HomePrefix Lookup137.31.0.0/16

137.31.0.0/16

🇩🇪
IPv4RIPENCCassignedAS22616ZSCALER-SJC1 - ZSCALER, INC.No ROA
CIDR
137.31.0.0/16
IP Version
IPv4
Addresses
65.5K
Mask
/16 (255.255.0.0)
Country
🇩🇪 Germany
City
Frankfurt am Main
RIR
RIPENCC
Status
assigned
Allocated
10/17/1989

Announced BGP Routes

1 of 1 route
RPKI:
IRR:
PrefixOrigin ASRPKIIRRLast Seen
137.31.0.0/16AS22616ZSCALER-SJC1 - ZSCALER, INC.No ROA
RADB
5/30/2026

Covering Prefix

32 less-specific announcements
PrefixOrigin ASRPKIIRRLast Seen
137.31.0.0/22AS62044ZSCALER-EMEA Zscaler Switzerland GmbH Valid—5/30/2026
137.31.54.0/23AS22616ZSCALER-SJC1 - ZSCALER, INC.No ROA—5/30/2026
137.31.92.0/23AS53813ZSCALER-INC - ZSCALER, INC.No ROA—5/30/2026
137.31.20.0/23AS62044ZSCALER-EMEA Zscaler Switzerland GmbH Valid—5/30/2026
137.31.22.0/23AS62044ZSCALER-EMEA Zscaler Switzerland GmbH Valid—5/30/2026
137.31.32.0/23AS62044ZSCALER-EMEA Zscaler Switzerland GmbH Valid—5/30/2026
137.31.52.0/23AS62044ZSCALER-EMEA Zscaler Switzerland GmbH Valid—5/30/2026
137.31.34.0/23AS62044ZSCALER-EMEA Zscaler Switzerland GmbH Valid—5/30/2026
137.31.12.0/23AS62044ZSCALER-EMEA Zscaler Switzerland GmbH Valid—5/30/2026
137.31.90.0/23AS62044ZSCALER-EMEA Zscaler Switzerland GmbH Valid—5/30/2026
137.31.58.0/23AS62044ZSCALER-EMEA Zscaler Switzerland GmbH Valid—5/30/2026
137.31.97.0/24AS16509AMAZON-02 - Amazon.com, Inc. Valid—5/30/2026
137.31.96.0/24AS16509AMAZON-02 - Amazon.com, Inc. Valid—5/30/2026
137.31.49.0/24AS22616ZSCALER-SJC1 - ZSCALER, INC. Valid—5/30/2026
137.31.15.0/24AS22616ZSCALER-SJC1 - ZSCALER, INC. Valid—5/30/2026
137.31.60.0/24AS22616ZSCALER-SJC1 - ZSCALER, INC. Valid—5/30/2026
137.31.61.0/24AS22616ZSCALER-SJC1 - ZSCALER, INC. Valid—5/30/2026
137.31.44.0/24AS53813ZSCALER-INC - ZSCALER, INC. Valid—5/30/2026
137.31.18.0/24AS53813ZSCALER-INC - ZSCALER, INC. Valid—5/30/2026
137.31.19.0/24AS53813ZSCALER-INC - ZSCALER, INC. Valid—5/30/2026
137.31.63.0/24AS53813ZSCALER-INC - ZSCALER, INC. Valid—5/30/2026
137.31.17.0/24AS53813ZSCALER-INC - ZSCALER, INC. Valid—5/30/2026
137.31.50.0/24AS53813ZSCALER-INC - ZSCALER, INC. Valid—5/30/2026
137.31.37.0/24AS62044ZSCALER-EMEA Zscaler Switzerland GmbH Valid—5/30/2026
137.31.45.0/24AS62044ZSCALER-EMEA Zscaler Switzerland GmbH Valid—5/30/2026
137.31.46.0/24AS62044ZSCALER-EMEA Zscaler Switzerland GmbH Valid—5/30/2026
137.31.47.0/24AS62044ZSCALER-EMEA Zscaler Switzerland GmbH Valid—5/30/2026
137.31.48.0/24AS62044ZSCALER-EMEA Zscaler Switzerland GmbH Valid—5/30/2026
137.31.36.0/24AS62044ZSCALER-EMEA Zscaler Switzerland GmbH Valid—5/30/2026
137.31.62.0/24AS62044ZSCALER-EMEA Zscaler Switzerland GmbH Valid—5/30/2026
137.31.16.0/24AS62044ZSCALER-EMEA Zscaler Switzerland GmbH Valid—5/30/2026
137.31.43.0/24AS62044ZSCALER-EMEA Zscaler Switzerland GmbH Valid—5/30/2026

IRR Route Objects

1
OriginRegistryMaintainerModified
AS22616RADBMAINT-AS5344410/16/2025

More Specific Prefixes

33
PrefixASCountryStatus
137.31.0.0/22AS62044🇩🇪DEassigned
137.31.32.0/23AS62044🇩🇪DEassigned
137.31.20.0/23AS62044🇨🇭CHassigned
137.31.22.0/23AS62044🇨🇭CHassigned
137.31.34.0/23AS62044🇧🇪BEassigned
137.31.58.0/23AS62044🇵🇹PTassigned
137.31.90.0/23AS62044🇬🇧GBassigned
137.31.52.0/23AS62044🇵🇱PLassigned
137.31.12.0/23AS62044🇫🇷FRassigned
137.31.92.0/23AS53813🇸🇬SGassigned
137.31.17.0/24AS53813🇯🇵JPassigned
137.31.16.0/24AS62044🇫🇮FIassigned
137.31.50.0/24AS53813🇯🇵JPassigned
137.31.41.0/24🇺🇸USassigned
137.31.46.0/24AS62044🇪🇸ESassigned
137.31.47.0/24AS62044🇪🇸ESassigned
137.31.43.0/24AS62044🇬🇧GBassigned
137.31.15.0/24AS22616🇺🇸USassigned
137.31.18.0/24AS53813🇮🇳INassigned
137.31.37.0/24AS62044🇫🇷FRassigned
137.31.45.0/24AS62044🇪🇸ESassigned
137.31.48.0/24AS62044🇪🇸ESassigned
137.31.36.0/24AS62044🇬🇧GBassigned
137.31.60.0/24AS22616🇺🇸USassigned
137.31.44.0/24AS53813🇸🇬SGassigned
137.31.62.0/24AS62044🇳🇱NLassigned
137.31.38.0/24🇺🇸USassigned
137.31.40.0/24🇺🇸USassigned
137.31.39.0/24🇺🇸USassigned
137.31.49.0/24AS22616🇺🇸USassigned
137.31.63.0/24AS53813🇦🇺AUassigned
137.31.42.0/24🇩🇪DEassigned
137.31.61.0/24AS22616🇺🇸USassigned
Origin ASN
AS22616
ZSCALER-SJC1 - ZSCALER, INC.
Geolocation
Country🇩🇪GermanyDE
CityFrankfurt am Main
Coordinates50.1109, 8.6821 ↗
API
Open
GEThttps://api.ipctl.io/v1/prefix/137.31.0.0/16

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

curl -s "https://api.ipctl.io/v1/prefix/137.31.0.0/16" | jq
External Links
RIPEstat Hurricane Electric BGP