asn.dev

Routing security

AS16353 MERULA UK Routing

Hosting RIPE Content

RPKI valid 9% 2 of 22 announcements
RPKI invalid 0 none
No ROA 20 not covered by any ROA
IRR registered 100% 0 missing · 0 other origin
ROAs 4 authorising this AS

Announcements

What this network originates

22 observed

Every prefix observed with AS16353 as its origin, checked against RPKI and the IRR. Problems sort first.

PrefixRPKIIRRVantage points
2a00:1940::/32No ROAIRR32
2a0a:3380::/29No ROAIRR32
2a0c:1480::/29No ROAIRR32
2a03:5420::/32No ROAIRR32
85.158.152.0/21No ROAIRR53
85.236.144.0/21No ROAIRR53
85.236.148.0/22No ROAIRR53
92.62.0.0/20No ROAIRR53
185.25.188.0/22No ROAIRR53
185.25.188.0/24No ROAIRR53
185.43.29.0/24No ROAIRR53
185.45.224.0/23No ROAIRR53
185.45.226.0/24No ROAIRR53
185.78.88.0/22No ROAIRR53
185.176.172.0/22No ROAIRR53
185.237.88.0/22No ROAIRR53
217.146.96.0/20No ROAIRR53
217.146.101.0/24No ROAIRR53
217.146.112.0/20No ROAIRR53
217.146.114.0/24No ROAIRR53
83.167.191.0/24RPKI validIRR53
185.136.72.0/24RPKI validIRR53

RPKI · ROAs

Route origin authorisations

4 ROAs

Signed statements by address holders that AS16353 may originate these prefixes, up to the maximum length shown.

PrefixMax lengthTrust anchor
45.153.228.0/24/24RIPENCC
83.167.191.0/24/24RIPENCC
185.136.72.0/22/22RIPENCC
185.136.72.0/24/24RIPENCC

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

34 objects · 11 not announced

Route objects naming AS16353 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
45.129.168.0/23RIPE—IP-RIPE2020-07-23Not announced
45.148.166.0/24RIPE—IP-RIPE2019-12-10Not announced
45.153.228.0/24RIPE—IP-RIPE2020-04-11Not announced
85.236.144.0/22RIPE—MERULA-MNT2018-01-12Not announced
89.34.3.0/24RIPE—MERULA-MNT2021-02-12Not announced
89.35.233.0/24RIPE—MERULA-MNT2021-02-12Not announced
91.234.23.0/24RIPE—MERULA-MNT2022-01-23Not announced
91.237.185.0/24RIPERouting for Woodleyside IT LimitedMERULA-MNT2012-03-29Not announced
185.45.224.0/22RIPEUK Merula Additional RoutesMERULA-MNT2014-01-25Not announced
185.136.72.0/22RIPE—MNT-BRISKONA2023-11-17Not announced
217.146.98.0/24RIPE—MERULA-MNT2022-03-27Not announced
83.167.191.0/24RIPERydal GroupTS-ROCKETFIBRE-MNT2024-07-04Announced
85.158.152.0/21RIPERouting for the uk.merula Blackbird AllocationMERULA-MNT2009-12-30Announced
85.236.144.0/21RIPE—MERULA-MNT2018-01-12Announced
85.236.148.0/22RIPE—MERULA-MNT2020-06-20Announced
92.62.0.0/20RIPECloudscapeCLOUDSCAPE2020-06-20Announced
185.25.188.0/22RIPE—MERULA-MNT2022-09-06Announced
185.25.188.0/24RIPE—MERULA-MNT2024-03-12Announced
185.43.29.0/24RIPE—LIR-UK-RYDAL-1-MNT2025-01-28Announced
185.45.224.0/23RIPEMERULA BROADBANDMERULA-MNT2026-02-24Announced
185.45.226.0/24RIPEMERULA / RYDAL BroadbandMERULA-MNT2026-02-24Announced
185.78.88.0/22RIPE—MERULA-MNT2018-01-12Announced
185.136.72.0/24RIPE—MNT-BRISKONA2023-11-01Announced
185.176.172.0/22RIPEUBT Routing via MerulaUK-UBTEU-1-MNT2016-11-09Announced
185.237.88.0/22RIPE—UK-2CIRCLES-1-MNT2021-11-25Announced
217.146.96.0/20RIPERouting for the UK.MERULA initial allocationMERULA-MNT2001-09-22Announced
217.146.101.0/24RADBAS16353 proxy-registered route by CogentMAINT-AS1742023-11-13Announced
217.146.101.0/24RIPE—MERULA-MNT2025-09-30Announced
217.146.112.0/20RIPERouting for the UK.MERULA second allocationMERULA-MNT2003-05-12Announced
217.146.114.0/24RIPE—MERULA-MNT2025-06-18Announced
2a00:1940::/32RIPEMerula LimitedMERULA-MNT2011-02-10Announced
2a03:5420::/32RIPE—MERULA-MNT2021-05-14Announced
2a0a:3380::/29RIPE—UK-UBTEU-1-MNT2019-07-23Announced
2a0c:1480::/29RIPE—UK-2CIRCLES-1-MNT2021-11-25Announced

IRR

AS-sets

The as-set is what upstreams expand to build this network's customer filter. Sets that list AS16353 directly show who expects to carry it.

AS-setWhereRelationship
AS-MERULAPeeringDBDeclared by the operator as its own set
AS-4D-DC-LINXRIPELists AS16353 as a direct member
AS-4D-DC-LONAPRIPELists AS16353 as a direct member
AS-ARBINET-LON-BUYERSRIPELists AS16353 as a direct member
AS-ATRATO:AS-PEERSRIPELists AS16353 as a direct member
AS-BANDXUKRIPELists AS16353 as a direct member
AS-BSVE:AS-EXCHANGEPOINT-PEERSRIPELists AS16353 as a direct member
AS-BSVE:AS-LIPEX-PEERS-1RIPELists AS16353 as a direct member
AS-BSVE:AS-LIPEX-PEERS-2RIPELists AS16353 as a direct member
AS-BSVE:AS-LONAP-PEERS-1RIPELists AS16353 as a direct member
AS-BSVE:AS-LONAP-PEERS-2RIPELists AS16353 as a direct member
AS-BSVE:AS-MANAP-PEERS-1RIPELists AS16353 as a direct member
AS-HURRICANEV6RADBLists AS16353 as a direct member
AS-INTENSIVERIPELists AS16353 as a direct member
AS-LIPEX:AS-MLPRIPELists AS16353 as a direct member
AS-LIQUID-LINXPEERSRIPELists AS16353 as a direct member
AS-MERULARIPELists AS16353 as a direct member
AS-NTLIRIPELists AS16353 as a direct member
AS-ONEANETRIPELists AS16353 as a direct member
AS-PEERSRADBLists AS16353 as a direct member
AS-PIPEMEDIA:AS-LIPEX-PEERS-1RIPELists AS16353 as a direct member
AS-PLUSNETUK:AS-LINX-PEERS-SECRIPELists AS16353 as a direct member
AS-PLUSNETUK:AS-LONAP-PEERS-PRIRIPELists AS16353 as a direct member
AS-PLUSNETUK:AS-LONAP-PEERS-SECRIPELists AS16353 as a direct member
AS-RETN-ACTUAL-V4RIPELists AS16353 as a direct member
AS-RETN-ACTUAL-V6RIPELists AS16353 as a direct member
AS-TMNET-PEERSRADBLists AS16353 as a direct member
AS-TRANSROUTE-SPECRIPELists AS16353 as a direct member
AS-XPOINTMLRIPELists AS16353 as a direct member
AS1273:AS-CWWRIPELists AS16353 as a direct member
AS174:AS-COGC-007RADBLists AS16353 as a direct member
AS29075:AS-PEERS:AS-LINXRIPELists AS16353 as a direct member
AS51202:AS-ALLALTDBLists AS16353 as a direct member
AS6894:AS-PEERSRIPELists AS16353 as a direct member
AS8801:AS-CUSTOMERS-UKRIPELists AS16353 as a direct member

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