AS12831
Technical University of Gdansk, Academic Computer Center TASK
Reputation · trust score
A transparent 0–100 signal. Every entity starts at a neutral baseline of 65; threat-intel blocklists, exposure, reverse-DNS, routing and allocation each adjust it up or down. Higher is more trustworthy.
- Baseline (neutral) 65
- Academic allocation +6
- Trust score 71 / 100
Experimental · trust-vectors model v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →
AS12831 — global IP footprint
Cities where AS12831 has measurable IPv4 allocation. Click any dot to open that city's page. Size and color scale with IP count.
Top CIDR ranges
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS12831 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.
| Prefix | Announcement samples | Last seen |
|---|---|---|
| 213.192.112.0/20 | 512,706 | 2026-09-13 03:53:59 |
| 213.192.80.0/20 | 508,361 | 2026-09-13 03:54:00 |
| 89.191.160.0/20 | 49,560 | 2026-09-13 03:25:11 |
| 91.194.106.0/23 | 49,417 | 2026-09-13 03:25:11 |
| 194.169.236.0/24 | 38,160 | 2026-09-13 03:25:11 |
| 91.209.116.0/24 | 37,379 | 2026-09-13 03:25:11 |
| 213.192.96.0/20 | 34,759 | 2026-09-13 03:25:11 |
| 213.192.64.0/20 | 33,191 | 2026-09-13 03:25:11 |
| 91.244.248.0/22 | 32,657 | 2026-09-13 03:25:11 |
| 178.217.248.0/21 | 32,524 | 2026-09-13 03:25:11 |
| 91.221.26.0/23 | 32,426 | 2026-09-13 03:25:11 |
| 89.191.176.0/20 | 32,418 | 2026-09-13 03:25:11 |
| 178.217.251.213/32 | 19 | 2026-09-09 15:17:43 |
| 213.192.72.218/32 | 2 | 2026-08-10 12:06:44 |
Frequently Asked Questions
What is AS12831?
AS12831 is an Autonomous System Number assigned to Technical University of Gdansk, Academic Computer Center TASK. An ASN identifies a network that controls a specific set of IP addresses and determines how traffic is routed across the internet via BGP (Border Gateway Protocol).
How many IP addresses does AS12831 announce?
AS12831 announces 27.6K IPv4 addresses distributed across 12 routed CIDR prefixes. The network is registered in Poland.
Who operates AS12831?
AS12831 is operated by Technical University of Gdansk, Academic Computer Center TASK. The organization is based in Poland. You can view all IP ranges and related ASNs on the organization page.
What country is AS12831 registered in?
AS12831 is registered in Poland. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
