212.138.172.0/24 King Abdul Aziz City for Science and Technology
Announced by AS8895 King Abdul Aziz City for Science and Technology. RPKI valid Seen by 0 of our 5 looking glass sessions.
Summary
What the table says about 212.138.172.0/24
Prefix
Origin
AS8895 ISU
RPKI
RPKI valid
Size
256 addresses
Less specific
More specifics
0
IRR route objects
1 exact, 3 covering
In RouteViews
2026-10-16 00:02 UTC
RPKI
Route origin authorizations
Covered by a ROA authorizing AS8895 to originate 212.138.172.0/24 up to /24. Validate another origin.
| ROA prefix | Max length | Authorized origin | Trust anchor |
|---|---|---|---|
| 212.138.172.0/24 | /24 | AS202 CENTURYLINK-LEGACY-LVLT-202 | RIPE |
| 212.138.172.0/24 | /24 | AS203 CENTURYLINK-LEGACY-LVLT-203 | RIPE |
| 212.138.172.0/24 | /24 | AS3356 LEVEL3 | RIPE |
| 212.138.172.0/24 | /24 | AS8895 ISU | RIPE |
| 212.138.0.0/16 | /16 | AS202 CENTURYLINK-LEGACY-LVLT-202 | RIPE |
| 212.138.0.0/16 | /16 | AS203 CENTURYLINK-LEGACY-LVLT-203 | RIPE |
| 212.138.0.0/16 | /16 | AS8895 ISU | RIPE |
IRR
Route objects
Registered in the IRR for this prefix and the ones covering it. Look it up live.
| Route | Origin | Source | Description | Maintained by |
|---|---|---|---|---|
| 212.138.172.0/24 | AS8895 ISU | RIPE | TQ | KACST-ISU-MNT, ISU-NOC |
| 212.138.128.0/18 covering | AS8895 ISU | RIPE | ISU SUMMERIZATIONS | ISU-NOC |
| 212.138.128.0/17 covering | AS8895 ISU | LEVEL3 | Proxy-registered route object | LEVEL3-MNT |
| 212.138.0.0/16 covering | AS8895 ISU | RADB | ITC via EMIX | MAINT-AS8966 |
Less specific
Covering prefixes
Announced prefixes that contain this one, most specific first.