$ query “AS6181” --type=asn → 1 result(s)

AS6181 · FUSE-NET

Cincinnati Bell Telephone Company LLC

AS6181 is owned by Cincinnati Bell Telephone Company LLC and is a mid-size transit provider, established in the United States in 1995. The system announces a solid 759 552 IPv4 addresses, including a /16, and supports IPv6. The bulk of its IP address space is in the United States, with additional presence in Australia.

  • 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 21, 1995
Last Changed
March 04, 2026
Last Seen
April 30, 2026 (active)

Prefix Summary

IPv4 Prefixes (raw / aggregated)
107 / 35
IPv6 Prefixes (raw / aggregated)
2 / 2
IPv4 Addresses
759 552
Largest IPv4 Prefix
/16 (65 536 addresses)
Largest IPv6 Prefix
/28
Geolocated Countries
🇺🇸 United States (1 051 904 IPs), 🇦🇺 Australia (2 816 IPs)
Prefix Changed
March 04, 2026

Reputation

Reputation
Good — 21 flagged IPs out of 759 552 total (0.00%)
Open Proxies
5 known open proxies in this network

Connectivity Summary

Upstream Providers
5 upstreams providing transit
Peers
16 networks exchanging traffic without transit
Downstream Customers
51 downstreams buying transit
Degree
72 unique BGP neighbors
Reach
58 networks in customer cone

Upstream Providers (5)

  • AS6939 — HURRICANE
  • AS174 — COGENT-174 (Tier-1 transit)
  • AS3356 — LEVEL3 (Tier-1 transit)
  • AS3257 — GTT-BACKBONE (Tier-1 transit)
  • AS8359 — MTS

Prefix Lists

IPv4 Prefixes (107 total)

  • 72.49.0.0/16 (65 536 addresses (/16 prefix))
  • 216.68.0.0/16 (65 536 addresses (/16 prefix))
  • 50.5.0.0/16 (65 536 addresses (/16 prefix))
  • 208.102.0.0/16 (65 536 addresses (/16 prefix))
  • 161.155.0.0/16 (65 536 addresses (/16 prefix))
  • 131.241.0.0/16 (65 536 addresses (/16 prefix))
  • 74.215.0.0/16 (65 536 addresses (/16 prefix))
  • 74.83.0.0/16 (65 536 addresses (/16 prefix))
  • 192.24.128.0/17 (32 768 addresses (/17 prefix))
  • 66.42.128.0/17 (32 768 addresses (/17 prefix))
  • 163.182.0.0/17 (32 768 addresses (/17 prefix))
  • 66.161.128.0/17 (32 768 addresses (/17 prefix))
  • 216.196.128.0/17 (32 768 addresses (/17 prefix))
  • 69.61.128.0/17 (32 768 addresses (/17 prefix))
  • 66.117.192.0/18 (16 384 addresses (/18 prefix))
  • 45.59.32.0/20 (4 096 addresses (/20 prefix))
  • 216.116.16.0/20 (4 096 addresses (/20 prefix))
  • 173.246.112.0/20 (4 096 addresses (/20 prefix))
  • 69.24.16.0/21 (2 048 addresses (/21 prefix))
  • 170.251.24.0/21 (2 048 addresses (/21 prefix))
  • 69.24.24.0/22 (1 024 addresses (/22 prefix))
  • 204.63.152.0/22 (1 024 addresses (/22 prefix))
  • 205.167.184.0/23 (512 addresses (/23 prefix))
  • 170.248.94.0/23 (512 addresses (/23 prefix))
  • 67.201.87.0/24 (256 addresses (/24 prefix))
  • 198.133.79.0/24 (256 addresses (/24 prefix))
  • 198.135.78.0/24 (256 addresses (/24 prefix))
  • 198.180.183.0/24 (256 addresses (/24 prefix))
  • 199.248.226.0/24 (256 addresses (/24 prefix))
  • 44.32.193.0/24 (256 addresses (/24 prefix))
  • 170.248.93.0/24 (256 addresses (/24 prefix))
  • 67.201.70.0/24 (256 addresses (/24 prefix))
  • 67.201.103.0/24 (256 addresses (/24 prefix))
  • 67.201.97.0/24 (256 addresses (/24 prefix))
  • 69.24.31.0/24 (256 addresses (/24 prefix))

IPv6 Prefixes (2 total)

  • 2600:2b00::/28
  • 2607:f500::/32