Data as of Nov 8, 2026
208.0.249.0/24
No anonymizer space · no proxy exits in 30 daysCogent Communications, LLC
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 208.0.0.0/11 | AS174 | Internet provider | 611 181 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 |
|---|---|---|---|---|---|---|
| 208. | 2,359,296 | COGC | Cogent Communications, LLC (COGC) · US | Direct Allocation | Mar 13, 1996 | abuse@ |
| └ 208.0.249.0/24 | 256 | SPRINTLINK | The National Academies (THENA-1) · US | Reassigned | Apr 18, 2005 | — |
Network & registry
IPv4 market
Holder
- Organization
- Cogent Communications, LLC
- Handle
- COGC
- Range
- 208.
0. 0. 0 - 208. 35. 255. 255 - Registration type
- Direct Allocation
- Record created
- Mar 13, 1996
- Legacy
- yes
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
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Mar 2024
- Current origin since
- Mar 2024 · 2.7 yr
- Origin networks
- 1
Whois
Registration for this announcement
- Range
- 208.
0. 249. 0/ 24 - Netname
- SPRINTLINK
- Registrant
- The National Academies
- Organization
- The National Academies (THENA-1)
- Org address
- 2101 Constitution Avenue, NW, Washington DC, DC, 20418
- Org country
- US
- Type
- Reassigned
- Handle
- NET-208-0-249-0-1
- Parent
- NET-208-0-0-0-1
- Created
- Apr 18, 2005
- 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