Data as of Nov 8, 2026
206.104.31.0/24
No anonymizer space · no proxy exits in 30 daysCogent Communications, LLC
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 206.104.0.0/14 since May 2024 | AS174 | Internet provider | 13 2 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 |
|---|---|---|---|---|---|---|
| 206.104.0.0/14 | 262,144 | COGENT-206-104-0 | Cogent Communications, LLC (COGC) · US | Direct Allocation | Aug 15, 1995 | abuse@ |
| └ 206.104.31.0/24 | 256 | SPRINT-CE681F-9 | Advanced Energy (ADVANC-41) · US | Reassigned | Oct 18, 1999 | — |
Network & registry
IPv4 market
Holder
- Organization
- Cogent Communications, LLC
- Handle
- COGC
- Range
- 206.
104. 0. 0/ 14 - Registration type
- Direct Allocation
- Record created
- Aug 15, 1995
- 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 2024
- Current origin since
- Mar 2025 · 1.7 yr
- Origin networks
- 2
- Last change of origin
- Mar 2025
Recorded history
History
- Handoffs
- 1
Whois
Registration for this announcement
- Range
- 206.
104. 31. 0/ 24 - Netname
- SPRINT-CE681F-9
- Registrant
- Advanced Energy
- Organization
- Advanced Energy (ADVANC-41)
- Org address
- 1625 Sharp Point Drive, Fort Collins, CO, 80525
- Org country
- US
- Type
- Reassigned
- Handle
- NET-206-104-31-0-1
- Parent
- NET-206-104-0-0-1
- Created
- Oct 18, 1999
- RIR
- ARIN
- Country
- US
- Delegated
- Aug 15, 1995
- Status
- assigned
Report abuse
Abuse contact
- nobody@
example. com - Name
- No, Contact Known
- Phone
- +1-800-555-1234
- Handle
- CKN23-ARIN