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: Santo Domingo Este

Region: Santo Domingo

Country: Dominican Republic

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 1997-2026, 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:       38.156.232.0 - 38.156.239.255
CIDR:           38.156.232.0/21
NetName:        BITNET-CGNT-NET-1
NetHandle:      NET-38-156-232-0-1
Parent:         COGENT-A (NET-38-0-0-0-1)
NetType:        Reassigned
OriginAS:       
Customer:       BITNET DOMINICANA, S.R.L. (C09290128)
RegDate:        2023-03-09
Updated:        2023-03-09
Ref:            https://rdap.arin.net/registry/ip/38.156.232.0


CustName:       BITNET DOMINICANA, S.R.L.
Address:        Calle Prolongacion caracol no. 84, Altos de Chavon
City:           Santo Domingo
StateProv:      BOCA CHICA
PostalCode:     11500
Country:        DO
RegDate:        2023-03-09
Updated:        2023-03-09
Ref:            https://rdap.arin.net/registry/entity/C09290128

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



#
# 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:NET4-269CE80015
network:Network-Name:NET4-269CE80015
network:IP-Network:38.156.232.0/21
network:Org-Name:BITNET DOMINICANA, S.R.L.
network:Street-Address:Calle Prolongación caracol no. 84, Altos de Chavon
network:City:Boca Chica
network:Country:DO
network:Postal-Code:11500
network:Tech-Contact:ZC108-ARIN
network:Updated:2024-05-13 18:31:09
%ok
Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 38.156.238.100
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 44457
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;38.156.238.100.			IN	A

;; AUTHORITY SECTION:
.			30	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2026100301 1800 900 604800 86400

;; Query time: 29 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Sun Oct 04 12:58:02 CST 2026
;; MSG SIZE  rcvd: 107
Host info
Host 100.238.156.38.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 100.238.156.38.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
163.172.127.251 attackspam
Jun  7 10:13:57 firewall sshd[13125]: Failed password for root from 163.172.127.251 port 59166 ssh2
Jun  7 10:17:16 firewall sshd[13221]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=163.172.127.251  user=root
Jun  7 10:17:19 firewall sshd[13221]: Failed password for root from 163.172.127.251 port 33252 ssh2
...
2020-06-07 21:30:17
5.188.62.14 attackspambots
Cowrie Honeypot: 10 unauthorised SSH/Telnet login attempts between 2020-06-07T11:23:53Z and 2020-06-07T12:08:19Z
2020-06-07 21:40:06
185.129.62.62 attackbotsspam
(smtpauth) Failed SMTP AUTH login from 185.129.62.62 (DK/Denmark/tor01.zencurity.dk): 1 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_TRIGGER; Logs: 2020-06-07 16:38:21 plain authenticator failed for tor01.zencurity.dk (co7hlk50pzak0stmtfvhiybjlkd) [185.129.62.62]: 535 Incorrect authentication data (set_id=info@nazhvangiah.com)
2020-06-07 21:31:00
103.100.188.29 attackbots
Port Scan detected!
...
2020-06-07 21:33:04
161.35.104.193 attackbots
24889/tcp 28780/tcp 11781/tcp...
[2020-05-11/06-06]58pkt,20pt.(tcp)
2020-06-07 21:55:57
106.53.86.116 attackspam
Jun  7 16:25:36 lukav-desktop sshd\[18740\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.53.86.116  user=root
Jun  7 16:25:38 lukav-desktop sshd\[18740\]: Failed password for root from 106.53.86.116 port 47074 ssh2
Jun  7 16:29:34 lukav-desktop sshd\[18803\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.53.86.116  user=root
Jun  7 16:29:36 lukav-desktop sshd\[18803\]: Failed password for root from 106.53.86.116 port 34786 ssh2
Jun  7 16:33:37 lukav-desktop sshd\[18890\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.53.86.116  user=root
2020-06-07 21:55:13
182.132.200.96 attackbotsspam
3389BruteforceStormFW21
2020-06-07 21:35:56
203.93.97.101 attackbots
Jun  7 13:53:39 ncomp sshd[5636]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=203.93.97.101  user=root
Jun  7 13:53:41 ncomp sshd[5636]: Failed password for root from 203.93.97.101 port 53327 ssh2
Jun  7 14:08:42 ncomp sshd[6028]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=203.93.97.101  user=root
Jun  7 14:08:44 ncomp sshd[6028]: Failed password for root from 203.93.97.101 port 41523 ssh2
2020-06-07 21:20:40
87.246.7.70 attack
Jun  6 05:10:49 websrv1.derweidener.de postfix/smtpd[3433275]: warning: unknown[87.246.7.70]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Jun  6 05:11:47 websrv1.derweidener.de postfix/smtpd[3434129]: warning: unknown[87.246.7.70]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Jun  6 05:12:20 websrv1.derweidener.de postfix/smtpd[3434129]: warning: unknown[87.246.7.70]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Jun  6 05:13:08 websrv1.derweidener.de postfix/smtpd[3434132]: warning: unknown[87.246.7.70]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Jun  6 05:13:59 websrv1.derweidener.de postfix/smtpd[3434129]: warning: unknown[87.246.7.70]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
2020-06-07 21:39:26
51.79.50.172 attack
detected by Fail2Ban
2020-06-07 21:40:41
222.186.30.76 attack
Jun  7 15:35:17 mellenthin sshd[27801]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.30.76  user=root
Jun  7 15:35:19 mellenthin sshd[27801]: Failed password for invalid user root from 222.186.30.76 port 12822 ssh2
2020-06-07 21:38:52
111.229.68.21 attack
IP 111.229.68.21 attacked honeypot on port: 6379 at 6/7/2020 1:08:00 PM
2020-06-07 21:44:12
192.99.15.15 attackbotsspam
ENG,WP GET /wp-login.php
2020-06-07 21:48:53
157.245.83.211 attackbotsspam
Jun  7 15:42:10 debian-2gb-nbg1-2 kernel: \[13796074.769322\] \[UFW BLOCK\] IN=eth0 OUT= MAC=96:00:00:0e:18:f4:d2:74:7f:6e:37:e3:08:00 SRC=157.245.83.211 DST=195.201.40.59 LEN=40 TOS=0x00 PREC=0x00 TTL=242 ID=52115 PROTO=TCP SPT=32767 DPT=18081 WINDOW=1024 RES=0x00 SYN URGP=0
2020-06-07 21:52:04
140.143.189.177 attack
Jun  7 06:43:01 server1 sshd\[13819\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=140.143.189.177  user=root
Jun  7 06:43:03 server1 sshd\[13819\]: Failed password for root from 140.143.189.177 port 57772 ssh2
Jun  7 06:47:24 server1 sshd\[16657\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=140.143.189.177  user=root
Jun  7 06:47:26 server1 sshd\[16657\]: Failed password for root from 140.143.189.177 port 49156 ssh2
Jun  7 06:51:47 server1 sshd\[22392\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=140.143.189.177  user=root
...
2020-06-07 21:54:53

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