Autonomous System
AS1101 SURF B.V.
ISPActiveNetherlandsRIPE
AS1101 (IP-EEND-AS) is an ISP network operated by SURF B.V. in Netherlands, registered with RIPE. It has 14 IPv4 prefixes with 1,773,056 addresses and 3 IPv6 prefixes, which makes it the 286th largest of 82,534 active autonomous systems by IPv4 space.
IPv4 addresses1,773,056in 14 prefixes
IPv6 prefixes3≈ 7.9 × 10²⁸ addresses
Size rank#286of 82,534 active ASNs
Details
OrganizationSURF B.V.
AS nameIP-EEND-AS
Websitesurf.nl
Country Netherlands (NL)
Network typeISP
RegistryRIPE
Abuse contactcert@surfcert.nl
Registered2002-08-21
Last updated2026-09-24
IPv4 prefixes
14 prefixes · 1,773,056 addresses| Network | Addresses | First – last address |
|---|---|---|
| 145.192.0.0/12 | 1,048,576 | 145.192.0.0 – 145.207.255.255 |
| 145.208.0.0/13 | 524,288 | 145.208.0.0 – 145.215.255.255 |
| 44.137.0.0/16 | 65,536 | 44.137.0.0 – 44.137.255.255 |
| 145.99.0.0/16 | 65,536 | 145.99.0.0 – 145.99.255.255 |
| 145.220.0.0/16 | 65,536 | 145.220.0.0 – 145.220.255.255 |
| 192.42.128.0/22 | 1,024 | 192.42.128.0 – 192.42.131.255 |
| 145.102.4.0/23 | 512 | 145.102.4.0 – 145.102.5.255 |
| 192.42.118.0/23 | 512 | 192.42.118.0 – 192.42.119.255 |
| 185.17.73.0/24 | 256 | 185.17.73.0 – 185.17.73.255 |
| 185.100.59.0/24 | 256 | 185.100.59.0 – 185.100.59.255 |
| 192.12.54.0/24 | 256 | 192.12.54.0 – 192.12.54.255 |
| 192.16.200.0/24 | 256 | 192.16.200.0 – 192.16.200.255 |
| 192.42.117.0/24 | 256 | 192.42.117.0 – 192.42.117.255 |
| 192.150.94.0/24 | 256 | 192.150.94.0 – 192.150.94.255 |
145.192.0.0/12 145.208.0.0/13 44.137.0.0/16 145.99.0.0/16 145.220.0.0/16 192.42.128.0/22 145.102.4.0/23 192.42.118.0/23 185.17.73.0/24 185.100.59.0/24 192.12.54.0/24 192.16.200.0/24 192.42.117.0/24 192.150.94.0/24
IPv6 prefixes
3 prefixes- 2a04:601::/32
- 2001:67c:6ec::/48
- 2001:67c:12d8::/48
2a04:601::/32 2001:67c:6ec::/48 2001:67c:12d8::/48
Query AS1101 with the API
The ASN lookup returns everything on this page as JSON, including every prefix. ASN lookups need an API key: a free account comes with 1,000 requests a day.
curl "https://api.ipapi.is/?q=AS1101&key=YOUR_API_KEY"Any address in its prefixes resolves to AS1101, with or without a key:
curl "https://api.ipapi.is/?q=145.192.0.1"Other networks of SURF B.V.
6 of 7AS1103 SURF B.V.7,217,408 IPv4 addressesAS1128 SURF B.V.196,608 IPv4 addressesAS1161 SURF B.V.69,632 IPv4 addressesAS1106 SURF B.V.65,792 IPv4 addressesAS1133 SURF B.V.65,536 IPv4 addressesAS1199 SURF B.V.65,536 IPv4 addresses
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