AS11272

Name: AS11272 — C Spire Fiber
Creator: ipdex

C Spire Fiber ISP registered in United States

35IPv4 prefixes

2IPv6 prefixes

70%RPKI-valid

#576AS Rank

327/327RIS visibility

#937Rank in United States

1998-06-08Allocated

C Spire Fiber (AS11272) — ISP, registered in United States. announces 35 IPv4 prefixes + 2 IPv6 prefixes. Rank in United States: #937. Allocated: 1998-06-08.

IPv4 35IPv6 2

Announced prefixes · 37

v4 104.232.160.0/19 valid
v4 136.239.0.0/17 valid
v4 162.210.119.0/24 unknown
v4 167.160.192.0/19 valid
v4 167.160.210.0/24 valid
v4 167.160.211.0/24 valid
v4 167.160.217.0/24 valid
v4 167.160.219.0/24 valid
v4 172.99.218.0/23 unknown
v4 173.235.0.0/16 valid
v4 173.235.108.0/24 valid
v4 173.235.46.0/24 valid
v4 198.160.253.0/24 unknown
v4 198.28.144.0/20 valid
v4 198.28.160.0/19 valid
v4 199.33.90.0/23 valid
v4 199.33.90.0/24 valid
v4 199.33.91.0/24 valid
v4 204.128.222.0/24 unknown
v4 207.179.32.0/19 unknown
v4 207.179.38.0/24 unknown
v4 38.140.64.0/19 unknown
v4 50.86.0.0/16 valid
v4 50.86.252.0/24 valid
v4 50.86.62.0/24 valid
v4 64.28.48.0/20 unknown
v4 66.175.128.0/18 valid
v4 66.175.135.0/24 valid
v4 66.175.136.0/24 valid
v4 67.20.0.0/20 valid
v4 69.57.48.0/20 unknown
v4 69.89.208.0/20 valid
v4 74.113.94.0/24 unknown
v4 76.8.224.0/19 valid
v4 8.42.176.0/20 unknown
v6 2607:f4a0:5003::/48 valid
v6 2607:f4a0::/32 valid

RPKI: rpki.cloudflare.com · 2026-06-17

Routing: 35 IPv4 · 2 IPv6 announced · RIS visibility 327/327 RIS peers · RIPEstat · 2026-06-17

Prefix history

Announced prefixes Source: ipdex daily snapshot · sparse rows, value holds until the next change (steps)

Data table

Day	Announced prefixes
2026-06-12	37
2026-06-13	37

Internet Exchanges · 3

DE-CIX Dallas Dallas 100 Gbps
Digital Realty Atlanta Atlanta 100 Gbps
Equinix Chicago Chicago 100 Gbps

Facilities · 3

3 Facilities · 1 Countries

Digital Realty ATL (56 Marietta) Atlanta
Equinix CH1/CH2/CH4 - Chicago Chicago
Equinix DA6 - Dallas Dallas

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AS11272

Announced prefixes · 37

Prefix history

Internet Exchanges · 3

Facilities · 3

AS topology · Customer cone 79

Providers · 6

Peers · 14

Customers · 43

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