F5 Networks SARL

Data as of 2026-09-06
BGP inherited
This organisation
Netblocks75 · 57,353 IPv4 addresses
IPv6 9 prefixes (largest 2a05:f440::/29)
Registered in United States (28) · France (26) · Hong Kong (5) · Australia (4) · United Kingdom (4) · Singapore (3)
Also registered under this name 100 netblocks across 6 separate records
Record ID236157784
RegistryBGP
Customerssee who runs inside this network →
Evidence & provenance ?
Attribution BGP parent (inherited)
Shared handles clustered on 16 shared RIR contact/maintainer handles
Registry names 3 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works · report an issue

IP Ranges (75)

⬇ export CSV
CIDR Org name Registry Status Confidence
5.182.212.0/22 F5 Networks SARL BGP ANNOUNCED ● high
23.158.32.0/24 F5 Networks SARL BGP ANNOUNCED ● high
64.22.91.0/24 F5 Networks SARL BGP ANNOUNCED ● high
72.19.3.0/24 F5 Networks SARL BGP ANNOUNCED ● high
84.54.60.0/23 F5 Networks SARL BGP ANNOUNCED ● high
84.54.62.0/24 F5 Networks SARL BGP ANNOUNCED ● high
103.135.56.0/24 F5 Networks SARL BGP ANNOUNCED ● high
103.135.56.0/22 F5 Networks SARL BGP ANNOUNCED ● high
103.135.59.0/24 F5 Networks SARL BGP ANNOUNCED ● high
104.193.15.0/24 F5 Networks SARL BGP ANNOUNCED ● high
107.162.121.0/24 F5 Networks SARL BGP ANNOUNCED ● high
107.162.244.0/22 F5 Networks SARL BGP ANNOUNCED ● high
107.162.254.0/23 F5 Networks SARL BGP ANNOUNCED ● high
130.250.220.0/24 F5 Networks SARL BGP ANNOUNCED ● high
130.250.221.0/24 F5 Networks SARL BGP ANNOUNCED ● high
130.250.222.0/24 F5 Networks SARL BGP ANNOUNCED ● high
130.250.223.0/24 F5 Networks SARL BGP ANNOUNCED ● high
159.60.32.0/19 F5 Networks SARL BGP ANNOUNCED ● high
159.60.64.0/20 F5 Networks SARL BGP ANNOUNCED ● high
159.60.64.0/19 F5 Networks SARL BGP ANNOUNCED ● high
159.60.96.0/19 F5 Networks SARL BGP ANNOUNCED ● high
159.60.128.0/20 F5 Networks SARL BGP ANNOUNCED ● high
159.60.128.0/18 F5 Networks SARL BGP ANNOUNCED ● high
159.60.144.0/20 F5 Networks SARL BGP ANNOUNCED ● high
162.254.125.0/24 F5 Networks SARL BGP ANNOUNCED ● high
165.12.212.0/24 F5 Networks SARL BGP ANNOUNCED ● high
165.12.213.0/24 F5 Networks SARL BGP ANNOUNCED ● high
167.16.248.0/24 F5 Networks SARL BGP ANNOUNCED ● high
185.56.152.0/24 F5 Networks SARL BGP ANNOUNCED ● high
185.56.154.0/24 F5 Networks SARL BGP ANNOUNCED ● high
185.56.155.0/24 F5 Networks SARL BGP ANNOUNCED ● high
185.94.140.0/24 F5 Networks SARL BGP ANNOUNCED ● high
185.94.140.0/23 F5 Networks SARL BGP ANNOUNCED ● high
185.94.141.0/24 F5 Networks SARL BGP ANNOUNCED ● high
185.94.142.0/23 F5 Networks SARL BGP ANNOUNCED ● high
185.142.148.0/24 F5 Networks SARL BGP ANNOUNCED ● high
185.142.149.0/24 F5 Networks SARL BGP ANNOUNCED ● high
185.160.8.0/23 F5 Networks SARL BGP ANNOUNCED ● high
185.160.10.0/23 F5 Networks SARL BGP ANNOUNCED ● high
185.160.11.0/24 F5 Networks SARL BGP ANNOUNCED ● high
192.243.85.0/24 F5 Networks SARL BGP ANNOUNCED ● high
192.243.95.0/24 F5 Networks SARL BGP ANNOUNCED ● high
193.16.213.0/24 F5 Networks SARL BGP ANNOUNCED ● high
193.16.221.0/24 F5 Networks SARL BGP ANNOUNCED ● high
193.16.236.0/24 F5 Networks SARL BGP ANNOUNCED ● high
193.16.239.0/24 F5 Networks SARL BGP ANNOUNCED ● high
193.136.250.225/32 F5 Networks SARL RIPE ASSIGNED PA ● high
198.160.14.0/24 F5 Networks SARL BGP ANNOUNCED ● high
199.182.205.0/24 F5 Networks SARL BGP ANNOUNCED ● high
203.24.69.0/24 F5 Networks SARL BGP ANNOUNCED ● high
203.27.220.0/24 F5 Networks SARL BGP ANNOUNCED ● high
203.80.88.0/24 F5 Networks SARL BGP ANNOUNCED ● high
203.185.1.0/24 F5 Networks SARL BGP ANNOUNCED ● high
203.185.33.0/24 F5 Networks SARL BGP ANNOUNCED ● high
203.185.34.0/24 F5 Networks SARL BGP ANNOUNCED ● high
203.185.35.0/24 F5 Networks SARL BGP ANNOUNCED ● high
204.13.138.0/24 F5 Networks SARL BGP ANNOUNCED ● high
204.26.0.0/24 F5 Networks SARL BGP ANNOUNCED ● high
208.69.199.0/24 F5 Networks SARL BGP ANNOUNCED ● high
216.226.15.0/24 F5 Networks SARL BGP ANNOUNCED ● high
2404:75c0::/32 F5 Networks SARL BGP ANNOUNCED ● high
2a02:53a0::/32 F5 Networks SARL BGP ANNOUNCED ● high
2a05:f440::/29 F5 Networks SARL BGP ANNOUNCED ● high
2a05:f440:d::/48 F5 Networks SARL BGP ANNOUNCED ● high
2a07:b7c0::/29 F5 Networks SARL BGP ANNOUNCED ● high
2a09:4b00::/32 F5 Networks SARL BGP ANNOUNCED ● high
51.163.46.124/30 F5_NETWORKS_SARL RIPE LEGACY ● low
51.163.46.252/30 F5_NETWORKS_SARL RIPE LEGACY ● low
84.54.60.0/22 F5 Networks SARL RIPE ALLOCATED PA ● low
185.56.152.0/22 F5 Networks SARL RIPE ALLOCATED PA ● low
185.94.140.0/22 F5 Networks SARL RIPE ALLOCATED PA ● low
185.160.8.0/22 F5 Networks SARL RIPE ALLOCATED PA ● low
2a03:6c82:8010:2d::/64 F5_NETWORKS_SARL RIPE ASSIGNED ● low
2a03:6c82:8010:2e::/64 F5_NETWORKS_SARL RIPE ASSIGNED ● low
2a0e:3000::/29 F5 Networks SARL RIPE ALLOCATED-BY-RIR ● low

IPv6 ranges (9)

CIDR
2a05:f440::/29
2a07:b7c0::/29
2a0e:3000::/29
2404:75c0::/32
2a02:53a0::/32
2a09:4b00::/32
2a05:f440:d::/48
2a03:6c82:8010:2d::/64
2a03:6c82:8010:2e::/64

Footprint over time

11 weekly snapshots · JSON
84 -11 netblocks since 2026-07-05
2026-07-05 peak 97 2026-09-06

Domains hosted in this network

what's this?
valsparpaint.co.uk scoop.it

Network trust

what's this?
RPKI hygiene: B how networks compare →
94.0% of checked blocks have valid RPKI ROA coverage (79 of 84)
Possible discrepancies (1)

These blocks are registered to F5 Networks SARL 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.

204.13.138.0/24 /24 authorized for AS26777 — CBC Companies, Inc.

NIC Handles

AS1930-MNT AS35280 AS43767 DUMY-RIPE DUMY-RIPE EQUINIX-FULFIL-MNT EQUINIX-MNT F5-MNT F5-MNT FNZ-EU-MNT FNZ-MNT MAINT-HK-HKBN +4 more