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Data as of Nov 4, 2026

5.172.40.0/21

1 residential-proxy exit · 30 days

Fundaments B.V.

Announcement
this exact prefix
RPKI valid
Announced by
AS20559
Type
Hosting
Risk
50 / 100 · Medium

Residential-proxy exits

Proxy exits
1
0.05% of its addresses · 30 days
Always-on exits
1
100% of its exits
Spread
1 of 8
/24s with at least one exit
Providers
18
selling exits here
Oct 5, 2026 – Nov 3, 2026

Exits seen per day

1.1K observations

Proxy providers listing exits

  • 711Proxy
  • Ake.net
  • B2Proxy
  • BirdProxies
  • BottingTools
  • EZProxies
  • FlashProxy
  • FloppyData
  • IPFly
  • IPPeak
  • Kookey
  • MoMoProxy
  • Novada
  • ProxyWing
  • PuraRoute
  • RainProxy
  • Thordata
  • ThunderProxy

Registrations in this block

The registry's network records over the announcement: those covering it, widest first, then every record inside it, under its parent.

RangeAddressesNetnameHolderTypeCreatedAbuse contact
5.172.40.0/212,048NL-FUNDAMENTS-20120730Fundaments B.V. (ORG-FB55-RIPE) · NLALLOCATED PADec 17, 2019[email protected]
└ 5.172.40.0/24256OXILION-NETOxilion B.V.ASSIGNED PAAug 1, 2012[email protected]
via NL-FUNDAMENTS-20120730
└ 5.172.41.0/2816TAUW-NETTauwASSIGNED PAAug 13, 2012[email protected]
via NL-FUNDAMENTS-20120730
└ 5.172.41.16/2816BEANMACHINE-NETZORGINVESTASSIGNED PAAug 15, 2012[email protected]
via NL-FUNDAMENTS-20120730
└ 5.172.41.32/2816Fundaments-VDC-WANFundaments Virtual Datacenter WAN - mgtASSIGNED PAOct 10, 2013[email protected]
via NL-FUNDAMENTS-20120730
└ 5.172.41.48/2816Oxilion-managed-netOxilion-managedASSIGNED PAFeb 25, 2014[email protected]
via NL-FUNDAMENTS-20120730
└ 5.172.41.128/25128E-CUBE-NET2E-Cube B.V.ASSIGNED PAOct 17, 2014[email protected]
via NL-FUNDAMENTS-20120730
└ 5.172.42.0/24256OXILION-NETOxilion B.V.ASSIGNED PAAug 14, 2012[email protected]
via NL-FUNDAMENTS-20120730
└ 5.172.43.0/24256OXILION-NETOxilion B.V.ASSIGNED PAAug 14, 2012[email protected]
via NL-FUNDAMENTS-20120730
└ 5.172.44.0/23512OXILION-MANAGED-NETOxilion B.V.ASSIGNED PAAug 21, 2012[email protected]
via NL-FUNDAMENTS-20120730
└ 5.172.46.0/24256OXILION-MAN-SLA-NETOxilion B.V.ASSIGNED PAAug 21, 2012[email protected]
via NL-FUNDAMENTS-20120730
└ 5.172.47.0/298Fundaments-NDIX-Reinten-200mbps-WANunknownASSIGNED PAFeb 23, 2021[email protected]
via NL-FUNDAMENTS-20120730
└ 5.172.47.8/304Electro-Breukers-NDIX-WANunknownASSIGNED PAFeb 23, 2021[email protected]
via NL-FUNDAMENTS-20120730
└ 5.172.47.12/304NDIX-Best4U-Media-WANunknownASSIGNED PAFeb 23, 2021[email protected]
via NL-FUNDAMENTS-20120730
└ 5.172.47.16/304Mainfreight-internet-SHB-WANunknownASSIGNED PAFeb 23, 2021[email protected]
via NL-FUNDAMENTS-20120730
└ 5.172.47.20/304TKRZ-internet-WANunknownASSIGNED PAFeb 23, 2021[email protected]
via NL-FUNDAMENTS-20120730
└ 5.172.47.24/304NDIX-Bedrijvenvereniging-Stepelo-WANunknownASSIGNED PAFeb 23, 2021[email protected]
via NL-FUNDAMENTS-20120730
└ 5.172.47.32/304Fundaments-NDIX-EHL-Schierzicht-WANunknownASSIGNED PAFeb 23, 2021[email protected]
via NL-FUNDAMENTS-20120730
└ 5.172.47.36/304Fundaments-NDIX-EHL-GarnalenRousant-WANunknownASSIGNED PAFeb 23, 2021[email protected]
via NL-FUNDAMENTS-20120730
└ 5.172.47.40/304Fundaments-NDIX-EHL-VishandelSpijkerman-WANunknownASSIGNED PAFeb 23, 2021[email protected]
via NL-FUNDAMENTS-20120730
└ 5.172.47.44/304Fundaments-NDIX-EHL-NextGenShipyard-WANunknownASSIGNED PAFeb 23, 2021[email protected]
via NL-FUNDAMENTS-20120730
└ 5.172.47.48/2816Fundaments-CNS-IT-kantoor-WANunknownASSIGNED PAFeb 23, 2021[email protected]
via NL-FUNDAMENTS-20120730
└ 5.172.47.96/2732NOVUSS-NETNovussASSIGNED PAJan 16, 2016[email protected]
via NL-FUNDAMENTS-20120730
└ 5.172.47.192/2732Oxilion-Atomia-Hosting-Mail-WANunknownASSIGNED PAFeb 23, 2021[email protected]
via NL-FUNDAMENTS-20120730
└ 5.172.47.224/2732Oxilion-Atomia-Hosting-FTPSSH-WANunknownASSIGNED PAFeb 23, 2021[email protected]
via NL-FUNDAMENTS-20120730

A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Origin network

AS20559

NL
Name
Fundaments B.V.
Type
Hosting
Registered
Aug 13, 2015
Domain
fundaments.nl
Website
www.fundaments.nl
Industry
Hosting and Cloud Provider
Spamhaus ASN-DROP
not listed