asn.dev

Routing security

AS16922 OUHSC-EDU

Unclassified ARIN

RPKI valid 80% 4 of 5 announcements
RPKI invalid 0 none
No ROA 1 not covered by any ROA
IRR registered 100% 0 missing · 0 other origin
ROAs 68 authorising this AS

Announcements

What this network originates

5 observed

Every prefix observed with AS16922 as its origin, checked against RPKI and the IRR. Problems sort first.

PrefixRPKIIRRVantage points
157.142.0.0/16No ROAIRR60
156.110.144.0/20RPKI validIRR60
156.110.160.0/19RPKI validIRR60
156.110.240.0/20RPKI validIRR60
192.35.98.0/24RPKI validIRR60

RPKI · ROAs

Route origin authorisations

68 ROAs

Signed statements by address holders that AS16922 may originate these prefixes, up to the maximum length shown.

PrefixMax lengthTrust anchor
156.110.144.0/20/20ARIN
156.110.144.0/24/24ARIN
156.110.145.0/24/24ARIN
156.110.146.0/24/24ARIN
156.110.147.0/24/24ARIN
156.110.148.0/24/24ARIN
156.110.149.0/24/24ARIN
156.110.150.0/24/24ARIN
156.110.151.0/24/24ARIN
156.110.152.0/24/24ARIN
156.110.153.0/24/24ARIN
156.110.154.0/24/24ARIN
156.110.155.0/24/24ARIN
156.110.156.0/24/24ARIN
156.110.157.0/24/24ARIN
156.110.158.0/24/24ARIN
156.110.159.0/24/24ARIN
156.110.160.0/19/19ARIN
156.110.160.0/24/24ARIN
156.110.161.0/24/24ARIN
156.110.162.0/24/24ARIN
156.110.163.0/24/24ARIN
156.110.164.0/24/24ARIN
156.110.165.0/24/24ARIN
156.110.166.0/24/24ARIN
156.110.167.0/24/24ARIN
156.110.168.0/24/24ARIN
156.110.169.0/24/24ARIN
156.110.170.0/24/24ARIN
156.110.171.0/24/24ARIN
156.110.172.0/24/24ARIN
156.110.173.0/24/24ARIN
156.110.174.0/24/24ARIN
156.110.175.0/24/24ARIN
156.110.176.0/24/24ARIN
156.110.177.0/24/24ARIN
156.110.178.0/24/24ARIN
156.110.179.0/24/24ARIN
156.110.180.0/24/24ARIN
156.110.181.0/24/24ARIN
156.110.182.0/24/24ARIN
156.110.183.0/24/24ARIN
156.110.184.0/24/24ARIN
156.110.185.0/24/24ARIN
156.110.186.0/24/24ARIN
156.110.187.0/24/24ARIN
156.110.188.0/24/24ARIN
156.110.189.0/24/24ARIN
156.110.190.0/24/24ARIN
156.110.191.0/24/24ARIN
156.110.240.0/20/20ARIN
156.110.240.0/24/24ARIN
156.110.241.0/24/24ARIN
156.110.242.0/24/24ARIN
156.110.243.0/24/24ARIN
156.110.244.0/24/24ARIN
156.110.245.0/24/24ARIN
156.110.246.0/24/24ARIN
156.110.247.0/24/24ARIN
156.110.248.0/24/24ARIN
156.110.249.0/24/24ARIN
156.110.250.0/24/24ARIN
156.110.251.0/24/24ARIN
156.110.252.0/24/24ARIN
156.110.253.0/24/24ARIN
156.110.254.0/24/24ARIN
156.110.255.0/24/24ARIN
192.35.98.0/24/24ARIN

ROA-based and RPKI-valid-only prefix lists for routers are on asn.ipinfo.app.

RPKI · ASPA

Declared transit providers

No ASPA record This network has not published an ASPA object. ASPA lets a network sign the list of its transit providers, so routers can reject paths that route through anyone else (route leaks). Only a few thousand networks publish one so far, so its absence is normal.

IRR

Registered route objects

8 objects · 2 not announced

Route objects naming AS16922 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.

PrefixSourceDescriptionMaintainerChangedRouting
199.120.0.0/21RADBThe University Hospitals (THEUNI-15)MAINT-AS50782023-11-13Not announced
199.120.8.0/22RADBThe University Hospitals (THEUNI-15)MAINT-AS50782023-11-13Not announced
156.110.144.0/20RADBUniversity of Oklahoma HSC (UNIVER-196)MAINT-AS50782023-11-13Announced
156.110.160.0/19RADBUniversity of Oklahoma HSC (UNIVER-196)MAINT-AS50782023-11-13Announced
156.110.240.0/20RADBUniversity of Oklahoma HSC (UNIVER-196)MAINT-AS50782023-11-13Announced
157.142.0.0/16RADBUniversity of Oklahoma HSC (UNIVER-196)MAINT-AS50782023-11-13Announced
192.35.98.0/24ARINUniversity of OklahomaMNT-UNIVER-236-Z2022-04-15Announced
192.35.98.0/24RADBUniversity of Oklahoma (UNIVER-236-Z)MAINT-AS50782023-11-13Announced

IRR

AS-sets

The as-set is what upstreams expand to build this network's customer filter. Sets that list AS16922 directly show who expects to carry it.

AS-setWhereRelationship
AS-COX-CENTRALRADBLists AS16922 as a direct member
AS-HURRICANERADBLists AS16922 as a direct member
AS-ONENET-MEMBERSRADBLists AS16922 as a direct member
AS-TRANSROUTE-SPECRIPELists AS16922 as a direct member
AS-WISCNET-WRIPSRADBLists AS16922 as a direct member
AS198949:AS-SDRADBLists AS16922 as a direct member
AS20248:AS-TRANSITRADBLists AS16922 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.