Check-Host.cc

Autonomous System

AS1851

Aggregated from public BGP, CT logs, our scan layer, honeypots and global probes.

Announced IPs
135k
IPv4
IPv4 Prefixes
IPv6 Prefixes
Hosted Domains
186
resolve into this AS
Peers
Customers

AS Profile

AS Name
AS Type
RIR
APNIC
Country
AU
Allocated
2002-08-01

RPKI Validity

Total ROAs
100
Valid Prefixes
NotFound
Announced (BGP)
RPKI Coverage

Geographic Footprint

Countries where this AS's scanned IPs are geolocated, by open-IP count.

AU
4,169

Top Open Ports

Most common open ports across IPs in this AS (last 30 days).

Port Open IPs
80 34
443 28
22 17
25 2
783 2
2121 1
2404 1
2967 1
27019 1
3724 1
6661 1
6667 1
32764 1
14443 1
8080 1

Upstreams

Tier-1 / transit-free network

CAIDA AS-Relationships sees no upstream transit provider for this ASN — either a tier-1 carrier, a settlement-free routing arrangement, or an ASN that peers privately. Tier-1s like AS174, AS3356, AS6939 also show empty here.