HomePrefix Lookup209.249.57.0/24

209.249.57.0/24

🇺🇸
IPv4ARINannouncedMOAS RPKI Valid
CIDR
209.249.57.0/24
IP Version
IPv4
Addresses
256
Mask
/24 (255.255.255.0)
Country
🇺🇸 United States
City
Mesa
RIR
ARIN
Status
announced
Allocated
-

Announced BGP Routes

2 of 2 routes
MOAS - 2 origin ASNs
RPKI:
IRR:
PrefixOrigin ASRPKIIRRLast Seen
209.249.57.0/24AS60808AP-2440-60808 - Anthropic, Valid—6/1/2026
209.249.57.0/24AS399358ANTHROPIC - Anthropic, PBC Valid
ARIN
6/1/2026

Covering Prefix

1 less-specific announcement
PrefixOrigin ASRPKIIRRLast Seen
209.249.0.0/16AS6461ZAYO-6461 - Zayo Bandwidth Valid—6/1/2026

RPKI ROAs

3
PrefixOriginMax LengthTrust Anchor
209.249.57.0/24AS60808/24arin
209.249.57.0/24AS399358/24arin
209.249.0.0/16AS6461/16arin

IRR Route Objects

1
OriginRegistryMaintainerModified
AS399358ARINMNT-ZAYOB10/21/2025
Origin ASNs (2)
AS60808MOAS
AP-2440-60808 - Anthropic,
AS399358MOAS
ANTHROPIC - Anthropic, PBC
Geolocation
Country🇺🇸United StatesUS
RegionArizona
CityMesa
Coordinates33.4098, -111.8780 ↗
Abuse Contact
API
Open
GEThttps://api.ipctl.io/v1/prefix/209.249.57.0/24

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

curl -s "https://api.ipctl.io/v1/prefix/209.249.57.0/24" | jq
External Links
RIPEstat Hurricane Electric BGP