Data as of Nov 9, 2026
Autonomous system

AS103

Northwestern University

Announces 149,504 addresses in 22 prefixes. None of it is anonymizer space.

Type
Education
US
Proxy activity, 30 days
74 exits

Announced prefixes

Arrived
PrefixTypeProxy exitsHolderRPKI
8.28.178.0/23
since Dec 2011
Business24Level 3 Parent, LLC
via Northwestern University
8.30.248.0/22
since Mar 2012
BusinessLevel 3 Parent, LLC
38.124.97.0/24
since Nov 2017
BusinessCogent Communications, LLC
129.105.0.0/16
since May 2005
Business5
165.124.0.0/17
since Aug 2008
Business42
5 always on
165.124.128.0/19
since Aug 2008
Business
165.124.160.0/20
since Aug 2008
Business4
165.124.176.0/21
since Aug 2008
Business
165.124.184.0/23
since Apr 2024
Business
165.124.186.0/24
since Apr 2024
Business
165.124.192.0/19
since Oct 2010
Business
165.124.224.0/21
since Oct 2010
Business
165.124.232.0/22
since Oct 2010
Business
165.124.240.0/20
since Oct 2010
Business
192.5.143.0/24
since Apr 2018
Business
192.26.85.0/24
since May 2005
Business
192.26.86.0/23
since Apr 2018
Business
192.31.253.0/24
since May 2005
Business
199.74.64.0/18
since May 2005
Business
199.249.165.0/24
since Apr 2018
Business
199.249.166.0/23
since Apr 2018
Business
199.249.168.0/23
since Apr 2018
Business

Residential-proxy exposure

Always-on exits
5
6.8% of its exits
Spread
7
/24s with at least one exit
Providers
61
selling exits here

/24s with the most always-on exits

Proxy providers listing exits

  • 2Captcha
  • 711Proxy
  • 9Proxy
  • Ake.net
  • AnyIP
  • BartProxies
  • BirdProxies
  • BottingTools
  • BuyingProxy
  • ByteProxies
  • Byteful
  • CatProxies
  • CliProxy
  • ColaProxy
  • Decodo
  • EnigmaProxy
  • Evomi
  • FastProxy
  • FlashProxy
  • FlexyProxies
  • FloppyData
  • GSocks
  • Geonix
  • Geonode
  • GloryCloud
  • GonzoProxy
  • IPOasis
  • IPPeak
  • IPRoyal
  • Infatica
  • InfiniteProxies
  • LemonBright
  • LemonPrime
  • LightningProxies
  • LudaxProxy
  • MangoProxy
  • NextProxy
  • NodeMaven
  • NodeProxy
  • NovaProxy
  • Novada
  • Oxylabs
  • Proxiware
  • Proxy-Seller
  • ProxyEmpire
  • ProxyGeo
  • ProxyHat
  • ProxyRack
  • ProxyWing
  • Proxying
  • Proxyma
  • RainProxy
  • Shifter
  • Thordata
  • ThunderProxy
  • TrueProxies
  • VantageProxies
  • VitalExclusive
  • VitalProxy
  • ZENPROXY_LITE
  • ZENPROXY_PREMIUM

Proxy activity

Oct 10, 2026 – Nov 8, 2026

AS103, day by day

14K observations

Network & history

Routing patterns

How its announcements have moved

Arrivals

Year each prefix's current origin began announcing it