ResearchRouting table, RPKI, IRR & looking glass

AS399937 Cisco Webex LLC

AS399937 (UCMCLOUD) is registered to Cisco Webex LLC in US. It originates 13 prefixes in the global routing table.

13
IPv4 prefixes
0
IPv6 prefixes
3,328
IPv4 addresses
38%
RPKI valid

Who holds AS399937

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

AS number
AS399937
Handle
UCMCLOUD
Organization
Cisco Webex LLC
Country
US
ASPA
None published

What AS399937 announces

Prefixes originated by AS399937 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
13
IPv6 prefixes
0
IPv4 addresses
3,328 (13 /24s)
RPKI valid
5 38%
RPKI invalid
0
RPKI not found
8
ROAs naming AS399937
5
With an IRR route object
11 84%

Announced prefixes

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

Who AS399937 is reached through

The AS just before AS399937 in the paths our looking glass collectors hold, for 13 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.