$ query “AS8501” --type=asn → 1 result(s)
AS8501 · PIONIER-AS
Institute of Bioorganic Chemistry Polish Academy of Science Poznan Supercomputing and Networking Center
AS8501 is owned by Institute of Bioorganic Chemistry Polish Academy of Science… and is a mid-size transit provider, registered in Poland since 2002. The system announces 1 792 IPv4 addresses, and supports IPv6. The bulk of its IP address space is in Poland.
Basic Information
- Country
- 🇵🇱 Poland
- Category
- Education/Research
- Network Role
- Mid-size Transit
- Data Origin
- Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
- Registered
- September 06, 2002
- Last Changed
- March 04, 2026
- Last Seen
- June 22, 2026 (active)
Prefix Summary
- IPv4 Prefixes (raw / aggregated)
- 7 / 5
- IPv6 Prefixes (raw / aggregated)
- 1 / 1
- IPv4 Addresses
- 1 792
- Largest IPv4 Prefix
- /23 (512 addresses)
- Largest IPv6 Prefix
- /35
- Geolocated Countries
- 🇵🇱 Poland (1 792 IPs)
- Prefix Changed
- March 25, 2026
Reputation
- Reputation
- Pristine — 0 flagged IPs
Connectivity Summary
- Upstream Providers
- 6 upstreams providing transit
- Peers
- 4 networks exchanging traffic without transit
- Downstream Customers
- 24 downstreams buying transit
- Degree
- 34 unique BGP neighbors
- Reach
- 188 networks in customer cone
Upstream Providers (6)
Prefix Lists
IPv4 Prefixes (7 total)
- 212.191.224.0/23 (512 addresses (/23 prefix))
- 212.191.240.0/23 (512 addresses (/23 prefix))
- 212.191.227.0/24 (256 addresses (/24 prefix))
- 212.191.229.0/24 (256 addresses (/24 prefix))
- 212.191.244.0/24 (256 addresses (/24 prefix))
IPv6 Prefixes (1 total)
- 2001:b10:c000::/35