Routing security
AS15118 SIUMED
Unclassified ARIN
Announcements
What this network originates
Every prefix observed with AS15118 as its origin, checked against RPKI and the IRR. Problems sort first.
| Prefix | RPKI | IRR | Vantage points |
|---|---|---|---|
| 131.230.224.0/20 | RPKI valid | IRR | 54 |
| 131.230.228.0/22 | RPKI valid | IRR | 57 |
| 131.230.236.0/22 | RPKI valid | IRR | 57 |
RPKI · ROAs
Route origin authorisations
Signed statements by address holders that AS15118 may originate these prefixes, up to the maximum length shown.
| Prefix | Max length | Trust anchor |
|---|---|---|
| 131.230.224.0/20 | /20 | ARIN |
| 131.230.228.0/22 | /22 | ARIN |
| 131.230.236.0/22 | /22 | ARIN |
| 2604:360::/32 | /48 | ARIN |
ROA-based and RPKI-valid-only prefix lists for routers are on asn.ipinfo.app.
RPKI · ASPA
Declared transit providers
This network has signed an ASPA record naming its transit providers. Each is compared against the upstreams observed in routing paths.
| AS | Network | ASPA | Routing paths |
|---|---|---|---|
| AS6325 | Illinois Century Network | Declared | Observed |
| AS15119 | Southern Illinois University Carbondale | Declared | not observed |
| AS62943 | Missouri Network Alliance, LLC | Declared | Observed |
An observed upstream that is not declared is not necessarily a leak: our upstream inference cannot tell a transit provider from a peer seen in the same position. A declared provider that is never observed is usually a backup path.
IRR
Registered route objects
Route objects naming AS15118 as origin, across RADb, the RIR registries, ALTDB and NTTCOM. Objects that are registered but not announced come first: a stale object lets anyone who can spoof this origin through an IRR-built filter.
| Prefix | Source | Description | Maintainer | Changed | Routing |
|---|---|---|---|---|---|
| 2604:360::/32 | ARIN | Southern Illinois University - School of Medicine | MNT-SIUT | 2026-09-28 | Not announced |
| 131.230.224.0/20 | ARIN | Southern Illinois University Carbondale | MNT-SIU | 2026-09-27 | Announced |
| 131.230.224.0/20 | RADB | ICN Customer - SIU School of MED | MAINT-AS6325 | 2023-11-13 | Announced |
| 131.230.228.0/22 | ARIN | Southern Illinois University Carbondale | MNT-SIU | 2026-09-27 | Announced |
| 131.230.228.0/22 | RADB | Southern Illinois University | MAINT-BLUEBIRD | 2023-11-13 | Announced |
| 131.230.236.0/22 | ARIN | Southern Illinois University Carbondale | MNT-SIU | 2026-09-27 | Announced |
| 131.230.236.0/22 | RADB | Southern Illinois University | MAINT-BLUEBIRD | 2023-11-13 | Announced |
IRR
AS-sets
The as-set is what upstreams expand to build this network's customer filter. Sets that list AS15118 directly show who expects to carry it.
| AS-set | Where | Relationship |
|---|---|---|
AS-BLUEBIRD | RADB | Lists AS15118 as a direct member |
AS-HURRICANE | RADB | Lists AS15118 as a direct member |
AS-ICN-CUSTOMERS | RADB | Lists AS15118 as a direct member |
AS-TRANSROUTE-SPEC | RIPE | Lists AS15118 as a direct member |
AS62973:AS-CUSTOMERS | RADB | Lists AS15118 as a direct member |
AS6325:AS-ICN-HIGHERED | RADB | Lists AS15118 as a direct member |
RPKI from rpki-client, validated 2026-10-18 12:08 UTC. IRR from ARIN, RADB, RIPE, ALTDB, APNIC, LACNIC, NTTCOM, AFRINIC, collected 2026-10-18. Cross-check on bgp.he.net.