Data as of Nov 10, 2026
154.3.74.0/24
No anonymizer space · no proxy exits in 30 daysCore Winner CO.,LIMITED Taiwan Branch
Announcement
this exact prefix
RPKI valid
Announced by
Type
Hosting
Risk
50 / 100 · Medium
Recent change
New origin Nov 10, 2026
its first announcement on record
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 154.3.0.0/16 since Sep 2006 | AS174 | Internet provider | 433 212 always on | Cogent Communications, LLC |
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 |
|---|---|---|---|---|---|---|
| 154.3.0.0/16 | 65,536 | COGENT-154-3-16 | Cogent Communications, LLC (COGC) · US | Direct Allocation | Feb 5, 1992 | abuse@ |
Network & registry
Origin network
AS131646
TW
- Name
- Core Winner CO.,LIMITED Taiwan Branch
- Type
- Hosting
- Registered
- Jul 21, 2011
- Domain
- corewinner.com
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Nov 10, 2026
- Current origin since
- Nov 10, 2026 · under a month
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 154.3.74.0/23 | AS131646 | /24 | ARIN | RPKI valid |
Whois
Registration for this announcement
154.3.74.0/24 spans several registrations: 1 records are listed under Registrations.
- RIR
- ARIN
- Country
- US
- Delegated
- Feb 5, 1992
- Status
- assigned