AS1103

SURF B.V.

AS 1103 SURFNET-NL

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.

7,221,760 IP addresses
ASN1103
NameSURFNET-NL
OrganizationSURF B.V.
CountryThe Netherlands  
RegistryARIN
IPv4 addresses7,221,760
IPv6 /64 networks235
Prefixes103
Other ASN allocated to SURF B.V.
ASN Name IP addresses
1101 IP-EEND-AS 1,903,872
1128 TUDELFT-NL 196,608
1161 AS-TUE 69,632
1133 UTWENTE-AS 65,536
1147 MCL-AS 32,768
1145 Kennisnet-AS 4,096
1152 SIVON-AS 2,048
1149 SURFNET-AS 1,280
1102 SMEERBOEL-AS 768
1176 SURFNET-AS 0
1181 SURFNET-AS 0
1167 SURFNET-AS 0
1180 SURFNET-AS 0
1168 SURFNET-AS 0
1179 SURFNET-AS 0
1178 SURFNET-AS 0
1177 SURFNET-AS 0
1169 SURFNET-AS 0
1170 SURFNET-AS 0
1171 SURFNET-AS 0
1174 SURFNET-AS 0
1173 SURFNET-AS 0
1172 SURFNET-AS 0
1175 SURFNET-AS 0
1182 SURFNET-AS 0
1199 SPEELTUIN-AS 0
1198 UNSPECIFIED 0
1196 SURFNET-AS 0
1195 SURFNET-AS 0
1194 SURFNET-AS 0
1193 SURFNET-AS 0
1192 SURFNET-AS 0
1191 SURFNET-AS 0
1190 UNSPECIFIED 0
1189 SURFNET-AS 0
1188 SURFNET-AS 0
1187 SURFNET-AS 0
1186 SURFNET-AS 0
1185 SURFNET-AS 0
1184 SURFNET-AS 0
1183 SURFNET-AS 0
196613 SURFNET-NL 0
1166 netSURF-AS 0
1143 notinuse-AS 0
1142 WKAPNET 0
1141 TUE-Spacelabs 0
1139 UNSPECIFIED 0
1138 UNSPECIFIED 0
1132 METEOGROUP-AS 0
1131 SURFNET-AS 0
1130 UNSPECIFIED 0
1129 UNIMAAS-NL 0
1127 UNSPECIFIED 0
1125 UNSPECIFIED 0
1108 SURFNET-AS 0
1107 SURFNET-AS 0
1106 SURFNET-AS 0
1144 SURFNET-AS 0
1146 OS3-AS 0
1148 LOFAR-AS 0
1165 SURFNET-AS 0
1164 SURFNET-AS 0
1163 SURFNET-AS 0
1162 SURFsara-AS 0
1160 SURFNET-AS 0
1159 SURFNET-AS 0
1158 SURFNET-AS 0
1157 SURFNET-AS 0
1156 SURFNET-AS 0
1155 UNSPECIFIED 0
1154 SURFNET-AS 0
1153 TWENTE-RESEARCH-AS 0
1151 SURFNET-AS 0
1150 SURFNET-AS 0
1105 SURFNET-L3VPN-AS 0
IPv4 Prefixes for AS1103 - showing the first 20 of 100 networks
Network Location Addresses
129.125.0.0/16 Surf B.V.   Groningen (Oranjewijk) 65,536
130.37.0.0/16 Vrije Universiteit Amsterdam   Amsterdam 65,536
131.174.0.0/16 Nunet   Nijmegen (Nijmegen-Centrum) 65,536
131.211.0.0/16 Uunet   Amsterdam 65,536
131.224.0.0/16 Surf B.V.   Bilthoven 65,536
132.229.0.0/16 Rul   Amsterdam 65,536
134.221.0.0/16 Surf B.V.   The Hague 65,536
136.231.0.0/16 Delfthydro1   Amsterdam 65,536
137.120.0.0/16 Surf B.V.   Amsterdam 65,536
137.224.0.0/16 Wau   Wageningen 65,536
137.56.0.0/16 Kubnet-B   Amsterdam 65,536
139.63.0.0/16 Surf B.V.   The Hague (Belgisch Park) 65,536
141.252.0.0/16 Surf B.V.   Leeuwarden 65,536
143.121.0.0/16 netname: AZUTRECHT   Utrecht (Oost) 65,536
145.0.0.0/16 Early registrations SURFnet bv   Utrecht (Binnenstad) 65,536
145.1.0.0/17 Ipt Nioz   Amsterdam 32,768
145.100.0.0/15 Surfnet-Uno   Amsterdam (Amsterdam-Zuidoost) 131,072
145.102.0.0/16 Stichting Internet Domeinregistratie Nederland   Amsterdam 65,536
145.103.0.0/16 glaslokaal.nl   The Hague (Laak) 65,536
145.107.0.0/16 Surf B.V.   Amsterdam 65,536
IPv6 Prefixes for AS1103
Network Location /64 Prefixes
2001:610::/29 SURFnet   Utrecht (Binnenstad) 235
2001:67c:1200::/48 Surf B.V.   Veldhoven 216
2001:67c:262c::/48 Duo   Groningen (Hoogkerk) 216