HomePrefix Lookup50.31.128.0/17

50.31.128.0/17

🇺🇸
IPv4ARINallocatedAS23352SERVERCENTRAL - DEFT.COMNo ROA
CIDR
50.31.128.0/17
IP Version
IPv4
Addresses
32.7K
Mask
/17 (255.255.128.0)
Country
🇺🇸 United States
City
Chicago
RIR
ARIN
Status
allocated
Allocated
2/3/2011

Announced BGP Routes

1 of 1 route
RPKI:
IRR:
PrefixOrigin ASRPKIIRRLast Seen
50.31.128.0/17AS23352SERVERCENTRAL - DEFT.COMNo ROA
ARIN
6/1/2026

Covering Prefix

27 less-specific announcements
PrefixOrigin ASRPKIIRRLast Seen
50.31.128.0/18AS23352SERVERCENTRAL - DEFT.COMNo ROA—6/1/2026
50.31.192.0/20AS23352SERVERCENTRAL - DEFT.COMNo ROA—6/1/2026
50.31.208.0/20AS23352SERVERCENTRAL - DEFT.COMNo ROA—6/1/2026
50.31.232.0/21AS23352SERVERCENTRAL - DEFT.COMNo ROA—6/1/2026
50.31.248.0/21AS23352SERVERCENTRAL - DEFT.COMNo ROA—6/1/2026
50.31.224.0/21AS23352SERVERCENTRAL - DEFT.COMNo ROA—6/1/2026
50.31.244.0/22AS23352SERVERCENTRAL - DEFT.COMNo ROA—6/1/2026
50.31.172.0/22AS23352SERVERCENTRAL - DEFT.COMNo ROA—6/1/2026
50.31.140.0/22AS23352SERVERCENTRAL - DEFT.COMNo ROA—6/1/2026
50.31.220.0/22AS23352SERVERCENTRAL - DEFT.COMNo ROA—6/1/2026
50.31.236.0/24AS2914NTT-DATA-2914 - NTT America, Inc.No ROA—6/1/2026
50.31.163.0/24AS10493GCN-AS - Grand Central Networks Inc.No ROA—6/1/2026
50.31.142.0/24AS22075AS-OUTBRAIN - Outbrain, Inc.No ROA—6/1/2026
50.31.152.0/24AS23352SERVERCENTRAL - DEFT.COMNo ROA—6/1/2026
50.31.248.0/24AS23352SERVERCENTRAL - DEFT.COMNo ROA—6/1/2026
50.31.176.0/24AS23352SERVERCENTRAL - DEFT.COMNo ROA—6/1/2026
50.31.177.0/24AS23352SERVERCENTRAL - DEFT.COMNo ROA—6/1/2026
50.31.174.0/24AS23352SERVERCENTRAL - DEFT.COMNo ROA—6/1/2026
50.31.168.0/24AS23352SERVERCENTRAL - DEFT.COMNo ROA—6/1/2026
50.31.132.0/24AS25773RADWARE-CLOUD-SERVICES - RADWARE INC.No ROA—6/1/2026
50.31.197.0/24AS30081CACHENETWORKS - CacheFly Valid—6/1/2026
50.31.196.0/24AS30081CACHENETWORKS - CacheFly Valid—6/1/2026
50.31.201.0/24AS30081CACHENETWORKS - CacheFly Valid—6/1/2026
50.31.238.0/24AS30081CACHENETWORKS - CacheFly Valid—6/1/2026
50.31.246.0/24AS40509FLY - Fly.io, Inc.No ROA—6/1/2026
50.31.161.0/24AS212238CDNEXT Datacamp Limited Valid—6/1/2026
50.31.139.0/24AS212238CDNEXT Datacamp Limited Valid—6/1/2026

IRR Route Objects

2
OriginRegistryMaintainerModified
AS23352ARINMNT-SL-20633/23/2026
AS198949RADBMAINT-AS19894911/13/2023
Origin ASN
AS23352
SERVERCENTRAL - DEFT.COM
Geolocation
Country🇺🇸United StatesUS
RegionIllinois
CityChicago
Coordinates41.8781, -87.6298 ↗
API
Open
GEThttps://api.ipctl.io/v1/prefix/50.31.128.0/17

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

curl -s "https://api.ipctl.io/v1/prefix/50.31.128.0/17" | jq
External Links
RIPEstat Hurricane Electric BGP