Madison Telephone Company

Data as of 2026-11-08
BGP inherited
This organisation
Netblocks14 · 13,056 IPv4 addresses
IPv6 1 prefix (largest 2605:1680::/32)
Record ID264648123
RegistryBGP
Customerssee who runs inside this network →
Evidence & provenance ?
Attribution BGP parent (inherited)
Shared handles clustered on 9 shared RIR contact/maintainer handles
Registry names 3 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works · report an issue

IP Ranges (14)

⬇ export CSV
CIDR Org name Registry Status Confidence
66.242.192.0/19 Madison Telephone Company BGP ANNOUNCED ● high
66.242.192.0/24 Madison Telephone Company BGP ANNOUNCED ● high
66.242.205.0/24 Madison Telephone Company BGP ANNOUNCED ● high
66.242.206.0/23 Madison Telephone Company BGP ANNOUNCED ● high
66.242.208.0/22 Madison Telephone Company BGP ANNOUNCED ● high
66.242.214.0/23 Madison Telephone Company BGP ANNOUNCED ● high
66.242.221.0/24 Madison Telephone Company BGP ANNOUNCED ● high
76.77.224.0/20 Madison Telephone Company ARIN DIRECT ALLOCATION ● high
76.77.232.0/22 Madison Telephone Company BGP ANNOUNCED ● high
76.77.236.0/22 Madison Telephone Company BGP ANNOUNCED ● high
199.180.237.0/24 Madison Telephone LLC BGP ANNOUNCED ● high
199.180.238.0/24 Madison Telephone LLC BGP ANNOUNCED ● high
199.180.239.0/24 Madison Telephone LLC BGP ANNOUNCED ● high
2605:1680::/32 Madison Telephone Company BGP ANNOUNCED ● high

IPv6 ranges (1)

Footprint over time

20 weekly snapshots · JSON
17 -2 netblocks since 2026-07-05
2026-07-05 peak 19 2026-11-08

NIC Handles

ABUSE655-ARIN AS18596 AS395165 GHO34-ARIN GHO34-ARIN JB1300-ARIN JDA66-ARIN MADT WALDR142-ARIN