ResearchRouting table, RPKI, IRR & looking glass

AS11287 Mitchell Seaforth Cable T. V. Ltd.

AS11287 (AS-MSEA) is registered to Mitchell Seaforth Cable T. V. Ltd. in CA. It originates 21 prefixes in the global routing table.

20
IPv4 prefixes
1
IPv6 prefixes
13,824
IPv4 addresses
42%
RPKI valid

Who holds AS11287

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

AS number
AS11287
Handle
AS-MSEA
Organization
Mitchell Seaforth Cable T. V. Ltd.
Country
CA
ASPA
None published

What AS11287 announces

Prefixes originated by AS11287 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
20
IPv6 prefixes
1
IPv4 addresses
13,824 (54 /24s)
RPKI valid
9 42%
RPKI invalid
0
RPKI not found
12
ROAs naming AS11287
9
With an IRR route object
21 100%

Who AS11287 is reached through

The AS just before AS11287 in the paths our looking glass collectors hold, for 21 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
ARINMSEA-11287MNT-MSEA

Route objects with origin AS11287: ARIN 25 · ALTDB 5

as-sets that list AS11287 (8)