Data as of Nov 4, 2026
217.71.112.64/26
No anonymizer space · no proxy exits in 30 daysCogent Communications, LLC · space held by Cogent Communications Group 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 |
|---|---|---|---|---|---|---|
| 217.71.112.0/20 | 4,096 | US-COGENT-20020513 | Cogent Communications Group LLC (ORG-GATI1-RIPE) · US | ALLOCATED PA | Sep 10, 2004 | abuse@ |
| └ 217.71.112.64/26 | 64 | CYRES-COGENT | Groupe Cyres | ASSIGNED PA | Feb 28, 2006 | abuse@ via US-COGENT-20020513 |
A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.
Network & registry
Announced by
Covering announcement 217.71.112.0/20
- Prefix
- 217.71.112.0/20
- Announced by
- AS174 Cogent Communications, LLC
- Type
- Internet provider
- RPKI
- No RPKI
- Netname
- US-COGENT-20020513
- Registrant
- Cogent Communications Group LLC
- RIR
- RIPE NCC
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 217.71.112.0/20
217.71.112.0/20
Routing history
- Pattern
- Stable
- First seen
- May 2005
- Current origin since
- May 2005 · 21 yr
- Origin networks
- 1
IRR
Route objects on 217.71.112.0/20
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS174 | RIPE | Cogent Communications France S.A.S. | COGENT-ROUTE-MNT | Nov 12, 2004 |
Whois
Registration for this announcement
- Range
- 217.
71. 112. 0/ 20 - Netname
- US-COGENT-20020513
- Registrant
- Cogent Communications Group LLC
- Registrant country
- FR
- Organization
- Cogent Communications Group LLC (ORG-GATI1-RIPE)
- Org country
- US
- Type
- ALLOCATED PA
- Created
- Sep 10, 2004
- Updated
- Oct 25, 2024
- Maintainer
- RIPE-NCC-HM-MNT
- RIR
- RIPE NCC
- Country
- US
- Delegated
- May 13, 2002
- Status
- assigned
Report abuse
Abuse contact
- abuse@
cogentco. com - Name
- Cogent Communications Hostmaster
- Handle
- CGNT-RIPE