Autonomous system
AS209619 AS_4WSK 4 Military Clinical Hospital with Polyclinic Independent Public Health Care Facility in Wroclaw
Unclassified RIPE
Summary
4 Military Clinical Hospital with Polyclinic
hospital military healthcare poland
AS_4WSK is held by 4 Military Clinical Hospital with Polyclinic Independent Public Health Care Facility in Wroclaw.
What it's used for
- The space carries internal hospital infrastructure, identified by the netname
WSK4_Wroand registrant4 Military Clinical Hospital with Polyclinic Independent Public Health Care Facility in Wroclaw. - The AS announces a single IPv4 prefix,
156.17.204.0/24, comprising 256 addresses, with 2 observed neighbours. - Traffic from this AS consists of clinical, administrative, and research data for a military medical facility, including support for clinical trials and hospital operations.
Notable
- The RDAP registrant matches the AS holder exactly, confirming direct ownership of the address space.
- The address inventory is a single /24 block, indicating a small, self-contained network without external transit or peering complexity.
This description is AI-generated, best-effort context — not authoritative, and provided without any guarantee of accuracy. Source, and how to suggest an edit.
Interconnection
Peering at a glance
Internet exchanges
Recorded at 1 exchange in 1 country, largest first.
| Exchange | Location | Their address |
|---|---|---|
| KleyReX Internet Exchange | Frankfurt, Germany | 2001:7f8:33::a120:9619:1 |
Exchange presence is recorded rather than inferred: the directory collected by Packet Clearing House (https://www.pch.net/ixp/data) on 2026-11-07, licensed CC BY-NC-SA 3.0. Transit is inferred from observed BGP paths, never declared by either party.
Address space
Summary
IPv4 1 prefixes · 256 addresses IPv6 0 prefixes
| Country | Name | Prefixes |
|---|---|---|
| PL | Poland | 1 |
Registry
Allocation record
- Registry
- RIPE
- Handle
AS209619- Registry name
- AS_4WSK
- Registrant
- AS8970-MNT
- Abuse contact
- abuse@4wsk.pl
- Registered
- 2025-06-20
- Last changed
- 2025-06-20
- Allocation
- allocated
Routing security
RPKI and IRR
- RPKI
- 100% valid · 1 valid, 0 with no ROA
- ROAs
- 1 authorising AS209619
- ASPA
- no ASPA record
- IRR
- 100% registered · 1 of 1 announcements
- Route objects
- 1 naming AS209619
Reputation
Classification and threat
Unclassified Not in the curated lists. Most of the ~80,000 allocated ASNs are not.
Spamhaus DROP
Not on ASN-DROP The network as a whole is not listed.
No DROP prefixes None of its announced space is on the DROP prefix list.
Spamhaus DROP ("Don't Route Or Peer") lists space and networks run by, or hijacked for, spam and cybercrime operations: 454 networks and 1,852 prefixes, as published 2026-11-08. A short, high-confidence list, so a match is worth taking seriously, and absence from it says little on its own.
FBI IC3
No IC3 indicators Nothing from the FBI IC3 feed.
IC3 threat data is alpha. Absence of an indicator is not evidence of good behaviour, only of absence from this one feed.
Elsewhere