$ query “AS43561” --type=asn → 1 result(s)
AS43561 · NET1-AS
Vivacom Bulgaria EAD
AS43561 is owned by Vivacom Bulgaria EAD and is a residential access provider, registered in Bulgaria since 2007. The system announces 768 IPv4 addresses, and supports IPv6. Its primary geographic footprint is in Bulgaria.
Basic Information
- Country
- 🇧🇬 Bulgaria
- Category
- Internet Service Provider
- Network Role
- Access Provider
- Data Origin
- Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
- Registered
- August 23, 2007
- Last Changed
- May 01, 2026
- Last Seen
- April 30, 2026 (active)
Prefix Summary
- IPv4 Prefixes (raw / aggregated)
- 3 / 3
- IPv6 Prefixes (raw / aggregated)
- 1 / 1
- IPv4 Addresses
- 768
- Largest IPv4 Prefix
- /24 (256 addresses)
- Largest IPv6 Prefix
- /32
- Geolocated Countries
- 🇧🇬 Bulgaria (768 IPs)
- Prefix Changed
- March 04, 2026
Reputation
- Reputation
- Pristine — 0 flagged IPs
Connectivity Summary
- Upstream Providers
- 1 upstream providing transit
- Peers
- 1 network exchanging traffic without transit
- Downstream Customers
- 9 downstreams buying transit
- Degree
- 11 unique BGP neighbors
- Reach
- 9 networks in customer cone
Upstream Providers (1)
- AS8866 — VIVACOM-AS
Prefix Lists
IPv4 Prefixes (3 total)
- 37.157.191.0/24 (256 addresses (/24 prefix))
- 95.87.209.0/24 (256 addresses (/24 prefix))
- 95.87.255.0/24 (256 addresses (/24 prefix))
IPv6 Prefixes (1 total)
- 2a02:1338::/32