$ query “AS17378” --type=asn → 1 result(s)

AS17378 · AS17378

TierPoint LLC

AS17378 is run by TierPoint LLC and is a major transit provider, registered in the United States since 2000. The system announces a solid 862 976 IPv4 addresses, including a /16, and supports IPv6. Most of its address space is geolocated to the United States, with additional presence in Australia and Canada, and smaller footprints in 5 additional countries. This AS's prefix announcements have been recently modified.

  • Top 5% — Top 5% of all autonomous systems by reach and degree

Basic Information

Country
🇺🇸 United States
Category
Hosting
Network Role
Major Transit
Data Origin
Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
Registered
August 24, 2000
Last Changed
March 04, 2026
Last Seen
May 15, 2026 (active)

Prefix Summary

IPv4 Prefixes (raw / aggregated)
400 / 197
IPv6 Prefixes (raw / aggregated)
50 / 13
IPv4 Addresses
862 976
Largest IPv4 Prefix
/16 (65 536 addresses)
Largest IPv6 Prefix
/30
Geolocated Countries
🇺🇸 United States (970 224 IPs), 🇦🇺 Australia (76 816 IPs), 🇨🇦 Canada (608 IPs) and 5 more
Prefix Changed
May 16, 2026

Reputation

Reputation
Good — 3 flagged IPs out of 862 976 total (0.00%)
Open Proxies
1 known open proxies in this network

Connectivity Summary

Upstream Providers
9 upstreams providing transit
Peers
87 networks exchanging traffic without transit
Downstream Customers
129 downstreams buying transit
Unclassified
2 unclassified BGP neighbors
Degree
227 unique BGP neighbors
Reach
147 networks in customer cone

Upstream Providers (9)

  • AS174 — COGENT (Tier-1 transit)
  • AS3356 — LEVEL3 (Tier-1 transit)
  • AS6461 — MFNX (Tier-1 transit)
  • AS3257 — GTT-BACKBONE (Tier-1 transit)
  • AS46887 — LIGHTOWER
  • AS52025 — PARADOXNETWORKS-LIMITED
  • AS22773 — ASN-CXA-ALL-CCI-22773-RDC
  • AS32097 — WHOLESALE-INTERNET
  • AS13576 — SDNW-13576

Prefix Lists

IPv4 Prefixes (400 total)

  • 146.202.0.0/16 (65 536 addresses (/16 prefix))
  • 134.172.0.0/16 (65 536 addresses (/16 prefix))
  • 149.65.0.0/16 (65 536 addresses (/16 prefix))
  • 167.25.0.0/16 (65 536 addresses (/16 prefix))
  • 144.202.128.0/17 (32 768 addresses (/17 prefix))
  • 40.143.128.0/17 (32 768 addresses (/17 prefix))
  • 72.249.0.0/17 (32 768 addresses (/17 prefix))
  • 207.154.0.0/18 (16 384 addresses (/18 prefix))
  • 156.21.128.0/18 (16 384 addresses (/18 prefix))
  • 207.210.192.0/18 (16 384 addresses (/18 prefix))
  • 207.232.192.0/18 (16 384 addresses (/18 prefix))
  • 216.27.0.0/18 (16 384 addresses (/18 prefix))
  • 206.123.64.0/18 (16 384 addresses (/18 prefix))
  • 40.142.64.0/18 (16 384 addresses (/18 prefix))
  • 40.143.0.0/18 (16 384 addresses (/18 prefix))
  • 173.237.128.0/18 (16 384 addresses (/18 prefix))
  • 65.99.192.0/18 (16 384 addresses (/18 prefix))
  • 72.249.128.0/18 (16 384 addresses (/18 prefix))
  • 174.136.0.0/18 (16 384 addresses (/18 prefix))
  • 69.26.96.0/19 (8 192 addresses (/19 prefix))
  • 65.61.96.0/19 (8 192 addresses (/19 prefix))
  • 69.147.160.0/19 (8 192 addresses (/19 prefix))
  • 216.150.128.0/19 (8 192 addresses (/19 prefix))
  • 63.246.0.0/19 (8 192 addresses (/19 prefix))
  • 40.143.96.0/19 (8 192 addresses (/19 prefix))
  • 216.58.224.0/19 (8 192 addresses (/19 prefix))
  • 72.29.96.0/19 (8 192 addresses (/19 prefix))
  • 69.166.128.0/19 (8 192 addresses (/19 prefix))
  • 74.213.128.0/19 (8 192 addresses (/19 prefix))
  • 68.171.128.0/19 (8 192 addresses (/19 prefix))
  • 66.45.160.0/19 (8 192 addresses (/19 prefix))
  • 216.27.64.0/19 (8 192 addresses (/19 prefix))
  • 40.142.32.0/19 (8 192 addresses (/19 prefix))
  • 66.203.64.0/19 (8 192 addresses (/19 prefix))
  • 209.59.0.0/19 (8 192 addresses (/19 prefix))
  • 216.48.112.0/20 (4 096 addresses (/20 prefix))
  • 66.206.192.0/20 (4 096 addresses (/20 prefix))
  • 67.212.128.0/20 (4 096 addresses (/20 prefix))
  • 67.216.64.0/20 (4 096 addresses (/20 prefix))
  • 67.221.224.0/20 (4 096 addresses (/20 prefix))
  • 216.46.48.0/20 (4 096 addresses (/20 prefix))
  • 68.168.80.0/20 (4 096 addresses (/20 prefix))
  • 66.36.16.0/20 (4 096 addresses (/20 prefix))
  • 69.7.224.0/20 (4 096 addresses (/20 prefix))
  • 63.131.224.0/20 (4 096 addresses (/20 prefix))
  • 69.40.208.0/20 (4 096 addresses (/20 prefix))
  • 207.254.208.0/20 (4 096 addresses (/20 prefix))
  • 98.142.80.0/20 (4 096 addresses (/20 prefix))
  • 40.143.80.0/20 (4 096 addresses (/20 prefix))
  • 40.142.16.0/20 (4 096 addresses (/20 prefix))

IPv6 Prefixes (50 total)

  • 2600:2c00::/30
  • 2606:a700::/32
  • 2001:4970::/32
  • 2604:7e00::/32
  • 2604:7f80::/32
  • 2001:19b8::/32
  • 2607:f1d0::/32
  • 2607:f3f8::/32
  • 2607:fc38::/32
  • 2607:fdb8::/32
  • 2605:7700::/48
  • 2620:5f:4000::/48
  • 2620:c3:a000::/48