Data as of Nov 6, 2026
38.87.144.0/21
No anonymizer space · no proxy exits in 30 daysCogent Communications, LLC
IPv4 market
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Announcements
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Announcements inside
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 38.87.144.0/23 since Oct 2018 | AS6939 | Unknown | Cogent Communications, LLC | |
| 38.87.144.0/24 since Oct 2018 | AS395111 | Hosting | Cogent Communications, LLC | |
| 38.87.145.0/24 since Nov 2018 | AS395111 | Hosting | Cogent Communications, LLC | |
| 38.87.146.0/24 since Jun 2026 | AS395111 | Hosting | Cogent Communications, LLC | |
| 38.87.147.0/24 since Jun 2026 | AS395111 | Hosting | Cogent Communications, LLC | |
| 38.87.148.0/24 since Apr 2024 | AS395111 | Hosting | Cogent Communications, LLC | |
| 38.87.149.0/24 since Apr 2024 | AS395111 | Hosting | Cogent Communications, LLC | |
| 38.87.150.0/23 since Jun 2026 | AS395111 | Hosting | Cogent Communications, LLC | |
| 38.87.150.0/24 since Jun 2026 | AS395111 | Hosting | Cogent Communications, LLC | |
| 38.87.151.0/24 since Jun 2026 | AS395111 | Hosting | Cogent Communications, LLC |
Network & registry
Announced by
Covering announcement 38.0.0.0/8
- Prefix
- 38.0.0.0/8
- Announced by
- AS174 Cogent Communications, LLC
- Type
- Internet provider
- Leased from
- IP broker Rackdog (part)
- Proxy exits
- 405,043
- Always-on exits
- 77,969
- RPKI
- No RPKI
- Netname
- COGENT-A
- 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
- 1,658
Routing timeline
Who has announced 38.0.0.0/8
38.0.0.0/8
Routing history
- First seen
- Before our records
- Origin networks
- 1
IRR
Route objects on 38.0.0.0/8
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS174 | RADB | Cogent | MAINT-AS174 | Nov 13, 2023 |
Whois
Registration for this announcement
- Range
- 38.
0. 0. 0/ 8 - Netname
- COGENT-A
- 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-38-0-0-0-1
- Created
- Apr 16, 1991
- RIR
- ARIN
- Country
- US
- Delegated
- Apr 16, 1991
- Status
- assigned
Report abuse
Abuse contact
- abuse@
cogentco. com - Name
- Cogent Abuse
- Phone
- +1-877-875-4311
- Handle
- COGEN-ARIN