Frontier Networks Inc

Data as of 2026-09-20
BGP inherited
This organisation
Netblocks130 · 132,157 IPv4 addresses
IPv6 7 prefixes (largest 2400:9880::/32)
Registered in Canada (132) · United States (6) · Australia (5)
Record ID240909738
RegistryAPNIC
Customerssee who runs inside this network →
Evidence & provenance ?
Attribution BGP parent (inherited)
Shared handles clustered on 16 shared RIR contact/maintainer handles
Registry names 6 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works · report an issue

IP Ranges (130)

⬇ export CSV
CIDR Org name Registry Status Confidence
24.104.160.0/20 Frontier Networks Inc BGP ANNOUNCED ● high
24.104.160.0/19 Frontier Networks Inc ARIN DIRECT ALLOCATION ● 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 DIRECT ALLOCATION ● 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
45.2.239.0/24 Frontier Networks Inc BGP ANNOUNCED ● high
45.2.241.0/24 Frontier Networks Inc BGP ANNOUNCED ● high
45.2.242.0/24 Frontier Networks Inc BGP ANNOUNCED ● high
45.2.243.0/24 Frontier Networks Inc BGP ANNOUNCED ● high
45.2.244.0/24 Frontier Networks Inc BGP ANNOUNCED ● high
45.2.245.0/24 Frontier Networks Inc BGP ANNOUNCED ● high
45.2.246.0/24 Frontier Networks Inc BGP ANNOUNCED ● high
45.2.247.0/24 Frontier Networks Inc BGP ANNOUNCED ● high
45.2.248.0/24 Frontier Networks Inc BGP ANNOUNCED ● high
45.2.249.0/24 Frontier Networks Inc BGP ANNOUNCED ● high
45.2.254.0/24 Frontier Networks Inc BGP ANNOUNCED ● high
45.2.255.0/24 Frontier Networks Inc BGP ANNOUNCED ● high
66.11.93.80/29 Frontier Networks Inc ARIN ASSIGNMENT ● high
67.21.144.0/20 Frontier Networks Inc ARIN DIRECT ALLOCATION ● high
67.21.149.0/24 Frontier Networks Inc BGP ANNOUNCED ● high
67.21.159.0/24 Frontier Networks Inc BGP ANNOUNCED ● high
69.17.224.0/20 Frontier Networks Inc BGP ANNOUNCED ● high
69.17.240.0/20 Frontier Networks Inc BGP ANNOUNCED ● high
96.125.128.0/21 Frontier Networks Inc BGP ANNOUNCED ● high
96.125.128.0/20 Frontier Networks Inc BGP ANNOUNCED ● high
96.125.135.0/24 Frontier Networks Inc BGP ANNOUNCED ● high
96.125.136.0/22 Frontier Networks Inc BGP ANNOUNCED ● high
96.125.140.0/22 Frontier Networks Inc BGP ANNOUNCED ● high
103.27.28.0/22 Frontier Networks Pty Ltd BGP ANNOUNCED ● high
104.37.80.0/23 Frontier Networks Inc BGP ANNOUNCED ● high
104.37.82.0/23 Frontier Networks Inc BGP ANNOUNCED ● high
142.46.5.16/28 Frontier Networks Inc ARIN ASSIGNMENT ● high
142.46.5.32/27 Frontier Networks Inc ARIN ASSIGNMENT ● high
142.46.151.0/24 Frontier Networks Inc ARIN ALLOCATION ● high
161.129.186.0/24 Frontier Networks Inc BGP ANNOUNCED ● high
162.33.168.0/21 Frontier Networks Inc BGP ANNOUNCED ● high
162.33.180.0/24 Frontier Networks Inc BGP ANNOUNCED ● high
162.33.180.0/23 Frontier Networks Inc BGP ANNOUNCED ● high
162.33.181.0/24 Frontier Networks Inc BGP ANNOUNCED ● high
162.33.188.0/23 Frontier Networks Inc BGP ANNOUNCED ● high
162.33.216.0/21 Frontier Networks Inc BGP ANNOUNCED ● high
192.154.144.0/21 Frontier Networks Inc BGP ANNOUNCED ● high
192.154.152.0/21 Frontier Networks Inc BGP ANNOUNCED ● high
198.32.118.179/32 Frontier Networks PEERINGDB ASSIGNED ● high
198.32.160.133/32 Frontier Networks PEERINGDB ASSIGNED ● high
203.80.172.0/22 Frontier Networks Pty Ltd BGP ANNOUNCED ● high
204.138.4.0/24 Frontier Networks Inc BGP ANNOUNCED ● high
204.138.5.0/24 Frontier Networks Inc BGP ANNOUNCED ● high
204.138.6.0/24 Frontier Networks Inc BGP ANNOUNCED ● high
205.207.65.0/24 Frontier Networks Inc BGP ANNOUNCED ● high
206.41.104.81/32 Frontier Networks PEERINGDB ASSIGNED ● high
206.81.80.206/32 Frontier Networks PEERINGDB ASSIGNED ● high
206.108.34.167/32 Frontier Networks PEERINGDB ASSIGNED ● high
206.204.110.0/24 Frontier Networks Inc BGP ANNOUNCED ● high
216.126.64.0/24 Frontier Networks Inc BGP ANNOUNCED ● high
216.126.64.0/19 Frontier Networks Inc BGP ANNOUNCED ● high
216.126.65.0/24 Frontier Networks Inc ARIN ALLOCATION ● high
216.126.66.0/23 Frontier Networks Inc ARIN ALLOCATION ● high
216.126.68.0/24 Frontier Networks Inc ARIN ALLOCATION ● high
216.126.69.0/24 Frontier Networks Inc ARIN ALLOCATION ● high
216.126.71.0/24 Frontier Networks Inc ARIN ALLOCATION ● high
216.126.72.0/24 Frontier Networks Inc BGP ANNOUNCED ● high
216.126.73.0/24 Frontier Networks Inc ARIN ALLOCATION ● high
216.126.74.0/24 Frontier Networks Inc ARIN ALLOCATION ● high
216.126.75.0/24 Frontier Networks Inc ARIN ALLOCATION ● high
216.126.76.0/24 Frontier Networks Inc ARIN ALLOCATION ● high
216.126.77.0/24 Frontier Networks Inc BGP ANNOUNCED ● high
216.126.78.0 – 216.126.87.255 Frontier Networks Inc ARIN ALLOCATION ● high
216.126.79.0/24 Frontier Networks Inc BGP ANNOUNCED ● high
216.126.86.0/24 Frontier Networks Inc BGP ANNOUNCED ● high
216.126.89.0/24 Frontier Networks Inc BGP ANNOUNCED ● high
216.126.90.0/24 Frontier Networks Inc ARIN ALLOCATION ● high
216.126.91.0/24 Frontier Networks Inc ARIN ALLOCATION ● high
216.126.92.0/24 Frontier Networks Inc BGP ANNOUNCED ● high
216.126.93.0/24 Frontier Networks Inc BGP ANNOUNCED ● high
216.126.94.0/24 Frontier Networks Inc ARIN ALLOCATION ● high
216.126.95.0/24 Frontier Networks Inc BGP ANNOUNCED ● high
2001:504:1::a500:7311:1/128 Frontier Networks PEERINGDB ASSIGNED ● high
2001:504:f::7311:1/128 Frontier Networks PEERINGDB ASSIGNED ● high
2001:504:16::1c8f/128 Frontier Networks PEERINGDB ASSIGNED ● high
2001:504:1a::34:167/128 Frontier Networks PEERINGDB ASSIGNED ● high
2001:504:39::81/128 Frontier Networks PEERINGDB ASSIGNED ● high
2400:9880::/32 Frontier Networks Pty Ltd BGP ANNOUNCED ● high
2605:8100::/32 Frontier Networks Inc ARIN DIRECT ALLOCATION ● high
144.48.172.0/22 Frontier Networks Pty Ltd APNIC ALLOCATED PORTABLE ● low

IPv6 ranges (7)

Footprint over time

13 weekly snapshots · JSON
152 -418 netblocks since 2026-07-05
2026-07-05 peak 570 2026-09-20

Domains this organisation publishes

what's this?

Other domains hosted in this network

what's this?

Customer-delegated space

how is this classified?
Unclassified 140 (107.7%)
Operator infrastructure (named) 10 (7.7%)
Customer access pools 2 (1.5%)

Network trust

what's this?
RPKI hygiene: B how networks compare →
83.6% of checked blocks have valid RPKI ROA coverage (127 of 152)
Possible discrepancies (3)

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.

216.126.66.0/23 /23 authorized for AS399743 — RuralLynx Inc
216.126.65.0/24 /24 authorized for AS399743 — RuralLynx Inc
216.126.69.0/24 /24 authorized for AS399743 — RuralLynx Inc

NIC Handles

ABUSE2433-ARIN AF527-AP APNIC-HM AS133333 AS399311 AS7311 AS7311 FN-181 FNPL1-AP FNPL1-AP FRONT-16 MAINT-FNPL-AU +4 more