$ query “AS27501” --type=asn → 1 result(s)
AS27501 — ISPNET-AS
isp.net
AS27501 is a residential access provider registered to isp.net, registered in the United States since 2007. The network announces a respectable 37 376 IPv4 addresses. No IPv6 support — it's 2026, just saying.
Basic Information
- Country
- 🇺🇸 United States
- Category
- Internet Service Provider
- Network Role
- Access Provider
- Data Origin
- Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
- Registered
- December 05, 2007
- Last Changed
- March 04, 2026
- Last Seen
- March 05, 2026
Prefix Summary
- IPv4 Prefixes (raw / aggregated)
- 38 / 15
- IPv6 Prefixes (raw / aggregated)
- 0 / 0
- IPv4 Addresses
- 37 376
- Largest IPv4 Prefix
- /19 (8 192 addresses)
- Geolocated Countries
- 🇺🇸 US (12 IPs), 🇿🇿 ZZ (6 IPs)
- Prefix Changed
- March 05, 2026
Reputation
- Reputation
- Pristine — 0 flagged IPs out of 37 376 total (0.00%)
Connectivity Summary
- Upstream Providers
- 4 upstream autonomous systems providing transit
- Peers
- 0 autonomous systems exchanging traffic without transit fees
- Downstream Customers
- 2 downstream autonomous systems buying transit
- Degree
- 6 unique BGP neighbors (providers + customers + peers)
- Reach
- 2 — customer cone size measuring network influence
- Degree Rank
- #13 932
- Reach Rank
- #6 611
Upstream Providers (4)
Prefix Lists
IPv4 Prefixes (38 total)
- 64.250.224.0/19 (8 192 addresses)
- 148.170.64.0/19 (8 192 addresses)
- 64.72.96.0/20 (4 096 addresses)
- 199.88.32.0/20 (4 096 addresses)
- 74.113.216.0/21 (2 048 addresses)
- 209.51.40.0/21 (2 048 addresses)
- 103.25.144.0/22 (1 024 addresses)
- 103.78.160.0/22 (1 024 addresses)
- 103.85.232.0/22 (1 024 addresses)
- 199.88.48.0/22 (1 024 addresses)
- 199.127.116.0/22 (1 024 addresses)
- 208.95.72.0/22 (1 024 addresses)
- 208.95.108.0/22 (1 024 addresses)
- 216.127.116.0/22 (1 024 addresses)
- 208.95.78.0/23 (512 addresses)