LAYER3 INTEL
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Data as of Nov 8, 2026

145.144.0.0/12

No anonymizer space

Surf B.V.

Announcement
this exact prefix
RPKI valid
Announced by
AS1103
Type
Business
Risk
0 / 100 · Low

Residential-proxy exits

Proxy exits
30
<0.01% of its addresses · listed by providers
Spread
16 of 4,096
/24s with at least one exit
Providers
24
selling exits here

/24s with the most always-on exits

/24Always-on exitsProxy exits
145.144.196.0/2409
145.144.176.0/2405
145.144.146.0/2402
145.144.213.0/2402
145.144.192.0/2401
145.144.156.0/2401
145.144.160.0/2401
145.144.152.0/2401
145.144.145.0/2401
145.144.193.0/2401
145.144.151.0/2401
145.144.148.0/2401
145.144.216.0/2401
145.144.218.0/2401
145.145.2.0/2401
145.145.30.0/2401

Proxy providers listing exits

  • AnyIP
  • BottingTools
  • Byteful
  • CatProxies
  • Decodo
  • EZProxies
  • EnigmaProxy
  • FastProxy
  • FloppyData
  • Geonode
  • HideProxy
  • InfiniteProxies
  • LudaxProxy
  • NextProxy
  • NovaProxy
  • Oxylabs
  • ProxiesVision
  • Proxiware
  • ProxyEmpire
  • ProxyGeo
  • RainProxy
  • ResiProxies
  • Shifter
  • VantageProxies

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
145.134.0.0 - 145.175.255.2552,752,512SURF-PARENT-BLOCK-IISurf B.V. (ORG-SB3-RIPE) · NLLEGACYAug 5, 2026cert@surfcert.nl
└ 145.144.0.0 - 145.144.2.255768SURFVIRTNETSurf B.V. (ORG-SB3-RIPE) · NLLEGACYNov 24, 2020cert@surfcert.nl
└ 145.144.0.0/23512SURFVIRTNETSurf B.V. (ORG-SB3-RIPE) · NLLEGACYMay 15, 2018cert@surfcert.nl
└ 145.144.2.0/24256SURFFW-NETSURF NW SURFfirewall (int. cust)LEGACYJul 1, 2026cert@surfcert.nl
via SURFVIRTNET
└ 145.144.3.0/24256SURFFW-NETSURF NW SURFfirewall (int. cust)LEGACYJul 30, 2026cert@surfcert.nl
via SURF-PARENT-BLOCK-II
└ 145.144.4.0/24256TESTACCOUNT-NETTestaccount NetwerkdashboardLEGACYFeb 11, 2026cert@surfcert.nl
via SURF-PARENT-BLOCK-II
└ 145.144.5.0/24256SURFOC-NETSURF NW onCampus (int.cust)LEGACYSep 24, 2026cert@surfcert.nl
via SURF-PARENT-BLOCK-II
└ 145.144.6.0/23512SURFAO-NETSURF NW AutomationOrchestration (int. cust)LEGACYFeb 11, 2026cert@surfcert.nl
via SURF-PARENT-BLOCK-II
└ 145.144.144.0/204,096GRAAFSCHAP-NETGraafschap CollegeLEGACYApr 12, 2013cert@surfcert.nl
via SURF-PARENT-BLOCK-II
└ 145.144.160.0/198,192GRAAFSCHAP-NETGraafschap CollegeLEGACYOct 16, 2014cert@surfcert.nl
via SURF-PARENT-BLOCK-II
└ 145.144.192.0/198,192RIJC-NETRijn IJsselLEGACYMar 5, 2014cert@surfcert.nl
via SURF-PARENT-BLOCK-II
└ 145.144.232.0/221,024DIFFER-NETDIFFERLEGACYJan 19, 2017cert@surfcert.nl
via SURF-PARENT-BLOCK-II
└ 145.144.240.0/24256SURFnetnetworkVPN-networkSurf B.V. (ORG-SB3-RIPE) · NLLEGACYJun 19, 2018cert@surfcert.nl
└ 145.144.244.0/23512SN-eduVPN-NETSURFnet bvLEGACYJun 24, 2021cert@surfcert.nl
via SURF-PARENT-BLOCK-II
└ 145.145.0.0/1665,536SURFNET8Surf B.V. (ORG-SB3-RIPE) · NLLEGACY—cert@surfcert.nl
└ 145.146.0.0/1665,536SURFNET-NETHERLIGHTSurf B.V. (ORG-SB3-RIPE) · NLLEGACYSep 9, 2003cert@surfcert.nl
└ 145.146.255.192/2816SURFNET-NETHERLIGHT-LHCONELHCONE project at NetherLightLEGACYApr 11, 2012cert@surfcert.nl
via SURFNET-NETHERLIGHT

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

AS1103

NL
Name
Surf B.V.
Type
Education
Registered
Sep 1, 1993
Domain
surf.nl
Website
www.surf.nl/en
Industry
Computer and Information Technology
Spamhaus ASN-DROP
not listed