Data as of Nov 7, 2026
216.28.204.0/23
No anonymizer space · no proxy exits in 30 daysTriade Fibra · space held by Cogent Communications, LLC
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 216.28.0.0/15 since May 2005 | AS174 | Internet provider | 3,382 835 always on | Cogent Communications, LLC |
More specific
Announcements inside
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 216.28.204.0/24 since Feb 2026 | AS52762 | Residential | Cogent Communications, LLC | |
| 216.28.205.0/24 since Feb 2026 | AS52762 | Residential | Cogent Communications, LLC |
Network & registry
Announced by
Covering announcement 216.28.200.0/21
- Prefix
- 216.28.200.0/21
- Announced by
- AS52762 Triade Fibra
- Type
- Residential
- RPKI
- RPKI valid
- Netname
- COGENT-FNSI-0005
- Registrant
- Cogent Communications, LLC
- RIR
- ARIN
Origin network
AS52762
BR
- Name
- Triade Fibra
- Type
- Internet provider
- Registered
- Sep 4, 2012
- Domain
- triadefibra.com.br
- Website
- triadefibra.com.br/
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
216.28.200.0/21
Routing history
- Pattern
- Stable
- First seen
- Oct 2025
- Current origin since
- Oct 2025 · 1.0 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 216.28.200.0/21 | AS52762 | /24 | ARIN | RPKI valid |
Whois
Registration for this announcement
- Range
- 216.
28. 0. 0/ 15 - Netname
- COGENT-FNSI-0005
- 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-216-28-0-0-1
- Parent
- NET-216-0-0-0-0
- Created
- Jul 17, 1998
- RIR
- ARIN
- Country
- US
- Delegated
- Jul 17, 1998
- Status
- assigned
Report abuse
Abuse contact
- abuse@
cogentco. com - Name
- Cogent Abuse
- Phone
- +1-877-875-4311
- Handle
- COGEN-ARIN