Data as of Nov 6, 2026
212.138.64.0/22
No anonymizer space · no proxy exits in 30 daysKing Abdul Aziz City for Science and Technology
Announcement
this exact prefix
RPKI valid
Announced by
Type
Business
Recent change
New origin Sep 18, 2026
from AS203 Level 3 Parent, LLC, after 3 years unannounced
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 212.138.0.0/16 since May 2005 | AS8895 | Business | 31 1 always on | King Abdul Aziz City for Science and Technology |
More specific
Announcements inside
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 212.138.64.0/24 since May 2023 | AS8895 | Business | King Abdul Aziz City for Science and Technology | |
| 212.138.65.0/24 since Dec 2024 | AS8895 | Business | 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. | 1,792 | ISU-6 | Internet Service Unit ISU | 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
- Reactivated
- First seen
- May 2005
- Current origin since
- Sep 18, 2026 · 2 mo
- Origin networks
- 3
- Last change of origin
- Sep 18, 2026
Recorded history
History
- Handoffs
- 3
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 212.138.64.0/22 | AS202 | /24 | RIPE | Another network |
| 212.138.64.0/22 | AS203 | /24 | RIPE | Another network |
| 212.138.64.0/22 | AS3356 | /24 | RIPE | Another network |
| 212.138.64.0/22 | 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 |
IRR
Route objects on the exact prefix
IRR inside
Route objects inside
| Prefix | Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|---|
| 212.138.64.0/23 | AS8895 | RADB | ITC via EMIX | MAINT-AS8966 | Nov 13, 2023 |
| 212.138.66.0/24 | AS8895 | RADB | ITC via EMIX | MAINT-AS8966 | Nov 13, 2023 |
| 212.138.66.0/24 | AS8895 | RIPE | Saudi Arabia backbone and local registry address space | ISU-NOC | Feb 8, 2011 |
| 212.138.67.0/24 | AS8895 | RADB | ATT2686-Customer | MAINT-AS7132 | Nov 13, 2023 |
Whois
Registration for this announcement
- Range
- 212.
138. 64. 0 - 212. 138. 70. 255 - Netname
- ISU-6
- Registrant
- Internet Service Unit ISU
- Registrant country
- SA
- Organization
- Internet Service Unit ISU
- Org country
- SA
- Type
- ASSIGNED PA
- Created
- Not stated by the registry
- Updated
- Aug 3, 2017
- 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