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.
ASN | 1103 |
Name | SURFNET-NL |
Organization | SURF B.V. |
Country | The Netherlands
|
Registry | ARIN |
IPv4 addresses | 6,172,416 |
IPv6 /64 networks | 235 |
Prefixes | 99 |
Other ASN allocated to SURF B.V.
IPv4 Prefixes for AS1103 - showing the first 20 of 96 networks
Network |
Location |
Addresses |
129.125.0.0/16 |
Surf B.V. |
Groningen (Oranjewijk) |
65,536 |
130.112.0.0/16 |
Ecn |
Amsterdam |
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 |