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137.31.0.0/16

Currently announced by AS22616 Zscaler AS22616, in the routed prefix 137.31.0.0/16.

Current ASN
AS22616
Zscaler AS22616
Routed prefix
137.31.0.0/16
Most specific route covering this prefix
ASNs over time
1
1 announcement record
RIR allocation
RIPENCC
Switzerland · 137.31.0.0/16

Routing data · Oct 22, 2026, 22:19 UTC

ASN historyEvery routed prefix covering 137.31.0.0/16

PrefixASNNameRegistered countryFirst seen (UTC)Last seen (UTC)Status
137.31.0.0/16AS22616Zscaler AS22616United StatesBefore monitoring2026-10-22 22:19Announcing

More specific routes92 total

PrefixASNNameRegistered countryFirst seen (UTC)Last seen (UTC)Status
137.31.0.0/22AS62044Zscaler AS62044SwitzerlandBefore monitoring2026-10-22 22:19Announcing
137.31.12.0/23AS62044Zscaler AS62044SwitzerlandBefore monitoring2026-10-22 22:19Announcing
137.31.15.0/24AS22616Zscaler AS22616United StatesBefore monitoring2026-10-22 22:19Announcing
137.31.16.0/24AS62044Zscaler AS62044SwitzerlandBefore monitoring2026-10-22 22:19Announcing
137.31.17.0/24AS53813Zscaler AS53813United StatesBefore monitoring2026-10-22 22:19Announcing
137.31.18.0/24AS53813Zscaler AS53813United StatesBefore monitoring2026-10-22 22:19Announcing
137.31.19.0/24AS53813Zscaler AS53813United StatesBefore monitoring2026-10-22 22:19Announcing
137.31.20.0/23AS62044Zscaler AS62044SwitzerlandBefore monitoring2026-10-22 22:19Announcing
137.31.22.0/23AS62044Zscaler AS62044SwitzerlandBefore monitoring2026-10-22 22:19Announcing
137.31.24.0/23AS22616Zscaler AS22616United StatesBefore monitoring2026-10-22 22:19Announcing
137.31.26.0/23AS22616Zscaler AS22616United StatesBefore monitoring2026-10-22 22:19Announcing
137.31.32.0/23AS62044Zscaler AS62044SwitzerlandBefore monitoring2026-10-22 22:19Announcing
137.31.34.0/23AS62044Zscaler AS62044SwitzerlandBefore monitoring2026-10-22 22:19Announcing
137.31.36.0/24AS62044Zscaler AS62044SwitzerlandBefore monitoring2026-10-22 22:19Announcing
137.31.37.0/24AS62044Zscaler AS62044SwitzerlandBefore monitoring2026-10-22 22:19Announcing
137.31.38.0/24AS15830Equinix as15830NetherlandsBefore monitoring2026-10-22 22:19Announcing
137.31.40.0/24AS15830Equinix as15830NetherlandsBefore monitoring2026-10-22 22:19Announcing
137.31.41.0/24AS15830Equinix as15830NetherlandsBefore monitoring2026-10-22 22:19Announcing
137.31.42.0/24AS15830Equinix as15830NetherlandsBefore monitoring2026-10-22 22:19Announcing
137.31.43.0/24AS62044Zscaler AS62044SwitzerlandBefore monitoring2026-10-22 22:19Announcing
137.31.44.0/24AS53813Zscaler AS53813United StatesBefore monitoring2026-10-22 22:19Announcing
137.31.45.0/24AS62044Zscaler AS62044SwitzerlandBefore monitoring2026-10-22 22:19Announcing
137.31.46.0/24AS62044Zscaler AS62044SwitzerlandBefore monitoring2026-10-22 22:19Announcing
137.31.47.0/24AS62044Zscaler AS62044SwitzerlandBefore monitoring2026-10-22 22:19Announcing
137.31.48.0/24AS62044Zscaler AS62044SwitzerlandBefore monitoring2026-10-22 22:19Announcing
137.31.49.0/24AS22616Zscaler AS22616United StatesBefore monitoring2026-10-22 22:19Announcing
137.31.50.0/24AS53813Zscaler AS53813United StatesBefore monitoring2026-10-22 22:19Announcing
137.31.52.0/23AS62044Zscaler AS62044SwitzerlandBefore monitoring2026-10-22 22:19Announcing
137.31.54.0/23AS22616Zscaler AS22616United StatesBefore monitoring2026-10-22 22:19Announcing
137.31.58.0/23AS62044Zscaler AS62044SwitzerlandBefore monitoring2026-10-22 22:19Announcing
137.31.60.0/24AS22616Zscaler AS22616United StatesBefore monitoring2026-10-22 22:19Announcing
137.31.61.0/24AS22616Zscaler AS22616United StatesBefore monitoring2026-10-22 22:19Announcing
137.31.62.0/24AS62044Zscaler AS62044SwitzerlandBefore monitoring2026-10-22 22:19Announcing
137.31.63.0/24AS53813Zscaler AS53813United StatesBefore monitoring2026-10-22 22:19Announcing
137.31.80.0/23AS22616Zscaler AS22616United StatesBefore monitoring2026-10-22 22:19Announcing
137.31.82.0/23AS22616Zscaler AS22616United StatesBefore monitoring2026-10-22 22:19Announcing
137.31.84.0/23AS22616Zscaler AS22616United StatesBefore monitoring2026-10-22 22:19Announcing
137.31.86.0/23AS22616Zscaler AS22616United StatesBefore monitoring2026-10-22 22:19Announcing
137.31.88.0/23AS22616Zscaler AS22616United StatesBefore monitoring2026-10-22 22:19Announcing
137.31.90.0/23AS62044Zscaler AS62044SwitzerlandBefore monitoring2026-10-22 22:19Announcing
137.31.92.0/23AS53813Zscaler AS53813United StatesBefore monitoring2026-10-22 22:19Announcing
137.31.94.0/23AS62044Zscaler AS62044SwitzerlandBefore monitoring2026-10-22 22:19Announcing
137.31.97.0/24AS16509Amazon.comUnited StatesBefore monitoring2026-10-22 22:19Announcing
137.31.98.0/24AS16509Amazon.comUnited StatesBefore monitoring2026-10-22 22:19Announcing
137.31.101.0/24AS22616Zscaler AS22616United StatesBefore monitoring2026-10-22 22:19Announcing
137.31.112.0/23AS62044Zscaler AS62044SwitzerlandBefore monitoring2026-10-22 22:19Announcing
137.31.114.0/23AS22616Zscaler AS22616United StatesBefore monitoring2026-10-22 22:19Announcing
137.31.118.0/24AS53813Zscaler AS53813United StatesBefore monitoring2026-10-22 22:19Announcing
137.31.119.0/24AS22616Zscaler AS22616United StatesBefore monitoring2026-10-22 22:19Announcing
137.31.120.0/23AS22616Zscaler AS22616United StatesBefore monitoring2026-10-22 22:19Announcing
137.31.122.0/23AS22616Zscaler AS22616United StatesBefore monitoring2026-10-22 22:19Announcing
137.31.124.0/23AS22616Zscaler AS22616United StatesBefore monitoring2026-10-22 22:19Announcing
137.31.126.0/23AS22616Zscaler AS22616United StatesBefore monitoring2026-10-22 22:19Announcing
137.31.128.0/23AS22616Zscaler AS22616United StatesBefore monitoring2026-10-22 22:19Announcing
137.31.130.0/23AS62044Zscaler AS62044SwitzerlandBefore monitoring2026-10-22 22:19Announcing
137.31.132.0/24AS53813Zscaler AS53813United StatesBefore monitoring2026-10-22 22:19Announcing
137.31.133.0/24AS62044Zscaler AS62044SwitzerlandBefore monitoring2026-10-22 22:19Announcing
137.31.136.0/23AS53813Zscaler AS53813United StatesBefore monitoring2026-10-22 22:19Announcing
137.31.138.0/23AS53813Zscaler AS53813United StatesBefore monitoring2026-10-22 22:19Announcing
137.31.140.0/24AS62044Zscaler AS62044SwitzerlandBefore monitoring2026-10-22 22:19Announcing
137.31.141.0/24AS22616Zscaler AS22616United StatesBefore monitoring2026-10-22 22:19Announcing
137.31.152.0/23AS53813Zscaler AS53813United StatesBefore monitoring2026-10-22 22:19Announcing
137.31.156.0/24AS53813Zscaler AS53813United StatesBefore monitoring2026-10-22 22:19Announcing
137.31.157.0/24AS22616Zscaler AS22616United StatesBefore monitoring2026-10-22 22:19Announcing
137.31.158.0/24AS22616Zscaler AS22616United StatesBefore monitoring2026-10-22 22:19Announcing
137.31.159.0/24AS16509Amazon.comUnited StatesBefore monitoring2026-10-22 22:19Announcing
137.31.160.0/23AS22616Zscaler AS22616United StatesBefore monitoring2026-10-22 22:19Announcing
137.31.162.0/23AS22616Zscaler AS22616United StatesBefore monitoring2026-10-22 22:19Announcing
137.31.164.0/24AS53813Zscaler AS53813United StatesBefore monitoring2026-10-22 22:19Announcing
137.31.165.0/24AS16509Amazon.comUnited StatesBefore monitoring2026-10-22 22:19Announcing
137.31.166.0/24AS16509Amazon.comUnited StatesBefore monitoring2026-10-22 22:19Announcing
137.31.168.0/24AS22616Zscaler AS22616United StatesBefore monitoring2026-10-22 22:19Announcing
137.31.169.0/24AS62044Zscaler AS62044SwitzerlandBefore monitoring2026-10-22 22:19Announcing
137.31.172.0/24AS53813Zscaler AS53813United StatesBefore monitoring2026-10-22 22:19Announcing
137.31.173.0/24AS53813Zscaler AS53813United StatesBefore monitoring2026-10-22 22:19Announcing
137.31.174.0/24AS53813Zscaler AS53813United StatesBefore monitoring2026-10-22 22:19Announcing
137.31.175.0/24AS53813Zscaler AS53813United StatesBefore monitoring2026-10-22 22:19Announcing
137.31.176.0/23AS22616Zscaler AS22616United StatesBefore monitoring2026-10-22 22:19Announcing
137.31.187.0/24AS22616Zscaler AS22616United StatesBefore monitoring2026-10-22 22:19Announcing
137.31.190.0/24AS22616Zscaler AS22616United StatesBefore monitoring2026-10-22 22:19Announcing
137.31.191.0/24AS22616Zscaler AS22616United StatesBefore monitoring2026-10-22 22:19Announcing
137.31.192.0/24AS16509Amazon.comUnited StatesBefore monitoring2026-10-22 22:19Announcing
137.31.193.0/24AS16509Amazon.comUnited StatesBefore monitoring2026-10-22 22:19Announcing
137.31.194.0/24AS14618Amazon AESUnited StatesBefore monitoring2026-10-22 22:19Announcing
137.31.195.0/24AS16509Amazon.comUnited StatesBefore monitoring2026-10-22 22:19Announcing
137.31.196.0/24AS16509Amazon.comUnited StatesBefore monitoring2026-10-22 22:19Announcing
137.31.197.0/24AS16509Amazon.comUnited StatesBefore monitoring2026-10-22 22:19Announcing
137.31.208.0/24AS22616Zscaler AS22616United StatesBefore monitoring2026-10-22 22:19Announcing
137.31.209.0/24AS53813Zscaler AS53813United StatesBefore monitoring2026-10-22 22:19Announcing
137.31.216.0/24AS53813Zscaler AS53813United States2026-10-22 02:182026-10-22 22:19Announcing
137.31.217.0/24AS22616Zscaler AS22616United StatesBefore monitoring2026-10-22 22:19Announcing
137.31.255.0/24AS16509Amazon.comUnited StatesBefore monitoring2026-10-22 22:19Announcing

Change logAll changes

The routes covering this address have had no origin changes since ASNBase started monitoring.