City: Dallas
Region: Texas
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.
#
# 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
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
OrgAbuseHandle: COGEN-ARIN
OrgAbuseName: Cogent Abuse
OrgAbusePhone: +1-877-875-4311
OrgAbuseEmail: abuse@cogentco.com
OrgAbuseRef: https://rdap.arin.net/registry/entity/COGEN-ARIN
# end
# start
NetRange: 38.148.0.0 - 38.148.127.255
CIDR: 38.148.0.0/17
NetName: SUMOFIBER-NET-38-148-0-0-1
NetHandle: NET-38-148-0-0-1
Parent: COGENT-A (NET-38-0-0-0-1)
NetType: Reallocated
OriginAS:
Organization: Sumofiber (CL-64)
RegDate: 2023-04-06
Updated: 2025-05-07
Comment: Please use the abuse@sumofiber.com email address for all complaints regarding UCE (spam), copyright violations, security intrusions, and other suspected network abuse sourcing from SUMOFIBER networks. DO NOT COPY your complaint to any other ARIN SUMOFIBER POC's or email addresses on the SUMOFIBER network. Failure to comply with this statement will result in your complaint being ignored.
Ref: https://rdap.arin.net/registry/ip/38.148.0.0
OrgName: Sumofiber
OrgId: CL-64
Address: 505 w 2600 s
City: Bountiful
StateProv: UT
PostalCode: 84010
Country: US
RegDate: 2011-12-16
Updated: 2025-02-12
Comment: Geofeed https://as4226.com/geofeed.csv
Ref: https://rdap.arin.net/registry/entity/CL-64
OrgAbuseHandle: ABUSE9078-ARIN
OrgAbuseName: ABUSE
OrgAbusePhone: +1-801-320-1000
OrgAbuseEmail: abuse@sumofiber.com
OrgAbuseRef: https://rdap.arin.net/registry/entity/ABUSE9078-ARIN
OrgNOCHandle: APC16-ARIN
OrgNOCName: Arin Point of Contact
OrgNOCPhone: +1-801-889-8637
OrgNOCEmail: noc@sumofiber.com
OrgNOCRef: https://rdap.arin.net/registry/entity/APC16-ARIN
OrgTechHandle: APC16-ARIN
OrgTechName: Arin Point of Contact
OrgTechPhone: +1-801-889-8637
OrgTechEmail: noc@sumofiber.com
OrgTechRef: https://rdap.arin.net/registry/entity/APC16-ARIN
RNOCHandle: APC16-ARIN
RNOCName: Arin Point of Contact
RNOCPhone: +1-801-889-8637
RNOCEmail: noc@sumofiber.com
RNOCRef: https://rdap.arin.net/registry/entity/APC16-ARIN
RTechHandle: APC16-ARIN
RTechName: Arin Point of Contact
RTechPhone: +1-801-889-8637
RTechEmail: noc@sumofiber.com
RTechRef: https://rdap.arin.net/registry/entity/APC16-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 1997-2026, 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:NET4-2694000011
network:Network-Name:NET4-2694000011
network:IP-Network:38.148.0.0/17
network:Org-Name:SUMOFIBER LLC
network:Street-Address:1950 N STEMMONS FWY
network:City:DALLAS
network:State:TX
network:Country:US
network:Postal-Code:75207
network:Tech-Contact:ZC108-ARIN
network:Updated:2025-05-06 14:19:18
%ok; <<>> DiG 9.10.3-P4-Ubuntu <<>> 38.148.20.75
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 38138
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0
;; QUESTION SECTION:
;38.148.20.75. IN A
;; AUTHORITY SECTION:
. 30 IN SOA a.root-servers.net. nstld.verisign-grs.com. 2026101200 1800 900 604800 86400
;; Query time: 9 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Tue Oct 13 00:00:12 CST 2026
;; MSG SIZE rcvd: 105b'Host 75.20.148.38.in-addr.arpa not found: 2(SERVFAIL)
'server can't find 38.148.20.75.in-addr.arpa: SERVFAIL| IP | Type | Details | Datetime |
|---|---|---|---|
| 118.96.112.247 | attackbots | 20/6/26@08:14:53: FAIL: Alarm-Network address from=118.96.112.247 20/6/26@08:14:53: FAIL: Alarm-Network address from=118.96.112.247 ... |
2020-06-27 03:06:21 |
| 51.83.133.24 | attackspam | 2020-06-25T06:05:59.878648mail.cevreciler.com sshd[10972]: Invalid user alex from 51.83.133.24 port 42302 2020-06-25T06:05:59.883725mail.cevreciler.com sshd[10972]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=vps-7997d461.vps.ovh.net 2020-06-25T06:05:59.878648mail.cevreciler.com sshd[10972]: Invalid user alex from 51.83.133.24 port 42302 2020-06-25T06:06:02.006103mail.cevreciler.com sshd[10972]: Failed password for invalid user alex from 51.83.133.24 port 42302 ssh2 2020-06-25T06:09:40.704080mail.cevreciler.com sshd[10985]: Invalid user rhino from 51.83.133.24 port 44852 2020-06-25T06:09:40.709535mail.cevreciler.com sshd[10985]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=vps-7997d461.vps.ovh.net 2020-06-25T06:09:40.704080mail.cevreciler.com sshd[10985]: Invalid user rhino from 51.83.133.24 port 44852 2020-06-25T06:09:43.183833mail.cevreciler.com sshd[10985]: Failed password for inval........ ------------------------------ |
2020-06-27 02:48:40 |
| 106.12.131.230 | attackspambots | Unauthorised access (Jun 26) SRC=106.12.131.230 LEN=52 TOS=0x02 TTL=115 ID=11357 DF TCP DPT=445 WINDOW=8192 CWR ECE SYN |
2020-06-27 03:23:37 |
| 118.25.23.208 | attackbots | Jun 26 19:15:14 xeon sshd[24563]: Failed password for root from 118.25.23.208 port 40578 ssh2 |
2020-06-27 03:14:47 |
| 94.27.51.46 | attackspam | 1593170541 - 06/26/2020 13:22:21 Host: 94.27.51.46/94.27.51.46 Port: 445 TCP Blocked |
2020-06-27 03:21:33 |
| 129.204.13.112 | attackbotsspam | 20/6/26@08:08:29: FAIL: Alarm-Network address from=129.204.13.112 20/6/26@08:08:30: FAIL: Alarm-Network address from=129.204.13.112 ... |
2020-06-27 03:05:59 |
| 111.229.79.17 | attackbotsspam | 2020-06-26T19:17:25+0200 Failed SSH Authentication/Brute Force Attack. (Server 9) |
2020-06-27 03:10:37 |
| 201.150.103.86 | attack | Brute forcing RDP port 3389 |
2020-06-27 03:02:49 |
| 178.234.109.165 | attack | Honeypot attack, port: 445, PTR: X165.bbn07-109.lipetsk.ru. |
2020-06-27 03:15:37 |
| 51.195.146.202 | attackbots | 2020-06-26T18:53:31.140338abusebot-2.cloudsearch.cf sshd[14836]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=renautoma.best user=root 2020-06-26T18:53:32.935208abusebot-2.cloudsearch.cf sshd[14836]: Failed password for root from 51.195.146.202 port 60186 ssh2 2020-06-26T18:54:02.540361abusebot-2.cloudsearch.cf sshd[14840]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=renautoma.best user=root 2020-06-26T18:54:04.591616abusebot-2.cloudsearch.cf sshd[14840]: Failed password for root from 51.195.146.202 port 60530 ssh2 2020-06-26T18:54:32.987414abusebot-2.cloudsearch.cf sshd[14846]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=renautoma.best user=root 2020-06-26T18:54:34.822170abusebot-2.cloudsearch.cf sshd[14846]: Failed password for root from 51.195.146.202 port 60752 ssh2 2020-06-26T18:55:03.353303abusebot-2.cloudsearch.cf sshd[14848]: pam_unix(sshd:auth): ... |
2020-06-27 02:58:46 |
| 52.149.131.224 | attack | Jun 26 15:02:28 vps46666688 sshd[5017]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=52.149.131.224 Jun 26 15:02:30 vps46666688 sshd[5017]: Failed password for invalid user xd from 52.149.131.224 port 37094 ssh2 ... |
2020-06-27 02:53:04 |
| 185.220.101.213 | attackspambots | SSH brute-force attempt |
2020-06-27 02:46:36 |
| 52.149.183.196 | attackspambots | Invalid user guest from 52.149.183.196 port 18527 |
2020-06-27 02:45:47 |
| 116.55.245.26 | attackbots | Jun 26 18:03:54 server sshd[13997]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=116.55.245.26 Jun 26 18:03:56 server sshd[13997]: Failed password for invalid user worker from 116.55.245.26 port 55824 ssh2 Jun 26 18:08:24 server sshd[14235]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=116.55.245.26 ... |
2020-06-27 03:04:46 |
| 122.51.96.57 | attackspam | Cowrie Honeypot: 10 unauthorised SSH/Telnet login attempts between 2020-06-26T18:36:26Z and 2020-06-26T18:54:19Z |
2020-06-27 03:19:17 |