Routing security
AS393769 LEANDER-ISD-AS1 - Leander Independent School District
Unclassified ARIN
Announcements
What this network originates
Every prefix observed with AS393769 as its origin, checked against RPKI and the IRR. Problems sort first.
| Prefix | RPKI | IRR | Vantage points |
|---|---|---|---|
| 204.57.104.0/22 | No ROA | IRR | 52 |
| 128.254.248.0/23 | RPKI valid | IRR covering | 52 |
| 128.254.250.0/23 | RPKI valid | IRR covering | 53 |
RPKI · ROAs
Route origin authorisations
Signed statements by address holders that AS393769 may originate these prefixes, up to the maximum length shown.
| Prefix | Max length | Trust anchor |
|---|---|---|
| 128.254.248.0/22 | /24 | 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 |
|---|---|---|---|
| AS6461 | Zayo Bandwidth | Declared | Observed |
| AS7459 | Grande Communications Networks, 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 AS393769 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 |
|---|---|---|---|---|---|
| 128.254.248.0/22 | ARIN | P.O.Box 218 | MNT-LISD-1 | 2026-10-01 | Not announced |
| 128.254.248.0/22 | RADB | Route added by Astound on behalf of Leander ISD | MAINT-AS7459 | 2023-11-13 | Not announced |
| 204.57.104.0/22 | RADB | Added on behalf of Leander ISD by Grande Communications | MAINT-AS7459 | 2023-11-13 | Announced |
IRR
AS-sets
The as-set is what upstreams expand to build this network's customer filter. Sets that list AS393769 directly show who expects to carry it.
| AS-set | Where | Relationship |
|---|---|---|
AS-GRANDE | RADB | Lists AS393769 as a direct member |
AS3491:AS-CUSTOMERS-NA | RADB | Lists AS393769 as a direct member |
RPKI from rpki-client, validated 2026-11-02 13:01 UTC. IRR from ARIN, RADB, RIPE, ALTDB, APNIC, LACNIC, NTTCOM, AFRINIC, collected 2026-11-02. Cross-check on bgp.he.net.