City: Los Angeles
Region: California
Country: United States
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 1997-2026, American Registry for Internet Numbers, Ltd.
#
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
OrgTechHandle: IPALL-ARIN
OrgTechName: IP Allocation
OrgTechPhone: +1-877-875-4311
OrgTechEmail: ipalloc@cogentco.com
OrgTechRef: https://rdap.arin.net/registry/entity/IPALL-ARIN
OrgAbuseHandle: COGEN-ARIN
OrgAbuseName: Cogent Abuse
OrgAbusePhone: +1-877-875-4311
OrgAbuseEmail: abuse@cogentco.com
OrgAbuseRef: https://rdap.arin.net/registry/entity/COGEN-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
#
# 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 1997-2026, 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 1.2.2)
network:ID:NET4-26F4000012
network:Network-Name:NET4-26F4000012
network:IP-Network:38.244.0.0/18
network:Org-Name:NetLab
network:Street-Address:624 SOUTH GRAND AVENUE
network:City:LOS ANGELES
network:State:CA
network:Country:US
network:Postal-Code:90017
network:Tech-Contact:ZC108-ARIN
network:Updated:2026-01-27 11:57:14
%ok
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 38.244.48.144
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 52993
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0
;; QUESTION SECTION:
;38.244.48.144. IN A
;; AUTHORITY SECTION:
. 30 IN SOA a.root-servers.net. nstld.verisign-grs.com. 2026091100 1800 900 604800 86400
;; Query time: 10 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Sep 11 17:27:18 CST 2026
;; MSG SIZE rcvd: 106
Host 144.48.244.38.in-addr.arpa. not found: 3(NXDOMAIN)
Server: 183.60.83.19
Address: 183.60.83.19#53
** server can't find 144.48.244.38.in-addr.arpa: NXDOMAIN
| IP | Type | Details | Datetime |
|---|---|---|---|
| 62.90.235.90 | attack | Repeated brute force against a port |
2019-11-21 04:02:12 |
| 190.64.135.122 | attackspam | Nov 20 17:28:50 server sshd\[6850\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=190.64.135.122 user=root Nov 20 17:28:52 server sshd\[6850\]: Failed password for root from 190.64.135.122 port 36440 ssh2 Nov 20 17:54:41 server sshd\[12897\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=190.64.135.122 user=root Nov 20 17:54:44 server sshd\[12897\]: Failed password for root from 190.64.135.122 port 36570 ssh2 Nov 20 17:59:19 server sshd\[14045\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=190.64.135.122 user=apache ... |
2019-11-21 03:58:30 |
| 61.246.7.145 | attackspam | Nov 20 15:44:47 ws22vmsma01 sshd[219190]: Failed password for root from 61.246.7.145 port 38278 ssh2 ... |
2019-11-21 04:09:08 |
| 62.234.141.48 | attackbots | Repeated brute force against a port |
2019-11-21 04:02:36 |
| 94.191.76.19 | attackspam | Nov 20 19:53:49 vpn01 sshd[21270]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=94.191.76.19 Nov 20 19:53:51 vpn01 sshd[21270]: Failed password for invalid user marimar from 94.191.76.19 port 40280 ssh2 ... |
2019-11-21 03:46:01 |
| 112.186.77.90 | attack | 2019-11-20T19:24:34.062921abusebot-5.cloudsearch.cf sshd\[11751\]: Invalid user robert from 112.186.77.90 port 41372 |
2019-11-21 03:50:03 |
| 14.207.175.206 | attackbotsspam | 20.11.2019 15:39:38 - Login Fail on hMailserver Detected by ELinOX-hMail-A2F |
2019-11-21 04:09:22 |
| 37.49.230.28 | attackspambots | \[2019-11-20 15:02:39\] SECURITY\[2765\] res_security_log.c: SecurityEvent="FailedACL",EventTV="2019-11-20T15:02:39.412-0500",Severity="Error",Service="SIP",EventVersion="1",AccountID="011441975359005",SessionID="0x7f26c48da0d8",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/37.49.230.28/49346",ACLName="no_extension_match" \[2019-11-20 15:02:52\] SECURITY\[2765\] res_security_log.c: SecurityEvent="FailedACL",EventTV="2019-11-20T15:02:52.215-0500",Severity="Error",Service="SIP",EventVersion="1",AccountID="011442893587002",SessionID="0x7f26c491a1e8",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/37.49.230.28/58641",ACLName="no_extension_match" \[2019-11-20 15:03:18\] SECURITY\[2765\] res_security_log.c: SecurityEvent="FailedACL",EventTV="2019-11-20T15:03:18.267-0500",Severity="Error",Service="SIP",EventVersion="1",AccountID="011441665529301",SessionID="0x7f26c469ef98",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/37.49.230.28/59796",ACLName="no_extens |
2019-11-21 04:05:54 |
| 187.16.39.96 | attackspambots | Brute force attempt |
2019-11-21 03:49:41 |
| 185.156.73.38 | attackspambots | 185.156.73.38 was recorded 38 times by 15 hosts attempting to connect to the following ports: 52511,52512,52510,31090,31092,31091. Incident counter (4h, 24h, all-time): 38, 218, 2205 |
2019-11-21 03:45:19 |
| 187.73.210.140 | attackbotsspam | Nov 20 18:24:09 MK-Soft-Root2 sshd[2019]: Failed password for root from 187.73.210.140 port 42503 ssh2 Nov 20 18:28:42 MK-Soft-Root2 sshd[2810]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=187.73.210.140 ... |
2019-11-21 03:57:16 |
| 61.69.254.46 | attackspam | Repeated brute force against a port |
2019-11-21 04:05:37 |
| 185.13.33.108 | attackbotsspam | B: Magento admin pass test (wrong country) |
2019-11-21 03:37:19 |
| 77.55.212.168 | attackbots | Repeated brute force against a port |
2019-11-21 03:52:53 |
| 159.203.74.227 | attackbots | Nov 20 15:30:08 ns382633 sshd\[8716\]: Invalid user tauntianna from 159.203.74.227 port 32856 Nov 20 15:30:08 ns382633 sshd\[8716\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=159.203.74.227 Nov 20 15:30:10 ns382633 sshd\[8716\]: Failed password for invalid user tauntianna from 159.203.74.227 port 32856 ssh2 Nov 20 15:39:26 ns382633 sshd\[10365\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=159.203.74.227 user=root Nov 20 15:39:28 ns382633 sshd\[10365\]: Failed password for root from 159.203.74.227 port 42478 ssh2 |
2019-11-21 04:08:32 |