Data as of Nov 8, 2026
204.182.192.0/18
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 |
|---|---|---|---|---|
| 204.182.232.0/24 since Feb 2011 | AS46536 | Residential | Cogent Communications, LLC | |
| 204.182.233.0/24 since Sep 2016 | AS46536 | Residential | Cogent Communications, LLC | |
| 204.182.234.0/24 since Oct 2016 | AS46536 | Residential | Cogent Communications, LLC | |
| 204.182.235.0/24 since Jul 2010 | AS46536 | Residential | Cogent Communications, LLC | |
| 204.182.236.0/24 since Jul 2010 | AS46536 | Residential | Cogent Communications, LLC | |
| 204.182.237.0/24 since Jul 2010 | AS46536 | Residential | Cogent Communications, LLC | |
| 204.182.238.0/24 since Jul 2010 | AS46536 | Residential | Cogent Communications, LLC | |
| 204.182.239.0/24 since Jul 2010 | AS46536 | 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 |
|---|---|---|---|---|---|---|
| 204.180.0.0/14 | 262,144 | COGENT-204-180-0 | Cogent Communications, LLC (COGC) · US | Direct Allocation | Oct 18, 1994 | abuse@ |
| └ 204.182.224.152/29 | 8 | SPRINTLINK | unknown | — | — | — |
| └ 204.182.224.160/28 | 16 | SPRINTLINK | unknown | — | — | — |
| └ 204.182.224.176/29 | 8 | SPRINTLINK | unknown | — | — | — |
| └ 204.182.224.208/28 | 16 | SPRINTLINK | unknown | — | — | — |
| └ 204.182.224.224/28 | 16 | SPRINTLINK | unknown | — | — | — |
| └ 204.182.232.0/21 | 2,048 | SPRINT | ViaSat, Inc. (VIASA-8) · US | Reassigned | Mar 5, 2007 | IP-Admin@ |
Composition
The types across the prefix's announced space, by addresses.
Announced space
Address share
Announced space
Types across the prefix
16,384 addresses
| Type | Addresses | Share | Ranges | |
|---|---|---|---|---|
| Internet provider | 14,272 | 87% | 4 | |
| Residential | 2,048 | 13% | 8 | |
| Business | 64 | 0.39% | 5 |
Network & registry
Announced by
Covering announcement 204.180.0.0/14
- Prefix
- 204.180.0.0/14
- Announced by
- AS174 Cogent Communications, LLC
- Type
- Internet provider
- RPKI
- No RPKI
- Netname
- COGENT-204-180-0
- 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 204.180.0.0/14
204.180.0.0/14
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
- 204.
180. 0. 0/ 14 - Netname
- COGENT-204-180-0
- 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-204-180-0-0-1
- Parent
- NET-204-0-0-0-0
- Created
- Oct 18, 1994
- RIR
- ARIN
- Country
- US
- Delegated
- Oct 18, 1994
- Status
- assigned
Report abuse
Abuse contact
- abuse@
cogentco. com - Name
- Cogent Abuse
- Phone
- +1-877-875-4311
- Handle
- COGEN-ARIN