$ query “AS10578” --type=asn → 1 result(s)

AS10578 — GIGAPOP-NE

Harvard University

AS10578 is a mid-size transit provider registered to Harvard University, established in the United States in 1997. The network announces a respectable 24 832 IPv4 addresses. Supports IPv6.

  • Pioneer — Registered before the year 2000

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
September 19, 1997
Last Changed
March 04, 2026
Last Seen
March 05, 2026

Prefix Summary

IPv4 Prefixes (raw / aggregated)
4 / 4
IPv6 Prefixes (raw / aggregated)
7 / 5
IPv4 Addresses
24 832
Largest IPv4 Prefix
/19 (8 192 addresses)
Largest IPv6 Prefix
/36
Geolocated Countries
🇺🇸 US (4 IPs)
Prefix Changed
March 04, 2026

Reputation

Reputation
Pristine — 0 flagged IPs out of 24 832 total (0.00%)

Connectivity Summary

Upstream Providers
3 upstream autonomous systems providing transit
Peers
3 autonomous systems exchanging traffic without transit fees
Downstream Customers
15 downstream autonomous systems buying transit
Degree
21 unique BGP neighbors (providers + customers + peers)
Reach
24 — customer cone size measuring network influence
Degree Rank
#7 320
Reach Rank
#2 090

Upstream Providers (3)

  • AS174 — COGENT-174 (Tier-1 transit)
  • AS11164 — INTERNET2-I2PX (Tier-1 transit)
  • AS11537 — INTERNET2-RESEARCH-EDU

Prefix Lists

IPv4 Prefixes (4 total)

  • 18.2.0.0/19 (8 192 addresses)
  • 18.2.128.0/19 (8 192 addresses)
  • 18.2.192.0/19 (8 192 addresses)
  • 192.5.89.0/24 (256 addresses)

IPv6 Prefixes (7 total)

  • 2603:40ff:2000::/36
  • 2603:40ff:4000::/36
  • 2603:40ff:6000::/36
  • 2001:468:600::/40
  • 2001:504:2e::/48