ASN Lookup – Networks, Upstreams and Prefixes

AS337

ASN

ARIN

RIR

IPv4 Prefixes

IPv6 Prefixes

AS Information

ASNAS337

NameDNIC-ASBLK-00306-00371

OrganisationUnited States Department of Defense (DoD)

Country –

RIRARIN

Allocated30.06.1989

Network Overview

IPv4 Prefixes63

IPv6 Prefixes0

Upstreams IPv43

BGP Peers IPv40

Upstreams (Transit Providers)

IPv4

AS1540 DNIC-ASBLK-01534-01546

AS27066 DNIC-ASBLK-27032-27159

AS306 DNIC-ASBLK-00306-00371

IPv4 Prefixes (63 total, showing 20)

55.188.198.0/24

55.188.101.0/24

55.188.138.0/24

55.188.187.0/24

55.188.32.0/23

55.188.205.0/24

55.188.188.0/22

55.188.106.0/24

55.188.235.0/24

55.188.202.0/23

55.188.100.0/24

55.188.234.0/24

55.188.206.0/24

55.188.115.0/24

55.188.128.0/23

55.188.139.0/24

55.188.201.0/24

55.188.226.0/23

55.188.98.0/24

55.188.111.0/24

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What is an ASN?

An Autonomous System Number (ASN) is a unique number assigned to a network on the internet. Upstreams are the transit providers through which the AS reaches the internet. Peers are networks with which direct traffic exchange takes place. Prefixes are the IP address ranges that the AS announces to the internet. Data via RIPE NCC RDAP and RIPEstat API.