Summary
- Hostname
- 103-86-55-2.optix.pk
- ASN
- AS136384
- Organization
- Optix Pakistan (Pvt.) Limited
- Network
- OPTIX-PK
- Range
- 103.86.52.0 - 103.86.55.255
- /24 block
- 103.86.55.0/24
- Country
- PK
- Blacklists
- 2 of 14
- Abuse contact
- [email protected]
Presence of 103.86.55.2 in blacklists
| List | Status |
|---|---|
| zen.spamhaus.org | Listed |
| dnsbl-3.uceprotect.net | Listed |
| bl.spamcop.net | Not listed |
| black.junkemailfilter.com | Not listed |
| multi.surbl.org | Not listed |
| dnsbl.sorbs.net | Not listed |
| b.barracudacentral.org | Not listed |
| dnsbl.tornevall.org | Not listed |
| dnsbl.httpbl.org | Not listed |
| dnsbl-1.uceprotect.net | Not listed |
| dnsbl-2.uceprotect.net | Not listed |
| v4.fullbogons.cymru.com | Not listed |
| bl.blocklist.de | Not listed |
| rbl.blockedservers.com | Not listed |
What is a blacklist (RBL)?
An RBL (Real-time Blackhole List), also known as a DNSBL (DNS-based Blackhole List), is a mechanism used to fight spam by blocking e-mails coming from sources known to send spam. RBLs are databases listing the IP addresses deemed responsible for sending unsolicited e-mail. Mail server administrators use these lists to filter incoming e-mails by checking whether the sender's IP address appears in one or more RBLs. If it does, the e-mail may be rejected or subjected to additional checks.
There are different types of RBLs, each with its own criteria for listing IP addresses. Some focus on IP addresses that send spam directly, while others list IP addresses belonging to networks known to host computers infected with malware and used as bots to send spam. RBL operators keep their lists up to date through automatic and manual contributions, and IP address owners can often request removal from a list if they believe the listing is unjustified.
WHOIS data for 103.86.55.2
% [whois.apnic.net]
% Whois data copyright terms http://www.apnic.net/db/dbcopyright.html
% Information related to '103.86.52.0 - 103.86.55.255'
% Abuse contact for '103.86.52.0 - 103.86.55.255' is '[email protected]'
inetnum: 103.86.52.0 - 103.86.55.255
netname: OPTIX-PK
descr: Optix Pakistan (Pvt.) Limited
country: PK
org: ORG-OPL13-AP
admin-c: OPPL2-AP
tech-c: OPPL2-AP
abuse-c: AO203-AP
status: ALLOCATED PORTABLE
remarks: --------------------------------------------------------
remarks: To report network abuse, please contact mnt-irt
remarks: For troubleshooting, please contact tech-c and admin-c
remarks: Report invalid contact via www.apnic.net/invalidcontact
remarks: --------------------------------------------------------
mnt-by: APNIC-HM
mnt-lower: MAINT-OPTIX-PK
mnt-routes: MAINT-OPTIX-PK
mnt-irt: IRT-OPTIX-PK
last-modified: 2020-07-07T13:10:01Z
source: APNIC
irt: IRT-OPTIX-PK
address: 1D-203, Sector 30, Korangi Industrial Area,, Karachi Sindh
e-mail: [email protected]
abuse-mailbox: [email protected]
admin-c: OPPL2-AP
tech-c: OPPL2-AP
auth: # Filtered
remarks: [email protected] is invalid
mnt-by: MAINT-OPTIX-PK
last-modified: 2026-03-04T13:08:59Z
source: APNIC
organisation: ORG-OPL13-AP
org-name: Optix Pakistan (Pvt.) Limited
org-type: LIR
country: PK
address: 1D-203, Sector 30, Korangi Industrial Area,
phone: +92-344-4482657
e-mail: [email protected]
mnt-ref: APNIC-HM
mnt-by: APNIC-HM
last-modified: 2023-09-05T02:17:10Z
source: APNIC
role: ABUSE OPTIXPK
country: ZZ
address: 1D-203, Sector 30, Korangi Industrial Area,, Karachi Sindh
phone: +000000000
e-mail: [email protected]
admin-c: OPPL2-AP
tech-c: OPPL2-AP
nic-hdl: AO203-AP
remarks: Generated from irt object IRT-OPTIX-PK
remarks: [email protected] is invalid
abuse-mailbox: [email protected]
mnt-by: APNIC-ABUSE
last-modified: 2026-03-04T13:10:02Z
source: APNIC
role: Optix Pakistan Pvt Limited administrator
address: 1D-203, Sector 30, Korangi Industrial Area,, Karachi Sindh
country: PK
phone: +92-345-2009058
fax-no: +92-345-2009058
e-mail: [email protected]
admin-c: OPPL2-AP
tech-c: OPPL2-AP
nic-hdl: OPPL2-AP
mnt-by: MAINT-OPTIX-PK
last-modified: 2017-02-17T14:32:37Z
source: APNIC
% Information related to '103.86.55.0/24AS136384'
route: 103.86.55.0/24
descr: Optix Route Object
origin: AS136384
mnt-by: MAINT-OPTIX-PK
last-modified: 2017-02-23T14:50:37Z
source: APNIC
% Information related to '103.86.55.0/24AS9260'
route: 103.86.55.0/24
descr: Optix Route Object - AS9260
origin: AS9260
mnt-by: MAINT-OPTIX-PK
last-modified: 2017-02-24T07:59:48Z
source: APNIC
% This query was served by the APNIC Whois Service version 1.88.48 (WHOIS-UK2)
Related domain names
Domains mentioned in the reverse DNS and the WHOIS of 103.86.55.2.
What is an IP address?
An IP address is a unique identifier on the internet that identifies a server or an internet user. Here the IP address is 103.86.55.2: it may be the unique address used to reach a website, or the unique address of an internet user.
An SMTP server (a server used to send e-mails) must have a reverse DNS record associated with its IP address