Data as of Nov 8, 2026
220.156.64.0/19
No anonymizer space · no proxy exits in 30 daysInternet Initiative Japan Inc.
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 |
|---|---|---|---|---|---|---|
| 220. | 40,960 | IIJ | Internet Initiative Japan Inc. | ALLOCATED PORTABLE | — | hostmaster@ |
Composition
The types across the prefix's announced space, by addresses.
Announced space
Address share
Announced space
Types across the prefix
8,192 addresses
| Type | Addresses | Share | Ranges | |
|---|---|---|---|---|
| Internet provider | 5,376 | 66% | 4 | |
| Mobile | 2,816 | 34% | 11 |
Network & registry
IPv4 market
Holder
- Organization
- Internet Initiative Japan Inc.
- Range
- 220.
156. 0. 0 - 220. 156. 159. 255 - Registration type
- ALLOCATED PORTABLE
Origin network
AS2497
JP
- Name
- Internet Initiative Japan Inc.
- Type
- Internet provider
- Registered
- Apr 5, 2002
- Domain
- iij.ad.jp
- Website
- www.iij.ad.jp/en/
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Stable
- First seen
- Jan 2022
- Current origin since
- Jan 2022 · 4.8 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 220.156.64.0/19 | AS2497 | /19 | APNIC | RPKI valid |
Whois
Registration for this announcement
- Range
- 220.
156. 64. 0/ 19 - Netname
- IIJ-CIDR-BLK-JP
- Registrant
- Internet Initiative Japan Inc.
- Registrant country
- JP
- Organization
- Internet Initiative Japan Inc.
- Org country
- JP
- Created
- Not stated by the registry
- Updated
- Aug 1, 2014
- RIR
- APNIC
- Country
- JP
- Delegated
- Apr 13, 2004
- Status
- assigned
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