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Data as of Nov 3, 2026

217.65.160.0/20

No anonymizer space · no proxy exits in 30 days

PRT Systems Limited

Announcement
this exact prefix
RPKI valid
Announced by
AS8676
Type
Hosting
Risk
50 / 100 · Medium

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
217.65.160.0/204,096UK-PRT-20020911PRT Systems Limited (ORG-PSL1-RIPE) · GBALLOCATED PASep 11, 2002[email protected]
└ 217.65.160.0/24256PRTSYS-LONDON-THD-1PRT Systems LtdASSIGNED PAAug 31, 2005[email protected]
via UK-PRT-20020911
└ 217.65.161.0/2664PRTSYS-LONDON-THD-1PRT Systems LtdASSIGNED PAAug 28, 2003[email protected]
via UK-PRT-20020911
└ 217.65.161.64/2816PRTSYS-SSL-HOSTINGPRT Systems LtdASSIGNED PAApr 13, 2006[email protected]
via UK-PRT-20020911
└ 217.65.161.80/298CLEARHOST-SERVICESClearhost Service AddressesASSIGNED PANov 4, 2016[email protected]
via UK-PRT-20020911
└ 217.65.161.112/298UMIS-BARNEYBarnaby Puttick Home DMZ LANASSIGNED PAJul 15, 2015[email protected]
via UK-PRT-20020911
└ 217.65.161.192/2732PRTSYS-CUST-PP-3PRT Systems LtdASSIGNED PAJun 24, 2006[email protected]
via UK-PRT-20020911
└ 217.65.161.224/2816PSYS-NCUK-OOBNCUK OOB TelehouseASSIGNED PAJul 15, 2015[email protected]
via UK-PRT-20020911
└ 217.65.161.240/2816PROQUEST2Proquest Information And Learning.ASSIGNED PAJun 15, 2006[email protected]
via UK-PRT-20020911
└ 217.65.162.0/2664PRTSYS-LONDON-IXH-1PRT Systems LtdASSIGNED PASep 13, 2002[email protected]
via UK-PRT-20020911
└ 217.65.162.80/298PROQUEST-LONDONProquest London Office DMZASSIGNED PAJul 15, 2015[email protected]
via UK-PRT-20020911
└ 217.65.162.96 - 217.65.162.1049CH-L2TP-INTERCONNECTSCore L2TP interconnectsASSIGNED PAJul 15, 2015[email protected]
via UK-PRT-20020911
└ 217.65.162.112/2816PRTSYS-LD2-INFRA-2LD2 InfrastructureASSIGNED PAJul 15, 2015[email protected]
via UK-PRT-20020911
└ 217.65.163.0/2664PRTSYS-LONDON-IXH-1PRT Systems LtdASSIGNED PASep 13, 2002[email protected]
via UK-PRT-20020911
└ 217.65.163.64/2732CLEARHOST-1Clearhost/UMIS Mail RelaysASSIGNED PAMar 30, 2007[email protected]
via UK-PRT-20020911
└ 217.65.163.128/2732CLEARHOST-STAGINGClearhost staging networksASSIGNED PAJul 15, 2015[email protected]
via UK-PRT-20020911
└ 217.65.163.160/2816PRTASSPRT AssociatesASSIGNED PAJun 24, 2004[email protected]
via UK-PRT-20020911
└ 217.65.163.176/298PSYS-EQUINIX-THOOBEquinix OOB TelehouseASSIGNED PAJul 15, 2015[email protected]
via UK-PRT-20020911
└ 217.65.164.0/25128UNI-MARK-1Uni-Mark Internetworking ServicesASSIGNED PASep 13, 2002[email protected]
via UK-PRT-20020911
└ 217.65.164.128/2664UNI-MARK-2Uni-Mark Internetworking ServicesASSIGNED PAApr 13, 2006[email protected]
via UK-PRT-20020911
└ 217.65.164.192/2816PSYS-MONITORPRT Systems remote monitoring servers.ASSIGNED PANov 27, 2003[email protected]
via UK-PRT-20020911
└ 217.65.164.224/2816UMIS-AMUMFORDWeb ServersASSIGNED PAMay 15, 2009[email protected]
via UK-PRT-20020911
└ 217.65.164.240/2816UNI-MARK-4Uni-Mark Internetworking ServicesASSIGNED PAJun 29, 2006[email protected]
via UK-PRT-20020911
└ 217.65.165.0/24256PRTHerons Brook OfficesASSIGNED PASep 12, 2002[email protected]
via UK-PRT-20020911
└ 217.65.166.0/24256UNI-MARK-3Uni-Mark Internetworking ServicesASSIGNED PAAug 28, 2003[email protected]
via UK-PRT-20020911
└ 217.65.167.0/2664DH217Douglas Hall AssociatesASSIGNED PAApr 1, 2015[email protected]
via UK-PRT-20020911
└ 217.65.167.176/2816BNP1UMIS.netASSIGNED PAMay 19, 2009[email protected]
via UK-PRT-20020911
└ 217.65.167.192/2816DVS-SUSSEX-1Distribution Verification ServicesASSIGNED PAJun 27, 2007[email protected]
via UK-PRT-20020911
└ 217.65.167.208/2816SJB1UMIS.netASSIGNED PAAug 30, 2008[email protected]
via UK-PRT-20020911
└ 217.65.167.224/2732PSP1Property Service PartnershipASSIGNED PAApr 15, 2008[email protected]
via UK-PRT-20020911
└ 217.65.168.0/2664UMIS-TRIASTERTriaster HostingASSIGNED PAJul 15, 2015[email protected]
via UK-PRT-20020911
└ 217.65.168.128/2664CLEARHOST-SSLSSL hosting for Clearhost customersASSIGNED PASep 12, 2008[email protected]
via UK-PRT-20020911
└ 217.65.168.192/2664UNIT-NINEUnit Nine World Domination HeadquartersASSIGNED PADec 18, 2025[email protected]
via UK-PRT-20020911

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

AS8676

GB
Name
PRT Systems Limited
Type
Hosting
Registered
Feb 18, 1998
Domain
prtsystems.net.uk
Industry
Media, Publishing, and Broadcasting
Spamhaus ASN-DROP
not listed