Data as of Nov 7, 2026
205.164.216.0/22
No anonymizer space · no proxy exits in 30 daysCogent Communications, LLC
Announcements
More specific
Announcements inside
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 205.164.216.0/24 since Jan 2024 | AS48206 | Residential | Cogent Communications, LLC | |
| 205.164.217.0/24 since Jan 2024 | AS48206 | Residential | Cogent Communications, LLC | |
| 205.164.218.0/24 since Jan 2024 | AS48206 | Residential | Cogent Communications, LLC | |
| 205.164.219.0/24 since Jan 2024 | AS48206 | Residential | Cogent Communications, 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 |
|---|---|---|---|---|---|---|
| 205. | 49,152 | COGENT-205-164-64 | Cogent Communications, LLC (COGC) · US | Direct Allocation | Mar 15, 1995 | abuse@ |
| └ 205.164.216.0/22 | 1,024 | NETPRO-SARL-CGNT-NET-1 | NetPro Sarl (C11380153) · LB | Reassigned | Oct 7, 2025 | abuse@ via COGENT-205-164-64 |
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 205.164.128.0/17
- Prefix
- 205.164.128.0/17
- Announced by
- AS174 Cogent Communications, LLC
- Type
- Internet provider
- Proxy exits
- 7,017
- Always-on exits
- 409
- RPKI
- No RPKI
- Netname
- COGENT-205-164-64
- 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 205.164.128.0/17
205.164.128.0/17
Routing history
- Pattern
- Stable
- First seen
- May 2005
- Current origin since
- Jun 2005 · 21 yr
- Origin networks
- 2
- Last change of origin
- Jun 2005
Recorded history
History
- Handoffs
- 1
Whois
Registration for this announcement
- Range
- 205.
164. 64. 0 - 205. 164. 255. 255 - Netname
- COGENT-205-164-64
- 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-205-164-64-0-1
- Parent
- NET-205-0-0-0-0
- Created
- Mar 15, 1995
- RIR
- ARIN
- Country
- US
- Delegated
- Mar 15, 1995
- Status
- assigned
Report abuse
Abuse contact
- abuse@
cogentco. com - Name
- Cogent Abuse
- Phone
- +1-877-875-4311
- Handle
- COGEN-ARIN