AS1103

Name: AS1103 — SURF B.V.
Creator: ipdex

SURF B.V. Education registered in Netherlands

99IPv4 prefixes

3IPv6 prefixes

86%RPKI-valid

#1,267AS Rank

#30Rank in Netherlands

1993-09-01Allocated

SURF B.V. (AS1103) — Education, registered in Netherlands. announces 99 IPv4 prefixes + 3 IPv6 prefixes. Rank in Netherlands: #30. Allocated: 1993-09-01.

IPv4 99IPv6 3

Announced prefixes · 102

v4 145.5.0.0/16 valid
v4 145.51.0.0/16 valid
v4 145.52.0.0/16 valid
v4 145.74.0.0/15 valid
v4 145.76.0.0/16 valid
v4 145.81.0.0/16 valid
v4 145.85.0.0/16 valid
v4 145.88.0.0/15 valid
v4 145.9.0.0/16 valid
v4 145.90.0.0/16 valid
v4 145.91.0.0/16 valid
v4 145.92.0.0/15 valid
v4 145.95.0.0/16 valid
v4 145.96.0.0/16 valid
v4 145.97.0.0/20 valid
v4 145.97.128.0/18 valid
v4 145.97.16.0/22 valid
v4 145.97.192.0/18 valid
v4 145.97.20.0/22 valid
v4 145.97.24.0/21 valid
v4 145.97.48.0/20 valid
v4 145.97.64.0/18 valid
v4 145.98.0.0/16 valid
v4 156.83.0.0/16 valid
v4 192.104.140.0/24 valid
v4 192.16.188.0/23 unknown
v4 192.31.231.0/24 valid
v4 192.33.36.0/24 unknown
v4 192.42.113.0/24 unknown
v4 192.42.114.0/23 unknown
v4 192.42.120.0/22 unknown
v4 192.42.124.0/22 valid
v4 192.43.212.0/24 valid
v4 192.87.0.0/16 valid
v4 193.176.235.0/24 valid
v4 193.177.176.0/22 valid
v4 194.104.124.0/23 valid
v4 194.104.240.0/20 valid
v4 194.13.112.0/21 unknown
v4 194.13.16.0/20 valid
v4 194.171.0.0/16 valid
v4 194.26.12.0/22 valid
v4 194.26.8.0/22 valid
v4 194.53.88.0/24 unknown
v4 194.53.89.0/24 unknown
v4 194.53.92.0/24 valid
v4 194.53.94.0/24 unknown
v4 194.53.95.0/24 unknown
v4 195.169.0.0/16 valid
v6 2001:610::/29 valid

RPKI: rpki.cloudflare.com · 2026-06-20

— Routing status unavailable

Prefix history

Announced prefixes Source: ipdex daily snapshot · sparse rows, value holds until the next change (steps)

Data table

Day	Announced prefixes
2026-06-12	102
2026-06-13	102
2026-06-14	102

Internet Exchanges · 3

AMS-IX Amsterdam 300 Gbps
Frys-IX Fryslân 200 Gbps
NL-ix Amsterdam, Rotterdam, Brussels, Luxembourg, Frankfurt, Düsseldorf, Berlin, Dublin, London, Copenhagen, Paris, Marseille 200 Gbps

Facilities · 6

6 Facilities · 1 Countries

Digital Realty Amsterdam AMS17 Amsterdam
Digital Realty Amsterdam AMS3, AMS5-8, AMS10 Amsterdam
Digital Realty Amsterdam AMS9 Amsterdam
Equinix AM3 - Amsterdam, Science Park Amsterdam
Equinix AM7 - Amsterdam, Kuiperberweg Amsterdam
NIKHEF Amsterdam Amsterdam

Embed this on your site

Free badges and live charts — they update as the index does. No key, link back to ipdex.

Badge

Markdown

[![AS1103 on ipdex](https://ipdex.io/badge/asn/1103.svg)](https://ipdex.io/asn/AS1103/)

HTML

<a href="https://ipdex.io/asn/AS1103/"><img src="https://ipdex.io/badge/asn/1103.svg" alt="AS1103 on ipdex"></a>

Live chart (iframe)

<iframe src="https://ipdex.io/embed/asn/1103" width="680" height="260" frameborder="0" scrolling="no" title="ipdex chart" style="border:0;max-width:100%"></iframe>

oEmbed-enabled: paste the page URL into platforms that support oEmbed and the chart embeds automatically.

AS1103

Announced prefixes · 102

Prefix history

Internet Exchanges · 3

Facilities · 6

AS topology · Customer cone 27

Providers · 5

Peers · 1,051

Customers · 24

Badge

Live chart (iframe)