Data as of Nov 5, 2026
133.152.0.0/18
No anonymizer space · no proxy exits in 30 daysDWANGO Co.,Ltd. · space held by Japan Network Information Center
Network & registry
Announced by
Covering announcement 133.152.0.0/17
- Prefix
- 133.152.0.0/17
- Announced by
- AS38634 DWANGO Co.,Ltd.
- Type
- Business
- RPKI
- RPKI valid
- Netname
- JPNIC-NET-JP-ERX
- Registrant
- Japan Network Information Center
- RIR
- APNIC
Origin network
AS38634
JP
- Name
- DWANGO Co.,Ltd.
- Type
- Business
- Registered
- Aug 20, 2007
- Domain
- dwango.co.jp
- Website
- dwango.co.jp/
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced 133.152.0.0/17
133.152.0.0/17
Routing history
- Pattern
- Stable
- First seen
- Jul 2009
- Current origin since
- Jun 2018 · 8.4 yr
- Origin networks
- 2
- Last change of origin
- Jun 2018
Recorded history
History
- Handoffs
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 133.152.0.0/17 | AS38634 | /17 | APNIC | RPKI valid |
IRR
Route objects on 133.152.0.0/17
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS38634 | JPIRR | DWANGO Co.,Ltd. | MAINT-AS38634 | Nov 5, 2025 |
Whois
Registration for this announcement
- Range
- 133.
0. 0. 0/ 8 - Netname
- JPNIC-NET-JP-ERX
- Registrant
- Japan Network Information Center
- Registrant country
- JP
- Organization
- Japan Network Information Center
- Org country
- JP
- Type
- ALLOCATED PORTABLE
- Created
- Not stated by the registry
- Updated
- Nov 1, 2022
- Maintainer
- APNIC-HM
- RIR
- APNIC
- Country
- JP
- Delegated
- Mar 1, 1997
- Status
- assigned
Report abuse
Abuse contact
- hostmaster@
nic. ad. jp - Name
- ABUSE JPNICJP
- Handle
- AJ382-AP