Data as of Nov 9, 2026
204.9.120.0/21
No anonymizer space · no proxy exits in 30 daysCenturyLink Communications, LLC
Announcements
More specific
Announcements inside
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 204.9.127.0/24 since Oct 2010 | AS23447 | Business | 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 |
|---|---|---|---|---|---|---|
| 204.9.120.0/21 | 2,048 | CENTURYLINK-LEGACY-LIGHTCORE-BLK3 | CenturyLink Communications, LLC (CCL-534) · US | Direct Allocation | Oct 7, 2004 | abuse@ |
| └ 204.9.120.0/24 | 256 | LC-IP-INTERNAL | unknown | — | — | — |
| └ 204.9.121.0/24 | 256 | LC-IP-WAN | unknown | — | — | — |
| └ 204.9.122.0/29 | 8 | LC-IP-204-9-122-0 | unknown | — | — | — |
| └ 204.9.122.8/29 | 8 | LC-IP-204-9-122-8 | unknown | — | — | — |
| └ 204.9.122.32/28 | 16 | LC-IP-204-9-122-32 | unknown | — | — | — |
| └ 204.9.122.48/28 | 16 | LC-IP-204-9-122-48 | unknown | — | — | — |
| └ 204.9.122.64/27 | 32 | LC-IP-204-9-122-64 | unknown | — | — | — |
| └ 204.9.122.104/29 | 8 | LC-IP-204-9-122-104 | unknown | — | — | — |
| └ 204.9.122.112/29 | 8 | LC-IP-204-9-122-112 | unknown | — | — | — |
| └ 204.9.122.120/29 | 8 | LC-IP-204-9-122-120 | unknown | — | — | — |
| └ 204.9.122.136/29 | 8 | LC-IP-204-9-122-136 | unknown | — | — | — |
| └ 204.9.122.152/29 | 8 | LC-IP-204-9-122-152 | unknown | — | — | — |
| └ 204.9.122.160/28 | 16 | LC-IP-204-9-122-160 | unknown | — | — | — |
| └ 204.9.122.176/28 | 16 | LC-IP-204-9-122-176 | unknown | — | — | — |
| └ 204.9.122.192/29 | 8 | LC-IP-204-9-122-192 | unknown | — | — | — |
| └ 204.9.122.200/29 | 8 | LC-IP-204-9-122-200 | unknown | — | — | — |
| └ 204.9.122.208/29 | 8 | LC-IP-204-9-122-208 | unknown | — | — | — |
| └ 204.9.122.224/29 | 8 | LC-IP-204-9-122-224 | unknown | — | — | — |
| └ 204.9.122.232/29 | 8 | LC-IP-204-9-122-232 | unknown | — | — | — |
| └ 204.9.122.240/29 | 8 | LC-IP-204-9-122-240 | unknown | — | — | — |
| └ 204.9.123.0/28 | 16 | LC-IP-204-9-123-0 | unknown | — | — | — |
| └ 204.9.123.16/28 | 16 | LC-IP-204-9-123-16 | unknown | — | — | — |
| └ 204.9.123.40/29 | 8 | LC-IP-204-9-123-40 | unknown | — | — | — |
| └ 204.9.123.48/28 | 16 | LC-IP-204-9-123-48 | unknown | — | — | — |
| └ 204.9.123.64/27 | 32 | LC-IP-204-9-123-64 | unknown | — | — | — |
| └ 204.9.123.96/29 | 8 | LC-IP-204-9-123-96 | unknown | — | — | — |
| └ 204.9.123.104/29 | 8 | LC-IP-204-9-123-104 | unknown | — | — | — |
| └ 204.9.123.112/29 | 8 | LC-IP-204-9-123-112 | unknown | — | — | — |
| └ 204.9.123.120/29 | 8 | LC-IP-204-9-123-120 | unknown | — | — | — |
| └ 204.9.123.128/27 | 32 | LC-IP-204-9-123-128 | unknown | — | — | — |
| └ 204.9.123.160/28 | 16 | LC-IP-204-9-123-160 | unknown | — | — | — |
| └ 204.9.123.176/29 | 8 | LC-IP-204-9-123-176 | unknown | — | — | — |
| └ 204.9.123.192/26 | 64 | LC-IP-204-9-123-192 | unknown | — | — | — |
| └ 204.9.124.8/29 | 8 | LC-IP-204-9-124-8 | unknown | — | — | — |
| └ 204.9.124.40/29 | 8 | LC-IP-204-9-124-40 | unknown | — | — | — |
| └ 204.9.124.48/28 | 16 | LC-IP-204-9-124-48 | unknown | — | — | — |
| └ 204.9.124.64/28 | 16 | LC-IP-204-9-124-64 | unknown | — | — | — |
| └ 204.9.124.80/29 | 8 | LC-IP-204-9-124-80 | unknown | — | — | — |
| └ 204.9.124.88/29 | 8 | LC-IP-204-9-124-88 | unknown | — | — | — |
| └ 204.9.124.128/28 | 16 | LC-IP-204-9-124-128 | unknown | — | — | — |
| └ 204.9.124.152/29 | 8 | LC-IP-204-9-124-152 | unknown | — | — | — |
| └ 204.9.124.160/28 | 16 | LC-IP-204-9-124-160 | unknown | — | — | — |
| └ 204.9.124.176/29 | 8 | LC-IP-204-9-124-176 | unknown | — | — | — |
| └ 204.9.124.184/29 | 8 | LC-IP-204-9-124-184 | unknown | — | — | — |
| └ 204.9.124.192/27 | 32 | LC-IP-204-9-124-192 | unknown | — | — | — |
| └ 204.9.124.248/29 | 8 | LC-IP-204-9-124-248 | unknown | — | — | — |
| └ 204.9.125.8/29 | 8 | LC-IP-204-9-125-8 | unknown | — | — | — |
| └ 204.9.125.16/28 | 16 | LC-IP-204-9-125-16 | unknown | — | — | — |
| └ 204.9.125.32/27 | 32 | LC-IP-204-9-125-32 | unknown | — | — | — |
| └ 204.9.125.64/27 | 32 | LC-IP-204-9-125-64 | unknown | — | — | — |
| └ 204.9.125.96/27 | 32 | LC-IP-204-9-125-96 | unknown | — | — | — |
| └ 204.9.125.192/27 | 32 | LC-IP-204-9-125-192 | unknown | — | — | — |
| └ 204.9.125.224/27 | 32 | LC-IP-204-9-125-224 | unknown | — | — | — |
| └ 204.9.126.0/24 | 256 | LC-IP-CUSTOMER-WAN | unknown | — | — | — |
| └ 204.9.127.0/24 | 256 | 204-9-127-0-24 | NetTech, LLC (NETTE12) · US | Reassigned | Apr 26, 2017 | rlovell@ |
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 | 1,536 | 75% | 1 | |
| Business | 256 | 13% | 1 | |
| Internet provider | 256 | 13% | 1 |
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
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.
9. 120. 0/ 21 - Netname
- CENTURYLINK-LEGACY-LIGHTCORE-BLK3
- 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-204-9-120-0-1
- Parent
- NET-204-0-0-0-0
- Created
- Oct 7, 2004
- RIR
- ARIN
- Country
- US
- Delegated
- Oct 7, 2004
- Status
- assigned
Report abuse
Abuse contact
- abuse@
aup. lumen. com - Name
- Centurylink Abuse Desk
- Phone
- +1-877-886-6515
- Handle
- CAD54-ARIN