Prefixes
793 · 254
IPv4 · IPv6
Network
AS46887
CarrierZayo (fka. Crown Castle)
Zayo announces 793 IPv4 prefixes (861.7K addresses) and 254 IPv6 prefixes from the United States. 0% of them are covered by valid RPKI records.
Address space
861.7K
IPv4 addresses · 262.2K IPv6 /48s
RPKI
0% valid0 invalid · 1,042 without a record
Peering
Restrictive
7 exchanges · 7 facilities
Where it is
Details
Network
- Name
- Zayo (fka. Crown Castle)
- Holder
- Zayo Bandwidth
- Type
- NSP
- Country
- United States
- Registry
- ARIN
- Registered
- Apr 13, 200917 years ago
- Website
- crowncastle.com
- UsersCloudflare Radar's estimate of people who reach the internet through this network.
- About 66.7K
- Abuse contact
- abuse@zayo.com
Connectivity
Cloudflare Radar- PeersNetworks it exchanges traffic with directly, without paying either way.
- 111
- CustomersNetworks that buy transit from it.
- 859
- AS-SETThe routing registry object that lists this network's customers, used to build route filters.
- AS-CCF
Routing security
- ASPAAn RPKI record listing the only networks allowed to be its upstream providers, so routers can reject leaked or forged paths.
- Not published
- RPKI coverageShare of its announcements that a signed record (ROA) authorizes.
- 5 of 1,047 valid
- IncidentsPossible BGP hijacks (high-confidence detections) and route leaks involving this network in the last 30 days, from Cloudflare Radar.
- 3 route leaks
Largest prefixes
IPv4
793- 9.179.0.0/16No ROA
- 9.191.0.0/16No ROA
- 131.239.0.0/16No ROA
- 138.123.0.0/16No ROA
- 144.121.0.0/16No ROA
- 149.70.0.0/16No ROA
- 160.72.0.0/16No ROA
- 165.158.0.0/16No ROA
- 209.160.128.0/17No ROA
- 144.121.0.0/18No ROA
- 144.121.64.0/18No ROA
- 144.121.192.0/18No ROA
- 158.59.128.0/18No ROA
- 158.59.192.0/18No ROA
- 160.72.64.0/18No ROA
- 64.72.64.0/19No ROA
- 67.208.160.0/19No ROA
- 69.195.32.0/19No ROA
- 72.22.160.0/19No ROA
- 76.8.64.0/19No ROA
- 104.129.64.0/19No ROA
- 104.207.192.0/19No ROA
- 104.247.32.0/19No ROA
- 144.121.128.0/19No ROA
IPv6
254- 2604:1a00::/32No ROA
- 2605:a900::/32No ROA
- 2607:f518::/32No ROA
- 2607:f7a8::/32No ROA
- 2605:a900::/36No ROA
- 2605:a900:1000::/36No ROA
- 2605:a900:2000::/36No ROA
- 2605:a900:3000::/36No ROA
- 2605:a900:4000::/36No ROA
- 2605:a900:5000::/36No ROA
- 2607:f518:1000::/36No ROA
- 2607:f7a8:400::/39No ROA
Internet exchanges
- Boston Internet ExchangeBoston, Massachusetts200 Gbps
- Equinix New YorkNew York200 Gbps
- Equinix AshburnAshburn200 Gbps
- Equinix ChicagoChicago100 Gbps
- Equinix DallasDallas100 Gbps
- Equinix MiamiMiami100 Gbps
- Equinix Los AngelesLos Angeles100 Gbps