Data as of Nov 4, 2026
133.88.232.0/21
No anonymizer space · no proxy exits in 30 daysChubu Telecommunications Company, Inc. · 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 |
|---|---|---|---|---|---|---|
| 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
AS18126
JP
- Name
- Chubu Telecommunications Company, Inc.
- Type
- Internet provider
- Registered
- Mar 21, 2002
- Domain
- ctc.co.jp
- Website
- www.ctc.co.jp/
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Stable
- First seen
- Feb 2023
- Current origin since
- Feb 2023 · 3.7 yr
- Origin networks
- 1
Whois
Registration for this announcement
- Range
- 133.
88. 224. 0/ 19 - Netname
- SIST-NET-CIDR-BLK-JP
- Registrant
- Shizuoka Institute of Science and Technology
- Registrant country
- JP
- Organization
- Shizuoka Institute of Science and Technology
- Org country
- JP
- Created
- Not stated by the registry
- Updated
- Apr 9, 2025
- RIR
- APNIC
- Country
- JP
- Delegated
- Mar 1, 1997
- Status
- assigned