HomePrefix Lookup128.252.0.0/16

128.252.0.0/16

🇺🇸
IPv4ARINallocatedAS2552WUSTL-ASN - Washington University RPKI Valid
CIDR
128.252.0.0/16
IP Version
IPv4
Addresses
65.5K
Mask
/16 (255.255.0.0)
Country
🇺🇸 United States
City
St Louis
RIR
ARIN
Status
allocated
Allocated
6/3/1987

Announced BGP Routes

1 of 1 route
RPKI:
IRR:
PrefixOrigin ASRPKIIRRLast Seen
128.252.0.0/16AS2552WUSTL-ASN - Washington University Valid
ARINRADB
5/30/2026

RPKI ROAs

1
PrefixOriginMax LengthTrust Anchor
128.252.0.0/16AS2552/16arin

IRR Route Objects

2
OriginRegistryMaintainerModified
AS2552ARINMNT-WASHIN-Z-
AS2552RADBMAINT-CHTR-WD11/13/2023
Origin ASN
AS2552
WUSTL-ASN - Washington University
Geolocation
Country🇺🇸United StatesUS
RegionMissouri
CitySt Louis
Coordinates38.6488, -90.3108 ↗
API
Open
GEThttps://api.ipctl.io/v1/prefix/128.252.0.0/16

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

curl -s "https://api.ipctl.io/v1/prefix/128.252.0.0/16" | jq
External Links
RIPEstat Hurricane Electric BGP