asn.dev

Routing security

AS209366 SEMRUSH-AS

Unclassified RIPE

RPKI valid 60% 3 of 5 announcements
RPKI invalid 0 none
No ROA 2 not covered by any ROA
IRR registered 100% 0 missing · 0 other origin
ROAs 5 authorising this AS

Announcements

What this network originates

5 observed

Every prefix observed with AS209366 as its origin, checked against RPKI and the IRR. Problems sort first.

PrefixRPKIIRRVantage points
185.170.167.0/24No ROAIRR50
185.191.171.0/24No ROAIRR52
85.208.96.0/24RPKI validIRR50
85.208.97.0/24RPKI validIRR50
85.208.99.0/24RPKI validIRR50

RPKI · ROAs

Route origin authorisations

5 ROAs

Signed statements by address holders that AS209366 may originate these prefixes, up to the maximum length shown.

PrefixMax lengthTrust anchor
85.208.96.0/22/22RIPENCC
85.208.96.0/24/24RIPENCC
85.208.97.0/24/24RIPENCC
85.208.98.0/24/24RIPENCC
85.208.99.0/24/24RIPENCC

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 · 3 not announced

Route objects naming AS209366 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
85.208.96.0/22RIPE—SEMRUSH_NET2019-06-03Not announced
85.208.98.0/24RIPE—SEMRUSH_NET2020-06-08Not announced
185.207.237.0/24RIPE—ADVANCEDHOSTERS-MNT2021-06-22Not announced
85.208.96.0/24RIPE—SEMRUSH_NET2021-05-26Announced
85.208.97.0/24RIPE—SEMRUSH_NET2021-05-26Announced
85.208.99.0/24RIPE—SEMRUSH_NET2021-05-25Announced
185.170.167.0/24RIPE—MNT-DATAWEBGLOBAL2021-06-07Announced
185.191.171.0/24RIPE—MNT-DGGB2021-06-24Announced

IRR

AS-sets

The as-set is what upstreams expand to build this network's customer filter. Sets that list AS209366 directly show who expects to carry it.

AS-setWhereRelationship
AS-ADVANCEDHOSTERSRIPELists AS209366 as a direct member
AS1299:AS-TWELVE99-NA-V4RIPELists AS209366 as a direct member
AS1299:AS-TWELVE99-NA-V6RIPELists AS209366 as a direct member

RPKI from rpki-client, validated 2026-10-15 12:09 UTC. IRR from ARIN, RADB, RIPE, ALTDB, APNIC, LACNIC, NTTCOM, AFRINIC, collected 2026-10-15. Cross-check on bgp.he.net.