ResearchRouting table, RPKI, IRR & looking glass

AS26297 Howard County, Maryland

AS26297 (HCGOV) is registered to Howard County, Maryland in US. It originates 5 prefixes in the global routing table.

5
IPv4 prefixes
0
IPv6 prefixes
4,352
IPv4 addresses
0%
RPKI valid

Who holds AS26297

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

AS number
AS26297
Handle
HCGOV
Organization
Howard County, Maryland
Country
US
ASPA
None published

What AS26297 announces

Prefixes originated by AS26297 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
5
IPv6 prefixes
0
IPv4 addresses
4,352 (17 /24s)
RPKI valid
0 0%
RPKI invalid
0
RPKI not found
5
ROAs naming AS26297
0
With an IRR route object
4 80%

Announced prefixes

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

IPv4 (5)

RPKI valid   RPKI invalid   no ROA covers it

Who AS26297 is reached through

The AS just before AS26297 in the paths our looking glass collectors hold, for 5 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.

Sourceas-nameMaintained by
ARINAS-HOCO-MAINMNT-HCM-55
RADBAS26297MAINT-AS26297-1

Route objects with origin AS26297: RADB 18 · ARIN 8

as-sets that list AS26297 (5)