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AS numbers

AS11172 Alestra

AS11172 is operated by Alestra and registered with LACNIC (MX) since 1998-05-05.

It announces 961 IPv4 and 3,118 IPv6 prefixes, 99% of them RPKI valid.

RIPE RIS sees 12 upstream and peer networks and 113 downstream networks next to it.

PeeringDB lists it as an NSP network at 3 internet exchanges and 15 facilities. Its peering policy is selective.

NameAlestra
Registry handleAS11172
Registry (RIR)LACNIC
CountryMexico (MX)
Delegated on1998-05-05
Network typeNSP, Regional
Peering policySelective
IRR as-setRADB::AS-ALESTRA
Prefixes (IPv4 / IPv6)961 / 3,118
RPKI valid99% (4,049 / 4,079)
Upstreams and peers12
Downstream networks113
Websitealestra.com.mx

Routing health

  • AS11172 announces 961 IPv4 and 3118 IPv6 prefixes.
  • 4049 of 4079 announced prefixes are RPKI valid.
  • 30 announced prefixes are not covered by a ROA of AS11172 (they may have none, or another network’s).
  • 12 upstreams and peers, 113 downstream networks seen.

For every check with the fix (IRR route objects, the RPKI state of each route, reverse DNS and the registration), run the full network report.

Announced prefixes 4,079

  • 38.52.116.0/23
  • 38.224.96.0/23
  • 45.84.217.0/24
  • 143.202.156.0/22
  • 143.202.156.0/24
  • 143.202.157.0/24
  • 143.202.158.0/24
  • 148.211.0.0/16
  • 148.216.0.0/16
  • 148.238.0.0/16
  • 148.244.0.0/16
  • 148.244.64.0/18
  • 148.244.64.0/21
  • 148.244.70.0/24
  • 148.244.71.0/24
  • 148.244.72.0/21
  • 148.244.76.0/24
  • 148.244.77.0/24
  • 148.244.78.0/24
  • 148.244.79.0/24
  • 148.244.80.0/21
  • 148.244.80.0/24
  • 148.244.83.0/24
  • 148.244.84.0/24
  • 148.244.85.0/24
  • 148.244.86.0/24
  • 148.244.87.0/24
  • 148.244.88.0/21
  • 148.244.91.0/24
  • 148.244.93.0/24
  • 148.244.94.0/24
  • 148.244.96.0/21
  • 148.244.97.0/24
  • 148.244.100.0/24
  • 148.244.104.0/21
  • 148.244.104.0/24
  • 148.244.105.0/24
  • 148.244.110.0/24
  • 148.244.111.0/24
  • 148.244.112.0/21
  • 148.244.112.0/24
  • 148.244.115.0/24
  • 148.244.116.0/24
  • 148.244.117.0/24
  • 148.244.118.0/24
  • 148.244.119.0/24
  • 148.244.120.0/21
  • 148.244.120.0/24
  • 148.244.122.0/24
  • 148.244.126.0/24
  • 148.244.127.0/24
  • 148.244.128.0/18
  • 148.244.128.0/21
  • 148.244.128.0/24
  • 148.244.129.0/24
  • 148.244.131.0/24
  • 148.244.132.0/24
  • 148.244.133.0/24
  • 148.244.134.0/24
  • 148.244.136.0/21
  • 148.244.137.0/24
  • 148.244.138.0/24
  • 148.244.139.0/24
  • 148.244.141.0/24
  • 148.244.142.0/24
  • 148.244.144.0/21
  • 148.244.144.0/24
  • 148.244.145.0/24
  • 148.244.149.0/24
  • 148.244.152.0/21
  • 148.244.152.0/24
  • 148.244.153.0/24
  • 148.244.155.0/24
  • 148.244.156.0/24
  • 148.244.157.0/24
  • 148.244.158.0/24
  • 148.244.160.0/21
  • 148.244.160.0/24
  • 148.244.161.0/24
  • 148.244.162.0/24
  • 148.244.163.0/24
  • 148.244.165.0/24
  • 148.244.166.0/24
  • 148.244.168.0/21
  • 148.244.171.0/24
  • 148.244.176.0/21
  • 148.244.176.0/24
  • 148.244.177.0/24
  • 148.244.178.0/24
  • 148.244.179.0/24
  • 148.244.180.0/24
  • 148.244.181.0/24
  • 148.244.182.0/24
  • 148.244.183.0/24
  • 148.244.184.0/21
  • 148.244.187.0/24
  • 148.244.188.0/24
  • 148.244.191.0/24
  • 148.244.192.0/18
  • 148.244.192.0/21

Showing the first 100.

Upstreams and peers 12

The networks RIPE RIS sees next to AS11172 in BGP paths, the most visible first.

Peering

Peering policy: Selective. Suggested max-prefix limits: 10,000 IPv4, 10,000 IPv6. PeeringDB record

Internet exchanges 3
ExchangePortsSpeedRoute server
DE-CIX Mexico1100GNo
MEX-IX McAllen: McAllen Peering LAN140GNo
NIX Monterrey1100GNo
Facilities 15
FacilityCityCountry
Equinix MO1 - MonterreyApodacaMX
Equinix MX1/MX2 - Mexico CityEl MarquesMX
HostDime GDL Mexico Data CenterGuadalajaraMX
KIO México 1 (MEX1)Cuajimalpa de MorelosMX
KIO México 2 (MEX2)Cuajimalpa de MorelosMX
KIO México 3 (MEX3)Santa FeMX
KIO México 4 (MEX4)HuixquilucanMX
KIO México 5 (MEX5)TultitlanMX
KIO Querétaro 1 (QRO1)El MarquesMX
Laredo VTXLaredoUS
MDC El PasoEl PasoUS
MDC LaredoLaredoUS
MDC McAllenMcAllenUS
MTP Sites Leon EdgeLeónMX
MTP Sites San Luis Potosi (SLP) EdgeSan Luis PotosiMX

More about AS11172

Sources: RIR delegation data and PeeringDB (updated daily); routing from RIPEstat (RIPE NCC RIS and RPKI), refreshed daily. Routing data from 2026-11-12 18:35 UTC. The country is where the AS number was registered, not necessarily where the network operates.