Data as of Nov 11, 2026
52.128.252.0/22
No anonymizer space · no proxy exits in 30 daysNetsec Limited
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 52.128.224.0/19 | AS963 | Hosting | 14 | Netsec Limited |
More specific
Announcements inside
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 52.128.252.0/24 since Sep 2017 | AS45753 | Hosting | Netsec Limited | |
| 52.128.253.0/24 since Apr 2018 | AS45753 | Hosting | Netsec Limited | |
| 52.128.254.0/24 since Sep 2017 | AS45753 | Hosting | Netsec Limited |
Network & registry
Announced by
Covering announcement 52.128.248.0/21
- Prefix
- 52.128.248.0/21
- Announced by
- AS45753 Netsec Limited
- Type
- Hosting
- RPKI
- RPKI invalid (length)
- Netname
- NETSEC-HK
- Registrant
- Netsec Limited
- RIR
- APNIC
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
Covering aggregate above, the prefix's own history below
52.128.248.0/21
Routing history
- First seen
- Before our records
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 52.128.224.0/19 | AS963 | /24 | APNIC | Another network |
| 52.128.224.0/19 | AS9744 | /24 | APNIC | Another network |
| 52.128.224.0/19 | AS45753 | /19 | APNIC | Too specific |
Whois
Registration for this announcement
- Range
- 52.
128. 224. 0/ 19 - Netname
- NETSEC-HK
- Registrant
- Netsec Limited
- Registrant country
- HK
- Organization
- Not stated by the registry
- Type
- ALLOCATED PORTABLE
- Created
- Not stated by the registry
- Updated
- Mar 14, 2025
- Maintainer
- APNIC-HM
- RIR
- APNIC
- Country
- HK
- Delegated
- Dec 19, 1991
- Status
- assigned
Report abuse
Abuse contact
- abuse@
netsec. com - Name
- ABUSE HKNETSEC
- Handle
- AH1002-AP