Check-Host.cc

Autonomous System

AS63997

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

Announced IPs
13,568
IPv4
IPv4 Prefixes
8
IPv6 Prefixes
1
Hosted Domains
3,157
resolve into this AS
Peers
11
Customers
1

AS Profile

AS Name
AS Type
RIR
APNIC
Country
JP
Allocated
2015-06-22

RPKI Validity

Total ROAs
Valid Prefixes
NotFound
Announced (BGP)
9
RPKI Coverage

Geographic Footprint

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

JP
849

Top Open Ports

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

Port Open IPs
443 79
80 78
110 48
22 47
143 43
25 41
53 40
995 39
8443 37
587 37
465 35
21 32
8880 31
993 30
3389 18

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.