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InternetData
IPv4 address

91.191.54.201

An address in Bijeljina, Srpska, Bosnia and Herzegovina, announced by DASTO semtel d.o.o. (AS35567). It's a mail server on port 587 and a web server on port 443.

Summary

No VPN, Tor, relay, proxy or hosting

No mobile carrier, anycast or CDN

  • SMTPPort 587
  • WebPort 443

Geolocation

Where the address is, and what that place uses.

City
Bijeljina
Region
Srpska
Postal code
76300
Continent
Europe
Coordinates
44.7587, 19.2144
Timezone
Europe/Sarajevo
Currency
BAM
Name
Marka
Symbol
BAM

Ownership

Who holds the address: the AS announcing it, the registry record, the abuse contact and its name in DNS.

Company
DASTO semtel d.o.o.
Domain
zona.ba
Type
ISP
AS number
AS35567
Name
DASTO semtel d.o.o.
RPKI
Valid
Type
ISP
Domain
zona.ba
Name
BA-ZONA-TREBEVIC-NET
Network name
BA-ZONA-TREBEVIC-NET
Status
ASSIGNED PA
Registry
RIPE NCC
Domain
bosnaauto.ba
Name
DASTO ZONA ROLE
Address
Racanska 98, Bijeljina, BiH
Network
91.191.0.0-91.191.63.255
Hostname
mail.liderfin.ba
Not seen inIP RWHOIS

Anonymity

Whether the address hides someone else: a VPN, Tor, a relay, a proxy pool, or a hosting range.

Network

What kind of network it is on: a mobile carrier, a satellite operator, an anycast service, a CDN edge.

Services

What our own internet-wide measurement found listening on it.

Port
587
Banner
220 mail.liderfin.ba ESMTP Postfix
Greeting
Completed
First seen
2026-08-11
Last seen
2026-11-04
443 status
200
443 server
nginx
443 title
Zimbra Web Client Sign In
443 TLS
TLSv1.3
443 certificate
mail.liderfin.ba
443 issuer
C=US, O=Let's Encrypt, CN=YR1
443 browser-trusted
Yes
443 seen
2026-08-13 to 2026-10-31
00 · Evaluate

Test the real build first.

An evaluation license puts a full current build in your hands, with no sampling, so you can measure it against your own traffic before anyone talks about terms.

01 · License

Then license what you use.

Standard, for detection and decisions inside your own product and operations.
Redistribution, when the data ships onward inside what you sell, priced by scope rather than by seat.
Annual terms, a named contact, and monthly, quarterly or yearly payment.