Data as of Nov 6, 2026

212.121.0.0/19

No anonymizer space · no proxy exits in 30 days

Jisc Services Limited

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

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
212.121.0.0/198,192UK-JANET-981113Jisc Services Limited (ORG-UA23-RIPE) · GBALLOCATED PAJan 6, 2015irt@jisc.ac.uk
└ 212.121.0.0/24256HERTREG-02Hertford Regional CollegeASSIGNED PAFeb 10, 2015irt@jisc.ac.uk
via UK-JANET-981113
└ 212.121.4.0/24256HERTREG-03Hertford Regional CollegeASSIGNED PAFeb 10, 2015irt@jisc.ac.uk
via UK-JANET-981113
└ 212.121.5.0/24256HERTREG-03Hertford Regional CollegeASSIGNED PAFeb 10, 2015irt@jisc.ac.uk
via UK-JANET-981113

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

Origin network

AS786

GB
Name
Jisc Services Limited
Type
Education
Registered
Sep 1, 1993
Domain
jisc.ac.uk
Website
www.jisc.ac.uk/janet
Industry
Colleges, Universities, and Professional Schools
Spamhaus ASN-DROP
not listed