Data as of Nov 3, 2026
201.49.185.0/24
No anonymizer space · no proxy exits in 30 daysImperium T. Barreira Grande SER. Telecom LTDA
Announcement
this exact prefix
RPKI valid
Announced by
Type
Residential
Risk
30 / 100 · Medium
Recently moved
Recent change
New origin May 2026
from AS28645, after 1.7 years unannounced
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | RPKI |
|---|---|---|---|---|
| 201.49.184.0/23 since Sep 2024 | AS273497 | Residential | 99 24 always on |
Network & registry
Registry
Holder
- Organization
- Not stated by the registry
Origin network
AS273497
BR
- Name
- Imperium T. Barreira Grande SER. Telecom LTDA
- Type
- Internet provider
- Registered
- Apr 10, 2024
- Domain
- ultrafibrabg.com.br
- Website
- ultrafibrabg.com.br/
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Reactivated
- First seen
- Feb 2008
- Current origin since
- May 2026 · 6 mo
- Origin networks
- 4
- Last change of origin
- May 2026
Recorded history
History
- Handoffs
- 4
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 201.49.185.0/24 | AS273497 | /24 | LACNIC | RPKI valid |
| 201.49.184.0/23 | AS273497 | /23 | LACNIC | Too specific |
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS273497 | TC | Imperium Barreira Grande | MAINT-AS273497 | Aug 27, 2024 |
Whois
Registration for this announcement
- Range
- 201.49.184.0/23
- Netname
- 498157
- Registrant
- Imperium T. Barreira Grande SER. Telecom LTDA
- Registrant country
- BR
- Organization
- Imperium T. Barreira Grande SER. Telecom LTDA (40706344000135)
- Handle
- 201.49.184.0/23
- Created
- May 29, 2006
- RIR
- LACNIC
- Country
- BR
- Delegated
- May 29, 2006
- Status
- assigned