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Data as of Nov 4, 2026

151.186.145.0/24

No anonymizer space · no proxy exits in 30 days

Amazon.com, Inc. · space held by Cisco Systems, Inc.

Announcement
this exact prefix
RPKI valid
Announced by
AS16509
Type
Hosting
Risk
50 / 100 · Medium

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
└ 151.186.144.0/204,096CISCO-CIE-NATAAS-12unknownLEGACYJun 12, 2024rir-abuse@cisco.com
via OpenDNS-RIPE
└ 151.186.145.0/24256CISCO-CIE-NATAAS-12unknownLEGACYJun 12, 2024rir-abuse@cisco.com
via CISCO-CIE-NATAAS-12
└ 151.186.145.22/321CIE-GBCisco OpenDNS LLC (ORG-OI31-RIPE) · USLEGACYApr 7, 2026rir-abuse@cisco.com
└ 151.186.145.27/321CIE-GBCisco OpenDNS LLC (ORG-OI31-RIPE) · USLEGACYMay 27, 2026rir-abuse@cisco.com
└ 151.186.145.28/321CIE-ESCisco OpenDNS LLC (ORG-OI31-RIPE) · USLEGACYJun 10, 2026rir-abuse@cisco.com
└ 151.186.145.29/321CIE-ESCisco OpenDNS LLC (ORG-OI31-RIPE) · USLEGACYJun 10, 2026rir-abuse@cisco.com
└ 151.186.145.30/321CIE-DECisco OpenDNS LLC (ORG-OI31-RIPE) · USLEGACYJun 10, 2026rir-abuse@cisco.com
└ 151.186.145.33/321CIE-BECisco OpenDNS LLC (ORG-OI31-RIPE) · USLEGACYJul 14, 2026rir-abuse@cisco.com
└ 151.186.145.39/321CIE-ATCisco OpenDNS LLC (ORG-OI31-RIPE) · USLEGACYSep 22, 2026rir-abuse@cisco.com
└ 151.186.145.40/321CIE-NLCisco OpenDNS LLC (ORG-OI31-RIPE) · USLEGACYSep 24, 2026rir-abuse@cisco.com
└ 151.186.145.41/321CIE-MACisco OpenDNS LLC (ORG-OI31-RIPE) · USLEGACYOct 3, 2026rir-abuse@cisco.com
└ 151.186.145.42/321CIE-MACisco OpenDNS LLC (ORG-OI31-RIPE) · USLEGACYOct 3, 2026rir-abuse@cisco.com
└ 151.186.145.43/321CIE-PTCisco OpenDNS LLC (ORG-OI31-RIPE) · USLEGACYOct 3, 2026rir-abuse@cisco.com
└ 151.186.145.44/321CIE-PTCisco OpenDNS LLC (ORG-OI31-RIPE) · USLEGACYOct 3, 2026rir-abuse@cisco.com
└ 151.186.145.53/321CIE-DECisco OpenDNS LLC (ORG-OI31-RIPE) · USLEGACYOct 23, 2026rir-abuse@cisco.com
└ 151.186.145.54/321CIE-GBCisco OpenDNS LLC (ORG-OI31-RIPE) · USLEGACYOct 23, 2026rir-abuse@cisco.com
└ 151.186.145.55/321CIE-GBCisco OpenDNS LLC (ORG-OI31-RIPE) · USLEGACYOct 23, 2026rir-abuse@cisco.com
└ 151.186.145.86/321CIE-NLCisco OpenDNS LLC (ORG-OI31-RIPE) · USLEGACYApr 7, 2026rir-abuse@cisco.com
└ 151.186.145.87/321CIE-BECisco OpenDNS LLC (ORG-OI31-RIPE) · USLEGACYApr 7, 2026rir-abuse@cisco.com
└ 151.186.145.92/321CIE-ESCisco OpenDNS LLC (ORG-OI31-RIPE) · USLEGACYJun 10, 2026rir-abuse@cisco.com
└ 151.186.145.96/321CIE-DECisco OpenDNS LLC (ORG-OI31-RIPE) · USLEGACYJul 14, 2026rir-abuse@cisco.com
└ 151.186.145.97/321CIE-DECisco OpenDNS LLC (ORG-OI31-RIPE) · USLEGACYJul 14, 2026rir-abuse@cisco.com
└ 151.186.145.99/321CIE-BECisco OpenDNS LLC (ORG-OI31-RIPE) · USLEGACYJul 30, 2026rir-abuse@cisco.com
└ 151.186.145.100/321CIE-GBCisco OpenDNS LLC (ORG-OI31-RIPE) · USLEGACYAug 18, 2026rir-abuse@cisco.com
└ 151.186.145.104/321CIE-MACisco OpenDNS LLC (ORG-OI31-RIPE) · USLEGACYOct 3, 2026rir-abuse@cisco.com
└ 151.186.145.105/321CIE-MACisco OpenDNS LLC (ORG-OI31-RIPE) · USLEGACYOct 3, 2026rir-abuse@cisco.com
└ 151.186.145.106/321CIE-PTCisco OpenDNS LLC (ORG-OI31-RIPE) · USLEGACYOct 3, 2026rir-abuse@cisco.com
└ 151.186.145.107/321CIE-PTCisco OpenDNS LLC (ORG-OI31-RIPE) · USLEGACYOct 3, 2026rir-abuse@cisco.com
└ 151.186.145.119/321CIE-GBCisco OpenDNS LLC (ORG-OI31-RIPE) · USLEGACYOct 23, 2026rir-abuse@cisco.com

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
Registry

Holder

Organization
Cisco Systems, Inc.
Handle
ORG-CSI15-RIPE
Range
151.186.0.0/16
Registration type
LEGACY
Record created
Sep 2, 2021
Legacy
yes
Origin network

AS16509

US
Name
Amazon.com, Inc.
Type
Hosting
Registered
May 4, 2000
Domain
amazon.com
Website
www.amazon.com
Industry
Hosting and Cloud Provider
Spamhaus ASN-DROP
not listed
VPN servers
294