Data as of Nov 9, 2026
63.137.176.0/21
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 |
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@ |
| └ 63.137.179.0/24 | 256 | SAVV-S620185-0 | unknown | — | — | — |
| └ 63.137.180.0/24 | 256 | SAVV-S232357-41 | unknown | — | — | — |
| └ 63.137.181.0/24 | 256 | SAVV-S601238-5 | unknown | — | — | — |
| └ 63.137.182.0/28 | 16 | SAVV-S622074-0 | unknown | — | — | — |
| └ 63.137.182.16/28 | 16 | SAVV-S607129-0 | unknown | — | — | — |
| └ 63.137.182.32/27 | 32 | SAVV-S622198-0 | unknown | — | — | — |
| └ 63.137.182.64/29 | 8 | SAVV-S607129-0 | unknown | — | — | — |
| └ 63.137.182.72/29 | 8 | SAVV-S622903-0 | unknown | — | — | — |
| └ 63.137.182.80/28 | 16 | SAVV-S622903-0 | unknown | — | — | — |
| └ 63.137.182.96/27 | 32 | SAVV-S623107-0 | unknown | — | — | — |
| └ 63.137.182.128/27 | 32 | SAVV-S263671-0 | unknown | — | — | — |
| └ 63.137.182.160/28 | 16 | SAVV-S623813-0 | unknown | — | — | — |
| └ 63.137.182.176/29 | 8 | SAVV-S623813-0 | unknown | — | — | — |
| └ 63.137.182.184/29 | 8 | SAVV-S263671-0 | unknown | — | — | — |
| └ 63.137.182.192/28 | 16 | SAVV-S623694-0 | unknown | — | — | — |
| └ 63.137.182.224/29 | 8 | SAVV-S624548-0 | unknown | — | — | — |
| └ 63.137.182.240/28 | 16 | SAVV-S622198-2 | unknown | — | — | — |
| └ 63.137.183.128/27 | 32 | SAVV-S626562-0 | unknown | — | — | — |
| └ 63.137.183.160/29 | 8 | SAVV-S626562-0 | unknown | — | — | — |
| └ 63.137.183.184/29 | 8 | SAVV-S627833-0 | unknown | — | — | — |
| └ 63.137.183.192/28 | 16 | SAVV-S632686-1 | unknown | — | — | — |
| └ 63.137.183.240/28 | 16 | SAVV-S633005-0 | 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 | |
|---|---|---|---|---|
| Internet provider | 1,736 | 85% | 6 | |
| Business | 312 | 15% | 19 |
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
- Jul 2020
- Current origin since
- Jul 2020 · 6.3 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