HomePrefix Lookup199.37.180.0/23

199.37.180.0/23

🇺🇸
IPv4ARINannouncedAS5728WORLDNET1 - AT&T Enterprises, LLC RPKI Valid
CIDR
199.37.180.0/23
IP Version
IPv4
Addresses
512
Mask
/23 (255.255.254.0)
Country
🇺🇸 United States
City
Chicago
RIR
ARIN
Status
announced
Allocated
-

Announced BGP Routes

1 of 1 route
RPKI:
IRR:
PrefixOrigin ASRPKIIRRLast Seen
199.37.180.0/23AS5728WORLDNET1 - AT&T Enterprises, LLC Valid
ARIN
5/31/2026

RPKI ROAs

2
PrefixOriginMax LengthTrust Anchor
199.37.180.0/23AS5728/23arin
199.37.0.0/16AS0/16arin

IRR Route Objects

1
OriginRegistryMaintainerModified
AS5728ARINMNT-AEL-3607/21/2025
Origin ASN
AS5728
WORLDNET1 - AT&T Enterprises, LLC
Geolocation
Country🇺🇸United StatesUS
RegionIllinois
CityChicago
Coordinates41.8781, -87.6298 ↗
API
Open
GEThttps://api.ipctl.io/v1/prefix/199.37.180.0/23

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

curl -s "https://api.ipctl.io/v1/prefix/199.37.180.0/23" | jq
External Links
RIPEstat Hurricane Electric BGP