Data as of Nov 11, 2026
199.99.0.0/18
No anonymizer space · no proxy exits in 30 daysCogent Communications, LLC
Announcements
More specific
Announcements inside
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 199.99.2.0/24 since Dec 2007 | AS18593 | Business | Cogent Communications, LLC | |
| 199.99.14.0/24 since Sep 2005 | AS18593 | Business | Cogent Communications, LLC | |
| 199.99.16.0/24 since Sep 2005 | AS18593 | Business | Cogent Communications, LLC | |
| 199.99.22.0/24 since Sep 2005 | AS18593 | Business | Cogent Communications, LLC | |
| 199.99.28.0/24 since Sep 2005 | AS18593 | Business | Cogent Communications, LLC | |
| 199.99.47.0/24 since Sep 2016 | AS33598 | Business | 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 |
|---|---|---|---|---|---|---|
| 199. | 262,144 | COGENT-199-97-98-99-100-16 | Cogent Communications, LLC (COGC) · US | Direct Allocation | Dec 30, 1993 | abuse@ |
| └ 199.99.0.0/18 | 16,384 | GSCO-NETBLK-2 | The Goldman Sachs Group, Inc. (GOLDM) · US | Reassigned | Apr 14, 1995 | — |
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 | 14,848 | 91% | 7 | |
| Business | 1,536 | 9.4% | 6 |
Network & registry
Announced by
Covering announcement 199.98.0.0/15
- Prefix
- 199.98.0.0/15
- Announced by
- AS174 Cogent Communications, LLC
- Type
- Internet provider
- Proxy exits
- 1
- 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 199.98.0.0/15
199.98.0.0/15
Routing history
- Pattern
- Stable
- First seen
- May 2005
- Current origin since
- May 2005 · 22 yr
- Origin networks
- 1
IRR
Route objects on 199.98.0.0/15
| 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