Data as of Nov 11, 2026
92.71.16.0/24
No anonymizer space · no proxy exits in 30 daysCastor Marine B.V. · space held by GTT Communications Inc.
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 92.71.0.0/17 since Apr 2021 | AS3257 | Internet provider | 53 | GTT Communications Inc. |
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 |
|---|---|---|---|---|---|---|
| 92. | 49,152 | US-GTTCOMMUNICATIONS-20070619 | GTT Communications Inc. (ORG-GCI2-RIPE) · US | ALLOCATED PA | Oct 31, 2022 | abuse@ |
| └ 92.71.16.0/24 | 256 | IPTNLCASTOR008 | Castor Broadcasting | ASSIGNED PA | Jun 21, 2012 | abuse@ via US-GTTCOMMUNICATIONS-20070619 |
A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.
Network & registry
IPv4 market
Holder
- Organization
- GTT Communications Inc.
- Handle
- ORG-GCI2-RIPE
- Range
- 92.
71. 0. 0 - 92. 71. 191. 255 - Registration type
- ALLOCATED PA
- Record created
- Oct 31, 2022
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
- Jun 2016
- Current origin since
- Jun 2016 · 10 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 92.71.16.0/24 | AS61429 | /24 | RIPE | RPKI valid |
| 92.71.0.0/17 | AS3257 | /17 | RIPE | Another network |
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS61429 | RIPE | Castor Holding B.V. | CASTOR-MNT | Aug 12, 2025 |
Whois
Registration for this announcement
- Range
- 92.
71. 16. 0/ 24 - Netname
- IPTNLCASTOR008
- Registrant
- Castor Broadcasting
- Registrant country
- NL
- Organization
- Castor Broadcasting
- Org country
- NL
- Type
- ASSIGNED PA
- Created
- Jun 21, 2012
- Updated
- May 17, 2019
- Maintainer
- AS286-MNT
- RIR
- RIPE NCC
- Country
- US
- Delegated
- Jun 19, 2007
- Status
- assigned
Report abuse
Abuse contact
- abuse@
gtt. net - Name
- Abuse-C Role
- Handle
- AR37017-RIPE