Autonomous System
AS1133 SURF B.V.
ISPActiveNetherlandsRIPE
AS1133 (UTWENTE-AS) is an ISP network operated by SURF B.V. in Netherlands, registered with RIPE. It has 1 IPv4 prefix with 65,536 addresses and 1 IPv6 prefix, which makes it the 3,531st largest of 82,612 active autonomous systems by IPv4 space.
IPv4 addresses65,536in 1 prefix
IPv6 prefixes1≈ 1.2 × 10²⁴ addresses
Size rank#3,531of 82,612 active ASNs
Details
OrganizationSURF B.V.
AS nameUTWENTE-AS
Websitesurf.nl
Country Netherlands (NL)
Network typeISP
RegistryRIPE
Abuse contactcert@surfcert.nl
Registered2002-08-21
Last updated2017-06-12
IPv4 prefixes
1 prefix · 65,536 addresses| Network | Addresses | First – last address |
|---|---|---|
| 130.89.0.0/16 | 65,536 | 130.89.0.0 – 130.89.255.255 |
130.89.0.0/16
IPv6 prefixes
1 prefix- 2001:67c:2564::/48
2001:67c:2564::/48
Query AS1133 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=AS1133&key=YOUR_API_KEY"Any address in its prefixes resolves to AS1133, with or without a key:
curl "https://api.ipapi.is/?q=130.89.0.1"Other networks of SURF B.V.
6 of 7AS1103 SURF B.V.7,217,408 IPv4 addressesAS1101 SURF B.V.1,772,544 IPv4 addressesAS1128 SURF B.V.196,608 IPv4 addressesAS1161 SURF B.V.69,632 IPv4 addressesAS1106 SURF B.V.65,536 IPv4 addressesAS1199 SURF B.V.65,536 IPv4 addresses