Data as of Nov 11, 2026
74.4.16.0/21
No anonymizer space · no proxy exits in 30 daysCenturyLink Communications, LLC
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 74.4.0.0/15 since May 2016 | AS209 | Residential | 2 | 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 |
|---|---|---|---|---|---|---|
| 74.4.0.0/15 | 131,072 | CENTURYLINK-LEGACY-EMBARQ-BKL-9 | CenturyLink Communications, LLC (CCL-534) · US | Direct Allocation | Jan 10, 2006 | abuse@ |
| └ 74.4.16.0/23 | 512 | EMBARQ-VOICEMAIL | unknown | — | — | — |
| └ 74.4.19.128/29 | 8 | GREENE-BANK | unknown | — | — | — |
| └ 74.4.19.136/29 | 8 | TOUCHSTONE1 | unknown | — | — | — |
| └ 74.4.19.144/29 | 8 | TOUCHSTONE2 | unknown | — | — | — |
| └ 74.4.19.152/29 | 8 | ANDREW-JOHNSON-BANK | unknown | — | — | — |
| └ 74.4.19.160/29 | 8 | CARROLL-SCHOOLS | unknown | — | — | — |
| └ 74.4.19.168/29 | 8 | KINGSPORT-TIMES | unknown | — | — | — |
| └ 74.4.19.192/29 | 8 | DOC-74-4-19-192 | unknown | — | — | — |
| └ 74.4.19.208/29 | 8 | CLI-74-4-19-208 | unknown | — | — | — |
| └ 74.4.19.216/29 | 8 | JONES-74-4-19-216 | unknown | — | — | — |
| └ 74.4.19.224/29 | 8 | SOTTO-74-4-19-224 | unknown | — | — | — |
| └ 74.4.19.232/29 | 8 | MMG | unknown | — | — | — |
| └ 74.4.20.0/24 | 256 | CITY-OF-JOHNSON-CITY | unknown | — | — | — |
| └ 74.4.21.0/24 | 256 | JONES-MEDIA | unknown | — | — | — |
| └ 74.4.22.80/28 | 16 | LAUGHLIN-MEMORIAL-HOSPITAL | unknown | — | — | — |
| └ 74.4.22.112/28 | 16 | STATE-OF-FRANKLIN-HEALTHCARE | unknown | — | — | — |
| └ 74.4.22.192/28 | 16 | NN-BALL-ROLLER | unknown | — | — | — |
| └ 74.4.22.216/29 | 8 | WHS | unknown | — | — | — |
| └ 74.4.22.240/28 | 16 | GCB | unknown | — | — | — |
| └ 74.4.23.0/24 | 256 | JOHNSON-LIBRARY | unknown | — | — | — |
Composition
The types across the prefix's announced space, by addresses.
Announced space
Address share
Announced space
Types across the prefix
2,048 addresses
| Type | Addresses | Share | Ranges | |
|---|---|---|---|---|
| Residential | 1,920 | 94% | 8 | |
| Business | 128 | 6.3% | 12 |
Network & registry
Origin network
AS22561
US
- Name
- CenturyLink Communications, LLC
- Type
- Internet provider
- Registered
- Oct 16, 2001
- 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
- Rotating
- First seen
- Aug 2007
- Current origin since
- Jan 2024 · 2.8 yr
- Origin networks
- 2
- Last change of origin
- Jan 2024
Recorded history
History
- Handoffs
- 1
IRR inside
Route objects inside
| Prefix | Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|---|
| 74.4.20.0/24 | AS394286 | RADB | RR-RC-CITY OF JOHNSON CITY-South | MAINT-RR | Jul 9, 2026 |
Whois
Registration for this announcement
- Range
- 74.
4. 0. 0/ 15 - Netname
- CENTURYLINK-LEGACY-EMBARQ-BKL-9
- 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-74-4-0-0-1
- Parent
- NET-74-0-0-0-0
- Created
- Jan 10, 2006
- RIR
- ARIN
- Country
- US
- Delegated
- Jan 10, 2006
- Status
- assigned
Report abuse
Abuse contact
- abuse@
aup. lumen. com - Name
- Centurylink Abuse Desk
- Phone
- +1-877-886-6515
- Handle
- CAD54-ARIN