$ query “AS201727” --type=asn → 1 result(s)
AS201727 · AS-BUBAKOV
Blond & Brown s.r.o.
AS201727 is run by Blond & Brown s.r.o. and is an enterprise access provider, based in Czechia since 2014. The system announces 2 048 IPv4 addresses, and supports IPv6. Its primary geographic footprint is in Czechia.
Basic Information
- Country
- 🇨🇿 Czechia
- Category
- Business
- Network Role
- Access Provider
- Data Origin
- Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
- Registered
- August 01, 2014
- Last Changed
- September 01, 2026
- Last Seen
- September 04, 2026 (active)
Prefix Summary
- IPv4 Prefixes (raw / aggregated)
- 2 / 2
- IPv6 Prefixes (raw / aggregated)
- 1 / 1
- IPv4 Addresses
- 2 048
- Largest IPv4 Prefix
- /22 (1 024 addresses)
- Largest IPv6 Prefix
- /40
- Geolocated Countries
- 🇨🇿 Czechia (4 096 IPs)
- Prefix Changed
- June 25, 2026
Reputation
- Reputation
- Pristine — 0 flagged IPs
Connectivity Summary
- Upstream Providers
- 1 upstream providing transit
- Downstream Customers
- 1 downstream buying transit
- Unclassified
- 1 unclassified BGP neighbor
- Degree
- 3 unique BGP neighbors
- Reach
- 1 network in customer cone
Upstream Providers (1)
- AS15935 — HA-VEL-LOCAL-AS
Prefix Lists
IPv4 Prefixes (2 total)
- 45.140.240.0/22 (1 024 addresses (/22 prefix))
- 185.64.40.0/22 (1 024 addresses (/22 prefix))
IPv6 Prefixes (1 total)
- 2a03:1160::/40