Data as of Nov 9, 2026
63.137.224.0/20
No anonymizer space · no proxy exits in 30 daysCenturyLink Communications, LLC
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 63.137.0.0/16 since May 2005 | AS3561 | Internet provider | CenturyLink Communications, LLC |
More specific
Announcements inside
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 63.137.229.0/24 since Mar 2025 | AS53928 | 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 |
|---|---|---|---|---|---|---|
| 63. | 100,352 | CENTURYLINK-LEGACY-SAVVIS-BLK232 | CenturyLink Communications, LLC (CCL-534) · US | Direct Allocation | Jun 14, 2000 | abuse@ |
| └ 63.137.226.24/29 | 8 | SAVV-S264051-12 | unknown | — | — | — |
| └ 63.137.226.64/26 | 64 | SAVV-S260170-4 | unknown | — | — | — |
| └ 63.137.227.96/27 | 32 | SAVV-S640164-0 | unknown | — | — | — |
| └ 63.137.227.128/27 | 32 | SAVV-S640165-0 | unknown | — | — | — |
| └ 63.137.227.160/27 | 32 | SAVV-S640166-0 | unknown | — | — | — |
| └ 63.137.227.192/27 | 32 | SAVV-S640167-0 | unknown | — | — | — |
| └ 63.137.229.0/24 | 256 | SAVV-S640589-0 | Fortinet Inc (FORTI-44) · US | Reassigned | Mar 15, 2019 | gzeng@ |
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 | 3,640 | 89% | 5 | |
| Business | 456 | 11% | 7 |
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
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Nov 2017
- Current origin since
- Nov 2017 · 9.0 yr
- Origin networks
- 1
Whois
Registration for this announcement
- Range
- 63.
136. 120. 0 - 63. 137. 255. 255 - Netname
- CENTURYLINK-LEGACY-SAVVIS-BLK232
- 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-63-136-120-0-1
- Parent
- NET-63-0-0-0-0
- Created
- Jun 14, 2000
- RIR
- ARIN
- Country
- US
- Delegated
- Jun 14, 2000
- Status
- assigned
Report abuse
Abuse contact
- abuse@
aup. lumen. com - Name
- Centurylink Abuse Desk
- Phone
- +1-877-886-6515
- Handle
- CAD54-ARIN