Data as of Nov 3, 2026
149.78.154.0/24
No anonymizer space · no proxy exits in 30 daysFiberar SRL · space held by Cogent Communications, LLC
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 149.78.152.0/21 since Dec 2025 | AS274181 | Residential | 78 76 always on | Cogent Communications, LLC via FiberAR | |
| 149.78.0.0/16 since Oct 2020 | AS174 | Internet provider | 2,616 347 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 |
|---|---|---|---|---|---|---|
| 149.78.0.0/16 | 65,536 | COGENT-149-78-16 | Cogent Communications, LLC (COGC) · US | Direct Allocation | Jan 28, 1992 | [email protected] |
| └ 149.78.144.0/20 | 4,096 | FIBERAR-CGNT-NET-1 | FiberAR (FS-847) · AR | Reallocated | Feb 4, 2026 | [email protected] |
Network & registry
IPv4 market
Holder
- Organization
- Cogent Communications, LLC
- Handle
- COGC
- Range
- 149.78.0.0/16
- Registration type
- Direct Allocation
- Record created
- Jan 28, 1992
- Legacy
- yes
- Reallocated to
- FiberAR (FS-847)
- Reallocated range
- 149.78.144.0/20
- Reallocated
- Feb 4, 2026
Origin network
AS274181
AR
- Name
- Fiberar SRL
- Type
- Internet provider
- Registered
- Aug 7, 2025
- Domain
- fiberar.ar
- Website
- www.fiberar.ar
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Dec 2025
- Current origin since
- Dec 2025 · 11 mo
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 149.78.144.0/20 | AS274181 | /24 | ARIN | RPKI valid |
Whois
Registration for this announcement
- Range
- 149.78.144.0/20
- Netname
- FIBERAR-CGNT-NET-1
- Registrant
- FiberAR
- Organization
- FiberAR (FS-847)
- Org address
- Cafayate 320, Banfield Oeste, Buenos Aires, B1832
- Org country
- AR
- Type
- Reallocated
- Handle
- NET-149-78-144-0-1
- Parent
- NET-149-78-0-0-1
- Created
- Feb 4, 2026
- RIR
- ARIN
- Country
- US
- Delegated
- Jan 28, 1992
- Status
- assigned
Report abuse
Abuse contact
- [email protected]
- Name
- Admin
- Phone
- +0111556552590
- Handle
- ADMIN9249-ARIN