Data as of Nov 11, 2026
199.100.3.40/29
No anonymizer space · no proxy exits in 30 daysCogent 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 |
|---|---|---|---|---|---|---|
| 199. | 262,144 | COGENT-199-97-98-99-100-16 | Cogent Communications, LLC (COGC) · US | Direct Allocation | Dec 30, 1993 | abuse@ |
| └ 199.100.3.40/29 | 8 | NET-199-100-3-40-1 | unknown | — | — | — |
Network & registry
Announced by
Covering announcement 199.100.0.0/16
- Prefix
- 199.100.0.0/16
- Announced by
- AS174 Cogent Communications, LLC
- Type
- Internet provider
- Proxy exits
- 2
- RPKI
- No RPKI
- Netname
- COGENT-199-97-98-99-100-16
- 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
- 2,094
Routing timeline
Who has announced 199.100.0.0/16
199.100.0.0/16
Routing history
- Pattern
- Stable
- First seen
- May 2005
- Current origin since
- May 2005 · 22 yr
- Origin networks
- 1
IRR
Route objects on 199.100.0.0/16
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS174 | RADB | Cogent | MAINT-AS174 | Nov 13, 2023 |
Whois
Registration for this announcement
- Range
- 199.
97. 0. 0 - 199. 100. 255. 255 - Netname
- COGENT-199-97-98-99-100-16
- 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-199-97-0-0-1
- Parent
- NET-199-0-0-0-0
- Created
- Dec 30, 1993
- RIR
- ARIN
- Country
- US
- Delegated
- Dec 30, 1993
- Status
- assigned
Report abuse
Abuse contact
- abuse@
cogentco. com - Name
- Cogent Abuse
- Phone
- +1-877-875-4311
- Handle
- COGEN-ARIN