Data as of Nov 4, 2026
206.185.0.0/16
No anonymizer space · no proxy exits in 30 daysCogent Communications, LLC
Announcements
More specific
Announcements inside
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 206.185.2.0/24 since Apr 2021 | AS32035 | Business | Cogent Communications, LLC | |
| 206.185.3.0/24 since Jun 2023 | AS23058 | Business | Cogent Communications, LLC | |
| 206.185.4.0/24 since Nov 2025 | AS329097 | Internet provider | Cogent Communications, LLC | |
| 206.185.16.0/22 since Mar 2025 | AS329305 | Hosting | Cogent Communications, LLC | |
| 206.185.20.0/24 since Jul 2026 | AS37442 | Business | Cogent Communications, LLC | |
| 206.185.21.0/24 | AS329735 | Business | Cogent Communications, LLC |
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 |
|---|---|---|---|---|---|---|
| 206.185.0.0/16 | 65,536 | COGENT-206-185-1-16 | Cogent Communications, LLC (COGC) · US | Direct Allocation | Nov 3, 1995 | [email protected] |
| └ 206.185.2.0/24 | 256 | NET-206-185-2-0-1 | NetFortris (C07915418) · ZA | Reassigned | Jun 4, 2021 | [email protected] via COGENT-206-185-1-16 |
| └ 206.185.4.0/24 | 256 | SIFUTURES-CGNT-NET-1 | SI Futures (Pty) Ltd (C11424248) · US | Reassigned | Nov 18, 2025 | [email protected] via COGENT-206-185-1-16 |
| └ 206.185.32.0/19 | 8,192 | GIGAWAVE-CGNT-NET-1 | unknown | — | — | — |
A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.
Composition
The types across the prefix's announced space, by addresses.
Announced space
Address share
Announced space
Types across the prefix
65,536 addresses
| Type | Addresses | Share | Ranges | |
|---|---|---|---|---|
| Internet provider | 63,488 | 97% | 4 | |
| Business | 1,024 | 1.6% | 4 | |
| Hosting | 1,024 | 1.6% | 1 |
Network & registry
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 this prefix
Summary
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
IRR inside
Route objects inside
| Prefix | Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|---|
| 206.185.0.0/24 | AS23058 | RADB | Route Registered for Cogent Communications Customer - Discovery Central Services (Pty) Ltd | MAINT-AS174 | Nov 13, 2023 |
Whois
Registration for this announcement
- Range
- 206.185.0.0/16
- Netname
- COGENT-206-185-1-16
- 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-206-185-0-0-1
- Parent
- NET-206-0-0-0-0
- Created
- Nov 3, 1995
- RIR
- ARIN
- Country
- US
- Delegated
- Nov 3, 1995
- Status
- assigned
Report abuse
Abuse contact
- [email protected]
- Name
- Cogent Abuse
- Phone
- +1-877-875-4311
- Handle
- COGEN-ARIN