Data as of Nov 7, 2026
217.23.248.0/21
No anonymizer space · no proxy exits in 30 daysUpc Broadband Slovakia s.r.o.
Announcement
this exact prefix
RPKI valid
Announced by
Type
Residential
98% of it
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 the announcement: those covering it, widest first, then every record inside it, 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@ |
| └ 217.23.248.0/24 | 256 | UPC-SK-INFRA | UPC Slovakia | ASSIGNED PA | Feb 9, 2015 | isg@ via SK-UPC-20030311 |
| └ 217.23.249.0/27 | 32 | Metro-B2B-backbone | UPC SK Metro B2B backbone | ASSIGNED PA | Feb 5, 2015 | isg@ via SK-UPC-20030311 |
| └ 217. | 1,728 | UPC-SK-INFRA | 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.
Composition
The types across the prefix's announced space, by addresses.
Announced space
Address share
Announced space
Types across the prefix
2,048 addresses
| Type | Addresses | Share | Ranges | |
|---|---|---|---|---|
| Residential | 2,016 | 98% | 2 | |
| Business | 32 | 1.6% | 1 |
Network & registry
Origin network
AS213609
SK
- Name
- Upc Broadband Slovakia s.r.o.
- Type
- Internet provider
- Registered
- Jan 10, 2025
- Industry
- Satellite Communication
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
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 |
|---|---|---|---|---|
| 217.23.248.0/21 | AS213609 | /21 | RIPE | RPKI valid |
| 217.23.240.0/20 | AS213609 | /20 | RIPE | Too specific |
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