Data as of Nov 5, 2026
103.31.4.0/24
No anonymizer space · no proxy exits in 30 daysCloudflare, Inc. · reallocated from Cloudflare Sydney, LLC
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 |
|---|---|---|---|---|---|---|
| 103.31.4.0/22 | 1,024 | CSL-AP | Cloudflare Sydney, LLC (ORG-CSL5-AP) · US | ALLOCATED PORTABLE | — | abuse@ |
| └ 103.31.4.0/24 | 256 | CLOUDFLARE_ | Cloudflare, Inc. | ALLOCATED NON-PORTABLE | — | abuse@ |
Network & registry
Registry
Holder
- Organization
- Cloudflare Sydney, LLC
- Handle
- ORG-CSL5-AP
- Range
- 103.
31. 4. 0/ 22 - Registration type
- ALLOCATED PORTABLE
- Reallocated to
- Cloudflare, Inc.
- Reallocated range
- 103.
31. 4. 0/ 24 - Reallocation type
- ALLOCATED NON-PORTABLE
Origin network
AS13335
US
- Name
- Cloudflare, Inc.
- Type
- Hosting
- Registered
- Jul 14, 2010
- Domain
- cloudflare.com
- Website
- www.cloudflare.com
- Industry
- Hosting and Cloud Provider
- Spamhaus ASN-DROP
- not listed
- VPN servers
- 14
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Reactivated
- First seen
- May 2013
- Current origin since
- Aug 2025 · 1.2 yr
- Origin networks
- 2
- Last change of origin
- Aug 2025
Recorded history
History
- Handoffs
- 2
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 103.31.4.0/24 | AS13335 | /24 | APNIC | RPKI valid |
| 103.31.4.0/23 | AS13335 | /23 | APNIC | Too specific |
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS13335 | APNIC | Cloudflare Sydney, LLC | MAINT-CLOUDFLARE-AP | Jun 10, 2020 |
Whois
Registration for this announcement
- Range
- 103.
31. 4. 0/ 24 - Netname
- CLOUDFLARE_
103_ 31_ 4_ 0 - Registrant
- Cloudflare, Inc.
- Registrant country
- US
- Organization
- Cloudflare, Inc.
- Org country
- US
- Type
- ALLOCATED NON-PORTABLE
- Created
- Not stated by the registry
- Updated
- Jan 13, 2021
- Maintainer
- MAINT-CLOUDFLARE-AP
- RIR
- APNIC
- Country
- US
- Delegated
- Nov 16, 2012
- Status
- assigned
Report abuse
Abuse contact
- abuse@
cloudflare. com - Name
- ABUSE CSLAP
- Handle
- AC1913-AP