Data as of Nov 3, 2026
72.11.158.0/24
No anonymizer space · no proxy exits in 30 daysCloudflare, Inc. · space held by HostPapa
Announcement
this exact prefix
RPKI valid
Announced by
Type
Hosting
Risk
50 / 100 · Medium
Recently moved
Recent change
New origin Aug 2026
from AS20473 The Constant Company, LLC
Lineage
How this block came to its use, oldest first. The whole IPv4 market →
72.11.158.0/24
From the registry to its use
- Jan 30, 2025Registry recordHostPapaDirect Allocation72.11.136.0 - 72.11.159.255
- Jul 11, 2025– Oct 2, 2025
- Jul 12, 2025ReallocatedInternet Utilities NA LLCReallocated72.11.158.0/24
- Oct 3, 2025– Dec 1, 2025
- Dec 2, 2025– Mar 31, 2026
- Apr 1, 2026– Apr 24, 2026AnnouncedAS401861 Caduceus Networks LLC
- May 19, 2026– Jun 23, 2026
- Jun 12, 2026– Jun 23, 2026
- Jul 21, 2026Route objectIPXORADB route object for AS13335 Cloudflare, Inc., maintainer MAINT-AS834
- Jul 21, 2026Route objectIPXOARIN route object for AS13335 Cloudflare, Inc., maintainer MNT-DCL-577
- Aug 23, 2026– Nov 2, 2026
- 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 |
|---|---|---|---|---|---|---|
| 72.11.136.0 - 72.11.159.255 | 6,144 | HOSTP-7 | HostPapa (HOSTP-7) · US | Direct Allocation | Jan 30, 2025 | [email protected] |
| └ 72.11.158.0/24 | 256 | IPXO-72-11-158-0 | IPXO LLC (IL-845) · US | Reallocated | Jun 17, 2025 | [email protected] |
| └ 72.11.158.0/24 | 256 | NETUTILS | Internet Utilities NA LLC (DCL-577) · US | Reallocated | Jul 12, 2025 | [email protected] |
| └ 72.11.158.0/24 | 256 | NET-72-11-158-0-24 | unknown | Reassigned | Jul 21, 2026 | [email protected] via IPXO-72-11-158-0 |
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
IPv4 market
Holder
- Organization
- HostPapa
- Handle
- HOSTP-7
- Range
- 72.11.136.0 - 72.11.159.255
- Registration type
- Direct Allocation
- Record created
- Jan 30, 2025
- Reallocated to
- Internet Utilities NA LLC (DCL-577)
- Reallocated range
- 72.11.158.0/24
- Reallocated
- Jul 12, 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
- Jul 2025
- Current origin since
- Aug 2026 · 2 mo
- Origin networks
- 6
- Last change of origin
- Aug 2026
Recorded history
History
- Handoffs
- 6
Whois
Registration for this announcement
- Range
- 72.11.158.0/24
- Netname
- NET-72-11-158-0-24
- Registrant
- Internet Utilities NA LLC
- Organization
- Internet Utilities NA LLC (DCL-577)
- Org address
- 2711 Centerville Road, Wilmington, DE, 19808
- Org country
- US
- Type
- Reassigned
- Handle
- NET-72-11-158-0-3
- Parent
- NET-72-11-158-0-2
- Created
- Jul 21, 2026
- RIR
- ARIN
- Country
- US
- Delegated
- Jan 30, 2025
- Status
- assigned
Report abuse
Abuse contact
- [email protected]
- Name
- Internet Utilities Abuse
- Phone
- +1-650-934-1667
- Handle
- IUA-ARIN