Data as of Nov 15, 2026
206.159.0.0/18
8,192 anonymizer addresses · 50% · ISP proxyCogent Communications, LLC
IPv4 market
Path
4 · Use
Internet provider
anonymizer space, operator not named
Operators, sellers and brokers
Leased from
IP brokers
| Name | In 206.159.0.0/18 | /24s |
|---|---|---|
| Rackdog | 8,19250% | 32 |
Leased from
Owners leasing their own space
| Name | In 206.159.0.0/18 | /24s |
|---|---|---|
| Cogent Communications, LLC | 8,19250% | 32 |
Announcements
More specific
Announcements inside
| Prefix | Origin | Type | Leased from | Holder | RPKI |
|---|---|---|---|---|---|
| 206.159.0.0/20 since Aug 2025 | AS11404 | ISP proxy | IP broker Rackdog | Cogent Communications, LLC | |
| 206.159.16.0/20 since Sep 2025 | AS7459 | ISP proxy | IP broker Rackdog | 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 |
|---|---|---|---|---|---|---|
| 206. | 196,608 | COGC | Cogent Communications, LLC (COGC) · US | Direct Allocation | Oct 6, 1995 | abuse@ |
| └ 206.159.0.0/18 | 16,384 | RACKDOG-CGNT-NET-44 | RCN (C11605239) · US | Reassigned | May 27, 2026 | abuse@ via COGC |
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
16,384 addresses
| Type | Addresses | Share | Ranges | |
|---|---|---|---|---|
| Internet provider | 8,192 | 50% | 1 | |
| ISP proxyanonymizer | 8,192 | 50% | 2 |
Network & registry
Announced by
Covering announcement 206.158.0.0/15
- Prefix
- 206.158.0.0/15
- Announced by
- AS174 Cogent Communications, LLC
- Type
- Internet provider
- Anonymizer addresses
- none
- Leased from
- IP broker Rackdog (part)
- Proxy exits
- 11
- 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
- 2,432
Routing timeline
Who has announced 206.158.0.0/15
206.158.0.0/15
Routing history
- Pattern
- Rotating
- First seen
- May 2005
- Current origin since
- Jun 2025 · 1.4 yr
- Origin networks
- 2
- Last change of origin
- Jun 2025
Recorded history
History
- Handoffs
- 1
IRR
Route objects on 206.158.0.0/15
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS1239 not the origin | ARIN | 198 Van Buren St | MNT-COGC | Dec 23, 2025 |
Whois
Registration for this announcement
- Range
- 206.
158. 0. 0 - 206. 160. 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-206-158-0-0-1
- Parent
- NET-206-0-0-0-0
- Created
- Oct 6, 1995
- RIR
- ARIN
- Country
- US
- Delegated
- Oct 6, 1995
- Status
- assigned
Report abuse
Abuse contact
- abuse@
cogentco. com - Name
- Cogent Abuse
- Phone
- +1-877-875-4311
- Handle
- COGEN-ARIN