Data as of Nov 9, 2026
193.228.174.0/24
1 residential-proxy exit · 30 daysON4 sp. z o.o.
Announcement
this exact prefix
RPKI valid
Announced by
Type
Residential
Risk
30 / 100 · Medium
Recently moved
Recent change
New origin Jun 2026
from AS39330 Arma-San Grupa SBS Spolka Jawna Bartczuk, Kownacki, after 1.6 years unannounced
Residential-proxy exits
Proxy exits
1
0.39% of its addresses · 30 days
Oct 10, 2026 – Nov 8, 2026
Exits seen per day
1 observation
Network & registry
Origin network
AS204961
PL
- Name
- ON4 sp. z o.o.
- Type
- Internet provider
- Registered
- Dec 9, 2025
- Domain
- on4.pl
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Reactivated
- First seen
- Jul 2007
- Current origin since
- Jun 2026 · 5 mo
- Origin networks
- 2
- Last change of origin
- Jun 2026
Recorded history
History
- Handoffs
- 1
Whois
Registration for this announcement
- Range
- 193.
228. 174. 0/ 24 - Netname
- ORG-OSZO48-RIPE
- Registrant
- ON4 sp. z o.o.
- Registrant country
- PL
- Organization
- ON4 sp. z o.o. (ORG-OSZO48-RIPE)
- Org country
- PL
- Type
- ASSIGNED PI
- Created
- May 11, 2026
- Updated
- Jul 31, 2026
- Maintainer
- RIPE-NCC-END-MNT
- RIR
- RIPE NCC
- Country
- PL
- Delegated
- Jul 11, 2007
- Status
- assigned
Report abuse
Abuse contact
- abuse@
on4. pl - Name
- Abuse contact role object
- Handle
- ACRO62676-RIPE