ResearchRouting table, RPKI, IRR & looking glass

AS20738 Heart Internet limited

AS20738 (GD-EMEA-DC-LD5) is registered to Heart Internet limited in GB. It originates 79 prefixes in the global routing table.

76
IPv4 prefixes
3
IPv6 prefixes
40,960
IPv4 addresses
100%
RPKI valid

Who holds AS20738

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

AS number
AS20738
Handle
GD-EMEA-DC-LD5
Organization
Heart Internet limited
Country
GB
ASPA
1 provider

What AS20738 announces

Prefixes originated by AS20738 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
76
IPv6 prefixes
3
IPv4 addresses
40,960 (160 /24s)
RPKI valid
79 100%
RPKI invalid
0
RPKI not found
0
ROAs naming AS20738
207
With an IRR route object
78 98%

Who AS20738 is reached through

The AS just before AS20738 in the paths our looking glass collectors hold, for 60 of its prefixes. Usually a transit provider, sometimes a peer. The number is how many of those prefixes it was seen on.

Provider authorization

AS20738 publishes an ASPA naming this provider. Check a path.

Routing registry objects

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

Sourceas-nameMaintained by
RIPEGD-EMEA-DC-LD5RIPE-NCC-END-MNT, LIR-UK-HEART-INTERNET-1-MNT

Route objects with origin AS20738: RIPE 303 · RADB 30 · ARIN 12

as-sets that list AS20738 (13)