Data as of Nov 3, 2026
218.45.64.0/19
No anonymizer space · no proxy exits in 30 daysMCAT Ltd. · space held by Japan Network Information Center
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 |
|---|---|---|---|---|---|---|
| 218.40.0.0/13 | 524,288 | JPNIC-NET-JP | Japan Network Information Center | ALLOCATED PORTABLE | — | [email protected] |
Network & registry
IPv4 market
Holder
- Organization
- Japan Network Information Center
- Range
- 218.40.0.0/13
- Registration type
- ALLOCATED PORTABLE
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 this prefix
Summary
Routing history
- Pattern
- Rotating
- First seen
- May 2005
- Current origin since
- Feb 2023 · 3.7 yr
- Origin networks
- 3
- Last change of origin
- Feb 2023
Recorded history
History
- Handoffs
- 2
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 218.45.64.0/19 | AS131923 | /25 | APNIC | RPKI valid |
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS131923 | JPIRR | MCAT Ltd. CIDR-block NO.104 | MAINT-AS131923 | Mar 1, 2026 |
IRR inside
Route objects inside
| Prefix | Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|---|
| 218.45.64.0/20 | AS131923 | JPIRR | MCAT Ltd. CIDR-block NO.105 | MAINT-AS131923 | Mar 1, 2026 |
| 218.45.64.0/21 | AS131923 | JPIRR | MCAT Ltd. CIDR-block NO.107 | MAINT-AS131923 | Mar 1, 2026 |
| 218.45.64.0/22 | AS131923 | JPIRR | MCAT Ltd. CIDR-block NO.111 | MAINT-AS131923 | Mar 1, 2026 |
| 218.45.64.0/23 | AS131923 | JPIRR | MCAT Ltd. CIDR-block NO.119 | MAINT-AS131923 | Mar 1, 2026 |
| 218.45.64.0/24 | AS131923 | JPIRR | MCAT Ltd. CIDR-block NO.135 | MAINT-AS131923 | Mar 1, 2026 |
| 218.45.65.0/24 | AS131923 | JPIRR | MCAT Ltd. CIDR-block NO.136 | MAINT-AS131923 | Mar 1, 2026 |
| 218.45.66.0/23 | AS131923 | JPIRR | MCAT Ltd. CIDR-block NO.120 | MAINT-AS131923 | Mar 1, 2026 |
| 218.45.66.0/24 | AS131923 | JPIRR | MCAT Ltd. CIDR-block NO.137 | MAINT-AS131923 | Mar 1, 2026 |
| 218.45.67.0/24 | AS131923 | JPIRR | MCAT Ltd. CIDR-block NO.138 | MAINT-AS131923 | Mar 1, 2026 |
| 218.45.68.0/22 | AS131923 | JPIRR | MCAT Ltd. CIDR-block NO.112 | MAINT-AS131923 | Mar 1, 2026 |
| 218.45.68.0/23 | AS131923 | JPIRR | MCAT Ltd. CIDR-block NO.121 | MAINT-AS131923 | Mar 1, 2026 |
| 218.45.68.0/24 | AS131923 | JPIRR | MCAT Ltd. CIDR-block NO.139 | MAINT-AS131923 | Mar 1, 2026 |
| 218.45.69.0/24 | AS131923 | JPIRR | MCAT Ltd. CIDR-block NO.140 | MAINT-AS131923 | Mar 1, 2026 |
| 218.45.70.0/23 | AS131923 | JPIRR | MCAT Ltd. CIDR-block NO.122 | MAINT-AS131923 | Mar 1, 2026 |
| 218.45.70.0/24 | AS131923 | JPIRR | MCAT Ltd. CIDR-block NO.141 | MAINT-AS131923 | Mar 1, 2026 |
| 218.45.71.0/24 | AS131923 | JPIRR | MCAT Ltd. CIDR-block NO.142 | MAINT-AS131923 | Mar 1, 2026 |
| 218.45.72.0/21 | AS131923 | JPIRR | MCAT Ltd. CIDR-block NO.108 | MAINT-AS131923 | Mar 1, 2026 |
| 218.45.72.0/22 | AS131923 | JPIRR | MCAT Ltd. CIDR-block NO.113 | MAINT-AS131923 | Mar 1, 2026 |
| 218.45.72.0/23 | AS131923 | JPIRR | MCAT Ltd. CIDR-block NO.123 | MAINT-AS131923 | Mar 1, 2026 |
| 218.45.72.0/24 | AS131923 | JPIRR | MCAT Ltd. CIDR-block NO.143 | MAINT-AS131923 | Mar 1, 2026 |
| 218.45.73.0/24 | AS131923 | JPIRR | MCAT Ltd. CIDR-block NO.144 | MAINT-AS131923 | Mar 1, 2026 |
| 218.45.74.0/23 | AS131923 | JPIRR | MCAT Ltd. CIDR-block NO.124 | MAINT-AS131923 | Mar 1, 2026 |
| 218.45.74.0/24 | AS131923 | JPIRR | MCAT Ltd. CIDR-block NO.145 | MAINT-AS131923 | Mar 1, 2026 |
| 218.45.75.0/24 | AS131923 | JPIRR | MCAT Ltd. CIDR-block NO.146 | MAINT-AS131923 | Mar 1, 2026 |
| 218.45.76.0/22 | AS131923 | JPIRR | MCAT Ltd. CIDR-block NO.114 | MAINT-AS131923 | Mar 1, 2026 |
| 218.45.76.0/23 | AS131923 | JPIRR | MCAT Ltd. CIDR-block NO.125 | MAINT-AS131923 | Mar 1, 2026 |
| 218.45.76.0/24 | AS131923 | JPIRR | MCAT Ltd. CIDR-block NO.147 | MAINT-AS131923 | Mar 1, 2026 |
| 218.45.77.0/24 | AS131923 | JPIRR | MCAT Ltd. CIDR-block NO.148 | MAINT-AS131923 | Mar 1, 2026 |
| 218.45.78.0/23 | AS131923 | JPIRR | MCAT Ltd. CIDR-block NO.126 | MAINT-AS131923 | Mar 1, 2026 |
| 218.45.78.0/24 | AS131923 | JPIRR | MCAT Ltd. CIDR-block NO.149 | MAINT-AS131923 | Mar 1, 2026 |
| 218.45.79.0/24 | AS131923 | JPIRR | MCAT Ltd. CIDR-block NO.150 | MAINT-AS131923 | Mar 1, 2026 |
| 218.45.80.0/20 | AS131923 | JPIRR | MCAT Ltd. CIDR-block NO.106 | MAINT-AS131923 | Mar 1, 2026 |
| 218.45.80.0/21 | AS131923 | JPIRR | MCAT Ltd. CIDR-block NO.109 | MAINT-AS131923 | Mar 1, 2026 |
| 218.45.80.0/22 | AS131923 | JPIRR | MCAT Ltd. CIDR-block NO.115 | MAINT-AS131923 | Mar 1, 2026 |
| 218.45.80.0/23 | AS131923 | JPIRR | MCAT Ltd. CIDR-block NO.127 | MAINT-AS131923 | Mar 1, 2026 |
| 218.45.80.0/24 | AS131923 | JPIRR | MCAT Ltd. CIDR-block NO.151 | MAINT-AS131923 | Mar 1, 2026 |
| 218.45.81.0/24 | AS131923 | JPIRR | MCAT Ltd. CIDR-block NO.152 | MAINT-AS131923 | Mar 1, 2026 |
| 218.45.82.0/23 | AS131923 | JPIRR | MCAT Ltd. CIDR-block NO.128 | MAINT-AS131923 | Mar 1, 2026 |
| 218.45.82.0/24 | AS131923 | JPIRR | MCAT Ltd. CIDR-block NO.153 | MAINT-AS131923 | Mar 1, 2026 |
| 218.45.83.0/24 | AS131923 | JPIRR | MCAT Ltd. CIDR-block NO.154 | MAINT-AS131923 | Mar 1, 2026 |
| 218.45.84.0/22 | AS131923 | JPIRR | MCAT Ltd. CIDR-block NO.116 | MAINT-AS131923 | Mar 1, 2026 |
| 218.45.84.0/23 | AS131923 | JPIRR | MCAT Ltd. CIDR-block NO.129 | MAINT-AS131923 | Mar 1, 2026 |
| 218.45.84.0/24 | AS131923 | JPIRR | MCAT Ltd. CIDR-block NO.155 | MAINT-AS131923 | Mar 1, 2026 |
| 218.45.85.0/24 | AS131923 | JPIRR | MCAT Ltd. CIDR-block NO.156 | MAINT-AS131923 | Mar 1, 2026 |
| 218.45.86.0/23 | AS131923 | JPIRR | MCAT Ltd. CIDR-block NO.130 | MAINT-AS131923 | Mar 1, 2026 |
| 218.45.86.0/24 | AS131923 | JPIRR | MCAT Ltd. CIDR-block NO.157 | MAINT-AS131923 | Mar 1, 2026 |
| 218.45.87.0/24 | AS131923 | JPIRR | MCAT Ltd. CIDR-block NO.158 | MAINT-AS131923 | Mar 1, 2026 |
| 218.45.88.0/21 | AS131923 | JPIRR | MCAT Ltd. CIDR-block NO.110 | MAINT-AS131923 | Mar 1, 2026 |
| 218.45.88.0/22 | AS131923 | JPIRR | MCAT Ltd. CIDR-block NO.117 | MAINT-AS131923 | Mar 1, 2026 |
| 218.45.88.0/23 | AS131923 | JPIRR | MCAT Ltd. CIDR-block NO.131 | MAINT-AS131923 | Mar 1, 2026 |
| 218.45.88.0/24 | AS131923 | JPIRR | MCAT Ltd. CIDR-block NO.159 | MAINT-AS131923 | Mar 1, 2026 |
| 218.45.89.0/24 | AS131923 | JPIRR | MCAT Ltd. CIDR-block NO.160 | MAINT-AS131923 | Mar 1, 2026 |
| 218.45.90.0/23 | AS131923 | JPIRR | MCAT Ltd. CIDR-block NO.132 | MAINT-AS131923 | Mar 1, 2026 |
| 218.45.90.0/24 | AS131923 | JPIRR | MCAT Ltd. CIDR-block NO.161 | MAINT-AS131923 | Mar 1, 2026 |
| 218.45.91.0/24 | AS131923 | JPIRR | MCAT Ltd. CIDR-block NO.162 | MAINT-AS131923 | Mar 1, 2026 |
| 218.45.92.0/22 | AS131923 | JPIRR | MCAT Ltd. CIDR-block NO.118 | MAINT-AS131923 | Mar 1, 2026 |
| 218.45.92.0/23 | AS131923 | JPIRR | MCAT Ltd. CIDR-block NO.133 | MAINT-AS131923 | Mar 1, 2026 |
| 218.45.92.0/24 | AS131923 | JPIRR | MCAT Ltd. CIDR-block NO.163 | MAINT-AS131923 | Mar 1, 2026 |
| 218.45.93.0/24 | AS131923 | JPIRR | MCAT Ltd. CIDR-block NO.164 | MAINT-AS131923 | Mar 1, 2026 |
| 218.45.94.0/23 | AS131923 | JPIRR | MCAT Ltd. CIDR-block NO.134 | MAINT-AS131923 | Mar 1, 2026 |
| 218.45.94.0/24 | AS131923 | JPIRR | MCAT Ltd. CIDR-block NO.165 | MAINT-AS131923 | Mar 1, 2026 |
| 218.45.95.0/24 | AS131923 | JPIRR | MCAT Ltd. CIDR-block NO.166 | MAINT-AS131923 | Mar 1, 2026 |
Whois
Registration for this announcement
- Range
- 218.45.64.0/19
- Netname
- MCAT-CIDR-BLK-JP
- Registrant
- MCAT Ltd.
- Registrant country
- JP
- Organization
- MCAT Ltd.
- Org country
- JP
- Created
- Not stated by the registry
- Updated
- Dec 12, 2022
- RIR
- APNIC
- Country
- JP
- Delegated
- May 31, 2001
- Status
- assigned
Report abuse
Abuse contact
- [email protected]