// ASN
AS1101
IP-EEND-AS - SURF B.V., NL
Detailed information about the Autonomous System. Need another one? Look up a different ASN.
- ASN
- AS1101
- Organization
- SURFnet bv
- Description
- IP-EEND-AS - SURF B.V., NL
- Country
- NL
- Registry (RIR)
- RIPE
- Created
- 2010-10-03
- Updated
- 2025-11-24
- IPv4 Prefixes
- 14
- IPv6 Prefixes
- 3
IPv4 Prefixes
14 total · showing first 10145.192.0.0/12 145.208.0.0/13 145.216.0.0/15 145.220.0.0/16 145.99.0.0/16 185.100.59.0/24 185.17.73.0/24 192.12.54.0/24 192.150.94.0/24 192.16.200.0/24
IPv6 Prefixes
3 total2001:67c:12d8::/48 2001:67c:6ec::/48 2a04:601::/32
What is AS1101?
AS1101 is an Autonomous System Number (ASN) assigned to SURFnet bv. An ASN identifies a network or group of IP prefixes operated under a common routing policy in the BGP protocol.
Looking for more ASN data?
Use our ASN Lookup Tool for real-time WHOIS queries, or explore our API documentation to integrate ASN data into your applications.