$ query “AS2152” --type=asn → 1 result(s)
AS2152 — CENIC-2152
CENIC
AS2152 is a major transit provider operated by CENIC, registered in the United States since 2024. The network announces an impressive 2.0 million IPv4 addresses, including a /15. Supports IPv6.
- 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
- March 04, 2026
Prefix Summary
- IPv4 Prefixes (raw / aggregated)
- 684 / 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
- 🇺🇸 US (112 IPs), 🇦🇺 AU (3 IPs)
- Prefix Changed
- March 04, 2026
Reputation
- Reputation
- Pristine — 0 flagged IPs out of 2 013 440 total (0.00%)
Connectivity Summary
- Upstream Providers
- 3 upstream autonomous systems providing transit
- Peers
- 69 autonomous systems exchanging traffic without transit fees
- Downstream Customers
- 87 downstream autonomous systems buying transit
- Degree
- 159 unique BGP neighbors (providers + customers + peers)
- Reach
- 192 — customer cone size measuring network influence
- Degree Rank
- #895
- Reach Rank
- #839
Upstream Providers (3)
Prefix Lists
IPv4 Prefixes (684 total)
- 137.150.0.0/15 (131 072 addresses)
- 198.188.0.0/15 (131 072 addresses)
- 205.154.0.0/15 (131 072 addresses)
- 130.65.0.0/16 (65 536 addresses)
- 130.150.0.0/16 (65 536 addresses)
- 130.157.0.0/16 (65 536 addresses)
- 130.166.0.0/16 (65 536 addresses)
- 130.182.0.0/16 (65 536 addresses)
- 130.191.0.0/16 (65 536 addresses)
- 130.212.0.0/16 (65 536 addresses)
- 132.241.0.0/16 (65 536 addresses)
- 134.139.0.0/16 (65 536 addresses)
- 134.154.0.0/16 (65 536 addresses)
- 136.168.0.0/16 (65 536 addresses)
- 137.145.0.0/16 (65 536 addresses)
- 137.164.0.0/16 (65 536 addresses)
- 139.182.0.0/16 (65 536 addresses)
- 144.37.0.0/16 (65 536 addresses)
- 146.244.0.0/16 (65 536 addresses)
- 147.144.0.0/16 (65 536 addresses)
- 155.135.0.0/16 (65 536 addresses)
- 160.227.0.0/16 (65 536 addresses)
- 165.196.0.0/16 (65 536 addresses)
- 204.102.0.0/16 (65 536 addresses)
- 207.62.0.0/16 (65 536 addresses)
- 209.129.0.0/16 (65 536 addresses)
- 207.233.0.0/17 (32 768 addresses)
- 209.188.128.0/17 (32 768 addresses)
- 206.224.224.0/19 (8 192 addresses)
- 64.39.112.0/20 (4 096 addresses)
- 165.74.16.0/20 (4 096 addresses)
- 76.78.96.0/21 (2 048 addresses)
- 205.132.248.0/21 (2 048 addresses)
- 146.74.92.0/22 (1 024 addresses)
- 204.75.252.0/22 (1 024 addresses)
- 206.15.224.0/22 (1 024 addresses)
- 206.15.236.0/22 (1 024 addresses)
- 206.78.236.0/22 (1 024 addresses)
- 207.163.100.0/22 (1 024 addresses)
- 207.163.112.0/22 (1 024 addresses)
- 207.166.0.0/22 (1 024 addresses)
- 69.48.214.0/23 (512 addresses)
- 76.78.124.0/23 (512 addresses)
- 163.150.244.0/23 (512 addresses)
- 192.174.2.0/23 (512 addresses)
- 192.189.46.0/23 (512 addresses)
- 198.202.144.0/23 (512 addresses)
- 204.48.132.0/23 (512 addresses)
- 204.69.4.0/23 (512 addresses)
- 204.75.250.0/23 (512 addresses)
IPv6 Prefixes (19 total)
- 2607:f380::/32