Data as of Nov 7, 2026
194.225.234.0/23
No anonymizer space · no proxy exits in 30 daysIran University Of Science and Technology · space held by Institute for Research in Fundamental Sciences
Announced by
Type
Business
Recent change
New origin Jun 2026
from AS41620 Iran University Of Science and Technology, after 3.7 years unannounced
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 194.225.224.0/20 since Nov 2006 | AS41620 | Business | 166 | Institute for Research in Fundamental Sciences | |
| 194.225.128.0/17 since Jun 2011 | AS6736 | Business | 285 | Institute for Research in Fundamental Sciences | |
| 194.225.0.0/16 since May 2005 | AS6736 | Business | 407 1 always on | Institute for Research in Fundamental Sciences |
More specific
Announcements inside
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 194.225.234.0/24 since Oct 10, 2026 | AS41620 | Business | Institute for Research in Fundamental Sciences |
Registrations in this block
The registry's network records over this block, widest first, each under its parent.
| Range | Addresses | Netname | Holder | Type | Created | Abuse contact |
|---|---|---|---|---|---|---|
| 194.225.0.0/16 | 65,536 | IR-IRANET-951229 | Institute for Research in Fundamental Sciences (ORG-IA30-RIPE) · IR | ALLOCATED PA | Mar 15, 2002 | abuse@ |
| └ 194.225.224.0/20 | 4,096 | IUSTECH | University of Science & Technology | ASSIGNED PA | Sep 4, 2004 | abuse@ |
Network & registry
Announced by
Covering announcement 194.225.232.0/21
- Prefix
- 194.225.232.0/21
- Announced by
- AS41620 Iran University Of Science and Technology
- Type
- Business
- Proxy exits
- 166
- RPKI
- RPKI valid
- Netname
- IUSTECH
- Registrant
- University of Science & Technology
- RIR
- RIPE NCC
Registry
Holder
- Organization
- Institute for Research in Fundamental Sciences
- Handle
- ORG-IA30-RIPE
- Range
- 194.
225. 0. 0/ 16 - Registration type
- ALLOCATED PA
- Record created
- Mar 15, 2002
Origin network
AS41620
IR
- Name
- Iran University Of Science and Technology
- Type
- Education
- Registered
- Sep 26, 2006
- Domain
- iust.ac.ir
- Industry
- Colleges, Universities, and Professional Schools
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
194.225.232.0/21
Routing history
- Pattern
- Stable
- First seen
- Nov 2008
- Current origin since
- Jun 2026 · 4 mo
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 194.225.224.0/20 | AS41620 | /24 | RIPE | RPKI valid |
| 194.225.0.0/16 | AS6736 | /24 | RIPE | Another network |
| 194.225.0.0/16 | AS34837 | /24 | RIPE | Another network |
Whois
Registration for this announcement
- Range
- 194.
225. 224. 0/ 20 - Netname
- IUSTECH
- Registrant
- University of Science & Technology
- Registrant country
- IR
- Organization
- University of Science & Technology
- Org country
- IR
- Type
- ASSIGNED PA
- Created
- Sep 4, 2004
- Updated
- Aug 17, 2020
- Maintainer
- IPM-MNT
- RIR
- RIPE NCC
- Country
- IR
- Delegated
- Dec 29, 1995
- Status
- assigned
Report abuse
Abuse contact
- abuse@
iust. ac. ir - Name
- University of Science & Technology ABUSE object
- Handle
- UOST1-RIPE