$ query “AS12831” --type=asn → 1 result(s)
AS12831 — TASK-AS
Technical University of Gdansk Academic Computer Center TASK
AS12831 is a mid-size transit provider registered to Technical University of Gdansk Academic Computer Center TASK, based in Poland. The network announces a respectable 29 184 IPv4 addresses. Supports IPv6.
Basic Information
- Country
- 🇵🇱 Poland
- Category
- Education/Research
- Network Role
- Mid-size Transit
- Data Origin
- Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
- Last Changed
- March 04, 2026
- Last Seen
- March 05, 2026
Prefix Summary
- IPv4 Prefixes (raw / aggregated)
- 12 / 8
- IPv6 Prefixes (raw / aggregated)
- 1 / 1
- IPv4 Addresses
- 29 184
- Largest IPv4 Prefix
- /18 (16 384 addresses)
- Largest IPv6 Prefix
- /33
- Geolocated Countries
- 🇵🇱 PL (15 IPs)
- Prefix Changed
- March 04, 2026
Reputation
- Reputation
- Pristine — 0 flagged IPs out of 29 184 total (0.00%)
Connectivity Summary
- Upstream Providers
- 2 upstream autonomous systems providing transit
- Peers
- 1 autonomous systems exchanging traffic without transit fees
- Downstream Customers
- 29 downstream autonomous systems buying transit
- Degree
- 32 unique BGP neighbors (providers + customers + peers)
- Reach
- 39 — customer cone size measuring network influence
- Degree Rank
- #4 396
- Reach Rank
- #1 656
Upstream Providers (2)
Prefix Lists
IPv4 Prefixes (12 total)
- 213.192.64.0/18 (16 384 addresses)
- 89.191.160.0/19 (8 192 addresses)
- 178.217.248.0/21 (2 048 addresses)
- 91.244.248.0/22 (1 024 addresses)
- 91.194.106.0/23 (512 addresses)
- 91.221.26.0/23 (512 addresses)
- 91.209.116.0/24 (256 addresses)
- 194.169.236.0/24 (256 addresses)
IPv6 Prefixes (1 total)
- 2001:4070:8000::/33