Data as of Nov 9, 2026
50.57.128.0/18
No anonymizer space · no proxy exits in 30 daysRackspace Hosting
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 |
|---|---|---|---|---|---|---|
| 50. | 88,064 | RACKS-8-NET-4 | Rackspace Hosting (RACKS-8) · US | Direct Allocation | Jan 14, 2011 | abuse@ |
| └ 50.57.128.0/19 | 8,192 | RSPC-654321664654 | Slicehost (C02794583) · US | Reassigned | Jul 8, 2011 | abuse@ via RACKS-8-NET-4 |
| └ 50.57.160.0/19 | 8,192 | RSPC-654321664654112 | Slicehost (C02794584) · US | Reassigned | Jul 8, 2011 | abuse@ via RACKS-8-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.
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
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Stable
- First seen
- Aug 2017
- Current origin since
- Aug 2017 · 9.2 yr
- Origin networks
- 1
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS19994 | RADB | RACKSPACE ORD | MAINT-AS10532 | Nov 13, 2023 |
Whois
Registration for this announcement
- Range
- 50.
56. 152. 0 - 50. 57. 239. 255 - Netname
- RACKS-8-NET-4
- Registrant
- Rackspace Hosting
- Organization
- Rackspace Hosting (RACKS-8)
- Org address
- 1718 Dry Creek Way, San Antonio, TX, 78259-1837
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-50-56-152-0-1
- Parent
- NET-50-0-0-0-0
- Created
- Jan 14, 2011
- RIR
- ARIN
- Country
- US
- Delegated
- Jan 14, 2011
- Status
- assigned
Report abuse
Abuse contact
- abuse@
rackspace. com - Name
- Abuse Desk
- Phone
- +1-210-312-4000
- Handle
- ABUSE45-ARIN