asn.dev

Routing security

AS205718 ALCORT

Residential RIPE

RPKI valid 100% 18 of 18 announcements
RPKI invalid 0 none
No ROA 0 not covered by any ROA
IRR registered 100% 0 missing · 0 other origin
ROAs 18 authorising this AS

Announcements

What this network originates

18 observed

Every prefix observed with AS205718 as its origin, checked against RPKI and the IRR. Problems sort first.

PrefixRPKIIRRVantage points
2a09:8ac0::/32RPKI validIRR34
2a09:1780::/34RPKI validIRR34
2a09:c5c0::/32RPKI validIRR30
2a09:c740::/32RPKI validIRR34
2a09:dd40::/32RPKI validIRR34
2a09:eb40::/32RPKI validIRR34
2a09:f4c0::/32RPKI validIRR34
2a09:fbc0::/32RPKI validIRR34
2a09:fcc0::/32RPKI validIRR34
77.83.144.0/22RPKI validIRR57
185.205.112.0/22RPKI validIRR57
185.208.220.0/22RPKI validIRR57
185.210.20.0/22RPKI validIRR57
185.226.168.0/22RPKI validIRR57
185.229.156.0/22RPKI validIRR57
185.229.196.0/22RPKI validIRR57
185.231.116.0/22RPKI validIRR57
185.248.20.0/22RPKI validIRR57

RPKI · ROAs

Route origin authorisations

18 ROAs

Signed statements by address holders that AS205718 may originate these prefixes, up to the maximum length shown.

PrefixMax lengthTrust anchor
77.83.144.0/22/22RIPENCC
185.205.112.0/22/22RIPENCC
185.208.220.0/22/22RIPENCC
185.210.20.0/22/22RIPENCC
185.226.168.0/22/22RIPENCC
185.229.156.0/22/22RIPENCC
185.229.196.0/22/22RIPENCC
185.231.116.0/22/22RIPENCC
185.248.20.0/22/22RIPENCC
2a09:1780::/34/34RIPENCC
2a09:8ac0::/32/32RIPENCC
2a09:c5c0::/32/32RIPENCC
2a09:c740::/32/32RIPENCC
2a09:dd40::/32/32RIPENCC
2a09:eb40::/32/32RIPENCC
2a09:f4c0::/32/32RIPENCC
2a09:fbc0::/32/32RIPENCC
2a09:fcc0::/32/32RIPENCC

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

19 objects · 1 not announced

Route objects naming AS205718 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
2a09:1780::/46RIPE—ES-ALCORT-ING-1-MNT2023-07-04Not announced
77.83.144.0/22RIPE—MNT-ES-ALSET1-12019-05-23Announced
185.205.112.0/22RIPEIPV4 ALCORTES-ALCORT-ING-1-MNT2019-02-08Announced
185.208.220.0/22RIPE—ES-SEROSENSE-1-MNT2019-05-23Announced
185.210.20.0/22RIPE—ES-ELECTRA-1-MNT2019-05-23Announced
185.226.168.0/22RIPE—ES-ADURIZ-1-MNT2019-06-03Announced
185.229.156.0/22RIPE—ES-ELECTRALTO-1-MNT2019-05-23Announced
185.229.196.0/22RIPE—ES-MEDINGARVEYSI-1-MNT2019-02-08Announced
185.231.116.0/22RIPE—ES-CECSA-1-MNT2019-05-23Announced
185.248.20.0/22RIPE—ES-INFIBRA-1-MNT2019-05-23Announced
2a09:1780::/34RIPE—ES-ALCORT-ING-1-MNT2023-07-04Announced
2a09:8ac0::/32RIPE—ES-SEROSENSE-1-MNT2019-12-05Announced
2a09:c5c0::/32RIPE—ES-MEDINGARVEYSI-1-MNT2023-07-07Announced
2a09:c740::/32RIPE—ES-CECSA-1-MNT2019-03-22Announced
2a09:dd40::/32RIPE—ES-ELECTRA-1-MNT2019-03-22Announced
2a09:eb40::/32RIPE—ES-ELECTRALTO-1-MNT2019-03-27Announced
2a09:f4c0::/32RIPE—ES-INFIBRA-1-MNT2019-03-26Announced
2a09:fbc0::/32RIPE—ES-ADURIZ-1-MNT2023-07-05Announced
2a09:fcc0::/32RIPE—MNT-ES-ALSET1-12019-03-28Announced

IRR

AS-sets

The as-set is what upstreams expand to build this network's customer filter. Sets that list AS205718 directly show who expects to carry it.

AS-setWhereRelationship
AS-12715-CUSTOMERSRIPELists AS205718 as a direct member
AS-ALCORT205718-TRANSITORIPELists AS205718 as a direct member
AS-HURRICANERADBLists AS205718 as a direct member
AS-HURRICANEV6RADBLists AS205718 as a direct member
AS-TRANSROUTE-SPECRIPELists AS205718 as a direct member
AS48793:AS-DECIX-MAD-CONNECTEDRIPELists AS205718 as a direct member
AS48793:AS-DECIX-MAD-RSRIPELists AS205718 as a direct member
AS48793:AS-DECIX-MAD-RS-V6RIPELists AS205718 as a direct member

RPKI from rpki-client, validated 2026-10-20 11:55 UTC. IRR from ARIN, RADB, RIPE, ALTDB, APNIC, LACNIC, NTTCOM, AFRINIC, collected 2026-10-20. Cross-check on bgp.he.net.