Data as of Nov 4, 2026

173.45.240.0/21

No anonymizer space · no proxy exits in 30 days

Rackspace Hosting

Announcement
this exact prefix
No RPKI
Announced by
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
173.45.224.0/198,192SLICE-STL-SHRackspace Hosting (RACKS-8) · USDirect AllocationOct 13, 2008[email protected]
└ 173.45.240.0/221,024RACKS-8-4608467763634606783031-0406805Rackspace (C05836273) · USReassignedJul 22, 2015[email protected]
via SLICE-STL-SH
└ 173.45.244.0/221,024RACKS-8-20687410541065406570946-064684Rackspace (C05836274) · USReassignedJul 22, 2015[email protected]
via SLICE-STL-SH

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

AS19994

US
Name
Rackspace Hosting
Type
Hosting
Registered
Jan 15, 2010
Domain
rackspace.com
Industry
Hosting and Cloud Provider
Spamhaus ASN-DROP
not listed