Data as of Nov 13, 2026
38.253.76.0/24
No anonymizer space · no proxy exits in 30 daysCaldas Data Company LTDA · 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) | 398,658 73,038 always on | Cogent Communications, LLC |
Registrations in this block
The registry's network records over this block, widest first, each under its parent.
| Range | Addresses | Netname | Holder | Type | Created | Abuse contact |
|---|---|---|---|---|---|---|
| 38.0.0.0/8 | 16,777,216 | COGENT-A | Cogent Communications, LLC (COGC) · US | Direct Allocation | Apr 16, 1991 | abuse@ |
| └ 38.253.76.0/22 | 1,024 | CDCL3-CGNT-NET-1 | Caldas Data Company LTDA / CAdcom (C10001294) · CO | Reassigned | Aug 17, 2023 | abuse@ via COGENT-A |
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
Announced by
Covering announcement 38.253.76.0/22
- Prefix
- 38.253.76.0/22
- Announced by
- AS265693 Caldas Data Company LTDA
- Type
- Residential
- Proxy exits
- 50
- Always-on exits
- 37
- RPKI
- RPKI valid
- Netname
- CDCL3-CGNT-NET-1
- Registrant
- Caldas Data Company LTDA / CAdcom
- RIR
- ARIN
IPv4 market
Holder
- Organization
- Cogent Communications, LLC
- Handle
- COGC
- Range
- 38.
0. 0. 0/ 8 - Registration type
- Direct Allocation
- Record created
- Apr 16, 1991
- Legacy
- yes
Origin network
AS265693
CO
- Name
- Caldas Data Company LTDA
- Type
- Internet provider
- Registered
- Mar 31, 2017
- Domain
- cadcom.co
- Website
- www.cadcom.co
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
38.253.76.0/22
Routing history
- Pattern
- Stable
- First seen
- Jan 2026
- Current origin since
- Jan 2026 · 10 mo
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 38.253.76.0/22 | AS265693 | /24 | ARIN | RPKI valid |
IRR
Route objects on 38.253.76.0/22
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS265693 | ARIN | Route Registered for Cogent Communications Customer - Caldas Data Company LTDA / CAdcom | MNT-COGC | Feb 6, 2026 |
Whois
Registration for this announcement
- Range
- 38.
253. 76. 0/ 22 - Netname
- CDCL3-CGNT-NET-1
- Registrant
- Caldas Data Company LTDA / CAdcom
- Organization
- Caldas Data Company LTDA / CAdcom (C10001294)
- Type
- Reassigned
- Handle
- NET-38-253-76-0-1
- Parent
- NET-38-0-0-0-1
- Created
- Aug 17, 2023
- 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