Autonomous System
AS51815 Kustbandet AB
ISPActiveSwedenRIPE
AS51815 (TEKNIKBYRAN) is an ISP network operated by Kustbandet AB in Sweden, registered with RIPE. It has 17 IPv4 prefixes with 14,336 addresses and 7 IPv6 prefixes, which makes it the 8,446th largest of 82,200 active autonomous systems by IPv4 space.
IPv4 addresses14,336in 17 prefixes
IPv6 prefixes7≈ 1.5 × 10³⁰ addresses
Size rank#8,446of 82,200 active ASNs
Details
OrganizationKustbandet AB
AS nameTEKNIKBYRAN
Websitekustbandet.com
Country Sweden (SE)
Network typeISP
RegistryRIPE
Abuse contactregistry@kustbandet.com
Registered2011-01-12
Last updated2026-07-08
IPv4 prefixes
17 prefixes · 14,336 addresses| Network | Addresses | First – last address |
|---|---|---|
| 176.56.240.0/20 | 4,096 | 176.56.240.0 – 176.56.255.255 |
| 78.108.48.0/21 | 2,048 | 78.108.48.0 – 78.108.55.255 |
| 91.190.136.0/21 | 2,048 | 91.190.136.0 – 91.190.143.255 |
| 185.31.196.0/22 | 1,024 | 185.31.196.0 – 185.31.199.255 |
| 185.170.180.0/22 | 1,024 | 185.170.180.0 – 185.170.183.255 |
| 185.196.152.0/22 | 1,024 | 185.196.152.0 – 185.196.155.255 |
| 62.102.148.0/23 | 512 | 62.102.148.0 – 62.102.149.255 |
| 62.102.151.0/24 | 256 | 62.102.151.0 – 62.102.151.255 |
| 91.208.81.0/24 | 256 | 91.208.81.0 – 91.208.81.255 |
| 91.209.88.0/24 | 256 | 91.209.88.0 – 91.209.88.255 |
| 91.226.177.0/24 | 256 | 91.226.177.0 – 91.226.177.255 |
| 91.226.180.0/24 | 256 | 91.226.180.0 – 91.226.180.255 |
| 185.152.213.0/24 | 256 | 185.152.213.0 – 185.152.213.255 |
| 192.121.99.0/24 | 256 | 192.121.99.0 – 192.121.99.255 |
| 192.121.137.0/24 | 256 | 192.121.137.0 – 192.121.137.255 |
| 193.234.4.0/24 | 256 | 193.234.4.0 – 193.234.4.255 |
| 194.103.41.0/24 | 256 | 194.103.41.0 – 194.103.41.255 |
176.56.240.0/20 78.108.48.0/21 91.190.136.0/21 185.31.196.0/22 185.170.180.0/22 185.196.152.0/22 62.102.148.0/23 62.102.151.0/24 91.208.81.0/24 91.209.88.0/24 91.226.177.0/24 91.226.180.0/24 185.152.213.0/24 192.121.99.0/24 192.121.137.0/24 193.234.4.0/24 194.103.41.0/24
IPv6 prefixes
7 prefixes- 2a0a:b780::/29
- 2a0b:b40::/29
- 2a00:1520::/32
- 2a02:2490::/32
- 2a03:9ea0::/32
- 2001:67c:5f4::/48
- 2001:67c:19a4::/48
2a0a:b780::/29 2a0b:b40::/29 2a00:1520::/32 2a02:2490::/32 2a03:9ea0::/32 2001:67c:5f4::/48 2001:67c:19a4::/48
Query AS51815 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=AS51815&key=YOUR_API_KEY"Any address in its prefixes resolves to AS51815, with or without a key:
curl "https://api.ipapi.is/?q=176.56.240.1"