Mark Twain Communications
Data as of 2026-10-25
BGP inherited
This organisation
| Netblocks | 10 · 3,584 IPv4 addresses |
| Also registered under this name | 50 netblocks across 3 separate records |
| Record ID | 255890556 |
| Registry | ARIN |
| Customers | see who runs inside this network → |
Evidence & provenance ?
| Attribution | BGP parent (inherited) |
| Shared handles | clustered on 7 shared RIR contact/maintainer handles |
| Registry names | 1 distinct registrant name across these blocks |
| full provenance (JSON) → · how attribution works · report an issue | |
IP Ranges (10)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 64.111.35.0/24 | Mark Twain Communications | ARIN | ASSIGNMENT | ● high |
| 64.111.44.0/24 | Mark Twain Communications | ARIN | ASSIGNMENT | ● high |
| 64.111.58.0/23 | Mark Twain Communications | ARIN | ASSIGNMENT | ● high |
| 64.111.61.0/24 | Mark Twain Communications | ARIN | ASSIGNMENT | ● high |
| 67.221.200.0/24 | Mark Twain Communications | ARIN | ASSIGNMENT | ● high |
| 67.221.202.0/23 | Mark Twain Communications | ARIN | ASSIGNMENT | ● high |
| 67.221.204.0/23 | Mark Twain Communications | ARIN | ASSIGNMENT | ● high |
| 67.221.206.0/24 | Mark Twain Communications | ARIN | ASSIGNMENT | ● high |
| 216.145.146.0/24 | Mark Twain Communications | ARIN | ASSIGNMENT | ● high |
| 216.145.148.0/23 | Mark Twain Communications | ARIN | ASSIGNMENT | ● high |
Footprint over time
11 weekly snapshots · JSON
10
0 netblocks since 2026-08-16
2026-08-16
peak 10
2026-10-25
Network trust
what's this?
RPKI hygiene: A
how networks compare →
100.0%
of checked blocks have valid RPKI ROA coverage
(10 of 10)
No discrepancies found among checked blocks.
NIC Handles
HILLS139-ARIN
HILLS139-ARIN
HILLS139-ARIN
MELVI53-ARIN
MJH49-ARIN
MTC-224
PTS7-ARIN