AS401851 County of San Diego
AS401851 (COSD) is registered to County of San Diego in US. It originates 12 prefixes in the global routing table.
12
IPv4 prefixes
0
IPv6 prefixes
3,584
IPv4 addresses
0%
RPKI valid
Registration
Who holds AS401851
Names from RIPE NCC’s daily list of every allocated AS number. The ASN lookup fetches the full WHOIS record live.
AS number
AS401851
Handle
COSD
Organization
County of San Diego
Country
US
ASPA
None published
Routing
What AS401851 announces
Prefixes originated by AS401851 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).
IPv4 prefixes
12
IPv6 prefixes
0
IPv4 addresses
3,584 (14 /24s)
RPKI valid
0 0%
RPKI invalid
0
RPKI not found
12
ROAs naming AS401851
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 (12)
170.213.2.0/24170.213.3.0/24170.213.4.0/24170.213.5.0/24170.213.6.0/24170.213.7.0/24170.213.18.0/23170.213.22.0/23170.213.131.0/24170.213.132.0/24170.213.133.0/24209.77.1.0/24
RPKI valid RPKI invalid no ROA covers it
Neighbors
Who AS401851 is reached through
The AS just before AS401851 in the paths our looking glass collectors hold, for 12 of its prefixes. Usually a transit provider, sometimes a peer. The number is how many of those prefixes it was seen on.