BLACKOUT MAP

Internet outage history

Sao Tome and Principe

Operational 4/5 hosts up since Oct 16, 2026 10:00 UTC

Every disruption Blackout Map has recorded in Sao Tome and Principe since monitoring began on October 16, 2026, with reported government shutdowns and submarine cable incidents.

Live status of Sao Tome and Principe RSS feed

5 hosts
Where our monitored hosts are Each dot is a place with monitored hosts; bigger dots have more. The country is shaded in its status now.
0incidents recorded
0total disruption
—longest incident
72outages measured since 2022
0reported shutdowns since 2019

Overview

Last 90 days

Worst status per day, last 90 days
Aug 2, 2026 Operational Degraded Partial outage Blackout Not monitored yet Today

Daily reachability

last 30 days
Oct 16Oct 23Oct 300%50%100%
Hosts uplowest hour

Our probes · hosts reachable

last 72 hours
Oct 28Oct 29Oct 300%50%100%

IODA · routes and active probing, % of normal

last 72 hours
Oct 28Oct 29Oct 300%50%100%
BGP routesActive probingIODA (Georgia Tech)

Latency from our server (Germany)

last 72 hours
Oct 28Oct 29Oct 300 ms100 ms200 ms
Latency25–75%

The same measurements as the live panel, per 30 minutes. Times in UTC.

Incidents

All incidents

our probes and IODA

No disruptions recorded in Sao Tome and Principe since monitoring started on October 16, 2026.

Attacks and context

Context only — they don't change the status above.

DDoS attacks aimed at Sao Tome and Principe · 7 days

Oct 24Oct 25Oct 26Oct 27Oct 28Oct 29Oct 300%50%100%
Network DDoSWeb attacksCloudflare Radar

Per hour; each line is relative to its own busiest hour of the week (100%). Context only — attacks never change a country's status.

Web attacks from
Companhia Santomense de Telecomunicacoes 88% · UNITEL STP SARL 9% · Space Exploration Technologies 3%

Long-term history

Before our monitoring: IODA archive

72 incidents · 4 blackouts · 53 partial outages

Outages in Sao Tome and Principe detected by IODA (Georgia Tech) between January 2022 and the start of our own monitoring: drops in the country's internet routes (BGP) or in its reachability from IODA's active probing, compared with the day before. Each is checked against IODA's signal; small dips are left out.

Started (UTC)DurationWorst levelEvidence
May 18, 2026 06:302 hours Partial outageIODA (Georgia Tech): active probing, lowest 75% of normal
May 18, 2026 04:5030 min Partial outageIODA (Georgia Tech): active probing, lowest 77% of normal
May 16, 2026 21:5030 min Partial outageIODA (Georgia Tech): active probing, lowest 75% of normal
May 16, 2026 16:202 hours Partial outageIODA (Georgia Tech): active probing, lowest 67% of normal
May 15, 2026 05:3030 min Partial outageIODA (Georgia Tech): active probing, lowest 78% of normal
May 15, 2026 00:5030 min DegradedIODA (Georgia Tech): active probing, lowest 82% of normal
May 3, 2026 20:5040 min BlackoutIODA (Georgia Tech): active probing, lowest 42% of normal
Apr 28, 2026 16:202 hours Partial outageIODA (Georgia Tech): active probing, lowest 69% of normal
Apr 23, 2026 10:202 hours Partial outageIODA (Georgia Tech): active probing, lowest 76% of normal
Apr 22, 2026 13:502 hours Partial outageIODA (Georgia Tech): active probing, lowest 75% of normal
Apr 22, 2026 10:102 hours Partial outageIODA (Georgia Tech): active probing, lowest 65% of normal
Apr 22, 2026 05:102 hours Partial outageIODA (Georgia Tech): active probing, lowest 74% of normal
Show all 72
Started (UTC)DurationWorst levelEvidence
Apr 20, 2026 02:5040 min Partial outageIODA (Georgia Tech): active probing, lowest 78% of normal
Apr 12, 2026 20:2050 min Partial outageIODA (Georgia Tech): active probing, lowest 72% of normal
Apr 8, 2026 04:2040 min Partial outageIODA (Georgia Tech): active probing, lowest 74% of normal
Mar 29, 2026 17:0030 min Partial outageIODA (Georgia Tech): active probing, lowest 77% of normal
Mar 29, 2026 03:502 hours Partial outageIODA (Georgia Tech): active probing, lowest 66% of normal
Mar 20, 2026 02:202 hours Partial outageIODA (Georgia Tech): active probing, lowest 72% of normal
Mar 12, 2026 16:2030 min Partial outageIODA (Georgia Tech): active probing, lowest 77% of normal
Feb 7, 2026 13:201 hour Partial outageIODA (Georgia Tech): active probing, lowest 74% of normal
Feb 6, 2026 00:203 hours Partial outageIODA (Georgia Tech): active probing, lowest 74% of normal
Feb 5, 2026 18:101 hour Partial outageIODA (Georgia Tech): active probing, lowest 79% of normal
Feb 5, 2026 15:1030 min DegradedIODA (Georgia Tech): active probing, lowest 85% of normal
Feb 5, 2026 07:301 hour Partial outageIODA (Georgia Tech): active probing, lowest 78% of normal
Feb 4, 2026 19:001 hour Partial outageIODA (Georgia Tech): active probing, lowest 77% of normal
Jan 14, 2026 07:401 hour DegradedIODA (Georgia Tech): routes, lowest 89% of normal
Jan 3, 2026 14:2050 min Partial outageIODA (Georgia Tech): active probing, lowest 73% of normal
Dec 6, 2025 12:0050 min Partial outageIODA (Georgia Tech): active probing, lowest 76% of normal
Dec 6, 2025 08:5040 min Partial outageIODA (Georgia Tech): active probing, lowest 77% of normal
Nov 27, 2025 23:4030 min Partial outageIODA (Georgia Tech): active probing, lowest 78% of normal
Nov 25, 2025 03:501 hour Partial outageIODA (Georgia Tech): active probing, lowest 78% of normal
Oct 31, 2025 06:2040 min Partial outageIODA (Georgia Tech): active probing, lowest 73% of normal
Oct 20, 2025 16:0050 min DegradedIODA (Georgia Tech): active probing, lowest 81% of normal
Oct 20, 2025 11:1040 min Partial outageIODA (Georgia Tech): active probing, lowest 79% of normal
Oct 2, 2025 13:501 hour Partial outageIODA (Georgia Tech): active probing, lowest 73% of normal
Sep 18, 2025 18:0050 min Partial outageIODA (Georgia Tech): active probing, lowest 78% of normal
Sep 13, 2025 18:3050 min Partial outageIODA (Georgia Tech): active probing, lowest 76% of normal
Sep 5, 2025 16:401 hour Partial outageIODA (Georgia Tech): active probing, lowest 77% of normal
Sep 3, 2025 11:5030 min Partial outageIODA (Georgia Tech): active probing, lowest 78% of normal
Aug 10, 2025 07:3030 min DegradedIODA (Georgia Tech): active probing, lowest 83% of normal
Jul 24, 2025 08:5020 min BlackoutIODA (Georgia Tech): active probing, lowest 3% of normal
Jun 16, 2025 21:101 hour Partial outageIODA (Georgia Tech): active probing, lowest 69% of normal
Jun 14, 2025 23:401 hour Partial outageIODA (Georgia Tech): active probing, lowest 76% of normal
Jun 8, 2025 09:1040 min DegradedIODA (Georgia Tech): active probing, lowest 82% of normal
Jun 2, 2025 20:202 hours Partial outageIODA (Georgia Tech): active probing, lowest 73% of normal
May 31, 2025 01:2050 min Partial outageIODA (Georgia Tech): active probing, lowest 77% of normal
May 5, 2025 10:101 hour Partial outageIODA (Georgia Tech): active probing, lowest 76% of normal
Apr 20, 2025 13:402 hours Partial outageIODA (Georgia Tech): active probing, lowest 70% of normal
Apr 20, 2025 11:302 hours Partial outageIODA (Georgia Tech): active probing, lowest 69% of normal
Apr 18, 2025 00:3050 min Partial outageIODA (Georgia Tech): active probing, lowest 74% of normal
Apr 13, 2025 02:3040 min Partial outageIODA (Georgia Tech): active probing, lowest 72% of normal
Apr 3, 2025 05:401 hour Partial outageIODA (Georgia Tech): active probing, lowest 65% of normal
Mar 31, 2025 12:407 hours Partial outageIODA (Georgia Tech): active probing, lowest 67% of normal
Mar 29, 2025 10:103 hours BlackoutIODA (Georgia Tech): active probing, lowest 39% of normal
Mar 25, 2025 20:105 hours DegradedIODA (Georgia Tech): active probing, lowest 81% of normal
Mar 25, 2025 17:3040 min DegradedIODA (Georgia Tech): active probing, lowest 90% of normal
Mar 25, 2025 14:5040 min DegradedIODA (Georgia Tech): active probing, lowest 93% of normal
Mar 25, 2025 07:501 hour Partial outageIODA (Georgia Tech): active probing, lowest 74% of normal
Jan 22, 2025 18:001 hour Partial outageIODA (Georgia Tech): active probing, lowest 75% of normal
Jan 22, 2025 12:5050 min Partial outageIODA (Georgia Tech): active probing, lowest 75% of normal
Nov 27, 2024 22:001 hour Partial outageIODA (Georgia Tech): active probing, lowest 73% of normal
Sep 5, 2024 19:0024 hours Partial outageIODA (Georgia Tech): routes + active probing, lowest 69% of normal
Aug 3, 2024 16:2040 min Partial outageIODA (Georgia Tech): active probing, lowest 77% of normal
Jun 12, 2024 02:103 hours Partial outageIODA (Georgia Tech): active probing, lowest 63% of normal
Jun 6, 2024 11:3050 min Partial outageIODA (Georgia Tech): active probing, lowest 76% of normal
Apr 30, 2024 23:551 hour DegradedIODA (Georgia Tech): routes, lowest 93% of normal
Apr 9, 2024 02:1025 min BlackoutIODA (Georgia Tech): routes, lowest 45% of normal
Oct 5, 2023 16:5520 min DegradedIODA (Georgia Tech): routes, lowest 94% of normal
Oct 5, 2023 05:351 hour DegradedIODA (Georgia Tech): routes, lowest 93% of normal
Jan 10, 2023 16:1010 hours DegradedIODA (Georgia Tech): routes, lowest 95% of normal
Feb 13, 2022 16:004 hours DegradedIODA (Georgia Tech): routes, lowest 95% of normal
Jan 29, 2022 12:3525 min DegradedIODA (Georgia Tech): routes, lowest 95% of normal

Government shutdowns and blocks

since 2019

The Internet Society Pulse tracker has no recorded government shutdowns or blocks in Sao Tome and Principe since 2019.

Provided by Internet Society.

Submarine cable incidents

No submarine cable incidents recorded for Sao Tome and Principe.

Cable incidents: GeoCables (CC BY 4.0). Context only — they never change a country's status.