Data as of Nov 10, 2026
153.19.231.0/24
1 residential-proxy exit · 30 daysTechnical University of Gdansk, Academic Computer Center TASK
Residential-proxy exits
Proxy exits
1
0.39% of its addresses · 30 days
Providers
3
selling exits here
Oct 11, 2026 – Nov 9, 2026
Exits seen per day
13 observations
Proxy providers listing exits
- FastProxy
- LemonBright
- ThunderProxy
Registrations in this block
The registry's network records over this block, widest first, each under its parent.
| Range | Addresses | Netname | Holder | Type | Created | Abuse contact |
|---|---|---|---|---|---|---|
| 153.19.0.0/16 | 65,536 | PL-TASK | Technical University of Gdansk, Academic Computer Center TASK (ORG-TUOG1-RIPE) · PL | LEGACY | — | abuse@ |
| └ 153.19.228.0/22 | 1,024 | TASK-DS-AMG | TASK Academic Computer Network | LEGACY | Dec 1, 2008 | abuse@ via PL-TASK |
A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.
Network & registry
Announced by
Covering announcement 153.19.0.0/16
- Prefix
- 153.19.0.0/16
- Announced by
- AS5550 Technical University of Gdansk, Academic Computer Center TASK
- Type
- Business
- Proxy exits
- 215
- Always-on exits
- 5
- RPKI
- RPKI valid
- Netname
- PL-TASK
- Registrant
- Technical University of Gdansk, Academic Computer Center TASK
- RIR
- RIPE NCC
Origin network
AS5550
PL
- Name
- Technical University of Gdansk, Academic Computer Center TASK
- Type
- Education
- Registered
- Oct 21, 1997
- Domain
- gda.pl
- Website
- task.gda.pl/
- Industry
- Colleges, Universities, and Professional Schools
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced 153.19.0.0/16
153.19.0.0/16
Routing history
- Pattern
- Stable
- First seen
- May 2005
- Current origin since
- May 2005 · 22 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 153.19.0.0/16 | AS5550 | /16 | RIPE | RPKI valid |
IRR
Route objects on 153.19.0.0/16
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS5550 | RIPE | PL-GDANSK | AS5550-MNT | Feb 26, 2025 |
Whois
Registration for this announcement
- Range
- 153.
19. 0. 0/ 16 - Netname
- PL-TASK
- Registrant
- Technical University of Gdansk, Academic Computer Center TASK
- Registrant country
- PL
- Organization
- Technical University of Gdansk, Academic Computer Center TASK (ORG-TUOG1-RIPE)
- Org country
- PL
- Type
- LEGACY
- Created
- Not stated by the registry
- Updated
- Apr 14, 2016
- Maintainer
- RIPE-NCC-LEGACY-MNT
- RIR
- RIPE NCC
- Country
- PL
- Delegated
- Sep 23, 1991
- Status
- assigned
Report abuse
Abuse contact
- abuse@
task. gda. pl - Name
- Academic Computer Center TASK
- Handle
- TASK2-RIPE