Data as of Nov 6, 2026
103.133.72.0/23
No anonymizer space · no proxy exits in 30 daysNetsec Limited · space held by Rack Anizer Limited
Announcements
More specific
Announcements inside
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 103.133.72.0/24 since Apr 2019 | AS45753 | Hosting | Rack Anizer Limited via NETSEC | |
| 103.133.73.0/24 since Apr 2019 | AS45753 | Hosting | Rack Anizer Limited |
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 |
|---|---|---|---|---|---|---|
| 103.133.72.0/23 | 512 | RACKANIZER-HK | Rack Anizer Limited (ORG-RAL1-AP) · HK | ALLOCATED PORTABLE | — | abuse@ |
| └ 103. | 511 | NETSEC | NETSEC | ALLOCATED NON-PORTABLE | — | abuse@ |
Network & registry
Origin network
AS45753
HK
- Name
- Netsec Limited
- Type
- Hosting
- Registered
- Jun 29, 2011
- Domain
- simcentric.com
- Website
- www.simcentric.com/en/
- Industry
- Hosting and Cloud Provider
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Stable
- First seen
- Apr 2019
- Current origin since
- Apr 2019 · 7.6 yr
- Origin networks
- 2
- Last change of origin
- Jul 2020
Recorded history
History
- Handoffs
- 1
RPKI
Route origin authorizations
IRR
Route objects on the exact prefix
Whois
Registration for this announcement
- Range
- 103.
133. 72. 0/ 23 - Netname
- RACKANIZER-HK
- Registrant
- Rack Anizer Limited
- Registrant country
- HK
- Organization
- Not stated by the registry
- Type
- ALLOCATED PORTABLE
- Created
- Not stated by the registry
- Updated
- May 27, 2020
- Maintainer
- APNIC-HM
- RIR
- APNIC
- Country
- HK
- Delegated
- Jan 23, 2019
- Status
- assigned
Report abuse
Abuse contact
- abuse@
rackanizer. com - Name
- ABUSE RACKANIZERHK
- Handle
- AR797-AP