C Spire Fiber
Data as of 2026-09-13
BGP inherited
This organisation
| Netblocks | 74 · 278,531 IPv4 addresses |
| IPv6 | 6 prefixes (largest 2607:f4a0::/32) |
| Record ID | 241134514 |
| Registry | BGP |
| Customers | see who runs inside this network → |
Evidence & provenance ?
| Attribution | BGP parent (inherited) |
| Shared handles | clustered on 12 shared RIR contact/maintainer handles |
| Registry names | 5 distinct registrant names across these blocks |
| full provenance (JSON) → · how attribution works · report an issue | |
IP Ranges (74)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 8.42.176.0/20 | C Spire Fiber | BGP | ANNOUNCED | ● high |
| 38.140.64.0/19 | C Spire Fiber | BGP | ANNOUNCED | ● high |
| 50.86.0.0/16 | C Spire Fiber | BGP | ANNOUNCED | ● high |
| 50.86.62.0/24 | C Spire Fiber | BGP | ANNOUNCED | ● high |
| 50.86.64.0/21 | C Spire | BGP | ANNOUNCED | ● high |
| 50.86.252.0/24 | C Spire Fiber | BGP | ANNOUNCED | ● high |
| 64.28.48.0/20 | C Spire Fiber | BGP | ANNOUNCED | ● high |
| 66.175.128.0/18 | C Spire Fiber | BGP | ANNOUNCED | ● high |
| 66.175.135.0/24 | C Spire Fiber | BGP | ANNOUNCED | ● high |
| 66.175.136.0/24 | C Spire Fiber | BGP | ANNOUNCED | ● high |
| 66.175.172.0/24 | C Spire | BGP | ANNOUNCED | ● high |
| 66.175.173.0 – 66.175.188.255 | C Spire | ARIN | ALLOCATION | ● high |
| 66.175.174.0/24 | C Spire | BGP | ANNOUNCED | ● high |
| 66.175.175.0/24 | C Spire | BGP | ANNOUNCED | ● high |
| 66.175.176.0/24 | C Spire | BGP | ANNOUNCED | ● high |
| 66.175.179.0/24 | C Spire | BGP | ANNOUNCED | ● high |
| 66.175.180.0/23 | C Spire | BGP | ANNOUNCED | ● high |
| 66.175.182.0/24 | C Spire | BGP | ANNOUNCED | ● high |
| 67.20.0.0/20 | C Spire Fiber | BGP | ANNOUNCED | ● high |
| 69.57.48.0/20 | C Spire Fiber | BGP | ANNOUNCED | ● high |
| 69.89.208.0/20 | C Spire Fiber | BGP | ANNOUNCED | ● high |
| 69.197.192.0/18 | C Spire | ARIN | ASSIGNMENT | ● high |
| 69.197.192.0/21 | C Spire | BGP | ANNOUNCED | ● high |
| 69.197.200.0/21 | C Spire | BGP | ANNOUNCED | ● high |
| 69.197.208.0/21 | C Spire | BGP | ANNOUNCED | ● high |
| 69.197.216.0/21 | C Spire | BGP | ANNOUNCED | ● high |
| 69.197.224.0/21 | C Spire | BGP | ANNOUNCED | ● high |
| 69.197.232.0/21 | C Spire | BGP | ANNOUNCED | ● high |
| 69.197.240.0/21 | C Spire | BGP | ANNOUNCED | ● high |
| 69.197.248.0/21 | C Spire | BGP | ANNOUNCED | ● high |
| 74.113.94.0/24 | C Spire Fiber | BGP | ANNOUNCED | ● high |
| 76.8.224.0/19 | C Spire Fiber | BGP | ANNOUNCED | ● high |
| 104.232.160.0/19 | C Spire Fiber | BGP | ANNOUNCED | ● high |
| 136.239.0.0/17 | C Spire Fiber | BGP | ANNOUNCED | ● high |
| 162.210.119.0/24 | C Spire Fiber | BGP | ANNOUNCED | ● high |
| 167.160.192.0/19 | C Spire Fiber | BGP | ANNOUNCED | ● high |
| 167.160.210.0/24 | C Spire Fiber | BGP | ANNOUNCED | ● high |
| 167.160.211.0/24 | C Spire Fiber | BGP | ANNOUNCED | ● high |
| 167.160.217.0/24 | C Spire Fiber | BGP | ANNOUNCED | ● high |
| 167.160.219.0/24 | C Spire Fiber | BGP | ANNOUNCED | ● high |
| 172.99.218.0/23 | C Spire Fiber | BGP | ANNOUNCED | ● high |
| 173.235.0.0/16 | C Spire Fiber | BGP | ANNOUNCED | ● high |
| 173.235.46.0/24 | C Spire Fiber | BGP | ANNOUNCED | ● high |
| 173.235.100.0/24 | C Spire Fiber | BGP | ANNOUNCED | ● high |
| 173.235.108.0/24 | C Spire Fiber | BGP | ANNOUNCED | ● high |
| 198.28.144.0/20 | C Spire Fiber | BGP | ANNOUNCED | ● high |
| 198.28.160.0/19 | C Spire Fiber | BGP | ANNOUNCED | ● high |
| 198.160.253.0/24 | C Spire Fiber | BGP | ANNOUNCED | ● high |
| 199.33.90.0/23 | C Spire Fiber | BGP | ANNOUNCED | ● high |
| 199.33.90.0/24 | C Spire Fiber | BGP | ANNOUNCED | ● high |
| 199.33.91.0/24 | C Spire Fiber | BGP | ANNOUNCED | ● high |
| 204.128.222.0/24 | C Spire Fiber | BGP | ANNOUNCED | ● high |
| 206.53.202.138/32 | C Spire Fiber | PEERINGDB | ASSIGNED | ● high |
| 206.126.110.194/32 | C Spire Fiber | PEERINGDB | ASSIGNED | ● high |
| 207.179.32.0/23 | C Spire | BGP | ANNOUNCED | ● high |
| 207.179.32.0/20 | C Spire | ARIN | ALLOCATION | ● high |
| 207.179.32.0/19 | C Spire Fiber | BGP | ANNOUNCED | ● high |
| 207.179.34.0/23 | C Spire | BGP | ANNOUNCED | ● high |
| 207.179.36.0/23 | C Spire | BGP | ANNOUNCED | ● high |
| 207.179.38.0/24 | C Spire Fiber | BGP | ANNOUNCED | ● high |
| 207.179.40.0/21 | C Spire | BGP | ANNOUNCED | ● high |
| 207.179.48.0/20 | C Spire | ARIN | ALLOCATION | ● high |
| 207.179.54.0/24 | C Spire | BGP | ANNOUNCED | ● high |
| 207.179.56.0/21 | C Spire | BGP | ANNOUNCED | ● high |
| 208.115.136.201/32 | C Spire Fiber | PEERINGDB | ASSIGNED | ● high |
| 209.147.224.0/20 | C Spire Fiber | BGP | ANNOUNCED | ● high |
| 2001:504:0:4:0:1:1272:1/128 | C Spire Fiber | PEERINGDB | ASSIGNED | ● high |
| 2001:504:17:110::194/128 | C Spire Fiber | PEERINGDB | ASSIGNED | ● high |
| 2001:504:61::3601:0:1/128 | C Spire Fiber | PEERINGDB | ASSIGNED | ● high |
| 2607:f4a0::/32 | C Spire Fiber | BGP | ANNOUNCED | ● high |
| 2607:f4a0:5003::/48 | C Spire Fiber | BGP | ANNOUNCED | ● high |
| 2607:f4a0:5010::/48 | C Spire Fiber | BGP | ANNOUNCED | ● high |
| 8.42.184.0/21 | C Spire Fiber | ARIN | ASSIGNMENT | ● low |
| 198.28.136.0 – 198.28.191.255 | C Spire Fiber | ARIN | DIRECT ALLOCATION | ● low |
IPv6 ranges (6)
Footprint over time
12 weekly snapshots · JSON
90
+22 netblocks since 2026-07-05
2026-07-05
peak 90
2026-09-13
Domains this organisation publishes
what's this?Other domains hosted in this network
what's this?Network trust
what's this?
RPKI hygiene: C
how networks compare →
76.7%
of checked blocks have valid RPKI ROA coverage
(69 of 90)
No discrepancies found among checked blocks.
NIC Handles
AS11272
AS11272
AS15212
AS396926
CDW2-ARIN
CDW2-ARIN
CDW2-ARIN
CELLU-3
NETWO638-ARIN
NETWO638-ARIN
NETWO638-ARIN
TELEP-6