COLITU LAB21 of 21 probes online

Singapore / SG

1,339 tunnel tests1 network1 vantage pointLast measurement 4 h agoDegraded
CSVJSONAPI

Transports from Singapore, last 24 hours

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 ms263Available
VLESS Reality96.3%798 ms269Degraded
VLESS XHTTP98.5%801 ms269Available
Trojan98.1%808 ms269Available
Shadowsocks97.0%593 ms269Degraded

Success over time

All vantage points in Singapore.

JSONAPI
0%25%50%75%100%12:0018:0000:0006:00
Data table
Time (UTC)Hysteria2VLESS RealityVLESS XHTTPTrojanShadowsocks
10 Oct, 07:00–08:00 UTC100% (10)100% (9)100% (9)100% (9)100% (9)
10 Oct, 08:00–09:00 UTC100% (78)96.3% (80)98.8% (80)96.3% (80)96.3% (81)
10 Oct, 09:00–10:00 UTC100% (78)96.3% (81)98.8% (81)98.8% (81)97.5% (80)
10 Oct, 10:00–11:00 UTC100% (80)96.3% (81)97.5% (81)98.8% (81)97.5% (81)
10 Oct, 11:00–12:00 UTC100% (17)94.4% (18)100% (18)100% (18)94.4% (18)

Networks

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

NetworkSuccessTestsStatus
AS20473 · The Constant Company, LLC98.0%1,339Degraded

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 ms269
TCP to VLESS XHTTP port100%182 ms269
TCP to Trojan port100%183 ms269
TCP to Shadowsocks port100%185 ms269
DNS over TCP 1.1.1.1100%4 ms10
DNS over TCP 8.8.8.8100%8 ms10
DNS over UDP 1.1.1.1100%6 ms10
DNS over UDP 8.8.8.8100%8 ms10
HTTPS cloudflare.com100%20 ms10
HTTPS google.com100%9 ms10
HTTPS wikipedia.org100%12 ms10

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