Data as of Nov 4, 2026
183.181.80.0/20
No anonymizer space · no proxy exits in 30 daysXserver Inc.
Announcements
More specific
Announcements inside
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 183.181.80.0/22 since Dec 2021 | AS131965 | Hosting | XServer Networks Inc. | |
| 183.181.84.0/22 since Dec 2021 | AS131965 | Hosting | XServer Networks Inc. | |
| 183.181.88.0/23 since Dec 2021 | AS131965 | Hosting | XServer Networks Inc. | |
| 183.181.90.0/23 since Dec 2021 | AS131965 | Hosting | XServer Networks Inc. | |
| 183.181.92.0/24 since Dec 2021 | AS131965 | Hosting | XServer Networks Inc. | |
| 183.181.94.0/24 since Oct 2020 | AS131965 | Hosting | XServer Networks 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 |
|---|---|---|---|---|---|---|
| 183.181.80.0/21 under 183.181.78.0 - 183.181.93.255 | 2,048 | XSCLD-CIDR-BLK-JP | unknown | — | — | [email protected] |
| 183.181.88.0/22 under 183.181.78.0 - 183.181.93.255 | 1,024 | XSCLD-CIDR-BLK-JP | unknown | — | — | [email protected] |
| 183.181.92.0/23 under 183.181.78.0 - 183.181.93.255 | 512 | XSCLD-CIDR-BLK-JP | unknown | — | — | [email protected] |
| 183.181.94.0/23 | 512 | XSCLD | XServer Networks Inc. | ALLOCATED PORTABLE | — | [email protected] |
Network & registry
IPv4 market
Holder
- Organization
- Not stated by the registry
Origin network
AS131965
JP
- Name
- Xserver Inc.
- Type
- Hosting
- Registered
- Aug 4, 2011
- Domain
- xserver.co.jp
- Website
- www.xserver.co.jp/
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Reactivated
- First seen
- Aug 2016
- Current origin since
- May 2023 · 3.5 yr
- Origin networks
- 2
- Last change of origin
- May 2023
Recorded history
History
- Handoffs
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 183.181.80.0/20 | AS131965 | /24 | APNIC | RPKI valid |
IRR
Route objects on the exact prefix
IRR inside
Route objects inside
| Prefix | Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|---|
| 183.181.80.0/21 | AS131965 | JPIRR | XSERVER Inc. | MAINT-AS131965 | May 13, 2026 |
| 183.181.88.0/22 | AS131965 | JPIRR | XSERVER Inc. | MAINT-AS131965 | May 13, 2026 |
| 183.181.92.0/23 | AS131965 | JPIRR | XSERVER Inc. | MAINT-AS131965 | May 13, 2026 |
| 183.181.93.0/24 | AS131965 | RADB | XSERVER Inc. | MAINT-AS131965 | May 20, 2024 |
| 183.181.93.0/24 | AS131965 | JPIRR | XSERVER Inc. | MAINT-AS131965 | May 13, 2026 |
| 183.181.95.0/24 | AS131965 | RADB | XSERVER Inc. | MAINT-AS131965 | May 20, 2024 |
| 183.181.95.0/24 | AS131965 | JPIRR | XSERVER Inc. | MAINT-AS131965 | May 13, 2026 |
Whois
Registration for this announcement
183.181.80.0/20 spans several registrations: 4 records are listed under Registrations.
- Registrant country
- AU
- RIR
- APNIC
- Country
- JP
- Delegated
- Dec 1, 2009
- Status
- assigned