Data as of Nov 8, 2026
204.133.83.0/24
No anonymizer space · no proxy exits in 30 daysCity of Fort Collins · space held by CenturyLink Communications, LLC
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 204.132.0.0/15 since May 2005 | AS209 | Residential | 44 | CenturyLink 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 |
|---|---|---|---|---|---|---|
| 204. | 262,144 | CENTURYLINK-LEGACY-QWEST-INET-34 | CenturyLink Communications, LLC (CCL-534) · US | Direct Allocation | Aug 26, 1994 | abuse@ |
| └ 204.133.83.0/24 | 256 | NET-CSN-FCP | City of Fort Collins (CFC) · US | Reassigned | Jan 19, 1999 | abuse@ |
Network & registry
IPv4 market
Holder
- Organization
- CenturyLink Communications, LLC
- Handle
- CCL-534
- Range
- 204.
131. 0. 0 - 204. 134. 255. 255 - Registration type
- Direct Allocation
- Record created
- Aug 26, 1994
- Legacy
- yes
Origin network
AS397142
US
- Name
- City of Fort Collins
- Type
- Internet provider
- Registered
- Oct 30, 2018
- Domain
- fcconnexion.com
- Website
- fcconnexion.com/
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Mar 2020
- Current origin since
- Mar 2020 · 6.6 yr
- Origin networks
- 1
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS397142 | ARIN | 700 Wood St | MNT-CFC | Oct 29, 2021 |
Whois
Registration for this announcement
- Range
- 204.
133. 83. 0/ 24 - Netname
- NET-CSN-FCP
- Registrant
- City of Fort Collins
- Organization
- City of Fort Collins (CFC)
- Org address
- 700 Wood St, Fort Collins, CO, 80521
- Org country
- US
- Type
- Reassigned
- Handle
- NET-204-133-83-0-1
- Parent
- NET-204-131-0-0-1
- Created
- Jan 19, 1999
- RIR
- ARIN
- Country
- US
- Delegated
- Aug 26, 1994
- Status
- assigned
Report abuse
Abuse contact
- abuse@
fcconnexion. com - Name
- Fort Collins Connexion Abuse and DMCA Compliance
- Phone
- +1-970-207-7873
- Handle
- FCCADC-ARIN