Data as of Nov 5, 2026
208.170.37.0/24
No anonymizer space · no proxy exits in 30 daysCenturyLink Communications, LLC
Registrations in this block
The registry's network records over this block, widest first, each under its parent.
| Range | Addresses | Netname | Holder | Type | Created | Abuse contact |
|---|---|---|---|---|---|---|
| 208. | 286,720 | CENTURYLINK-LEGACY-SAVVIS-BLK57 | CenturyLink Communications, LLC (CCL-534) · US | Direct Allocation | Mar 27, 1996 | abuse@ |
| └ 208.170.37.48/29 | 8 | SAVV-S609626-0 | unknown | — | — | — |
| └ 208.170.37.56/29 | 8 | SAVV-S609626-0 | unknown | — | — | — |
| └ 208.170.37.72/29 | 8 | SAVV-S609626-0 | unknown | — | — | — |
| └ 208.170.37.80/28 | 16 | SAVV-S609626-0 | unknown | — | — | — |
| └ 208.170.37.96/28 | 16 | SAVV-S609626-0 | unknown | — | — | — |
Composition
The types across the prefix's announced space, by addresses.
Announced space
Address share
Announced space
Types across the prefix
256 addresses
| Type | Addresses | Share | Ranges | |
|---|---|---|---|---|
| Internet provider | 200 | 78% | 3 | |
| Business | 56 | 22% | 5 |
Network & registry
Announced by
Covering announcement 208.170.0.0/16
- Prefix
- 208.170.0.0/16
- Announced by
- AS3561 CenturyLink Communications, LLC
- Type
- Internet provider
- RPKI
- No RPKI
- Netname
- CENTURYLINK-LEGACY-SAVVIS-BLK57
- Registrant
- CenturyLink Communications, LLC
- RIR
- ARIN
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
Who has announced 208.170.0.0/16
208.170.0.0/16
Routing history
- Pattern
- Stable
- First seen
- May 2026
- Current origin since
- May 2026 · 6 mo
- Origin networks
- 1
Whois
Registration for this announcement
- Range
- 208.
169. 96. 0 - 208. 173. 191. 255 - Netname
- CENTURYLINK-LEGACY-SAVVIS-BLK57
- 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-208-169-96-0-1
- Parent
- NET-208-0-0-0-0
- Created
- Mar 27, 1996
- RIR
- ARIN
- Country
- US
- Delegated
- Mar 27, 1996
- Status
- assigned
Report abuse
Abuse contact
- abuse@
aup. lumen. com - Name
- Centurylink Abuse Desk
- Phone
- +1-877-886-6515
- Handle
- CAD54-ARIN