Data as of Nov 3, 2026
199.29.0.0/16
No anonymizer space · no proxy exits in 30 daysCogent Communications, LLC
Announcements
More specific
Announcements inside
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 199.29.6.0/24 since Mar 2012 | AS54294 | Business | Cogent Communications, LLC | |
| 199.29.7.0/24 since Mar 2012 | AS54294 | Business | Cogent Communications, LLC | |
| 199.29.8.0/24 since Sep 2012 | AS54294 | Business | Cogent Communications, LLC | |
| 199.29.192.0/24 since Aug 2010 | AS11351 | Residential | Cogent Communications, LLC | |
| 199.29.227.0/24 since May 2005 | AS6195 | Business | Cogent Communications, LLC | |
| 199.29.247.0/24 since Sep 2016 | AS33598 | 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 |
|---|---|---|---|---|---|---|
| 199.29.0.0/16 | 65,536 | COGENT-199-29-16 | Cogent Communications, LLC (COGC) · US | Direct Allocation | Oct 19, 1993 | [email protected] |
| └ 199.29.6.0 - 199.29.8.255 | 768 | SUNYERIE-678 | Erie Community College (ECC-4) · US | Reassigned | Mar 1, 1994 | [email protected] |
| └ 199.29.224.0/19 | 8,192 | NET-199-29-224-0-1 | The Goldman Sachs Group, Inc. (GOLDM) · US | Reassigned | Aug 2, 2016 | — |
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 | 64,000 | 98% | 5 | |
| Business | 1,280 | 2.0% | 5 | |
| Residential | 256 | 0.39% | 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
- May 2005 · 21 yr
- Origin networks
- 1
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS174 | RADB | Cogent | MAINT-AS174 | Nov 13, 2023 |
IRR inside
Route objects inside
| Prefix | Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|---|
| 199.29.31.0/24 | AS7029 | RADB | Windstream (US LEC) | MAINT-AS7029 | Nov 13, 2023 |
| 199.29.80.0/22 | AS7132 | RADB | Plexus Software | MAINT-AS7132 | Nov 13, 2023 |
| 199.29.84.0/24 | AS7132 | RADB | San Francisco, CA | MAINT-AS7132 | Nov 13, 2023 |
| 199.29.141.0/24 | AS7029 | RADB | Windstream (US LEC) | MAINT-AS7029 | Nov 13, 2023 |
| 199.29.144.0/20 | AS7132 | RADB | Meriden, CT | MAINT-AS7132 | Nov 13, 2023 |
| 199.29.206.0/24 | AS15320 | ALTDB | Primelink Inc. | MAINT-TVC | Mar 17, 2015 |
| 199.29.207.0/24 | AS15320 | ALTDB | Primelink Inc. | MAINT-TVC | Mar 17, 2015 |
| 199.29.208.0/24 | AS15320 | ALTDB | Primelink Inc. | MAINT-TVC | Mar 17, 2015 |
| 199.29.209.0/24 | AS15320 | ALTDB | Primelink Inc. | MAINT-TVC | Mar 17, 2015 |
| 199.29.220.0/22 | AS11351 | RADB | RR-RC- FMCC-Albany | MAINT-RR | Nov 13, 2023 |
| 199.29.224.0/19 | AS6195 | RADB | Goldman, Sachs & Co. | GS-MAINT | Nov 13, 2023 |
Whois
Registration for this announcement
- Range
- 199.29.0.0/16
- Netname
- COGENT-199-29-16
- 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-199-29-0-0-1
- Parent
- NET-199-0-0-0-0
- Created
- Oct 19, 1993
- RIR
- ARIN
- Country
- US
- Delegated
- Oct 19, 1993
- Status
- assigned
Report abuse
Abuse contact
- [email protected]
- Name
- Cogent Abuse
- Phone
- +1-877-875-4311
- Handle
- COGEN-ARIN