Data as of Nov 10, 2026
51.39.156.0/24
No anonymizer space · no proxy exits in 30 daysMobile Telecommunication Company Saudi Arabia Joint-Stock company
Announcement
this exact prefix
RPKI valid
Announced by
Type
Mobile
Risk
10 / 100 · Low
Shared address
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 51.39.156.0/23 since Mar 2020 | AS43766 | Mobile | 56 39 always on | Mobile Telecommunication Company Saudi Arabia Joint-Stock company | |
| 51.39.152.0/21 since Apr 2026 | AS43766 | Mobile | 64 39 always on | Mobile Telecommunication Company Saudi Arabia Joint-Stock company | |
| 51.39.144.0/20 since Oct 2015 | AS43766 | Mobile | 991 40 always on | Mobile Telecommunication Company Saudi Arabia Joint-Stock company | |
| 51.39.128.0/18 since Apr 2025 | AS43766 | Mobile | 6,904 55 always on | Mobile Telecommunication Company Saudi Arabia Joint-Stock company |
Network & registry
Origin network
AS43766
SA
- Name
- Mobile Telecommunication Company Saudi Arabia Joint-Stock company
- Type
- Internet provider
- Registered
- Sep 25, 2007
- Domain
- zain.com
- Website
- www.sa.zain.com
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Aug 2023
- Current origin since
- Dec 2025 · 10 mo
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 51.39.156.0/24 | AS43766 | /24 | RIPE | RPKI valid |
| 51.39.156.0/23 | AS43766 | /23 | RIPE | Too specific |
| 51.39.152.0/21 | AS43766 | /21 | RIPE | Too specific |
| 51.39.144.0/20 | AS43766 | /20 | RIPE | Too specific |
| 51.39.128.0/18 | AS43766 | /18 | RIPE | Too specific |
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS43766 | RIPE | MTCKSA-MNT | Apr 13, 2020 |
Whois
Registration for this announcement
- Range
- 51.
39. 0. 0/ 16 - Netname
- SA-MTC
- Registrant
- Mobile Telecommunication Company Saudi Arabia Joint-Stock company
- Registrant country
- SA
- Organization
- Mobile Telecommunication Company Saudi Arabia Joint-Stock company (ORG-MK8-RIPE)
- Org country
- SA
- Type
- LEGACY
- Created
- Sep 23, 2015
- Updated
- May 25, 2025
- Maintainer
- MTCKSA-MNT
- RIR
- RIPE NCC
- Country
- SA
- Delegated
- Sep 1, 1993
- Status
- assigned
Report abuse
Abuse contact
- Zain.
RIPE@ sa. zain. com - Name
- Abuse-C Role
- Handle
- AR17085-RIPE