Data as of Nov 8, 2026
202.253.108.0/23
No anonymizer space · no proxy exits in 30 daysTeikyo University · space held by Japan Network Information Center
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 202.253.108.0/22 since Aug 2022 | AS18091 | Business | 2 | 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 |
|---|---|---|---|---|---|---|
| 202.240.0.0/12 | 1,048,576 | JPNIC-NET-JP | Japan Network Information Center | ALLOCATED PORTABLE | — | hostmaster@ |
Network & registry
IPv4 market
Holder
- Organization
- Japan Network Information Center
- Range
- 202.
240. 0. 0/ 12 - Registration type
- ALLOCATED PORTABLE
Origin network
AS18091
JP
- Name
- Teikyo University
- Type
- Education
- Registered
- Dec 27, 2001
- Domain
- teikyo-u.ac.jp
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Sep 2009
- Current origin since
- Sep 2009 · 17 yr
- Origin networks
- 1
Whois
Registration for this announcement
- Range
- 202.
253. 108. 0/ 22 - Netname
- THICNET-CIDR-BLK-JP
- Registrant
- Teikyo University
- Registrant country
- JP
- Organization
- Teikyo University
- Org country
- JP
- Created
- Not stated by the registry
- Updated
- Aug 13, 2008
- RIR
- APNIC
- Country
- JP
- Delegated
- Mar 29, 1995
- Status
- assigned