HomePrefix Lookup151.101.0.0/16

151.101.0.0/16

πŸ‡ΊπŸ‡Έ
IPv4ARINallocated AnycastAS54113FASTLY - Fastly, Inc. RPKI Valid
CIDR
151.101.0.0/16
IP Version
IPv4
Addresses
65.5K
Mask
/16 (255.255.0.0)
Country
πŸ‡ΊπŸ‡Έ United States
City
San Francisco
RIR
ARIN
Status
allocated
Allocated
2/1/2016

Announced BGP Routes

1 of 1 route
RPKI:
IRR:
PrefixOrigin ASRPKIIRRLast Seen
151.101.0.0/16AS54113FASTLY - Fastly, Inc. Valid
RADB
5/31/2026

Covering Prefix

57 less-specific announcements
PrefixOrigin ASRPKIIRRLast Seen
151.101.0.0/22AS54113FASTLY - Fastly, Inc. Validβ€”5/31/2026
151.101.4.0/22AS54113FASTLY - Fastly, Inc. Validβ€”5/31/2026
151.101.8.0/22AS54113FASTLY - Fastly, Inc. Validβ€”5/31/2026
151.101.12.0/22AS54113FASTLY - Fastly, Inc. Validβ€”5/31/2026
151.101.16.0/22AS54113FASTLY - Fastly, Inc. Validβ€”5/31/2026
151.101.20.0/22AS54113FASTLY - Fastly, Inc. Validβ€”5/31/2026
151.101.28.0/22AS54113FASTLY - Fastly, Inc. Validβ€”5/31/2026
151.101.36.0/22AS54113FASTLY - Fastly, Inc. Validβ€”5/31/2026
151.101.40.0/22AS54113FASTLY - Fastly, Inc. Validβ€”5/31/2026
151.101.44.0/22AS54113FASTLY - Fastly, Inc. Validβ€”5/31/2026
151.101.48.0/22AS54113FASTLY - Fastly, Inc. Validβ€”5/31/2026
151.101.52.0/22AS54113FASTLY - Fastly, Inc. Validβ€”5/31/2026
151.101.60.0/22AS54113FASTLY - Fastly, Inc. Validβ€”5/31/2026
151.101.64.0/22AS54113FASTLY - Fastly, Inc. Validβ€”5/31/2026
151.101.68.0/22AS54113FASTLY - Fastly, Inc. Validβ€”5/31/2026
151.101.72.0/22AS54113FASTLY - Fastly, Inc. Validβ€”5/31/2026
151.101.76.0/22AS54113FASTLY - Fastly, Inc. Validβ€”5/31/2026
151.101.80.0/22AS54113FASTLY - Fastly, Inc. Validβ€”5/31/2026
151.101.84.0/22AS54113FASTLY - Fastly, Inc. Validβ€”5/31/2026
151.101.88.0/22AS54113FASTLY - Fastly, Inc. Validβ€”5/31/2026
151.101.92.0/22AS54113FASTLY - Fastly, Inc. Validβ€”5/31/2026
151.101.104.0/22AS54113FASTLY - Fastly, Inc. Validβ€”5/31/2026
151.101.108.0/22AS54113FASTLY - Fastly, Inc. Validβ€”5/31/2026
151.101.112.0/22AS54113FASTLY - Fastly, Inc. Validβ€”5/31/2026
151.101.120.0/22AS54113FASTLY - Fastly, Inc. Validβ€”5/31/2026
151.101.124.0/22AS54113FASTLY - Fastly, Inc. Validβ€”5/31/2026
151.101.128.0/22AS54113FASTLY - Fastly, Inc. Validβ€”5/31/2026
151.101.132.0/22AS54113FASTLY - Fastly, Inc. Validβ€”5/31/2026
151.101.136.0/22AS54113FASTLY - Fastly, Inc. Validβ€”5/31/2026
151.101.140.0/22AS54113FASTLY - Fastly, Inc. Validβ€”5/31/2026
151.101.144.0/22AS54113FASTLY - Fastly, Inc. Validβ€”5/31/2026
151.101.148.0/22AS54113FASTLY - Fastly, Inc. Validβ€”5/31/2026
151.101.152.0/22AS54113FASTLY - Fastly, Inc. Validβ€”5/31/2026
151.101.156.0/22AS54113FASTLY - Fastly, Inc. Validβ€”5/31/2026
151.101.160.0/22AS54113FASTLY - Fastly, Inc. Validβ€”5/31/2026
151.101.164.0/22AS54113FASTLY - Fastly, Inc. Validβ€”5/31/2026
151.101.172.0/22AS54113FASTLY - Fastly, Inc. Validβ€”5/31/2026
151.101.176.0/22AS54113FASTLY - Fastly, Inc. Validβ€”5/31/2026
151.101.180.0/22AS54113FASTLY - Fastly, Inc. Validβ€”5/31/2026
151.101.184.0/22AS54113FASTLY - Fastly, Inc. Validβ€”5/31/2026
151.101.188.0/22AS54113FASTLY - Fastly, Inc. Validβ€”5/31/2026
151.101.192.0/22AS54113FASTLY - Fastly, Inc. Validβ€”5/31/2026
151.101.196.0/22AS54113FASTLY - Fastly, Inc. Validβ€”5/31/2026
151.101.200.0/22AS54113FASTLY - Fastly, Inc. Validβ€”5/31/2026
151.101.204.0/22AS54113FASTLY - Fastly, Inc. Validβ€”5/31/2026
151.101.208.0/22AS54113FASTLY - Fastly, Inc. Validβ€”5/31/2026
151.101.212.0/22AS54113FASTLY - Fastly, Inc. Validβ€”5/31/2026
151.101.216.0/22AS54113FASTLY - Fastly, Inc. Validβ€”5/31/2026
151.101.220.0/22AS54113FASTLY - Fastly, Inc. Validβ€”5/31/2026
151.101.224.0/22AS54113FASTLY - Fastly, Inc. Validβ€”5/31/2026
151.101.228.0/22AS54113FASTLY - Fastly, Inc. Validβ€”5/31/2026
151.101.232.0/22AS54113FASTLY - Fastly, Inc. Validβ€”5/31/2026
151.101.236.0/22AS54113FASTLY - Fastly, Inc. Validβ€”5/31/2026
151.101.240.0/22AS54113FASTLY - Fastly, Inc. Validβ€”5/31/2026
151.101.244.0/22AS54113FASTLY - Fastly, Inc. Validβ€”5/31/2026
151.101.248.0/22AS54113FASTLY - Fastly, Inc. Validβ€”5/31/2026
151.101.252.0/22AS54113FASTLY - Fastly, Inc. Validβ€”5/31/2026

RPKI ROAs

1
PrefixOriginMax LengthTrust Anchor
151.101.0.0/16AS54113/16arin

IRR Route Objects

1
OriginRegistryMaintainerModified
AS54113RADBMAINT-AS5411311/13/2023
Geolocation
This is an anycast prefix. The location shown is the organization HQ β€” actual server location varies by your network path.
CountryπŸ‡ΊπŸ‡ΈUnited StatesUS
RegionCalifornia
CitySan Francisco
TimezoneAmerica/Los_Angeles
GEThttps://api.ipctl.io/v1/prefix/151.101.0.0/16

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

curl -s "https://api.ipctl.io/v1/prefix/151.101.0.0/16" | jq