BLACKOUT MAP

Internet outage history

Sri Lanka

Operational 19/19 hosts up since Oct 16, 2026 10:00 UTC

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

Live status of Sri Lanka RSS feed

Eastern — Operational · 2/2 hosts upSouthern — Operational · 2/2 hosts upUva — Operational · 2/2 hosts upCentral — Operational · 3/3 hosts upWestern — Operational · 6/6 hosts up
Regions right now Operational Degraded Partial outage Blackout Each dot is a state or province we measure separately, coloured by its status now; bigger dots have more hosts. The country is shaded in its overall status.
0incidents recorded
0total disruption
—longest incident
16outages measured since 2022
4reported shutdowns since 2019

Overview

Last 90 days

Worst status per day, last 90 days
Aug 1, 2026 Operational Degraded Partial outage Blackout Not monitored yet Today

Daily reachability

last 30 days
Oct 16Oct 230%50%100%
Hosts uplowest hour

Our probes · hosts reachable

last 72 hours
Oct 27Oct 28Oct 290%50%100%

IODA · routes and active probing, % of normal

last 72 hours
Oct 27Oct 28Oct 290%50%100%
BGP routesActive probingIODA (Georgia Tech)

Latency from our server (Germany)

last 72 hours
Oct 27Oct 28Oct 290 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 Sri Lanka since monitoring started on October 16, 2026.

Attacks and context

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

DDoS attacks aimed at Sri Lanka · 7 days

Oct 23Oct 24Oct 25Oct 26Oct 27Oct 280%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.

Types
UDP Flood 58% · Mirai (UDP) Flood 30% · ACK Flood 2% · Mirai (TCP) Flood 2%
Duration
40% longer than 1 h · 44% under 20 min
Size
99% under 500 Mbit/s · 1% over 10 Gbit/s
Web attacks from
Dialog Axiata PLC. 39% · Sri Lanka Telecom Internet 37% · Mobitel Pvt 9%

Routing incidents · 7 days · Cloudflare Radar

0 possible hijacks of networks in Sri Lanka, 45+ route leaks involving it.

Long-term history

Before our monitoring: IODA archive

16 incidents · 4 blackouts · 5 partial outages

Outages in Sri Lanka 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
Jun 20, 2026 12:202 hours BlackoutIODA (Georgia Tech): active probing, lowest 1% of normal
Nov 29, 2025 13:0050 min Partial outageIODA (Georgia Tech): active probing, lowest 68% of normal
Aug 10, 2025 07:3030 min DegradedIODA (Georgia Tech): active probing, lowest 84% of normal
Jul 24, 2025 08:5020 min BlackoutIODA (Georgia Tech): active probing, lowest 21% of normal
Mar 29, 2025 10:103 hours BlackoutIODA (Georgia Tech): active probing, lowest 31% of normal
Mar 25, 2025 20:105 hours DegradedIODA (Georgia Tech): active probing, lowest 81% of normal
Mar 25, 2025 17:4040 min DegradedIODA (Georgia Tech): active probing, lowest 87% of normal
Mar 25, 2025 14:5040 min DegradedIODA (Georgia Tech): active probing, lowest 93% of normal
Dec 9, 2023 12:204 hours Partial outageIODA (Georgia Tech): active probing, lowest 76% of normal
Nov 19, 2023 12:402 hours BlackoutIODA (Georgia Tech): active probing, lowest 18% of normal
Sep 5, 2023 23:2050 min Partial outageIODA (Georgia Tech): active probing, lowest 65% of normal
Jul 11, 2023 20:501 hour DegradedIODA (Georgia Tech): routes, lowest 91% of normal
Show all 16
Started (UTC)DurationWorst levelEvidence
Jul 11, 2023 19:5520 min DegradedIODA (Georgia Tech): routes, lowest 95% of normal
Aug 24, 2022 04:4045 min DegradedIODA (Georgia Tech): routes, lowest 94% of normal
Jul 2, 2022 05:1040 min Partial outageIODA (Georgia Tech): active probing, lowest 53% of normal
Mar 11, 2022 15:1030 min Partial outageIODA (Georgia Tech): active probing, lowest 73% of normal

Government shutdowns and blocks

since 2019

The Internet Society Pulse tracker records 4 government-ordered shutdowns or blocks in Sri Lanka since 2019.

  • Apps and websites blocked (Facebook, Telegram, Instagram, X (Twitter), WhatsApp, Facebook Messenger), since Apr 2, 2022 — 24 hours
  • Apps and websites blocked (Facebook Messenger, YouTube, Facebook, Instagram, Viber, X (Twitter)), since May 13, 2019 — 4 days
  • Apps and websites blocked (Instagram, WhatsApp, Viber, Facebook, Facebook Messenger, YouTube), since May 5, 2019 — 10 hours
  • Apps and websites blocked (Instagram, Facebook, X (Twitter), Telegram, WhatsApp), since Apr 21, 2019 — 9 days

Shutdown data provided by Internet Society. Pulse

Submarine cable incidents

No submarine cable incidents recorded for Sri Lanka.

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