Frontier Networks Inc
Cluster stats
Netblocks570
All fragments 1,975 blocks across 157 clusters
Cluster ID191604467
RegistryAFRINIC
Customersfind customers using this network →
Evidence & provenance ?
Attribution unresolved
Shared handles clustered on 49 shared RIR contact/maintainer handles
Registry names 445 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works

Footprint over time

2 weekly snapshots · JSON
570 0 netblocks since 2026-07-05
2026-07-05 peak 570 2026-07-06

IP Ranges (570)

showing 50 of 570 — see all⬇ export CSV (free export limited to 500 rows — subscribe for the full export)
CIDR Org name Registry Status Confidence
24.104.160.0/19 Frontier Networks Inc ARIN ● high
24.104.160.0/20 Frontier Networks Inc BGP ANNOUNCED ● high
24.104.176.0/23 Frontier Networks Inc BGP ANNOUNCED ● high
24.104.178.0/24 Frontier Networks Inc BGP ANNOUNCED ● high
24.104.179.0/24 Frontier Networks Inc BGP ANNOUNCED ● high
24.104.180.0/23 Frontier Networks Inc BGP ANNOUNCED ● high
24.104.182.0/24 Frontier Networks Inc BGP ANNOUNCED ● high
24.104.183.0/24 Frontier Networks Inc BGP ANNOUNCED ● high
24.104.184.0/22 Frontier Networks Inc BGP ANNOUNCED ● high
24.104.188.0/24 Frontier Networks Inc BGP ANNOUNCED ● high
24.104.189.0/24 Frontier Networks Inc BGP ANNOUNCED ● high
24.104.190.0/24 Frontier Networks Inc BGP ANNOUNCED ● high
24.104.191.0/24 Frontier Networks Inc BGP ANNOUNCED ● high
24.146.64.0/20 Frontier Networks Inc BGP ANNOUNCED ● high
24.146.64.0/18 Frontier Networks Inc ARIN ● high
24.146.80.0/20 Frontier Networks Inc BGP ANNOUNCED ● high
24.146.96.0/22 Frontier Networks Inc BGP ANNOUNCED ● high
24.146.100.0/22 Frontier Networks Inc BGP ANNOUNCED ● high
24.146.104.0/21 Frontier Networks Inc BGP ANNOUNCED ● high
24.146.112.0/20 Frontier Networks Inc BGP ANNOUNCED ● high
38.75.86.0/24 Frontier Networks Corp BGP ANNOUNCED ● high
38.143.48.0/21 Frontier Networks Inc BGP ANNOUNCED ● high
38.143.54.0/23 Frontier Networks Inc BGP ANNOUNCED ● high
45.2.0.0/16 Frontier Networks Inc BGP ANNOUNCED ● high
45.2.2.0/24 Frontier Networks Inc BGP ANNOUNCED ● high
45.2.24.0/24 Frontier Networks Inc BGP ANNOUNCED ● high
45.2.25.0/24 Frontier Networks Inc BGP ANNOUNCED ● high
45.2.68.0/24 Frontier Networks Inc BGP ANNOUNCED ● high
45.2.159.0/24 Frontier Networks Inc BGP ANNOUNCED ● high
45.2.192.0/21 Frontier Networks Inc BGP ANNOUNCED ● high
45.2.200.0/22 Frontier Networks Inc BGP ANNOUNCED ● high
45.2.204.0/22 Frontier Networks Inc BGP ANNOUNCED ● high
45.2.207.0/24 Frontier Networks Inc BGP ANNOUNCED ● high
45.2.208.0/23 Frontier Networks Inc BGP ANNOUNCED ● high
45.2.210.0/23 Frontier Networks Inc BGP ANNOUNCED ● high
45.2.212.0/24 Frontier Networks Inc BGP ANNOUNCED ● high
45.2.214.0/24 Frontier Networks Inc BGP ANNOUNCED ● high
45.2.215.0/24 Frontier Networks Inc BGP ANNOUNCED ● high
45.2.220.0/23 Frontier Networks Inc BGP ANNOUNCED ● high
45.2.222.0/24 Frontier Networks Inc BGP ANNOUNCED ● high
45.2.223.0/24 Frontier Networks Inc BGP ANNOUNCED ● high
45.2.224.0/23 Frontier Networks Inc BGP ANNOUNCED ● high
45.2.226.0/24 Frontier Networks Inc BGP ANNOUNCED ● high
45.2.227.0/24 Frontier Networks Inc BGP ANNOUNCED ● high
45.2.228.0/24 Frontier Networks Inc BGP ANNOUNCED ● high
45.2.230.0/23 Frontier Networks Inc BGP ANNOUNCED ● high
45.2.232.0/24 Frontier Networks Inc BGP ANNOUNCED ● high
45.2.233.0/24 Frontier Networks Inc BGP ANNOUNCED ● high
45.2.236.0/24 Frontier Networks Inc BGP ANNOUNCED ● high
45.2.238.0/24 Frontier Networks Inc BGP ANNOUNCED ● high

Network trust

what's this?
RPKI hygiene: D how networks compare →
37.4% of checked blocks have valid RPKI ROA coverage (213 of 570)
Possible discrepancies (2)

These blocks are registered to Frontier Networks Inc but cryptographically authorized for a different, unrelated network (1 distinct holder) — often M&A history, multi-homing, or outsourced/managed hosting, occasionally worth a closer look.

2a00:2381:1ebb::/48 /48 authorized for AS2856 — British Telecommunications PLC
2a00:2381:1ebb:100::/56 /56 authorized for AS2856 — British Telecommunications PLC

NIC Handles

ABUSE2433-ARIN AF527-AP AP930-AP APNIC-HM AR1049-AP AS133333 AS2068-AP AS399311 AS7311 AS7311 AT1306-AP AT940-AP +37 more