Data as of Nov 15, 2026
205.138.243.0/24
No anonymizer space · no proxy exits in 30 daysCenturyLink Communications, LLC
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 205.138.240.0/20 since Oct 2018 | AS3561 | Internet provider | CenturyLink Communications, LLC | |
| 205.138.0.0/15 since May 2005 | AS3561 | Internet provider | 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 |
|---|---|---|---|---|---|---|
| 205. | 176,128 | CENTURYLINK-LEGACY-SAVVIS-BLK182 | CenturyLink Communications, LLC (CCL-534) · US | Direct Allocation | Feb 15, 1995 | abuse@ |
| └ 205.138.243.0/24 | 256 | SAVV-S618198-0 | Driscoll Childrens Hospital (DCH-40) · US | Reallocated | Jun 20, 2014 | — |
Network & registry
IPv4 market
Holder
- Organization
- CenturyLink Communications, LLC
- Handle
- CCL-534
- Range
- 205.
138. 0. 0 - 205. 140. 175. 255 - Registration type
- Direct Allocation
- Record created
- Feb 15, 1995
- Legacy
- yes
- Reallocated to
- Driscoll Childrens Hospital (DCH-40)
- Reallocated range
- 205.
138. 243. 0/ 24 - Reallocated
- Jun 20, 2014
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
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Oct 2018
- Current origin since
- Jan 2026 · 10 mo
- Origin networks
- 1
Whois
Registration for this announcement
- Range
- 205.
138. 243. 0/ 24 - Netname
- SAVV-S618198-0
- Registrant
- Driscoll Childrens Hospital
- Organization
- Driscoll Childrens Hospital (DCH-40)
- Org address
- 3533 S. Alameda Street, Corpus Christi, TX, 78411
- Org country
- US
- Type
- Reallocated
- Handle
- NET-205-138-243-0-1
- Parent
- NET-205-138-0-0-1
- Created
- Jun 20, 2014
- RIR
- ARIN
- Country
- US
- Delegated
- Feb 15, 1995
- Status
- assigned
Report abuse
Abuse contact
- abuse@
aup. lumen. com - Name
- Centurylink Abuse Desk
- Phone
- +1-877-886-6515
- Handle
- CAD54-ARIN