Data as of Nov 13, 2026
212.138.78.0/24
No anonymizer space · no proxy exits in 30 daysKing Abdul Aziz City for Science and Technology
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 212.138.0.0/16 since May 2005 | AS8895 | Business | 40 1 always on | King Abdul Aziz City for Science and Technology |
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 |
|---|---|---|---|---|---|---|
| 212.138.0.0/16 | 65,536 | SA-KACST-990128 | King Abdul Aziz City for Science and Technology (ORG-KA17-RIPE) · SA | ALLOCATED PA | — | abuse@ |
| └ 212.138.76.0/22 | 1,024 | KACST-2 | King Abdulaziz City for Science and Technology | ASSIGNED PA | — | abuse@ via SA-KACST-990128 |
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
- King Abdul Aziz City for Science and Technology
- Handle
- ORG-KA17-RIPE
- Range
- 212.
138. 0. 0/ 16 - Registration type
- ALLOCATED PA
Origin network
AS8895
SA
- Name
- King Abdul Aziz City for Science and Technology
- Type
- Education
- Registered
- Jul 21, 1998
- Domain
- isu.net.sa
- Website
- www.isu.net.sa
- Industry
- Software Development
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Dec 2018
- Current origin since
- Dec 2018 · 7.9 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 212.138.76.0/22 | AS202 | /24 | RIPE | Another network |
| 212.138.76.0/22 | AS203 | /24 | RIPE | Another network |
| 212.138.76.0/22 | AS3356 | /24 | RIPE | Another network |
| 212.138.76.0/22 | AS8895 | /24 | RIPE | RPKI valid |
| 212.138.0.0/16 | AS202 | /16 | RIPE | Another network |
| 212.138.0.0/16 | AS203 | /16 | RIPE | Another network |
| 212.138.0.0/16 | AS8895 | /16 | RIPE | Too specific |
Whois
Registration for this announcement
- Range
- 212.
138. 76. 0/ 22 - Netname
- KACST-2
- Registrant
- King Abdulaziz City for Science and Technology
- Registrant country
- SA
- Organization
- King Abdulaziz City for Science and Technology
- Org country
- SA
- Type
- ASSIGNED PA
- Created
- Not stated by the registry
- Updated
- Sep 21, 2001
- Maintainer
- KACST-ISU-MNT
- RIR
- RIPE NCC
- Country
- SA
- Delegated
- Jan 28, 1999
- Status
- assigned
Report abuse
Abuse contact
- abuse@
isu. net. sa - Name
- Abuse-C Role
- Handle
- AR17080-RIPE