Check-Host.cc

Autonomous System

AS1897

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

Announced IPs
205k
IPv4
IPv4 Prefixes
8
IPv6 Prefixes
Hosted Domains
2,460
resolve into this AS
Peers
Customers

AS Profile

AS Name
AS Type
RIR
RIPE NCC
Country
PT
Allocated
1992-09-22

RPKI Validity

Total ROAs
40
Valid Prefixes
7
NotFound
1
Announced (BGP)
8
RPKI Coverage
87.5%

Geographic Footprint

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

PT
4,239

Top Open Ports

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

Port Open IPs
443 438
80 248
179 245
22 135
2000 125
23 108
8443 54
5060 43
25 40
1723 36
8080 35
4567 34
8088 31
554 30
37777 25

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.