Home ASN LookupAS204038

AS204038 ADITSYSTEMS AD IT Systems GmbH

🇩🇪

Org handle: ORG-AFD2-RIPE

RIPE NCCallocated

Announced Prefixes (BGP)

3total

1 IPv42 IPv6

IPv4 Addresses

Allocated (RIR)1,280

Announced (BGP)1,024

IPv6 Addresses

Allocated (RIR)7.9×10²⁸

Announced (BGP)3.1×10²⁶

Prefix Limit (IPv4)

Prefix Limit (IPv6)

Country

🇩🇪 DE

RIR

RIPE NCC

Status

allocated

Allocated

2015-09-09

Announced Prefixes

(BGP)3

Prefix	RPKI	IRR	Last Seen
185.115.176.0/22	No ROA	RIPE	2026-10-11
2a02:74a0:1::/48	No ROA	RIPE	2026-10-11
2a02:74a0:a000::/40	No ROA	RIPE	2026-10-11

Allocated Prefixes

(RIR)5

Prefix	Country	RIR	Status
85.204.39.0/24	🇩🇪 DE	RIPENCC	allocated
185.115.176.0/22	🇩🇪 DE	RIPENCC	allocated
2a02:74a0::/32	🇩🇪 DE	RIPENCC	allocated
2a02:74a0:1::/48	🇩🇪 DE	RIPE	assigned
2a02:74a0:a000::/40	🇩🇪 DE	RIPE	assigned

All 3 announced prefixes of AS204038 →

BGP Neighbours

(seen in AS paths)

Upstreams (2)

Networks AS204038 hands its own prefixes to: transit providers, or peers at an exchange.

AS12337NORIS NETWORK Noris Network2
AS33891CORE BACKBONE Core Backbone1

Transfer History

Registry transfers of AS204038 between organisations.

AS204038M&A · 2022-06-21
Anton Friedrich Dollmaier
RIPE NCC
→
AD IT Systems GmbH
RIPE NCC

Date	Resource	From	To	Type
2022-06-21	AS204038	Anton Friedrich Dollmaier RIPE NCC	AD IT Systems GmbH RIPE NCC	M&A

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 AS204038 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/204038

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

curl -s "https://api.ipctl.io/v1/asn/204038" | jq