$ 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)

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