$ query “AS43205” --type=asn → 1 result(s)

AS43205 · BULSATCOM-BG-AS

Vivacom Bulgaria EAD

AS43205 belongs to Vivacom Bulgaria EAD and is a residential access provider, based in Bulgaria since 2007. The system announces a solid 254 208 IPv4 addresses, and supports IPv6. Its primary geographic footprint is in Bulgaria.

  • Top 5% — Top 5% of all autonomous systems by reach and degree
  • #4 in Bulgaria — Top 10 by reach within country

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
June 26, 2007
Last Changed
May 01, 2026
Last Seen
May 18, 2026 (active)

Prefix Summary

IPv4 Prefixes (raw / aggregated)
15 / 14
IPv6 Prefixes (raw / aggregated)
1 / 1
IPv4 Addresses
254 208
Largest IPv4 Prefix
/17 (32 768 addresses)
Largest IPv6 Prefix
/32
Geolocated Countries
🇧🇬 Bulgaria (508 160 IPs)
Prefix Changed
April 22, 2026

Reputation

Reputation
Pristine — 0 flagged IPs

Connectivity Summary

Upstream Providers
6 upstreams providing transit
Peers
94 networks exchanging traffic without transit
Downstream Customers
4 downstreams buying transit
Unclassified
3 unclassified BGP neighbors
Degree
107 unique BGP neighbors
Reach
34 210 networks in customer cone

Upstream Providers (6)

  • AS3356 — LEVEL3 (Tier-1 transit)
  • AS9002 — RETN-AS
  • AS57304 — RETNRU-AS
  • AS5511 — OPENTRANSIT (Tier-1 transit)
  • AS12956 — TELXIUS (Tier-1 transit)
  • AS59900 — BALKAN-INTERNET-EXCHANGE (Tier-1 transit)

Prefix Lists

IPv4 Prefixes (15 total)

  • 91.139.128.0/17 (32 768 addresses (/17 prefix))
  • 188.254.128.0/17 (32 768 addresses (/17 prefix))
  • 178.169.128.0/17 (32 768 addresses (/17 prefix))
  • 93.155.128.0/17 (32 768 addresses (/17 prefix))
  • 109.121.192.0/18 (16 384 addresses (/18 prefix))
  • 46.237.64.0/18 (16 384 addresses (/18 prefix))
  • 37.143.192.0/18 (16 384 addresses (/18 prefix))
  • 158.58.192.0/18 (16 384 addresses (/18 prefix))
  • 46.47.64.0/18 (16 384 addresses (/18 prefix))
  • 46.40.64.0/18 (16 384 addresses (/18 prefix))
  • 212.43.32.0/19 (8 192 addresses (/19 prefix))
  • 212.75.0.0/19 (8 192 addresses (/19 prefix))
  • 213.214.64.0/19 (8 192 addresses (/19 prefix))
  • 185.4.80.0/24 (256 addresses (/24 prefix))

IPv6 Prefixes (1 total)

  • 2a02:6800::/32