COLITU LAB21 of 21 probes online

Singapore / SG

1,474 tunnel tests1 network1 vantage pointLast measurement 2 h agoDegraded
CSVJSONAPI

Transports from Singapore, last 30 days

Share of tunnel tests that carried traffic, and the median time from starting the transport to the first answer through it.

TransportSuccessMedian connectTestsStatus
Hysteria2100%602 ms290Available
VLESS Reality96.3%798 ms296Degraded
VLESS XHTTP98.3%800 ms296Available
Trojan98.3%808 ms296Available
Shadowsocks97.0%593 ms296Degraded

Success over time

All vantage points in Singapore.

JSONAPI
0%25%50%75%100%17 Sept24 Sept1 Oct8 Oct
Data table
Time (UTC)Hysteria2VLESS RealityVLESS XHTTPTrojanShadowsocks
10 Oct, 06:00–12:00 UTC100% (290)96.3% (296)98.3% (296)98.3% (296)97.0% (296)

Networks

Each network (autonomous system) the lab measures from. The comparison between networks is where blocking shows.

NetworkSuccessTestsStatus
AS20473 · The Constant Company, LLC98.0%1,474Degraded

Without a tunnel

Plain TCP connections to the same server ports, and the network itself without any VPN. When these work but tunnels fail, the traffic is being singled out.

TestSuccessMedianTests
TCP to VLESS Reality port100%183 ms296
TCP to VLESS XHTTP port100%182 ms296
TCP to Trojan port100%183 ms296
TCP to Shadowsocks port100%185 ms296
DNS over TCP 1.1.1.1100%4 ms11
DNS over TCP 8.8.8.8100%8 ms11
DNS over UDP 1.1.1.1100%8 ms11
DNS over UDP 8.8.8.8100%8 ms11
HTTPS cloudflare.com100%19 ms11
HTTPS google.com100%9 ms11
HTTPS wikipedia.org100%12 ms11

App data (anonymous, delayed)

Transport results reported by Colitu apps in Singapore, counted per network. Published only with at least 5 devices behind each day and 7 days after the fact.

Field data collection is not switched on yet. When it is, the methodology describes exactly what is counted.

Events

All

No events recorded for Singapore.

Vantage points

Singapore (datacenter)
AS20473 · The Constant Company, LLC · Datacenter
98.0%
24 h
Online