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

AS11403 · NYINTERNET

NYI

AS11403 is owned by NYI and is a mid-size transit provider, based in the United States since 1998. The system announces a respectable 47 104 IPv4 addresses, and supports IPv6. The bulk of its IP address space is in the United States, with additional presence in Canada and the United Kingdom. Prefix announcements for this AS were recently updated.

  • 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
May 04, 2026 (active)

Prefix Summary

IPv4 Prefixes (raw / aggregated)
29 / 21
IPv6 Prefixes (raw / aggregated)
4 / 1
IPv4 Addresses
47 104
Largest IPv4 Prefix
/19 (8 192 addresses)
Largest IPv6 Prefix
/31
Geolocated Countries
🇺🇸 United States (58 624 IPs), 🇨🇦 Canada (128 IPs), 🇬🇧 United Kingdom (80 IPs)
Prefix Changed
May 05, 2026

Reputation

Reputation
Good — 1 flagged IPs out of 47 104 total (0.00%)

Connectivity Summary

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

Upstream Providers (6)

  • AS3356 — LEVEL3 (Tier-1 transit)
  • AS6461 — ZAYO-6461 (Tier-1 transit)
  • AS3257 — GTT-BACKBONE (Tier-1 transit)
  • AS57304 — RETNRU-AS
  • AS202 — CENTURYLINK-LEGACY-LVLT-202
  • AS18450 — WEBNX

Prefix Lists

IPv4 Prefixes (29 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))
  • 199.15.100.0/24 (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