Data as of Nov 4, 2026
208.0.74.0/23
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 | 604 176 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@ |
| └ 208.0.74.0/23 | 512 | SPRINT-D0004B | The Center for Creative Leadership (C01084774) · US | Reassigned | Jun 3, 1996 | abuse@ via COGC |
A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.
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
- Rotating
- First seen
- May 2005
- Current origin since
- Mar 2025 · 1.6 yr
- Origin networks
- 3
- Last change of origin
- Mar 2025
Recorded history
History
- Handoffs
- 2
Whois
Registration for this announcement
- Range
- 208.
0. 74. 0/ 23 - Netname
- SPRINT-D0004B
- Registrant
- The Center for Creative Leadership
- Organization
- The Center for Creative Leadership (C01084774)
- Type
- Reassigned
- Handle
- NET-208-0-74-0-1
- Parent
- NET-208-0-0-0-1
- Created
- Jun 3, 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