$ query “AS18530” --type=asn → 1 result(s)

AS18530 · ISOMEDIA-1

Isomedia Inc.

AS18530 is run by Isomedia Inc. and is a mid-size transit provider, established in the United States in 2000. The system announces a respectable 68 608 IPv4 addresses, and supports IPv6. Its primary geographic footprint is in the United States, with additional presence in Canada and Israel, and a smaller footprint in another country.

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

Basic Information

Country
🇺🇸 United States
Category
Internet Service Provider
Network Role
Mid-size Transit
Data Origin
Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
Registered
September 08, 2000
Last Changed
March 04, 2026
Last Seen
April 30, 2026 (active)

Prefix Summary

IPv4 Prefixes (raw / aggregated)
80 / 38
IPv6 Prefixes (raw / aggregated)
5 / 1
IPv4 Addresses
68 608
Largest IPv4 Prefix
/18 (16 384 addresses)
Largest IPv6 Prefix
/32
Geolocated Countries
🇺🇸 United States (102 144 IPs), 🇨🇦 Canada (1 120 IPs), 🇮🇱 Israel (16 IPs) and 1 more
Prefix Changed
March 04, 2026

Reputation

Reputation
Pristine — 0 flagged IPs

Connectivity Summary

Upstream Providers
8 upstreams providing transit
Peers
20 networks exchanging traffic without transit
Downstream Customers
12 downstreams buying transit
Unclassified
1 unclassified BGP neighbor
Degree
41 unique BGP neighbors
Reach
33 networks in customer cone

Upstream Providers (8)

  • AS6939 — HURRICANE
  • AS174 — COGENT-174 (Tier-1 transit)
  • AS3356 — LEVEL3 (Tier-1 transit)
  • AS6461 — ZAYO-6461 (Tier-1 transit)
  • AS21859 — ZEN-ECN
  • AS52025 — PARADOXNETWORKS-LIMITED
  • AS209 — CENTURYLINK-US-LEGACY-QWEST
  • AS11404 — AS-WAVE-1

Prefix Lists

IPv4 Prefixes (80 total)

  • 64.38.128.0/18 (16 384 addresses (/18 prefix))
  • 206.124.128.0/19 (8 192 addresses (/19 prefix))
  • 216.9.0.0/19 (8 192 addresses (/19 prefix))
  • 66.114.128.0/19 (8 192 addresses (/19 prefix))
  • 207.115.64.0/19 (8 192 addresses (/19 prefix))
  • 204.15.224.0/21 (2 048 addresses (/21 prefix))
  • 208.99.216.0/21 (2 048 addresses (/21 prefix))
  • 208.99.192.0/21 (2 048 addresses (/21 prefix))
  • 199.66.140.0/22 (1 024 addresses (/22 prefix))
  • 199.181.164.0/22 (1 024 addresses (/22 prefix))
  • 208.99.208.0/22 (1 024 addresses (/22 prefix))
  • 208.99.204.0/22 (1 024 addresses (/22 prefix))
  • 206.129.112.0/22 (1 024 addresses (/22 prefix))
  • 208.99.214.0/23 (512 addresses (/23 prefix))
  • 208.99.202.0/23 (512 addresses (/23 prefix))
  • 204.13.166.0/23 (512 addresses (/23 prefix))
  • 204.14.122.0/23 (512 addresses (/23 prefix))
  • 38.76.240.0/23 (512 addresses (/23 prefix))
  • 206.129.6.0/23 (512 addresses (/23 prefix))
  • 206.40.158.0/23 (512 addresses (/23 prefix))
  • 199.201.137.0/24 (256 addresses (/24 prefix))
  • 206.40.133.0/24 (256 addresses (/24 prefix))
  • 206.129.5.0/24 (256 addresses (/24 prefix))
  • 204.128.133.0/24 (256 addresses (/24 prefix))
  • 206.129.8.0/24 (256 addresses (/24 prefix))
  • 204.13.165.0/24 (256 addresses (/24 prefix))
  • 207.14.34.0/24 (256 addresses (/24 prefix))
  • 204.8.34.0/24 (256 addresses (/24 prefix))
  • 204.8.32.0/24 (256 addresses (/24 prefix))
  • 208.99.200.0/24 (256 addresses (/24 prefix))
  • 199.245.214.0/24 (256 addresses (/24 prefix))
  • 199.242.244.0/24 (256 addresses (/24 prefix))
  • 199.181.168.0/24 (256 addresses (/24 prefix))
  • 208.99.212.0/24 (256 addresses (/24 prefix))
  • 198.51.194.0/24 (256 addresses (/24 prefix))
  • 192.150.44.0/24 (256 addresses (/24 prefix))
  • 46.243.160.0/24 (256 addresses (/24 prefix))
  • 216.18.239.0/24 (256 addresses (/24 prefix))

IPv6 Prefixes (5 total)

  • 2001:560::/32