$ query “AS208663” --type=asn → 1 result(s)
AS208663 · MTU-NET
Martin Ph. D. Pustka
AS208663 is owned by Martin Ph. D. Pustka and is an enterprise stub network, established in Czechia in 2019. The system announces 1 024 IPv4 addresses, and supports IPv6. The bulk of its IP address space is in Czechia.
Basic Information
- Country
- 🇨🇿 Czechia
- Category
- Business
- Network Role
- Stub Network
- Data Origin
- Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
- Registered
- June 26, 2019
- Last Changed
- April 14, 2026
- Last Seen
- May 20, 2026 (active)
Prefix Summary
- IPv4 Prefixes (raw / aggregated)
- 1 / 1
- IPv6 Prefixes (raw / aggregated)
- 1 / 1
- IPv4 Addresses
- 1 024
- Largest IPv4 Prefix
- /22 (1 024 addresses)
- Largest IPv6 Prefix
- /29
- Geolocated Countries
- 🇨🇿 Czechia (2 048 IPs)
- Prefix Changed
- April 14, 2026
Reputation
- Reputation
- Pristine — 0 flagged IPs
Connectivity Summary
- Upstream Providers
- 2 upstreams providing transit
- Degree
- 2 unique BGP neighbors
- Reach
- 0 networks in customer cone
Upstream Providers (2)
Prefix Lists
IPv4 Prefixes (1 total)
- 45.91.0.0/22 (1 024 addresses (/22 prefix))
IPv6 Prefixes (1 total)
- 2a0e:840::/29