Autonomous System
AS1128 SURF B.V.
ISPActiveNetherlandsRIPE
AS1128 (TUDELFT-NL) is an ISP network operated by SURF B.V. in Netherlands, registered with RIPE. It has 3 IPv4 prefixes with 196,608 addresses, which makes it the 1,329th largest of 82,558 active autonomous systems by IPv4 space.
IPv4 addresses196,608in 3 prefixes
IPv6 prefixes0none
Size rank#1,329of 82,558 active ASNs
Details
OrganizationSURF B.V.
AS nameTUDELFT-NL
Websitesurf.nl
Country Netherlands (NL)
Network typeISP
RegistryRIPE
Abuse contactcert@surfcert.nl
Registered2002-09-20
Last updated2021-01-22
IPv4 prefixes
3 prefixes · 196,608 addresses| Network | Addresses | First – last address |
|---|---|---|
| 130.161.0.0/16 | 65,536 | 130.161.0.0 – 130.161.255.255 |
| 131.180.0.0/16 | 65,536 | 131.180.0.0 – 131.180.255.255 |
| 145.94.0.0/16 | 65,536 | 145.94.0.0 – 145.94.255.255 |
130.161.0.0/16 131.180.0.0/16 145.94.0.0/16
IPv6 prefixes
No IPv6 prefixes.
Query AS1128 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=AS1128&key=YOUR_API_KEY"Any address in its prefixes resolves to AS1128, with or without a key:
curl "https://api.ipapi.is/?q=130.161.0.1"Other networks of SURF B.V.
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