Data as of Nov 7, 2026
133.157.8.0/24
Anonymizer · ISP proxyFiber Optical Network LLC · space held by Japan Network Information Center
Announcement
this exact prefix
RPKI valid
Announced by
Type
ISP proxy
Risk
90 / 100 · Critical
Recent change
New origin Oct 22, 2026
its first announcement on record
IPv4 market
Path
Announced by AS6282 since Oct 22, 2026 · 2 wk ago
1 · Holder
2 · Leased from
4 · Use
ISP proxy
anonymizer space, operator not named
Operators, sellers and brokers
Leased from
IP brokers
| Name | In 133.157.8.0/24 | /24s |
|---|---|---|
| Ace Data Centers | 256100% | 1 |
Lineage
How this block came to its use, oldest first. The whole IPv4 market →
133.157.8.0/24
From the registry to its use
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 133.157.8.0/22 since Sep 28, 2026 | AS58325 | Hosting | 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 |
|---|---|---|---|---|---|---|
| 133.0.0.0/8 | 16,777,216 | JPNIC-NET-JP-ERX | Japan Network Information Center | ALLOCATED PORTABLE | — | hostmaster@ |
Network & registry
IPv4 market
Holder
- Organization
- Japan Network Information Center
- Range
- 133.
0. 0. 0/ 8 - Registration type
- ALLOCATED PORTABLE
Origin network
AS6282
US
- Name
- Fiber Optical Network LLC
- Type
- Hosting
- Registered
- Mar 23, 2021
- Domain
- fiberopticalnetwork.com
- Industry
- Hosting and Cloud Provider
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Oct 22, 2026
- Current origin since
- Oct 22, 2026 · under a month
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 133.157.8.0/22 | AS6282 | /24 | APNIC | RPKI valid |
| 133.157.8.0/22 | AS7529 | /24 | APNIC | Another network |
| 133.157.8.0/22 | AS58325 | /24 | APNIC | Another network |
| 133.157.0.0/16 | AS0 | /16 | APNIC | Another network |
Whois
Registration for this announcement
- Range
- 133.
157. 0. 0/ 16 - Netname
- NETIRD-CIDR-BLK-JP
- Registrant
- GMO NetIRD, Inc.
- Registrant country
- JP
- Organization
- GMO NetIRD, Inc.
- Org country
- JP
- Created
- Not stated by the registry
- Updated
- Jan 19, 2026
- RIR
- APNIC
- Country
- JP
- Delegated
- Mar 1, 1997
- Status
- assigned
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