asn.dev

Routing security

AS57752 NORMHOST-ASN

Residential APNIC

RPKI valid 96% 26 of 27 announcements
RPKI invalid 0 none
No ROA 1 not covered by any ROA
IRR registered 100% 0 missing · 0 other origin
ROAs 26 authorising this AS

Announcements

What this network originates

27 observed

Every prefix observed with AS57752 as its origin, checked against RPKI and the IRR. Problems sort first.

PrefixRPKIIRRVantage points
192.70.106.0/24No ROAIRR53
2a03:dc00::/32RPKI validIRR31
45.10.45.0/24RPKI validIRR53
45.10.46.0/23RPKI validIRR53
45.88.68.0/22RPKI validIRR53
45.89.152.0/22RPKI validIRR53
45.91.144.0/22RPKI validIRR53
45.91.146.0/24RPKI validIRR covering53
45.130.236.0/22RPKI validIRR53
45.130.236.0/24RPKI validIRR53
45.130.237.0/24RPKI validIRR53
45.130.238.0/24RPKI validIRR53
45.130.239.0/24RPKI validIRR53
83.136.148.0/23RPKI validIRR53
83.136.150.0/23RPKI validIRR53
91.206.10.0/24RPKI validIRR53
91.236.161.0/24RPKI validIRR53
109.205.64.0/21RPKI validIRR53
176.118.172.0/22RPKI validIRR53
185.17.56.0/22RPKI validIRR53
185.17.56.0/24RPKI validIRR53
185.17.57.0/24RPKI validIRR53
185.54.36.0/22RPKI validIRR53
185.167.220.0/22RPKI validIRR53
185.234.48.0/22RPKI validIRR53
185.234.49.0/24RPKI validIRR covering53
195.12.37.0/24RPKI validIRR53

RPKI · ROAs

Route origin authorisations

26 ROAs

Signed statements by address holders that AS57752 may originate these prefixes, up to the maximum length shown.

PrefixMax lengthTrust anchor
45.10.45.0/24/24RIPENCC
45.10.46.0/23/23RIPENCC
45.88.68.0/22/24RIPENCC
45.89.152.0/22/22RIPENCC
45.91.144.0/22/22RIPENCC
45.91.146.0/24/24RIPENCC
45.130.236.0/22/22RIPENCC
45.130.236.0/24/24RIPENCC
45.130.237.0/24/24RIPENCC
45.130.238.0/24/24RIPENCC
45.130.239.0/24/24RIPENCC
83.136.148.0/23/23RIPENCC
83.136.150.0/23/23RIPENCC
91.206.10.0/24/24RIPENCC
91.236.161.0/24/24RIPENCC
109.205.64.0/21/21RIPENCC
176.118.172.0/22/22RIPENCC
185.17.56.0/22/22RIPENCC
185.17.56.0/24/24RIPENCC
185.17.57.0/24/24RIPENCC
185.54.36.0/22/22RIPENCC
185.167.220.0/22/22RIPENCC
185.234.48.0/22/22RIPENCC
185.234.49.0/24/24RIPENCC
195.12.37.0/24/24RIPENCC
2a03:dc00::/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

26 objects · 1 not announced

Route objects naming AS57752 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
83.136.148.0/22RIPE—MNT-NORMHOST2023-11-10Not announced
45.10.45.0/24RIPE—MNT-NORMHOST2019-05-27Announced
45.10.46.0/23RIPE—MNT-NORMHOST2019-05-27Announced
45.88.68.0/22RIPE—MNT-NORMHOST2024-05-22Announced
45.89.152.0/22RIPE—MNT-NORMHOST2023-11-13Announced
45.91.144.0/22RIPE—MNT-NORMHOST2023-11-13Announced
45.130.236.0/22RIPE—MNT-NORMHOST2023-11-13Announced
45.130.236.0/24RIPE—MNT-NORMHOST2023-11-13Announced
45.130.237.0/24RIPE—MNT-NORMHOST2023-11-13Announced
45.130.238.0/24RIPE—MNT-NORMHOST2023-11-13Announced
45.130.239.0/24RIPE—MNT-NORMHOST2023-11-13Announced
83.136.148.0/23RIPE—MNT-NORMHOST2023-11-10Announced
83.136.150.0/23RIPE—MNT-NORMHOST2023-11-10Announced
91.206.10.0/24RIPE—MNT-NORMHOST2023-11-10Announced
91.236.161.0/24RIPE—MNT-NORMHOST2017-06-10Announced
109.205.64.0/21RIPENormhost Internet RoutingMNT-NORMHOST2014-07-17Announced
176.118.172.0/22RIPE—MNT-NORMHOST2023-11-13Announced
185.17.56.0/22RIPENormhost Internet RoutingMNT-NORMHOST2023-11-13Announced
185.17.56.0/24RIPE—MNT-NORMHOST2023-11-13Announced
185.17.57.0/24RIPE—MNT-NORMHOST2023-11-13Announced
185.54.36.0/22RIPENormhost Internet RoutingMNT-NORMHOST2014-04-16Announced
185.167.220.0/22RIPE—MNT-NORMHOST2016-09-20Announced
185.234.48.0/22RIPE—MNT-NORMHOST2023-10-25Announced
192.70.106.0/24RIPE—MNT-NORMHOST2023-11-10Announced
195.12.37.0/24RIPE—MNT-NORMHOST2024-09-16Announced
2a03:dc00::/32RIPENormhost Internet RoutingMNT-NORMHOST2014-07-17Announced

IRR

AS-sets

The as-set is what upstreams expand to build this network's customer filter. Sets that list AS57752 directly show who expects to carry it.

AS-setWhereRelationship
AS-COVAGERIPELists AS57752 as a direct member
AS-NORMHOSTRIPELists AS57752 as a direct member
AS-SAVEHORIPELists AS57752 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.