Data as of Nov 3, 2026
208.17.78.0/24
No anonymizer space · no proxy exits in 30 daysCenturyLink Communications, LLC · space held by Cogent Communications, LLC
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 208.17.76.0/22 since May 2005 | AS11398 | Residential | Cogent Communications, LLC via Ltd Sprint FLA ANS ISP | ||
| 208.0.0.0/11 | AS174 | Internet provider | 603 175 always on | Cogent 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 |
|---|---|---|---|---|---|---|
| 208.0.0.0 - 208.35.255.255 | 2,359,296 | COGC | Cogent Communications, LLC (COGC) · US | Direct Allocation | Mar 13, 1996 | [email protected] |
| └ 208.17.64.0/20 | 4,096 | FON-34907914244562 | Ltd Sprint FLA ANS ISP (LTSF) · US | Reallocated | Feb 7, 2002 | — |
Network & registry
IPv4 market
Holder
- Organization
- Cogent Communications, LLC
- Handle
- COGC
- Range
- 208.0.0.0 - 208.35.255.255
- Registration type
- Direct Allocation
- Record created
- Mar 13, 1996
- Legacy
- yes
- Reallocated to
- Ltd Sprint FLA ANS ISP (LTSF)
- Reallocated range
- 208.17.64.0/20
- Reallocated
- Feb 7, 2002
Origin network
AS209
US
- Name
- CenturyLink Communications, LLC
- Type
- Internet provider
- Registered
- Nov 13, 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
- May 2016
- Current origin since
- May 2016 · 10 yr
- Origin networks
- 1
Whois
Registration for this announcement
- Range
- 208.17.64.0/20
- Netname
- FON-34907914244562
- Registrant
- Ltd Sprint FLA ANS ISP
- Organization
- Ltd Sprint FLA ANS ISP (LTSF)
- Org address
- PO BOX 165000, ALTAMONTE SPRINGS, FL, 32716
- Org country
- US
- Type
- Reallocated
- Handle
- NET-208-17-64-0-1
- Parent
- NET-208-0-0-0-1
- Created
- Feb 7, 2002
- RIR
- ARIN
- Country
- US
- Delegated
- Mar 13, 1996
- Status
- assigned
Report abuse
Abuse contact
- [email protected]
- Name
- Centurylink Abuse Desk
- Phone
- +1-877-886-6515
- Handle
- CAD54-ARIN