Data as of Nov 3, 2026

83.216.56.0/21

No anonymizer space · no proxy exits in 30 days

Mass Response Service GmbH

Announcement
RPKI valid
Announced by
Type
Mobile

Announcements

Less specific

Covering announcements

PrefixOriginTypeProxy exitsHolderRPKI
83.216.32.0/19
since Jul 2020
AS51265Mobile73Mass Response Service GmbH
More specific

Announcements inside

PrefixOriginTypeHolderRPKI
83.216.60.0/22
since May 2026
AS51265MobileMass Response Service GmbH

Registrations in this block

The registry's network records over this block, widest first, each under its parent.

RangeAddressesNetnameHolderTypeCreatedAbuse contact
83.216.32.0/198,192AT-MASSRESPONSE-20040225Mass Response Service GmbH (ORG-MRSG2-RIPE) · ATALLOCATED PAJul 2, 2020[email protected]
└ 83.216.56.0/212,048MASSRESPONSE-ITunknownASSIGNED PAMay 17, 2022[email protected]
via AT-MASSRESPONSE-20040225

A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.

Network & registry

Announced by

Covering announcement 83.216.48.0/20

Prefix
83.216.48.0/20
Announced by
AS51265 Mass Response Service GmbH
Type
Mobile
Proxy exits
64
RPKI
RPKI valid
Netname
AT-MASSRESPONSE-20040225
Registrant
Mass Response Service GmbH
RIR
RIPE NCC
Origin network

AS51265

AT
Name
Mass Response Service GmbH
Type
Internet provider
Registered
Jul 6, 2010
Domain
massresponse.com
Website
www.massresponse.com
Industry
Internet Service Provider (ISP)
Spamhaus ASN-DROP
not listed