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:NET4-26AFC00013
network:Network-Name:NET4-26AFC00013
network:IP-Network:38.175.192.0/19
network:Org-Name:NetLab
network:Street-Address:530 W 6TH ST
network:City:LOS ANGELES
network:State:CA
network:Country:US
network:Postal-Code:90014
network:Tech-Contact:ZC108-ARIN
network:Updated:2025-07-09 21:22:25
%ok
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 38.175.216.165
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 51810
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0
;; QUESTION SECTION:
;38.175.216.165. IN A
;; AUTHORITY SECTION:
. 30 IN SOA a.root-servers.net. nstld.verisign-grs.com. 2026042200 1800 900 604800 86400
;; Query time: 6 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Wed Apr 22 22:23:21 CST 2026
;; MSG SIZE rcvd: 107
165.216.175.38.in-addr.arpa domain name pointer undefined.hostname.localhost.
Server: 183.60.83.19
Address: 183.60.83.19#53
Non-authoritative answer:
165.216.175.38.in-addr.arpa name = undefined.hostname.localhost.
Authoritative answers can be found from:
| IP | Type | Details | Datetime |
|---|---|---|---|
| 217.112.128.173 | attack | email spam |
2019-12-17 17:38:51 |
| 154.72.187.26 | attackbotsspam | email spam |
2019-12-17 17:20:48 |
| 198.12.125.83 | attack | email spam |
2019-12-17 17:13:53 |
| 1.212.181.131 | attackspambots | email spam |
2019-12-17 17:08:59 |
| 137.59.48.129 | attack | email spam |
2019-12-17 17:22:45 |
| 46.189.19.104 | attack | email spam |
2019-12-17 17:36:08 |
| 217.112.142.128 | attackspam | email spam |
2019-12-17 17:10:18 |
| 201.251.91.118 | attack | email spam |
2019-12-17 17:40:12 |
| 201.161.223.150 | attackspambots | proto=tcp . spt=38852 . dpt=25 . (Found on Dark List de Dec 17) (313) |
2019-12-17 17:41:11 |
| 134.73.31.201 | attackspambots | email spam |
2019-12-17 17:23:13 |
| 186.251.208.115 | attackspambots | email spam |
2019-12-17 17:46:33 |
| 185.255.46.100 | attackbots | email spam |
2019-12-17 17:46:57 |
| 5.172.33.219 | attackbotsspam | email spam |
2019-12-17 17:08:16 |
| 201.184.75.210 | attackbots | email spam |
2019-12-17 17:40:43 |
| 77.32.197.24 | attackspambots | email spam |
2019-12-17 17:32:49 |