$ query “AS16905” --type=asn → 1 result(s)
AS16905 — LEARN-RESEARCH
LEARN
AS16905 is a mid-size transit provider operated by LEARN, based in the United States since 2000. The network announces 1 280 IPv4 addresses. Supports IPv6.
- Top 5% — Top 5% of all autonomous systems by reach and degree
Basic Information
- Country
- 🇺🇸 United States
- Category
- Education/Research
- Network Role
- Mid-size Transit
- Data Origin
- Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
- Registered
- June 28, 2000
- Last Changed
- March 04, 2026
- Last Seen
- March 05, 2026
Prefix Summary
- IPv4 Prefixes (raw / aggregated)
- 5 / 4
- IPv6 Prefixes (raw / aggregated)
- 2 / 2
- IPv4 Addresses
- 1 280
- Largest IPv4 Prefix
- /23 (512 addresses)
- Largest IPv6 Prefix
- /48
- Geolocated Countries
- 🇺🇸 US (4 IPs)
- Prefix Changed
- March 04, 2026
Reputation
- Reputation
- Pristine — 0 flagged IPs out of 1 280 total (0.00%)
Connectivity Summary
- Upstream Providers
- 1 upstream autonomous systems providing transit
- Peers
- 4 autonomous systems exchanging traffic without transit fees
- Downstream Customers
- 28 downstream autonomous systems buying transit
- Degree
- 33 unique BGP neighbors (providers + customers + peers)
- Reach
- 48 — customer cone size measuring network influence
- Degree Rank
- #4 248
- Reach Rank
- #1 529
Upstream Providers (1)
- AS11537 — INTERNET2-RESEARCH-EDU
Prefix Lists
IPv4 Prefixes (5 total)
- 74.200.186.0/23 (512 addresses)
- 74.200.148.0/24 (256 addresses)
- 74.200.150.0/24 (256 addresses)
- 74.200.179.0/24 (256 addresses)
IPv6 Prefixes (2 total)
- 2607:f928:2::/48
- 2607:f928:12::/48