HomePrefix Lookup137.165.0.0/17

137.165.0.0/17

🇺🇸
IPv4ARINannouncedAS11399WILLIAMSCOLLEGE - Williams College RPKI Valid
CIDR
137.165.0.0/17
IP Version
IPv4
Addresses
32.7K
Mask
/17 (255.255.128.0)
Country
🇺🇸 United States
City
Williamstown
RIR
ARIN
Status
announced
Allocated
-

Announced BGP Routes

1 of 1 route
RPKI:
IRR:
PrefixOrigin ASRPKIIRRLast Seen
137.165.0.0/17AS11399WILLIAMSCOLLEGE - Williams College Valid
ARINRADB
5/31/2026

RPKI ROAs

1
PrefixOriginMax LengthTrust Anchor
137.165.0.0/17AS11399/24arin

IRR Route Objects

2
OriginRegistryMaintainerModified
AS11399ARINMNT-WCC-6-Z1/16/2024
AS11399RADBMAINT-AS275521/30/2026
Origin ASN
AS11399
WILLIAMSCOLLEGE - Williams College
Geolocation
Country🇺🇸United StatesUS
RegionMassachusetts
CityWilliamstown
Coordinates42.7128, -73.2030 ↗
API
Open
GEThttps://api.ipctl.io/v1/prefix/137.165.0.0/17

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

curl -s "https://api.ipctl.io/v1/prefix/137.165.0.0/17" | jq
External Links
RIPEstat Hurricane Electric BGP