Data as of Nov 11, 2026
162.4.53.0/24
No anonymizer space · no proxy exits in 30 daysCogent Communications, LLC · reallocated from 3XNET Co., Ltd.
Announcement
this exact prefix
RPKI valid
Announced by
Type
Internet provider
Risk
30 / 100 · Medium
Recently moved
Recent change
New origin Oct 22, 2026
from AS152324 3XNET Co., Ltd.
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 |
|---|---|---|---|---|---|---|
| 162.4.52.0/23 | 512 | M3XNETCOLTD-JP | 3XNET Co., Ltd. (ORG-CL84-AP) · JP | ALLOCATED PORTABLE | — | abuse@ |
| └ 162.4.53.0/24 | 256 | M3XNETCOLTD-JP | Cogent Communications, LLC | ALLOCATED NON-PORTABLE | — | abuse@ |
Network & registry
Registry
Holder
- Organization
- 3XNET Co., Ltd.
- Handle
- ORG-CL84-AP
- Range
- 162.
4. 52. 0/ 23 - Registration type
- ALLOCATED PORTABLE
- Reallocated to
- Cogent Communications, LLC
- Reallocated range
- 162.
4. 53. 0/ 24 - Reallocation type
- ALLOCATED NON-PORTABLE
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 this prefix
Summary
Routing history
- Pattern
- Rotating
- First seen
- Apr 2026
- Current origin since
- Oct 22, 2026 · under a month
- Origin networks
- 2
- Last change of origin
- Oct 22, 2026
Recorded history
History
- Handoffs
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 162.4.53.0/24 | AS174 | /24 | APNIC | RPKI valid |
| 162.4.52.0/23 | AS152324 | /24 | APNIC | Another network |
Whois
Registration for this announcement
- Range
- 162.
4. 53. 0/ 24 - Netname
- M3XNETCOLTD-JP
- Registrant
- Cogent Communications, LLC
- Registrant country
- JP
- Organization
- Cogent Communications, LLC
- Org country
- JP
- Type
- ALLOCATED NON-PORTABLE
- Created
- Not stated by the registry
- Updated
- Oct 13, 2026
- Maintainer
- MAINT-M3XNETCOLTD-JP
- RIR
- APNIC
- Country
- JP
- Delegated
- Apr 29, 2026
- Status
- assigned
Report abuse
Abuse contact
- abuse@
3xnet. us - Name
- ABUSE X3XNETUS
- Handle
- AX241-AP