Data as of Nov 12, 2026
149.36.43.0/24
No anonymizer space · no proxy exits in 30 daysCogent Communications, LLC
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 149.36.0.0/16 since Nov 2007 | AS174 | Internet provider | 290 39 always on | 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 |
|---|---|---|---|---|---|---|
| 149.36.0.0/16 | 65,536 | COGENT-149-36-16 | Cogent Communications, LLC (COGC) · US | Direct Allocation | Jan 28, 1992 | abuse@ |
| └ 149.36.43.0/24 | 256 | NET-149-36-43-0-1 | Zenlayer Inc (C08797099) · GB | Reassigned | Aug 5, 2022 | 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
IPv4 market
Holder
- Organization
- Cogent Communications, LLC
- Handle
- COGC
- Range
- 149.
36. 0. 0/ 16 - Registration type
- Direct Allocation
- Record created
- Jan 28, 1992
- Legacy
- yes
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
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Sep 2021
- Current origin since
- Jul 2022 · 4.3 yr
- Origin networks
- 1
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS21859 not the origin | RADB | Route Registered for Cogent Communications Customer - Zenlayer | MAINT-AS174 | Nov 13, 2023 |
Whois
Registration for this announcement
- Range
- 149.
36. 43. 0/ 24 - Netname
- NET-149-36-43-0-1
- Registrant
- Zenlayer Inc
- Organization
- Zenlayer Inc (C08797099)
- Type
- Reassigned
- Handle
- NET-149-36-43-0-1
- Parent
- NET-149-36-0-0-1
- Created
- Aug 5, 2022
- 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