$ query “AS33132” --type=asn → 1 result(s)

AS33132 · CROWNCASTLE-AS33132

Crown Castle Fiber LLC

AS33132 is run by Crown Castle Fiber LLC and is a major transit provider, established in the United States in 2004. The system announces a solid 133 376 IPv4 addresses, including a /16, and supports IPv6. The bulk of its IP address space is in the United States, with additional presence in Guyana.

  • Top 5% — Top 5% of all autonomous systems by reach and degree

Basic Information

Country
🇺🇸 United States
Category
Internet Service Provider
Network Role
Major Transit
Data Origin
Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
Registered
October 07, 2004
Last Changed
March 04, 2026
Last Seen
April 28, 2026 (active)

Prefix Summary

IPv4 Prefixes (raw / aggregated)
51 / 24
IPv6 Prefixes (raw / aggregated)
25 / 5
IPv4 Addresses
133 376
Largest IPv4 Prefix
/16 (65 536 addresses)
Largest IPv6 Prefix
/32
Geolocated Countries
🇺🇸 United States (149 248 IPs), 🇬🇾 Guyana (32 IPs)
Prefix Changed
March 24, 2026

Reputation

Reputation
Good — 1 flagged IPs out of 133 376 total (0.00%)

Connectivity Summary

Upstream Providers
1 upstream providing transit
Downstream Customers
98 downstreams buying transit
Unclassified
3 unclassified BGP neighbors
Degree
102 unique BGP neighbors
Reach
103 networks in customer cone

Upstream Providers (1)

Prefix Lists

IPv4 Prefixes (51 total)

  • 170.55.0.0/16 (65 536 addresses (/16 prefix))
  • 167.93.0.0/17 (32 768 addresses (/17 prefix))
  • 45.73.144.0/20 (4 096 addresses (/20 prefix))
  • 69.80.64.0/20 (4 096 addresses (/20 prefix))
  • 162.213.144.0/21 (2 048 addresses (/21 prefix))
  • 74.120.40.0/21 (2 048 addresses (/21 prefix))
  • 45.42.56.0/21 (2 048 addresses (/21 prefix))
  • 199.27.240.0/21 (2 048 addresses (/21 prefix))
  • 199.189.192.0/21 (2 048 addresses (/21 prefix))
  • 162.246.136.0/21 (2 048 addresses (/21 prefix))
  • 162.252.120.0/21 (2 048 addresses (/21 prefix))
  • 104.219.176.0/21 (2 048 addresses (/21 prefix))
  • 199.26.72.0/21 (2 048 addresses (/21 prefix))
  • 204.28.104.0/21 (2 048 addresses (/21 prefix))
  • 198.72.44.0/22 (1 024 addresses (/22 prefix))
  • 74.115.232.0/22 (1 024 addresses (/22 prefix))
  • 204.88.28.0/22 (1 024 addresses (/22 prefix))
  • 208.67.164.0/22 (1 024 addresses (/22 prefix))
  • 199.167.100.0/22 (1 024 addresses (/22 prefix))
  • 140.82.213.0/24 (256 addresses (/24 prefix))
  • 198.181.255.0/24 (256 addresses (/24 prefix))
  • 168.213.253.0/24 (256 addresses (/24 prefix))
  • 204.238.236.0/24 (256 addresses (/24 prefix))
  • 141.193.54.0/24 (256 addresses (/24 prefix))

IPv6 Prefixes (25 total)

  • 2604:200::/32
  • 2602:80f:b000::/40
  • 2604:1a00:59::/48
  • 2604:1a00:5d::/48
  • 2604:1a00:cc::/48