Data as of Nov 5, 2026
205.240.36.0/22
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 |
|---|---|---|---|---|---|
| 205.240.0.0/13 | AS174 | Internet provider | 34 3 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 |
|---|---|---|---|---|---|---|
| 205.240.0.0/13 | 524,288 | COGENT-205-240-0 | Cogent Communications, LLC (COGC) · US | Direct Allocation | Apr 24, 1995 | abuse@ |
| └ 205.240.32.0/20 | 4,096 | FON-34550661121904 | Ltd Sprint FLA ANS ISP (LTSF) · US | Reallocated | Mar 8, 2002 | — |
Network & registry
IPv4 market
Holder
- Organization
- Cogent Communications, LLC
- Handle
- COGC
- Range
- 205.
240. 0. 0/ 13 - Registration type
- Direct Allocation
- Record created
- Apr 24, 1995
- Legacy
- yes
- Reallocated to
- Ltd Sprint FLA ANS ISP (LTSF)
- Reallocated range
- 205.
240. 32. 0/ 20 - Reallocated
- Mar 8, 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 2005
- Current origin since
- Nov 2019 · 6.9 yr
- Origin networks
- 3
- Last change of origin
- Nov 2019
Recorded history
History
- Handoffs
- 2
Whois
Registration for this announcement
- Range
- 205.
240. 32. 0/ 20 - Netname
- FON-34550661121904
- 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-205-240-32-0-1
- Parent
- NET-205-240-0-0-1
- Created
- Mar 8, 2002
- RIR
- ARIN
- Country
- US
- Delegated
- Apr 24, 1995
- Status
- assigned
Report abuse
Abuse contact
- abuse@
aup. lumen. com - Name
- Centurylink Abuse Desk
- Phone
- +1-877-886-6515
- Handle
- CAD54-ARIN