$ query “AS19257” --type=asn → 1 result(s)

AS19257 · SUBRIGO

SUBRIGO CORPORATION

AS19257 is owned by SUBRIGO CORPORATION and is a mid-size transit provider, based in the United States since 2010. The system announces a respectable 18 944 IPv4 addresses, and supports IPv6. Most of its address space is geolocated to the United States, with additional presence in the Philippines.

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

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
March 03, 2010
Last Changed
October 01, 2026
Last Seen
October 10, 2026 (active)

Prefix Summary

IPv4 Prefixes (raw / aggregated)
39 / 24
IPv6 Prefixes (raw / aggregated)
1 / 1
IPv4 Addresses
18 944
Largest IPv4 Prefix
/19 (8 192 addresses)
Largest IPv6 Prefix
/32
Geolocated Countries
🇺🇸 United States (18 912 IPs), 🇵🇭 Philippines (32 IPs)
Prefix Changed
September 18, 2026

Reputation

Reputation
Pristine — 0 flagged IPs

Connectivity Summary

Upstream Providers
2 upstreams providing transit
Peers
27 networks exchanging traffic without transit
Downstream Customers
8 downstreams buying transit
Degree
37 unique BGP neighbors
Reach
11 networks in customer cone

Upstream Providers (2)

  • AS174 — COGENT-174 (Tier-1 transit)
  • AS2914 — NTT-DATA-2914 (Tier-1 transit)

Prefix Lists

IPv4 Prefixes (39 total)

  • 138.229.64.0/19 (8 192 addresses (/19 prefix))
  • 107.150.184.0/21 (2 048 addresses (/21 prefix))
  • 107.150.180.0/22 (1 024 addresses (/22 prefix))
  • 199.180.152.0/22 (1 024 addresses (/22 prefix))
  • 23.252.64.0/23 (512 addresses (/23 prefix))
  • 65.171.146.0/23 (512 addresses (/23 prefix))
  • 104.255.150.0/23 (512 addresses (/23 prefix))
  • 107.150.160.0/23 (512 addresses (/23 prefix))
  • 199.180.156.0/23 (512 addresses (/23 prefix))
  • 216.193.226.0/23 (512 addresses (/23 prefix))
  • 23.252.69.0/24 (256 addresses (/24 prefix))
  • 23.252.70.0/24 (256 addresses (/24 prefix))
  • 23.252.73.0/24 (256 addresses (/24 prefix))
  • 23.252.74.0/24 (256 addresses (/24 prefix))
  • 23.252.77.0/24 (256 addresses (/24 prefix))
  • 23.252.78.0/24 (256 addresses (/24 prefix))
  • 66.212.26.0/24 (256 addresses (/24 prefix))
  • 72.37.136.0/24 (256 addresses (/24 prefix))
  • 72.37.159.0/24 (256 addresses (/24 prefix))
  • 104.255.149.0/24 (256 addresses (/24 prefix))
  • 162.222.91.0/24 (256 addresses (/24 prefix))
  • 162.222.92.0/24 (256 addresses (/24 prefix))
  • 162.222.94.0/24 (256 addresses (/24 prefix))
  • 199.180.158.0/24 (256 addresses (/24 prefix))

IPv6 Prefixes (1 total)

  • 2605:1880::/32