AS391 Air Force Systems Networking
AS391 (AFCONC-BLOCK1-AS) is registered to Air Force Systems Networking in US. It originates 40 prefixes in the global routing table.
40
IPv4 prefixes
0
IPv6 prefixes
285,184
IPv4 addresses
0%
RPKI valid
Registration
Who holds AS391
Names from RIPE NCC’s daily list of every allocated AS number. The ASN lookup fetches the full WHOIS record live.
AS number
AS391
Handle
AFCONC-BLOCK1-AS
Organization
Air Force Systems Networking
Country
US
ASPA
None published
Routing
What AS391 announces
Prefixes originated by AS391 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).
IPv4 prefixes
40
IPv6 prefixes
0
IPv4 addresses
285,184 (1,114 /24s)
RPKI valid
0 0%
RPKI invalid
0
RPKI not found
40
ROAs naming AS391
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 (40)
128.202.0.0/16128.236.0.0/16131.15.38.0/23131.15.40.0/21131.15.44.0/24131.15.48.0/20131.15.60.0/24131.15.64.0/20131.15.65.0/24131.15.80.0/24131.15.88.0/24131.15.90.0/23131.15.92.0/24131.15.98.0/23131.15.120.0/24131.15.136.0/24131.15.144.0/21131.15.160.0/21131.15.208.0/24131.15.233.0/24131.15.234.0/24131.15.235.0/24131.15.236.0/24131.15.237.0/24131.15.238.0/24131.15.239.0/24131.15.252.0/24131.15.253.0/24137.0.0.0/16137.11.0.0/16143.141.96.0/22199.31.2.0/24199.31.3.0/24199.251.155.0/24199.251.156.0/24204.34.211.0/24206.39.56.0/24206.39.58.0/24207.133.179.0/24207.133.189.0/24
RPKI valid RPKI invalid no ROA covers it
Neighbors
Who AS391 is reached through
The AS just before AS391 in the paths our looking glass collectors hold, for 40 of its prefixes. Usually a transit provider, sometimes a peer. The number is how many of those prefixes it was seen on.