Data as of Nov 7, 2026
81.31.176.0/22
No anonymizer space · no proxy exits in 30 daysSharif University Of Technology
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 81.31.160.0/19 since May 2005 | AS12660 | Business | 2 | Sharif University Of Technology |
Network & registry
Origin network
AS12660
IR
- Name
- Sharif University Of Technology
- Type
- Education
- Registered
- Aug 15, 2002
- Domain
- sharif.ir
- Industry
- Colleges, Universities, and Professional Schools
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Feb 2015
- Current origin since
- Dec 2018 · 7.9 yr
- Origin networks
- 1
Whois
Registration for this announcement
- Range
- 81.
31. 160. 0/ 19 - Netname
- IR-SHARIF-20020603
- Registrant
- Sharif University Of Technology
- Registrant country
- IR
- Organization
- Sharif University Of Technology (ORG-SUOT1-RIPE)
- Org country
- IR
- Type
- ALLOCATED PA
- Created
- Dec 8, 2003
- Updated
- May 20, 2025
- Maintainer
- RIPE-NCC-HM-MNT
- RIR
- RIPE NCC
- Country
- IR
- Delegated
- Dec 8, 2003
- Status
- assigned
Report abuse
Abuse contact
- ripe@
sharif. edu - Name
- Abuse-C Role
- Handle
- AR15663-RIPE