ResearchRouting table, RPKI, IRR & looking glass

AS51155 Citylink Telecom Sp. z o.o.

AS51155 (TBTELECOM) is registered to Citylink Telecom Sp. z o.o. in PL. It originates 4 prefixes in the global routing table.

3
IPv4 prefixes
1
IPv6 prefixes
5,120
IPv4 addresses
100%
RPKI valid

Who holds AS51155

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

AS number
AS51155
Handle
TBTELECOM
Organization
Citylink Telecom Sp. z o.o.
Country
PL
ASPA
None published

What AS51155 announces

Prefixes originated by AS51155 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
3
IPv6 prefixes
1
IPv4 addresses
5,120 (20 /24s)
RPKI valid
4 100%
RPKI invalid
0
RPKI not found
0
ROAs naming AS51155
5
With an IRR route object
4 100%

Announced prefixes

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

IPv4 (3)
IPv6 (1)

RPKI valid   RPKI invalid   no ROA covers it

Who AS51155 is reached through

The AS just before AS51155 in the paths our looking glass collectors hold, for 4 of its prefixes. Usually a transit provider, sometimes a peer. The number is how many of those prefixes it was seen on.

Provider authorization

AS51155 publishes no ASPA of its own. 1 AS name it as a provider in theirs. Check a path.

The 1 ASes that name AS51155 as a provider