$ query “AS11403” --type=asn → 1 result(s)

AS11403 · NYINTERNET

NYI

AS11403 is owned by NYI and is a mid-size transit provider, established in the United States in 1998. The system announces a respectable 46 848 IPv4 addresses, and supports IPv6. Its primary geographic footprint is in the United States, with additional presence in Canada and the United Kingdom.

  • Top 5% — Top 5% of all autonomous systems by reach and degree
  • Pioneer — Registered before the year 2000

Basic Information

Country
🇺🇸 United States
Category
Hosting
Network Role
Mid-size Transit
Data Origin
Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
Registered
August 11, 1998
Last Changed
March 04, 2026
Last Seen
August 26, 2026 (active)

Prefix Summary

IPv4 Prefixes (raw / aggregated)
28 / 20
IPv6 Prefixes (raw / aggregated)
4 / 1
IPv4 Addresses
46 848
Largest IPv4 Prefix
/19 (8 192 addresses)
Largest IPv6 Prefix
/31
Geolocated Countries
🇺🇸 United States (68 400 IPs), 🇨🇦 Canada (128 IPs), 🇬🇧 United Kingdom (80 IPs)
Prefix Changed
June 06, 2026

Reputation

Reputation
Good — 6 flagged IPs out of 46 848 total (0.01%)

Connectivity Summary

Upstream Providers
6 upstreams providing transit
Peers
27 networks exchanging traffic without transit
Downstream Customers
8 downstreams buying transit
Unclassified
2 unclassified BGP neighbors
Degree
43 unique BGP neighbors
Reach
74 networks in customer cone

Upstream Providers (6)

  • AS3356 — LEVEL3 (Tier-1 transit)
  • AS6461 — MFNX (Tier-1 transit)
  • AS3257 — GTT-BACKBONE (Tier-1 transit)
  • AS32097 — WHOLESALE-INTERNET
  • AS202 — CENTURYLINK-LEGACY-LVLT-202
  • AS18450 — WEBNX

Prefix Lists

IPv4 Prefixes (28 total)

  • 64.90.160.0/19 (8 192 addresses (/19 prefix))
  • 64.147.96.0/19 (8 192 addresses (/19 prefix))
  • 173.228.128.0/19 (8 192 addresses (/19 prefix))
  • 96.47.64.0/20 (4 096 addresses (/20 prefix))
  • 66.111.0.0/20 (4 096 addresses (/20 prefix))
  • 67.221.176.0/20 (4 096 addresses (/20 prefix))
  • 207.12.88.0/21 (2 048 addresses (/21 prefix))
  • 198.3.136.0/21 (2 048 addresses (/21 prefix))
  • 144.168.48.0/22 (1 024 addresses (/22 prefix))
  • 162.208.116.0/22 (1 024 addresses (/22 prefix))
  • 199.83.60.0/22 (1 024 addresses (/22 prefix))
  • 192.152.22.0/23 (512 addresses (/23 prefix))
  • 204.153.120.0/23 (512 addresses (/23 prefix))
  • 70.39.228.0/24 (256 addresses (/24 prefix))
  • 192.76.117.0/24 (256 addresses (/24 prefix))
  • 199.4.163.0/24 (256 addresses (/24 prefix))
  • 199.26.225.0/24 (256 addresses (/24 prefix))
  • 74.116.52.0/24 (256 addresses (/24 prefix))
  • 72.37.201.0/24 (256 addresses (/24 prefix))
  • 64.5.122.0/24 (256 addresses (/24 prefix))

IPv6 Prefixes (4 total)

  • 2610:1c0::/31