HomePrefix Lookup207.231.240.0/20

207.231.240.0/20

🇺🇸
IPv4ARINallocatedMOAS RPKI Valid
CIDR
207.231.240.0/20
IP Version
IPv4
Addresses
4K
Mask
/20 (255.255.240.0)
Country
🇺🇸 United States
City
Seattle (Downtown Seattle)
RIR
ARIN
Status
allocated
Allocated
8/18/2004

Announced BGP Routes

2 of 2 routes
MOAS - 2 origin ASNs
RPKI:
IRR:
PrefixOrigin ASRPKIIRRLast Seen
207.231.240.0/20AS101WASH-NSF-AS - University of Washington Valid
RADB
5/31/2026
207.231.240.0/20AS39941PACIFIC-WAVE - Pacific Wave Valid
ARINRADB
5/31/2026

Covering Prefix

6 less-specific announcements
PrefixOrigin ASRPKIIRRLast Seen
207.231.243.0/24AS2153CENIC-2153 - CENIC Invalid—5/31/2026
207.231.245.0/24AS2153CENIC-2153 - CENIC Invalid—5/31/2026
207.231.246.0/24AS2153CENIC-2153 - CENIC Invalid—5/31/2026
207.231.248.0/24AS2153CENIC-2153 - CENIC Invalid—5/31/2026
207.231.249.0/24AS2153CENIC-2153 - CENIC Invalid—5/31/2026
207.231.255.0/24AS39941PACIFIC-WAVE - Pacific Wave Valid—5/31/2026

RPKI ROAs

2
PrefixOriginMax LengthTrust Anchor
207.231.240.0/20AS101/24arin
207.231.240.0/20AS39941/24arin

IRR Route Objects

3
OriginRegistryMaintainerModified
AS39941ARINMNT-PACIF-2412/3/2024
AS101RADBMAINT-AS10111/13/2023
AS39941RADBMAINT-AS215012/12/2024
Origin ASNs (2)
AS101MOAS
WASH-NSF-AS - University of Washington
AS39941MOAS
PACIFIC-WAVE - Pacific Wave
Geolocation
Country🇺🇸United StatesUS
RegionWashington
CitySeattle (Downtown Seattle)
Coordinates47.6145, -122.3390 ↗
API
Open
GEThttps://api.ipctl.io/v1/prefix/207.231.240.0/20

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

curl -s "https://api.ipctl.io/v1/prefix/207.231.240.0/20" | jq
External Links
RIPEstat Hurricane Electric BGP