AS1101

SURF B.V.

AS 1101 IP-EEND-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.

1,838,592 IP addresses
ASN1101
NameIP-EEND-AS
OrganizationSURF B.V.
CountryNetherlands  
RegistryARIN
IPv4 addresses1,838,592
IPv6 /64 networks232
Prefixes15
Other ASN allocated to SURF B.V.
ASN Name IP addresses
1103 SURFNET-NL 6,233,600
1128 TUDELFT-NL 196,608
1161 AS-TUE 69,632
1199 SPEELTUIN-AS 65,536
1133 UTWENTE-AS 65,536
1147 MCL-AS 32,768
1145 Kennisnet-AS 4,096
1152 SIVON-AS 2,048
1102 SMEERBOEL-AS 768
1146 OS3-AS 256
1132 METEOGROUP-AS 256
1142 WKAPNET 0
1149 SURFNET-AS 0
1150 SURFNET-AS 0
1125 UNSPECIFIED 0
IPv4 Prefixes for AS1101
Network Location Addresses
145.102.4.0/23 Onweer   Utrecht (Binnenstad) 512
145.192.0.0/12 SURFnet III a   Utrecht 1,048,576
145.208.0.0/13 SURFnet III b   Utrecht 524,288
145.216.0.0/15 SURFnet III c   Utrecht 131,072
145.220.0.0/16 SURFnet III d   Utrecht (Oost) 65,536
145.99.0.0/16 Surfnet Various   Utrecht (Binnenstad) 65,536
185.100.59.0/24 In use by public IRC server the Eris Free Network   Hilversum 256
192.12.54.0/24 Ip-Eend   Utrecht (Binnenstad) 256
192.150.94.0/24 Ip-Eend   Utrecht (Binnenstad) 256
192.16.200.0/24 Surf B.V.   Utrecht (Binnenstad) 256
192.42.116.0/22 Surf B.V.   Amsterdam (Amsterdam-Centrum) 1,024
192.42.128.0/22 Surf B.V.   Utrecht (Binnenstad) 1,024
IPv6 Prefixes for AS1101 - showing the first 2 of 3 networks
Network Location /64 Prefixes
2001:67c:12d8::/48 In use by public IRC server the Eris Free Network   Hilversum 216
2001:67c:6ec::/48 Surf B.V.   Utrecht 216