Fly.io, Inc.

BGP inherited
Cluster stats
Netblocks270 · 158,265 IPv4 addresses
Cluster ID208789426
RegistryBGP
Customersfind customers using this network →
Evidence & provenance ?
Attribution BGP parent (inherited)
Shared handles clustered on 13 shared RIR contact/maintainer handles
Registry names 3 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works

Footprint over time

5 weekly snapshots · JSON
270 +1 netblocks since 2026-07-05
2026-07-05 peak 270 2026-07-19

IP Ranges (270)

showing 50 of 270 — see all — ⬇ export CSV
CIDR Org name Registry Status Confidence
37.16.0.0/23 Fly.io, Inc. BGP ANNOUNCED ● high
37.16.2.0/23 Fly.io, Inc. BGP ANNOUNCED ● high
37.16.4.0/23 Fly.io, Inc. BGP ANNOUNCED ● high
37.16.6.0/23 Fly.io, Inc. BGP ANNOUNCED ● high
37.16.8.0/23 Fly.io, Inc. BGP ANNOUNCED ● high
37.16.10.0/23 Fly.io, Inc. BGP ANNOUNCED ● high
37.16.12.0/23 Fly.io, Inc. BGP ANNOUNCED ● high
37.16.14.0/23 Fly.io, Inc. BGP ANNOUNCED ● high
37.16.16.0/23 Fly.io, Inc. BGP ANNOUNCED ● high
37.16.18.0/23 Fly.io, Inc. BGP ANNOUNCED ● high
37.16.20.0/23 Fly.io, Inc. BGP ANNOUNCED ● high
37.16.22.0/23 Fly.io, Inc. BGP ANNOUNCED ● high
37.16.24.0/23 Fly.io, Inc. BGP ANNOUNCED ● high
37.16.26.0/23 Fly.io, Inc. BGP ANNOUNCED ● high
37.16.28.0/23 Fly.io, Inc. BGP ANNOUNCED ● high
37.16.30.0/23 Fly.io, Inc. BGP ANNOUNCED ● high
50.31.246.0/24 Fly.io, Inc. BGP ANNOUNCED ● high
66.51.120.0/23 Fly.io, Inc. BGP ANNOUNCED ● high
66.51.122.0/23 Fly.io, Inc. BGP ANNOUNCED ● high
66.51.124.0/23 Fly.io, Inc. BGP ANNOUNCED ● high
66.51.126.0/23 Fly.io, Inc. BGP ANNOUNCED ● high
66.241.112.0/24 Fly.io, Inc. BGP ANNOUNCED ● high
66.241.113.0/24 Fly.io, Inc. BGP ANNOUNCED ● high
66.241.114.0/24 Fly.io, Inc. BGP ANNOUNCED ● high
66.241.115.0/24 Fly.io, Inc. BGP ANNOUNCED ● high
66.241.124.0/23 Fly.io, Inc. BGP ANNOUNCED ● high
66.241.127.0/24 Fly.io, Inc. BGP ANNOUNCED ● high
77.83.140.0/22 Fly.io, Inc. BGP ANNOUNCED ● high
109.105.216.0/23 Fly.io, Inc. BGP ANNOUNCED ● high
109.105.218.0/23 Fly.io, Inc. BGP ANNOUNCED ● high
109.105.220.0/23 Fly.io, Inc. BGP ANNOUNCED ● high
109.105.222.0/23 Fly.io, Inc. BGP ANNOUNCED ● high
137.66.0.0/23 Fly.io, Inc. BGP ANNOUNCED ● high
137.66.2.0/23 Fly.io, Inc. BGP ANNOUNCED ● high
137.66.4.0/23 Fly.io, Inc. BGP ANNOUNCED ● high
137.66.6.0/23 Fly.io, Inc. BGP ANNOUNCED ● high
137.66.8.0/23 Fly.io, Inc. BGP ANNOUNCED ● high
137.66.10.0/23 Fly.io, Inc. BGP ANNOUNCED ● high
137.66.12.0/23 Fly.io, Inc. BGP ANNOUNCED ● high
137.66.14.0/23 Fly.io, Inc. BGP ANNOUNCED ● high
137.66.16.0/23 Fly.io, Inc. BGP ANNOUNCED ● high
137.66.18.0/23 Fly.io, Inc. BGP ANNOUNCED ● high
137.66.20.0/23 Fly.io, Inc. BGP ANNOUNCED ● high
137.66.22.0/23 Fly.io, Inc. BGP ANNOUNCED ● high
137.66.24.0/23 Fly.io, Inc. BGP ANNOUNCED ● high
137.66.26.0/23 Fly.io, Inc. BGP ANNOUNCED ● high
137.66.28.0/23 Fly.io, Inc. BGP ANNOUNCED ● high
137.66.30.0/23 Fly.io, Inc. BGP ANNOUNCED ● high
137.66.32.0/23 Fly.io, Inc. BGP ANNOUNCED ● high
137.66.34.0/23 Fly.io, Inc. BGP ANNOUNCED ● high

Domains hosted in this network

what's this?
servicesadmedia.com worldtimeapi.org fly.dev ucsc.edu fluorescent.co cartcdn.com usefoil.com websocket.org atlassian.com qz.io stepsfitness.app fly.io datasette.io peeklabs.com narkive.com vnda.com.br godocs.io storageapi.dev fordeer.app romanistik.de

Network trust

what's this?
RPKI hygiene: A how networks compare →
99.3% of checked blocks have valid RPKI ROA coverage (268 of 270)
No discrepancies found among checked blocks.

NIC Handles

ABUSE8489-ARIN AS40509 BERRY359-ARIN DUMY-RIPE DUMY-RIPE FLYIO FLYOP-ARIN FLYOP-ARIN FLYOP-ARIN ORG-FI56-RIPE RIPE-NCC-HM-MNT mnt-us-fly-1 +1 more