ResearchRouting table, RPKI, IRR & looking glass

AS16871 McDonagh Bros. Inc.

AS16871 (MCDONAGHBROTHERS) is registered to McDonagh Bros. Inc. in US. It originates 7 prefixes in the global routing table.

6
IPv4 prefixes
1
IPv6 prefixes
1,792
IPv4 addresses
28%
RPKI valid

Who holds AS16871

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

AS number
AS16871
Handle
MCDONAGHBROTHERS
Organization
McDonagh Bros. Inc.
Country
US
ASPA
None published

What AS16871 announces

Prefixes originated by AS16871 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
6
IPv6 prefixes
1
IPv4 addresses
1,792 (7 /24s)
RPKI valid
2 28%
RPKI invalid
0
RPKI not found
5
ROAs naming AS16871
3
With an IRR route object
2 28%

Announced prefixes

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

Who AS16871 is reached through

The AS just before AS16871 in the paths our looking glass collectors hold, for 7 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.

Route objects with origin AS16871: ARIN 3

as-sets that list AS16871 (6)