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InternetData
IPv4 address

91.203.203.55

An address in Hofkirchen, Bavaria, Germany, announced by synaforce GmbH (AS43503). Of our anonymity, network and service databases, it is in Hosting IP and SMTP IP.

9 of 22 address-keyed databases hold it

Summary
Company
synaforce GmbH
Prefix
91.203.200.0/22
Hostname
mx.elumeo.com
Registered to
synaforce GmbH
Network type
ISP
Abuse contact
noc@hartl-group.de
Anycast
No

Anonymity

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

1 of 8 hold it
Confidence
medium
Last seen
2026-10-18

Ownership

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

5 of 6 hold it
Company
synaforce GmbH
Domain
herbst.de
Type
ISP
Registered in
Germany
AS number
AS43503
Name
synaforce GmbH
Prefix
91.203.200.0/22
RPKI
valid
Type
ISP
Domain
herbst.de
Registered in
Germany
Name
synaforce GmbH
Handle
HER-NET
Organization
ORG-HGG4-RIPE
Status
ASSIGNED PI
Registry
ripe
Domain
hartl-group.de
Name
Abuse-C Role
Address
GERMANY, Hofkirchen, 94544, IT-Zentrum 1
Network
91.203.200.0-91.203.203.255
Hostname
mx.elumeo.com
Not seen inIP RWHOIS

Geolocation

Where the address is, and what that place uses.

2 of 2 hold it
City
Hofkirchen
Region
Bavaria
Postal code
94544
Country
Germany
Continent
Europe
Coordinates
48.6780, 13.1192
Timezone
Europe/Berlin

Network

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

0 of 3 hold it

Services

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

1 of 3 hold it
Port
587
Banner
220 mx.elumeo.com ESMTP MSA MDaemon 26.0.4; Sat, 17 Oct 2026 03:59:55 +0200
Greeting
Completed
First seen
2026-07-26
Last seen
2026-10-15
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