Data as of Nov 5, 2026
163.220.224.0/20
No anonymizer space · no proxy exits in 30 daysIndustrial Cyber Security Center of Excellence
Announcements
More specific
Announcements inside
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 163.220.228.0/22 since Jul 2023 | AS63798 | Internet provider | Industrial Cyber Security Center of Excellence |
Composition
The types across the prefix's announced space, by addresses.
Announced space
Address share
Announced space
Types across the prefix
4,096 addresses
| Type | Addresses | Share | Ranges | |
|---|---|---|---|---|
| Business | 3,072 | 75% | 2 | |
| Internet provider | 1,024 | 25% | 1 |
Network & registry
Origin network
AS63770
JP
- Name
- Industrial Cyber Security Center of Excellence
- Type
- Education
- Registered
- Aug 25, 2014
- Domain
- icscoe.jp
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Stable
- First seen
- Nov 2017
- Current origin since
- Nov 2017 · 9.0 yr
- Origin networks
- 1
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS63770 | JPIRR | Industrial Cyber Security Center of Excellence | MAINT-AS59103 | Feb 26, 2026 |
Whois
Registration for this announcement
- Range
- 163.
220. 192. 0 - 163. 220. 251. 255 - Netname
- ICSCOE-CIDR-BLK-JP
- Registrant
- Industrial Cyber Security Center of Excellence
- Registrant country
- JP
- Organization
- Industrial Cyber Security Center of Excellence
- Org country
- JP
- Created
- Not stated by the registry
- Updated
- Jul 9, 2019
- RIR
- APNIC
- Country
- JP
- Delegated
- Apr 2, 1993
- Status
- assigned
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