Data as of Nov 9, 2026
37.140.220.32/27
No anonymizer space · no proxy exits in 30 daysMasterDC s.r.o. · space held by ProfiSMS s.r.o.
Registrations in this block
The registry's network records over this block, widest first, each under its parent.
| Range | Addresses | Netname | Holder | Type | Created | Abuse contact |
|---|---|---|---|---|---|---|
| 37.140.220.0/24 | 256 | CZ-PROFISMS-20210803 | ProfiSMS s.r.o. (ORG-PS428-RIPE) · CZ | ALLOCATED PA | Aug 3, 2021 | info@ |
| └ 37.140.220.32/27 | 32 | axima-net-1 | AXIMA SMS SERVICES s.r.o. (ORG-ASSS7-RIPE) | ASSIGNED PA | Aug 4, 2021 | admin@ |
Network & registry
Announced by
Covering announcement 37.140.220.0/24
- Prefix
- 37.140.220.0/24
- Announced by
- AS24971 MasterDC s.r.o.
- Type
- Hosting
- RPKI
- RPKI valid
- Netname
- CZ-PROFISMS-20210803
- Registrant
- ProfiSMS s.r.o.
- RIR
- RIPE NCC
Origin network
AS24971
CZ
- Name
- MasterDC s.r.o.
- Type
- Hosting
- Registered
- Jun 11, 2002
- Domain
- master.cz
- Website
- www.master.cz
- Industry
- Hosting and Cloud Provider
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced 37.140.220.0/24
37.140.220.0/24
Routing history
- Pattern
- Stable
- First seen
- Aug 2021
- Current origin since
- Aug 2021 · 5.2 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 37.140.220.0/24 | AS24971 | /24 | RIPE | RPKI valid |
Whois
Registration for this announcement
- Range
- 37.
140. 220. 0/ 24 - Netname
- CZ-PROFISMS-20210803
- Registrant
- ProfiSMS s.r.o.
- Registrant country
- CZ
- Organization
- ProfiSMS s.r.o. (ORG-PS428-RIPE)
- Org country
- CZ
- Type
- ALLOCATED PA
- Created
- Aug 3, 2021
- Updated
- Jun 30, 2025
- Maintainer
- lir-cz-profisms-1-MNT
- RIR
- RIPE NCC
- Country
- CZ
- Delegated
- Aug 3, 2021
- Status
- assigned
Report abuse
Abuse contact
- info@
profisms. cz - Name
- Abuse-C Role
- Handle
- AR63832-RIPE