$ query “AS27563” --type=asn → 1 result(s)

AS27563 · SEGRA-UNITY

Spirit Communications

AS27563 is owned by Spirit Communications and is a mid-size transit provider, based in the United States since 2003. The system announces a respectable 25 600 IPv4 addresses, and supports IPv6. The bulk of its IP address space is in the United States.

Basic Information

Country
🇺🇸 United States
Category
Hosting
Network Role
Mid-size Transit
Data Origin
Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
Registered
April 02, 2003
Last Changed
May 01, 2026
Last Seen
October 23, 2026 (active)

Prefix Summary

IPv4 Prefixes (raw / aggregated)
36 / 32
IPv6 Prefixes (raw / aggregated)
6 / 5
IPv4 Addresses
25 600
Largest IPv4 Prefix
/18 (16 384 addresses)
Largest IPv6 Prefix
/47
Geolocated Countries
🇺🇸 United States (25 600 IPs)
Prefix Changed
October 14, 2026

Reputation

Reputation
Pristine — 0 flagged IPs

Connectivity Summary

Upstream Providers
3 upstreams providing transit
Peers
3 networks exchanging traffic without transit
Downstream Customers
12 downstreams buying transit
Unclassified
4 unclassified BGP neighbors
Degree
22 unique BGP neighbors
Reach
36 networks in customer cone

Upstream Providers (3)

  • AS174 — COGENT-174 (Tier-1 transit)
  • AS1299 — TWELVE99 (Tier-1 transit)
  • AS3257 — GTT-BACKBONE (Tier-1 transit)

Prefix Lists

IPv4 Prefixes (36 total)

  • 206.219.128.0/18 (16 384 addresses (/18 prefix))
  • 165.166.98.0/23 (512 addresses (/23 prefix))
  • 206.74.32.0/23 (512 addresses (/23 prefix))
  • 206.74.68.0/23 (512 addresses (/23 prefix))
  • 206.74.80.0/23 (512 addresses (/23 prefix))
  • 207.144.30.0/23 (512 addresses (/23 prefix))
  • 64.53.81.0/24 (256 addresses (/24 prefix))
  • 64.53.103.0/24 (256 addresses (/24 prefix))
  • 199.4.246.0/24 (256 addresses (/24 prefix))
  • 204.116.20.0/24 (256 addresses (/24 prefix))
  • 204.116.41.0/24 (256 addresses (/24 prefix))
  • 204.116.67.0/24 (256 addresses (/24 prefix))
  • 204.116.74.0/24 (256 addresses (/24 prefix))
  • 204.116.126.0/24 (256 addresses (/24 prefix))
  • 204.116.214.0/24 (256 addresses (/24 prefix))
  • 204.116.220.0/24 (256 addresses (/24 prefix))
  • 206.74.16.0/24 (256 addresses (/24 prefix))
  • 206.74.19.0/24 (256 addresses (/24 prefix))
  • 206.74.38.0/24 (256 addresses (/24 prefix))
  • 206.74.66.0/24 (256 addresses (/24 prefix))
  • 206.74.199.0/24 (256 addresses (/24 prefix))
  • 206.74.209.0/24 (256 addresses (/24 prefix))
  • 206.74.237.0/24 (256 addresses (/24 prefix))
  • 206.74.238.0/24 (256 addresses (/24 prefix))
  • 207.144.7.0/24 (256 addresses (/24 prefix))
  • 207.144.26.0/24 (256 addresses (/24 prefix))
  • 207.144.93.0/24 (256 addresses (/24 prefix))
  • 207.144.94.0/24 (256 addresses (/24 prefix))
  • 207.144.106.0/24 (256 addresses (/24 prefix))
  • 207.144.136.0/24 (256 addresses (/24 prefix))
  • 207.144.154.0/24 (256 addresses (/24 prefix))
  • 207.144.244.0/24 (256 addresses (/24 prefix))

IPv6 Prefixes (6 total)

  • 2607:fc68:28::/47
  • 2607:fc68:22::/48
  • 2607:fc68:24::/48
  • 2607:fc68:27::/48
  • 2607:fc68:39::/48