Network
A1 Bulgaria EAD
AS13124registered in Bulgaria (BG)hosts in 1 country
As of 2026-10-24, A1 Bulgaria EAD (AS13124, registered in Bulgaria) had 7 902 hosts seen in 1 country; 87 of them with known CVEs (895 distinct, 7 known to be exploited). It announces 438 IPv4 prefixes and 70 IPv6 prefixes (308 736 IPv4 addresses, 805th by address space).
Known CVEs in this network
CVEs by severity: CRITICAL 141 HIGH 326 MEDIUM 396 LOW 32
A match is an indication, not proof: it is based on the software version a service reported, and fixes are often backported without changing the version.
Not counted: 19 hosts with CVEs only on distribution builds whose fix may be backported.
Counted 2026-10-24 04:20 UTC
- Organisation
- A1 Bulgaria EAD
- Network type
- Access network (cable / DSL / ISP) · peering policy Restrictive
- Website
- http://www.a1.bg
- Registry
- RIPE NCC · Bulgaria BG · allocated 2000-03-24
- Announced prefixes
- 438 IPv4 · 70 IPv6 See them
- IPv4 address space
- 308 736 addresses · 805th of 87 569 networks by size
- Rank by exposure
- 2 703rd by hosts with known CVEs Ranking
Routing
Most common CVEs in this network
The 50 found on the most hosts, of 895 CVEs.
Most exposed hosts
Known exploited first, then by the number of CVEs.
Where its hosts are
| Country | Hosts | With CVEs |
|---|---|---|
| Bulgaria BG | 7 902 | 87 |