SURFnet test network
SURFnet test network uses 83,968 IPv4 addresses in 12 ranges, and 1 IPv6 range, by the registry records IP Company reads.
About the company
Who it is, where it is registered and who owns it.
- Description
- National research and education network
- Founded
- 1986
- Headquarters
- Utrecht
- Parent
- SURF (Samenwerkende Universitaire Rekenfaciliteiten)
Who routes its space
The networks announcing its IPv4, by the addresses each announces.
- AS1103 SURF B.V.83,968 · 100.00%
Where its space is
Its IPv4 that IP Geolocation places, by country. A /24 counts for the company using most of it.
- The Netherlands83,968 · 100.00%
Networks it operates
The autonomous systems registered under its domain, by the IPv4 each announces anywhere.
| ASN | NAME | TYPE | REGISTERED | IPV4 |
|---|---|---|---|---|
| AS1888 | Stichting Centrum voor Wiskunde en Informatica | Education | The Netherlands | 1,280 |
What the databases see
Addresses each address-keyed database holds in its IPv4, as a share of it, with the largest providers. A /24 counts for the company using most of it; counts overlap.
- VPN IP170.02%
- None here
- None here
- None here
- None here
- None here
- None here
- Hosting IP2560.30%
- None here
- None here
- None here
- None here
- SSH IP250.03%
- 0.00%
- 0.02%
- Web IP1620.19%
- None here
- 0.03%
Its address ranges
Its largest IPv4 ranges, then its IPv6 ones, as IP Company draws them, a CIDR a row, with the network announcing each.
| RANGE | IPV4 | ORIGIN |
|---|---|---|
| 145.125.0.0/16 | 65,536 | AS1103 |
| 145.101.112.0/20 | 4,096 | AS1103 |
| 194.104.240.0/20 | 4,096 | AS1103 |
| 194.13.16.0/20 | 4,096 | AS1103 |
| 145.100.184.0/21 | 2,048 | AS1103 |
| 145.100.176.0/22 | 1,024 | AS1103 |
| 192.87.108.0/22 | 1,024 | AS1103 |
| 192.87.116.0/23 | 512 | AS1103 |
| 192.87.118.0/24 | 256 | AS1103 |
| 192.87.102.0/23 | 512 | AS1103 |
| 192.87.106.0/24 | 256 | AS1103 |
| 192.87.19.0/24 | 256 | AS1103 |
| 192.87.46.0/24 | 256 | AS1103 |
| 2001:67c:3d0::/48 |
Names it registers under
The holder names its registry records give, by the IPv4 under each.
- SURFnet test network65,536 · 78.05%
- SURFnet IP LAN7,168 · 8.54%
- Hogeschool Zuyd4,096 · 4.88%
- Inspectie van het Onderwijs4,096 · 4.88%
- SURFnet SIPLAN1,280 · 1.52%
- SURFnet IP LAN at SARA768 · 0.91%
- SURFnet LANs768 · 0.91%
- SURFnet office256 · 0.30%
- Zorggroep Noorderbreedte0 · 0.00%
Test the real build first.
An evaluation license puts a full current build in your hands, with no sampling, so you can measure it against your own traffic before anyone talks about terms.