HomePrefix Lookup137.66.0.0/16

137.66.0.0/16 - BGP Prefix

IPv4not announced RPKI Valid
CIDR
137.66.0.0/16
IP Version
IPv4
Addresses
65.5K
Mask
/16 (255.255.0.0)
Country
๐Ÿ‡บ๐Ÿ‡ธ United States
Status
not announced
Allocated
-

Announced BGP Routes

0 of 0 routes
RPKI:
IRR:

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PrefixOrigin ASRPKIIRRLast Seen
This prefix is not announced as a whole. Parts of it are announced as more-specific prefixes, see below.

More-Specific Announcements

51 more-specific announcements
PrefixOrigin ASRPKIIRRLast Seen
137.66.0.0/23AS40509 FLY - Fly.io, Inc. Valid-2026-10-12
137.66.2.0/23AS40509 FLY - Fly.io, Inc. Valid-2026-10-12
137.66.4.0/23AS40509 FLY - Fly.io, Inc. Valid-2026-10-12
137.66.6.0/23AS40509 FLY - Fly.io, Inc. Valid-2026-10-12
137.66.8.0/23AS40509 FLY - Fly.io, Inc. Valid-2026-10-12
137.66.10.0/23AS40509 FLY - Fly.io, Inc. Valid-2026-10-12
137.66.12.0/23AS40509 FLY - Fly.io, Inc. Valid-2026-10-12
137.66.14.0/23AS40509 FLY - Fly.io, Inc. Valid-2026-10-12
137.66.16.0/23AS40509 FLY - Fly.io, Inc. Valid-2026-10-12
137.66.18.0/23AS40509 FLY - Fly.io, Inc. Valid-2026-10-12
137.66.20.0/23AS40509 FLY - Fly.io, Inc. Valid-2026-10-12
137.66.22.0/23AS40509 FLY - Fly.io, Inc. Valid-2026-10-12
137.66.24.0/23AS40509 FLY - Fly.io, Inc. Valid-2026-10-12
137.66.26.0/23AS40509 FLY - Fly.io, Inc. Valid-2026-10-12
137.66.28.0/23AS40509 FLY - Fly.io, Inc. Valid-2026-10-12
137.66.30.0/23AS40509 FLY - Fly.io, Inc. Valid-2026-10-12
137.66.32.0/23AS40509 FLY - Fly.io, Inc. Valid-2026-10-12
137.66.34.0/23AS40509 FLY - Fly.io, Inc. Valid-2026-10-12
137.66.36.0/23AS40509 FLY - Fly.io, Inc. Valid-2026-10-12
137.66.38.0/23AS40509 FLY - Fly.io, Inc. Valid-2026-10-12
137.66.40.0/24AS40509 FLY - Fly.io, Inc. Valid-2026-10-12
137.66.42.0/23AS40509 FLY - Fly.io, Inc. Valid-2026-10-12
137.66.44.0/23AS40509 FLY - Fly.io, Inc. Valid-2026-10-12
137.66.46.0/23AS40509 FLY - Fly.io, Inc. Valid-2026-10-12
137.66.48.0/23AS40509 FLY - Fly.io, Inc. Valid-2026-10-12
137.66.50.0/23AS40509 FLY - Fly.io, Inc. Valid-2026-10-12
137.66.52.0/23AS40509 FLY - Fly.io, Inc. Valid-2026-10-12
137.66.54.0/23AS40509 FLY - Fly.io, Inc. Valid-2026-10-12
137.66.56.0/23AS40509 FLY - Fly.io, Inc. Valid-2026-10-12
137.66.58.0/23AS40509 FLY - Fly.io, Inc. Valid-2026-10-12
137.66.60.0/23AS40509 FLY - Fly.io, Inc. Valid-2026-10-12
137.66.62.0/23AS40509 FLY - Fly.io, Inc. Valid-2026-10-12
137.66.96.0/24AS13335 CLOUDFLARENET - Cloudflare, Inc. Valid-2026-10-12
137.66.122.0/23AS16789 YARDI - YARDI SYSTEMS, INC Valid-2026-10-12
137.66.124.0/24AS16789 YARDI - YARDI SYSTEMS, INC Valid-2026-10-12
137.66.126.0/24AS16789 YARDI - YARDI SYSTEMS, INC Valid-2026-10-12
137.66.128.0/22AS30103 ZOOM-VIDEO-COMM-AS - Zoom Video Communications, Inc Valid-2026-10-12
137.66.128.0/23AS30103 ZOOM-VIDEO-COMM-AS - Zoom Video Communications, Inc Valid-2026-10-12
137.66.130.0/23AS30103 ZOOM-VIDEO-COMM-AS - Zoom Video Communications, Inc Valid-2026-10-12
137.66.132.0/22AS30103 ZOOM-VIDEO-COMM-AS - Zoom Video Communications, Inc Valid-2026-10-12
137.66.132.0/23AS30103 ZOOM-VIDEO-COMM-AS - Zoom Video Communications, Inc Valid-2026-10-12
137.66.134.0/23AS30103 ZOOM-VIDEO-COMM-AS - Zoom Video Communications, Inc Valid-2026-10-12
137.66.136.0/22AS30103 ZOOM-VIDEO-COMM-AS - Zoom Video Communications, Inc Valid-2026-10-12
137.66.136.0/23AS30103 ZOOM-VIDEO-COMM-AS - Zoom Video Communications, Inc Valid-2026-10-12
137.66.138.0/23AS30103 ZOOM-VIDEO-COMM-AS - Zoom Video Communications, Inc Valid-2026-10-12
137.66.140.0/22AS30103 ZOOM-VIDEO-COMM-AS - Zoom Video Communications, Inc Valid-2026-10-12
137.66.140.0/23AS30103 ZOOM-VIDEO-COMM-AS - Zoom Video Communications, Inc Valid-2026-10-12
137.66.142.0/23AS30103 ZOOM-VIDEO-COMM-AS - Zoom Video Communications, Inc Valid-2026-10-12
137.66.144.0/22AS30103 ZOOM-VIDEO-COMM-AS - Zoom Video Communications, Inc Valid-2026-10-12
137.66.144.0/23AS30103 ZOOM-VIDEO-COMM-AS - Zoom Video Communications, Inc Valid-2026-10-12
137.66.146.0/23AS30103 ZOOM-VIDEO-COMM-AS - Zoom Video Communications, Inc Valid-2026-10-12

More Specific Prefixes

3
PrefixASCountryStatus
137.66.0.0/18AS40509๐Ÿ‡บ๐Ÿ‡ธUSallocated
137.66.64.0/18๐Ÿ‡บ๐Ÿ‡ธUSallocated
137.66.128.0/17AS30103๐Ÿ‡บ๐Ÿ‡ธUSallocated

Transfer History

Registry transfers of 137.66.0.0/16, blocks inside it, or blocks containing it.

4
Geolocation
Country๐Ÿ‡บ๐Ÿ‡ธUnited StatesUS

Learn more

GEThttps://api.ipctl.io/v1/prefix/137.66.0.0/16

Returns prefix allocation, BGP routes, and more-specific subnets.

curl -s "https://api.ipctl.io/v1/prefix/137.66.0.0/16" | jq
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