Data as of Nov 10, 2026
204.188.144.0/20
No anonymizer space · no proxy exits in 30 daysCenturyLink 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. | 12,288 | CENTURYLINK-LEGACY-SAVVIS-BLK186 | CenturyLink Communications, LLC (CCL-534) · US | Direct Allocation | Nov 9, 1994 | abuse@ |
| └ 204.188.152.96/27 | 32 | SAVV-S230321 | 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 | |
|---|---|---|---|---|
| Internet provider | 4,064 | >99% | 2 | |
| Business | 32 | 0.78% | 1 |
Network & registry
Origin network
AS3561
US
- Name
- CenturyLink Communications, LLC
- Type
- Internet provider
- Registered
- Oct 7, 1998
- Domain
- lumen.com
- Website
- www.lumen.com/
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
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.
188. 144. 0 - 204. 188. 191. 255 - Netname
- CENTURYLINK-LEGACY-SAVVIS-BLK186
- Registrant
- CenturyLink Communications, LLC
- Organization
- CenturyLink Communications, LLC (CCL-534)
- Org address
- 100 CENTURYLINK DR, Monroe, LA, 71201
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-204-188-144-0-1
- Parent
- NET-204-0-0-0-0
- Created
- Nov 9, 1994
- RIR
- ARIN
- Country
- US
- Delegated
- Nov 9, 1994
- Status
- assigned
Report abuse
Abuse contact
- abuse@
aup. lumen. com - Name
- Centurylink Abuse Desk
- Phone
- +1-877-886-6515
- Handle
- CAD54-ARIN