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Data as of Nov 4, 2026

151.186.180.0/24

5 residential-proxy exits · 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

Residential-proxy exits

Proxy exits
5
2.0% of its addresses · 30 days
Oct 5, 2026 – Nov 3, 2026

Exits seen per day

9 observations

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
└ 151.186.180.0/24256CIE-DEunknownLEGACYFeb 20, 2024rir-abuse@cisco.com
via CISCO-CIE-NATAAS-2
└ 151.186.180.13/321CIE-DECisco OpenDNS LLC (ORG-OI31-RIPE) · USLEGACYJan 16, 2026rir-abuse@cisco.com
└ 151.186.180.14/321CIE-DECisco OpenDNS LLC (ORG-OI31-RIPE) · USLEGACYJan 16, 2026rir-abuse@cisco.com
└ 151.186.180.15/321CIE-DECisco OpenDNS LLC (ORG-OI31-RIPE) · USLEGACYJan 16, 2026rir-abuse@cisco.com
└ 151.186.180.16/321CIE-DECisco OpenDNS LLC (ORG-OI31-RIPE) · USLEGACYJan 16, 2026rir-abuse@cisco.com
└ 151.186.180.17/321CIE-DECisco OpenDNS LLC (ORG-OI31-RIPE) · USLEGACYJan 16, 2026rir-abuse@cisco.com
└ 151.186.180.27/321CIE-ESCisco OpenDNS LLC (ORG-OI31-RIPE) · USLEGACYJan 16, 2026rir-abuse@cisco.com
└ 151.186.180.28/321CIE-ESCisco OpenDNS LLC (ORG-OI31-RIPE) · USLEGACYJan 16, 2026rir-abuse@cisco.com
└ 151.186.180.36/321CIE-PLCisco OpenDNS LLC (ORG-OI31-RIPE) · USLEGACYJan 16, 2026rir-abuse@cisco.com
└ 151.186.180.46/321CIE-CZCisco OpenDNS LLC (ORG-OI31-RIPE) · USLEGACYJan 16, 2026rir-abuse@cisco.com
└ 151.186.180.61/321CIE-FRCisco OpenDNS LLC (ORG-OI31-RIPE) · USLEGACYJan 16, 2026rir-abuse@cisco.com
└ 151.186.180.63/321CIE-FRCisco OpenDNS LLC (ORG-OI31-RIPE) · USLEGACYJan 16, 2026rir-abuse@cisco.com
└ 151.186.180.77/321CIE-DECisco OpenDNS LLC (ORG-OI31-RIPE) · USLEGACYJan 16, 2026rir-abuse@cisco.com
└ 151.186.180.78/321CIE-DECisco OpenDNS LLC (ORG-OI31-RIPE) · USLEGACYJan 16, 2026rir-abuse@cisco.com
└ 151.186.180.79/321CIE-DECisco OpenDNS LLC (ORG-OI31-RIPE) · USLEGACYJan 16, 2026rir-abuse@cisco.com
└ 151.186.180.80/321CIE-DECisco OpenDNS LLC (ORG-OI31-RIPE) · USLEGACYJan 16, 2026rir-abuse@cisco.com
└ 151.186.180.81/321CIE-DECisco OpenDNS LLC (ORG-OI31-RIPE) · USLEGACYJan 16, 2026rir-abuse@cisco.com
└ 151.186.180.94/321CIE-FRCisco OpenDNS LLC (ORG-OI31-RIPE) · USLEGACYJan 16, 2026rir-abuse@cisco.com
└ 151.186.180.96/321CIE-NLCisco OpenDNS LLC (ORG-OI31-RIPE) · USLEGACYJan 16, 2026rir-abuse@cisco.com
└ 151.186.180.102/321CIE-ESCisco OpenDNS LLC (ORG-OI31-RIPE) · USLEGACYJan 16, 2026rir-abuse@cisco.com
└ 151.186.180.103/321CIE-DKCisco OpenDNS LLC (ORG-OI31-RIPE) · USLEGACYJan 16, 2026rir-abuse@cisco.com
└ 151.186.180.121/321CIE-BECisco OpenDNS LLC (ORG-OI31-RIPE) · USLEGACYJan 16, 2026rir-abuse@cisco.com
└ 151.186.180.122/321CIE-NOCisco OpenDNS LLC (ORG-OI31-RIPE) · USLEGACYJan 16, 2026rir-abuse@cisco.com
└ 151.186.180.125/321CIE-IECisco OpenDNS LLC (ORG-OI31-RIPE) · USLEGACYJan 16, 2026rir-abuse@cisco.com
└ 151.186.180.126/321CIE-GBCisco OpenDNS LLC (ORG-OI31-RIPE) · USLEGACYJan 16, 2026rir-abuse@cisco.com
└ 151.186.180.136/321CIE-HUCisco OpenDNS LLC (ORG-OI31-RIPE) · USLEGACYJan 29, 2026rir-abuse@cisco.com
└ 151.186.180.137/321CIE-MXCisco OpenDNS LLC (ORG-OI31-RIPE) · USLEGACYJan 29, 2026rir-abuse@cisco.com
└ 151.186.180.139/321CIE-CHCisco OpenDNS LLC (ORG-OI31-RIPE) · USLEGACYJan 29, 2026rir-abuse@cisco.com
└ 151.186.180.140/321CIE-CHCisco OpenDNS LLC (ORG-OI31-RIPE) · USLEGACYJan 29, 2026rir-abuse@cisco.com
└ 151.186.180.142/321CIE-NLCisco OpenDNS LLC (ORG-OI31-RIPE) · USLEGACYJan 29, 2026rir-abuse@cisco.com
└ 151.186.180.143/321CIE-PLCisco OpenDNS LLC (ORG-OI31-RIPE) · USLEGACYFeb 5, 2026rir-abuse@cisco.com
└ 151.186.180.144/321CIE-FRCisco OpenDNS LLC (ORG-OI31-RIPE) · USLEGACYFeb 5, 2026rir-abuse@cisco.com
└ 151.186.180.145/321CIE-IECisco OpenDNS LLC (ORG-OI31-RIPE) · USLEGACYFeb 5, 2026rir-abuse@cisco.com
└ 151.186.180.150/321CIE-DKCisco OpenDNS LLC (ORG-OI31-RIPE) · USLEGACYFeb 20, 2026rir-abuse@cisco.com
└ 151.186.180.152/321CIE-BECisco OpenDNS LLC (ORG-OI31-RIPE) · USLEGACYMar 3, 2026rir-abuse@cisco.com
└ 151.186.180.155/321CIE-DKCisco OpenDNS LLC (ORG-OI31-RIPE) · USLEGACYMar 25, 2026rir-abuse@cisco.com
└ 151.186.180.156/321CIE-GBCisco OpenDNS LLC (ORG-OI31-RIPE) · USLEGACYApr 1, 2026rir-abuse@cisco.com
└ 151.186.180.157/321CIE-BECisco OpenDNS LLC (ORG-OI31-RIPE) · USLEGACYApr 1, 2026rir-abuse@cisco.com
└ 151.186.180.159/321CIE-LUCisco OpenDNS LLC (ORG-OI31-RIPE) · USLEGACYApr 21, 2026rir-abuse@cisco.com
└ 151.186.180.160/321CIE-GBCisco OpenDNS LLC (ORG-OI31-RIPE) · USLEGACYApr 22, 2026rir-abuse@cisco.com
└ 151.186.180.161/321CIE-RSCisco OpenDNS LLC (ORG-OI31-RIPE) · USLEGACYApr 22, 2026rir-abuse@cisco.com
└ 151.186.180.162/321CIE-GBCisco OpenDNS LLC (ORG-OI31-RIPE) · USLEGACYApr 22, 2026rir-abuse@cisco.com
└ 151.186.180.163/321CIE-RSCisco OpenDNS LLC (ORG-OI31-RIPE) · USLEGACYApr 22, 2026rir-abuse@cisco.com
└ 151.186.180.165/321CIE-GBCisco OpenDNS LLC (ORG-OI31-RIPE) · USLEGACYApr 22, 2026rir-abuse@cisco.com
└ 151.186.180.166/321CIE-RSCisco OpenDNS LLC (ORG-OI31-RIPE) · USLEGACYApr 22, 2026rir-abuse@cisco.com
└ 151.186.180.169/321CIE-BECisco OpenDNS LLC (ORG-OI31-RIPE) · USLEGACYApr 22, 2026rir-abuse@cisco.com
└ 151.186.180.175/321CIE-AECisco OpenDNS LLC (ORG-OI31-RIPE) · USLEGACYJun 27, 2026rir-abuse@cisco.com
└ 151.186.180.179/321CIE-GBCisco OpenDNS LLC (ORG-OI31-RIPE) · USLEGACYJul 14, 2026rir-abuse@cisco.com
└ 151.186.180.181/321CIE-BECisco OpenDNS LLC (ORG-OI31-RIPE) · USLEGACYJul 14, 2026rir-abuse@cisco.com
└ 151.186.180.183/321CIE-DKCisco OpenDNS LLC (ORG-OI31-RIPE) · USLEGACYJul 14, 2026rir-abuse@cisco.com
└ 151.186.180.184/321CIE-GBCisco OpenDNS LLC (ORG-OI31-RIPE) · USLEGACYJul 30, 2026rir-abuse@cisco.com
└ 151.186.180.185/321CIE-GBCisco OpenDNS LLC (ORG-OI31-RIPE) · USLEGACYJul 30, 2026rir-abuse@cisco.com
└ 151.186.180.187/321CIE-EECisco OpenDNS LLC (ORG-OI31-RIPE) · USLEGACYJul 30, 2026rir-abuse@cisco.com
└ 151.186.180.201/321CIE-CHCisco OpenDNS LLC (ORG-OI31-RIPE) · USLEGACYJan 29, 2026rir-abuse@cisco.com
└ 151.186.180.202/321CIE-CHCisco OpenDNS LLC (ORG-OI31-RIPE) · USLEGACYJan 29, 2026rir-abuse@cisco.com
└ 151.186.180.203/321CIE-BECisco OpenDNS LLC (ORG-OI31-RIPE) · USLEGACYJan 29, 2026rir-abuse@cisco.com
└ 151.186.180.205/321CIE-PLCisco OpenDNS LLC (ORG-OI31-RIPE) · USLEGACYFeb 5, 2026rir-abuse@cisco.com
└ 151.186.180.206/321CIE-FRCisco OpenDNS LLC (ORG-OI31-RIPE) · USLEGACYFeb 5, 2026rir-abuse@cisco.com
└ 151.186.180.207/321CIE-IECisco OpenDNS LLC (ORG-OI31-RIPE) · USLEGACYFeb 5, 2026rir-abuse@cisco.com
└ 151.186.180.211/321CIE-DECisco OpenDNS LLC (ORG-OI31-RIPE) · USLEGACYFeb 15, 2026rir-abuse@cisco.com
└ 151.186.180.212/321CIE-CZCisco OpenDNS LLC (ORG-OI31-RIPE) · USLEGACYFeb 20, 2026rir-abuse@cisco.com
└ 151.186.180.214/321CIE-BECisco OpenDNS LLC (ORG-OI31-RIPE) · USLEGACYMar 3, 2026rir-abuse@cisco.com
└ 151.186.180.216/321CIE-NOCisco OpenDNS LLC (ORG-OI31-RIPE) · USLEGACYMar 20, 2026rir-abuse@cisco.com
└ 151.186.180.217/321CIE-BECisco OpenDNS LLC (ORG-OI31-RIPE) · USLEGACYMar 20, 2026rir-abuse@cisco.com
└ 151.186.180.218/321CIE-DKCisco OpenDNS LLC (ORG-OI31-RIPE) · USLEGACYMar 25, 2026rir-abuse@cisco.com
└ 151.186.180.219/321CIE-NLCisco OpenDNS LLC (ORG-OI31-RIPE) · USLEGACYApr 1, 2026rir-abuse@cisco.com
└ 151.186.180.222/321CIE-LUCisco OpenDNS LLC (ORG-OI31-RIPE) · USLEGACYApr 21, 2026rir-abuse@cisco.com
└ 151.186.180.223/321CIE-RSCisco OpenDNS LLC (ORG-OI31-RIPE) · USLEGACYApr 22, 2026rir-abuse@cisco.com
└ 151.186.180.224/321CIE-GBCisco OpenDNS LLC (ORG-OI31-RIPE) · USLEGACYApr 22, 2026rir-abuse@cisco.com
└ 151.186.180.225/321CIE-RSCisco OpenDNS LLC (ORG-OI31-RIPE) · USLEGACYApr 22, 2026rir-abuse@cisco.com
└ 151.186.180.226/321CIE-GBCisco OpenDNS LLC (ORG-OI31-RIPE) · USLEGACYApr 22, 2026rir-abuse@cisco.com
└ 151.186.180.227/321CIE-GBCisco OpenDNS LLC (ORG-OI31-RIPE) · USLEGACYApr 22, 2026rir-abuse@cisco.com
└ 151.186.180.228/321CIE-RSCisco OpenDNS LLC (ORG-OI31-RIPE) · USLEGACYApr 22, 2026rir-abuse@cisco.com
└ 151.186.180.229/321CIE-GBCisco OpenDNS LLC (ORG-OI31-RIPE) · USLEGACYApr 22, 2026rir-abuse@cisco.com
└ 151.186.180.230/321CIE-GBCisco OpenDNS LLC (ORG-OI31-RIPE) · USLEGACYApr 22, 2026rir-abuse@cisco.com
└ 151.186.180.231/321CIE-BECisco OpenDNS LLC (ORG-OI31-RIPE) · USLEGACYApr 22, 2026rir-abuse@cisco.com
└ 151.186.180.238/321CIE-HUCisco OpenDNS LLC (ORG-OI31-RIPE) · USLEGACYJun 27, 2026rir-abuse@cisco.com
└ 151.186.180.241/321CIE-BECisco OpenDNS LLC (ORG-OI31-RIPE) · USLEGACYJul 14, 2026rir-abuse@cisco.com
└ 151.186.180.244/321CIE-BECisco OpenDNS LLC (ORG-OI31-RIPE) · USLEGACYJul 14, 2026rir-abuse@cisco.com
└ 151.186.180.246/321CIE-GBCisco OpenDNS LLC (ORG-OI31-RIPE) · USLEGACYJul 30, 2026rir-abuse@cisco.com
└ 151.186.180.248/321CIE-BECisco OpenDNS LLC (ORG-OI31-RIPE) · USLEGACYJul 30, 2026rir-abuse@cisco.com
└ 151.186.180.249/321CIE-ATCisco OpenDNS LLC (ORG-OI31-RIPE) · USLEGACYJul 30, 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