ResearchRouting table, RPKI, IRR & looking glass

AS22012 NRT Inc.

AS22012 (REALOGY-MADISON) is registered to NRT Inc. in US. It originates 5 prefixes in the global routing table.

5
IPv4 prefixes
0
IPv6 prefixes
2,048
IPv4 addresses
80%
RPKI valid

Who holds AS22012

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

AS number
AS22012
Handle
REALOGY-MADISON
Organization
NRT Inc.
Country
US
ASPA
None published

What AS22012 announces

Prefixes originated by AS22012 in the routing table our collectors hold (kept current as routes change), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
5
IPv6 prefixes
0
IPv4 addresses
2,048 (8 /24s)
RPKI valid
4 80%
RPKI invalid
0
RPKI not found
1
ROAs naming AS22012
10
With an IRR route object
1 20%

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 AS22012 buys transit from

Inferred from the AS paths in the RouteViews tables and our own collectors’ feeds, refreshed every 4 hours, most-seen first. 2 upstreams.

Who buys transit from AS22012

None seen: AS22012 does not appear to provide transit to anyone.

Routing registry objects

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

Route objects with origin AS22012: ALTDB 1

as-sets that list AS22012 (3)