Autonomous System

AS1199 SURF B.V.

ISPActiveNetherlandsRIPE

AS1199 (SPEELTUIN-AS) is an ISP network operated by SURF B.V. in Netherlands, registered with RIPE. It has 1 IPv4 prefix with 65,536 addresses, which makes it the 3,531st largest of 82,476 active autonomous systems by IPv4 space.

IPv4 addresses65,536in 1 prefix
IPv6 prefixes0none
Size rank#3,531of 82,476 active ASNs
Abuser scoreVery Lowunder 0.01% of its addresses flagged · method

Details

OrganizationSURF B.V.
AS nameSPEELTUIN-AS
Websitesurf.nl
Country Netherlands (NL)
Network typeISP
RegistryRIPE
Abuse contactcert@surfcert.nl
Registered2002-09-20
Last updated2026-09-24

IPv4 prefixes

1 prefix · 65,536 addresses
NetworkAddressesFirst – last address
145.111.0.0/1665,536145.111.0.0 – 145.111.255.255

IPv6 prefixes

No IPv6 prefixes.

Query AS1199 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=AS1199&key=YOUR_API_KEY"

Any address in its prefixes resolves to AS1199, with or without a key:

curl "https://api.ipapi.is/?q=145.111.0.1"

Other networks of SURF B.V.

6 of 7
AS1103 SURF B.V.7,217,408 IPv4 addressesAS1101 SURF B.V.1,773,056 IPv4 addressesAS1128 SURF B.V.196,608 IPv4 addressesAS1161 SURF B.V.69,632 IPv4 addressesAS1106 SURF B.V.65,792 IPv4 addressesAS1133 SURF B.V.65,536 IPv4 addresses

Largest networks in Netherlands

AS20940 Akamai International B.V.15,601,408 IPv4 addressesAS33915 Vodafone Libertel B.V.12,032,512 IPv4 addressesAS1136 KPN B.V.7,316,992 IPv4 addressesAS1103 SURF B.V.7,217,408 IPv4 addressesAS50266 Odido Netherlands B.V.2,331,392 IPv4 addressesAS6830 Liberty Global Europe Holding B.V.2,100,480 IPv4 addresses