FASTNET S.R.L.
Cluster stats
Netblocks69
All fragments 646 blocks across 48 clusters
Cluster ID191597676
RegistryAPNIC
Customersfind customers using this network →
Evidence & provenance ?
Attribution unresolved
Shared handles clustered on 41 shared RIR contact/maintainer handles
Registry names 15 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works

IP Ranges (69)

showing 50 of 69 — see all — ⬇ export CSV
CIDR Org name Registry Status Confidence
5.57.80.120/32 Fastnet PEERINGDB ASSIGNED ● high
5.57.80.121/32 Fastnet PEERINGDB ASSIGNED ● high
77.87.200.0/21 Fastnet LLC BGP ANNOUNCED ● high
81.31.64.0/20 FastNet International Ltd BGP ANNOUNCED ● high
82.148.32.0/19 FastNet International Ltd BGP ANNOUNCED ● high
87.252.32.0/19 FastNet International Ltd BGP ANNOUNCED ● high
89.23.32.0/19 Fastnet LLC BGP ANNOUNCED ● high
89.248.176.0/20 Fastnet LLC BGP ANNOUNCED ● high
91.217.137.0/24 Fastnet LLC BGP ANNOUNCED ● high
103.149.104.0/24 fastnet BGP ANNOUNCED ● high
185.28.52.0/23 FASTNET S.R.L. BGP ANNOUNCED ● high
185.28.52.0/22 FASTNET S.R.L. BGP ANNOUNCED ● high
185.28.54.0/23 FASTNET S.R.L. BGP ANNOUNCED ● high
195.66.227.2/32 Fastnet PEERINGDB ASSIGNED ● high
195.66.239.2/32 Fastnet PEERINGDB ASSIGNED ● high
195.96.192.0/20 FASTNET S.R.L. BGP ANNOUNCED ● high
195.96.192.0/19 FASTNET S.R.L. BGP ANNOUNCED ● high
195.96.208.0/20 FASTNET S.R.L. BGP ANNOUNCED ● high
212.42.160.0/19 FastNet International Ltd BGP ANNOUNCED ● high
2001:67c:13e4::/48 Fastnet LLC BGP ANNOUNCED ● high
2001:7f8:4::30e7:1/128 Fastnet PEERINGDB ASSIGNED ● high
2001:7f8:4:1::30e7:1/128 Fastnet PEERINGDB ASSIGNED ● high
2001:7f8:17::30e7:1/128 Fastnet PEERINGDB ASSIGNED ● high
2001:7f8:17::30e7:2/128 Fastnet PEERINGDB ASSIGNED ● high
2a02:13a0::/32 FastNet International Ltd BGP ANNOUNCED ● high
2a02:2888::/32 FASTNET S.R.L. BGP ANNOUNCED ● high
2a02:2888::/33 FASTNET S.R.L. BGP ANNOUNCED ● high
2a02:2888:8000::/33 FASTNET S.R.L. BGP ANNOUNCED ● high
2a04:17c0::/29 Fastnet LLC BGP ANNOUNCED ● high
77.87.200.0/21 Fastnet LLC RIPE ASSIGNED PI ● medium
89.23.32.0/19 Fastnet LLC RIPE ASSIGNED PI ● medium
89.248.176.0/20 Fastnet LLC RIPE ALLOCATED PA ● medium
2a02:2888::/32 FASTNET S.R.L. RIPE ALLOCATED-BY-RIR ● medium
2a04:17c0::/29 Fastnet LLC RIPE ALLOCATED-BY-RIR ● medium
31.179.216.0/23 FASTNET RIPE ASSIGNED PA ● low
46.229.83.56/29 FASTNET-NET RIPE ASSIGNED PA ● low
62.12.81.0/24 FASTNET RIPE ASSIGNED PA ● low
78.154.175.0/24 FastNET RIPE ASSIGNED PA ● low
80.17.111.112/29 FASTNET RIPE ASSIGNED PA ● low
80.71.106.0/24 FASTNET RIPE ASSIGNED PA ● low
81.31.64.0/20 FastNet International Ltd RIPE ALLOCATED PA ● low
82.148.32.0/19 FastNet International Ltd RIPE ALLOCATED PA ● low
82.177.49.0/24 FASTNET-NET RIPE ASSIGNED PA ● low
82.177.123.0/24 FASTNET-NET RIPE ASSIGNED PA ● low
83.235.53.96/28 FASTNET RIPE ASSIGNED PA ● low
87.252.32.0/19 FastNet International Ltd RIPE ALLOCATED PA ● low
103.47.216.0/22 FASTNET APNIC ASSIGNED PORTABLE ● low
103.149.104.0/23 fastnet APNIC ALLOCATED PORTABLE ● low
185.10.100.0/22 FastNet International Ltd RIPE ALLOCATED PA ● low
185.28.52.0/22 FASTNET S.R.L. RIPE ALLOCATED PA ● low

Network trust

what's this?
RPKI hygiene: C how networks compare →
79.7% of checked blocks have valid RPKI ROA coverage (55 of 69)
Possible discrepancies (12)

These blocks are registered to FASTNET S.R.L. but cryptographically authorized for a different, unrelated network (4 distinct holders) — often M&A history, multi-homing, or outsourced/managed hosting, occasionally worth a closer look.

2a0f:9a00::/48 /48 authorized for AS136897 — Enjoyvc Cloud Group Limited.
195.96.192.0/19 /19 authorized for AS1299 — Arelion Sweden AB
195.96.192.0/19 /19 authorized for AS1299 — Arelion Sweden AB
195.96.192.0/20 /20 authorized for AS1299 — Arelion Sweden AB
195.96.208.0/20 /20 authorized for AS1299 — Arelion Sweden AB
185.28.52.0/22 /22 authorized for AS1299 — Arelion Sweden AB
185.28.52.0/22 /22 authorized for AS1299 — Arelion Sweden AB
185.28.52.0/23 /23 authorized for AS1299 — Arelion Sweden AB
185.28.54.0/23 /23 authorized for AS1299 — Arelion Sweden AB
78.154.175.0/24 /24 authorized for AS35320 — Eurotranstelecom Ltd
82.177.49.0/24 /24 authorized for AS20804 — Exatel S.A.
82.177.123.0/24 /24 authorized for AS20804 — Exatel S.A.

NIC Handles

AF587-AP APNIC-HM AS12519 AS12519 AS140380 AS34687 AS43404 AS51410 AS8265 CH-UNISOURCE-MNT DUMY-RIPE DUMY-RIPE +29 more