AS48539 bifrost-systems Bifrost Systems OU

🇪🇪

Org handle: ORG-BSO7-RIPE

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RIPE NCCallocated

Announced Prefixes (BGP)

42total

38 IPv44 IPv6

IPv4 Addresses

Allocated (RIR)9,984

Announced (BGP)9,728

IPv6 Addresses

Allocated (RIR)2.5×10³⁰

Announced (BGP)4.8×10²⁴

Prefix Limit (IPv4)

100

Prefix Limit (IPv6)

Country

🇪🇪 EE

RIR

RIPE NCC

Status

allocated

Allocated

2021-07-20

Routing hygiene

Score 6/100 · Low risk

RPKI ROA coverage

100%

no RPKI invalid prefixes

IRR route objects

100%

no origin mismatches

Hijack signals

0 announced against others' ROAs, 1 own announced by others

Upstreams

diversity 53/100

All announced prefixes have a valid ROA and a matching IRR route object

Based on 42 announced prefixes, updated daily (2026-10-25). How the score works · RPKI explained

Announced Prefixes

(BGP)42

Prefix	RPKI	IRR	Last Seen
2.152.78.0/24	Valid	RIPE	2026-10-26
5.252.156.0/24	Valid	RIPE	2026-10-26
45.81.151.0/24MOAS	Valid	RIPE	2026-10-26
45.85.120.0/24	Valid	RIPE	2026-10-26
45.85.122.0/24	Valid	RIPE	2026-10-26
45.85.123.0/24	Valid	RIPE	2026-10-26
79.98.39.0/24	Valid	RIPE	2026-10-26
86.105.204.0/24	Valid	RIPE	2026-10-26
87.192.81.0/24MOAS	Valid	RIPE	2026-10-26
89.21.84.0/24	Valid	RIPE	2026-10-26

1-10 of 42

1 / 5

Allocated Prefixes

(RIR)43

Prefix	Country	RIR	Status
2.152.78.0/24	🇪🇪 EE	RIPENCC	allocated
5.252.156.0/24	🇬🇧 GB	RIPE	assigned
45.81.151.0/24	🇩🇪 DE	RIPE	assigned
45.85.120.0/22	🇪🇪 EE	RIPENCC	allocated
45.85.120.0/24	🇩🇪 DE	RIPE	assigned
45.85.122.0/24	🇩🇪 DE	RIPE	assigned
45.85.123.0/24	🇩🇪 DE	RIPE	assigned
79.98.39.0/24	🇬🇧 GB	RIPE	assigned
86.105.204.0/24	🇷🇴 RO	RIPE	assigned
89.21.84.0/24	🇪🇺 EU	RIPE	assigned

1-10 of 43

1 / 5

All 42 announced prefixes of AS48539 →

BGP Neighbours

(seen in AS paths)

Upstreams (5)

Networks AS48539 hands its own prefixes to: transit providers, or peers at an exchange.

AS917Misaka Network25
AS20473The Constant Company14
AS35487MISAKA Network1
AS48386MISAKA ES Misaka Network1
AS58313MISAKA UK Misaka Network1

Transfer History

Registry transfers of AS48539 between organisations.

AS48539Transfer · 2019-12-17
Oxilion B.V.
RIPE NCC
→
Fundaments B.V.
RIPE NCC

Date	Resource	From	To	Type
2019-12-17	AS48539	Oxilion B.V. RIPE NCC	Fundaments B.V. 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 AS48539 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/48539

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

curl -s "https://api.ipctl.io/v1/asn/48539" | jq