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

327/327RIS visibility

#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 129.125.0.0/16 valid
v4 130.37.0.0/16 valid
v4 131.174.0.0/16 valid
v4 131.211.0.0/16 valid
v4 131.224.0.0/16 valid
v4 132.229.0.0/16 valid
v4 134.221.0.0/16 valid
v4 136.231.0.0/16 valid
v4 137.120.0.0/16 valid
v4 137.224.0.0/16 valid
v4 137.56.0.0/16 valid
v4 139.63.0.0/16 unknown
v4 141.252.0.0/16 valid
v4 143.121.0.0/16 unknown
v4 145.0.0.0/16 valid
v4 145.1.0.0/17 unknown
v4 145.100.0.0/15 valid
v4 145.102.0.0/16 valid
v4 145.103.0.0/16 valid
v4 145.107.0.0/16 valid
v4 145.107.24.0/22 valid
v4 145.108.0.0/16 valid
v4 145.116.128.0/18 valid
v4 145.116.192.0/20 valid
v4 145.116.224.0/19 valid
v4 145.116.64.0/18 valid
v4 145.117.0.0/16 valid
v4 145.118.0.0/16 valid
v4 145.120.0.0/14 valid
v4 145.124.0.0/15 valid
v4 145.126.0.0/16 valid
v4 145.127.0.0/17 valid
v4 145.136.0.0/15 valid
v4 145.137.128.0/18 valid
v4 145.138.0.0/16 valid
v4 145.140.0.0/14 valid
v4 145.144.0.0/12 valid
v4 145.160.0.0/12 valid
v4 145.19.0.0/16 valid
v4 145.2.0.0/15 valid
v4 145.20.0.0/16 valid
v4 145.23.0.0/16 valid
v4 145.24.0.0/16 valid
v4 145.28.0.0/15 valid
v4 145.33.0.0/16 valid
v4 145.37.0.0/16 valid
v4 145.38.0.0/15 valid
v4 145.41.0.0/16 valid
v4 145.44.0.0/16 valid
v4 145.48.0.0/15 valid

RPKI: rpki.cloudflare.com · 2026-06-17

Routing: 100 IPv4 · 3 IPv6 announced · RIS visibility 327/327 RIS peers · RIPEstat · 2026-06-17

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

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AS1103

Announced prefixes · 102

Prefix history

Internet Exchanges · 3

Facilities · 6

AS topology · Customer cone 27

Providers · 5

Peers · 1,051

Customers · 24

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