Data as of Nov 14, 2026
38.4.152.0/21
No anonymizer space · no proxy exits in 30 daysColombiatel Telecomunicaciones · space held by Cogent Communications, LLC
Announcement
this exact prefix
RPKI valid
Announced by
Type
Residential
Recent change
New origin Oct 10, 2026
its first announcement on record
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) | 397,758 74,175 always on | Cogent Communications, LLC |
More specific
Announcements inside
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 38.4.152.0/24 since Oct 10, 2026 | AS266877 | Residential | Cogent Communications, LLC | |
| 38.4.154.0/24 since Oct 10, 2026 | AS266877 | Residential | Cogent Communications, LLC | |
| 38.4.155.0/24 since Oct 10, 2026 | AS266877 | Residential | Cogent Communications, LLC | |
| 38.4.156.0/24 since Oct 10, 2026 | AS266877 | Residential | 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 |
|---|---|---|---|---|---|---|
| 38.0.0.0/8 | 16,777,216 | COGENT-A | Cogent Communications, LLC (COGC) · US | Direct Allocation | Apr 16, 1991 | abuse@ |
| └ 38.4.152.0/21 | 2,048 | COLOMBIATEL-CGNT-NET-1 | Colombiatel Telecomunicaciones (C11733517) · CO | Reassigned | Oct 9, 2026 | 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
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
AS266877
CO
- Name
- Colombiatel Telecomunicaciones
- Type
- Internet provider
- Registered
- Aug 7, 2018
- Domain
- colombiatel.co
- Website
- www.colombiatel.co
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Oct 10, 2026
- Current origin since
- Oct 10, 2026 · 1 mo
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 38.4.152.0/21 | AS266877 | /24 | ARIN | RPKI valid |
IRR
Route objects on the exact prefix
IRR inside
Route objects inside
| Prefix | Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|---|
| 38.4.153.0/24 | AS266877 | ARIN | Registered for Cogent Communications Customer - COLOMBIATEL TELECOMUNICACIONES | MNT-COGC | Oct 16, 2026 |
| 38.4.157.0/24 | AS266877 | ARIN | Registered for Cogent Communications Customer - COLOMBIATEL TELECOMUNICACIONES | MNT-COGC | Oct 16, 2026 |
| 38.4.158.0/24 | AS266877 | ARIN | Registered for Cogent Communications Customer - COLOMBIATEL TELECOMUNICACIONES | MNT-COGC | Oct 16, 2026 |
| 38.4.159.0/24 | AS266877 | ARIN | Registered for Cogent Communications Customer - COLOMBIATEL TELECOMUNICACIONES | MNT-COGC | Oct 16, 2026 |
Whois
Registration for this announcement
- Range
- 38.
4. 152. 0/ 21 - Netname
- COLOMBIATEL-CGNT-NET-1
- Registrant
- Colombiatel Telecomunicaciones
- Organization
- Colombiatel Telecomunicaciones (C11733517)
- Type
- Reassigned
- Handle
- NET-38-4-152-0-1
- Parent
- NET-38-0-0-0-1
- Created
- Oct 9, 2026
- 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