AS43155 SW-BIELEFELD-AS Stadtwerke Bielefeld GmbH

🇩🇪

Org handle: ORG-SBG6-RIPE

RIPE NCCallocated

Announced Prefixes (BGP)

4total

3 IPv41 IPv6

IPv4 Addresses

Allocated (RIR)1,536

Announced (BGP)1,792

IPv6 Addresses

Allocated (RIR)6.3×10²⁹

Announced (BGP)6.3×10²⁹

Prefix Limit (IPv4)

Prefix Limit (IPv6)

Country

RIR

Status

allocated

Allocated

2007-06-15

Announced Prefixes

(BGP)4

Prefix	RPKI	IRR	Last Seen
91.194.108.0/23	No ROA	RIPE	2026-10-11
185.99.52.0/22	No ROA	RIPE	2026-10-11
185.99.55.0/24	No ROA	RIPE	2026-10-11
2a06:1080::/29	No ROA	RIPE	2026-10-11

(RIR)3

Prefix	Country	RIR	Status
91.194.108.0/23	🇩🇪 DE	RIPENCC	assigned
185.99.52.0/22	🇩🇪 DE	RIPENCC	allocated
2a06:1080::/29	🇩🇪 DE	RIPENCC	allocated

(seen in AS paths)

Networks AS43155 hands its own prefixes to: transit providers, or peers at an exchange.

AS198967BITel Gesellschaft Fuer Telekommunikation BITel Gesellschaft Fuer Telekommunikation MbH6
AS3320DTAG Deutsche Telekom1

ASPA

No ASPA

Abuse Contact

External Links

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 AS43155 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

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

curl -s "https://api.ipctl.io/v1/asn/43155" | jq