, port: 23, PTR: ws197.zone31-163-149.zaural.ru.
2019-07-20 18:51:29
211.149.192.112 attack
xmlrpc attack
2019-07-20 18:38:35
162.243.7.171 attack
Auto reported by IDS
2019-07-20 18:53:11
185.234.218.251 attackspambots
Rude login attack (66 tries in 1d)
2019-07-20 18:18:42
185.234.216.220 attackspam
Jul 20 02:30:15 mail postfix/smtpd\[31898\]: warning: unknown\[185.234.216.220\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6\
Jul 20 03:01:06 mail postfix/smtpd\[32434\]: warning: unknown\[185.234.216.220\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6\
Jul 20 03:11:16 mail postfix/smtpd\[32629\]: warning: unknown\[185.234.216.220\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6\
Jul 20 03:21:46 mail postfix/smtpd\[373\]: warning: unknown\[185.234.216.220\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6\
2019-07-20 18:32:16
103.50.5.164 attack
firewall-block, port(s): 23/tcp
2019-07-20 18:36:23
52.143.153.32 attackbots
Jul 20 12:08:22 * sshd[16413]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=52.143.153.32
Jul 20 12:08:24 * sshd[16413]: Failed password for invalid user support from 52.143.153.32 port 59100 ssh2
2019-07-20 18:19:10
164.132.225.250 attackbots
Jul 20 06:46:53 mail sshd\[19159\]: Invalid user victor from 164.132.225.250 port 41316
Jul 20 06:46:53 mail sshd\[19159\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=164.132.225.250
Jul 20 06:46:55 mail sshd\[19159\]: Failed password for invalid user victor from 164.132.225.250 port 41316 ssh2
Jul 20 06:51:23 mail sshd\[19703\]: Invalid user sam from 164.132.225.250 port 39238
Jul 20 06:51:23 mail sshd\[19703\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=164.132.225.250
2019-07-20 17:56:37
107.170.234.57 attack
Jul 20 05:02:55 Tower sshd[33835]: Connection from 107.170.234.57 port 52940 on 192.168.10.220 port 22
Jul 20 05:02:59 Tower sshd[33835]: Invalid user ashton from 107.170.234.57 port 52940
Jul 20 05:02:59 Tower sshd[33835]: error: Could not get shadow information for NOUSER
Jul 20 05:02:59 Tower sshd[33835]: Failed password for invalid user ashton from 107.170.234.57 port 52940 ssh2
Jul 20 05:02:59 Tower sshd[33835]: Received disconnect from 107.170.234.57 port 52940:11: Bye Bye [preauth]
Jul 20 05:02:59 Tower sshd[33835]: Disconnected from invalid user ashton 107.170.234.57 port 52940 [preauth]
2019-07-20 18:52:11
205.178.24.203 attackbotsspam
Jul 20 11:22:43 [munged] sshd[7442]: Invalid user jasmine from 205.178.24.203 port 50838
Jul 20 11:22:43 [munged] sshd[7442]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=205.178.24.203
2019-07-20 18:40:05
194.4.42.180 attackbots
Automatic report - Port Scan Attack
2019-07-20 18:45:29
89.233.219.57 attack
Honeypot attack, port: 23, PTR: 89-233-219-57.cust.bredband2.com.
2019-07-20 18:53:55
106.247.228.75 attackspambots
Jul 20 09:51:30 ubuntu-2gb-nbg1-dc3-1 sshd[23296]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.247.228.75
Jul 20 09:51:31 ubuntu-2gb-nbg1-dc3-1 sshd[23296]: Failed password for invalid user aaron from 106.247.228.75 port 57224 ssh2
...
2019-07-20 18:09:34
159.65.12.163 attackspam
Auto reported by IDS
2019-07-20 17:59:37

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