Madison Telephone Company
BGP inherited
Cluster stats
| Netblocks | 19 |
| All fragments | 43 blocks across 15 clusters |
| Cluster ID | 191751083 |
| Registry | APNIC |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | BGP parent (inherited) |
| Shared handles | clustered on 14 shared RIR contact/maintainer handles |
| Registry names | 6 distinct registrant names across these blocks |
| full provenance (JSON) → · how attribution works | |
Footprint over time
2 weekly snapshots · JSON
19
0 netblocks since 2026-07-05
2026-07-05
peak 19
2026-07-06
IP Ranges (19)
⬇ 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 |
| 66.242.221.0/24 | Madison Telephone Company | BGP | ANNOUNCED | ● high |
| 76.77.224.0/20 | Madison Telephone Company | BGP | ANNOUNCED | ● high |
| 76.77.232.0/22 | Madison Telephone Company | BGP | ANNOUNCED | ● high |
| 76.77.236.0/22 | Madison Telephone Company | BGP | ANNOUNCED | ● high |
| 118.201.40.176/29 | MADISON-SG | APNIC | ASSIGNED NON-PORTABLE | ● 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 |
| 82.140.73.200/30 | MADISON-I-KO-WAN | RIPE | ASSIGNED PA | ● low |
| 84.204.152.200/29 | MADISON-I-KO-LAN | RIPE | ASSIGNED PA | ● low |
| 113.28.221.152/29 | MADISON-HK | APNIC | ASSIGNED NON-PORTABLE | ● low |
| 116.12.142.168/29 | MADISON-SG | APNIC | ALLOCATED NON-PORTABLE | ● low |
| 220.241.199.184/29 | MADISON-HK | APNIC | ASSIGNED NON-PORTABLE | ● low |
Network trust
what's this?
RPKI hygiene: D
how networks compare →
21.1%
of checked blocks have valid RPKI ROA coverage
(4 of 19)
No discrepancies found among checked blocks.
NIC Handles
AP706-AP
AS18596
AS2068-AP
AS395165
BNA2-AP
DUMY-RIPE
DUMY-RIPE
HY2247-AP
MAINT-HK-PCCW-BIA-CS
MAINT-SG-SINGNET
PSTAR-MNT
SH9-AP
+2 more