Check-Host.cc

Try 1.1.1.1 AS13335 check-host.cc /country/de /tld/cc
Autonomous System

AS1224 · National Center for Supercomputing Applications

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

bgp.tools RIPEstat
Announced IPs
65,792
IPv4
IPv4 Prefixes
2
IPv6 Prefixes
1
Hosted Domains
182
resolve into this AS
Peers
1
Customers
—

AS Profile

AS Name
National Center for Supercomputing Applications
AS Type
—
Scope
Not Disclosed
RIR
ARIN
Country
US
Allocated
1991-02-25

RPKI Validity

Total ROAs
—
Valid Prefixes
—
NotFound
—
Announced (BGP)
3
RPKI Coverage
—

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.