$ query “AS51653” --type=asn → 1 result(s)
AS51653 · PRESNET-AS
PRESNET s.r.o.
AS51653 is operated by PRESNET s.r.o. and serves as a stub network, registered in Slovakia since 2010. The system announces 7 424 IPv4 addresses. The bulk of its IP address space is in Slovakia. No IPv6 support — it's 2026, just saying.
Basic Information
- Country
- 🇸🇰 Slovakia
- Network Role
- Stub Network
- Data Origin
- Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
- Registered
- October 14, 2010
- Last Changed
- August 01, 2026
- Last Seen
- August 15, 2026 (active)
Prefix Summary
- IPv4 Prefixes (raw / aggregated)
- 19 / 4
- IPv6 Prefixes (raw / aggregated)
- 0 / 0
- IPv4 Addresses
- 7 424
- Largest IPv4 Prefix
- /20 (4 096 addresses)
- Geolocated Countries
- 🇸🇰 Slovakia (14 592 IPs)
- Prefix Changed
- May 15, 2026
Reputation
- Reputation
- Good — 1 flagged IPs out of 7 424 total (0.01%)
Connectivity Summary
- Upstream Providers
- 3 upstreams providing transit
- Degree
- 3 unique BGP neighbors
- Reach
- 0 networks in customer cone
Upstream Providers (3)
Prefix Lists
IPv4 Prefixes (19 total)
- 178.18.64.0/20 (4 096 addresses (/20 prefix))
- 158.255.248.0/21 (2 048 addresses (/21 prefix))
- 185.139.224.0/22 (1 024 addresses (/22 prefix))
- 194.156.68.0/24 (256 addresses (/24 prefix))