Data as of Nov 9, 2026
120.50.199.0/24
No anonymizer space · no proxy exits in 30 daysMCAT Ltd.
Network & registry
Announced by
Covering announcement 120.50.192.0/20
- Prefix
- 120.50.192.0/20
- Announced by
- AS131923 MCAT Ltd.
- Type
- Residential
- Proxy exits
- 44
- Always-on exits
- 5
- RPKI
- RPKI valid
- Netname
- MCAT-CIDR-BLK-JP
- Registrant
- MCAT Ltd.
- RIR
- APNIC
Origin network
AS131923
JP
- Name
- MCAT Ltd.
- Type
- Internet provider
- Registered
- Aug 4, 2011
- Domain
- mcat.co.jp
- Website
- www.mcat.co.jp/
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced 120.50.192.0/20
120.50.192.0/20
Routing history
- Pattern
- Stable
- First seen
- May 2008
- Current origin since
- Dec 2017 · 8.9 yr
- Origin networks
- 2
- Last change of origin
- Dec 2017
Recorded history
History
- Handoffs
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 120.50.192.0/20 | AS131923 | /25 | APNIC | RPKI valid |
IRR
Route objects on 120.50.192.0/20
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS131923 | JPIRR | MCAT Ltd. CIDR-block NO.3 | MAINT-AS131923 | Mar 1, 2026 |
Whois
Registration for this announcement
- Range
- 120.
50. 192. 0/ 20 - Netname
- MCAT-CIDR-BLK-JP
- Registrant
- MCAT Ltd.
- Registrant country
- JP
- Organization
- MCAT Ltd.
- Org country
- JP
- Created
- Not stated by the registry
- Updated
- Aug 8, 2017
- RIR
- APNIC
- Country
- JP
- Delegated
- Mar 25, 2008
- Status
- assigned
Report abuse
Abuse contact
- grp-noc@
g. mcat. co. jp