💫 Pulsar

atproto relay observatory

Showing observation from: 2026-04-06 18:00:02 UTC (3600s)

Host API 1 Run by Location Users Events % of max 2 Uptime 3
relay.xero.systems 225,697 1,550,484 100.51% n/a
jetstream1.xero.systems 225,660 1,608,911 100.49% n/a
atproto.africa Blacksky Algorithms 🇺🇸 Virginia (OVH) 224,558 1,535,352 100.00% 95.3%
relay.waow.tech @zzstoatzz.io 🇩🇪 Germany (Hetzner) 224,234 1,538,381 99.86% 100.0%
jetstream.waow.tech @zzstoatzz.io 🇩🇪 Germany (Hetzner) 224,220 1,595,808 99.85% 100.0%
relay.bas.sh @bas.sh 🇩🇪 Germany (Hetzner) 224,106 1,544,389 99.80% 100.0%
jetstream2.us-east.bsky.network Bluesky PBC 🇺🇸 Virginia (OVH) 223,284 1,599,741 99.43% 99.4%
relay1.us-east.bsky.network Bluesky PBC 🇺🇸 Virginia (–) 223,284 1,542,771 99.43% 99.4%
bsky.network Bluesky PBC 🇺🇸 California (–) 223,281 1,542,763 99.43% 100.0%
relay1.us-west.bsky.network Bluesky PBC 🇺🇸 California (–) 223,279 1,542,742 99.43% 100.0%
jetstream1.us-east.bsky.network Bluesky PBC 🇺🇸 Virginia (OVH) 223,276 1,599,694 99.43% 100.0%
jet.firehose.stream @sri.xyz 🇨🇦 Quebec (OVH) 223,273 1,599,683 99.43% 99.4%
jetstream1.us-west.bsky.network Bluesky PBC 🇺🇸 Oregon (OVH) 223,268 1,599,651 99.43% 100.0%
relay3.fr.hose.cam @bad-example.com 🇫🇷 France (OVH) 223,265 1,535,962 99.42% 100.0%
jetstream2.us-west.bsky.network Bluesky PBC 🇺🇸 Oregon (OVH) 223,265 1,599,624 99.42% 99.4%
jetstream1.us-east.fire.hose.cam @bad-example.com 🇺🇸 Virginia (Hetzner) 223,265 1,599,624 99.42% 100.0%
relay.fire.hose.cam @bad-example.com 🇨🇦 Montreal (ServaRica) 223,250 1,535,910 99.42% 100.0%
jetstream2.fr.hose.cam @bad-example.com 🇩🇪 Germany (Hetzner) 223,249 1,592,736 99.42% 100.0%
asia.firehose.network @sri.xyz 🇮🇳 Mumbai (OVH) 223,241 1,542,731 99.41% 100.0%
northamerica.firehose.network @sri.xyz 🇺🇸 Virginia (OVH) 223,237 1,542,714 99.41% 100.0%
europe.firehose.network @sri.xyz 🇵🇱 Warsaw (OVH) 223,228 1,542,447 99.41% 100.0%
chennai.firehose.stream @sri.xyz 🇮🇳 Mumbai (OVH) 223,223 1,599,402 99.41% 100.0%
nyc.firehose.stream @sri.xyz 🇺🇸 Virginia (OVH) 223,215 1,599,326 99.40% 100.0%
frankfurt.firehose.stream @sri.xyz 🇩🇪 Frankfurt (OVH) 223,212 1,599,157 99.40% 100.0%
sfo.firehose.stream @sri.xyz 🇺🇸 Oregon (OVH) 223,207 1,599,283 99.40% 100.0%
london.firehose.stream @sri.xyz 🇬🇧 London (OVH) 223,206 1,599,131 99.40% 100.0%
zlay.waow.tech @zzstoatzz.io 🇩🇪 Germany (Hetzner) 220,152 1,510,989 98.04% 99.4%
relay.t4tlabs.net @isla.pet 🇨🇦 Toronto (Xenyth) 204,671 1,425,440 91.14% 100.0%
jetstream.fire.hose.cam @bad-example.com 🇨🇦 Montreal (ServaRica) 115,914 644,835 51.62% 100.0%
relay.upcloud.world UpCloud 🇵🇱 Warsaw (–) 114,857 749,402 51.15% 100.0%
relay.feeds.blue @mackuba.eu 🇩🇪 Germany (Netcup) 622 7,000 0.28% 100.0%

1) = firehose (CBOR), = Jetstream, 2 = Jetstream v2

2) Outlier results with suspicious numbers are excluded from calculating the "max users" value, which is why some entries might appear with % larger than 100. "No signal received" means the test runner couldn't make a connection, while 0 events mean that no data was sent over the websocket.

3) Uptime is calculated by making connections to listed servers randomly during the day, around 4 times per day on average for a given source, and recording if a connection was successful and received any data. The % is an average over the last 30 days.

Tangled