$ query “AS2152” --type=asn → 1 result(s)

AS2152 · CENIC-2152

CENIC

AS2152 is operated by CENIC and serves as a major transit provider, based in the United States since 2024. The system announces an impressive 2.0 million IPv4 addresses, including a /15, and supports IPv6. Its primary geographic footprint is in the United States, with additional presence in Australia. Prefix announcements for this AS were recently updated.

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

Basic Information

Country
🇺🇸 United States
Category
Hosting
Network Role
Major Transit
Data Origin
Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
Registered
July 08, 2024
Last Changed
March 04, 2026
Last Seen
April 28, 2026 (active)

Prefix Summary

IPv4 Prefixes (raw / aggregated)
693 / 99
IPv6 Prefixes (raw / aggregated)
19 / 1
IPv4 Addresses
2 013 440
Largest IPv4 Prefix
/15 (131 072 addresses)
Largest IPv6 Prefix
/32
Geolocated Countries
🇺🇸 United States (3 094 784 IPs), 🇦🇺 Australia (768 IPs)
Prefix Changed
April 25, 2026

Reputation

Reputation
Pristine — 0 flagged IPs

Connectivity Summary

Upstream Providers
4 upstreams providing transit
Peers
59 networks exchanging traffic without transit
Downstream Customers
87 downstreams buying transit
Degree
150 unique BGP neighbors
Reach
198 networks in customer cone

Upstream Providers (4)

Prefix Lists

IPv4 Prefixes (693 total)

  • 137.150.0.0/15 (131 072 addresses (/15 prefix))
  • 198.188.0.0/15 (131 072 addresses (/15 prefix))
  • 205.154.0.0/15 (131 072 addresses (/15 prefix))
  • 160.227.0.0/16 (65 536 addresses (/16 prefix))
  • 137.145.0.0/16 (65 536 addresses (/16 prefix))
  • 204.102.0.0/16 (65 536 addresses (/16 prefix))
  • 130.65.0.0/16 (65 536 addresses (/16 prefix))
  • 130.150.0.0/16 (65 536 addresses (/16 prefix))
  • 130.157.0.0/16 (65 536 addresses (/16 prefix))
  • 130.166.0.0/16 (65 536 addresses (/16 prefix))
  • 130.182.0.0/16 (65 536 addresses (/16 prefix))
  • 130.191.0.0/16 (65 536 addresses (/16 prefix))
  • 130.212.0.0/16 (65 536 addresses (/16 prefix))
  • 132.241.0.0/16 (65 536 addresses (/16 prefix))
  • 134.139.0.0/16 (65 536 addresses (/16 prefix))
  • 134.154.0.0/16 (65 536 addresses (/16 prefix))
  • 136.168.0.0/16 (65 536 addresses (/16 prefix))
  • 209.129.0.0/16 (65 536 addresses (/16 prefix))
  • 207.62.0.0/16 (65 536 addresses (/16 prefix))
  • 165.196.0.0/16 (65 536 addresses (/16 prefix))
  • 137.164.0.0/16 (65 536 addresses (/16 prefix))
  • 139.182.0.0/16 (65 536 addresses (/16 prefix))
  • 155.135.0.0/16 (65 536 addresses (/16 prefix))
  • 144.37.0.0/16 (65 536 addresses (/16 prefix))
  • 147.144.0.0/16 (65 536 addresses (/16 prefix))
  • 146.244.0.0/16 (65 536 addresses (/16 prefix))
  • 207.233.0.0/17 (32 768 addresses (/17 prefix))
  • 209.188.128.0/17 (32 768 addresses (/17 prefix))
  • 206.224.224.0/19 (8 192 addresses (/19 prefix))
  • 165.74.16.0/20 (4 096 addresses (/20 prefix))
  • 64.39.112.0/20 (4 096 addresses (/20 prefix))
  • 76.78.96.0/21 (2 048 addresses (/21 prefix))
  • 205.132.248.0/21 (2 048 addresses (/21 prefix))
  • 146.74.92.0/22 (1 024 addresses (/22 prefix))
  • 206.15.236.0/22 (1 024 addresses (/22 prefix))
  • 204.75.252.0/22 (1 024 addresses (/22 prefix))
  • 206.15.224.0/22 (1 024 addresses (/22 prefix))
  • 207.163.112.0/22 (1 024 addresses (/22 prefix))
  • 206.78.236.0/22 (1 024 addresses (/22 prefix))
  • 207.163.100.0/22 (1 024 addresses (/22 prefix))
  • 207.166.0.0/22 (1 024 addresses (/22 prefix))
  • 163.150.244.0/23 (512 addresses (/23 prefix))
  • 192.189.46.0/23 (512 addresses (/23 prefix))
  • 206.15.254.0/23 (512 addresses (/23 prefix))
  • 207.163.104.0/23 (512 addresses (/23 prefix))
  • 206.15.228.0/23 (512 addresses (/23 prefix))
  • 192.174.2.0/23 (512 addresses (/23 prefix))
  • 198.202.144.0/23 (512 addresses (/23 prefix))
  • 204.69.4.0/23 (512 addresses (/23 prefix))
  • 69.48.214.0/23 (512 addresses (/23 prefix))
  • and 49 more

IPv6 Prefixes (19 total)

  • 2607:f380::/32