Data as of Nov 11, 2026
46.38.131.0/25
No anonymizer space · no proxy exits in 30 daysInstitute for Research in Fundamental Sciences · space held by Farhang Azma Communications Company LTD
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 |
|---|---|---|---|---|---|---|
| 46.38.128.0/19 | 8,192 | IR-AZMA-20101125 | Farhang Azma Communications Company LTD (ORG-FACL1-RIPE) · IR | ALLOCATED PA | Nov 25, 2010 | abuse@ |
| └ 46.38.131.0/24 | 256 | VNU | unknown | SUB-ALLOCATED PA | Feb 8, 2020 | abuse@ via IR-AZMA-20101125 |
| └ 46.38.131.0/25 | 128 | PCC | Petrochemical Commercial Company | ASSIGNED PA | Jun 20, 2016 | abuse@ via VNU |
A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.
Network & registry
Announced by
Covering announcement 46.38.131.0/24
- Prefix
- 46.38.131.0/24
- Announced by
- AS34837 Institute for Research in Fundamental Sciences
- Type
- Business
- RPKI
- RPKI valid
- Netname
- VNU
- RIR
- RIPE NCC
IPv4 market
Holder
- Organization
- Farhang Azma Communications Company LTD
- Handle
- ORG-FACL1-RIPE
- Range
- 46.
38. 128. 0/ 19 - Registration type
- ALLOCATED PA
- Record created
- Nov 25, 2010
- Reallocated to
- Not named in the registry
- Reallocated range
- 46.
38. 131. 0/ 24 - Reallocation type
- SUB-ALLOCATED PA
- Reallocated
- Feb 8, 2020
Origin network
AS34837
IR
- Name
- Institute for Research in Fundamental Sciences
- Type
- Education
- Registered
- Mar 2, 2010
- Domain
- ipm.ac.ir
- Industry
- Colleges, Universities, and Professional Schools
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced 46.38.131.0/24
latest 12 of 16 stints
46.38.131.0/24
Routing history
- Pattern
- Stable
- First seen
- May 2011
- Current origin since
- Jan 2020 · 6.8 yr
- Origin networks
- 3
- Last change of origin
- Feb 2020
Recorded history
History
- Stints on record
- 16
- Handoffs
- 4
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 46.38.131.0/24 | AS34837 | /24 | RIPE | RPKI valid |
| 46.38.131.0/24 | AS44889 | /24 | RIPE | Another network |
Whois
Registration for this announcement
- Range
- 46.
38. 131. 0/ 24 - Netname
- VNU
- Registrant country
- GB
- Organization
- Not stated by the registry
- Type
- SUB-ALLOCATED PA
- Created
- Feb 8, 2020
- Updated
- Oct 22, 2025
- Maintainer
- AZMA-MNT
- RIR
- RIPE NCC
- Country
- IR
- Delegated
- Nov 25, 2010
- Status
- assigned
Report abuse
Abuse contact
- abuse@
azmagroup. ir - Name
- Abuse-C Role
- Handle
- AR15617-RIPE