Autonomous System
AS12257 Dell, Inc.
BusinessActiveUnited StatesARIN
AS12257 (EMC-AS12257) is a business network operated by Dell, Inc. in United States, registered with ARIN. It has 63 IPv4 prefixes with 16,128 addresses and 5 IPv6 prefixes, which makes it the 7,955th largest of 82,200 active autonomous systems by IPv4 space.
IPv4 addresses16,128in 63 prefixes
IPv6 prefixes5≈ 1.2 × 10²⁷ addresses
Size rank#7,955of 82,200 active ASNs
Details
OrganizationDell, Inc.
AS nameEMC-AS12257
Websitedell.com
Country United States (US)
Network typeBusiness
RegistryARIN
Abuse contactipregistrars.abuse@dell.com
Registered1999-05-03
Last updated2023-03-20
IPv4 prefixes
63 prefixes · 16,128 addresses| Network | Addresses | First – last address |
|---|---|---|
| 12.7.200.0/24 | 256 | 12.7.200.0 – 12.7.200.255 |
| 128.221.208.0/24 | 256 | 128.221.208.0 – 128.221.208.255 |
| 128.221.209.0/24 | 256 | 128.221.209.0 – 128.221.209.255 |
| 128.221.212.0/24 | 256 | 128.221.212.0 – 128.221.212.255 |
| 128.221.213.0/24 | 256 | 128.221.213.0 – 128.221.213.255 |
| 128.221.214.0/24 | 256 | 128.221.214.0 – 128.221.214.255 |
| 128.221.215.0/24 | 256 | 128.221.215.0 – 128.221.215.255 |
| 128.221.216.0/24 | 256 | 128.221.216.0 – 128.221.216.255 |
| 128.221.217.0/24 | 256 | 128.221.217.0 – 128.221.217.255 |
| 128.221.218.0/24 | 256 | 128.221.218.0 – 128.221.218.255 |
| 128.221.219.0/24 | 256 | 128.221.219.0 – 128.221.219.255 |
| 128.221.220.0/24 | 256 | 128.221.220.0 – 128.221.220.255 |
| 128.221.221.0/24 | 256 | 128.221.221.0 – 128.221.221.255 |
| 128.221.222.0/24 | 256 | 128.221.222.0 – 128.221.222.255 |
| 128.221.223.0/24 | 256 | 128.221.223.0 – 128.221.223.255 |
| 128.221.224.0/24 | 256 | 128.221.224.0 – 128.221.224.255 |
| 128.221.225.0/24 | 256 | 128.221.225.0 – 128.221.225.255 |
| 128.221.226.0/24 | 256 | 128.221.226.0 – 128.221.226.255 |
| 128.221.227.0/24 | 256 | 128.221.227.0 – 128.221.227.255 |
| 128.221.228.0/24 | 256 | 128.221.228.0 – 128.221.228.255 |
| 128.221.230.0/24 | 256 | 128.221.230.0 – 128.221.230.255 |
| 128.221.231.0/24 | 256 | 128.221.231.0 – 128.221.231.255 |
| 128.221.232.0/24 | 256 | 128.221.232.0 – 128.221.232.255 |
| 128.221.233.0/24 | 256 | 128.221.233.0 – 128.221.233.255 |
| 128.221.235.0/24 | 256 | 128.221.235.0 – 128.221.235.255 |
12.7.200.0/24 128.221.208.0/24 128.221.209.0/24 128.221.212.0/24 128.221.213.0/24 128.221.214.0/24 128.221.215.0/24 128.221.216.0/24 128.221.217.0/24 128.221.218.0/24 128.221.219.0/24 128.221.220.0/24 128.221.221.0/24 128.221.222.0/24 128.221.223.0/24 128.221.224.0/24 128.221.225.0/24 128.221.226.0/24 128.221.227.0/24 128.221.228.0/24 128.221.230.0/24 128.221.231.0/24 128.221.232.0/24 128.221.233.0/24 128.221.235.0/24
The 25 largest of 63. The API and the database have all of them.
IPv6 prefixes
5 prefixes- 2620:145:800::/38
- 2607:f2b1:70::/48
- 2607:f2b1:71::/48
- 2620:145:400::/48
- 2a01:6f40:f100::/48
2620:145:800::/38 2607:f2b1:70::/48 2607:f2b1:71::/48 2620:145:400::/48 2a01:6f40:f100::/48
Query AS12257 with the API
The ASN lookup returns everything on this page as JSON, including every prefix. ASN lookups need an API key: a free account comes with 1,000 requests a day.
curl "https://api.ipapi.is/?q=AS12257&key=YOUR_API_KEY"
Any address in its prefixes resolves to AS12257, with or without a key:
curl "https://api.ipapi.is/?q=12.7.200.1"
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