FASTNET S.R.L.
Data as of 2026-08-09
BGP inherited
Cluster stats
| Netblocks | 63 · 58,084 IPv4 addresses |
| IPv6 | 13 prefixes (largest 2a04:17c0::/29) |
| Registered in | Italy (20) · United Kingdom (13) · Russia (7) · United States (6) · Poland (3) · Switzerland (3) |
| Cluster ID | 218110785 |
| Registry | APNIC |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | BGP parent (inherited) |
| Shared handles | clustered on 64 shared RIR contact/maintainer handles |
| Registry names | 17 distinct registrant names across these blocks |
| full provenance (JSON) → · how attribution works · report an issue | |
Footprint over time
7 weekly snapshots · JSON
75
+6 netblocks since 2026-07-05
2026-07-05
peak 75
2026-08-09
IP Ranges (63)
showing 50 of 63 — 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 |
| 185.28.52.0/22 | FASTNET S.R.L. | BGP | ANNOUNCED | ● high |
| 185.28.52.0/23 | 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 |
| 205.147.192.0/24 | FASTNET CORPORATION | ARIN | ASSIGNMENT | ● high |
| 205.147.204.0/28 | FASTNET Corporation | ARIN | ASSIGNMENT | ● high |
| 205.147.210.0/24 | FASTNET CORPORATION | ARIN | ASSIGNMENT | ● high |
| 205.147.212.0/24 | FASTNET CORPORATION | ARIN | ASSIGNMENT | ● high |
| 209.92.32.0/24 | FASTNET Corporation | ARIN | ASSIGNMENT | ● high |
| 209.92.192.0/27 | FASTNET Corporation | ARIN | ASSIGNMENT | ● 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::/33 | FASTNET S.R.L. | BGP | ANNOUNCED | ● high |
| 2a02:2888::/32 | 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 |
| 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 |
| 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 |
| 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 |
| 194.209.133.192/27 | FASTNET-NET | RIPE | ASSIGNED PA | ● low |
| 212.243.58.240/29 | FASTNET-NET | RIPE | ASSIGNED PA | ● low |
| 217.58.27.24/29 | FASTNET-SRL | RIPE | ASSIGNED PA | ● low |
IPv6 ranges (13)
Network trust
what's this?
RPKI hygiene: B
how networks compare →
80.0%
of checked blocks have valid RPKI ROA coverage
(60 of 75)
Possible discrepancies (15)
These blocks are registered to FASTNET S.R.L. but cryptographically authorized for a different, unrelated network (5 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. |
| 205.147.192.0/24 /24 | authorized for AS16509 — Amazon.com, Inc. |
| 205.147.212.0/24 /24 | authorized for AS16509 — Amazon.com, Inc. |
| 205.147.210.0/24 /24 | authorized for AS16509 — Amazon.com, Inc. |
NIC Handles
AANO1-ARIN
AEA8-ARIN
AF587-AP
AMAZO-4
ANO24-ARIN
APNIC-HM
ARMP-ARIN
AS12519
AS12519
AS140380
AS34687
AS43404
+52 more