Data as of Nov 8, 2026
213.155.187.0/24
No anonymizer space · no proxy exits in 30 daysOpto-Tech Grzegorz Wroblewski · space held by Zachodniopomorski Uniwersytet Technologiczny w Szczecinie, Akademickie Centrum Informatyki
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 213.155.160.0/19 since May 2005 | AS13119 | Business | 50 2 always on | Zachodniopomorski Uniwersytet Technologiczny w Szczecinie, Akademickie Centrum Informatyki |
Network & registry
Announced by
Covering announcement 213.155.186.0/23
- Prefix
- 213.155.186.0/23
- Announced by
- AS211025 Opto-Tech Grzegorz Wroblewski
- Type
- Residential
- RPKI
- RPKI valid
- Netname
- PL-AMSK-20010423
- Registrant
- Zachodniopomorski Uniwersytet Technologiczny w Szczecinie, Akademickie Centrum Informatyki
- RIR
- RIPE NCC
Origin network
AS211025
PL
- Name
- Opto-Tech Grzegorz Wroblewski
- Type
- Internet provider
- Registered
- Jul 16, 2021
- Domain
- opto-tech.pl
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
213.155.186.0/23
Routing history
- Pattern
- Stable
- First seen
- Mar 2022
- Current origin since
- Mar 2022 · 4.6 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 213.155.186.0/23 | AS211025 | /23 | RIPE | RPKI valid |
| 213.155.160.0/19 | AS13119 | /19 | RIPE | Another network |
IRR
Route objects on 213.155.186.0/23
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS211025 | RIPE | ACI-MNT-POLAND | Mar 24, 2022 |
Whois
Registration for this announcement
- Range
- 213.
155. 160. 0/ 19 - Netname
- PL-AMSK-20010423
- Registrant
- Zachodniopomorski Uniwersytet Technologiczny w Szczecinie, Akademickie Centrum Informatyki
- Registrant country
- PL
- Organization
- Zachodniopomorski Uniwersytet Technologiczny w Szczecinie, Akademickie Centrum Informatyki (ORG-AMAN1-RIPE)
- Org country
- PL
- Type
- ALLOCATED PA
- Created
- Not stated by the registry
- Updated
- Feb 15, 2017
- Maintainer
- RIPE-NCC-HM-MNT
- RIR
- RIPE NCC
- Country
- PL
- Delegated
- Apr 23, 2001
- Status
- assigned
Report abuse
Abuse contact
- abuse@
man. szczecin. pl - Name
- Abuse Department
- Handle
- AD10876-RIPE