Data as of Nov 5, 2026
159.253.136.0/21
No anonymizer space · no proxy exits in 30 daysIBM Cloud · space held by IBM Cloud International B.V.
Network & registry
Origin network
AS36351
US
- Name
- IBM Cloud
- Type
- Hosting
- Registered
- Dec 12, 2005
- Domain
- ibm.com
- Website
- www.ibm.com/cloud
- Industry
- Software Development
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Stable
- First seen
- Jul 2025
- Current origin since
- Jul 2025 · 1.3 yr
- Origin networks
- 1
Whois
Registration for this announcement
- Range
- 159.
253. 128. 0/ 19 - Netname
- NL-SOFTLAYER-EU-20110921
- Registrant
- IBM Cloud International B.V.
- Registrant country
- NL
- Organization
- IBM Cloud International B.V. (ORG-SDHB1-RIPE)
- Org country
- NL
- Type
- ALLOCATED PA
- Created
- Sep 21, 2011
- Updated
- May 24, 2016
- Maintainer
- RIPE-NCC-HM-MNT
- RIR
- RIPE NCC
- Country
- NL
- Delegated
- Sep 21, 2011
- Status
- assigned
Report abuse
Abuse contact
- abuse@
softlayer. com - Name
- SoftLayer Abuse Dept
- Handle
- SLAB