Data as of Nov 10, 2026
38.125.107.0/24
No anonymizer space · no proxy exits in 30 daysCastor Marine B.V. · space held by Cogent Communications, LLC
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Leased from | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|---|
| 38.0.0.0/8 | AS174 | Internet provider | IP broker Rackdog (part) | 401,849 78,907 always on | Cogent Communications, LLC |
Network & registry
Origin network
AS61429
NL
- Name
- Castor Marine B.V.
- Type
- Internet provider
- Registered
- Oct 12, 2012
- Domain
- castornetworks.com
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Aug 2019
- Current origin since
- Aug 2019 · 7.2 yr
- Origin networks
- 1
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS61429 | RADB | Route Registered for Cogent Communications Customer Castor Networks BV | MAINT-AS174 | Nov 13, 2023 |
Whois
Registration for this announcement
- Range
- 38.
0. 0. 0/ 8 - Netname
- COGENT-A
- 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-38-0-0-0-1
- Created
- Apr 16, 1991
- RIR
- ARIN
- Country
- US
- Delegated
- Apr 16, 1991
- Status
- assigned
Report abuse
Abuse contact
- abuse@
cogentco. com - Name
- Cogent Abuse
- Phone
- +1-877-875-4311
- Handle
- COGEN-ARIN