ResearchRouting table, RPKI, IRR & looking glass

AS6536 CityNet

AS6536 (CITYNET) is registered to CityNet in US. It originates 8 prefixes in the global routing table.

7
IPv4 prefixes
1
IPv6 prefixes
36,864
IPv4 addresses
0%
RPKI valid

Who holds AS6536

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

AS number
AS6536
Handle
CITYNET
Organization
CityNet
Country
US
ASPA
None published

What AS6536 announces

Prefixes originated by AS6536 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
7
IPv6 prefixes
1
IPv4 addresses
36,864 (144 /24s)
RPKI valid
0 0%
RPKI invalid
0
RPKI not found
8
ROAs naming AS6536
0
With an IRR route object
8 100%

Announced prefixes

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

Who AS6536 is reached through

The AS just before AS6536 in the paths our looking glass collectors hold, for 8 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
ALTDBCITYNET-ASMAINT-AS6536
ARINAS-CITYNET10MNT-CITYNE-10
RADBRoadRunnerMAINT-RR

Route objects with origin AS6536: RADB 26 · ARIN 8 · ALTDB 5

as-sets that list AS6536 (8)