Internet status in Bulgaria Operational
Country-level signal dip: 0% · 2026-06-07 23:07:19 UTC
Leading providers
| Provider | ASN | Population share | Status | Signal dip |
|---|---|---|---|---|
| Vivacom Bulgaria EAD | AS8866 | 30.16% | Operational · country signal | — |
| TelenorBG-AS - CETIN Bulgaria EAD | AS29244 | 14.35% | Operational · country signal | — |
| A1BG_MB - A1 Bulgaria EAD | AS12716 | 13.24% | Operational · country signal | — |
| A1BG_RSG - A1 Bulgaria EAD | AS29580 | 7.93% | Operational · country signal | — |
| A1BG_RSD - A1 Bulgaria EAD | AS13124 | 3.14% | Operational · country signal | — |
Per-ISP signals are measured when the country shows anomalies (and continuously for pilot countries); «No data» means no anomaly drill has been needed recently.
ℹ️ How to read this page
Operational — signal at normal levels for this country / provider
Degraded — signal dip ≥20% below its 24h baseline — partial outage or major disturbance
Major outage — dip ≥50% — large-scale loss of connectivity
“Signal dip” compares the current BGP-visibility and active-probing levels against the median of the previous 24 hours, corrected for global measurement artifacts (a worldwide simultaneous drop is ignored).
Data refreshes hourly. Per-ISP rows are measured in depth when the country shows an anomaly (pilot countries — continuously). The probable cause is a heuristic: an active fault on a submarine cable feeding the country ranks first, then routing signals, then power/access patterns.
Degraded — signal dip ≥20% below its 24h baseline — partial outage or major disturbance
Major outage — dip ≥50% — large-scale loss of connectivity
“Signal dip” compares the current BGP-visibility and active-probing levels against the median of the previous 24 hours, corrected for global measurement artifacts (a worldwide simultaneous drop is ignored).
Data refreshes hourly. Per-ISP rows are measured in depth when the country shows an anomaly (pilot countries — continuously). The probable cause is a heuristic: an active fault on a submarine cable feeding the country ranks first, then routing signals, then power/access patterns.
Submarine cables feeding Bulgaria
If a national outage coincides with a fault on one of these systems, the cable is a likely cause — check its live page:
Sources: APNIC population-per-AS estimates · IODA (Georgia Tech) BGP & active-probing signals · GeoCables submarine-cable telemetry. Status is heuristic, not an official provider statement.