asn.dev

Routing security

AS51409 SIPSYNERGY

Unclassified RIPE NSP

RPKI valid 100% 12 of 12 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

12 observed

Every prefix observed with AS51409 as its origin, checked against RPKI and the IRR. Problems sort first.

PrefixRPKIIRRVantage points
178.255.56.0/24RPKI validIRR53
178.255.57.0/24RPKI validIRR53
178.255.58.0/24RPKI validIRR57
178.255.59.0/24RPKI validIRR53
178.255.60.0/24RPKI validIRR53
178.255.61.0/24RPKI validIRR53
178.255.62.0/24RPKI validIRR57
178.255.63.0/24RPKI validIRR57
185.41.224.0/24RPKI validIRR53
185.41.225.0/24RPKI validIRR57
185.41.226.0/24RPKI validIRR53
185.41.227.0/24RPKI validIRR53

RPKI · ROAs

Route origin authorisations

18 ROAs

Signed statements by address holders that AS51409 may originate these prefixes, up to the maximum length shown.

PrefixMax lengthTrust anchor
45.146.156.0/24/24RIPENCC
45.146.157.0/24/24RIPENCC
45.146.158.0/24/24RIPENCC
45.146.159.0/24/24RIPENCC
178.255.56.0/21/21RIPENCC
178.255.56.0/24/24RIPENCC
178.255.57.0/24/24RIPENCC
178.255.58.0/24/24RIPENCC
178.255.59.0/24/24RIPENCC
178.255.60.0/24/24RIPENCC
178.255.61.0/24/24RIPENCC
178.255.62.0/24/24RIPENCC
178.255.63.0/24/24RIPENCC
185.41.224.0/22/22RIPENCC
185.41.224.0/24/24RIPENCC
185.41.225.0/24/24RIPENCC
185.41.226.0/24/24RIPENCC
185.41.227.0/24/24RIPENCC

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

18 objects · 6 not announced

Route objects naming AS51409 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
45.146.156.0/24RIPESipSynergyMNT-UK-SIPSYNERGY-12020-02-27Not announced
45.146.157.0/24RIPESipSynergyMNT-UK-SIPSYNERGY-12020-02-27Not announced
45.146.158.0/24RIPESipSynergyMNT-UK-SIPSYNERGY-12020-02-27Not announced
45.146.159.0/24RIPESipSynergyMNT-UK-SIPSYNERGY-12020-02-27Not announced
178.255.56.0/21RIPESipsynergyMNT-UK-SIPSYNERGY-12020-02-25Not announced
185.41.224.0/22RIPESipSynergyMNT-UK-SIPSYNERGY-12020-02-25Not announced
178.255.56.0/24RIPESipsynergyMNT-UK-SIPSYNERGY-12020-02-25Announced
178.255.57.0/24RIPESipsynergyMNT-UK-SIPSYNERGY-12020-02-25Announced
178.255.58.0/24RIPESipsynergyMNT-UK-SIPSYNERGY-12020-02-25Announced
178.255.59.0/24RIPESipsynergyMNT-UK-SIPSYNERGY-12020-02-25Announced
178.255.60.0/24RIPESipsynergyMNT-UK-SIPSYNERGY-12020-02-25Announced
178.255.61.0/24RIPESipsynergyMNT-UK-SIPSYNERGY-12020-02-25Announced
178.255.62.0/24RIPESipsynergyMNT-UK-SIPSYNERGY-12020-02-25Announced
178.255.63.0/24RIPESipsynergyMNT-UK-SIPSYNERGY-12020-02-25Announced
185.41.224.0/24RIPESipSynergyMNT-UK-SIPSYNERGY-12020-02-25Announced
185.41.225.0/24RIPESipSynergyMNT-UK-SIPSYNERGY-12020-02-25Announced
185.41.226.0/24RIPESipSynergyMNT-UK-SIPSYNERGY-12020-02-25Announced
185.41.227.0/24RIPESipSynergyMNT-UK-SIPSYNERGY-12020-02-25Announced

IRR

AS-sets

The as-set is what upstreams expand to build this network's customer filter. Sets that list AS51409 directly show who expects to carry it.

AS-setWhereRelationship
AS-SIPSYNERGYPeeringDBDeclared by the operator as its own set
AS-KDDCUSTOMER2RADBLists AS51409 as a direct member
AS-LONAP-CONNECTEDRIPELists AS51409 as a direct member
AS-LONAP-MLPRIPELists AS51409 as a direct member
AS-MANDA-LINX-PEERS-V4RIPELists AS51409 as a direct member
AS-SECTORSIXRIPELists AS51409 as a direct member
AS-SIPSYNERGYRIPELists AS51409 as a direct member
AS-TELSTRA-INTL-CUSTOMERSRADBLists AS51409 as a direct member
AS13335:AS-CUSTOMERSARINLists AS51409 as a direct member
AS2914:AS-EUROPENTTCOMLists AS51409 as a direct member

RPKI from rpki-client, validated 2026-10-31 20:05 UTC. IRR from ARIN, RADB, RIPE, ALTDB, APNIC, LACNIC, NTTCOM, AFRINIC, collected 2026-10-31. Cross-check on bgp.he.net.