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Data as of Nov 7, 2026

81.21.136.0/21

4 residential-proxy exits · 30 days

Signet B.V.

Announcement
this exact prefix
RPKI valid
Announced by
AS28878
Type
Business
88% of it

Residential-proxy exits

Proxy exits
4
0.20% of its addresses · 30 days
Always-on exits
1
25% of its exits
Spread
2 of 8
/24s with at least one exit
Providers
20
selling exits here
Oct 8, 2026 – Nov 6, 2026

Exits seen per day

726 observations

/24s with the most always-on exits

/24Always-on exitsProxy exits
81.21.137.0/2413
81.21.138.0/2401

Proxy providers listing exits

  • AnyIP
  • BottingTools
  • CatProxies
  • FastProxy
  • FloppyData
  • Geonode
  • IPFly
  • InfiniteProxies
  • Kookey
  • LemonBright
  • Novada
  • ProxiesVision
  • ProxyGeo
  • PuraRoute
  • RainProxy
  • RapidProxy
  • RoamProxy
  • SwiftProxy
  • TalorData
  • ZENPROXY_LITE

Announcements

More specific

Announcements inside

PrefixOriginTypeHolderRPKI
81.21.136.0/24
since Mar 2024
AS31586HostingSignet 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
81.21.136.0/212,048NL-SIGNET-20110118Signet B.V. (ORG-SI6-RIPE) · NLALLOCATED PAJan 18, 2011abuse@signet.nl
└ 81.21.136.0/24256SIGNET-SON-DC1-VZSignet SonASSIGNED PAFeb 22, 2011abuse@signet.nl
via NL-SIGNET-20110118
└ 81.21.137.0/24256SIGNET-DSL-9Signet BV AmsterdamASSIGNED PAFeb 23, 2011abuse@signet.nl
via NL-SIGNET-20110118
└ 81.21.138.0/298FF3396-AMSTERDAMCCare ICT B.V. AmsterdamASSIGNED PAApr 1, 2016abuse@signet.nl
via NL-SIGNET-20110118
└ 81.21.138.8/298FF3405-NIEUWEGEINAccor Hospitality Nederland NieuwegeinASSIGNED PAFeb 25, 2011abuse@signet.nl
via NL-SIGNET-20110118
└ 81.21.138.16/298FF608-WOERDENOTIB WoerdenASSIGNED PAMar 1, 2011abuse@signet.nl
via NL-SIGNET-20110118
└ 81.21.138.24/298FF3545-BUNSCHOTEN-SPAKENBURGBeach House BV Bunschoten-SpakenburgASSIGNED PAMar 2, 2011abuse@signet.nl
via NL-SIGNET-20110118
└ 81.21.138.32/2732FF1187-SONNeways Electronics Int. BV SONASSIGNED PAMar 2, 2011abuse@signet.nl
via NL-SIGNET-20110118
└ 81.21.138.64/2816SB-SI-20569unknownASSIGNED PAOct 21, 2024abuse@signet.nl
via NL-SIGNET-20110118
└ 81.21.138.96/298FF3486-BOXTELQidida BoxtelASSIGNED PAMar 2, 2011abuse@signet.nl
via NL-SIGNET-20110118
└ 81.21.138.104/298EF2619-ROTTERDAMExtra Talent B.V. RotterdamASSIGNED PAMar 7, 2011abuse@signet.nl
via NL-SIGNET-20110118
└ 81.21.138.112/298FF3501-Hazerswoude-DorpBureauTOP Hazerswoude-DorpASSIGNED PAMar 9, 2011abuse@signet.nl
via NL-SIGNET-20110118
└ 81.21.138.120/298FF3594-AMSTERDAMHippo BV AmsterdamASSIGNED PAMar 15, 2011abuse@signet.nl
via NL-SIGNET-20110118
└ 81.21.138.128/2664FF3570-AMSTERDAMFabrique BV AmsterdamASSIGNED PAMar 3, 2011abuse@signet.nl
via NL-SIGNET-20110118
└ 81.21.138.192/2732FF3576-AMSTERDAMIP Dialtone BV AmsterdamASSIGNED PAMar 15, 2011abuse@signet.nl
via NL-SIGNET-20110118
└ 81.21.138.224/298FF2920-GOUDACentric IT Solutions GoudaASSIGNED PAMar 18, 2011abuse@signet.nl
via NL-SIGNET-20110118
└ 81.21.138.232/298FF2920-GOUDACentric IT Solutions B.V. GoudaASSIGNED PAMar 25, 2011abuse@signet.nl
via NL-SIGNET-20110118
└ 81.21.138.240/2816PROSERVE-CUST-ID-1106unknownASSIGNED PAMar 3, 2020abuse@proserve.nl
└ 81.21.139.0/24256FF3532-UTRECHTBedrijvencentra Utrecht, ref. Hooghiemstra UtrechtASSIGNED PAMar 23, 2011abuse@signet.nl
via NL-SIGNET-20110118
└ 81.21.140.0/2816FF3541-GOUDAGouda Refractories BV GoudaASSIGNED PAMar 28, 2011abuse@signet.nl
via NL-SIGNET-20110118
└ 81.21.140.24/298FF3556-HillegomJ.G. van Dooren B.V. HillegomASSIGNED PAMar 29, 2011abuse@signet.nl
via NL-SIGNET-20110118
└ 81.21.140.32/2816FF2920-ACLOUD-GOUDACentric IT Solutions B.V. GoudaASSIGNED PAOct 26, 2015abuse@signet.nl
via NL-SIGNET-20110118
└ 81.21.140.48/298FF3612-ALMERESW Solutions b.v. AlmereASSIGNED PAApr 4, 2011abuse@signet.nl
via NL-SIGNET-20110118
└ 81.21.140.56/298FF3424-AMSTERDAMAannemingsmij. Afezo BV AmsterdamASSIGNED PAApr 11, 2011abuse@signet.nl
via NL-SIGNET-20110118
└ 81.21.140.64/298FF5022-NIJMEGEN024 Business Point BV NijmegenASSIGNED PAApr 13, 2011abuse@signet.nl
via NL-SIGNET-20110118
└ 81.21.140.72/298FF3469-BODEGRAVENVersluys en Zoon B.V. BodegravenASSIGNED PAApr 13, 2011abuse@signet.nl
via NL-SIGNET-20110118
└ 81.21.140.88/298FF3352-DENHAAGStichting IFAW Den HaagASSIGNED PAApr 14, 2011abuse@signet.nl
via NL-SIGNET-20110118
└ 81.21.140.104/298FF3396-AMSTERDAMCCare ICT B.V. AmsterdamASSIGNED PAFeb 17, 2015abuse@signet.nl
via NL-SIGNET-20110118
└ 81.21.140.112/298FF3632-HOUTENBuro Medische Automatisering BV HoutenASSIGNED PAApr 20, 2011abuse@signet.nl
via NL-SIGNET-20110118
└ 81.21.140.120/298SB7786-311530unknownASSIGNED PAFeb 17, 2015abuse@signet.nl
via NL-SIGNET-20110118
└ 81.21.140.128/2664FF1137-SONMaas International SonASSIGNED PAApr 15, 2011abuse@signet.nl
via NL-SIGNET-20110118
└ 81.21.140.192/298FF3138-AMSTERDAMDe Combinatie van Factoren AmsterdamASSIGNED PAApr 22, 2011abuse@signet.nl
via NL-SIGNET-20110118
└ 81.21.140.200/298FF3632-HOUTENBuro Medische Automatisering BV HoutenASSIGNED PAApr 26, 2011abuse@signet.nl
via NL-SIGNET-20110118
└ 81.21.140.208/298FF7643-HUISTERHEIDESignet CustID 7643ASSIGNED PAApr 28, 2011abuse@signet.nl
via NL-SIGNET-20110118
└ 81.21.140.216/298FF3637-BODEGRAVENSynCount Accountants & Belastingsadviseurs B. BodegravenASSIGNED PAMay 12, 2011abuse@signet.nl
via NL-SIGNET-20110118
└ 81.21.140.224/2732FF-1538MACS BV SonASSIGNED PAMay 5, 2011abuse@signet.nl
via NL-SIGNET-20110118
└ 81.21.141.0/24256SIGNET-FF6Signet BV SonASSIGNED PAMay 10, 2011abuse@signet.nl
via NL-SIGNET-20110118
└ 81.21.142.0/24256SIGNET-BBT1Signet B.V. SonASSIGNED PAMay 11, 2011abuse@signet.nl
via NL-SIGNET-20110118
└ 81.21.143.0/298BD4507-DORDRECHTTandartspraktijk G.A.F. van Kooten DORDRECHTASSIGNED PAJan 16, 2013abuse@signet.nl
via NL-SIGNET-20110118
└ 81.21.143.16/298BD4600-AMERICAVan Dijck Groenteproducties B.V. AMERICAASSIGNED PAApr 23, 2013abuse@signet.nl
via NL-SIGNET-20110118
└ 81.21.143.32/298BD4534-VEGHELAGNI Fire Doors B.V. VeghelASSIGNED PASep 5, 2013abuse@signet.nl
via NL-SIGNET-20110118
└ 81.21.143.40/298BD4910-SHERTOGENBOSCHFresh Food Service s-HertogenboschASSIGNED PAOct 17, 2013abuse@signet.nl
via NL-SIGNET-20110118
└ 81.21.143.56/298BD4680-SGRAVENZANDELanstomaten s-GravenzandeASSIGNED PAMar 17, 2014abuse@signet.nl
via NL-SIGNET-20110118
└ 81.21.143.64/298BD5314-NIEUWVENNEPFrigo Nieuw-Vennep B.V. Nieuw-VennepASSIGNED PAAug 5, 2014abuse@signet.nl
via NL-SIGNET-20110118

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

Composition

The types across the prefix's announced space, by addresses.

Announced space

Address share

Announced space

Types across the prefix

2,048 addresses
TypeAddressesShareRanges
Business1,79288%1
Hosting25613%1

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Origin network

AS28878

NL
Name
Signet B.V.
Type
Internet provider
Registered
Mar 25, 2003
Domain
signetbreedband.nl
Website
www.signetbreedband.nl
Industry
Internet Service Provider (ISP)
Spamhaus ASN-DROP
not listed