城市(city): Denver
省份(region): Colorado
国家(country): United States
运营商(isp): unknown
主机名(hostname): unknown
机构(organization): unknown
使用类型(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
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
OrgTechHandle: IPALL-ARIN
OrgTechName: IP Allocation
OrgTechPhone: +1-877-875-4311
OrgTechEmail: ipalloc@cogentco.com
OrgTechRef: https://rdap.arin.net/registry/entity/IPALL-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:NET4-26F8C00012
network:Network-Name:NET4-26F8C00012
network:IP-Network:38.248.192.0/18
network:Org-Name:Fiberpower LLC
network:Street-Address:280 STATE STREET
network:City:HACKENSACK
network:State:NJ
network:Country:US
network:Postal-Code:07601
network:Tech-Contact:ZC108-ARIN
network:Updated:2025-03-17 15:06:00
%ok; <<>> DiG 9.10.3-P4-Ubuntu <<>> 38.248.235.138
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 8136
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0
;; QUESTION SECTION:
;38.248.235.138. IN A
;; AUTHORITY SECTION:
. 30 IN SOA a.root-servers.net. nstld.verisign-grs.com. 2026022500 1800 900 604800 86400
;; Query time: 7 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Wed Feb 25 17:59:48 CST 2026
;; MSG SIZE rcvd: 107Host 138.235.248.38.in-addr.arpa. not found: 3(NXDOMAIN)Server: 183.60.83.19
Address: 183.60.83.19#53
** server can't find 138.235.248.38.in-addr.arpa: NXDOMAIN| IP | 类型 | 评论内容 | 时间 |
|---|---|---|---|
| 202.39.8.157 | attack | Unauthorized connection attempt detected from IP address 202.39.8.157 to port 8080 |
2020-01-01 22:49:53 |
| 218.173.7.229 | attackbotsspam | Fail2Ban - FTP Abuse Attempt |
2020-01-01 22:36:24 |
| 85.209.0.139 | attackspam | Jan 1 15:57:25 srv01 sshd[13120]: Did not receive identification string from 85.209.0.139 port 40186 Jan 1 15:57:27 srv01 sshd[13121]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=85.209.0.139 user=root Jan 1 15:57:30 srv01 sshd[13121]: Failed password for root from 85.209.0.139 port 4276 ssh2 Jan 1 15:57:27 srv01 sshd[13121]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=85.209.0.139 user=root Jan 1 15:57:30 srv01 sshd[13121]: Failed password for root from 85.209.0.139 port 4276 ssh2 ... |
2020-01-01 23:09:52 |
| 31.184.177.6 | attackbots | $f2bV_matches |
2020-01-01 22:46:10 |
| 117.33.22.76 | attackbotsspam | Scanning |
2020-01-01 22:29:33 |
| 88.95.76.155 | attackspam | $f2bV_matches |
2020-01-01 23:07:21 |
| 103.26.43.202 | attack | Jan 1 13:31:10 nextcloud sshd\[11308\]: Invalid user guest from 103.26.43.202 Jan 1 13:31:10 nextcloud sshd\[11308\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.26.43.202 Jan 1 13:31:12 nextcloud sshd\[11308\]: Failed password for invalid user guest from 103.26.43.202 port 32974 ssh2 ... |
2020-01-01 22:32:15 |
| 178.62.231.116 | attack | Jan 1 15:17:49 vps691689 sshd[13290]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=178.62.231.116 Jan 1 15:17:51 vps691689 sshd[13290]: Failed password for invalid user named from 178.62.231.116 port 36094 ssh2 ... |
2020-01-01 22:28:20 |
| 1.55.174.179 | attackbots | Unauthorized connection attempt detected from IP address 1.55.174.179 to port 23 |
2020-01-01 22:26:18 |
| 79.99.107.46 | attack | Unauthorized connection attempt detected from IP address 79.99.107.46 to port 445 |
2020-01-01 22:25:03 |
| 36.81.138.52 | attack | 1577859711 - 01/01/2020 07:21:51 Host: 36.81.138.52/36.81.138.52 Port: 445 TCP Blocked |
2020-01-01 22:56:08 |
| 59.63.9.10 | attackbotsspam | Jan 1 07:06:25 garuda postfix/smtpd[361]: warning: hostname 10.9.63.59.broad.jdz.jx.dynamic.163data.com.cn does not resolve to address 59.63.9.10: Name or service not known Jan 1 07:06:25 garuda postfix/smtpd[361]: warning: hostname 10.9.63.59.broad.jdz.jx.dynamic.163data.com.cn does not resolve to address 59.63.9.10: Name or service not known Jan 1 07:06:25 garuda postfix/smtpd[361]: connect from unknown[59.63.9.10] Jan 1 07:06:25 garuda postfix/smtpd[361]: connect from unknown[59.63.9.10] Jan 1 07:06:26 garuda postfix/smtpd[361]: warning: unknown[59.63.9.10]: SASL LOGIN authentication failed: generic failure Jan 1 07:06:26 garuda postfix/smtpd[361]: warning: unknown[59.63.9.10]: SASL LOGIN authentication failed: generic failure Jan 1 07:06:26 garuda postfix/smtpd[361]: lost connection after AUTH from unknown[59.63.9.10] Jan 1 07:06:26 garuda postfix/smtpd[361]: lost connection after AUTH from unknown[59.63.9.10] Jan 1 07:06:26 garuda postfix/smtpd[361]: disco........ ------------------------------- |
2020-01-01 22:38:32 |
| 106.13.114.26 | attackbots | ssh failed login |
2020-01-01 22:41:25 |
| 106.51.3.214 | attackbots | Jan 1 10:27:47 sshgateway sshd\[2097\]: Invalid user ronaldo from 106.51.3.214 Jan 1 10:27:47 sshgateway sshd\[2097\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.51.3.214 Jan 1 10:27:49 sshgateway sshd\[2097\]: Failed password for invalid user ronaldo from 106.51.3.214 port 52076 ssh2 |
2020-01-01 22:58:03 |
| 218.60.41.227 | attackspambots | SSH Brute Force |
2020-01-01 22:35:28 |