Data as of Nov 12, 2026
64.17.48.0/21
No anonymizer space · no proxy exits in 30 daysCogent Communications, LLC
Announcements
More specific
Announcements inside
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 64.17.48.0/24 since Jun 2025 | AS14618 | Hosting | Cogent Communications, LLC | |
| 64.17.50.0/24 since Jun 2025 | AS16509 | Hosting | Cogent Communications, LLC | |
| 64.17.51.0/24 since Sep 2026 | AS16509 | Hosting | Cogent Communications, LLC |
Composition
The types across the prefix's announced space, by addresses.
Announced space
Address share
Announced space
Types across the prefix
2,048 addresses
| Type | Addresses | Share | Ranges | |
|---|---|---|---|---|
| Internet provider | 1,280 | 63% | 2 | |
| Hosting | 768 | 38% | 3 |
Network & registry
Announced by
Covering announcement 64.17.48.0/20
- Prefix
- 64.17.48.0/20
- Announced by
- AS174 Cogent Communications, LLC
- Type
- Internet provider
- RPKI
- No RPKI
- Netname
- COGENT-ARC-0001
- 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
- 2,094
Routing timeline
Who has announced 64.17.48.0/20
64.17.48.0/20
Routing history
- Pattern
- Stable
- First seen
- May 2005
- Current origin since
- May 2005 · 22 yr
- Origin networks
- 1
Whois
Registration for this announcement
- Range
- 64.
17. 48. 0/ 20 - Netname
- COGENT-ARC-0001
- 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-64-17-48-0-1
- Parent
- NET-64-0-0-0-0
- Created
- Dec 17, 1999
- RIR
- ARIN
- Country
- US
- Delegated
- Dec 17, 1999
- Status
- assigned
Report abuse
Abuse contact
- abuse@
cogentco. com - Name
- Cogent Abuse
- Phone
- +1-877-875-4311
- Handle
- COGEN-ARIN