Data as of Nov 10, 2026
51.211.136.0/24
No anonymizer space · no proxy exits in 30 daysSaudi Telecom Company JSC
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 51.211.0.0/16 since Feb 2025 | AS25019 | Residential | 19,089 4 always on | Saudi Telecom Company JSC |
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 |
|---|---|---|---|---|---|---|
| 51.211.0.0/16 | 65,536 | SA-STC-19930901 | Saudi Telecom Company JSC (ORG-SSTC1-RIPE) · SA | ALLOCATED PA | May 29, 2015 | registry@ |
| └ 51.211.128.0/20 | 4,096 | Riyadh-Business-Mobile-Machine-to-Machine | STC, Riyadh Business Mobile Machine-to-Machine | ASSIGNED PA | Jul 20, 2026 | registry@ via SA-STC-19930901 |
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 51.211.128.0/20
- Prefix
- 51.211.128.0/20
- Announced by
- AS39891 Saudi Telecom Company JSC
- Type
- Business
- RPKI
- RPKI valid
- Netname
- Riyadh-Business-Mobile-Machine-to-Machine
- Registrant
- STC, Riyadh Business Mobile Machine-to-Machine
- RIR
- RIPE NCC
IPv4 market
Holder
- Organization
- Saudi Telecom Company JSC
- Handle
- ORG-SSTC1-RIPE
- Range
- 51.
211. 0. 0/ 16 - Registration type
- ALLOCATED PA
- Record created
- May 29, 2015
Origin network
AS39891
SA
- Name
- Saudi Telecom Company JSC
- Type
- Internet provider
- Registered
- May 10, 2006
- Domain
- saudi.net.sa
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
51.211.128.0/20
Routing history
- Pattern
- Stable
- First seen
- Oct 2016
- Current origin since
- Oct 2016 · 10 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 51.211.128.0/20 | AS39891 | /20 | RIPE | RPKI valid |
| 51.211.0.0/16 | AS25019 | /16 | RIPE | Another network |
IRR
Route objects on 51.211.128.0/20
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS39891 | RIPE | Saudinet, Saudi Telecom Company ISP | SAUDINET-STC | Nov 1, 2016 |
Whois
Registration for this announcement
- Range
- 51.
211. 128. 0/ 20 - Netname
- Riyadh-Business-Mobile-Machine-to-Machine
- Registrant
- STC, Riyadh Business Mobile Machine-to-Machine
- Registrant country
- SA
- Organization
- STC, Riyadh Business Mobile Machine-to-Machine
- Org country
- SA
- Type
- ASSIGNED PA
- Created
- Jul 20, 2026
- Updated
- Jul 20, 2026
- Maintainer
- SAUDINET-STC
- RIR
- RIPE NCC
- Country
- SA
- Delegated
- Sep 1, 1993
- Status
- assigned
Report abuse
Abuse contact
- registry@
stc. com. sa - Name
- Saudi Telecom Co. Registry Tech-C contact
- Handle
- STCR2-RIPE