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Data as of Nov 4, 2026

151.186.151.0/24

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
└ 151.186.151.0/24256CISCO-CIE-NATAAS-12unknownLEGACYJun 12, 2024rir-abuse@cisco.com
via CISCO-CIE-NATAAS-12
└ 151.186.151.23/321CIE-DECisco OpenDNS LLC (ORG-OI31-RIPE) · USLEGACYFeb 3, 2026rir-abuse@cisco.com
└ 151.186.151.24/321CIE-HUCisco OpenDNS LLC (ORG-OI31-RIPE) · USLEGACYFeb 3, 2026rir-abuse@cisco.com
└ 151.186.151.25/321CIE-LYCisco OpenDNS LLC (ORG-OI31-RIPE) · USLEGACYFeb 15, 2026rir-abuse@cisco.com
└ 151.186.151.29/321CIE-RSCisco OpenDNS LLC (ORG-OI31-RIPE) · USLEGACYApr 22, 2026rir-abuse@cisco.com
└ 151.186.151.30/321CIE-RSCisco OpenDNS LLC (ORG-OI31-RIPE) · USLEGACYApr 22, 2026rir-abuse@cisco.com
└ 151.186.151.31/321CIE-FRCisco OpenDNS LLC (ORG-OI31-RIPE) · USLEGACYApr 22, 2026rir-abuse@cisco.com
└ 151.186.151.32/321CIE-RSCisco OpenDNS LLC (ORG-OI31-RIPE) · USLEGACYApr 22, 2026rir-abuse@cisco.com
└ 151.186.151.34/321CIE-AECisco OpenDNS LLC (ORG-OI31-RIPE) · USLEGACYJun 27, 2026rir-abuse@cisco.com
└ 151.186.151.35/321CIE-HUCisco OpenDNS LLC (ORG-OI31-RIPE) · USLEGACYJun 27, 2026rir-abuse@cisco.com
└ 151.186.151.38/321CIE-ATCisco OpenDNS LLC (ORG-OI31-RIPE) · USLEGACYJul 30, 2026rir-abuse@cisco.com
└ 151.186.151.40/321CIE-KECisco OpenDNS LLC (ORG-OI31-RIPE) · USLEGACYAug 19, 2026rir-abuse@cisco.com
└ 151.186.151.41/321CIE-CZCisco OpenDNS LLC (ORG-OI31-RIPE) · USLEGACYSep 16, 2026rir-abuse@cisco.com
└ 151.186.151.42/321CIE-CZCisco OpenDNS LLC (ORG-OI31-RIPE) · USLEGACYSep 16, 2026rir-abuse@cisco.com
└ 151.186.151.43/321CIE-ROCisco OpenDNS LLC (ORG-OI31-RIPE) · USLEGACYSep 16, 2026rir-abuse@cisco.com
└ 151.186.151.44/321CIE-ROCisco OpenDNS LLC (ORG-OI31-RIPE) · USLEGACYSep 16, 2026rir-abuse@cisco.com
└ 151.186.151.46/321CIE-ATCisco OpenDNS LLC (ORG-OI31-RIPE) · USLEGACYSep 22, 2026rir-abuse@cisco.com
└ 151.186.151.47/321CIE-GRCisco OpenDNS LLC (ORG-OI31-RIPE) · USLEGACYOct 3, 2026rir-abuse@cisco.com
└ 151.186.151.48/321CIE-GRCisco OpenDNS LLC (ORG-OI31-RIPE) · USLEGACYOct 3, 2026rir-abuse@cisco.com
└ 151.186.151.49/321CIE-TRCisco OpenDNS LLC (ORG-OI31-RIPE) · USLEGACYOct 3, 2026rir-abuse@cisco.com
└ 151.186.151.50/321CIE-TRCisco OpenDNS LLC (ORG-OI31-RIPE) · USLEGACYOct 3, 2026rir-abuse@cisco.com
└ 151.186.151.51/321CIE-UACisco OpenDNS LLC (ORG-OI31-RIPE) · USLEGACYOct 3, 2026rir-abuse@cisco.com
└ 151.186.151.52/321CIE-UACisco OpenDNS LLC (ORG-OI31-RIPE) · USLEGACYOct 3, 2026rir-abuse@cisco.com
└ 151.186.151.60/321CIE-CZCisco OpenDNS LLC (ORG-OI31-RIPE) · USLEGACYOct 23, 2026rir-abuse@cisco.com
└ 151.186.151.61/321CIE-CYCisco OpenDNS LLC (ORG-OI31-RIPE) · USLEGACYOct 23, 2026rir-abuse@cisco.com
└ 151.186.151.86/321CIE-DECisco OpenDNS LLC (ORG-OI31-RIPE) · USLEGACYFeb 3, 2026rir-abuse@cisco.com
└ 151.186.151.90/321CIE-CHCisco OpenDNS LLC (ORG-OI31-RIPE) · USLEGACYMar 20, 2026rir-abuse@cisco.com
└ 151.186.151.91/321CIE-RSCisco OpenDNS LLC (ORG-OI31-RIPE) · USLEGACYApr 22, 2026rir-abuse@cisco.com
└ 151.186.151.92/321CIE-FRCisco OpenDNS LLC (ORG-OI31-RIPE) · USLEGACYApr 22, 2026rir-abuse@cisco.com
└ 151.186.151.93/321CIE-RSCisco OpenDNS LLC (ORG-OI31-RIPE) · USLEGACYApr 22, 2026rir-abuse@cisco.com
└ 151.186.151.94/321CIE-RSCisco OpenDNS LLC (ORG-OI31-RIPE) · USLEGACYApr 22, 2026rir-abuse@cisco.com
└ 151.186.151.95/321CIE-FRCisco OpenDNS LLC (ORG-OI31-RIPE) · USLEGACYApr 22, 2026rir-abuse@cisco.com
└ 151.186.151.97/321CIE-DECisco OpenDNS LLC (ORG-OI31-RIPE) · USLEGACYJun 27, 2026rir-abuse@cisco.com
└ 151.186.151.103/321CIE-ILCisco OpenDNS LLC (ORG-OI31-RIPE) · USLEGACYAug 19, 2026rir-abuse@cisco.com
└ 151.186.151.104/321CIE-CZCisco OpenDNS LLC (ORG-OI31-RIPE) · USLEGACYSep 16, 2026rir-abuse@cisco.com
└ 151.186.151.105/321CIE-CZCisco OpenDNS LLC (ORG-OI31-RIPE) · USLEGACYSep 16, 2026rir-abuse@cisco.com
└ 151.186.151.106/321CIE-ROCisco OpenDNS LLC (ORG-OI31-RIPE) · USLEGACYSep 16, 2026rir-abuse@cisco.com
└ 151.186.151.107/321CIE-ROCisco OpenDNS LLC (ORG-OI31-RIPE) · USLEGACYSep 16, 2026rir-abuse@cisco.com
└ 151.186.151.110/321CIE-GRCisco OpenDNS LLC (ORG-OI31-RIPE) · USLEGACYOct 3, 2026rir-abuse@cisco.com
└ 151.186.151.111/321CIE-GRCisco OpenDNS LLC (ORG-OI31-RIPE) · USLEGACYOct 3, 2026rir-abuse@cisco.com
└ 151.186.151.112/321CIE-TRCisco OpenDNS LLC (ORG-OI31-RIPE) · USLEGACYOct 3, 2026rir-abuse@cisco.com
└ 151.186.151.113/321CIE-TRCisco OpenDNS LLC (ORG-OI31-RIPE) · USLEGACYOct 3, 2026rir-abuse@cisco.com
└ 151.186.151.114/321CIE-UACisco OpenDNS LLC (ORG-OI31-RIPE) · USLEGACYOct 3, 2026rir-abuse@cisco.com
└ 151.186.151.115/321CIE-UACisco OpenDNS LLC (ORG-OI31-RIPE) · USLEGACYOct 3, 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