$ query “AS22538” --type=asn → 1 result(s)
AS22538 · ATT-SOLUTIONIBM-MSA
ATT SOLUTIONIBM - MSA
AS22538 is owned by ATT SOLUTIONIBM - MSA and is a single-homed autonomous system, based in the United States. The system announces 512 IPv4 addresses. The bulk of its IP address space is in the United States. No IPv6 support — it's 2026, just saying. Note: metadata was inferred from BGP routing observations and may be inaccurate.
Basic Information
- Country
- 🇺🇸 United States
- Data Origin
- Inferred — Metadata inferred from BGP routing observations, may be inaccurate
- Last Changed
- October 03, 2026
- Last Seen
- October 21, 2026 (active)
Prefix Summary
- IPv4 Prefixes (raw / aggregated)
- 2 / 2
- IPv6 Prefixes (raw / aggregated)
- 0 / 0
- IPv4 Addresses
- 512
- Largest IPv4 Prefix
- /24 (256 addresses)
- Geolocated Countries
- 🇺🇸 United States (512 IPs)
- Prefix Changed
- March 04, 2026
Reputation
- Reputation
- Pristine — 0 flagged IPs
Connectivity Summary
- Upstream Providers
- 1 upstream providing transit
- Degree
- 1 unique BGP neighbor
- Reach
- 0 networks in customer cone
Upstream Providers (1)
- AS7018 — ATT-INTERNET4 (Tier-1 transit)
Prefix Lists
IPv4 Prefixes (2 total)
- 12.131.3.0/24 (256 addresses (/24 prefix))
- 207.120.254.0/24 (256 addresses (/24 prefix))