Data as of Nov 12, 2026
217.23.243.0/24
No anonymizer space · no proxy exits in 30 daysUpc Broadband Slovakia s.r.o.
Announced by
Type
Residential
Risk
30 / 100 · Medium
Recently moved
Recent change
New origin Nov 3, 2026
from AS6830 Liberty Global Europe Holding B.V.
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 217.23.240.0/20 since Nov 3, 2026 | AS213609 | Residential | 1 | Upc Broadband Slovakia 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 |
|---|---|---|---|---|---|---|
| 217.23.240.0/20 | 4,096 | SK-UPC-20030311 | Upc Broadband Slovakia s.r.o. (ORG-USS1-RIPE) · SK | ALLOCATED PA | Mar 11, 2003 | isg@ |
| └ 217.23.243.0/24 | 256 | UPC-SK-IT | UPC Slovakia | ASSIGNED PA | Feb 9, 2015 | isg@ via SK-UPC-20030311 |
A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.
Network & registry
Announced by
Covering announcement 217.23.240.0/21
- Prefix
- 217.23.240.0/21
- Announced by
- AS213609 Upc Broadband Slovakia s.r.o.
- Type
- Residential
- Proxy exits
- 1
- RPKI
- RPKI valid
- Netname
- SK-UPC-20030311
- Registrant
- Upc Broadband Slovakia s.r.o.
- RIR
- RIPE NCC
Origin network
AS213609
SK
- Name
- Upc Broadband Slovakia s.r.o.
- Type
- Internet provider
- Registered
- Jan 10, 2025
- Domain
- upc.sk
- Industry
- Satellite Communication
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
217.23.240.0/21
Routing history
- Pattern
- Rotating
- First seen
- Aug 2005
- Current origin since
- Nov 3, 2026 · under a month
- Origin networks
- 2
- Last change of origin
- Nov 3, 2026
Recorded history
History
- Handoffs
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 217.23.240.0/21 | AS213609 | /21 | RIPE | RPKI valid |
| 217.23.240.0/20 | AS213609 | /20 | RIPE | Too specific |
IRR
Route objects on 217.23.240.0/21
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS213609 | RIPE | UPC-SK-MNT | Oct 20, 2026 |
Whois
Registration for this announcement
- Range
- 217.
23. 240. 0/ 20 - Netname
- SK-UPC-20030311
- Registrant
- Upc Broadband Slovakia s.r.o.
- Registrant country
- SK
- Organization
- Upc Broadband Slovakia s.r.o. (ORG-USS1-RIPE)
- Org country
- SK
- Type
- ALLOCATED PA
- Created
- Mar 11, 2003
- Updated
- Oct 9, 2026
- Maintainer
- RIPE-NCC-HM-MNT
- RIR
- RIPE NCC
- Country
- SK
- Delegated
- Mar 11, 2003
- Status
- assigned
Report abuse
Abuse contact
- isg@
upc. sk - Name
- UPC Slovakia Abuse
- Handle
- USA15-RIPE