Data as of Nov 5, 2026
157.102.0.0/16
1 residential-proxy exit · 30 daysResearch Organization of Information and Systems, National Institute of Informatics · space held by Teikyo University
Residential-proxy exits
Proxy exits
1
<0.01% of its addresses · 30 days
Spread
1 of 256
/24s with at least one exit
Providers
2
selling exits here
Oct 6, 2026 – Nov 4, 2026
Exits seen per day
2 observations
Proxy providers listing exits
- FastProxy
- LemonBright
Network & registry
Origin network
AS2907
JP
- Name
- Research Organization of Information and Systems, National Institute of Informatics
- Type
- Education
- Registered
- Aug 1, 2002
- Domain
- sinet.ad.jp
- Website
- www.sinet.ad.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
- May 2005
- Current origin since
- Jan 2011 · 16 yr
- Origin networks
- 2
- Last change of origin
- Jan 2011
Recorded history
History
- Handoffs
- 1
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS2907 | JPIRR | Teikyo University | MAINT-AS2907 | Dec 1, 2025 |
IRR inside
Route objects inside
| Prefix | Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|---|
| 157.102.0.0/17 | AS2907 | JPIRR | Teikyo University | MAINT-AS2907 | Jan 5, 2026 |
| 157.102.128.0/17 | AS2907 | JPIRR | Teikyo University | MAINT-AS2907 | Jan 5, 2026 |
Whois
Registration for this announcement
- Range
- 157.
102. 0. 0/ 16 - Netname
- TUC-NET
- Registrant
- Teikyo University
- Registrant country
- JP
- Organization
- Teikyo University
- Org country
- JP
- Type
- ALLOCATED PORTABLE
- Created
- Not stated by the registry
- Updated
- Nov 28, 2025
- Maintainer
- MAINT-JPNIC
- RIR
- APNIC
- Country
- JP
- Delegated
- Feb 8, 1992
- Status
- assigned
Report abuse
Abuse contact
- hostmaster@
nic. ad. jp - Name
- IRT-JPNIC-JP
- Handle
- IRT-JPNIC-JP