AS23005 — SWITCH-LTD

AS23005 announces 162 IPv4 prefixes covering 311,552 addresses and 48 IPv6 prefixes.

About this network

The AS handle SWITCH-LTD is operated by Switch, Ltd.

What it's used for

• The address space carries data center and business infrastructure, evidenced by netnames such as DATAFOUNDRY, YHC-4, and YHC-3.
• Reverse DNS entries follow the pattern cust-<ip>.switchnap.com, indicating customer allocations within the Switch network.
• The AS announces 311,552 IPv4 addresses across 253 prefixes and 65 IPv6 prefixes, with 143 observed neighbours, suggesting a role focused on hosting and interconnection rather than pure transit.

Notable

• All registrants in the evidence pack are listed as SWITCH, LTD, consistent with the announcer.
• The address inventory is diverse, including blocks previously associated with other entities like INSYNC4 and DATAFOUNDRY, reflecting acquisitions or historical allocations now managed by Switch.
• The network is finely subdivided with many /19 and /20 prefixes, typical of a large-scale data center operator managing distinct customer or service segments.

This description is AI-generated, best-effort context — not authoritative, and provided without any guarantee of accuracy.

Announced prefixes

• 63.100.176.0/24
• 64.9.128.0/18
• 64.28.239.0/24
• 64.79.128.0/20
• 64.79.146.0/23
• 64.79.148.0/24
• 64.79.150.0/23
• 64.79.152.0/23
• 64.79.155.0/24
• 64.79.158.0/23
• 64.84.0.0/24
• 64.84.7.0/24
• 64.84.17.0/24
• 64.84.18.0/23
• 64.84.20.0/24
• 64.84.37.0/24
• 64.84.39.0/24
• 64.84.46.0/24
• 64.84.62.0/24
• 64.201.236.0/24
• 64.239.225.0/24
• 65.169.144.0/24
• 66.116.96.0/20
• 66.116.114.0/23
• 66.116.116.0/22
• 66.116.120.0/21
• 66.209.64.0/21
• 66.209.72.0/23
• 66.209.75.0/24
• 66.209.76.0/22
• 66.209.80.0/24
• 66.209.82.0/23
• 66.209.84.0/23
• 66.209.87.0/24
• 66.209.88.0/22
• 66.209.95.0/24
• 69.48.148.0/24
• 69.194.128.0/23
• 69.194.131.0/24
• 69.194.132.0/22
• 69.194.136.0/23
• 69.194.139.0/24
• 69.194.140.0/22
• 74.120.240.0/21
• 74.122.224.0/21
• 100.42.120.0/24
• 104.167.208.0/22
• 104.244.28.0/22
• 107.191.176.0/23
• 107.191.178.0/24
• 107.191.180.0/24
• 107.191.183.0/24
• 107.191.188.0/24
• 136.179.0.0/17
• 136.179.131.0/24
• 136.179.132.0/22
• 136.179.136.0/21
• 136.179.144.0/20
• 136.179.160.0/19
• 136.179.192.0/18
• 139.60.96.0/23
• 139.138.49.0/24
• 143.223.174.0/24
• 155.130.0.0/21
• 155.130.8.0/22
• 155.130.12.0/23
• 155.130.14.0/24
• 155.130.16.0/21
• 155.130.24.0/23
• 155.130.27.0/24
• 155.130.28.0/22
• 155.130.32.0/19
• 155.130.64.0/21
• 155.130.73.0/24
• 155.130.74.0/23
• 155.130.76.0/22
• 155.130.80.0/20
• 155.130.96.0/19
• 155.130.128.0/21
• 155.130.137.0/24
• 155.130.138.0/23
• 155.130.140.0/22
• 155.130.144.0/20
• 155.130.160.0/19
• 155.130.192.0/21
• 155.130.204.0/22
• 155.130.208.0/21
• 155.130.224.0/19
• 156.20.172.0/22
• 160.231.200.0/21
• 162.0.153.0/24
• 167.94.149.0/24
• 167.94.154.0/24
• 168.245.159.0/24
• 170.39.10.0/24
• 170.62.188.0/23
• 170.136.0.0/22
• 170.136.108.0/24
• 170.136.110.0/24
• 170.136.112.0/24

and 110 more.

Upstream networks

• AS3356 Level 3 Parent, LLC
• AS1299 Arelion Sweden AB
• AS7018 AT&T Enterprises, LLC
• AS701 Verizon Business
• AS7029 Windstream Communications LLC

Downstream networks

• AS11192 SMART CITY NETWORKS, LIMITED PARTNERSHIP
• AS26914 Synoptek, LLC
• AS16417 Cisco Systems Ironport Division
• AS46746 NTT Managed Services Americas, LLC
• AS13720 Daybreak Game Company LLC
• AS7726 FedEx Internet Technologies Corporation
• AS20062 WASTE MANAGEMENT INC.
• AS127 Jet Propulsion Laboratory
• AS393340 Cox Enterprises Inc
• AS3614 Dell, Inc.
• AS10487 Simple Network Communications, Inc
• AS16667 MGM Resorts International Operations, Inc.
• AS395349 Cloudsafe, Ltd.
• AS12075 Jacobs Engineering Group Inc.
• AS10982 TiVo, Inc.
• AS46263 e-Dialog, Inc
• AS33398 Miva Merchant, Inc.
• AS55143 Nexus Technologies, LLC
• AS393906 TSI
• AS40619 Clark County, Nevada
• AS32969 Everi Payments Inc.
• AS398885 Aerwave, Inc.
• AS55248 Whoa Networks Inc
• AS27646 Copart, Inc
• AS62914 Mattress Firm, Inc.

Adjacent networks

• AS3356 Level 3 Parent, LLC
• AS1299 Arelion Sweden AB
• AS7018 AT&T Enterprises, LLC
• AS11192 SMART CITY NETWORKS, LIMITED PARTNERSHIP
• AS701 Verizon Business
• AS26914 Synoptek, LLC
• AS16417 Cisco Systems Ironport Division
• AS46746 NTT Managed Services Americas, LLC
• AS13720 Daybreak Game Company LLC
• AS7726 FedEx Internet Technologies Corporation
• AS20062 WASTE MANAGEMENT INC.
• AS127 Jet Propulsion Laboratory
• AS393340 Cox Enterprises Inc
• AS7029 Windstream Communications LLC
• AS3614 Dell, Inc.
• AS10487 Simple Network Communications, Inc
• AS16667 MGM Resorts International Operations, Inc.
• AS395349 Cloudsafe, Ltd.
• AS12075 Jacobs Engineering Group Inc.
• AS10982 TiVo, Inc.
• AS46263 e-Dialog, Inc
• AS33398 Miva Merchant, Inc.
• AS55143 Nexus Technologies, LLC
• AS393906 TSI
• AS40619 Clark County, Nevada