Home ASN LookupAS15817

AS15817 MITTWALD-AS Robert Meyer trading as "Mittwald CM Service GmbH & Co. KG"

🇩🇪

Org handle: ORG-MCSG1-RIPE

Mittwald CM Service GmbH und Co. KG

RIPE NCCallocated

Announced Prefixes (BGP)

27total

26 IPv41 IPv6

IPv4 Addresses

Allocated (RIR)37,120

Announced (BGP)35,072

IPv6 Addresses

Allocated (RIR)6.3×10²⁹

Announced (BGP)6.3×10²⁹

Prefix Limit (IPv4)

100

Prefix Limit (IPv6)

Country

🇩🇪 DE

RIR

RIPE NCC

Status

allocated

Allocated

2011-01-17

Announced Prefixes

(BGP)27

Prefix	RPKI	IRR	Last Seen
31.220.120.0/21	Valid	RIPE	2026-10-11
37.202.0.0/21	Valid	RIPE	2026-10-11
45.144.184.0/22	Valid	RIPE	2026-10-11
46.30.56.0/21	Valid	RIPE	2026-10-11
153.92.192.0/20	Valid	RIPE	2026-10-11
156.67.232.0/21	Valid	RIPE	2026-10-11
157.97.32.0/20	Valid	RIPE	2026-10-11
176.52.240.0/21	Valid	RIPE	2026-10-11
178.16.56.0/21	Valid	RIPE	2026-10-11
185.15.192.0/22	Valid	RIPE	2026-10-11

1-10 of 27

1 / 3

Allocated Prefixes

(RIR)29

Prefix	Country	RIR	Status
31.220.120.0/21	🇩🇪 DE	RIPENCC	allocated
37.202.0.0/21	🇩🇪 DE	RIPENCC	allocated
45.144.184.0/22	🇩🇪 DE	RIPENCC	allocated
46.30.56.0/21	🇩🇪 DE	RIPENCC	allocated
153.92.192.0/20	🇩🇪 DE	RIPENCC	allocated
156.67.232.0/21	🇩🇪 DE	RIPENCC	allocated
157.97.32.0/20	🇩🇪 DE	RIPENCC	allocated
176.52.240.0/21	🇩🇪 DE	RIPENCC	allocated
178.16.56.0/21	🇩🇪 DE	RIPENCC	allocated
185.15.192.0/22	🇩🇪 DE	RIPENCC	allocated

1-10 of 29

1 / 3

All 27 announced prefixes of AS15817 →

BGP Neighbours

(seen in AS paths)

Upstreams (4)

Networks AS15817 hands its own prefixes to: transit providers, or peers at an exchange.

AS33891CORE BACKBONE Core Backbone12
AS1299TWELVE99 Arelion Sweden AB9
AS6204ZET NET INTERKVM HOST5
AS3320DTAG Deutsche Telekom1

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 AS15817 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/15817

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

curl -s "https://api.ipctl.io/v1/asn/15817" | jq