Data as of Nov 6, 2026
208.17.64.0/20
No anonymizer space · no proxy exits in 30 daysCogent Communications, LLC
Announcements
Nesting
More-specifics by size
Sized by addresses, colored by each announcement's type. Click a tile with children to zoom in, a leaf to open it.
More specific
Announcements inside
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 208.17.66.0/23 since Oct 2023 | AS19901 | Residential | Cogent Communications, LLC via Ltd Sprint FLA ANS ISP | |
| 208.17.68.0/22 since Nov 2019 | AS209 | Residential | Cogent Communications, LLC via Ltd Sprint FLA ANS ISP | |
| 208.17.73.0/24 since Oct 2023 | AS19901 | Residential | Cogent Communications, LLC via Ltd Sprint FLA ANS ISP | |
| 208.17.74.0/23 since May 2005 | AS6222 | Residential | Cogent Communications, LLC via Ltd Sprint FLA ANS ISP | |
| 208.17.76.0/22 since May 2005 | AS11398 | Residential | Cogent Communications, LLC via Ltd Sprint FLA ANS ISP | |
| 208.17.76.0/24 since May 2016 | AS209 | Residential | Cogent Communications, LLC via Ltd Sprint FLA ANS ISP | |
| 208.17.77.0/24 since May 2016 | AS209 | Residential | Cogent Communications, LLC via Ltd Sprint FLA ANS ISP | |
| 208.17.78.0/24 since May 2016 | AS209 | Residential | Cogent Communications, LLC via Ltd Sprint FLA ANS ISP |
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 | |
|---|---|---|---|---|
| Residential | 3,840 | 94% | 10 | |
| Internet provider | 256 | 6.3% | 1 |
Network & registry
Announced by
Covering announcement 208.0.0.0/11
- Prefix
- 208.0.0.0/11
- Announced by
- AS174 Cogent Communications, LLC
- Type
- Internet provider
- Proxy exits
- 606
- Always-on exits
- 179
- RPKI
- No RPKI
- Netname
- COGC
- 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 208.0.0.0/11
208.0.0.0/11
Routing history
- First seen
- Before our records
- Origin networks
- 1
Whois
Registration for this announcement
- Range
- 208.
0. 0. 0 - 208. 35. 255. 255 - Netname
- COGC
- 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-208-0-0-0-1
- Parent
- NET-208-0-0-0-0
- Created
- Mar 13, 1996
- RIR
- ARIN
- Country
- US
- Delegated
- Mar 13, 1996
- Status
- assigned
Report abuse
Abuse contact
- abuse@
cogentco. com - Name
- Cogent Abuse
- Phone
- +1-877-875-4311
- Handle
- COGEN-ARIN