Data as of Nov 13, 2026
149.36.248.0/21
No anonymizer space · no proxy exits in 30 daysCogent Communications, LLC
Announcements
Nesting
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Announcements inside
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 149.36.248.0/24 since Feb 2025 | AS212087 | Hosting | Cogent Communications, LLC | |
| 149.36.249.0/24 since Mar 2025 | AS212087 | Hosting | Cogent Communications, LLC | |
| 149.36.250.0/24 since Feb 2025 | AS212087 | Hosting | Cogent Communications, LLC | |
| 149.36.251.0/24 since Apr 2025 | AS212087 | Hosting | Cogent Communications, LLC | |
| 149.36.252.0/24 since Apr 2025 | AS212087 | Hosting | Cogent Communications, LLC | |
| 149.36.253.0/24 since May 2025 | AS212087 | Hosting | Cogent Communications, LLC | |
| 149.36.254.0/24 since Jun 2025 | AS212087 | Hosting | Cogent Communications, LLC | |
| 149.36.255.0/24 since Jun 2025 | AS212087 | Hosting | 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 |
|---|---|---|---|---|---|---|
| 149.36.0.0/16 | 65,536 | COGENT-149-36-16 | Cogent Communications, LLC (COGC) · US | Direct Allocation | Jan 28, 1992 | abuse@ |
| └ 149.36.248.0/21 | 2,048 | JOTELULU-CGNT-NET-6 | Jotelulu SLU (C11213813) · ES | Reassigned | May 20, 2025 | abuse@ via COGENT-149-36-16 |
A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.
Network & registry
Announced by
Covering announcement 149.36.0.0/16
- Prefix
- 149.36.0.0/16
- Announced by
- AS174 Cogent Communications, LLC
- Type
- Internet provider
- Proxy exits
- 294
- Always-on exits
- 39
- RPKI
- No RPKI
- Netname
- COGENT-149-36-16
- 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 149.36.0.0/16
149.36.0.0/16
Routing history
- Pattern
- Stable
- First seen
- Nov 2007
- Current origin since
- Nov 2007 · 19 yr
- Origin networks
- 1
Whois
Registration for this announcement
- Range
- 149.
36. 0. 0/ 16 - Netname
- COGENT-149-36-16
- 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-149-36-0-0-1
- Parent
- NET-149-0-0-0-0
- Created
- Jan 28, 1992
- RIR
- ARIN
- Country
- US
- Delegated
- Jan 28, 1992
- Status
- assigned
Report abuse
Abuse contact
- abuse@
cogentco. com - Name
- Cogent Abuse
- Phone
- +1-877-875-4311
- Handle
- COGEN-ARIN