Data as of Nov 13, 2026
38.4.112.0/22
No anonymizer space · no proxy exits in 30 daysTunortetv Telecomunicaciones S.A.S. · space held by Cogent Communications, LLC
Announcement
this exact prefix
RPKI valid
Announced by
Type
Residential
Risk
0 / 100 · Low
Recent change
New origin Sep 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) | 399,231 72,630 always on | 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@ |
| └ 38.4.112.0/21 | 2,048 | TNTSAS-CGNT-NET-4 | TU Nortetv Telecomunicaciones S.A.S. (C11727112) · CO | Reassigned | Oct 2, 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
AS272937
CO
- Name
- Tunortetv Telecomunicaciones S.A.S.
- Type
- Internet provider
- Registered
- Jan 19, 2023
- Domain
- tunorte.co
- Website
- tunorte.co/
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Sep 2026
- Current origin since
- Sep 2026 · 2 mo
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 38.4.112.0/21 | AS272937 | /24 | ARIN | RPKI valid |
Whois
Registration for this announcement
- Range
- 38.
4. 112. 0/ 21 - Netname
- TNTSAS-CGNT-NET-4
- Registrant
- TU Nortetv Telecomunicaciones S.A.S.
- Organization
- TU Nortetv Telecomunicaciones S.A.S. (C11727112)
- Type
- Reassigned
- Handle
- NET-38-4-112-0-1
- Parent
- NET-38-0-0-0-1
- Created
- Oct 2, 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