ResearchRouting table, RPKI, IRR & looking glass

AS209505 Unchained ISP Limited

AS209505 (UNCHAINEDISP) is registered to Unchained ISP Limited in GB. It originates 6 prefixes in the global routing table.

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

Who holds AS209505

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

AS number
AS209505
Handle
UNCHAINEDISP
Organization
Unchained ISP Limited
Country
GB
ASPA
4 providers

What AS209505 announces

Prefixes originated by AS209505 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
3
IPv4 addresses
1,536 (6 /24s)
RPKI valid
6 100%
RPKI invalid
0
RPKI not found
0
ROAs naming AS209505
6
With an IRR route object
6 100%

Announced prefixes

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

IPv4 (3)
IPv6 (3)

RPKI valid   RPKI invalid   no ROA covers it

Who AS209505 is reached through

The AS just before AS209505 in the paths our looking glass collectors hold, for 6 of its prefixes. Usually a transit provider, sometimes a peer. The number is how many of those prefixes it was seen on.

Provider authorization

AS209505 publishes an ASPA naming these providers. 3 ASes name it as a provider in theirs. Check a path.

The 3 ASes that name AS209505 as a provider

Routing registry objects

From the mirrored IRR databases (RADB, the five RIRs and more). Look it up live.

Sourceas-nameMaintained by
RIPEUNCHAINEDISPRIPE-NCC-END-MNT, UNCHAINED-MNT

Route objects with origin AS209505: RIPE 6

as-sets that list AS209505 (11)