Data as of Nov 8, 2026
193.138.152.0/24
No anonymizer space · no proxy exits in 30 daysISP Alliance a.s.
Network & registry
Announced by
Covering announcement 193.138.152.0/22
- Prefix
- 193.138.152.0/22
- Announced by
- AS197393 ISP Alliance a.s.
- Type
- Residential
- Proxy exits
- 16
- Always-on exits
- 3
- RPKI
- RPKI valid
- Netname
- CZ-GRAPESC-20101112
- Registrant
- ISP Alliance a.s.
- RIR
- RIPE NCC
Origin network
AS197393
CZ
- Name
- ISP Alliance a.s.
- Type
- Internet provider
- Registered
- Nov 15, 2010
- Domain
- ispalliance.cz
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced 193.138.152.0/22
193.138.152.0/22
Routing history
- Pattern
- Stable
- First seen
- May 2005
- Current origin since
- Jun 2011 · 15 yr
- Origin networks
- 2
- Last change of origin
- Jun 2011
Recorded history
History
- Handoffs
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 193.138.152.0/22 | AS197393 | /22 | RIPE | RPKI valid |
IRR
Route objects on 193.138.152.0/22
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS197393 | RIPE | RudolfNetroute | RUDOLF-MNT | Jan 7, 2011 |
Whois
Registration for this announcement
- Range
- 193.
138. 152. 0/ 22 - Netname
- CZ-GRAPESC-20101112
- Registrant
- ISP Alliance a.s.
- Registrant country
- CZ
- Organization
- ISP Alliance a.s. (ORG-GSA22-RIPE)
- Org country
- CZ
- Type
- ALLOCATED PA
- Created
- Apr 16, 2025
- Updated
- Apr 16, 2025
- Maintainer
- MNT-GRAPESC
- RIR
- RIPE NCC
- Country
- CZ
- Delegated
- Nov 12, 2010
- Status
- assigned
Report abuse
Abuse contact
- abuse@
ispalliance. cz - Name
- ISPalliance Abuse
- Handle
- IA3261-RIPE