Data as of Nov 14, 2026
38.3.227.0/24
No anonymizer space · no proxy exits in 30 daysMsfibra Comercio EM Servicos de Informatica Eireli · space held by Cogent Communications, LLC
Announcement
this exact prefix
RPKI valid
Announced by
Type
Residential
Risk
30 / 100 · Medium
Recently moved
Recent change
New origin Aug 2026
from AS265973 R7 Telecomunicacoes Eireli ME
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 |
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@ |
| └ 38.3.227.0/24 | 256 | DINAMICA-CGNT-NET-1 | Dinamica Telecomunicacoes Ltda (C11717314) · BR | Reassigned | Sep 23, 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
AS271704
BR
- Name
- Msfibra Comercio EM Servicos de Informatica Eireli
- Type
- Internet provider
- Registered
- Apr 14, 2021
- Domain
- msfibra.com.br
- Website
- msfibra.com.br
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Rotating
- First seen
- Nov 2024
- Current origin since
- Aug 2026 · 3 mo
- Origin networks
- 4
- Last change of origin
- Aug 2026
Recorded history
History
- Handoffs
- 3
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 38.3.227.0/24 | AS271704 | /24 | ARIN | RPKI valid |
Whois
Registration for this announcement
- Range
- 38.
3. 227. 0/ 24 - Netname
- DINAMICA-CGNT-NET-1
- Registrant
- Dinamica Telecomunicacoes Ltda
- Organization
- Dinamica Telecomunicacoes Ltda (C11717314)
- Type
- Reassigned
- Handle
- NET-38-3-227-0-1
- Parent
- NET-38-0-0-0-1
- Created
- Sep 23, 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