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Data as of Nov 5, 2026

145.136.0.0/15

No anonymizer space

Surf B.V.

Announcement
this exact prefix
RPKI valid
Announced by
AS1103
Type
Business

Residential-proxy exits

Proxy exits
153
0.12% of its addresses · listed by providers
Spread
94 of 512
/24s with at least one exit
Providers
36
selling exits here

/24s with the most always-on exits

/24Always-on exitsProxy exits
145.136.144.0/2406
145.136.148.0/2405
145.136.146.0/2405
145.136.145.0/2404
145.136.13.0/2404
145.137.43.0/2404
145.136.149.0/2404
145.137.47.0/2404
145.136.137.0/2404
145.137.39.0/2403
145.137.25.0/2403
145.136.159.0/2403
145.136.12.0/2403
145.136.140.0/2403
145.137.84.0/2403
145.136.141.0/2403
145.137.28.0/2402
145.136.225.0/2402
145.137.127.0/2402
145.137.125.0/2402
145.137.101.0/2402
145.137.86.0/2402
145.136.134.0/2402
145.136.147.0/2402

Proxy providers listing exits

  • Ake.net
  • AnyIP
  • BlurPath
  • BottingTools
  • Byteful
  • CatProxies
  • CliProxy
  • Decodo
  • EZProxies
  • EnigmaProxy
  • FastProxy
  • FloppyData
  • Geonode
  • HideProxy
  • IPPeak
  • InfiniteProxies
  • KocerRoxy
  • LemonBright
  • LudaxProxy
  • MoMoProxy
  • NextProxy
  • NovProxy
  • NovaProxy
  • Novada
  • Oxylabs
  • ProxiesVision
  • Proxy4U
  • ProxyEmpire
  • ProxyGeo
  • Proxying
  • PuraRoute
  • RainProxy
  • Shifter
  • Thordata
  • VantageProxies
  • VitalExclusive

Announcements

More specific

Announcements inside

PrefixOriginTypeProxy exitsHolderRPKI
145.137.128.0/18
since Sep 2022
AS1103Business9Surf 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
145.134.0.0 - 145.175.255.2552,752,512SURF-PARENT-BLOCK-IISurf B.V. (ORG-SB3-RIPE) · NLLEGACYAug 5, 2026cert@surfcert.nl
└ 145.136.8.0/212,048ROC-EHV-NETStichting ROC Summa CollegeLEGACYJan 27, 2015cert@surfcert.nl
via SURF-PARENT-BLOCK-II
└ 145.136.16.0/212,048ROC-EHV-NETStichting ROC Summa CollegeLEGACYOct 9, 2017cert@surfcert.nl
via SURF-PARENT-BLOCK-II
└ 145.136.24.0/212,048MINDLAB-NETMindlabs o.a. OWGTilburgLEGACYSep 5, 2023cert@surfcert.nl
via SURF-PARENT-BLOCK-II
└ 145.136.32.0/204,096NLDA-NETNederlandse Defensie Academie (NLDA)LEGACYJun 11, 2014cert@surfcert.nl
via SURF-PARENT-BLOCK-II
└ 145.136.56.0/212,048SURFsara-SUPER-networkSURFsara superLEGACYMar 16, 2021cert@surfcert.nl
via SURF-PARENT-BLOCK-II
└ 145.136.128.0/198,192UU-NETUniversiteit UtrechtLEGACYAug 25, 2016cert@surfcert.nl
via SURF-PARENT-BLOCK-II
└ 145.136.192.0/198,192GRAAFSCHAP-NETGraafschap CollegeLEGACYMay 21, 2015cert@surfcert.nl
via SURF-PARENT-BLOCK-II
└ 145.136.224.0/212,048HSLEIDEN-NETHogeschool LeidenLEGACYMar 2, 2026cert@surfcert.nl
via SURF-PARENT-BLOCK-II
└ 145.136.232.0/221,024KNAW-NETKoninklijke Nederlandse Akademie van WetenschappenLEGACYJan 10, 2024cert@surfcert.nl
via SURF-PARENT-BLOCK-II
└ 145.136.240.0/212,048NATURALIS-NETNaturalis Biodiversity CenterLEGACYDec 18, 2014cert@surfcert.nl
via SURF-PARENT-BLOCK-II
└ 145.136.248.0/221,024NATURALIS-NETNaturalis Biodiversity CenterLEGACYFeb 25, 2020cert@surfcert.nl
via SURF-PARENT-BLOCK-II
└ 145.136.252.0/23512NATURALIS-NETNaturalis Biodiversity CenterLEGACYMar 2, 2026cert@surfcert.nl
via SURF-PARENT-BLOCK-II
└ 145.137.0.0/1732,768HRO-NETHogeschool RotterdamLEGACYNov 8, 2018cert@surfcert.nl
via SURF-PARENT-BLOCK-II
└ 145.137.128.0/1816,384RU-NETRadboud Universiteit Nijmegen (ORG-RU11-RIPE) · NLLEGACYSep 8, 2022cert@ru.nl

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