Home ASN LookupAS204033

AS204033 sarthur Oliver Arthur

🇩🇪

Org handle: ORG-SA4948-RIPE

updated

RIPE NCCallocatedASPA Published

Announced Prefixes (BGP)

3total

2 IPv41 IPv6

IPv4 Addresses

Allocated (RIR)767

Announced (BGP)512

IPv6 Addresses

Allocated (RIR)6.3×10²⁹

Announced (BGP)1.2×10²⁴

Prefix Limit (IPv4)

Prefix Limit (IPv6)

Country

🇩🇪 DE

RIR

RIPE NCC

Status

allocated

Allocated

2022-07-08

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, 0 own announced by others

Upstreams

diversity 44/100

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

Based on 3 announced prefixes, updated daily (2026-10-22). How the score works · RPKI explained

Announced Prefixes

(BGP)3

Prefix	RPKI	IRR	Last Seen
176.126.127.0/24	Valid	RIPE	-
185.20.7.0/24	Valid	RIPE	-
2a13:3d00:fff5::/48	Valid	RIPE	-

Allocated Prefixes

(RIR)12

Prefix	Country	RIR	Status
176.126.127.0/24	🇩🇪 DE	RIPENCC	allocated
185.20.7.0/24	🇩🇪 DE	RIPENCC	allocated
185.20.7.1/32	🇩🇪 DE	RIPE	assigned
185.20.7.2/31	🇩🇪 DE	RIPE	assigned
185.20.7.4/30	🇩🇪 DE	RIPE	assigned
185.20.7.8/29	🇩🇪 DE	RIPE	assigned
185.20.7.16/28	🇩🇪 DE	RIPE	assigned
185.20.7.32/27	🇩🇪 DE	RIPE	assigned
185.20.7.64/26	🇩🇪 DE	RIPE	assigned
185.20.7.128/25	🇩🇪 DE	RIPE	assigned

1-10 of 12

1 / 2

All 3 announced prefixes of AS204033 →

Upstream Providers(2)

ASN	Name
AS34872	🇧🇪Servperso_Systems Sarah Rossius trading as Servperso Systems
AS58057	🇨🇭SECUREBIT Securebit AG

BGP Neighbours

(seen in AS paths)

Upstreams (2)

Networks AS204033 hands its own prefixes to: transit providers, or peers at an exchange.

AS34872Servperso Systems Sarah Rossius Trading Servperso Systems2
AS47447TTM 23M1

Transfer History

Registry transfers of AS204033 between organisations.

AS204033Transfer · 2019-11-26
SOLWARE GROUP SAS
RIPE NCC
→
CLOUD ADVICE SAS
RIPE NCC

Date	Resource	From	To	Type
2019-11-26	AS204033	SOLWARE GROUP SAS RIPE NCC	CLOUD ADVICE SAS RIPE NCC	Transfer

ASPA

Published2 upstreams, 0 downstreams

Authorized Upstream Providers

AS34872 AS58057

Expires 2026-10-27

View full ASPA details →

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
How to run an ASPA checkVerify the upstream providers listed above
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/204033

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

curl -s "https://api.ipctl.io/v1/asn/204033" | jq