Data as of Nov 6, 2026
151.243.133.0/24
No anonymizer space · no proxy exits in 30 daysCloudflare, Inc. · space held by Diamond IP Brokers FZCO
IPv4 market
Path
2 · Leased from
4 · Use
Hosting
Lineage
How this block came to its use, oldest first. The whole IPv4 market →
151.243.133.0/24
From the registry to its use
- Dec 12, 2024ReallocatedDiamond IP Brokers FZCOSUB-ALLOCATED PA151.243.128.0/17
- Jun 10, 2025Registry recordDiamond IP Brokers FZCOALLOCATED PA151.240.0.0/13
- Jun 19, 2025AssignedPrime Formation GmbHASSIGNED PA151.243.133.0/24
- Aug 12, 2025Route objectIPXORIPE route object for AS205634 Prime Formation GmbH, maintainer NETUTILS-MNT
- Sep 9, 2025– Oct 2, 2025
- Oct 1, 2025Route objectIPXORIPE route object for AS13335 Cloudflare, Inc., maintainer IPXO-MNT NETUTILS-MNT
- Oct 1, 2025Route objectIPXORIPE route object for AS209242 Cloudflare London, LLC, maintainer IPXO-MNT NETUTILS-MNT
- Dec 2, 2025– today
- todayLeased fromIPXOIP broker
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 |
|---|---|---|---|---|---|---|
| 151.240.0.0/13 | 524,288 | AE-DIAMOND-20120815 | Diamond IP Brokers FZCO (ORG-DIBF1-RIPE) · AE | ALLOCATED PA | Jun 10, 2025 | abuse@ |
| └ 151.243.128.0/17 | 32,768 | NET-5G-MOBILITY | Diamond IP Brokers FZCO (ORG-DIBF1-RIPE) · AE | SUB-ALLOCATED PA | Dec 12, 2024 | report@ |
| └ 151.243.133.0/24 | 256 | NET-151-243-133-0-24 | Prime Formation GmbH (ORG-PFG6-RIPE) · DE | ASSIGNED PA | Jun 19, 2025 | report@ |
Network & registry
IPv4 market
Holder
- Organization
- Diamond IP Brokers FZCO
- Handle
- ORG-DIBF1-RIPE
- Range
- 151.
240. 0. 0/ 13 - Registration type
- ALLOCATED PA
- Record created
- Jun 10, 2025
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
- Rotating
- First seen
- Sep 2025
- Current origin since
- Dec 2025 · 11 mo
- Origin networks
- 2
- Last change of origin
- Dec 2025
Recorded history
History
- Handoffs
- 1
RPKI
Route origin authorizations
Whois
Registration for this announcement
- Range
- 151.
243. 133. 0/ 24 - Netname
- NET-151-243-133-0-24
- Registrant
- Prime Formation GmbH
- Registrant country
- DE
- Organization
- Prime Formation GmbH (ORG-PFG6-RIPE)
- Org country
- DE
- Type
- ASSIGNED PA
- Created
- Jun 19, 2025
- Updated
- Sep 23, 2025
- Maintainer
- netutils-mnt
- RIR
- RIPE NCC
- Country
- AE
- Delegated
- Aug 15, 2012
- Status
- assigned
Report abuse
Abuse contact
- report@
abuseradar. com - Name
- Prime Formation GmbH
- Handle
- PFG36-RIPE