Data as of Nov 8, 2026

173.203.192.0/18

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.

Range	Addresses	Netname	Holder	Type	Created	Abuse contact
173.203.0.0/16	65,536	RSCP-NET-4	Rackspace Hosting (RACKS-8) · US	Direct Allocation	Oct 2, 2009	abuse@rackspace.com
└ 173.203.232.192/27	32	RSPC-1268342648729991	unknown	—	—	—
└ 173.203.232.224/27	32	RSPC-CE053471-9FFA-4295-A7CD-02DB5781BF29	unknown	—	—	—
└ 173.203.234.128/25	128	RACKS-8-1277396765283466	unknown	—	—	—
└ 173.203.235.0/24	256	RACKS-8-1280416684255437	unknown	—	—	—
└ 173.203.236.0/24	256	RACKS-8-1282056965489472	unknown	—	—	—
└ 173.203.240.0/20	4,096	RACKS-8-2013030600000007	Rackspace Cloud Servers (C03337005) · US	Reassigned	Mar 7, 2013	abuse@rackspace.com via RSCP-NET-4

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

Origin network