Data as of Nov 4, 2026
219.99.128.0/20
No anonymizer space · no proxy exits in 30 daysAT TOKYO Corporation · 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 |
|---|---|---|---|---|---|---|
| 219.96.0.0/11 | 2,097,152 | JPNIC-NET-JP | Japan Network Information Center | ALLOCATED PORTABLE | — | [email protected] |
Network & registry
IPv4 market
Holder
- Organization
- Japan Network Information Center
- Range
- 219.96.0.0/11
- Registration type
- ALLOCATED PORTABLE
Origin network
AS9999
JP
- Name
- AT TOKYO Corporation
- Type
- Hosting
- Registered
- Apr 27, 2000
- Domain
- attokyo.co.jp
- Website
- www.attokyo.co.jp/
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Stable
- First seen
- May 2005
- Current origin since
- May 2005 · 21 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 219.99.128.0/20 | AS9999 | /20 | APNIC | RPKI valid |
Whois
Registration for this announcement
- Range
- 219.99.128.0/20
- Netname
- ATTOKYO-CIDR-BLK-JP
- Registrant
- AT TOKYO Corporation
- Registrant country
- JP
- Organization
- AT TOKYO Corporation
- Org country
- JP
- Created
- Not stated by the registry
- Updated
- Jun 6, 2012
- RIR
- APNIC
- Country
- JP
- Delegated
- Mar 7, 2002
- Status
- assigned
Report abuse
Abuse contact
- [email protected]