LAYER3 INTEL
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Data as of Nov 7, 2026

145.100.0.0/15

No anonymizer space

Surf B.V.

Announcement
this exact prefix
RPKI valid
Announced by
AS1103
Type
Business

Residential-proxy exits

Proxy exits
111
0.08% of its addresses · listed by providers
Spread
47 of 512
/24s with at least one exit
Providers
41
selling exits here

/24s with the most always-on exits

/24Always-on exitsProxy exits
145.100.75.0/24037
145.100.74.0/2408
145.101.72.0/2404
145.100.150.0/2404
145.100.155.0/2404
145.100.91.0/2404
145.100.90.0/2403
145.101.92.0/2402
145.101.108.0/2402
145.101.208.0/2402
145.100.145.0/2402
145.100.152.0/2402
145.100.147.0/2402
145.100.89.0/2402
145.100.226.0/2401
145.101.97.0/2401
145.100.154.0/2401
145.100.146.0/2401
145.100.157.0/2401
145.100.158.0/2401
145.100.159.0/2401
145.100.171.0/2401
145.100.144.0/2401
145.101.31.0/2401

Proxy providers listing exits

  • Ake.net
  • AnyIP
  • BlurPath
  • BottingTools
  • Byteful
  • CatProxies
  • CliProxy
  • DataImpulse
  • Decodo
  • EZProxies
  • EnigmaProxy
  • FastProxy
  • FloppyData
  • Geonode
  • GhostConnect
  • HideProxy
  • IPFly
  • IPPeak
  • InfiniteProxies
  • LemonBright
  • LudaxProxy
  • NextProxy
  • NovProxy
  • NovaProxy
  • Oxylabs
  • PrivateByte
  • ProxiesVision
  • Proxiware
  • Proxmint
  • Proxy4U
  • ProxyEmpire
  • ProxyGeo
  • ProxyRack
  • Proxying
  • PuraRoute
  • RainProxy
  • Shifter
  • Thordata
  • VantageProxies
  • VitalExclusive
  • Webshare

Announcements

More specific

Announcements inside

PrefixOriginTypeHolderRPKI
145.100.118.0/24
since Jul 2024
AS1149BusinessSurf B.V.

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
145.88.0.0 - 145.118.255.2552,031,616SURFNET-EARLY-REGISTRATIONSSurf B.V. (ORG-SB3-RIPE) · NLLEGACYNov 24, 2025cert@surfcert.nl
└ 145.100.0.0/1816,384SURFsara-networkSURFsaraLEGACYJan 7, 2004cert@surfcert.nl
via SURFNET-EARLY-REGISTRATIONS
└ 145.100.64.0/204,096ROCVA-NETROC van Amsterdam-FlevolandLEGACYMar 5, 2007cert@surfcert.nl
via SURFNET-EARLY-REGISTRATIONS
└ 145.100.88.0/212,048HSLEIDEN-NETHogeschool LeidenLEGACYOct 16, 2025cert@surfcert.nl
via SURFNET-EARLY-REGISTRATIONS
└ 145.100.96.0/204,096UVA-NETUniversiteit van AmsterdamLEGACYJul 31, 2007cert@surfcert.nl
via SURFNET-EARLY-REGISTRATIONS
└ 145.100.112.0/221,024UVA-NETUniversiteit van AmsterdamLEGACYAug 29, 2012cert@surfcert.nl
via SURFNET-EARLY-REGISTRATIONS
└ 145.100.116.0/23512SURFsara-BIG-GRID-networkSURFsara Big GridLEGACYMay 1, 2014cert@surfcert.nl
via SURFNET-EARLY-REGISTRATIONS
└ 145.100.118.0/23512UT-ANYCAST-TEST-NETUniversiteit Twente (ORG-UT18-RIPE) · NLLEGACYJul 8, 2019cert@surfcert.nl
└ 145.100.120.0/221,024Roosevelt-NETRoosevelt AcademyLEGACYAug 13, 2007cert@surfcert.nl
via SURFNET-EARLY-REGISTRATIONS
└ 145.100.124.0/221,024Roosevelt-NETRoosevelt AcademyLEGACYMay 21, 2008cert@surfcert.nl
via SURFNET-EARLY-REGISTRATIONS
└ 145.100.128.0/212,048UVA-NETUniversiteit van AmsterdamLEGACYAug 16, 2007cert@surfcert.nl
via SURFNET-EARLY-REGISTRATIONS
└ 145.100.144.0/204,096ROC-EHV-NETStichting ROC Summa CollegeLEGACYSep 20, 2007cert@surfcert.nl
via SURFNET-EARLY-REGISTRATIONS
└ 145.100.160.0/204,096ROC-EHV-NETStichting ROC Summa CollegeLEGACYNov 17, 2009cert@surfcert.nl
via SURFNET-EARLY-REGISTRATIONS
└ 145.100.176.0/221,024SNET-SARA-LANSURFnet IP LANLEGACYOct 10, 2007cert@surfcert.nl
via SURFNET-EARLY-REGISTRATIONS
└ 145.100.180.0/221,024SNET-UU-LANPart of SURFnet IP LAN @ Ut0015aLEGACYOct 10, 2007cert@surfcert.nl
via SURFNET-EARLY-REGISTRATIONS
└ 145.100.184.0/221,024SNET-UVT-LANSURFnet IP LANLEGACYOct 10, 2007cert@surfcert.nl
via SURFNET-EARLY-REGISTRATIONS
└ 145.100.188.0/221,024SNET-NIKHEF-LANSURFnet IP LANLEGACYSep 22, 2008cert@surfcert.nl
via SURFNET-EARLY-REGISTRATIONS
└ 145.100.192.0/212,048RUG-NETRijksuniversiteit GroningenLEGACYMar 10, 2008cert@surfcert.nl
via SURFNET-EARLY-REGISTRATIONS
└ 145.100.200.0/212,048SURFsara-SUPER-networkSURFsara superLEGACYNov 7, 2012cert@surfcert.nl
via SURFNET-EARLY-REGISTRATIONS
└ 145.100.208.0/212,048NPC-NETNoorderpoortLEGACYJun 24, 2010cert@surfcert.nl
via SURFNET-EARLY-REGISTRATIONS
└ 145.100.216.0/23512Roosevelt-NETRoosevelt AcademyLEGACYOct 12, 2009cert@surfcert.nl
via SURFNET-EARLY-REGISTRATIONS
└ 145.100.224.0/212,048RUG-NETRijksuniversiteit GroningenLEGACYOct 28, 2009cert@surfcert.nl
via SURFNET-EARLY-REGISTRATIONS
└ 145.100.232.0/212,048RUG-NETRijksuniversiteit GroningenLEGACYMar 2, 2026cert@surfcert.nl
via SURFNET-EARLY-REGISTRATIONS
└ 145.100.240.0/204,096RUG-NETRijksuniversiteit GroningenLEGACYMar 2, 2026cert@surfcert.nl
via SURFNET-EARLY-REGISTRATIONS
└ 145.101.0.0/198,192OBANETOpenbare Bibliotheek AmsterdamLEGACYJul 27, 2010cert@surfcert.nl
via SURFNET-EARLY-REGISTRATIONS
└ 145.101.32.0/212,048SURFsara-LISA-networkSURFsara LISALEGACYNov 15, 2012cert@surfcert.nl
via SURFNET-EARLY-REGISTRATIONS
└ 145.101.40.0/221,024AMOLFAMOLF (ORG-AA1137-RIPE)LEGACYJan 13, 2011cert@surfcert.nl
via SURFNET-EARLY-REGISTRATIONS
└ 145.101.44.0/221,024NPC-NETNoorderpoortLEGACYDec 16, 2015cert@surfcert.nl
via SURFNET-EARLY-REGISTRATIONS
└ 145.101.48.0/24256MBORIJNLAND-NETmboRijnlandLEGACYMar 11, 2011cert@surfcert.nl
via SURFNET-EARLY-REGISTRATIONS
└ 145.101.49.0/24256netSURF_SURFcert_panganetSURFLEGACYJul 29, 2019cert@surfcert.nl
via SURFNET-EARLY-REGISTRATIONS
└ 145.101.50.0/23512SURF-eduVPN-NETSURF bvLEGACYMar 30, 2021cert@surfcert.nl
via SURFNET-EARLY-REGISTRATIONS
└ 145.101.52.0/221,024SURFnet-TC2-NETunknownLEGACYOct 26, 2017cert@surfcert.nl
via SURFNET-EARLY-REGISTRATIONS
└ 145.101.56.0/212,048SN-eduVPN-NETSURFnet bvLEGACYJun 26, 2018cert@surfcert.nl
via SURFNET-EARLY-REGISTRATIONS
└ 145.101.64.0/204,096HSLEIDEN-NETHogeschool LeidenLEGACYOct 7, 2010cert@surfcert.nl
via SURFNET-EARLY-REGISTRATIONS
└ 145.101.80.0/204,096HSLEIDEN-NETHogeschool LeidenLEGACYOct 10, 2012cert@surfcert.nl
via SURFNET-EARLY-REGISTRATIONS
└ 145.101.96.0/204,096RU-NETRadboud UniversiteitLEGACYJan 10, 2022cert@surfcert.nl
via SURFNET-EARLY-REGISTRATIONS
└ 145.101.112.0/204,096SURFnet-VANCIS-NETSURFnet IP LANLEGACYJun 10, 2014cert@surfcert.nl
via SURFNET-EARLY-REGISTRATIONS
└ 145.101.128.0/1732,768BUAS-NETBreda University of Applied SciencesLEGACYSep 25, 2026cert@surfcert.nl
via SURFNET-EARLY-REGISTRATIONS
└ 145.101.128.0/1816,384NHTV-NET-BredaNHTV internationale hogeschool BredaLEGACYNov 30, 2007cert@surfcert.nl
via BUAS-NET

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