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Organization

Mass Response Service GmbH

IPv4 addresses
52,992
CIDR ranges
9
Category
unknown
BGP prefixes announced
26

Reputation · trust score

A transparent 0–100 signal. Every entity starts at a neutral baseline of 65; threat-intel blocklists, exposure, reverse-DNS, routing and allocation each adjust it up or down. Higher is more trustworthy.

65/100
Moderate
How this score is built

Experimental · trust-vectors model v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →

Mass Response Service GmbH — global IP footprint

Cities where Mass Response Service GmbH has measurable IPv4 allocation. Click any dot to open that city's page. Size and color scale with IP count.

Countries served by Mass Response Service GmbH

Every country where this organization has IPv4 allocations, ranked by IPs held.

ASNs owned by Mass Response Service GmbH

ASNNameIPsPrefixesCountry
AS51265 Mass Response Service GmbH 53.0K 9 AT

Largest CIDR ranges

CIDRIPsPTR DensityASNCountryStateCity
41.66.64.0/18 16.4K
98.5%
AS51265 ZA
197.211.128.0/18 16.4K
1.6%
AS51265 ZA
62.240.128.0/19 8.2K
4.8%
AS51265 AT State of Vienna Vienna
83.216.32.0/19 8.2K
21.9%
AS51265 AT
197.211.128.0/19 8.2K
0.0%
AS51265 AT State of Vienna Vienna
197.211.160.0/20 4.1K
0.0%
AS51265 AT
62.240.136.0/21 2.0K
0.0%
AS51265 AT State of Vienna Vienna
62.240.144.0/21 2.0K
0.0%
AS51265 IT Lombardy Milan
62.240.152.0/21 2.0K
0.0%
AS51265 AT State of Vienna Vienna
83.216.48.0/21 2.0K
0.0%
AS51265 GB England City of Westminster
83.216.56.0/21 2.0K
0.0%
AS51265 IT Lombardy Milan
197.211.176.0/21 2.0K
0.0%
AS51265 AT State of Vienna Vienna
62.240.128.0/22 1.0K
0.0%
AS51265 AT State of Vienna Vienna
83.216.36.0/22 1.0K
0.0%
AS51265 AT State of Vienna Vienna
83.216.44.0/22 1.0K
0.0%
AS51265 AT State of Vienna Vienna
178.157.4.0/22 1.0K
2.4%
AS51265 AT State of Vienna Vienna
185.44.52.0/22 1.0K
9.9%
AS51265 AT State of Vienna Vienna
185.69.244.0/22 1.0K
100.0%
AS51265 AT State of Vienna Vienna
62.240.132.0/23 512
0.0%
AS51265 AT State of Vienna Vienna
83.216.32.0/23 512
0.0%
AS51265 AT State of Vienna Vienna
83.216.34.0/23 512
0.0%
AS51265 DE Hesse Frankfurt am Main
83.216.40.0/23 512
0.0%
AS51265 GB England City of London
83.216.42.0/23 512
0.0%
AS51265 CH Zurich Zurich
193.9.252.0/23 512
17.2%
AS51265 AT State of Vienna Vienna
62.240.134.0/24 256
0.0%
AS51265 AT State of Vienna Vienna
62.240.135.0/24 256
0.0%
AS51265 IT
176.126.39.0/24 256
23.4%
AS51265 AT State of Vienna Vienna
197.211.184.0/24 256
0.0%
AS51265 AT State of Vienna Vienna
197.211.185.0/24 256
0.0%
AS51265 CH Zurich Zurich
197.211.186.0/24 256
0.0%
AS51265 DE
197.211.187.0/24 256
0.0%
AS51265 AT
197.211.188.0/24 256
0.0%
AS51265 DE Hesse Frankfurt am Main
197.211.189.0/24 256
0.0%
AS51265 IT Lombardy Milan
197.211.190.0/24 256
0.0%
AS51265 GB England City of London
197.211.191.0/24 256
0.0%
AS51265 CH Zurich Zurich

Frequently Asked Questions

How many IP addresses does Mass Response Service GmbH own?

Mass Response Service GmbH controls 53.0K IPv4 addresses distributed across 9 CIDR ranges. The organization is registered in Austria.

What ASNs does Mass Response Service GmbH operate?

Mass Response Service GmbH operates 1 Autonomous System. Each ASN represents an independently routed network that Mass Response Service GmbH manages for internet traffic delivery.

What type of organization is Mass Response Service GmbH?

Mass Response Service GmbH is categorized as unknown. This classification is based on the organization's primary use of its IP address allocations.

Last updated: 2026-07-28 15:10:31 UTC
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