Home ASN LookupAS205090

AS205090 FIRST-SERVER-EUROPE FIRST SERVER LIMITED

🇬🇧

Org handle: ORG-FSL27-RIPE

RIPE NCCallocated

Announced Prefixes (BGP)

70total

66 IPv44 IPv6

IPv4 Addresses

Allocated (RIR)11,264

Announced (BGP)16,896

IPv6 Addresses

Allocated (RIR)7.9×10²⁸

Announced (BGP)7.9×10²⁸

Prefix Limit (IPv4)

200

Prefix Limit (IPv6)

Country

🇬🇧 GB

RIR

RIPE NCC

Status

allocated

Allocated

2017-11-09

Announced Prefixes

(BGP)70

Prefix	RPKI	IRR	Last Seen
45.9.73.0/24	Valid	RIPE	2026-10-11
45.9.75.0/24	Valid	RIPE	2026-10-11
45.89.65.0/24	Valid	RIPE	2026-10-11
45.90.216.0/24	Valid	RIPE	2026-10-11
45.90.217.0/24	Valid	RIPE	2026-10-11
45.90.218.0/24	Valid	RIPE	2026-10-11
45.90.219.0/24	Valid	RIPE	2026-10-11
45.95.202.0/24	Valid	RIPE	2026-10-11
45.95.203.0/24	Valid	RIPE	2026-10-11
45.132.255.0/24	Valid	RIPE	2026-10-11

1-10 of 70

1 / 7

Allocated Prefixes

(RIR)45

Prefix	Country	RIR	Status
45.9.73.0/24	🇷🇺 RU	RIPE	assigned
45.9.75.0/24	🇷🇺 RU	RIPE	assigned
45.89.65.0/24	🇷🇺 RU	RIPE	assigned
45.95.202.0/24	🇷🇺 RU	RIPE	assigned
45.95.203.0/24	🇷🇺 RU	RIPE	assigned
45.132.255.0/24	🇷🇺 RU	RIPE	assigned
45.142.122.0/24	🇷🇺 RU	RIPE	assigned
84.252.73.0/24	🇷🇺 RU	RIPE	assigned
85.209.2.0/24	🇷🇺 RU	RIPE	assigned
89.44.86.0/24	🇷🇺 RU	RIPE	assigned

1-10 of 45

1 / 5

All 70 announced prefixes of AS205090 →

BGP Neighbours

(seen in AS paths)

Upstreams (2)

Networks AS205090 hands its own prefixes to: transit providers, or peers at an exchange.

AS35196IH TRANSIT FIRST SERVER LIMITED65
AS50113SuperServersDatacenter FIRST SERVER LIMITED5

Transfer History

Registry transfers of AS205090 between organisations.

AS205090Transfer · 2022-11-11
Network Management Ltd
RIPE NCC
→
FIRST SERVER LIMITED
RIPE NCC
AS205090Transfer · 2021-03-31
NTX Technologies s.r.o.
RIPE NCC
→
Network Management Ltd
RIPE NCC

Date	Resource	From	To	Type
2022-11-11	AS205090	Network Management Ltd RIPE NCC	FIRST SERVER LIMITED RIPE NCC	Transfer
2021-03-31	AS205090	NTX Technologies s.r.o. RIPE NCC	Network Management Ltd RIPE NCC	Transfer

ASPA

No ASPA

Abuse Contact

External Links

RIPE Whois RIPEstat

Learn more

What is an ASN?Autonomous systems, ASN ranges and how they are assigned
RPKI and route origin validationWhat the RPKI badges on the prefix list mean
ASPA explainedWhy AS205090 should publish an ASPA object
IPv4 transfers in the RIPE NCC regionMonthly volume and the latest registry transfers
ASN data in AI agents and SIEMMCP server and API integrations

API

Open

GEThttps://api.ipctl.io/v1/asn/205090

Returns ASN details, announced prefixes, and BGP routing data.

curl -s "https://api.ipctl.io/v1/asn/205090" | jq