Data as of Nov 4, 2026
36.255.92.0/23
No anonymizer space · no proxy exits in 30 daysZenlayer Inc · space held by Denis Dokleja trading as Syshead
Announcement
this exact prefix
RPKI valid
Announced by
Type
Hosting
Risk
50 / 100 · Medium
Recently moved
Recent change
New origin Aug 2026
from AS2914 NTT America, Inc.
IPv4 market
Path
Announced by AS29752 since Aug 2026 · 10 wk ago
1 · Holder
record created Mar 5, 2026 · reallocated to ORG-PC1944-RIPE Feb 19, 2026
2 · Leased from
4 · Use
Hosting
Lineage
How this block came to its use, oldest first. The whole IPv4 market →
36.255.92.0/23
From the registry to its use
- Apr 5, 2023– Jan 17, 2024
- Jan 6, 2024– Jan 29, 2024
- Sep 14, 2024– Oct 31, 2024
- Oct 20, 2024– Mar 24, 2025
- Mar 25, 2025– May 23, 2025
- Jun 17, 2025– Jul 22, 2025
- Jul 23, 2025– Dec 25, 2025
- Dec 26, 2025– Jan 18, 2026
- Jan 19, 2026– Feb 11, 2026
- Jan 31, 2026– Mar 7, 2026
- Feb 24, 2026– Jun 11, 2026
- Mar 5, 2026Registry recordDenis Dokleja trading as SysheadALLOCATED PA36.255.92.0/22
- Aug 12, 2026Route objectIPXORIPE route object for AS29752 Zenlayer Inc, maintainer NETUTILS-MNT
- Aug 12, 2026Route objectIPXORADB route object for AS29752 Zenlayer Inc, maintainer MAINT-AS834
- Aug 23, 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 |
|---|---|---|---|---|---|---|
| 36.255.92.0/22 | 1,024 | HR-SYSHEAD-20160216 | Denis Dokleja trading as Syshead (ORG-DDTA2-RIPE) · HR | ALLOCATED PA | Mar 5, 2026 | [email protected] |
| └ 36.255.92.0/23 | 512 | HR-SYSHEAD-20160216 | unknown | SUB-ALLOCATED PA | Feb 19, 2026 | [email protected] |
Network & registry
IPv4 market
Holder
- Organization
- Denis Dokleja trading as Syshead
- Handle
- ORG-DDTA2-RIPE
- Range
- 36.255.92.0/22
- Registration type
- ALLOCATED PA
- Record created
- Mar 5, 2026
- Reallocated to
- ORG-PC1944-RIPE
- Reallocated range
- 36.255.92.0/23
- Reallocation type
- SUB-ALLOCATED PA
- Reallocated
- Feb 19, 2026
Origin network
AS29752
US
- Name
- Zenlayer Inc
- Type
- Hosting
- Registered
- Mar 10, 2006
- Domain
- zenlayer.com
- Website
- www.zenlayer.com
- Industry
- Hosting and Cloud Provider
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
latest 12 of 16 stints
Summary
Routing history
- Pattern
- Rotating
- First seen
- Nov 2016
- Current origin since
- Aug 2026 · 2 mo
- Origin networks
- 11
- Last change of origin
- Aug 2026
Recorded history
History
- Stints on record
- 16
- Handoffs
- 14
Whois
Registration for this announcement
- Range
- 36.255.92.0/23
- Netname
- HR-SYSHEAD-20160216
- Registrant country
- EU
- Organization
- Not stated by the registry
- Type
- SUB-ALLOCATED PA
- Created
- Feb 19, 2026
- Updated
- Aug 12, 2026
- Maintainer
- netutils-mnt
- RIR
- RIPE NCC
- Country
- HR
- Delegated
- Feb 16, 2016
- Status
- assigned
Report abuse
Abuse contact
- [email protected]
- Name
- Private Customer
- Handle
- PC21693-RIPE