MASS Response Service GmbH
Mass Response Service GmbH
Data as of 2026-10-04
GLEIF verified
LEI
529900HZ66M481PS2B22
Registered name
MASS Response Service GmbH
Jurisdiction
Ultimate parent
No parent on file in GLEIF
This organisation
| Netblocks | 45 · 53,044 IPv4 addresses |
| IPv6 | 10 prefixes (largest 2a04:9540::/29) |
| Registered in | Austria (37) · South Africa (5) · Switzerland (2) · Netherlands (2) · United Kingdom (1) · Czechia (1) |
| Record ID | 245596817 |
| Registry | BGP |
| Owner jurisdiction | AT |
| Customers | see who runs inside this network → |
Evidence & provenance ?
| Attribution | GLEIF legal-entity match |
| Legal identity | LEI 529900HZ66M481PS2B22 |
| Shared handles | clustered on 15 shared RIR contact/maintainer handles |
| Registry names | 7 distinct registrant names across these blocks |
| full provenance (JSON) → · how attribution works · report an issue | |
IP Ranges (45)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 41.66.64.0/18 | Mass Response Service GmbH | BGP | ANNOUNCED | ● high |
| 62.240.128.0/19 | Mass Response Service GmbH | BGP | ANNOUNCED | ● high |
| 62.240.128.0/22 | Mass Response Service GmbH | BGP | ANNOUNCED | ● high |
| 62.240.132.0/23 | Mass Response Service GmbH | BGP | ANNOUNCED | ● high |
| 62.240.134.0/24 | Mass Response Service GmbH | BGP | ANNOUNCED | ● high |
| 62.240.135.0/24 | Mass Response Service GmbH | BGP | ANNOUNCED | ● high |
| 62.240.136.0/21 | Mass Response Service GmbH | BGP | ANNOUNCED | ● high |
| 62.240.136.0/24 | Mass Response Service GmbH | BGP | ANNOUNCED | ● high |
| 62.240.137.0/24 | Mass Response Service GmbH | BGP | ANNOUNCED | ● high |
| 62.240.144.0/21 | Mass Response Service GmbH | BGP | ANNOUNCED | ● high |
| 62.240.152.0/21 | Mass Response Service GmbH | BGP | ANNOUNCED | ● high |
| 83.216.32.0/19 | Mass Response Service GmbH | BGP | ANNOUNCED | ● high |
| 83.216.32.0/20 | Mass Response Service GmbH | BGP | ANNOUNCED | ● high |
| 83.216.48.0/21 | Mass Response Service GmbH | BGP | ANNOUNCED | ● high |
| 83.216.48.0/20 | Mass Response Service GmbH | BGP | ANNOUNCED | ● high |
| 83.216.60.0/22 | Mass Response Service GmbH | BGP | ANNOUNCED | ● high |
| 91.213.211.143/32 | Mass Response / spusu | PEERINGDB | ASSIGNED | ● high |
| 176.126.39.0/24 | Mass Response Service GmbH | BGP | ANNOUNCED | ● high |
| 178.157.4.0/22 | Mass Response Service GmbH | BGP | ANNOUNCED | ● high |
| 185.0.20.89/32 | Mass Response / spusu | PEERINGDB | ASSIGNED | ● high |
| 185.44.52.0/22 | Mass Response Service GmbH | BGP | ANNOUNCED | ● high |
| 185.69.244.0/22 | Mass Response Service GmbH | BGP | ANNOUNCED | ● high |
| 193.9.252.0/23 | Mass Response Service GmbH | BGP | ANNOUNCED | ● high |
| 193.9.252.0/24 | Mass Response Service GmbH | BGP | ANNOUNCED | ● high |
| 193.9.253.0/24 | Mass Response Service GmbH | BGP | ANNOUNCED | ● high |
| 193.203.0.223/32 | Mass Response / spusu | PEERINGDB | ASSIGNED | ● high |
| 195.66.225.126/32 | Mass Response / spusu | PEERINGDB | ASSIGNED | ● high |
| 197.211.128.0/18 | Mass Response Service GmbH | BGP | ANNOUNCED | ● high |
| 197.211.185.0/24 | Mass Response Service GmbH | BGP | ANNOUNCED | ● high |
| 197.211.186.0/24 | Mass Response Service GmbH | BGP | ANNOUNCED | ● high |
| 197.211.189.0/24 | Mass Response Service GmbH | BGP | ANNOUNCED | ● high |
| 2001:7f8:4::c841:1/128 | Mass Response / spusu | PEERINGDB | ASSIGNED | ● high |
| 2001:7f8:30:0:3:1:5:1265/128 | Mass Response / spusu | PEERINGDB | ASSIGNED | ● high |
| 2001:7f8:7f::89/128 | Mass Response / spusu | PEERINGDB | ASSIGNED | ● high |
| 2001:7f8:17e::143/128 | Mass Response / spusu | PEERINGDB | ASSIGNED | ● high |
| 2a04:9540::/30 | Mass Response Service GmbH | BGP | ANNOUNCED | ● high |
| 2a04:9540::/29 | Mass Response Service GmbH | BGP | ANNOUNCED | ● high |
| 2a04:9544::/30 | Mass Response Service GmbH | BGP | ANNOUNCED | ● high |
| 2a07:1740::/29 | Mass Response Service GmbH | BGP | ANNOUNCED | ● high |
| 85.90.232.44/30 | MASS_RESPONSE_SERVICE_GMBH | RIPE | ASSIGNED PA | ● low |
| 178.250.60.204/30 | MASS_RESPONSE | RIPE | ASSIGNED PA | ● low |
| 185.112.199.0/27 | MASS-MAILING1 | RIPE | ASSIGNED PA | ● low |
| 194.230.85.56/29 | MASS-RESPONSE-NET | RIPE | ASSIGNED PA | ● low |
| 2001:4d78:104:7b::/64 | MASS_RESPONSE_SERVICE_GMBH | RIPE | ASSIGNED | ● low |
| 2001:4d78:2031:1e::/64 | MASS_RESPONSE | RIPE | ASSIGNED | ● low |
IPv6 ranges (10)
Footprint over time
15 weekly snapshots · JSON
61
+7 netblocks since 2026-07-05
2026-07-05
peak 61
2026-10-04
Domains this organisation publishes
what's this?Network trust
what's this?
RPKI hygiene: B
how networks compare →
90.2%
of checked blocks have valid RPKI ROA coverage
(55 of 61)
No discrepancies found among checked blocks.
NIC Handles
AS33992
AS51265
AS51265
AS6730-MNT
DUMY-RIPE
DUMY-RIPE
EQUINIX-FULFIL-MNT
EQUINIX-MNT
MASSRESPONSE-MNT
MASSRESPONSE-MNT
MR-BCS-MNT
NETISON-MNT
+3 more