$ query “AS156” --type=asn → 1 result(s)
AS156 · NORTHEASTERN-GW-AS
Northeastern University
AS156 is owned by Northeastern University and is an educational/research access provider, based in the United States since 1988. The system announces a solid 131 328 IPv4 addresses, including a /16. Its primary geographic footprint is in the United States. No IPv6 support — it's 2026, just saying.
- Pioneer — Registered before the year 2000
Basic Information
- Country
- 🇺🇸 United States
- Category
- Education/Research
- Network Role
- Access Provider
- Data Origin
- Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
- Registered
- February 01, 1988
- Last Changed
- June 01, 2026
- Last Seen
- June 08, 2026 (active)
Prefix Summary
- IPv4 Prefixes (raw / aggregated)
- 14 / 3
- IPv6 Prefixes (raw / aggregated)
- 0 / 0
- IPv4 Addresses
- 131 328
- Largest IPv4 Prefix
- /16 (65 536 addresses)
- Geolocated Countries
- 🇺🇸 United States (262 400 IPs)
- Prefix Changed
- March 04, 2026
Reputation
- Reputation
- Pristine — 0 flagged IPs
Connectivity Summary
- Upstream Providers
- 3 upstreams providing transit
- Downstream Customers
- 1 downstream buying transit
- Degree
- 4 unique BGP neighbors
- Reach
- 1 network in customer cone
Upstream Providers (3)
Prefix Lists
IPv4 Prefixes (14 total)
- 129.10.0.0/16 (65 536 addresses (/16 prefix))
- 155.33.0.0/16 (65 536 addresses (/16 prefix))
- 204.167.52.0/24 (256 addresses (/24 prefix))