Home ASN LookupAS21150

AS21150 InacDE-Atos Atos Information Technology GmbH

🇩🇪

Org handle: ORG-IST1-RIPE

RIPE NCCallocated

Announced Prefixes (BGP)

16total

15 IPv41 IPv6

IPv4 Addresses

Allocated (RIR)16,128

Announced (BGP)28,416

IPv6 Addresses

Allocated (RIR)4.9×10²⁷

Announced (BGP)4.9×10²⁷

Prefix Limit (IPv4)

Prefix Limit (IPv6)

Country

🇩🇪 DE

RIR

RIPE NCC

Status

allocated

Allocated

2001-09-11

Announced Prefixes

(BGP)16

Prefix	RPKI	IRR	Last Seen
91.207.162.0/23	No ROA	RIPE	2026-10-11
129.185.160.0/19	No ROA	RIPE	2026-10-11
155.45.160.0/20	Valid	RIPE	2026-10-11
155.45.176.0/20	Valid	RIPE	2026-10-11
155.45.208.0/21	Valid	RIPE	2026-10-11
155.45.240.0/21	Valid	RIPE	2026-10-11
155.45.255.0/24	Valid	RIPE	2026-10-11
185.60.36.0/22	No ROA	RIPE	2026-10-11
192.54.66.0/24	No ROA	RIPE	2026-10-11
193.26.126.0/24	No ROA	RIPE	2026-10-11

1-10 of 16

1 / 2

Allocated Prefixes

(RIR)11

Prefix	Country	RIR	Status
91.207.162.0/23	🇩🇪 DE	RIPENCC	assigned
129.185.160.0/19	🇩🇪 DE	RIPE	assigned
185.60.36.0/22	🇩🇪 DE	RIPENCC	allocated
192.54.66.0/24	🇩🇪 DE	RIPENCC	assigned
193.26.126.0/24	🇩🇪 DE	RIPENCC	assigned
193.138.113.0/24	🇩🇪 DE	RIPENCC	assigned
193.186.254.0/24	🇩🇪 DE	RIPENCC	assigned
194.8.100.0/24	🇩🇪 DE	RIPE	assigned
194.55.108.0/22	🇩🇪 DE	RIPENCC	assigned
217.115.64.0/20	🇩🇪 DE	RIPENCC	allocated

1-10 of 11

1 / 2

All 16 announced prefixes of AS21150 →

BGP Neighbours

(seen in AS paths)

Upstreams (3)

Networks AS21150 hands its own prefixes to: transit providers, or peers at an exchange.

AS8881VERSATEL 1&1 Versatel14
AS15830Equinix (EMEA) Acquisition Enterprises B.V2
AS15598IPX AS15598 NorthC Deutschland1

Downstreams (6)

Networks whose own prefixes AS21150 passes on: usually its customers.

AS15465SiemensDE Siemens13
AS47696ATOS Information Technology6
AS43978AIDB Atos Information Technology5
AS8735Atos DE Nuremberg Atos Information Technology4
AS20594MosaicDE Atos Information Technology4
AS21026Atos Essen Atos Information Technology3

Transfer History

Registry transfers of AS21150 between organisations.

AS21150M&A · 2019-01-22
Atos IT Solutions and Services GmbH
RIPE NCC
→
Atos Information Technology GmbH
RIPE NCC

Date	Resource	From	To	Type
2019-01-22	AS21150	Atos IT Solutions and Services GmbH RIPE NCC	Atos Information Technology 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 AS21150 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/21150

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

curl -s "https://api.ipctl.io/v1/asn/21150" | jq