Data as of Nov 6, 2026
187.54.56.0/24
No anonymizer space · no proxy exits in 30 daysCaelus Technology LLC · space held by Ctcsci Tech Limited
Announcement
this exact prefix
RPKI valid
Announced by
Type
Hosting
Risk
50 / 100 · Medium
Recent change
New origin Nov 3, 2026
its first announcement on record
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 187.54.56.0/23 since Nov 3, 2026 | AS1405 | Hosting | Ctcsci Tech Limited |
Network & registry
Origin network
AS1405
US
- Name
- Caelus Technology LLC
- Type
- Hosting
- Registered
- Oct 15, 2025
- Domain
- caelustech.net
- Website
- caelustech.net
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Nov 3, 2026
- Current origin since
- Nov 3, 2026 · under a month
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 187.54.56.0/23 | AS1405 | /24 | APNIC | RPKI valid |
| 187.54.56.0/23 | AS400618 | /24 | APNIC | Another network |
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS1405 | RADB | Customer Prefix | MAINT-AS7356 | Oct 26, 2026 |
Whois
Registration for this announcement
- Range
- 187.
54. 48. 0/ 20 - Netname
- CTCSCITECHLIMITED-HK
- Registrant
- Ctcsci Tech Limited
- Registrant country
- HK
- Organization
- Not stated by the registry
- Type
- ALLOCATED PORTABLE
- Created
- Not stated by the registry
- Updated
- May 13, 2026
- Maintainer
- APNIC-HM
- RIR
- APNIC
- Country
- HK
- Delegated
- Mar 13, 2025
- Status
- assigned
Report abuse
Abuse contact
- abuse@
ctcsci. com - Name
- ABUSE CTCSCITECHLIMITEDHK
- Handle
- AC2739-AP