ResearchRouting table, RPKI, IRR & looking glass

AS51248 Host-Telecom.com s.r.o.

AS51248 (HOST-TELECOM) is registered to Host-Telecom.com s.r.o. in CZ. It originates 25 prefixes in the global routing table.

20
IPv4 prefixes
5
IPv6 prefixes
13,824
IPv4 addresses
96%
RPKI valid

Who holds AS51248

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

AS number
AS51248
Handle
HOST-TELECOM
Organization
Host-Telecom.com s.r.o.
Country
CZ
ASPA
None published

What AS51248 announces

Prefixes originated by AS51248 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
20
IPv6 prefixes
5
IPv4 addresses
13,824 (54 /24s)
RPKI valid
24 96%
RPKI invalid
0
RPKI not found
1
ROAs naming AS51248
28
With an IRR route object
25 100%

Who AS51248 is reached through

The AS just before AS51248 in the paths our looking glass collectors hold, for 25 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
RIPEHOST-TELECOMRIPE-NCC-END-MNT, HOST-TELECOM-MNT, NM35866-MNT, ALSAUT-MNT

Route objects with origin AS51248: RIPE 46

as-sets that list AS51248 (9)