Data as of Nov 7, 2026
156.17.204.0/24
No anonymizer space · no proxy exits in 30 days4 Military Clinical Hospital with Polyclinic Independent Public Health Care Facility in Wroclaw · space held by Wroclaw Centre of Networking and Supercomputing
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 156.17.0.0/16 since May 2005 | AS8970 | Business | 182 4 always on | Wroclaw Centre of Networking and Supercomputing |
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 |
|---|---|---|---|---|---|---|
| 156.17.0.0/16 | 65,536 | WASK | Wroclaw Centre of Networking and Supercomputing (ORG-WCON1-RIPE) · PL | LEGACY | May 20, 2002 | abuse@ |
| └ 156.17.204.0/24 | 256 | WSK4_ | 4 Military Clinical Hospital with Polyclinic Independent Public Health Care Facility in Wroclaw (ORG-WSK6-RIPE) · PL | LEGACY | Jun 19, 2025 | abuse@ |
Network & registry
Registry
Holder
- Organization
- Wroclaw Centre of Networking and Supercomputing
- Handle
- ORG-WCON1-RIPE
- Range
- 156.
17. 0. 0/ 16 - Registration type
- LEGACY
- Record created
- May 20, 2002
- Legacy
- yes
Origin network
AS209619
PL
- Name
- 4 Military Clinical Hospital with Polyclinic Independent Public Health Care Facility in Wroclaw
- Type
- Business
- Registered
- Jun 20, 2025
- Domain
- 4wsk.pl
- Industry
- Computer and Information Technology
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Jun 2025
- Current origin since
- Jun 2025 · 1.4 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 156.17.204.0/24 | AS209619 | /24 | RIPE | RPKI valid |
| 156.17.0.0/16 | AS8970 | /16 | RIPE | Another network |
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS209619 | RIPE | AS8970-MNT | Jun 23, 2025 |
Whois
Registration for this announcement
- Range
- 156.
17. 204. 0/ 24 - Netname
- WSK4_
Wro - Registrant
- 4 Military Clinical Hospital with Polyclinic Independent Public Health Care Facility in Wroclaw
- Registrant country
- PL
- Organization
- 4 Military Clinical Hospital with Polyclinic Independent Public Health Care Facility in Wroclaw (ORG-WSK6-RIPE)
- Org country
- PL
- Type
- LEGACY
- Created
- Jun 19, 2025
- Updated
- Jun 23, 2025
- Maintainer
- AS8970-MNT
- RIR
- RIPE NCC
- Country
- PL
- Delegated
- Nov 1, 1991
- Status
- assigned
Report abuse
Abuse contact
- abuse@
4wsk. pl - Name
- 4WSK Abuse Response Team
- Handle
- ART85-RIPE