Data as of Nov 6, 2026
204.157.136.0/24
No anonymizer space · no proxy exits in 30 daysLinkfort Telecom LTDA ME · space held by Cogent Communications, LLC
Announcement
this exact prefix
No RPKI
Announced by
Type
Residential
Risk
30 / 100 · Medium
Recently moved
Recent change
New origin Sep 2026
from AS174 Cogent Communications, LLC
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 204.157.0.0/16 since Jun 2005 | AS174 | Internet provider | 5,362 1,608 always on | Cogent Communications, LLC |
Network & registry
Origin network
AS264209
BR
- Name
- Linkfort Telecom LTDA ME
- Type
- Internet provider
- Registered
- Apr 10, 2015
- Domain
- linkfort.com.br
- Website
- www.linkfort.com.br
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Rotating
- First seen
- Oct 2022
- Current origin since
- Sep 2026 · 2 mo
- Origin networks
- 4
- Last change of origin
- Sep 2026
Recorded history
History
- Handoffs
- 4
Whois
Registration for this announcement
- Range
- 204.
157. 0. 0/ 16 - Netname
- COGENT-204-157-16
- Registrant
- Cogent Communications, LLC
- Organization
- Cogent Communications, LLC (COGC)
- Org address
- 2450 N Street NW, Washington, DC, 20037
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-204-157-0-0-1
- Parent
- NET-204-0-0-0-0
- Created
- Sep 21, 1994
- RIR
- ARIN
- Country
- US
- Delegated
- Sep 21, 1994
- Status
- assigned
Report abuse
Abuse contact
- abuse@
cogentco. com - Name
- Cogent Abuse
- Phone
- +1-877-875-4311
- Handle
- COGEN-ARIN