$ query “AS4181” --type=asn → 1 result(s)

AS4181 · TDS-AS

TDS TELECOM

AS4181 belongs to TDS TELECOM and is a mid-size transit provider, based in the United States since 1994. The system announces an impressive 1.7 million IPv4 addresses, including a /14, and supports IPv6. The bulk of its IP address space is in the United States, with additional presence in Australia and Canada.

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

Basic Information

Country
🇺🇸 United States
Category
Internet Service Provider
Network Role
Mid-size Transit
Data Origin
Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
Registered
December 16, 1994
Last Changed
March 04, 2026
Last Seen
April 29, 2026 (active)

Prefix Summary

IPv4 Prefixes (raw / aggregated)
584 / 82
IPv6 Prefixes (raw / aggregated)
3 / 3
IPv4 Addresses
1 743 616
Largest IPv4 Prefix
/14 (262 144 addresses)
Largest IPv6 Prefix
/28
Geolocated Countries
🇺🇸 United States (2 370 448 IPs), 🇦🇺 Australia (7 680 IPs), 🇨🇦 Canada (16 IPs)
Prefix Changed
April 02, 2026

Reputation

Reputation
Good — 19 flagged IPs out of 1 743 616 total (0.00%)

Connectivity Summary

Upstream Providers
4 upstreams providing transit
Peers
803 networks exchanging traffic without transit
Downstream Customers
42 downstreams buying transit
Unclassified
2 unclassified BGP neighbors
Degree
851 unique BGP neighbors
Reach
44 networks in customer cone

Upstream Providers (4)

  • AS1299 — TWELVE99 (Tier-1 transit)
  • AS3257 — GTT-BACKBONE (Tier-1 transit)
  • AS52025 — PARADOXNETWORKS-LIMITED
  • AS64289 — MACARNE

Prefix Lists

IPv4 Prefixes (584 total)

  • 69.128.0.0/14 (262 144 addresses (/14 prefix))
  • 96.60.0.0/15 (131 072 addresses (/15 prefix))
  • 184.60.0.0/15 (131 072 addresses (/15 prefix))
  • 135.134.0.0/15 (131 072 addresses (/15 prefix))
  • 134.215.0.0/16 (65 536 addresses (/16 prefix))
  • 135.131.0.0/16 (65 536 addresses (/16 prefix))
  • 167.237.0.0/16 (65 536 addresses (/16 prefix))
  • 159.94.0.0/16 (65 536 addresses (/16 prefix))
  • 75.100.0.0/16 (65 536 addresses (/16 prefix))
  • 40.161.0.0/16 (65 536 addresses (/16 prefix))
  • 217.143.0.0/16 (65 536 addresses (/16 prefix))
  • 129.189.0.0/16 (65 536 addresses (/16 prefix))
  • 134.140.0.0/16 (65 536 addresses (/16 prefix))
  • 69.21.0.0/16 (65 536 addresses (/16 prefix))
  • 66.222.0.0/17 (32 768 addresses (/17 prefix))
  • 159.112.0.0/17 (32 768 addresses (/17 prefix))
  • 66.173.0.0/17 (32 768 addresses (/17 prefix))
  • 146.174.0.0/17 (32 768 addresses (/17 prefix))
  • 216.170.128.0/17 (32 768 addresses (/17 prefix))
  • 69.11.128.0/17 (32 768 addresses (/17 prefix))
  • 208.100.128.0/18 (16 384 addresses (/18 prefix))
  • 67.204.128.0/18 (16 384 addresses (/18 prefix))
  • 216.165.128.0/18 (16 384 addresses (/18 prefix))
  • 24.224.64.0/18 (16 384 addresses (/18 prefix))
  • 74.211.0.0/18 (16 384 addresses (/18 prefix))
  • 72.0.160.0/19 (8 192 addresses (/19 prefix))
  • 72.35.128.0/19 (8 192 addresses (/19 prefix))
  • 139.135.0.0/19 (8 192 addresses (/19 prefix))
  • 216.228.160.0/19 (8 192 addresses (/19 prefix))
  • 74.211.64.0/19 (8 192 addresses (/19 prefix))
  • 64.83.160.0/19 (8 192 addresses (/19 prefix))
  • 66.220.96.0/19 (8 192 addresses (/19 prefix))
  • 68.71.160.0/19 (8 192 addresses (/19 prefix))
  • 64.50.224.0/19 (8 192 addresses (/19 prefix))
  • 50.21.192.0/20 (4 096 addresses (/20 prefix))
  • 64.35.192.0/20 (4 096 addresses (/20 prefix))
  • 64.17.80.0/20 (4 096 addresses (/20 prefix))
  • 216.87.224.0/20 (4 096 addresses (/20 prefix))
  • 24.54.128.0/20 (4 096 addresses (/20 prefix))
  • 24.40.80.0/20 (4 096 addresses (/20 prefix))
  • 208.117.112.0/20 (4 096 addresses (/20 prefix))
  • 204.246.0.0/20 (4 096 addresses (/20 prefix))
  • 24.49.160.0/20 (4 096 addresses (/20 prefix))
  • 24.49.128.0/20 (4 096 addresses (/20 prefix))
  • 24.49.96.0/20 (4 096 addresses (/20 prefix))
  • 67.217.8.0/21 (2 048 addresses (/21 prefix))
  • 24.75.192.0/21 (2 048 addresses (/21 prefix))
  • 24.52.0.0/21 (2 048 addresses (/21 prefix))
  • 208.73.88.0/21 (2 048 addresses (/21 prefix))
  • 204.15.56.0/21 (2 048 addresses (/21 prefix))
  • and 32 more

IPv6 Prefixes (3 total)

  • 2600:3400::/28
  • 2604:ad00::/32
  • 2610:1f0::/32