$ query “AS12025” --type=asn → 1 result(s)

AS12025 · IMDC-AS12025

Iron Mountain Data Center

AS12025 is run by Iron Mountain Data Center and is a major transit provider, registered in the United States since 2007. The system announces a solid 129 792 IPv4 addresses, and supports IPv6. Its primary geographic footprint is in the United States, with additional presence in Germany and the Netherlands, and a smaller footprint in another country. This AS's prefix announcements have been recently modified.

  • Top 5% — Top 5% of all autonomous systems by reach and degree

Basic Information

Country
🇺🇸 United States
Category
Hosting
Network Role
Major Transit
Data Origin
Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
Registered
May 30, 2007
Last Changed
April 01, 2026
Last Seen
April 29, 2026 (active)

Prefix Summary

IPv4 Prefixes (raw / aggregated)
151 / 41
IPv6 Prefixes (raw / aggregated)
615 / 5
IPv4 Addresses
129 792
Largest IPv4 Prefix
/17 (32 768 addresses)
Largest IPv6 Prefix
/32
Geolocated Countries
🇺🇸 United States (170 240 IPs), 🇩🇪 Germany (256 IPs), 🇳🇱 Netherlands (176 IPs) and 1 more
Prefix Changed
April 28, 2026

Reputation

Reputation
Good — 1 flagged IPs out of 129 792 total (0.00%)

Connectivity Summary

Upstream Providers
7 upstreams providing transit
Peers
2 networks exchanging traffic without transit
Downstream Customers
90 downstreams buying transit
Unclassified
2 unclassified BGP neighbors
Degree
101 unique BGP neighbors
Reach
101 networks in customer cone

Upstream Providers (7)

  • AS6939 — HURRICANE
  • AS174 — COGENT-174 (Tier-1 transit)
  • AS3356 — LEVEL3 (Tier-1 transit)
  • AS6461 — ZAYO-6461 (Tier-1 transit)
  • AS1299 — TWELVE99 (Tier-1 transit)
  • AS8220 — COLT
  • AS3549 — LVLT-3549

Prefix Lists

IPv4 Prefixes (151 total)

  • 148.51.128.0/17 (32 768 addresses (/17 prefix))
  • 138.207.64.0/18 (16 384 addresses (/18 prefix))
  • 174.128.0.0/18 (16 384 addresses (/18 prefix))
  • 72.44.192.0/18 (16 384 addresses (/18 prefix))
  • 66.35.32.0/19 (8 192 addresses (/19 prefix))
  • 74.206.96.0/19 (8 192 addresses (/19 prefix))
  • 205.235.80.0/20 (4 096 addresses (/20 prefix))
  • 69.71.48.0/20 (4 096 addresses (/20 prefix))
  • 8.30.192.0/21 (2 048 addresses (/21 prefix))
  • 8.36.32.0/21 (2 048 addresses (/21 prefix))
  • 173.195.80.0/22 (1 024 addresses (/22 prefix))
  • 204.86.116.0/22 (1 024 addresses (/22 prefix))
  • 135.84.108.0/22 (1 024 addresses (/22 prefix))
  • 104.193.44.0/22 (1 024 addresses (/22 prefix))
  • 104.153.188.0/22 (1 024 addresses (/22 prefix))
  • 199.122.28.0/22 (1 024 addresses (/22 prefix))
  • 162.223.160.0/22 (1 024 addresses (/22 prefix))
  • 162.252.176.0/22 (1 024 addresses (/22 prefix))
  • 199.96.124.0/22 (1 024 addresses (/22 prefix))
  • 199.48.80.0/22 (1 024 addresses (/22 prefix))
  • 198.199.52.0/22 (1 024 addresses (/22 prefix))
  • 173.195.92.0/22 (1 024 addresses (/22 prefix))
  • 204.57.222.0/23 (512 addresses (/23 prefix))
  • 208.66.140.0/23 (512 addresses (/23 prefix))
  • 192.163.22.0/23 (512 addresses (/23 prefix))
  • 8.12.246.0/23 (512 addresses (/23 prefix))
  • 208.66.136.0/23 (512 addresses (/23 prefix))
  • 170.52.44.0/23 (512 addresses (/23 prefix))
  • 165.140.254.0/23 (512 addresses (/23 prefix))
  • 50.59.152.0/23 (512 addresses (/23 prefix))
  • 199.7.215.0/24 (256 addresses (/24 prefix))
  • 199.175.241.0/24 (256 addresses (/24 prefix))
  • 136.228.184.0/24 (256 addresses (/24 prefix))
  • 205.159.93.0/24 (256 addresses (/24 prefix))
  • 155.63.88.0/24 (256 addresses (/24 prefix))
  • 72.22.108.0/24 (256 addresses (/24 prefix))
  • 192.135.109.0/24 (256 addresses (/24 prefix))
  • 208.74.224.0/24 (256 addresses (/24 prefix))
  • 216.229.148.0/24 (256 addresses (/24 prefix))
  • 216.229.151.0/24 (256 addresses (/24 prefix))
  • 216.229.155.0/24 (256 addresses (/24 prefix))

IPv6 Prefixes (615 total)

  • 2605:3380::/32
  • 2607:2f00::/32
  • 2607:a500::/32
  • 2620:34:a000::/48
  • 2620:111:d014::/48