AS1133

SURF B.V.

AS 1133 UTWENTE-AS

Autonomous Systems are networks typically governed by large ISPs that participate in global Internet routing. Each network is assigned a unique identification number known as the AS number or ASN by the Internet Assigned Numbers Authority.

65,536 IP addresses
ASN1133
NameUTWENTE-AS
OrganizationSURF B.V.
CountryNetherlands  
RegistryARIN
IPv4 addresses65,536
IPv6 /64 networks216
Prefixes2
Other ASN allocated to SURF B.V.
ASN Name IP addresses
1103 SURFNET-NL 6,233,600
1101 IP-EEND-AS 1,838,592
1128 TUDELFT-NL 196,608
1161 AS-TUE 69,632
1199 SPEELTUIN-AS 65,536
1147 MCL-AS 32,768
1145 Kennisnet-AS 4,096
1152 SIVON-AS 2,048
1102 SMEERBOEL-AS 768
1132 METEOGROUP-AS 256
1146 OS3-AS 256
1150 SURFNET-AS 0
1125 UNSPECIFIED 0
1142 WKAPNET 0
1149 SURFNET-AS 0
IPv4 Prefixes for AS1133
Network Location Addresses
130.89.0.0/16 Surf B.V.   Amsterdam 65,536
IPv6 Prefixes for AS1133
Network Location /64 Prefixes
2001:67c:2564::/48 University Twente   Enschede 216