Data as of Nov 7, 2026
216.28.48.0/20
No anonymizer space · no proxy exits in 30 daysCogent Communications, LLC
Announcements
More specific
Announcements inside
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 216.28.59.0/24 since Oct 22, 2026 | AS267834 | Residential | Cogent Communications, LLC |
Composition
The types across the prefix's announced space, by addresses.
Announced space
Address share
Announced space
Types across the prefix
4,096 addresses
| Type | Addresses | Share | Ranges | |
|---|---|---|---|---|
| Internet provider | 3,840 | 94% | 2 | |
| Residential | 256 | 6.3% | 1 |
Network & registry
Announced by
Covering announcement 216.28.0.0/15
- Prefix
- 216.28.0.0/15
- Announced by
- AS174 Cogent Communications, LLC
- Type
- Internet provider
- Proxy exits
- 3,382
- Always-on exits
- 835
- RPKI
- No RPKI
- Netname
- COGENT-FNSI-0005
- Registrant
- Cogent Communications, LLC
- RIR
- ARIN
Origin network
AS174
US
- Name
- Cogent Communications, LLC
- Type
- Internet provider
- Registered
- May 16, 1996
- Domain
- cogentco.com
- Website
- www.cogentco.com/
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
- VPN servers
- 1,658
Routing timeline
Who has announced 216.28.0.0/15
216.28.0.0/15
Routing history
- Pattern
- Stable
- First seen
- May 2005
- Current origin since
- May 2005 · 21 yr
- Origin networks
- 1
IRR
Route objects on 216.28.0.0/15
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS174 | RADB | Cogent | MAINT-AS174 | Nov 13, 2023 |
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