Data as of Nov 6, 2026
164.162.4.0/24
No anonymizer space · no proxy exits in 30 daysNTT DOCOMO BUSINESS,Inc. · space held by Astellas Pharma Inc.
Announcement
this exact prefix
No RPKI
Announced by
Type
Business
Risk
0 / 100 · Low
Recent change
New origin Oct 10, 2026
its first announcement on record
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 164.162.0.0/16 since Apr 2021 | AS10010 | Business | Astellas Pharma Inc. |
Network & registry
Origin network
AS4713
JP
- Name
- NTT DOCOMO BUSINESS,Inc.
- Type
- Internet provider
- Registered
- Aug 30, 1995
- Domain
- ntt.com
- Website
- www.ntt.com/en/index.html
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Oct 10, 2026
- Current origin since
- Oct 10, 2026 · under a month
- Origin networks
- 1
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS4713 | RADB | Astellas Pharma Inc. | MAINT-AS4713 | Oct 13, 2026 |
Whois
Registration for this announcement
- Range
- 164.
162. 0. 0/ 16 - Netname
- ASTELLAS
- Registrant
- Astellas Pharma Inc.
- Registrant country
- JP
- Organization
- Astellas Pharma Inc.
- Org country
- JP
- Type
- ALLOCATED PORTABLE
- Created
- Not stated by the registry
- Updated
- Dec 1, 2015
- Maintainer
- MAINT-JPNIC
- RIR
- APNIC
- Country
- JP
- Delegated
- Mar 19, 1993
- Status
- assigned
Report abuse
Abuse contact
- hostmaster@
nic. ad. jp - Name
- IRT-JPNIC-JP
- Handle
- IRT-JPNIC-JP