Data as of Nov 7, 2026
193.9.252.0/24
No anonymizer space · no proxy exits in 30 daysMass Response Service GmbH
Announcement
this exact prefix
RPKI valid
Announced by
Type
Mobile
Risk
10 / 100 · Low
Shared address
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 193.9.252.0/23 since Nov 2017 | AS51265 | Mobile | Mass Response Service GmbH |
Network & registry
Origin network
AS51265
AT
- Name
- Mass Response Service GmbH
- Type
- Internet provider
- Registered
- Jul 6, 2010
- Domain
- massresponse.com
- Website
- www.massresponse.com
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Apr 2011
- Current origin since
- Apr 2011 · 16 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 193.9.252.0/24 | AS51265 | /24 | RIPE | RPKI valid |
| 193.9.252.0/23 | AS51265 | /24 | RIPE | RPKI valid |
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS51265 | RIPE | Mass Response Service GmbH | MASSRESPONSE-MNT | Jun 22, 2026 |
Whois
Registration for this announcement
- Range
- 193.
9. 252. 0/ 23 - Netname
- MRS-NET
- Registrant
- Mass Response Service GmbH
- Registrant country
- AT
- Organization
- Mass Response Service GmbH (ORG-MRSG2-RIPE)
- Org country
- AT
- Type
- ASSIGNED PI
- Created
- Mar 29, 2011
- Updated
- Jan 16, 2023
- Maintainer
- RIPE-NCC-END-MNT
- RIR
- RIPE NCC
- Country
- AT
- Delegated
- Mar 29, 2011
- Status
- assigned
Report abuse
Abuse contact
- abuse@
massresponse. com - Name
- Mass Response abuse handling
- Handle
- MR17726-RIPE