$ query “AS2153” --type=asn → 1 result(s)
AS2153 — CENIC-2153
CENIC
AS2153 is a mid-size transit provider run by CENIC, based in the United States since 2024. The network announces 3 584 IPv4 addresses. Supports IPv6.
- Top 5% — Top 5% of all autonomous systems by reach and degree
Basic Information
- Country
- 🇺🇸 United States
- Category
- Hosting
- Network Role
- Mid-size 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)
- 12 / 11
- IPv6 Prefixes (raw / aggregated)
- 2 / 2
- IPv4 Addresses
- 3 584
- Largest IPv4 Prefix
- /23 (512 addresses)
- Largest IPv6 Prefix
- /40
- Geolocated Countries
- 🇺🇸 US (11 IPs)
- Prefix Changed
- March 04, 2026
Reputation
- Reputation
- Pristine — 0 flagged IPs out of 3 584 total (0.00%)
Connectivity Summary
- Upstream Providers
- 2 upstream autonomous systems providing transit
- Peers
- 13 autonomous systems exchanging traffic without transit fees
- Downstream Customers
- 26 downstream autonomous systems buying transit
- Degree
- 42 unique BGP neighbors (providers + customers + peers)
- Reach
- 129 — customer cone size measuring network influence
- Degree Rank
- #3 424
- Reach Rank
- #961
Upstream Providers (2)
Prefix Lists
IPv4 Prefixes (12 total)
- 130.150.12.0/23 (512 addresses)
- 137.164.26.0/23 (512 addresses)
- 209.129.60.0/23 (512 addresses)
- 132.241.61.0/24 (256 addresses)
- 136.168.237.0/24 (256 addresses)
- 136.168.238.0/24 (256 addresses)
- 137.150.137.0/24 (256 addresses)
- 137.164.17.0/24 (256 addresses)
- 137.164.25.0/24 (256 addresses)
- 137.164.28.0/24 (256 addresses)
- 205.154.51.0/24 (256 addresses)
IPv6 Prefixes (2 total)
- 2001:468:e00::/40
- 2607:f380:4::/48