Data as of Nov 4, 2026
31.184.131.0/24
No anonymizer space · no proxy exits in 30 daysICT Research Institute (Iran Telecommunications Research Center 'ITRC') · space held by GOSTARESH-E-ERTEBATAT-E MABNA COMPANY (Private Joint Stock)
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 31.184.130.0/23 since Jan 2017 | AS57292 | Business | GOSTARESH-E-ERTEBATAT-E MABNA COMPANY (Private Joint Stock) | ||
| 31.184.128.0/18 since Jul 2019 | AS51074 | Residential | 336 | GOSTARESH-E-ERTEBATAT-E MABNA COMPANY (Private Joint Stock) |
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 |
|---|---|---|---|---|---|---|
| 31.184.128.0/18 | 16,384 | IR-MABNA-20110301 | GOSTARESH-E-ERTEBATAT-E MABNA COMPANY (Private Joint Stock) (ORG-GEMC1-RIPE) · IR | ALLOCATED PA | Mar 1, 2011 | [email protected] |
| └ 31.184.130.0/23 | 512 | Communications-and-IT-Research-Institute | Communications and IT Research Institute | ASSIGNED PA | Jul 28, 2018 | [email protected] via IR-MABNA-20110301 |
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
Registry
Holder
- Organization
- GOSTARESH-E-ERTEBATAT-E MABNA COMPANY (Private Joint Stock)
- Handle
- ORG-GEMC1-RIPE
- Range
- 31.184.128.0/18
- Registration type
- ALLOCATED PA
- Record created
- Mar 1, 2011
Origin network
AS57292
IR
- Name
- ICT Research Institute (Iran Telecommunications Research Center 'ITRC')
- Type
- Education
- Registered
- Dec 7, 2015
- Domain
- itrc.ac.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
- Rotating
- First seen
- Feb 2014
- Current origin since
- Aug 2016 · 10 yr
- Origin networks
- 2
- Last change of origin
- Aug 2023
Recorded history
History
- Handoffs
- 2
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 31.184.131.0/24 | AS57292 | /24 | RIPE | RPKI valid |
| 31.184.130.0/23 | AS57292 | /24 | RIPE | RPKI valid |
| 31.184.128.0/18 | AS51074 | /24 | RIPE | Another network |
Whois
Registration for this announcement
- Range
- 31.184.130.0/23
- Netname
- Communications-and-IT-Research-Institute
- Registrant
- Communications and IT Research Institute
- Registrant country
- IR
- Organization
- Communications and IT Research Institute
- Org country
- IR
- Type
- ASSIGNED PA
- Created
- Jul 28, 2018
- Updated
- Jul 28, 2018
- Maintainer
- MNT-MABNA
- RIR
- RIPE NCC
- Country
- IR
- Delegated
- Mar 1, 2011
- Status
- assigned
Report abuse
Abuse contact
- [email protected]
- Name
- Mabna Co. Networks Role
- Handle
- MCNR1-RIPE