MASS Response Service GmbH

Mass Response Service GmbH
Data as of 2026-07-26
GLEIF verified
LEI
529900HZ66M481PS2B22
Registered name
MASS Response Service GmbH
Jurisdiction
AT
Ultimate parent
No parent on file in GLEIF
Cluster stats
Netblocks40 · 53,043 IPv4 addresses
IPv6 7 prefixes (largest 2a04:9540::/29)
Registered in Austria (37) · South Africa (4) · Switzerland (2) · Netherlands (1) · United Kingdom (1) · Czechia (1)
Cluster ID213307472
RegistryBGP
Owner jurisdictionAT
Customersfind customers using this network →
Evidence & provenance ?
Attribution GLEIF legal-entity match
Legal identityLEI 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

Footprint over time

6 weekly snapshots · JSON
56 +2 netblocks since 2026-07-05
2026-07-05 peak 56 2026-07-26

IP Ranges (40)

⬇ 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
62.240.136.0/24 Mass Response Service GmbH BGP ANNOUNCED ● high
62.240.136.0/21 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
83.216.32.0/20 Mass Response Service GmbH BGP ANNOUNCED ● high
83.216.32.0/19 Mass Response Service GmbH BGP ANNOUNCED ● high
83.216.48.0/20 Mass Response Service GmbH BGP ANNOUNCED ● high
83.216.48.0/21 Mass Response Service GmbH BGP ANNOUNCED ● high
83.216.60.0/22 Mass Response Service GmbH BGP ANNOUNCED ● 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
193.9.252.0/24 Mass Response Service GmbH BGP ANNOUNCED ● high
193.9.252.0/23 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
197.211.186.0/24 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
2a04:9540::/29 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 (7)

CIDR
2a04:9540::/29
2a07:1740::/29
2001:4d78:104:7b::/64
2001:4d78:2031:1e::/64
2001:7f8:30:0:3:1:5:1265/128
2001:7f8:4::c841:1/128
2001:7f8:7f::89/128

Network trust

what's this?
RPKI hygiene: B how networks compare →
92.9% of checked blocks have valid RPKI ROA coverage (52 of 56)
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