$ query “AS43205” --type=asn → 1 result(s)
AS43205 — BULSATCOM-BG-AS
Vivacom Bulgaria EAD
AS43205 is a mid-size transit provider operated by Vivacom Bulgaria EAD, established in Bulgaria in 2007. The network announces a solid 254 976 IPv4 addresses. Supports IPv6.
- Top 5% — Top 5% of all autonomous systems by reach and degree
- #10 in Bulgaria — Top 10 by reach within country
Basic Information
- Country
- 🇧🇬 Bulgaria
- Category
- Internet Service Provider
- Network Role
- Mid-size Transit
- Data Origin
- Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
- Registered
- June 26, 2007
- Last Changed
- March 04, 2026
- Last Seen
- March 04, 2026
Prefix Summary
- IPv4 Prefixes (raw / aggregated)
- 15 / 14
- IPv6 Prefixes (raw / aggregated)
- 1 / 1
- IPv4 Addresses
- 254 976
- Largest IPv4 Prefix
- /17 (32 768 addresses)
- Largest IPv6 Prefix
- /32
- Geolocated Countries
- 🇧🇬 BG (27 IPs)
- Prefix Changed
- March 04, 2026
Reputation
- Reputation
- Pristine — 0 flagged IPs out of 254 976 total (0.00%)
Connectivity Summary
- Upstream Providers
- 6 upstream autonomous systems providing transit
- Peers
- 93 autonomous systems exchanging traffic without transit fees
- Downstream Customers
- 6 downstream autonomous systems buying transit
- Degree
- 106 unique BGP neighbors (providers + customers + peers)
- Reach
- 35 050 — customer cone size measuring network influence
- Degree Rank
- #1 424
- Reach Rank
- #181
- Country Rank
- #10
Upstream Providers (6)
Prefix Lists
IPv4 Prefixes (15 total)
- 91.139.128.0/17 (32 768 addresses)
- 93.155.128.0/17 (32 768 addresses)
- 178.169.128.0/17 (32 768 addresses)
- 188.254.128.0/17 (32 768 addresses)
- 37.143.192.0/18 (16 384 addresses)
- 46.40.64.0/18 (16 384 addresses)
- 46.47.64.0/18 (16 384 addresses)
- 46.237.64.0/18 (16 384 addresses)
- 109.121.192.0/18 (16 384 addresses)
- 158.58.192.0/18 (16 384 addresses)
- 212.43.32.0/19 (8 192 addresses)
- 212.75.0.0/19 (8 192 addresses)
- 213.214.64.0/19 (8 192 addresses)
- 185.4.80.0/22 (1 024 addresses)
IPv6 Prefixes (1 total)
- 2a02:6800::/32