Data as of Nov 3, 2026
65.173.80.0/20
No anonymizer space · no proxy exits in 30 daysCogent Communications, LLC
Announcements
Nesting
More-specifics by size
Sized by addresses, colored by each announcement's type. Click a tile with children to zoom in, a leaf to open it.
More specific
Announcements inside
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 65.173.82.0/23 since Nov 2019 | AS209 | Residential | Cogent Communications, LLC via Sprint DSL Network | |
| 65.173.82.0/24 since Oct 2023 | AS19901 | Residential | Cogent Communications, LLC via Sprint DSL Network | |
| 65.173.84.0/23 since Nov 2019 | AS209 | Residential | Cogent Communications, LLC via Sprint DSL Network | |
| 65.173.86.0/23 since May 2005 | AS11398 | Residential | Cogent Communications, LLC via Sprint DSL Network | |
| 65.173.86.0/24 since May 2016 | AS209 | Residential | Cogent Communications, LLC via Sprint DSL Network | |
| 65.173.88.0/23 since May 2005 | AS11398 | Residential | Cogent Communications, LLC via Sprint DSL Network | |
| 65.173.90.0/24 since Oct 2019 | AS209 | Residential | Cogent Communications, LLC via Sprint DSL Network | |
| 65.173.92.0/22 since Oct 2023 | AS19901 | Residential | Cogent Communications, LLC via Sprint DSL Network | |
| 65.173.93.0/24 since Oct 2023 | AS19901 | Residential | Cogent Communications, LLC via Sprint DSL Network | |
| 65.173.94.0/24 since Oct 2023 | AS19901 | Residential | Cogent Communications, LLC via Sprint DSL Network |
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 |
|---|---|---|---|---|---|---|
| 65.160.0.0 - 65.173.255.255 | 917,504 | COGC | Cogent Communications, LLC (COGC) · US | Direct Allocation | Sep 19, 2000 | [email protected] |
| └ 65.173.80.0/20 | 4,096 | DSL-NET231-NC | Sprint DSL Network (SDSL) · US | Reallocated | Jan 7, 2002 | — |
Network & registry
Announced by
Covering announcement 65.172.0.0/15
- Prefix
- 65.172.0.0/15
- Announced by
- AS174 Cogent Communications, LLC
- Type
- Internet provider
- Proxy exits
- 66
- Always-on exits
- 12
- RPKI
- No RPKI
- Netname
- COGC
- Registrant
- Cogent Communications, LLC
- RIR
- ARIN
Origin network
AS174
US
- Name
- Cogent Communications, LLC
- Type
- Internet provider
- Registered
- May 16, 1996
- Domain
- cogentco.com
- Website
- www.cogentco.com/
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
- VPN servers
- 1,658
Routing timeline
Who has announced 65.172.0.0/15
65.172.0.0/15
Routing history
- Pattern
- Rotating
- First seen
- May 2005
- Current origin since
- May 2024 · 2.5 yr
- Origin networks
- 2
- Last change of origin
- May 2024
Recorded history
History
- Handoffs
- 1
Whois
Registration for this announcement
- Range
- 65.160.0.0 - 65.173.255.255
- Netname
- COGC
- Registrant
- Cogent Communications, LLC
- Organization
- Cogent Communications, LLC (COGC)
- Org address
- 2450 N Street NW, Washington, DC, 20037
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-65-160-0-0-1
- Parent
- NET-65-0-0-0-0
- Created
- Sep 19, 2000
- RIR
- ARIN
- Country
- US
- Delegated
- Sep 19, 2000
- Status
- assigned
Report abuse
Abuse contact
- [email protected]
- Name
- Cogent Abuse
- Phone
- +1-877-875-4311
- Handle
- COGEN-ARIN