$ query “AS11172” --type=asn → 1 result(s)

AS11172 — ALESTRA

Alestra S. de R.L. de C.V.

AS11172 is a major transit provider registered to Alestra S. de R.L. de C.V., established in Mexico in 1998. The network announces a solid 603 648 IPv4 addresses, including a /16. Supports IPv6.

  • Top 5% — Top 5% of all autonomous systems by reach and degree
  • #7 in Mexico — Top 10 by reach within country
  • Pioneer — Registered before the year 2000

Basic Information

Country
🇲🇽 Mexico
Category
Hosting
Network Role
Major Transit
Data Origin
Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
Registered
May 05, 1998
Last Changed
March 04, 2026
Last Seen
March 04, 2026

Prefix Summary

IPv4 Prefixes (raw / aggregated)
902 / 66
IPv6 Prefixes (raw / aggregated)
2 349 / 172
IPv4 Addresses
603 648
Largest IPv4 Prefix
/16 (65 536 addresses)
Largest IPv6 Prefix
/32
Geolocated Countries
🇲🇽 MX (235 IPs), 🇦🇺 AU (12 IPs), 🇺🇸 US (4 IPs)
Prefix Changed
March 04, 2026

Reputation

Reputation
Good — 14 flagged IPs out of 603 648 total (0.00%)

Connectivity Summary

Upstream Providers
8 upstream autonomous systems providing transit
Peers
1 autonomous systems exchanging traffic without transit fees
Downstream Customers
97 downstream autonomous systems buying transit
Degree
110 unique BGP neighbors (providers + customers + peers)
Reach
185 — customer cone size measuring network influence
Degree Rank
#1 366
Reach Rank
#850
Country Rank
#7

Upstream Providers (8)

  • AS174 — COGENT-174 (Tier-1 transit)
  • AS6461 — ZAYO-6461 (Tier-1 transit)
  • AS1299 — TWELVE99 (Tier-1 transit)
  • AS3491 — CONSOLE-CONNECT-ASN (Tier-1 transit)
  • AS6762 — SEABONE-NET (Tier-1 transit)
  • AS32098 — TRANSTELCO-INC
  • AS23520 — LIBERTY-NETWORKS
  • AS6503 — AXTEL

Prefix Lists

IPv4 Prefixes (902 total)

  • 148.211.0.0/16 (65 536 addresses)
  • 148.216.0.0/16 (65 536 addresses)
  • 148.238.0.0/16 (65 536 addresses)
  • 148.244.0.0/16 (65 536 addresses)
  • 189.206.0.0/16 (65 536 addresses)
  • 201.151.0.0/16 (65 536 addresses)
  • 201.163.0.0/16 (65 536 addresses)
  • 200.94.0.0/17 (32 768 addresses)
  • 200.188.0.0/17 (32 768 addresses)
  • 200.76.0.0/18 (16 384 addresses)
  • 200.76.128.0/18 (16 384 addresses)
  • 200.94.128.0/19 (8 192 addresses)
  • 207.248.224.0/19 (8 192 addresses)
  • 200.52.112.0/20 (4 096 addresses)
  • 200.56.112.0/20 (4 096 addresses)
  • 200.39.200.0/21 (2 048 addresses)
  • 143.202.156.0/22 (1 024 addresses)
  • 200.106.172.0/22 (1 024 addresses)
  • 201.130.12.0/22 (1 024 addresses)
  • 201.139.4.0/22 (1 024 addresses)
  • 201.139.16.0/22 (1 024 addresses)
  • 201.158.104.0/22 (1 024 addresses)
  • 38.52.116.0/23 (512 addresses)
  • 38.211.200.0/23 (512 addresses)
  • 38.224.96.0/23 (512 addresses)
  • 192.190.30.0/23 (512 addresses)
  • 192.207.204.0/23 (512 addresses)
  • 200.23.18.0/23 (512 addresses)
  • 201.139.8.0/23 (512 addresses)
  • 201.139.14.0/23 (512 addresses)
  • 201.139.22.0/23 (512 addresses)
  • 201.159.44.0/23 (512 addresses)
  • 45.84.217.0/24 (256 addresses)
  • 148.245.135.0/24 (256 addresses)
  • 148.245.184.0/24 (256 addresses)
  • 161.195.140.0/24 (256 addresses)
  • 192.100.194.0/24 (256 addresses)
  • 192.100.196.0/24 (256 addresses)
  • 192.100.244.0/24 (256 addresses)
  • 192.141.47.0/24 (256 addresses)
  • 193.26.114.0/24 (256 addresses)
  • 198.44.203.0/24 (256 addresses)
  • 200.13.111.0/24 (256 addresses)
  • 200.23.32.0/24 (256 addresses)
  • 200.23.35.0/24 (256 addresses)
  • 200.23.37.0/24 (256 addresses)
  • 200.23.39.0/24 (256 addresses)
  • 200.23.90.0/24 (256 addresses)
  • 200.23.217.0/24 (256 addresses)
  • 200.33.99.0/24 (256 addresses)

IPv6 Prefixes (2 349 total)

  • 2a0f:15c1::/32
  • 2a10:6c01::/32
  • 2001:1248:ac00::/38
  • 2001:1248:2200::/39
  • 2001:1248:3200::/39
  • 2001:1248:3600::/39
  • 2001:1248:4400::/39
  • 2001:1248:4a00::/39
  • 2001:1248:5600::/39
  • 2001:1248:5a00::/39
  • 2001:1248:5c00::/39
  • 2001:1248:8200::/39
  • 2001:1248:a600::/39
  • 2001:1248:aa00::/39
  • 2001:1248:b000::/39
  • 2001:1248:2100::/40
  • 2001:1248:2400::/40
  • 2001:1248:3000::/40
  • 2001:1248:3900::/40
  • 2001:1248:3a00::/40
  • 2001:1248:4000::/40
  • 2001:1248:4300::/40
  • 2001:1248:4600::/40
  • 2001:1248:4d00::/40
  • 2001:1248:4f00::/40
  • 2001:1248:5500::/40
  • 2001:1248:5900::/40
  • 2001:1248:5f00::/40
  • 2001:1248:8000::/40
  • 2001:1248:8400::/40
  • 2001:1248:8600::/40
  • 2001:1248:8900::/40
  • 2001:1248:9900::/40
  • 2001:1248:9a00::/40
  • 2001:1248:9c00::/40
  • 2001:1248:9f00::/40
  • 2001:1248:a500::/40
  • 2001:1248:a900::/40
  • 2001:1248:b200::/40
  • 2001:1248:c200::/40
  • 2001:1248:2600::/41
  • 2001:1248:3100::/41
  • 2001:1248:3b00::/41
  • 2001:1248:8700::/41
  • 2001:1248:8800::/41
  • 2001:1248:8f00::/41
  • 2001:1248:9500::/41
  • 2001:1248:9600::/41
  • 2001:1248:9700::/41
  • 2001:1248:9b00::/41