ResearchRouting table, RPKI, IRR & looking glass

AS25808 Town of Concord MA

AS25808 (CONCORD-MA) is registered to Town of Concord MA in US. It originates 13 prefixes in the global routing table.

13
IPv4 prefixes
0
IPv6 prefixes
3,328
IPv4 addresses
15%
RPKI valid

Who holds AS25808

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

AS number
AS25808
Handle
CONCORD-MA
Organization
Town of Concord MA
Country
US
ASPA
None published

What AS25808 announces

Prefixes originated by AS25808 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
13
IPv6 prefixes
0
IPv4 addresses
3,328 (13 /24s)
RPKI valid
2 15%
RPKI invalid
0
RPKI not found
11
ROAs naming AS25808
2
With an IRR route object
6 46%

Announced prefixes

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

Who AS25808 is reached through

The AS just before AS25808 in the paths our looking glass collectors hold, for 13 of its prefixes. Usually a transit provider, sometimes a peer. The number is how many of those prefixes it was seen on.

Routing registry objects

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