Data as of Nov 11, 2026
217.75.211.0/24
No anonymizer space · no proxy exits in 30 daysISP Alliance a.s.
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 |
|---|---|---|---|---|---|---|
| 217.75.208.0/20 | 4,096 | CZ-GRAPESC-20031007 | ISP Alliance a.s. (ORG-GSA22-RIPE) · CZ | ALLOCATED PA | Oct 7, 2003 | abuse@ |
| └ 217. | 1,280 | GRAPESC-NET | GRAPE SC,a.s. (ORG-GS394-RIPE) | ASSIGNED PA | Feb 6, 2019 | hotline@ |
Network & registry
Announced by
Covering announcement 217.75.208.0/20
- Prefix
- 217.75.208.0/20
- Announced by
- AS210712 ISP Alliance a.s.
- Type
- Residential
- Proxy exits
- 156
- Always-on exits
- 19
- RPKI
- RPKI valid
- Netname
- CZ-GRAPESC-20031007
- Registrant
- ISP Alliance a.s.
- RIR
- RIPE NCC
Origin network
AS210712
CZ
- Name
- ISP Alliance a.s.
- Type
- Internet provider
- Registered
- Sep 24, 2021
- Domain
- ispalliance.cz
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced 217.75.208.0/20
217.75.208.0/20
Routing history
- Pattern
- Rotating
- First seen
- May 2005
- Current origin since
- Jan 2026 · 10 mo
- Origin networks
- 3
- Last change of origin
- Jan 2026
Recorded history
History
- Handoffs
- 2
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 217.75.208.0/20 | AS47232 | /32 | RIPE | Another network |
| 217.75.208.0/20 | AS210712 | /24 | RIPE | RPKI valid |
Whois
Registration for this announcement
- Range
- 217.
75. 208. 0/ 20 - Netname
- CZ-GRAPESC-20031007
- Registrant
- ISP Alliance a.s.
- Registrant country
- CZ
- Organization
- ISP Alliance a.s. (ORG-GSA22-RIPE)
- Org country
- CZ
- Type
- ALLOCATED PA
- Created
- Oct 7, 2003
- Updated
- Aug 3, 2023
- Maintainer
- RIPE-NCC-HM-MNT
- RIR
- RIPE NCC
- Country
- CZ
- Delegated
- Oct 7, 2003
- Status
- assigned
Report abuse
Abuse contact
- abuse@
ispalliance. cz - Name
- ISPalliance Abuse
- Handle
- IA3261-RIPE