Data as of Nov 3, 2026
Autonomous system
AS1103
Surf B.V.
Announces 7,200,000 addresses in 98 prefixes. None of it is anonymizer space.
Type
Education
NL
Proxy activity, 30 days
2.3K exits
Announced prefixes
| Prefix | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|
| 129.125.0.0/16 since May 2005 | Business | Rijksuniversiteit Groningen | ||
| 130.37.0.0/16 since May 2005 | Business | 76 | Stichting VU | |
| 131.174.0.0/16 since May 2005 | Business | Radboud Universiteit Nijmegen | ||
| 131.211.0.0/16 since May 2005 | Business | 1 | Universiteit Utrecht | |
| 131.224.0.0/16 since May 2005 | Business | Rijksinstituut voor Volksgezondheid en Milieuhygiene | ||
| 132.229.0.0/16 since May 2005 | Business | 1 | Universiteit Leiden | |
| 134.221.0.0/16 since May 2005 | Business | TNO | ||
| 136.231.0.0/16 since May 2005 | Business | Stichting Deltares | ||
| 137.56.0.0/16 since May 2005 | Business | 23 | Universiteit van Tilburg | |
| 137.120.0.0/16 since May 2005 | Business | 3 | Universiteit Maastricht | |
| 137.224.0.0/16 since May 2005 | Business | 10 | Wageningen Universiteit | |
| 139.63.0.0/16 since May 2005 | Business | 17 | Dutch organization for applied scientific research | |
| 141.252.0.0/16 since May 2005 | Business | 46 | Noordelijke Hogeschool Leeuwarden | |
| 143.121.0.0/16 since May 2005 | Business | 1 | Universitair Medisch Centrum Utrecht | |
| 145.0.0.0/16 since Apr 2010 | Business | |||
| 145.1.0.0/17 since Jul 2017 | Business | Stichting Nederlandse Wetenschappelijk Onderzoek Instituten trading as Koninklijk NIOZ | ||
| 145.2.0.0/15 since May 2005 | Business | 53 | ||
| 145.5.0.0/16 since Jan 2017 | Business | 24 | Erasmus Universiteit Rotterdam | |
| 145.9.0.0/16 since May 2005 | Business | |||
| 145.19.0.0/16 since Jun 2013 | Business | 2 | ||
| 145.20.0.0/16 since May 2005 | Business | |||
| 145.23.0.0/16 since May 2005 | Business | |||
| 145.24.0.0/16 since May 2005 | Business | 1 | ||
| 145.28.0.0/15 since May 2005 | Business | 25 | ||
| 145.33.0.0/16 since May 2005 | Business | 51 | ||
| 145.37.0.0/16 since May 2005 | Business | |||
| 145.38.0.0/15 since May 2005 | Business | |||
| 145.41.0.0/16 since Jun 2025 | Business | |||
| 145.44.0.0/16 since May 2005 | Business | 38 | ||
| 145.48.0.0/15 since May 2005 | Business | 28 | ||
| 145.51.0.0/16 since May 2005 | Business | |||
| 145.52.0.0/16 since May 2005 | Business | 123 | ||
| 145.74.0.0/15 since May 2005 | Business | 30 | ||
| 145.76.0.0/16 since May 2005 | Business | 20 | ||
| 145.81.0.0/16 since May 2005 | Business | 56 | ||
| 145.85.0.0/16 since May 2005 | Business | 14 | ||
| 145.88.0.0/15 since May 2005 | Business | 92 | ||
| 145.90.0.0/16 since Feb 2017 | Business | 92 2 always on | ||
| 145.91.0.0/16 since May 2005 | Business | 10 | ||
| 145.92.0.0/15 since May 2005 | Business | 78 | ||
| 145.95.0.0/16 since May 2005 | Business | |||
| 145.96.0.0/16 since Feb 2014 | Business | |||
| 145.97.0.0/20 since Nov 2023 | Business | |||
| 145.97.16.0/22 since Jul 2010 | Business | |||
| 145.97.20.0/22 since Aug 2010 | Business | |||
| 145.97.24.0/21 since Mar 2013 | Business | |||
| 145.97.48.0/20 since Sep 2010 | Business | |||
| 145.97.64.0/18 since May 2005 | Business | |||
| 145.97.128.0/18 since Jan 2012 | Business | 19 | ||
| 145.97.192.0/18 since May 2005 | Business | 67 2 always on | ||
| 145.98.0.0/16 since Jun 2025 | Business | |||
| 145.100.0.0/15 since May 2005 | Business | 102 | ||
| 145.102.0.0/16 since May 2013 | Business | 57 | ||
| 145.103.0.0/16 since May 2005 | Business | 7 | ||
| 145.107.0.0/16 since Dec 2016 | Business | 142 | ||
| 145.107.24.0/22 since Sep 2020 | Business | |||
| 145.108.0.0/16 since Jan 2010 | Business | 46 | ||
| 145.116.64.0/18 since May 2005 | Business | 19 | ||
| 145.116.128.0/18 since Jun 2013 | Business | 21 | ||
| 145.116.192.0/20 since Apr 2006 | Business | |||
| 145.116.224.0/19 since Nov 2012 | Business | 1 | ||
| 145.117.0.0/16 since May 2005 | Business | |||
| 145.118.0.0/16 since Aug 2006 | Business | 82 | ||
| 145.120.0.0/14 since Apr 2012 | Business | 140 | ||
| 145.124.0.0/15 since Apr 2012 | Business | |||
| 145.126.0.0/16 since Nov 2019 | Business | 73 | ||
| 145.127.0.0/17 since Mar 2020 | Business | 101 | ||
| 145.136.0.0/15 since Apr 2020 | Business | 141 | ||
| 145.137.128.0/18 since Sep 2022 | Business | 7 | ||
| 145.138.0.0/16 since Apr 2020 | Business | 3 | ||
| 145.140.0.0/14 since Apr 2020 | Business | 71 | ||
| 145.144.0.0/12 since Jul 2018 | Business | 29 | ||
| 145.160.0.0/12 since Sep 2024 | Business | |||
| 156.83.0.0/16 since May 2005 | Business | 8 | Erasmus MC | |
| 192.16.188.0/23 since May 2005 | Business | |||
| 192.31.231.0/24 since May 2005 | Business | Stichting VU | ||
| 192.33.36.0/24 since Jan 2022 | Business | Stichting VU | ||
| 192.42.113.0/24 since May 2005 | Business | SURFnet bv | ||
| 192.42.114.0/23 since May 2005 | Business | |||
| 192.42.120.0/22 since Jul 2024 | Business | |||
| 192.42.124.0/22 since Jul 2024 | Business | |||
| 192.43.212.0/24 since May 2005 | Business | TNO | ||
| 192.87.0.0/16 since May 2005 | Business | 28 3 always on | ||
| 192.104.140.0/24 since May 2005 | Business | Centraal Planbureau | ||
| 193.176.235.0/24 since May 2005 | Business | Koninklijke Nederlandse Akademie van Wetenschappen | ||
| 193.177.176.0/22 since Jan 2017 | Business | Maxima Medisch Centrum | ||
| 194.13.112.0/21 since Nov 2020 | Business | Stichting Sint Antonius Ziekenhuis | ||
| 194.26.8.0/22 since Jul 2010 | Business | Stichting Fontys | ||
| 194.26.12.0/22 since May 2005 | Business | Stichting Fontys | ||
| 194.53.88.0/24 since Jun 2018 | Business | 7 | Stichting Elisabeth-TweeSteden Ziekenhuis | |
| 194.53.89.0/24 since Jun 2018 | Business | Stichting Elisabeth-TweeSteden Ziekenhuis | ||
| 194.53.92.0/24 since Feb 2025 | Business | Stichting Elisabeth-TweeSteden Ziekenhuis | ||
| 194.53.94.0/24 since Feb 2025 | Business | Stichting Elisabeth-TweeSteden Ziekenhuis | ||
| 194.53.95.0/24 since Sep 2022 | Business | Stichting Elisabeth-TweeSteden Ziekenhuis | ||
| 194.104.124.0/23 since Apr 2010 | Business | Amphia Ziekenhuis | ||
| 194.104.240.0/20 since Oct 2020 | Business | Hogeschool Zuyd | ||
| 194.171.0.0/16 since May 2005 | Business | 54 | ||
| 195.169.0.0/16 since May 2005 | Business | 65 |
Residential-proxy exposure
Always-on exits
7
0.30% of its exits
Spread
1,054
/24s with at least one exit
Providers
87
selling exits here
/24s with the most always-on exits
| /24 | Always-on exits | Proxy exits | |
|---|---|---|---|
| 192.87.172.0/24 | 3 | 4 | |
| 145.97.211.0/24 | 2 | 8 | |
| 145.90.92.0/24 | 1 | 2 | |
| 145.90.69.0/24 | 1 | 1 | |
| 145.100.75.0/24 | 0 | 34 | |
| 145.97.228.0/24 | 0 | 26 | |
| 145.5.180.0/24 | 0 | 23 | |
| 145.33.152.0/24 | 0 | 22 | |
| 145.116.79.0/24 | 0 | 19 | |
| 145.120.200.0/24 | 0 | 14 | |
| 145.33.151.0/24 | 0 | 13 | |
| 145.52.150.0/24 | 0 | 12 | |
| 145.102.130.0/24 | 0 | 11 | |
| 145.97.192.0/24 | 0 | 11 | |
| 145.120.201.0/24 | 0 | 11 | |
| 145.97.208.0/24 | 0 | 11 | |
| 137.224.252.0/24 | 0 | 10 | |
| 145.91.240.0/24 | 0 | 10 | |
| 145.97.210.0/24 | 0 | 10 | |
| 195.169.119.0/24 | 0 | 9 | |
| 145.140.1.0/24 | 0 | 9 | |
| 145.120.79.0/24 | 0 | 9 | |
| 145.52.149.0/24 | 0 | 9 | |
| 145.90.12.0/24 | 0 | 9 |
Proxy providers listing exits
- 2Extract
- 711Proxy
- 9Proxy
- Ake.net
- AnyIP
- B2Proxy
- BirdProxies
- BlurPath
- BottingTools
- Bright Data
- ByteProxies
- Byteful
- CatProxies
- CliProxy
- DataImpulse
- Decodo
- EZProxies
- EnigmaProxy
- Evomi
- FastProxy
- FlashProxy
- FlexyProxies
- FloppyData
- GSocks
- Geonix
- Geonode
- GhostConnect
- GloryCloud
- GonzoProxy
- HideProxy
- IPCola
- IPFly
- IPOasis
- IPPeak
- IPRoyal
- Infatica
- InfiniteProxies
- KindProxy
- KocerRoxy
- Kookey
- LemonBright
- LudaxProxy
- MangoProxy
- MoMoProxy
- NSocks
- NextProxy
- NodeProxy
- NovProxy
- NovaProxy
- Novada
- Oxylabs
- PSBProxy
- PacketStream
- PrivateByte
- PrivateProxy
- Proxies.fo
- ProxiesVision
- Proxiware
- Proxmint
- Proxy-Cheap
- Proxy-Seller
- Proxy4U
- ProxyEmpire
- ProxyGeo
- ProxyRack
- ProxyStyler
- ProxyWing
- Proxying
- Proxyma
- PuraRoute
- Q2IP
- RainProxy
- RapidProxy
- RealProxy
- ResiProxies
- RoamProxy
- Shifter
- Smartproxy
- StrikeProxy
- SwiftProxy
- TalorData
- Thordata
- ThunderProxy
- VantageProxies
- VibeProxies
- VitalExclusive
- Webshare
Proxy activity
Oct 4, 2026 – Nov 2, 2026
AS1103, day by day
55K observations
Network & history
Profile
- Registered
- Sep 1, 1993
- Domain
- surf.nl
- Website
- www.surf.nl/en
- Industry
- Computer and Information Technology
Routing patterns
How its announcements have moved
Arrivals