Net-Surf.net Ltd.

Data as of 2026-09-13
BGP inherited
Complete entity footprint
2 linked clusters · 1,889 netblocks · 1,033,290 IPv4 addresses · 104 IPv6 prefixes
This organisation's clusters combined by evidence — shared operating domain net-surf.net — not name similarity, so genuinely different organisations that share a name are excluded.
View the full entity page →
This organisation
Netblocks219 · 46,918 IPv4 addresses
IPv6 3 prefixes (largest 2a03:d240::/32)
Registered in Bulgaria (203) · United States (15) · Netherlands (8) · Finland (4) · Germany (1) · Philippines (1)
Record ID240785669
RegistryAPNIC
Customerssee who runs inside this network →
Evidence & provenance ?
Attribution BGP parent (inherited)
Shared handles clustered on 37 shared RIR contact/maintainer handles
Registry names 13 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works · report an issue

IP Ranges (219)

⬇ export CSV
CIDR Org name Registry Status Confidence
45.90.90.0/24 Net-Surf.net Ltd. BGP ANNOUNCED ● high
45.90.90.0/23 Net-Surf.net Ltd. BGP ANNOUNCED ● high
45.90.91.0/24 Net-Surf.net Ltd. BGP ANNOUNCED ● high
46.229.192.0/24 Net-Surf.net Ltd. BGP ANNOUNCED ● high
46.229.192.0/23 Net-Surf.net Ltd. BGP ANNOUNCED ● high
46.229.192.0/20 Net-Surf.net Ltd. BGP ANNOUNCED ● high
46.229.193.0/24 Net-Surf.net Ltd. BGP ANNOUNCED ● high
46.229.194.0/24 Net-Surf.net Ltd. BGP ANNOUNCED ● high
46.229.195.0/24 Net-Surf.net Ltd. BGP ANNOUNCED ● high
46.229.196.0/24 Net-Surf.net Ltd. BGP ANNOUNCED ● high
46.229.196.0/22 Net-Surf.net Ltd. BGP ANNOUNCED ● high
46.229.197.0/24 Net-Surf.net Ltd. BGP ANNOUNCED ● high
46.229.198.0/24 Net-Surf.net Ltd. BGP ANNOUNCED ● high
46.229.199.0/24 Net-Surf.net Ltd. BGP ANNOUNCED ● high
46.229.200.0/22 Net-Surf.net Ltd. BGP ANNOUNCED ● high
46.229.200.0/24 Net-Surf.net Ltd. BGP ANNOUNCED ● high
46.229.201.0/24 Net-Surf.net Ltd. BGP ANNOUNCED ● high
46.229.202.0/24 Net-Surf.net Ltd. BGP ANNOUNCED ● high
46.229.203.0/24 Net-Surf.net Ltd. BGP ANNOUNCED ● high
46.229.204.0/24 Net-Surf.net Ltd. BGP ANNOUNCED ● high
46.229.205.0/24 Net-Surf.net Ltd. BGP ANNOUNCED ● high
46.229.206.0/24 Net-Surf.net Ltd. BGP ANNOUNCED ● high
46.229.207.0/24 Net-Surf.net Ltd. BGP ANNOUNCED ● high
74.82.128.0/24 SurfNet Communications Inc. ARIN ASSIGNMENT ● high
78.90.248.0/24 Net-Surf.net Ltd. BGP ANNOUNCED ● high
78.90.248.0/21 Net-Surf.net Ltd. BGP ANNOUNCED ● high
78.90.249.0/24 Net-Surf.net Ltd. BGP ANNOUNCED ● high
78.90.250.0/24 Net-Surf.net Ltd. BGP ANNOUNCED ● high
78.90.251.0/24 Net-Surf.net Ltd. BGP ANNOUNCED ● high
78.90.252.0/24 Net-Surf.net Ltd. BGP ANNOUNCED ● high
78.90.253.0/24 Net-Surf.net Ltd. BGP ANNOUNCED ● high
78.90.254.0/24 Net-Surf.net Ltd. BGP ANNOUNCED ● high
78.90.255.0/24 Net-Surf.net Ltd. BGP ANNOUNCED ● high
78.128.36.0/24 Net-Surf.net Ltd. BGP ANNOUNCED ● high
78.128.36.0/23 Net-Surf.net Ltd. BGP ANNOUNCED ● high
78.128.37.0/24 Net-Surf.net Ltd. BGP ANNOUNCED ● high
78.128.40.0/24 Net-Surf.net Ltd. BGP ANNOUNCED ● high
79.124.9.0/24 Net-Surf.net Ltd. BGP ANNOUNCED ● high
80.72.88.0/24 Net-Surf.net Ltd. BGP ANNOUNCED ● high
80.72.88.0/22 Net-Surf.net Ltd. BGP ANNOUNCED ● high
80.72.89.0/24 Net-Surf.net Ltd. BGP ANNOUNCED ● high
80.72.90.0/24 Net-Surf.net Ltd. BGP ANNOUNCED ● high
80.72.91.0/24 Net-Surf.net Ltd. BGP ANNOUNCED ● high
84.21.174.0/23 Net-Surf.net Ltd. BGP ANNOUNCED ● high
84.21.174.0/24 Net-Surf.net Ltd. BGP ANNOUNCED ● high
84.21.175.0/24 Net-Surf.net Ltd. BGP ANNOUNCED ● high
87.120.118.0/23 Net-Surf.net Ltd. BGP ANNOUNCED ● high
87.120.118.0/24 Net-Surf.net Ltd. BGP ANNOUNCED ● high
87.120.119.0/24 Net-Surf.net Ltd. BGP ANNOUNCED ● high
87.120.122.0/23 Net-Surf.net Ltd. BGP ANNOUNCED ● high
87.120.122.0/24 Net-Surf.net Ltd. BGP ANNOUNCED ● high
87.120.123.0/24 Net-Surf.net Ltd. BGP ANNOUNCED ● high
87.120.124.0/24 Net-Surf.net Ltd. BGP ANNOUNCED ● high
87.121.70.0/23 Net-Surf.net Ltd. BGP ANNOUNCED ● high
87.121.70.0/24 Net-Surf.net Ltd. BGP ANNOUNCED ● high
87.121.71.0/24 Net-Surf.net Ltd. BGP ANNOUNCED ● high
92.249.50.0/24 Net-Surf.net Ltd. BGP ANNOUNCED ● high
93.123.26.0/23 Net-Surf.net Ltd. BGP ANNOUNCED ● high
93.123.26.0/24 Net-Surf.net Ltd. BGP ANNOUNCED ● high
93.123.27.0/24 Net-Surf.net Ltd. BGP ANNOUNCED ● high
93.152.228.0/23 Net-Surf.net Ltd. BGP ANNOUNCED ● high
93.152.228.0/24 Net-Surf.net Ltd. BGP ANNOUNCED ● high
93.152.229.0/24 Net-Surf.net Ltd. BGP ANNOUNCED ● high
93.152.248.0/22 Net-Surf.net Ltd. BGP ANNOUNCED ● high
93.152.248.0/24 Net-Surf.net Ltd. BGP ANNOUNCED ● high
93.152.249.0/24 Net-Surf.net Ltd. BGP ANNOUNCED ● high
93.152.250.0/24 Net-Surf.net Ltd. BGP ANNOUNCED ● high
93.152.251.0/24 Net-Surf.net Ltd. BGP ANNOUNCED ● high
93.152.252.0/23 Net-Surf.net Ltd. BGP ANNOUNCED ● high
93.152.252.0/24 Net-Surf.net Ltd. BGP ANNOUNCED ● high
93.152.253.0/24 Net-Surf.net Ltd. BGP ANNOUNCED ● high
93.152.254.0/23 Net-Surf.net Ltd. BGP ANNOUNCED ● high
93.152.254.0/24 Net-Surf.net Ltd. BGP ANNOUNCED ● high
93.152.255.0/24 Net-Surf.net Ltd. BGP ANNOUNCED ● high
94.156.162.0/23 Net-Surf.net Ltd. BGP ANNOUNCED ● high
94.156.162.0/24 Net-Surf.net Ltd. BGP ANNOUNCED ● high
94.156.163.0/24 Net-Surf.net Ltd. BGP ANNOUNCED ● high
95.111.120.0/21 Net-Surf.net Ltd. BGP ANNOUNCED ● high
95.111.120.0/24 Net-Surf.net Ltd. BGP ANNOUNCED ● high
95.111.121.0/24 Net-Surf.net Ltd. BGP ANNOUNCED ● high
95.111.122.0/24 Net-Surf.net Ltd. BGP ANNOUNCED ● high
95.111.123.0/24 Net-Surf.net Ltd. BGP ANNOUNCED ● high
95.111.124.0/24 Net-Surf.net Ltd. BGP ANNOUNCED ● high
95.111.125.0/24 Net-Surf.net Ltd. BGP ANNOUNCED ● high
95.111.126.0/24 Net-Surf.net Ltd. BGP ANNOUNCED ● high
95.111.127.0/24 Net-Surf.net Ltd. BGP ANNOUNCED ● high
95.214.27.0/24 Net-Surf.net Ltd. BGP ANNOUNCED ● high
161.129.224.0/24 Surfnet Communications, Inc. BGP ANNOUNCED ● high
161.129.224.0/21 Surfnet Communications, Inc. ARIN DIRECT ALLOCATION ● high
161.129.229.0/24 Surfnet Communications, Inc. BGP ANNOUNCED ● high
161.129.230.0/24 Surfnet Communications, Inc. BGP ANNOUNCED ● high
161.129.231.0/24 Surfnet Communications, Inc. BGP ANNOUNCED ● high
162.251.184.0/21 Surfnet Communications, Inc. ARIN DIRECT ALLOCATION ● high
162.251.184.0/24 Surfnet Communications, Inc. BGP ANNOUNCED ● high
162.251.185.0/24 Surfnet Communications, Inc. BGP ANNOUNCED ● high
162.251.186.0/24 Surfnet Communications, Inc. BGP ANNOUNCED ● high
162.251.187.0/24 Surfnet Communications, Inc. BGP ANNOUNCED ● high
162.251.188.0/24 Surfnet Communications, Inc. BGP ANNOUNCED ● high
162.251.189.0/24 Surfnet Communications, Inc. BGP ANNOUNCED ● high
162.251.190.0/24 Surfnet Communications, Inc. BGP ANNOUNCED ● high
162.251.191.0/24 Surfnet Communications, Inc. BGP ANNOUNCED ● high
178.254.192.0/24 Net-Surf.net Ltd. BGP ANNOUNCED ● high
178.254.193.0/24 Net-Surf.net Ltd. BGP ANNOUNCED ● high
178.254.194.0/24 Net-Surf.net Ltd. BGP ANNOUNCED ● high
178.254.194.0/23 Net-Surf.net Ltd. BGP ANNOUNCED ● high
178.254.195.0/24 Net-Surf.net Ltd. BGP ANNOUNCED ● high
178.254.196.0/24 Net-Surf.net Ltd. BGP ANNOUNCED ● high
178.254.196.0/23 Net-Surf.net Ltd. BGP ANNOUNCED ● high
178.254.197.0/24 Net-Surf.net Ltd. BGP ANNOUNCED ● high
178.254.198.0/24 Net-Surf.net Ltd. BGP ANNOUNCED ● high
178.254.198.0/23 Net-Surf.net Ltd. BGP ANNOUNCED ● high
178.254.199.0/24 Net-Surf.net Ltd. BGP ANNOUNCED ● high
178.254.200.0/24 Net-Surf.net Ltd. BGP ANNOUNCED ● high
178.254.200.0/23 Net-Surf.net Ltd. BGP ANNOUNCED ● high
178.254.201.0/24 Net-Surf.net Ltd. BGP ANNOUNCED ● high
178.254.202.0/24 Net-Surf.net Ltd. BGP ANNOUNCED ● high
178.254.203.0/24 Net-Surf.net Ltd. BGP ANNOUNCED ● high
178.254.204.0/22 Net-Surf.net Ltd. BGP ANNOUNCED ● high
178.254.204.0/24 Net-Surf.net Ltd. BGP ANNOUNCED ● high
178.254.205.0/24 Net-Surf.net Ltd. BGP ANNOUNCED ● high
178.254.206.0/24 Net-Surf.net Ltd. BGP ANNOUNCED ● high
178.254.207.0/24 Net-Surf.net Ltd. BGP ANNOUNCED ● high
178.254.208.0/22 Net-Surf.net Ltd. BGP ANNOUNCED ● high
178.254.208.0/24 Net-Surf.net Ltd. BGP ANNOUNCED ● high
178.254.209.0/24 Net-Surf.net Ltd. BGP ANNOUNCED ● high
178.254.210.0/24 Net-Surf.net Ltd. BGP ANNOUNCED ● high
178.254.211.0/24 Net-Surf.net Ltd. BGP ANNOUNCED ● high
178.254.212.0/23 Net-Surf.net Ltd. BGP ANNOUNCED ● high
178.254.212.0/24 Net-Surf.net Ltd. BGP ANNOUNCED ● high
178.254.213.0/24 Net-Surf.net Ltd. BGP ANNOUNCED ● high
178.254.214.0/24 Net-Surf.net Ltd. BGP ANNOUNCED ● high
178.254.215.0/24 Net-Surf.net Ltd. BGP ANNOUNCED ● high
178.254.216.0/24 Net-Surf.net Ltd. BGP ANNOUNCED ● high
178.254.216.0/21 Net-Surf.net Ltd. BGP ANNOUNCED ● high
178.254.217.0/24 Net-Surf.net Ltd. BGP ANNOUNCED ● high
178.254.218.0/24 Net-Surf.net Ltd. BGP ANNOUNCED ● high
178.254.219.0/24 Net-Surf.net Ltd. BGP ANNOUNCED ● high
178.254.220.0/24 Net-Surf.net Ltd. BGP ANNOUNCED ● high
178.254.221.0/24 Net-Surf.net Ltd. BGP ANNOUNCED ● high
178.254.222.0/24 Net-Surf.net Ltd. BGP ANNOUNCED ● high
178.254.223.0/24 Net-Surf.net Ltd. BGP ANNOUNCED ● high
178.254.224.0/23 Net-Surf.net Ltd. BGP ANNOUNCED ● high
178.254.224.0/24 Net-Surf.net Ltd. BGP ANNOUNCED ● high
178.254.225.0/24 Net-Surf.net Ltd. BGP ANNOUNCED ● high
178.254.226.0/24 Net-Surf.net Ltd. BGP ANNOUNCED ● high
178.254.227.0/24 Net-Surf.net Ltd. BGP ANNOUNCED ● high
178.254.228.0/24 Net-Surf.net Ltd. BGP ANNOUNCED ● high
178.254.228.0/22 Net-Surf.net Ltd. BGP ANNOUNCED ● high
178.254.229.0/24 Net-Surf.net Ltd. BGP ANNOUNCED ● high
178.254.230.0/24 Net-Surf.net Ltd. BGP ANNOUNCED ● high
178.254.231.0/24 Net-Surf.net Ltd. BGP ANNOUNCED ● high
178.254.232.0/24 Net-Surf.net Ltd. BGP ANNOUNCED ● high
178.254.232.0/21 Net-Surf.net Ltd. BGP ANNOUNCED ● high
178.254.233.0/24 Net-Surf.net Ltd. BGP ANNOUNCED ● high
178.254.234.0/24 Net-Surf.net Ltd. BGP ANNOUNCED ● high
178.254.235.0/24 Net-Surf.net Ltd. BGP ANNOUNCED ● high
178.254.236.0/24 Net-Surf.net Ltd. BGP ANNOUNCED ● high
178.254.237.0/24 Net-Surf.net Ltd. BGP ANNOUNCED ● high
178.254.238.0/24 Net-Surf.net Ltd. BGP ANNOUNCED ● high
178.254.239.0/24 Net-Surf.net Ltd. BGP ANNOUNCED ● high
178.254.240.0/20 Net-Surf.net Ltd. BGP ANNOUNCED ● high
178.254.240.0/24 Net-Surf.net Ltd. BGP ANNOUNCED ● high
178.254.241.0/24 Net-Surf.net Ltd. BGP ANNOUNCED ● high
178.254.242.0/24 Net-Surf.net Ltd. BGP ANNOUNCED ● high
178.254.243.0/24 Net-Surf.net Ltd. BGP ANNOUNCED ● high
178.254.244.0/24 Net-Surf.net Ltd. BGP ANNOUNCED ● high
178.254.245.0/24 Net-Surf.net Ltd. BGP ANNOUNCED ● high
178.254.246.0/24 Net-Surf.net Ltd. BGP ANNOUNCED ● high
178.254.247.0/24 Net-Surf.net Ltd. BGP ANNOUNCED ● high
178.254.248.0/24 Net-Surf.net Ltd. BGP ANNOUNCED ● high
178.254.249.0/24 Net-Surf.net Ltd. BGP ANNOUNCED ● high
178.254.250.0/24 Net-Surf.net Ltd. BGP ANNOUNCED ● high
178.254.251.0/24 Net-Surf.net Ltd. BGP ANNOUNCED ● high
178.254.252.0/24 Net-Surf.net Ltd. BGP ANNOUNCED ● high
178.254.253.0/24 Net-Surf.net Ltd. BGP ANNOUNCED ● high
178.254.254.0/24 Net-Surf.net Ltd. BGP ANNOUNCED ● high
178.254.255.0/24 Net-Surf.net Ltd. BGP ANNOUNCED ● high
185.1.30.22/32 Net-Surf.net PEERINGDB ASSIGNED ● high
185.1.226.29/32 Net-Surf.net PEERINGDB ASSIGNED ● high
185.1.226.71/32 Net-Surf.net PEERINGDB ASSIGNED ● high
185.95.248.0/24 Net-Surf.net Ltd. BGP ANNOUNCED ● high
185.95.249.0/24 Net-Surf.net Ltd. BGP ANNOUNCED ● high
185.95.250.0/24 Net-Surf.net Ltd. BGP ANNOUNCED ● high
185.95.251.0/24 Net-Surf.net Ltd. BGP ANNOUNCED ● high
192.65.96.0/24 SURFnet BV RIPE LEGACY ● high
193.42.34.0/24 Net-Surf.net Ltd. BGP ANNOUNCED ● high
193.42.34.0/23 Net-Surf.net Ltd. BGP ANNOUNCED ● high
193.42.35.0/24 Net-Surf.net Ltd. BGP ANNOUNCED ● high
193.169.198.215/32 Net-Surf.net PEERINGDB ASSIGNED ● high
194.55.186.0/24 Net-Surf.net Ltd. BGP ANNOUNCED ● high
194.169.175.0/24 Net-Surf.net Ltd. BGP ANNOUNCED ● high
195.230.28.0/23 Net-Surf.net Ltd. BGP ANNOUNCED ● high
195.230.28.0/24 Net-Surf.net Ltd. BGP ANNOUNCED ● high
195.230.28.0/22 Net-Surf.net Ltd. BGP ANNOUNCED ● high
195.230.29.0/24 Net-Surf.net Ltd. BGP ANNOUNCED ● high
195.230.30.0/24 Net-Surf.net Ltd. BGP ANNOUNCED ● high
195.230.31.0/24 Net-Surf.net Ltd. BGP ANNOUNCED ● high
78.128.36.0 – 78.128.40.255 Net-Surf.net Ltd. RIPE ASSIGNED PA ● low
93.91.176.0/24 SurfNet-NET RIPE ASSIGNED PA ● low
93.91.178.0 – 93.91.178.99 SURFNET-NET RIPE ASSIGNED PA ● low
93.91.178.106 – 93.91.178.255 SURFNET-NET RIPE ASSIGNED PA ● low
93.91.180.0 – 93.91.184.255 SurfNet-NET RIPE ASSIGNED PA ● low
93.152.248.0/21 Net-Surf.net Ltd. RIPE ALLOCATED PA ● low
94.156.162.0 – 94.156.163.254 Net-Surf.net Ltd. RIPE ASSIGNED PA ● low
145.0.3.0/24 SURFNET-NET RIPE LEGACY ● low
145.0.4.0/24 SURFNET-NET RIPE LEGACY ● low
145.0.5.0/24 SURFNET-NET RIPE LEGACY ● low
145.0.8.0/24 SURFNET-NET RIPE LEGACY ● low
145.0.10.0/24 SURFNET-NET RIPE LEGACY ● low
145.0.11.0/24 SURFNET-NET RIPE LEGACY ● low
178.250.164.208/29 SURFNET RIPE ASSIGNED PA ● low
178.254.192.0/18 Net-Surf.net Ltd. RIPE ALLOCATED PA ● low
185.95.248.0/22 Net-Surf.net Ltd. RIPE ALLOCATED PA ● low
192.42.116.0 – 192.42.122.255 SURFnet RIPE LEGACY ● low
194.169.175.0 – 194.169.175.254 Net-Surf.net Ltd. RIPE ASSIGNED PA ● low
202.124.134.0/26 SURFNET APNIC ASSIGNED NON-PORTABLE ● low
2001:610:131::/48 SURFnet RIPE ALLOCATED-BY-LIR ● low
2001:610:160::/48 SURFnet RIPE ALLOCATED-BY-LIR ● low
2a03:d240::/32 Net-Surf.net Ltd. RIPE ALLOCATED-BY-RIR ● low

IPv6 ranges (3)

CIDR
2a03:d240::/32
2001:610:131::/48
2001:610:160::/48

Footprint over time

12 weekly snapshots · JSON
235 +3 netblocks since 2026-07-05
2026-07-05 peak 235 2026-09-13

Domains this organisation publishes

what's this?
net-surf.net

Other domains hosted in this network

what's this?
ntp.org

Network trust

what's this?
RPKI hygiene: B how networks compare →
88.9% of checked blocks have valid RPKI ROA coverage (209 of 235)
Possible discrepancies (1)

These blocks are registered to Net-Surf.net Ltd. but cryptographically authorized for a different, unrelated network (1 distinct holder) — often M&A history, multi-homing, or outsourced/managed hosting, occasionally worth a closer look.

74.82.128.0/24 /24 authorized for AS14589 — Wave Broadband

NIC Handles

ABN3-ARIN ABN3-ARIN AR14219-RIPE AS11994 AS20911 AS20911 AS27348 C02659968 DUMY-RIPE DUMY-RIPE FASUL-ARIN FASUL-ARIN +25 more