Mass Response Service GmbH
AS51265 is Mass Response Service GmbH (massresponse.com). It announces 52,992 IPv4 addresses in 27 prefixes, and 3 IPv6 prefixes.
Austria· RIPE· allocated 2010-07-06· isp
Where its space is
The IPv4 it announces that IP Geolocation places, by country. A /24 counts for the AS announcing most of it.
- Austria43,264 · 81.64%
- Italy4,608 · 8.70%
- United Kingdom2,816 · 5.31%
- Germany1,280 · 2.42%
- Switzerland1,024 · 1.93%
Registry record
Its ASN Whois record, as the registry publishes it.
- handle
- MASSRESPONSE-AS
- name
- Mass Response Service GmbH
- org
- ORG-MRSG2-RIPE
- org name
- Mass Response Service GmbH
- org address
- Donau-City-Straße 7, DC Tower 1, 45 Stock, 1220, Vienna, AUSTRIA
- org country
- AT
- country
- AT
- source
- ripe
- status
- ASSIGNED
- created
- 2010-07-06
- updated
- 2026-06-22
- descr
- Mass Response Service GmbH / DC Tower 1, 38. Stock / Donau-City-Stra�e 7, 1220 Wien / / ====================================================================== / https://www.massresponse.com/ / Abuse issues abuse@massresponse.com / Operational issues noc@massresponse.com / Peering requests noc@massresponse.com / Other info https://www.peeringdb.com/net/12246 / ======================================================================
- remarks
- Upstreams / Colt / Next Layer / Inter.Link / Aristo / IXP / Peering.cz / VIX / LINX (LON1) / Public Peering / ACOnet / Vienna Internet eXchange & ACOnet services / Twitch / Trusted Network / OVHcloud / Microsoft / Hurricane Electric / Meta Platforms Inc / Valve Corporation / Amazon.com / SuperNetwork s.r.o. / i3D.net / Private Peering / Netflix / Meta Platforms Inc / Amazon.com / Google LLC / Akamai Technologies, Inc
- maintainer
- RIPE-NCC-END-MNT|MASSRESPONSE-MNT
- abuse name
- Mass Response abuse handling
- abuse email
- abuse@massresponse.com
- abuse phone
- +43 1 2702825
- abuse kind
- role
What the databases see
Addresses each address-keyed database holds in the IPv4 it announces, as a share of that space, with its largest providers. Counts overlap.
- VPN IP1,687draytek, watchguard3.18%
- Residential Proxy IP1,772anyip, cliproxy, dataimpulse3.34%
- None here
- dataimpulse, floppydata1.33%
- 0.00%
- None here
- Hosting IP10,75220.29%
- None here
- Carrier IP42,240spusu79.71%
- None here
- SSH IP2580.49%
- SMTP IP720.14%
- 0.11%
IPv4 prefixes
Every IPv4 prefix BGP Route saw it announce. A prefix another AS also announces says so.
| PREFIX | COUNTRY | RPKI | PEERS | FIRST SEEN |
|---|---|---|---|---|
| 41.66.64.0/18 | Austria | valid | 17 | 2026-10-02 |
| 62.240.128.0/19 | Austria | valid | 17 | 2026-10-02 |
| 62.240.128.0/22 | Austria | valid | 4 | 2026-10-02 |
| 62.240.132.0/23 | Austria | valid | 4 | 2026-10-02 |
| 62.240.134.0/24 | Austria | valid | 4 | 2026-10-02 |
| 62.240.135.0/24 | Italy | valid | 17 | 2026-10-02 |
| 62.240.136.0/21 | Austria | valid | 4 | 2026-10-02 |
| 62.240.136.0/24 | Austria | valid | 17 | 2026-10-02 |
| 62.240.137.0/24 | Austria | valid | 17 | 2026-10-02 |
| 62.240.144.0/21 | Italy | valid | 17 | 2026-10-02 |
| 62.240.152.0/21 | Austria | valid | 4 | 2026-10-02 |
| 83.216.32.0/19 | Austria | valid | 17 | 2026-10-02 |
| 83.216.32.0/20 | Austria | valid | 17 | 2026-10-02 |
| 83.216.48.0/20 | United Kingdom | valid | 17 | 2026-10-02 |
| 83.216.48.0/21 | United Kingdom | valid | 17 | 2026-10-02 |
| 83.216.60.0/22 | Italy | valid | 17 | 2026-10-02 |
| 176.126.39.0/24 | Austria | valid | 17 | 2026-10-02 |
| 178.157.4.0/22 | Austria | valid | 17 | 2026-10-02 |
| 185.44.52.0/22 | Austria | valid | 17 | 2026-10-02 |
| 185.69.244.0/22 | Austria | valid | 17 | 2026-10-02 |
| 193.9.252.0/23 | Austria | valid | 17 | 2026-10-02 |
| 193.9.252.0/24 | Austria | valid | 17 | 2026-10-02 |
| 193.9.253.0/24 | Austria | valid | 17 | 2026-10-02 |
| 197.211.128.0/18 | Austria | valid | 17 | 2026-10-02 |
| 197.211.185.0/24 | Switzerland | valid | 17 | 2026-10-02 |
| 197.211.186.0/24 | Germany | valid | 17 | 2026-10-02 |
| 197.211.189.0/24 | Italy | valid | 17 | 2026-10-02 |
IPv6 prefixes
Every IPv6 prefix BGP Route saw it announce.
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