Data as of Nov 10, 2026
204.215.240.0/20
No anonymizer space · no proxy exits in 30 daysCenturyLink Communications, LLC · space held by Cogent Communications, LLC
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 204.212.0.0/14 since May 2024 | AS174 | Internet provider | 37 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 |
|---|---|---|---|---|---|---|
| 204.212.0.0/14 | 262,144 | COGENT-204-212-0 | Cogent Communications, LLC (COGC) · US | Direct Allocation | Dec 11, 1994 | abuse@ |
| └ 204.215.240.0/20 | 4,096 | SPRINT-CCD7F0-3 | Sprint-United Telephone of Florida (UTOF) · US | Reallocated | Apr 19, 1999 | — |
| └ 204.215.240.64/27 | 32 | 204CCBAU1 | unknown | — | — | — |
| └ 204.215.240.160/27 | 32 | 204CCHDS | unknown | — | — | — |
| └ 204.215.241.0/24 | 256 | 204TN1 | unknown | — | — | — |
| └ 204. | 1,024 | IAG-204-215-243-246 | unknown | — | — | — |
| └ 204.215.244.192/26 | 64 | ORBITER-CCD7F4C0 | unknown | — | — | — |
| └ 204.215.245.0/24 | 256 | APCO-CCD7F500 | unknown | — | — | — |
| └ 204.215.246.0/24 | 256 | LSCC-CCD7F600 | unknown | — | — | — |
| └ 204.215.247.0/24 | 256 | 204-215-247CIWP | unknown | — | — | — |
| └ 204.215.248.0/23 | 512 | 204AISG1 | unknown | — | — | — |
| └ 204. | 512 | 204WRAMP1 | unknown | — | — | — |
| └ 204. | 512 | 204ZOOMPH | unknown | — | — | — |
| └ 204.215.255.0/24 | 256 | 204-215-255CRYWIND | unknown | — | — | — |
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 | 3,968 | 97% | 4 | |
| Business | 128 | 3.1% | 3 |
Network & registry
IPv4 market
Holder
- Organization
- Cogent Communications, LLC
- Handle
- COGC
- Range
- 204.
212. 0. 0/ 14 - Registration type
- Direct Allocation
- Record created
- Dec 11, 1994
- Legacy
- yes
- Reallocated to
- Sprint-United Telephone of Florida (UTOF)
- Reallocated range
- 204.
215. 240. 0/ 20 - Reallocated
- Apr 19, 1999
Origin network
AS2379
US
- Name
- CenturyLink Communications, LLC
- Type
- Internet provider
- Registered
- Feb 3, 1993
- Domain
- centurylink.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
- May 2005
- Current origin since
- May 2005 · 22 yr
- Origin networks
- 1
Whois
Registration for this announcement
- Range
- 204.
215. 240. 0/ 20 - Netname
- SPRINT-CCD7F0-3
- Registrant
- Sprint-United Telephone of Florida
- Organization
- Sprint-United Telephone of Florida (UTOF)
- Org address
- 500 N New York Ave, Winter Park, FL, 32789
- Org country
- US
- Type
- Reallocated
- Handle
- NET-204-215-240-0-1
- Parent
- NET-204-212-0-0-1
- Created
- Apr 19, 1999
- RIR
- ARIN
- Country
- US
- Delegated
- Dec 11, 1994
- Status
- assigned
Report abuse
Abuse contact
- abuse@
aup. lumen. com - Name
- Centurylink Abuse Desk
- Phone
- +1-877-886-6515
- Handle
- CAD54-ARIN