ResearchRouting table, RPKI, IRR & looking glass

AS18973 TAG Online Inc.

AS18973 (TAG-ONLINE) is registered to TAG Online Inc. in US. It originates 7 prefixes in the global routing table.

4
IPv4 prefixes
3
IPv6 prefixes
1,536
IPv4 addresses
100%
RPKI valid

Who holds AS18973

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

AS number
AS18973
Handle
TAG-ONLINE
Organization
TAG Online Inc.
Country
US
ASPA
None published

What AS18973 announces

Prefixes originated by AS18973 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
4
IPv6 prefixes
3
IPv4 addresses
1,536 (6 /24s)
RPKI valid
7 100%
RPKI invalid
0
RPKI not found
0
ROAs naming AS18973
3
With an IRR route object
7 100%

Announced prefixes

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

Who AS18973 is reached through

The AS just before AS18973 in the paths our looking glass collectors hold, for 7 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
RADBTagOnlineMAINT-AS18973

Route objects with origin AS18973: RADB 21 · ARIN 1

as-sets that list AS18973 (8)