Data as of Nov 12, 2026
151.243.181.0/24
5 residential-proxy exits · 30 daysHostkey B.V. · space held by Diamond IP Brokers FZCO
Announcement
this exact prefix
RPKI valid
Announced by
Type
Hosting
Recent change
New origin May 2026
from AS214654
Residential-proxy exits
Proxy exits
5
2.0% of its addresses · 30 days
Oct 13, 2026 – Nov 11, 2026
Exits seen per day
53 observations
IPv4 market
Path
Announced by AS57043 since May 2026 · 5 mo ago
1 · Holder
record created Jun 10, 2025 · reallocated to Internet Utilities Europe and Asia Limited Feb 3, 2025
2 · Leased from
4 · Use
Hosting
Lineage
How this block came to its use, oldest first. The whole IPv4 market →
151.243.181.0/24
From the registry to its use
- Feb 3, 2025ReallocatedInternet Utilities Europe and Asia LimitedSUB-ALLOCATED PA151.243.176.0/21
- Jun 10, 2025Registry recordDiamond IP Brokers FZCOALLOCATED PA151.240.0.0/13
- Oct 15, 2025– Dec 1, 2025Announced
- Mar 31, 2026AssignedHostkey B.V.ASSIGNED PA151.243.181.0/24
- Mar 31, 2026Route objectIPXORIPE route object for AS57043 Hostkey B.V., maintainer NETUTILS-MNT
- Apr 1, 2026Route objectIPXORADB route object for AS57043 Hostkey B.V., maintainer MAINT-AS834
- May 31, 2026– 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@ |
| └ 151.243.176.0/21 | 2,048 | SuperOnline | Internet Utilities Europe and Asia Limited (ORG-IL687-RIPE) · GB | SUB-ALLOCATED PA | Feb 3, 2025 | report@ |
| └ 151.243.181.0/24 | 256 | NET-151-243-181-0-24 | Hostkey B.V. (ORG-HB183-RIPE) · NL | ASSIGNED PA | Mar 31, 2026 | 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
- Reallocated to
- Internet Utilities Europe and Asia Limited (ORG-IL687-RIPE)
- Reallocated range
- 151.
243. 176. 0/ 21 - Reallocation type
- SUB-ALLOCATED PA
- Reallocated
- Feb 3, 2025
Origin network
AS57043
NL
- Name
- Hostkey B.V.
- Type
- Hosting
- Registered
- Jul 7, 2011
- Domain
- hostkey.com
- Website
- www.hostkey.com
- Industry
- Hosting and Cloud Provider
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Rotating
- First seen
- Oct 2025
- Current origin since
- May 2026 · 5 mo
- Origin networks
- 2
- Last change of origin
- May 2026
Recorded history
History
- Handoffs
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 151.243.181.0/24 | AS57043 | /24 | RIPE | RPKI valid |
| 151.243.176.0/21 | AS834 | /24 | RIPE | Another network |
Whois
Registration for this announcement
- Range
- 151.
243. 181. 0/ 24 - Netname
- NET-151-243-181-0-24
- Registrant
- Hostkey B.V.
- Registrant country
- IS
- Organization
- Hostkey B.V. (ORG-HB183-RIPE)
- Org country
- NL
- Type
- ASSIGNED PA
- Created
- Mar 31, 2026
- Updated
- Jun 9, 2026
- Maintainer
- netutils-mnt
- RIR
- RIPE NCC
- Country
- AE
- Delegated
- Aug 15, 2012
- Status
- assigned
Report abuse
Abuse contact
- report@
abuseradar. com - Name
- HOSTKEY B.V.
- Handle
- HB8279-RIPE