AS42081

Summary

Country	United Kingdom
Organization	European Centre for Medium-range Weather Forecasts (ecmwf)
Domain	ecmwf.int
Number of IPv4	29,440
Number of IPv6	7.9789× 1025
AS Type	Business
Registry	RIPE NCC
Allocated	December 14, 2018 (about 6 years ago)
Updated	October 08, 2022 (about 2 years ago)

IP Ranges

AS42081 announces 8 IPv4 ranges and 3 IPv6 ranges.

That's a total of 29,440 IPv4 addresses and 7.9789× 10²⁵ IPv6 addresses.

Prefix	Organization	Size	Registry	Status
77.83.224.0/22	ECMWF-BOL	1,024	RIPE NCC	ASSIGNED PA
77.83.224.0/23	ECMWF-BOL	512	RIPE NCC	ASSIGNED PA
77.83.226.0/24	ECMWF-BOL	256	RIPE NCC	ASSIGNED PA
136.156.32.0/22	European Centre for Medium-range Weather Forecasts (ecmwf)	1,024	RIPE NCC	LEGACY
136.156.40.0/21	European Centre for Medium-range Weather Forecasts (ecmwf)	2,048	RIPE NCC	LEGACY
136.156.128.0/20	European Centre for Medium-range Weather Forecasts (ecmwf)	4,096	RIPE NCC	LEGACY
136.156.144.0/20	European Centre for Medium-range Weather Forecasts (ecmwf)	4,096	RIPE NCC	LEGACY
136.156.192.0/18	EURO-MET-NET-DC	16,384	RIPE NCC	LEGACY

Prefix	Organization	Size	Registry	Status
2a09:9180:ec00::/42	ECMWF-BOL	7.7371× 1025	RIPE NCC	AGGREGATED-BY-LIR
2a09:9180:ecfb::/48	ECMWF-BOL	1.2089× 1024	RIPE NCC	ASSIGNED
2a09:9180:ecfd::/48	ECMWF-BOL	1.2089× 1024	RIPE NCC	ASSIGNED

Peers

AS42081 does not have any direct peering agreements. Instead, its global connectivity is achieved through transit providers. While this setup ensures comprehensive reach, future peering could reduce latency and optimize route efficiency.

Upstreams

AS42081 connects to the global Internet via at least 2 upstream providers. In this setup, AS42081 acts as a customer, subscribing to these transit services to obtain full BGP routing information and ensure reliable, redundant access to external networks.

Downstreams

AS42081 currently has no downstream networks, meaning it does not serve as a transit provider to customer networks.