LAYER3 INTEL
Get started
Sign in
Data as of Nov 5, 2026

121.17.172.0/22

4 residential-proxy exits · 30 days

CHINA UNICOM China169 Backbone · space held by China Unicom Hebei province network

Announcement
121.16.0.0/13
RPKI valid
Announced by
AS4837
Type
Residential
98% of it

Residential-proxy exits

Proxy exits
4
0.39% of its addresses · 30 days
Spread
3 of 4
/24s with at least one exit
Providers
27
selling exits here
Oct 6, 2026 – Nov 4, 2026

Exits seen per day

411 observations

/24s with the most always-on exits

/24Always-on exitsProxy exits
121.17.174.0/2402
121.17.172.0/2401
121.17.175.0/2401

Proxy providers listing exits

  • 2Captcha
  • Ake.net
  • BartProxies
  • BirdProxies
  • BottingTools
  • ByteProxies
  • Byteful
  • EnigmaProxy
  • GSocks
  • GonzoProxy
  • HydraProxy
  • IPPeak
  • Infatica
  • LightningProxies
  • MangoProxy
  • NodeProxy
  • NovProxy
  • NovaProxy
  • Proxiware
  • Proxy-Cheap
  • Proxy-Seller
  • ProxyEmpire
  • Proxyma
  • RainProxy
  • Shifter
  • VantageProxies
  • VitalProxy

Composition

The types across the prefix's announced space, by addresses.

Announced space

Address share

Announced space

Types across the prefix

1,024 addresses
TypeAddressesShareRanges
Residential1,00498%2
Business202.0%1

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Announced by

Covering announcement 121.16.0.0/13

Prefix
121.16.0.0/13
Announced by
AS4837 CHINA UNICOM China169 Backbone
Type
Residential
Proxy exits
1,795
Always-on exits
42
RPKI
RPKI valid
Netname
UNICOM-HE
Registrant
China Unicom Hebei province network
RIR
APNIC
Origin network

AS4837

CN
Name
CHINA UNICOM China169 Backbone
Type
Internet provider
Registered
Sep 17, 2001
Domain
chinaunicom.cn
Website
www.chinaunicom.cn/
Industry
Internet Service Provider (ISP)
Spamhaus ASN-DROP
not listed