Autonomous System

AS207790 SWN Stadtwerke Neumuenster GmbH

ISPActiveGermanyRIPE

AS207790 (SWNNMS) is an ISP network operated by SWN Stadtwerke Neumuenster GmbH in Germany, registered with RIPE. It has 9 IPv4 prefixes with 146,432 addresses and 1 IPv6 prefix, which makes it the 1,630th largest of 82,200 active autonomous systems by IPv4 space.

IPv4 addresses146,432in 9 prefixes
IPv6 prefixes1≈ 6.3 × 10²⁹ addresses
Size rank#1,630of 82,200 active ASNs
Abuser scoreVery Low0.01% of its addresses flagged · method

Details

OrganizationSWN Stadtwerke Neumuenster GmbH
AS nameSWNNMS
Websiteswn.net
Country Germany (DE)
Network typeISP
RegistryRIPE
Abuse contactabuse@swnnet.de
Registered2019-11-22
Last updated2025-11-25

IPv4 prefixes

9 prefixes · 146,432 addresses
NetworkAddressesFirst – last address
89.56.0.0/1665,53689.56.0.0 – 89.56.255.255
89.57.0.0/1816,38489.57.0.0 – 89.57.63.255
89.57.64.0/1816,38489.57.64.0 – 89.57.127.255
89.57.128.0/1816,38489.57.128.0 – 89.57.191.255
89.57.192.0/1816,38489.57.192.0 – 89.57.255.255
194.97.96.0/198,192194.97.96.0 – 194.97.127.255
62.197.0.0/204,09662.197.0.0 – 62.197.15.255
62.197.16.0/212,04862.197.16.0 – 62.197.23.255
185.12.88.0/221,024185.12.88.0 – 185.12.91.255

IPv6 prefixes

1 prefix
  • 2a03:7840::/29

Query AS207790 with the API

The ASN lookup returns everything on this page as JSON, including every prefix. ASN lookups need an API key: a free account comes with 1,000 requests a day. 

curl "https://api.ipapi.is/?q=AS207790&key=YOUR_API_KEY"

Any address in its prefixes resolves to AS207790, with or without a key:

curl "https://api.ipapi.is/?q=89.56.0.1"

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