HomePrefix Lookup131.248.0.0/15

131.248.0.0/15

🇯🇵
IPv4RIPEassignedNo ROA
CIDR
131.248.0.0/15
IP Version
IPv4
Addresses
131K
Mask
/15 (255.254.0.0)
Country
🇯🇵 Japan
City
Chiyoda City
RIR
RIPE
Status
assigned
Allocated
-

Announced BGP Routes

0 of 0 routes
RPKI:
IRR:
PrefixOrigin ASRPKIIRRLast Seen
This prefix is not currently announced in BGP. See covering prefix below.

Covering Prefix

18 less-specific announcements
PrefixOrigin ASRPKIIRRLast Seen
131.248.0.0/16AS2497IIJ - Internet Initiative Japan Inc.No ROA—6/13/2026
131.249.0.0/16AS397380TEMPLE-HEALTH - Temple University Health System, Inc.No ROA—6/13/2026
131.249.64.0/20AS397380TEMPLE-HEALTH - Temple University Health System, Inc.No ROA—6/13/2026
131.249.0.0/20AS397380TEMPLE-HEALTH - Temple University Health System, Inc.No ROA—6/13/2026
131.249.144.0/22AS397380TEMPLE-HEALTH - Temple University Health System, Inc.No ROA—6/13/2026
131.249.160.0/22AS397380TEMPLE-HEALTH - Temple University Health System, Inc.No ROA—6/13/2026
131.249.164.0/22AS397380TEMPLE-HEALTH - Temple University Health System, Inc.No ROA—6/13/2026
131.249.154.0/23AS397380TEMPLE-HEALTH - Temple University Health System, Inc.No ROA—6/13/2026
131.249.226.0/23AS397380TEMPLE-HEALTH - Temple University Health System, Inc.No ROA—6/13/2026
131.249.158.0/23AS397380TEMPLE-HEALTH - Temple University Health System, Inc.No ROA—6/13/2026
131.249.80.0/24AS3778TEMPLE - Temple UniversityNo ROA—6/13/2026
131.249.254.0/24AS397380TEMPLE-HEALTH - Temple University Health System, Inc.No ROA—6/13/2026
131.249.18.0/24AS397380TEMPLE-HEALTH - Temple University Health System, Inc.No ROA—6/13/2026
131.249.17.0/24AS397380TEMPLE-HEALTH - Temple University Health System, Inc.No ROA—6/13/2026
131.249.20.0/24AS397380TEMPLE-HEALTH - Temple University Health System, Inc.No ROA—6/13/2026
131.249.16.0/24AS397380TEMPLE-HEALTH - Temple University Health System, Inc.No ROA—6/13/2026
131.249.152.0/24AS397380TEMPLE-HEALTH - Temple University Health System, Inc.No ROA—6/13/2026
131.249.253.0/24AS397380TEMPLE-HEALTH - Temple University Health System, Inc.No ROA—6/13/2026

More Specific Prefixes

2
PrefixASCountryStatus
131.248.0.0/16AS2497🇯🇵JPallocated
131.249.0.0/16AS397380🇺🇸USallocated
Geolocation
Country🇯🇵JapanJP
RegionTokyo
CityChiyoda City
Coordinates35.6906, 139.7700 ↗
API
Open
GEThttps://api.ipctl.io/v1/prefix/131.248.0.0/15

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

curl -s "https://api.ipctl.io/v1/prefix/131.248.0.0/15" | jq
External Links
RIPEstat Hurricane Electric BGP