Home ASN LookupAS12817

AS12817 GEFOEKOM GeFoekoM e.V.

🇩🇪

Org handle: ORG-GEF1-RIPE

Wuerzburg, Germany

RIPE NCCallocated

Announced Prefixes (BGP)

2total

1 IPv41 IPv6

IPv4 Addresses

Allocated (RIR)512

Announced (BGP)512

IPv6 Addresses

Allocated (RIR)3.1×10²⁶

Announced (BGP)3×10²⁶

Prefix Limit (IPv4)

Prefix Limit (IPv6)

Country

🇩🇪 DE

RIR

RIPE NCC

Status

allocated

Allocated

1999-11-22

Announced Prefixes

(BGP)2

Prefix	RPKI	IRR	Last Seen
194.145.150.0/23	Valid	RIPE	2026-10-10
2001:1578:200::/40	Valid	RIPE	2026-10-10

Allocated Prefixes

(RIR)5

Prefix	Country	RIR	Status
194.145.150.0/23	🇩🇪 DE	RIPENCC	assigned
2001:1578:200::/40	🇩🇪 DE	RIPE	assigned
2001:1578:200::/48	🇩🇪 DE	RIPE	assigned
2001:1578:2fe::/48	🇩🇪 DE	RIPE	assigned
2001:1578:2ff::/48	🇩🇪 DE	RIPE	assigned

All 2 announced prefixes of AS12817 →

Downstream Customers(1)

ASN	Name
AS29317	🇩🇪SLZ-AS Sascha Lenz

BGP Neighbours

(seen in AS paths)

Upstreams (2)

Networks AS12817 hands its own prefixes to: transit providers, or peers at an exchange.

AS6939Hurricane Electric1
AS34927IFog1

Downstreams (1)

Networks whose own prefixes AS12817 passes on: usually its customers.

AS29317SLZ Sascha Lenz4

ASPA

No ASPA0 upstreams, 1 downstream

Listed as Upstream Provider by

1 ASN

View full ASPA details →

Abuse Contact

+31205354444

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/12817

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

curl -s "https://api.ipctl.io/v1/asn/12817" | jq