Data as of Nov 9, 2026
154.51.249.0/24
No anonymizer space · no proxy exits in 30 daysHudson River Trading LLC · space held by Cogent Communications, LLC
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | RPKI |
|---|---|---|---|---|
| 154.48.0.0/12 since May 2005 | AS174 | Internet provider | 12,881 2,432 always on |
Network & registry
Origin network
AS40827
US
- Name
- Hudson River Trading LLC
- Type
- Business
- Registered
- Apr 25, 2008
- Domain
- hudson-trading.com
- Industry
- Service
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Sep 2025
- Current origin since
- Sep 2025 · 1.2 yr
- Origin networks
- 1
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS40827 | RADB | Registered for Cogent Communications Customer - Hudson River Trading Europe Ltd | MAINT-AS174 | Sep 15, 2025 |
Whois
Registration for this announcement
- Range
- 154.
51. 0. 0/ 16 - Netname
- COGENT-154-51-16
- Registrant
- Cogent Communications, LLC
- Organization
- Cogent Communications, LLC (COGC)
- Org address
- 2450 N Street NW, Washington, DC, 20037
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-154-51-0-0-1
- Parent
- NET-154-0-0-0-0
- Created
- Feb 5, 1992
- RIR
- ARIN
- Country
- US
- Delegated
- Feb 5, 1992
- Status
- assigned
Report abuse
Abuse contact
- abuse@
cogentco. com - Name
- Cogent Abuse
- Phone
- +1-877-875-4311
- Handle
- COGEN-ARIN