ResearchRouting table, RPKI, IRR & looking glass

AS1523 Headquarters, USAISC

AS1523 (DNIC-ASBLK-01522-01526) is registered to Headquarters, USAISC in US. It originates 1 prefix in the global routing table.

1
IPv4 prefixes
0
IPv6 prefixes
256
IPv4 addresses
0%
RPKI valid

Who holds AS1523

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

AS number
AS1523
Handle
DNIC-ASBLK-01522-01526
Organization
Headquarters, USAISC
Country
US
ASPA
None published

What AS1523 announces

Prefixes originated by AS1523 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
1
IPv6 prefixes
0
IPv4 addresses
256 (1 /24s)
RPKI valid
0 0%
RPKI invalid
0
RPKI not found
1
ROAs naming AS1523
2
With an IRR route object
1 100%

Announced prefixes

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

IPv4 (1)

RPKI valid   RPKI invalid   no ROA covers it

Who AS1523 is reached through

The AS just before AS1523 in the paths our looking glass collectors hold, for 1 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
RADBUS-Army-ITaaS-MSFTMAINT-AS1544

Route objects with origin AS1523: ARIN 2 · LEVEL3 1 · RADB 1

as-sets that list AS1523 (6)