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

AS2152 · CENIC-2152

CENIC

AS2152 is run by CENIC and is a major transit provider, registered 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. This AS has recently updated its prefix announcements.

  • 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
October 23, 2026 (active)

Prefix Summary

IPv4 Prefixes (raw / aggregated)
736 / 100
IPv6 Prefixes (raw / aggregated)
23 / 1
IPv4 Addresses
2 012 160
Largest IPv4 Prefix
/15 (131 072 addresses)
Largest IPv6 Prefix
/32
Geolocated Countries
🇺🇸 United States (2 012 160 IPs)
Prefix Changed
October 22, 2026

Reputation

Reputation
Pristine — 0 flagged IPs

Connectivity Summary

Upstream Providers
3 upstreams providing transit
Peers
58 networks exchanging traffic without transit
Downstream Customers
89 downstreams buying transit
Unclassified
1 unclassified BGP neighbor
Degree
151 unique BGP neighbors
Reach
156 networks in customer cone

Upstream Providers (3)

Prefix Lists

IPv4 Prefixes (736 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))
  • 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))
  • 137.145.0.0/16 (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))
  • 144.37.0.0/16 (65 536 addresses (/16 prefix))
  • 146.244.0.0/16 (65 536 addresses (/16 prefix))
  • 147.144.0.0/16 (65 536 addresses (/16 prefix))
  • 155.135.0.0/16 (65 536 addresses (/16 prefix))
  • 160.227.0.0/16 (65 536 addresses (/16 prefix))
  • 165.196.0.0/16 (65 536 addresses (/16 prefix))
  • 204.102.0.0/16 (65 536 addresses (/16 prefix))
  • 207.62.0.0/16 (65 536 addresses (/16 prefix))
  • 209.129.0.0/16 (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))
  • 64.39.112.0/20 (4 096 addresses (/20 prefix))
  • 165.74.16.0/20 (4 096 addresses (/20 prefix))
  • 76.78.96.0/21 (2 048 addresses (/21 prefix))
  • 146.74.92.0/22 (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))
  • 206.15.236.0/22 (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))
  • 207.163.112.0/22 (1 024 addresses (/22 prefix))
  • 207.166.0.0/22 (1 024 addresses (/22 prefix))
  • 69.48.214.0/23 (512 addresses (/23 prefix))
  • 76.78.124.0/23 (512 addresses (/23 prefix))
  • 130.86.2.0/23 (512 addresses (/23 prefix))
  • 163.150.244.0/23 (512 addresses (/23 prefix))
  • 192.174.2.0/23 (512 addresses (/23 prefix))
  • 192.189.46.0/23 (512 addresses (/23 prefix))
  • 198.202.144.0/23 (512 addresses (/23 prefix))
  • 204.48.132.0/23 (512 addresses (/23 prefix))
  • 204.69.4.0/23 (512 addresses (/23 prefix))
  • 204.75.250.0/23 (512 addresses (/23 prefix))

IPv6 Prefixes (23 total)

  • 2607:f380::/32