$ query “AS28952” --type=asn → 1 result(s)
AS28952 · O2BSSK
O2 Business Services a.s
AS28952 is owned by O2 Business Services a.s and is a residential access provider, registered in Slovakia since 2015. The system announces a respectable 43 264 IPv4 addresses, and supports IPv6. Its primary geographic footprint is in Slovakia.
- Top 5% — Top 5% of all autonomous systems by reach and degree
Basic Information
- Country
- 🇸🇰 Slovakia
- Category
- Internet Service Provider
- Network Role
- Access Provider
- Data Origin
- Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
- Registered
- June 08, 2015
- Last Changed
- October 03, 2026
- Last Seen
- October 12, 2026 (active)
Prefix Summary
- IPv4 Prefixes (raw / aggregated)
- 9 / 9
- IPv6 Prefixes (raw / aggregated)
- 2 / 2
- IPv4 Addresses
- 43 264
- Largest IPv4 Prefix
- /19 (8 192 addresses)
- Largest IPv6 Prefix
- /29
- Geolocated Countries
- 🇸🇰 Slovakia (43 264 IPs)
- Prefix Changed
- March 04, 2026
Reputation
- Reputation
- Good — 1 flagged IPs out of 43 264 total (0.00%)
Connectivity Summary
- Upstream Providers
- 4 upstreams providing transit
- Peers
- 27 networks exchanging traffic without transit
- Downstream Customers
- 6 downstreams buying transit
- Unclassified
- 2 unclassified BGP neighbors
- Degree
- 39 unique BGP neighbors
- Reach
- 8 networks in customer cone
Upstream Providers (4)
Prefix Lists
IPv4 Prefixes (9 total)
- 31.3.32.0/19 (8 192 addresses (/19 prefix))
- 37.152.96.0/19 (8 192 addresses (/19 prefix))
- 46.34.224.0/19 (8 192 addresses (/19 prefix))
- 90.176.0.0/19 (8 192 addresses (/19 prefix))
- 37.58.0.0/20 (4 096 addresses (/20 prefix))
- 151.236.224.0/20 (4 096 addresses (/20 prefix))
- 91.191.80.0/22 (1 024 addresses (/22 prefix))
- 185.103.144.0/22 (1 024 addresses (/22 prefix))
- 91.191.69.0/24 (256 addresses (/24 prefix))
IPv6 Prefixes (2 total)
- 2a06:2c40::/29
- 2a03:6947:1800::/40