Data as of Nov 5, 2026
65.173.86.0/23
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 |
|---|---|---|---|---|---|
| 65.172.0.0/15 since May 2024 | AS174 | Internet provider | 61 10 always on | Cogent Communications, LLC |
More specific
Announcements inside
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 65.173.86.0/24 since May 2016 | AS209 | Residential | Cogent Communications, LLC via Sprint DSL Network |
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 |
|---|---|---|---|---|---|---|
| 65. | 917,504 | COGC | Cogent Communications, LLC (COGC) · US | Direct Allocation | Sep 19, 2000 | abuse@ |
| └ 65.173.80.0/20 | 4,096 | DSL-NET231-NC | Sprint DSL Network (SDSL) · US | Reallocated | Jan 7, 2002 | — |
Network & registry
IPv4 market
Holder
- Organization
- Cogent Communications, LLC
- Handle
- COGC
- Range
- 65.
160. 0. 0 - 65. 173. 255. 255 - Registration type
- Direct Allocation
- Record created
- Sep 19, 2000
- Reallocated to
- Sprint DSL Network (SDSL)
- Reallocated range
- 65.
173. 80. 0/ 20 - Reallocated
- Jan 7, 2002
Origin network
AS11398
US
- Name
- CenturyLink Communications, LLC
- Type
- Internet provider
- Registered
- Aug 4, 1998
- Domain
- centurylink.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
- May 2005 · 21 yr
- Origin networks
- 1
Whois
Registration for this announcement
- Range
- 65.
173. 80. 0/ 20 - Netname
- DSL-NET231-NC
- Registrant
- Sprint DSL Network
- Organization
- Sprint DSL Network (SDSL)
- Org address
- 4540 Wilkinson Court, Cape Coral, FL, 33904
- Org country
- US
- Type
- Reallocated
- Handle
- NET-65-173-80-0-1
- Parent
- NET-65-160-0-0-1
- Created
- Jan 7, 2002
- RIR
- ARIN
- Country
- US
- Delegated
- Sep 19, 2000
- Status
- assigned
Report abuse
Abuse contact
- abuse@
aup. lumen. com - Name
- Centurylink Abuse Desk
- Phone
- +1-877-886-6515
- Handle
- CAD54-ARIN