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Data as of Nov 14, 2026

151.186.185.0/24

No anonymizer space · no proxy exits in 30 days

Amazon.com, Inc.

Announcement
this exact prefix
RPKI valid
Announced by
AS16509
Type
Corporate gateway
Risk
20 / 100 · Low

Operators, sellers and brokers

Corporate gateways

NameParentIn 151.186.185.0/24/24s
Cisco UmbrellaCisco
256100%
1

Registrations in this block

The registry's network records over the announcement: those covering it, widest first, then every record inside it, under its parent.

RangeAddressesNetnameHolderTypeCreatedAbuse contact
151.186.0.0/1665,536OpenDNS-RIPECisco Systems, Inc. (ORG-CSI15-RIPE) · USLEGACYSep 2, 2021rir-abuse@cisco.com
└ 151.186.176.0/204,096CISCO-CIE-NATAAS-2unknownLEGACYSep 20, 2023rir-abuse@cisco.com
└ 151.186.185.0/24256CIE-IDunknownLEGACYMar 4, 2024rir-abuse@cisco.com
via CISCO-CIE-NATAAS-2
└ 151.186.185.13/321CIE-IDunknownLEGACYJan 16, 2026rir-abuse@cisco.com
via CIE-ID
└ 151.186.185.14/321CIE-IDunknownLEGACYJan 16, 2026rir-abuse@cisco.com
via CIE-ID
└ 151.186.185.15/321CIE-IDunknownLEGACYJan 16, 2026rir-abuse@cisco.com
via CIE-ID
└ 151.186.185.16/321CIE-IDunknownLEGACYJan 16, 2026rir-abuse@cisco.com
via CIE-ID
└ 151.186.185.17/321CIE-IDunknownLEGACYJan 16, 2026rir-abuse@cisco.com
via CIE-ID
└ 151.186.185.28/321CIE-SGunknownLEGACYJul 30, 2026rir-abuse@cisco.com
via CIE-ID
└ 151.186.185.30/321CIE-LKunknownLEGACYSep 22, 2026rir-abuse@cisco.com
via CIE-ID
└ 151.186.185.31/321CIE-KRunknownLEGACYOct 3, 2026rir-abuse@cisco.com
via CIE-ID
└ 151.186.185.32/321CIE-KRunknownLEGACYOct 3, 2026rir-abuse@cisco.com
via CIE-ID
└ 151.186.185.77/321CIE-IDunknownLEGACYJan 16, 2026rir-abuse@cisco.com
via CIE-ID
└ 151.186.185.78/321CIE-IDunknownLEGACYJan 16, 2026rir-abuse@cisco.com
via CIE-ID
└ 151.186.185.79/321CIE-IDunknownLEGACYJan 16, 2026rir-abuse@cisco.com
via CIE-ID
└ 151.186.185.80/321CIE-IDunknownLEGACYJan 16, 2026rir-abuse@cisco.com
via CIE-ID
└ 151.186.185.81/321CIE-IDunknownLEGACYJan 16, 2026rir-abuse@cisco.com
via CIE-ID
└ 151.186.185.87/321CIE-PHunknownLEGACYFeb 15, 2026rir-abuse@cisco.com
via CIE-ID
└ 151.186.185.89/321CIE-MYunknownLEGACYApr 9, 2026rir-abuse@cisco.com
via CIE-ID

A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Routing timeline

Who has announced this prefix

Summary

Routing history

Pattern
Stable
First seen
Feb 2024
Current origin since
Feb 2024 · 2.7 yr
Origin networks
1