Autonomous System
AS209040 SeWiKom GmbH
ISPActiveGermanyRIPE
AS209040 (ASseWi) is an ISP network operated by SeWiKom GmbH in Germany, registered with RIPE. It has 11 IPv4 prefixes with 23,552 addresses and 3 IPv6 prefixes, which makes it the 6,271st largest of 82,200 active autonomous systems by IPv4 space.
IPv4 addresses23,552in 11 prefixes
IPv6 prefixes3≈ 5.1 × 10²⁷ addresses
Size rank#6,271of 82,200 active ASNs
Details
OrganizationSeWiKom GmbH
AS nameASseWi
Websitesewikom.de
Country Germany (DE)
Network typeISP
RegistryRIPE
Abuse contactabuse@sewikom.de
Registered2019-04-18
Last updated2025-09-22
IPv4 prefixes
11 prefixes · 23,552 addresses| Network | Addresses | First – last address |
|---|---|---|
| 216.31.96.0/19 | 8,192 | 216.31.96.0 – 216.31.127.255 |
| 178.19.80.0/20 | 4,096 | 178.19.80.0 – 178.19.95.255 |
| 216.31.80.0/20 | 4,096 | 216.31.80.0 – 216.31.95.255 |
| 46.167.40.0/21 | 2,048 | 46.167.40.0 – 46.167.47.255 |
| 185.54.116.0/22 | 1,024 | 185.54.116.0 – 185.54.119.255 |
| 216.31.68.0/22 | 1,024 | 216.31.68.0 – 216.31.71.255 |
| 216.31.72.0/22 | 1,024 | 216.31.72.0 – 216.31.75.255 |
| 216.31.64.0/23 | 512 | 216.31.64.0 – 216.31.65.255 |
| 216.31.66.0/23 | 512 | 216.31.66.0 – 216.31.67.255 |
| 216.31.76.0/23 | 512 | 216.31.76.0 – 216.31.77.255 |
| 216.31.78.0/23 | 512 | 216.31.78.0 – 216.31.79.255 |
216.31.96.0/19 178.19.80.0/20 216.31.80.0/20 46.167.40.0/21 185.54.116.0/22 216.31.68.0/22 216.31.72.0/22 216.31.64.0/23 216.31.66.0/23 216.31.76.0/23 216.31.78.0/23
IPv6 prefixes
3 prefixes- 2a00:f420:2000::/36
- 2a00:f420:8040::/42
- 2a00:f420:8080::/42
2a00:f420:2000::/36 2a00:f420:8040::/42 2a00:f420:8080::/42
Query AS209040 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=AS209040&key=YOUR_API_KEY"Any address in its prefixes resolves to AS209040, with or without a key:
curl "https://api.ipapi.is/?q=216.31.96.1"Largest networks in Germany
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