ResearchRouting table, RPKI, IRR & looking glass

AS202820 Chih-Jen CHENG

AS202820 (CHIN-JEN) is registered to Chih-Jen CHENG in TW. It originates 1 prefix in the global routing table.

0
IPv4 prefixes
1
IPv6 prefixes
100%
RPKI valid

Who holds AS202820

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

AS number
AS202820
Handle
CHIN-JEN
Organization
Chih-Jen CHENG
Country
TW
ASPA
None published

What AS202820 announces

Prefixes originated by AS202820 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
0
IPv6 prefixes
1
RPKI valid
1 100%
RPKI invalid
0
RPKI not found
0
ROAs naming AS202820
1
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.

IPv6 (1)

RPKI valid   RPKI invalid   no ROA covers it

Who AS202820 is reached through

The AS just before AS202820 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
RIPECHIN-JENRIPE-NCC-END-MNT, MNT-FR-SCALYNET-1, TW-CHIHJENCHENG-MNT

Route objects with origin AS202820: APNIC 1 · RADB 1

as-sets that list AS202820 (8)