Data as of Nov 12, 2026
103.151.44.0/24
No anonymizer space · no proxy exits in 30 daysSERVERSTEP · space held by Shen Zhen AI Tong Tong Technology Limited
Lineage
How this block came to its use, oldest first. The whole IPv4 market →
103.151.44.0/24
From the registry to its use
- Jun 7, 2020– Dec 15, 2020
- Jan 21, 2021– Feb 28, 2025AnnouncedAS136950 Hong Kong FireLine Network LTD
- Aug 13, 2021– Aug 24, 2021
- Aug 16, 2025– Sep 20, 2025AnnouncedAS147261 Durga Data Network Service
- Sep 21, 2025– Nov 7, 2025
- Oct 27, 2025– Nov 11, 2026
- Oct 30, 2025Route objectIPXORADB route object for AS153786 SERVERSTEP, maintainer MAINT-AS834
- todayRegistry recordShen Zhen AI Tong Tong Technology LimitedALLOCATED PORTABLE103.151.44.0/23
- todayReallocatedURLStart DatacenterALLOCATED NON-PORTABLE103.151.44.0/24
- todayRoute objectAS153786 SERVERSTEPAPNIC route object for AS153786 SERVERSTEP, maintainer MAINT-ATTCAM-CN
- 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 |
|---|---|---|---|---|---|---|
| 103.151.44.0/23 | 512 | ATTCAM-CN | Shen Zhen AI Tong Tong Technology Limited (ORG-SZAT1-AP) · CN | ALLOCATED PORTABLE | — | ipadmin@ |
| └ 103.151.44.0/24 | 256 | URLStart-Datacenter | URLStart Datacenter | ALLOCATED NON-PORTABLE | — | ipadmin@ |
Network & registry
Registry
Holder
- Organization
- Shen Zhen AI Tong Tong Technology Limited
- Handle
- ORG-SZAT1-AP
- Range
- 103.
151. 44. 0/ 23 - Registration type
- ALLOCATED PORTABLE
- Reallocated to
- URLStart Datacenter
- Reallocated range
- 103.
151. 44. 0/ 24 - Reallocation type
- ALLOCATED NON-PORTABLE
Origin network
AS153786
IN
- Name
- SERVERSTEP
- Type
- Hosting
- Registered
- Apr 15, 2025
- Domain
- serverstep.org
- Industry
- Hosting, Cloud Provider, Data Center, Server Colocation
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Rotating
- First seen
- Jun 2020
- Current origin since
- Oct 2025 · 1.0 yr
- Origin networks
- 5
- Last change of origin
- Oct 2025
Recorded history
History
- Handoffs
- 5
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 103.151.44.0/24 | AS153786 | /24 | APNIC | RPKI valid |
Whois
Registration for this announcement
- Range
- 103.
151. 44. 0/ 24 - Netname
- URLStart-Datacenter
- Registrant
- URLStart Datacenter
- Registrant country
- IN
- Organization
- URLStart Datacenter
- Org country
- IN
- Type
- ALLOCATED NON-PORTABLE
- Created
- Not stated by the registry
- Updated
- Aug 23, 2025
- Maintainer
- MAINT-NETUTILS-AP
- RIR
- APNIC
- Country
- CN
- Delegated
- May 7, 2020
- Status
- assigned
Report abuse
Abuse contact
- ipadmin@
xn. net - Name
- ABUSE ATTCAMCN
- Handle
- AA2152-AP