ResearchRouting table, RPKI, IRR & looking glass

AS300 United States Department of Defense (DoD)

AS300 (DNIC-AS-00300) is registered to United States Department of Defense (DoD) in US. It originates 36 prefixes in the global routing table.

35
IPv4 prefixes
1
IPv6 prefixes
96,512
IPv4 addresses
0%
RPKI valid
Registration

Who holds AS300

Names from RIPE NCC’s daily list of every allocated AS number. The ASN lookup fetches the full WHOIS record live.

AS number
AS300
Handle
DNIC-AS-00300
Organization
United States Department of Defense (DoD)
Country
US
ASPA
None published
Routing

What AS300 announces

Prefixes originated by AS300 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
35
IPv6 prefixes
1
IPv4 addresses
96,512 (377 /24s)
RPKI valid
0 0%
RPKI invalid
0
RPKI not found
36
ROAs naming AS300
0
With an IRR route object
0 0%
Prefixes

Announced prefixes

Each opens its own page: who announces it, the paths our collectors see, its ROAs and route objects.

IPv4 (35)
156.112.74.0/24156.112.75.0/24156.112.76.0/24156.112.78.0/24156.112.134.0/24156.112.171.0/24158.15.0.0/16158.15.226.0/24160.137.96.0/24160.137.102.0/24160.137.132.0/22160.137.136.0/22164.235.104.0/21199.211.153.0/24199.252.0.0/23204.222.212.0/24209.22.250.0/24214.3.158.0/24214.3.159.0/24214.3.160.0/24214.3.177.0/24214.4.13.0/24214.4.14.0/24214.4.15.0/24214.4.138.0/24214.4.139.0/24214.4.143.0/24214.23.0.0/21214.23.24.0/21214.23.48.0/20214.23.64.0/21214.23.79.0/24214.23.248.0/21214.38.224.0/24214.66.0.0/19
IPv6 (1)
2608:184::/48

RPKI valid   RPKI invalid   no ROA covers it

Upstreams

Who AS300 buys transit from

Inferred from the AS paths in the RouteViews tables, refreshed every 4 hours, most-seen first. 1 upstream.

AS27064 DNIC-ASBLK-27032-27159
Downstreams

Who buys transit from AS300

None seen: AS300 does not appear to provide transit to anyone.

IRR

Routing registry objects

From the mirrored IRR databases (RADB, the five RIRs and more). Look it up live.

as-sets that list AS300 (4)
AS-PACNET-CUSTOMER-PROXY-REGISTERAS199746:AS-BLACKLISTAS204464:AS-BLACKLISTAS2914:AS-US
Tools

Check AS300 live

ASN lookup and WHOISRPKI validatorASPA validatorIRR lookup