ResearchRouting table, RPKI, IRR & looking glass

AS7767 Encyclopaedia Britannica

AS7767 (EB) is registered to Encyclopaedia Britannica in US. It originates 3 prefixes in the global routing table.

2
IPv4 prefixes
1
IPv6 prefixes
512
IPv4 addresses
66%
RPKI valid

Who holds AS7767

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

AS number
AS7767
Handle
EB
Organization
Encyclopaedia Britannica
Country
US
ASPA
None published

What AS7767 announces

Prefixes originated by AS7767 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
2
IPv6 prefixes
1
IPv4 addresses
512 (2 /24s)
RPKI valid
2 66%
RPKI invalid
0
RPKI not found
1
ROAs naming AS7767
2
With an IRR route object
1 33%

Announced prefixes

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

IPv4 (2)
IPv6 (1)

RPKI valid   RPKI invalid   no ROA covers it

Who AS7767 is reached through

The AS just before AS7767 in the paths our looking glass collectors hold, for 3 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
LEVEL3BRITTANICA-ASNGLOBALCOM-MNT

Route objects with origin AS7767: LEVEL3 7 · NTTCOM 1 · RADB 1

as-sets that list AS7767 (5)