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NetBlocks
@netblocks.org
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The Internet's Observatory: Tracking cybersecurity and digital governance • connectivity and democracy • tools and policy for change • https://netblocks.org
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netblocks.org
⚠️ Confirmed: Metrics show a decline in internet connectivity in western regions of #Ukraine, as authorities impose emergency power shutdowns amid deadly Russian missile and drone attacks targeting energy infrastructure 🔌
Graph from NetBlocks showing network connectivity by region in Ukraine from December 16, 2025, to December 23, 2025. The y-axis represents normalized connectivity, ranging from 0% to 100%, and the x-axis represents the dates. The graph indicates ongoing connectivity disruptions in western regions starting on the early morning of December 23. The drop in connectivity aligns with power cuts due to missile and drone attacks from Russia. The chart has a dark background and connectivity lines for each region are color-coded. Khmelnytskyi Oblast (30% / 56%), Ivano-Frankivsk Oblast (64% / 65%), Rivne (48% / 66%), Vinnytsia (75% / 75%), Zakarpattia Oblast (77% / 77%), Volyn (80% / 80%), Kyiv Oblast (78% / 80%), Ternopil Oblast (49% / 81%), Lviv (66% / 83%), Chernivtsi (72% / 83%)
December 23, 2025 at 2:11 PM
netblocks.org
⚠️ Confirmed: Internet outages have been registered in San Francisco, #California, corresponding to power cuts, as energy company Pacific Gas & Electric says it is working on repairs 🔌
Graph from NetBlocks showing network connectivity by region in United States from December 10, 2025, to December 21, 2025. The y-axis represents normalized connectivity, ranging from 0% to 100%, and the x-axis represents the dates. The green line representing San Francisco, California's connectivity remains stable most of the time period, with a drop on the evening of December 20. The drop in connectivity aligns with power cuts. The minimum and current connectivity levels are indicated as 85% and 86%, respectively. The chart has a dark background with a red circle highlighting the decline at the end of the period.
December 21, 2025 at 1:10 AM
netblocks.org
⚠️ Confirmed: Network data show a major disruption to internet connectivity in Mykolaiv Oblast, #Ukraine, following reported Russian UAV attacks
Graph from NetBlocks showing network connectivity by region in Ukraine from December 16, 2025, to December 20, 2025. The y-axis represents normalized connectivity, ranging from 0% to 100%, and the x-axis represents the dates. The green line representing Mykolaiv's connectivity remains stable most of the time period, with a sharp drop on the evening of December 19. The drop in connectivity aligns with power cuts due to drone attacks from Russia. The minimum and current connectivity levels are indicated as 42% and 61%, respectively. The chart has a dark background with a red circle highlighting the decline at the end of the period.
December 20, 2025 at 1:20 AM
netblocks.org
⚠️ Confirmed: Metrics show a decline in internet connectivity in Montana, after severe storms bring down power and telecoms lines, leaving thousands of subscribers cut off 🔌 #MTwx
Graph from NetBlocks showing network connectivity by region in United States from December 12, 2025, to December 17, 2025. The y-axis represents normalized connectivity, ranging from 0% to 100%, and the x-axis represents the dates. The green line representing Montana's connectivity remains stable most of the time period, with a drop on the afternoon of December 17. The drop in connectivity aligns with power cuts due to severe storms. The minimum and current connectivity levels are indicated as 83% and 86%, respectively. The chart has a dark background.
December 18, 2025 at 12:12 AM
netblocks.org
⚠️ Confirmed: Metrics show a significant disruption to internet connectivity in #Ukraine, with high impact to Odesa, Mykolaiv, and Kherson, after reported Russian Kinzhal (Dagger) and Kalibr missile attacks targeting critical infrastructure 🔌
Graph from NetBlocks showing network connectivity by region in Ukraine from December 9, 2025, to December 13, 2025. The y-axis represents normalized connectivity, ranging from 0% to 100%, and the x-axis represents the dates. The graph indicates connectivity disruptions in several regions starting on the early morning of December 13. The drop in connectivity aligns with power cuts due to missile attacks from Russia. The chart has a dark background with three red circles highlighting the decline at the end of the period, connectivity lines for each region are color-coded. Mykolaiv (26% / 26%), Odesa (38% / 38%), Kherson Oblast (63% / 68%)
December 13, 2025 at 1:49 AM
netblocks.org
⚠️ Confirmed: Network data show a disruption to internet connectivity in Odesa, #Ukraine, as authorities impose emergency power shutdowns after Russian UAV attacks targeting energy infrastructure 📉
Graph from NetBlocks showing network connectivity by region in Ukraine from December 8, 2025, to December 12, 2025. The y-axis represents normalized connectivity, ranging from 0% to 100%, and the x-axis represents the dates. The green line representing Odesa's connectivity remains lower than normal most of the time period due to scheduled shutdowns, with a sharp drop on the early morning of December 12. The drop in connectivity aligns with power cuts due to drone attacks from Russia. The minimum and current connectivity levels are indicated as 66% and 72%, respectively. The chart has a dark background with a red circle highlighting the decline at the end of the period.
December 12, 2025 at 4:43 AM
netblocks.org
ℹ️ Note: Social media platform X (formerly Twitter) is currently experiencing international outages; incident not related to country-level internet disruptions or filtering #TwitterDown
Screenshot of the X (formerly Twitter) social media platform showing a message that reads 'Posts aren’t loading right now' with an option to 'Try again' underneath.
December 10, 2025 at 7:25 PM
netblocks.org
⚠️ Confirmed: A power outage has knocked out internet connectivity in Sumy, #Ukraine, following massive Russian drone attacks targeting energy infrastructure 🔌
Graph from NetBlocks showing network connectivity in Ukraine from November 29, 2025, to December 8, 2025. The y-axis represents normalized connectivity, ranging from 0% to 100%, and the x-axis represents the dates. The green line representing Sumy's connectivity remains lower than normal most of the time period due to scheduled shutdowns, with a sharp drop on the evening of December 8. The drop in connectivity aligns with power cuts due to drone attacks from Russia. The minimum and current connectivity levels are indicated as 27% and 27%, respectively. The chart has a dark background with a red circle highlighting the decline at the end of the period.
December 8, 2025 at 8:23 PM
netblocks.org
⚠️ Confirmed: Metrics show a disruption to internet connectivity in #Ukraine after a series of Russian missile and drone attacks targeting energy and transport infrastructure in multiple regions followed by emergency power shutdowns 🔌📉
Graph from NetBlocks showing network connectivity in Ukraine from November 25, 2025, to December 6, 2025. The y-axis represents normalized connectivity, ranging from 0% to 100%, and the x-axis represents the dates. The green line representing Ukraine's connectivity remains lower than normal most of the time period due to scheduled shutdowns, with a drop on the early morning of December 6. The drop in connectivity aligns with power cuts due to drone and missile attacks from Russia. The minimum and current connectivity levels are indicated as 81% and 83%, respectively. The chart has a dark background with a red circle highlighting the decline at the end of the period.
December 6, 2025 at 2:48 PM
netblocks.org
⚠️ Confirmed: Metrics show a decline in internet connectivity in parts of Sri Lanka as deadly Cyclone Ditwah wreaks havoc on the island; the losses in service are attributed to power cuts and damaged infrastructure amid heavy flooding and landslides 📉
Graph from NetBlocks showing network connectivity by region in Sri Lanka from November 19, 2025, to November 29, 2025. The y-axis represents normalized connectivity, ranging from 0% to 100%, and the x-axis represents the dates. The graph indicates connectivity disruptions in several regions starting on the evening of November 27. The drop in connectivity aligns with power cuts due to Cyclone Ditwah's passage. The chart has a dark background and connectivity lines for each city are color-coded. Kegalle, Sabaragamuwa Province (48% / 61%), Piliyandala, Western Province (76% / 79%), Colombo, Western Province (79% / 83%), Kottawa, Western Province (83% / 83%), Kandy, Central Province (84% / 86%), Wariyapola, Central Province (75% / 87%), Kadawatha, Western Province (83% / 87%), Panadura, Western Province (87% / 89%), Ratnapura, Sabaragamuwa Province (83% / 91%)
November 29, 2025 at 12:39 PM
netblocks.org
⚠️ Confirmed: A decline in internet connectivity has been registered in southern #Thailand with high impact to Songkhla and Phatthalung provinces; the losses in service are attributed to power cuts, with reports that backup generators have been flooded by the downpour 🔌
Graph from NetBlocks showing network connectivity by region in Thailand from November 12, 2025, to November 25, 2025. The y-axis represents normalized connectivity, ranging from 0% to 100%, and the x-axis represents the dates. The graph indicates connectivity disruptions in southern regions starting on November 22. The drop in connectivity aligns with power cuts due heavy rainfall. The chart has a dark background and connectivity lines for each city are color-coded. Phatthalung, Phatthalung (12% / 12%), Songkhla, Songkhla (64% / 64%), Hat Yai, Songkhla (71% / 77%)
November 25, 2025 at 3:30 PM
netblocks.org
ℹ️ Note: Social media platform X (formerly Twitter) is currently experiencing international outages; incident not related to country-level internet disruptions or filtering #TwitterDown
Screenshot of the X (formerly Twitter) social media platform showing a message that reads 'Posts aren’t loading right now' with an option to 'Try again' underneath.
November 23, 2025 at 4:06 PM
netblocks.org
⚠️ Confirmed: Metrics show a decline in internet connectivity in Darwin, #Australia amid Category 3 Cyclone Fina's passage; the losses in service are attributed to power cuts due to heavy winds and flooding 🌀
Graph from NetBlocks showing network connectivity by region in Australia from November 16, 2025, to November 22, 2025. The y-axis represents normalized connectivity, ranging from 0% to 100%, and the x-axis represents the dates. The green line representing Darwin's connectivity remains stable most of the time period, with a drop on the morning of November 22. The drop in connectivity aligns with power cuts due to Cyclone Fina's passage. The minimum and current connectivity levels are indicated as 78% and 81%, respectively. The chart has a dark background with a red circle highlighting the decline at the end of the period.
November 22, 2025 at 6:03 PM
netblocks.org
ℹ️ Note: Social media platform X (formerly Twitter) is experiencing sporadic issues for some users internationally; incident not related to country-level internet disruptions or filtering #TwitterDown
Screenshot of the X (formerly Twitter) social media platform showing a message that reads “Welcome to Twitter!” This is the best place to see what’s happening in your world. Find some people and topics to follow now.” with an option to 'Let's go!' underneath.
November 21, 2025 at 6:31 PM
netblocks.org
⚠️ Confirmed: Metrics show a disruption to internet connectivity in western regions of #Ukraine, after a series of deadly Russian missile and drone attacks targeting energy infrastructure followed by emergency power shutdowns 📉
Graph from NetBlocks showing network connectivity by region in Ukraine from November 16, 2025, to November 19, 2025. The y-axis represents normalized connectivity, ranging from 0% to 100%, and the x-axis represents the dates. The graph indicates connectivity disruptions in western regions starting on the morning of November 19. The drop in connectivity aligns with power cuts due to drone and missile attacks from Russia. The chart has a dark background and connectivity lines for each region are color-coded. Rivne (70% / 74%), Ternopil Oblast (75% / 77%), Ivano-Frankivsk Oblast (77% / 77%), Lviv (78% / 78%), Khmelnytskyi Oblast (79% / 79%), Zakarpattia Oblast (80% / 80%), Volyn (81% / 83%)
November 19, 2025 at 10:41 AM
netblocks.org
⚠️ Confirmed: Metrics show an ongoing disruption to internet connectivity in Donetsk, Russian-occupied #Ukraine, following Ukrainian UAV attacks targeting Zuivka and Starobesheve thermal power plants; appointees have declared an emergency in parts of the region
Graph from NetBlocks showing network connectivity by region in Ukraine from November 14, 2025, to November 18, 2025. The y-axis represents normalized connectivity, ranging from 0% to 100%, and the x-axis represents the dates. The green line representing Donetsk's connectivity remains stable most of the time period, with a sharp drop on the early morning of November 18 and a second drop on the afternoon of November 18 following restoration. The drop in connectivity aligns with power cuts due to drone attacks from Ukraine. The minimum and current connectivity levels are indicated as 28% and 74%, respectively. The chart has a dark background.
November 18, 2025 at 5:31 PM
netblocks.org
ℹ️ Note: A wide range of online services are currently experiencing disruptions due to a technical issue affecting Cloudflare's global network; incident not related to country-level internet disruptions or filtering
Screenshot of a Cloudflare error page showing the message “Internal server error (Error code 500).” A diagram underneath shows three icons: a browser on the left marked “Working,” a Cloudflare cloud in the centre marked “Error,” and a server on the right also marked “Working.” The page says the issue is caused by an internal server error on Cloudflare’s network and advises the user to try again in a few minutes.
November 18, 2025 at 12:07 PM
netblocks.org
⚠️ Confirmed: Metrics show a disruption to internet connectivity in Donetsk Oblast, Russian-occupied #Ukraine, amid reports of a power outage caused by Ukrainian UAV attacks targeting Chaykino electrical substation 📉
Graph from NetBlocks showing network connectivity by region in Ukraine from November 12, 2025, to November 15, 2025. The y-axis represents normalized connectivity, ranging from 0% to 100%, and the x-axis represents the dates. The graph indicates connectivity disruptions in Donetsk region on the night of November 16. The drop in connectivity aligns with aligns with power cuts due to drone attacks from Ukraine. The chart has a dark background and connectivity lines for each city are color-coded. Yasynuvata, Donetsk (5% / 5%), Makiivka, Donetsk (50% / 50%), Horlivka, Donetsk (9% / 55%), Donetsk, Donetsk (84% / 84%)
November 16, 2025 at 11:06 PM
netblocks.org
⚠️ Confirmed: Internet connectivity has been disrupted in parts of #Russia surrounding Moscow for ~8 hours, with metrics showing declines in multiple oblasts followed by restoration; operator Rostelecom acknowledges an unspecified "backbone issue"
Graph from NetBlocks showing network connectivity by region in Ukraine from November 12, 2025, to November 15, 2025. The y-axis represents normalized connectivity, ranging from 0% to 100%, and the x-axis represents the dates. The graph indicates connectivity disruptions in several regions on the morning of November 15. Total recovery is now visible. The drop in connectivity aligns with a backbone issue. The chart has a dark background and connectivity lines for each region are color-coded. Yaroslavl Oblast (38% / 96%), Kostroma Oblast (40% / 98%), Ivanovo Oblast (49% / 99%), Vladimir Oblast (44% / 100%)
November 15, 2025 at 9:35 PM
netblocks.org
⚠️ Confirmed: Metrics show a decline in internet connectivity in parts of Wyoming and South Dakota; the incident is attributed to a voltage disturbance triggered by tripped lines near Medicine Bow per Western Area Power Administration
Graph from NetBlocks showing network connectivity by region in Ukraine from November 10, 2025, to November 13, 2025. The y-axis represents normalized connectivity, ranging from 0% to 100%, and the x-axis represents the dates. The graph indicates connectivity disruptions in Wyoming and South Dakota starting on November 13. The drop in connectivity aligns with a power outages The chart has a dark background and connectivity lines for each region are color-coded. The chart has a dark background with a red circle highlighting the decline at the end of the period. South Dakota (86% / 89%), Wyoming (83% / 90%)
November 14, 2025 at 12:40 AM
netblocks.org
⚠️ Confirmed: A power outage has knocked out internet connectivity across much of the Dominican Republic with national connectivity at 53% of ordinary levels; the incident is due to a failure in the national electricity transmission system per energy company ETED #apagon
Graph from NetBlocks showing network connectivity in the Dominican Republic from November 1, 2025, to November 11, 2025. The y-axis represents normalized connectivity, ranging from 0% to 100%, and the x-axis represents the dates. The green line representing the Dominican Republic's connectivity remains stable most of the time period, with a sharp drop on November 11. The drop in connectivity aligns with a power outage. The minimum and current connectivity levels are indicated as 53% and 53%, respectively. The chart has a dark background with a red circle highlighting the decline at the end of the period.
November 11, 2025 at 8:43 PM
netblocks.org
⚠️ Confirmed: Metrics show a decline in internet connectivity in the northern #Philippines corresponding to the approach of Super Typhoon Fung-wong's landfall in Luzon; the new incident comes only days after Typhoon Kalmaegi knocks out power and telecom lines #UwanPH
Graph from NetBlocks showing network connectivity by region in Philippines from November 4, 2025, to November 8, 2025. The y-axis represents normalized connectivity, ranging from 0% to 100%, and the x-axis represents the dates. The graph indicates connectivity disruptions in Philippines starting on the evening of November 8. The drop in connectivity aligns with power cuts due to Typhoon Fung Wong's passage. The chart has a dark background and connectivity lines for each city are color-coded. Tagkawayan, Calabarzon (3% / 4%), Majayjay, Calabarzon (12% / 12%), Malabon, Metro Manila (25% / 25%), Dagupan, Ilocos (34% / 34%), Talugtug, Central Luzon (37% / 37%), Tuguegarao City, Cagayan Valley (41% / 41%), Province of Ilocos Sur, Ilocos (44% / 44%), Caba, Ilocos (47% / 47%), Kawit, Calabarzon (53% / 53%), San Jose, Central Luzon (55% / 56%), Puerto Princesa City, Mimaropa (49% / 56%), Santo Tomas, Calabarzon (58% / 58%), Batangas, Calabarzon (58% / 58%), Marilao, Central Luzon (60% / 60%), Concepcion, Central Luzon (60% / 60%), Hermosa, Central Luzon (63% / 63%), Bocaue, Central Luzon (65% / 65%), Baguio City, Cordillera (70% / 70%), Taal, Calabarzon (70% / 70%), Pasay, Metro Manila (72% / 72%), Santa Ana, Central Luzon (74% / 74%), Floridablanca, Central Luzon (77% / 77%), Cainta, Calabarzon (77% / 77%), Tarlac City, Central Luzon (78% / 78%), San Jose del Monte, Central Luzon (79% / 79%), Tanza, Calabarzon (79% / 79%), Manila, Metro Manila (82% / 82%)
November 9, 2025 at 1:30 PM
netblocks.org
⚠️ Confirmed: Metrics show a disruption to internet connectivity in #Ukraine with high impact to Poltava, also affecting parts of Kyiv after a series of Russian missile and drone attacks targeting energy infrastructure followed by emergency power shutdowns 🔌📉
Graph from NetBlocks showing network connectivity by region in Ukraine from November 6, 2025, to November 8, 2025. The y-axis represents normalized connectivity, ranging from 0% to 100%, and the x-axis represents the dates. The graph indicates connectivity disruptions in the Ukraine starting on the early morning of November 8. The drop in connectivity aligns with power cuts due to drone and missile attacks from Russia. The chart has a dark background and connectivity lines for each region are color-coded. Poltava Oblast (37% / 44%), Mykolaiv (62% / 62%), Kharkiv (63% / 69%), Sumy (64% / 70%), Kyiv Oblast (74% / 74%), Kirovohrad Oblast (74% / 77%), Chernihiv (78% / 78%), Odesa (80% / 82%), Dnipropetrovsk Oblast (85% / 85%), Kyiv City (83% / 85%)
November 8, 2025 at 9:48 AM
netblocks.org
⚠️ Confirmed: Network data show a disruption to internet connectivity in Pavlohrad, Dnipropetrovsk, #Ukraine, after Russian UAV attacks target energy infrastructure, leaving several coal mines cut off. 2595 miners trapped underground due to the power cuts have now been rescued 📉
Graph from NetBlocks showing network connectivity by region in Ukraine from October 28, 2025, to November 6, 2025. The y-axis represents normalized connectivity, ranging from 0% to 100%, and the x-axis represents the dates. The green line representing Pavlohrad, Dnipropetrovsk's connectivity remains lower than normal most of the time period due to scheduled shutdowns, with a sharp drop on the evening of November 6. The drop in connectivity aligns with a drone attack from Russia. The minimum and current connectivity levels are indicated as 39% and 46%, respectively. The chart has a dark background with a red circle highlighting the decline at the end of the period.
November 6, 2025 at 5:13 PM
netblocks.org
⚠️ Confirmed: Network data show a decline in internet connectivity in #Philippines with high impact to Cebu amid power cuts due to strong winds as deadly Typhoon Kalmaegi makes landfall in Mimaropa; Grid operator NGCP says it's working to restore power #TinoPH
Graph from NetBlocks showing network connectivity by region in Philippines from October 26, 2025, to November 4, 2025. The y-axis represents normalized connectivity, ranging from 0% to 100%, and the x-axis represents the dates. The graph indicates connectivity disruptions in Philippines starting on November 3. The drop in connectivity aligns with power cuts due to Typhoon Kalmaegi's passage. The chart has a dark background and connectivity lines for each region are color-coded. Mimaropa (64% / 64%), Western Visayas (65% / 69%), Central Visayas (56% / 73%)
November 4, 2025 at 11:57 PM